Vertical Cement Grinding Mill manufactured by China ZK Corp, for example double-swing type, underground type and step-started type jaw crusher, cone crusher, rotary crusher, single - section hammer crusher, tube coil grinding mill, grid type ball mill, bucket elevators, plate type, dissepiment and vibration feeder, screw sand mixer and heavy duty soil spreader for open-pit coal mining, are widely used for the industries of metallurgy, building construction, road construction, and chemical industry as well as silicate industry. China zhengkuang has provided various kinds of large and medium size complete sets of cement production equipments for more than 300 cement customers in domestic market. And engineering for equipment and technology, manufacturing, installation and commissioning as well as the supply of the spare parts and the training service can be offered by China ZK for customers. The gantry crane, the overhead traveling crane, tower crane, hoists, and other various kinds of crane equipment which have been designed and manufactured by China zhengkuang are widely used in the fields of handling of sluice gate for the hydro-power station, loading and unloading vehicle, outdoor handling and handling of the heavy duty components. China ZK has supplied large amount of super-high quality products for national water conservancy projects, the main Our products advantages: 1. High grinding efficiency and low power consumption. 2. Low metal consumption in unit product. 3.Bed grinding with low noise. 4. Negative pressure and low dust pollution. 5.Small floor space, compact layout, system equipment with light weight and low investment for civil construction. Structure of Vertical Cement Grinding Mill: 1. Separating efficiency increased by combined separator. 2. No need to prepare material on the disc before start up, the function including auto lift and fall roller, and on-load staring can be achieved. 3. The sealing adopt welding arc panel, structure is simple and reliable with good sealing effect. 4. The grinding roller can be turn out from the mill easily by the roller turning device, and convenient for maintenance.
P Series Scraper Rock Loader Keyword: scraper loader, scraper bucket loader, scraper rock loader Introduction of P Series Scraper Rock Loader P series rake bucket rocker used in a variety of metal ore, nonmetallic ore, coal mine, railway culverts, water conservancy and other construction projects, can work at the roadway with a tub or skip to rock. It can be used not only in the alley, but also in the inclined angle of less than 30 degrees of the inclined road or turn angle and turn angle of 90 degrees in the use of roadway, also at the same time the parallel operation of the tunneling work to improve the tunneling speed. Electrical equipment with explosion-proof performance, can be used for coal dust and gas in the mine. P-type rake bucket rock loader of the basic parameters: P-15B rake bucket rock loader used in high more than 2 meters (4.5 cross - section) of the roadway. P-30B rake bucket rock loader used in the net height of more than 2 meters (net cross-section above 6 square meters) of the roadway. P-60B rake bucket rock loader used in the net height of more than 2.4 meters (net section above 8 square meters) of the roadway. P-90B rake bucket rock loader used in the net height of more than 3 meters (net cross-section above 12 square meters) of the roadway. P-120B rake bucket rock loader used in the net height of more than 3 meters (net cross-section above 16 square meters) of the roadway. Technical Parameters of P Series Scraper Rock Loader Model P15B (A) P30B(A) P60B P90B P120B P150B scraper bucket volume (m3)0.15 0.3 0.6 0.9 1.2 1.5 Production Capacity (m3/h 15-25 35-5070-10095-140120-180150-220 Rail Gauge (mm) 600 600/900600/900600/900600/900/15001500 Wire rope pulling force (KN)7.2-10.412.3-18.520-2831-5037-5552-72
Ber tester Tl3000evr series code error tester is a handheld meter testing and analyzing error code performance of digital channels. It features complete functions and simple operation. Its main function is to test and analyze error codes of asynchronous rs232, synchronous rs232, synchronous v.35, synchronous ttl level, transparent/framing e1 and e2 interfaces. The interface rates are customizable. In addition, it also possesses the functions of a digital frequency meter and can measure the frequency of input digital signals. It is characterized by low power consumption and large-scale ic design, chinese lcd, high-efficient power management and handheld meter structure, has complete functions and friendly interface and is slim, elegant and portable. It is an ideal measuring tool for modern communication engineers and particularly suitable for engineering technicians who are on a business trip or are engaged in field operation. With complete interface types and rates and perfect functions, the meter meets the requirements of tests of various kinds of digital channels; With small volume and high portability, the meter is suitable for field test; With chargeable lithium battery and low power consumption design, the meter can work more than 4h with a fully charged lithium battery. With the test results and analysis of various performance indices, the meter can comprehensively reflect the quality of communication channels; With the function automatically recording test results, the meter enables testers to retrieve test results in any time; With chinese lcd and operating menu, the meter is operation friendly; The meter can measure the frequency and frequency deviation of receiving signals at an accuracy of 10ppm; With highly accurate real-time clock function; With online firmware updating function.
USB flash disk, wireless mouse, card speaker, alcohol tester.
Auto plotter, road estimator, canal section estimator (canse), mines module.GIS, GPS applications
china coal0001 P-15B Tunnel Scraper Loader Keyword: scraper loader, tunnel scraper loader Introduction of P-15B Tunnel Scraper Loader P-15B Tunnel Scraper Loader is widely used for small coal mines and mining area of roadway with MGC1.1 fixed box type mine car or skip loading rock, coal rock with suitable height greater than 1.9 meters, the net section is 4.5 meters above the roadway. P-15B Tunnel Scraper Loader also can be used in coal rock or rock roadway, which can be used for drift can also be used on the downhill driving face rock loading, such as adding a tail wheel two, can be carried out on rock tunneling processes between parallel operation in the corners of roadway. P-15B Tunnel Scraper Loader can be used not only in the drift, but also in the angle of less than 30 degrees inclined or turning and turning angle to 90 degrees in the roadway, and for the parallel operation of driving procedures, improve the driving speed. Structural Characteristics of P-15B Tunnel Scraper Loader P-15B Tunnel Scraper Loader has the characteristics of high production efficiency, simple structure, convenient operation and so on. Electrical equipment of P-15B type scraper loader (including motor), button switch, magnetic starter, lights can use flameproof type, can be used in the mine gas and dust in danger. P-15B Tunnel Scraper Loader is mainly composed of a fixed wedge and tail wheel, scraper bucket, transmission (including operating mechanism, trolley, winch), a guide wheel and a trough (feeding groove, groove, middle unload groove) main parts and electrical parts etc. Technical Parameters of P-15B Tunnel Scraper Loader ModelP15B scraper bucket volume (m³)0.15 Production Capacity (m³/h)15-25 Rail Gauge (mm)600 Wire rope pulling force (KN)7.2-10.4 Wire Rope Diameter (mm)12.5 MotorPower (kw)YBB11-4 11KW voltage (V)380/660 Overall size (mm)Length5500 Width1170 Height1800 Weight (kg)2500
china coal 0001 U-channel Tunnel Steel Support Keywords: U-channel Steel Support, Tunnel Steel Support, Steel Support For Sale Introduction of U-channel Steel Support For Coal Mine U channel steel support cross section is shaped like the letter "U" in English. National production of u-shape cross-section shape, geometric parameters and material is different, at present China''''s production of u-shape model mainly include stepping, U25, U29, U36 these four. The stepping and U25 waist position; U29, U36 belongs to the ear. Stepping up the carrying capacity is very low, now rarely production. U channel steel support with high initial supporting force, supporting intensity big, easy to install and is not easy to deformation, so often used in the manufacture of roadway yielding metal stents, mine, mine roadway secondary supporting of roadway, and mountain tunnel support support purposes Use, effectively reduce the roof caving u-shape set, help such as accidents, safe and reliable, and enhances the stability of the mine ventilation system. Choose u-shape flexible support, better solved the difficult problem of the excavation support Structure of U-channel Steel Support For Coal Mine 1.Top Beam Top beam is circular arch, its amount depending on the cross section of roadway with different sizes, support force, transportation conditions, section 1 and section number. 2.Column leg There are three kinds of back leg , one kind is upside for circular arc form, for straight line at the bottom; The second is all for the curved shape, and only one radius of curvature; The third is all for the curved shape, but there are two curvature radius. Back leg in welding under the base, the base of large plate on the hard and soft; 3.Connection parts Fitting is a support section and internode card device, can the internode connection effect, can also be connected the two compression steel joint parts, provide pre-tightening force, make the u-shape between friction, thereby ensuring that the arch has a certain resistance and certain drop-off. 4.Rod between support Rod between support is to enhance the relative stability, the support bracket from longitudinal connection, form a whole. 5.Back-up material Back-up material is u-shaped steel support between supports and surrounding rock filling material, improve the stress of the support, to improve the bearing capacity and maintain the stability of surrounding rock. Characteristic of U-channel Steel Support For Coal Mine 1,Stand high pressure , support long time, easy to installation and not easy to be out of shape 2,compared with other rigid support , U-shaped steel support has a scalable and reliable carrying capacity to adapt to load and deformation of soft rock. 3,U-shaped steel support bracket support cross back high utilization convenient small amount of maintenance. 4,U3 steel support recycling reuse rate, reduce prop use, very obvious envir
china coal0001 U-channel Tunnel Steel Support Keywords: U-channel Steel Support, Tunnel Steel Support, Steel Support For Sale Introduction of U-channel Steel Support For Coal Mine U channel steel support cross section is shaped like the letter "U" in English. National production of u-shape cross-section shape, geometric parameters and material is different, at present China''''s production of u-shape model mainly include stepping, U25, U29, U36 these four. The stepping and U25 waist position; U29, U36 belongs to the ear. Stepping up the carrying capacity is very low, now rarely production. U channel steel support with high initial supporting force, supporting intensity big, easy to install and is not easy to deformation, so often used in the manufacture of roadway yielding metal stents, mine, mine roadway secondary supporting of roadway, and mountain tunnel support support purposes Use, effectively reduce the roof caving u-shape set, help such as accidents, safe and reliable, and enhances the stability of the mine ventilation system. Choose u-shape flexible support, better solved the difficult problem of the excavation support Structure of U-channel Steel Support For Coal Mine 3.Connection parts Fitting is a support section and internode card device, can the internode connection effect, can also be connected the two compression steel joint parts, provide pre-tightening force, make the u-shape between friction, thereby ensuring that the arch has a certain resistance and certain drop-off. 4.Rod between support Rod between support is to enhance the relative stability, the support bracket from longitudinal connection, form a whole. 5.Back-up material Back-up material is u-shaped steel support between supports and surrounding rock filling material, the purpose is to make contact with the surrounding rock u-shape set close together, improve the stress of the support, to improve the bearing capacity and maintain the stability of surrounding rock. Characteristic of U-channel Steel Support For Coal Mine 1,Stand high pressure , support long time, easy to installation and not easy to be out of shape 2,compared with other rigid support , U-shaped steel support has a scalable and reliable carrying capacity to adapt to load and deformation of soft rock. 3,U-shaped steel support bracket support cross back high utilization convenient small amount of maintenance. 4,U3 steel support recycling reuse rate, reduce prop use, very obvious environmental benefits.
6.China Coal Mine Shed Support Keywordsï¼?Tunnel Steel Support Price, Support Beam For Sale, Mine Shed Support Introduction of China Coal Mine Shed Support Our shed steel support is in high quality , Material 20 K, the advantages of using this material is shed stand high carrying capacity, the pressure to accept large support for a long time, not easy to deformation, wear and corrosion Our company can provide U-shaped steel support according with the customersâ?? requirements with the drawings or send our technicians to go to measure on site and recommend the most appropriate fit the dimensions of the roadway. U-shaped steel support consists of: three sections of four U-shaped steel side shelf parts corner plate part . U-shaped steel support Materialï¼?20MnK Parameter of China Coal Mine Shed Support Specification:U25,U29,U36Assembly:Topbeam,twolandinglegs,fourclamps, twobaseplates Material:20MnKQ275Webwidth:50mm-320mm Webthickness:4.5mm-9.5mmFlangewidth:37mm-88mm Standard:GBJISASTMLength:6/9/12m
Shotcrete machine, is a new type and high efficiency spraying machinery, mainly suitable for the section concrete spraying operation of section. It has reasonable structure, humanized design, reliable performance, convenient operation and maintenance, and long service life. Dust-free, low noise and low resilient rate when working. The working principle of spraying machineï¼? The equipment uses a rotor pump to deliver the concrete to the nozzle through the pipeline, and the concrete is sprayed to the wall of the sprayed tunnel by the compressed air along with the accelerator agent. Application: 1.Widely used in engineering construction, mines, tunnels, culverts, subway, hydropower projects, underground projects and coal bog mine roadway shotcrete construction operations. 2.Spray molding or repair of refractory materials for all kinds of industrial furnaces and kilns and lining. 3.Soil transportation and spraying during all kinds of slope protection and greening construction. 4.This machine can be used for wet spraying, dry spraying and all kinds of fiber spraying.
Wireless camera, borescope, surveillance camera, camcorder, digital video recording, multimeter, clamp meter, infrared body thermometer, breath alcohol tester, analyzer, wind speed, temperature, humidity, lux, sound level, tester.
P120B Mining Scraper Rock Loader Keyword: scraper loader, mining scraper loader, scraper rock loader Operating Principle of P 120B Mining Scraper Rock Loader P 120B Mining Scraper Rock Loader is used in mine rock loader, with 1.1 m³ tub or skip loading operation, and has the character of high efficiency, simple structure, good reliability and wide application. And in inclined roadway (
.Topographic survey, detailed engineering survey, relocation survey, hydrographic survey, gps network control, 1st order leveling, road & river cross-section & alignment survey, bridgesite survey, parcellary mapping, cadastral survey, mining survey & construction survey. Our survey party are equipped the latest digital total station, dual & single frequency gps receivers and digital level
china coal0001 P60B Underground Coal Mine Scraper Bucket Rock Loader Keyword: scraper loader, underground scraper rock loader, scraper bucket rock loader, coal mine rock loader Application of P60B Underground Coal Mine Scraper Bucket Rock Loader P60B Underground Coal Mine Scraper Bucket Rock Loader is used in rock drivage, with 1.1 m tub or skip loading operation and has the character of high efficiency, simple structure, good reliability, and wide application. P60B Underground Coal Mine Scraper Bucket Rock Loader also can be used in inclined roadway (
DVR cards, DVR, NVR, XVR, cameras, AHD camera, HD CVI camera, IP camera, wireless cameras, IP camera, high-speed dome (PTZ) cameras, CCTV keyboard, CCTV tester.Life-long technical support, OEM / ODM
Compression Format Modified MJPEG Video Input / Output BNC 4-ch input / 1-ch output (Composite) Display Frame Rate NTSC: 120fps 4x30fps PAL: 100fps 4x25fps Recording Frame Rate NTSC: Max. 30fps 4x7.5fps PAL: Max. 25fps 4x6.25fps Specification: 1) Recording resolution: NTSC: 320x112, 640x224 PAL: 320x136, 640x272 2) HDD: Removable.supports up to 250GB HDD 3) Recording Time NTSC: 155 hours with 120GB HDD @ 15fps PAL: 194 hours with 120GB HDD @ 12fps 4) Recording Mode: Auto-record, Motion Detection, Manual, Schedule 5) USB: Optional 6) Power Adapter: DC 12V/5A 7) Dimension (LxWxH) 200mm x 132mm x 80mm 8) Gross weight:3.5kg ; Net weight:1.9kg Dimension (LxWxH) 200mm x 132mm x 80mm Gross weight:3.5kg ; Net weight:1.9kg
Signal system: PAL/NTSC Video input: 1.0V p-p/75Ohm, BNC, 4 channel /8channels / 16channels Video output: 1.0V p-p/75Ohm, BNC, 1 channel Audio input: -8Db 22kOhm, RCA, 4 channel / 8 channels /16 channels Audio output: -8Db 3kOhm, RCA, 1 channel Alarm input: Open circuit / close circuit alarm, photoelectrical isolation protection, 4/8/16 channels input Alarm output: Relay isolation node output, open circuit or close circuit optional, node capacity 250V/5A, 2 channels Network interface: 10/100M Base-T, Ethernet interface Resolution: Image: 704X576 1 channel, 352X576 2 channels, picture in picture, 2 pictures, or 1 picture, 352X288 4 channels, can be 1 picture or 4 pictures display Recording frames: 4 channels 100 fps /8 channels 200 fps /16 channels 400 fps HDD: 8 internal hard disks (maximum 250G) Power consumption: 150W Network functions: Backup, browse, and control thru LAN; Browse via IE; Backup speed faster than USB Connection to external hard disk: IDE port directly to external hard disk for backup, Pan lens control, remote operation, alarm signal, motion detection, VGA output(Selectable), etc. Operation mode: Remote control Operating temperature: -10Centigrade50Centigrade; Humidity
Product Feature: 1)New high strength aluminum-titanium alloy structure, effectively prevent deforming and keep surface bright 2)Newly-designed black shield inner cover, more concealing 3)Static remove dust, double deck ventilate hole constant temperature design, apply IP66 safety standard. 4)High quality step motor and belt, make it more reliable 5)Intelligent speed shift, 0.5/S-280/S smooth pan shift, 0.5Degree/S-180 Degree/S tilt shift, 180 auto flip, 360 continuous revolve. 6)128 preset points and 8 groups multiple cruise, every group 16 preset points. 7)programmable setting cruise speed between presets and presets stick time, 1-64 level cruise speed setting and 1-60 second preset stick time. 8)Color 18X, 22x, 27 X optics camera module. 9)proportional zooming, reduce pan/tile speed according to zooming level, ensure clear and balanced image, get the best picture. 10)Private zone masking, can freely set private zone masking, direct proportion enlarge or shrink to lens zooming level. 11)Inbuilt multiple protocol, allow any system. 12)Power-off information protect and inbuilt surge, lightning strike protection device. 13)Accessory function: Vandal-prevent device. Technical Index: 1)Level running: 360 continuous revolve, 180 auto flip. 2)Rotate speed: 0.5/s-280/s level shift, 0.5/s-280/s upright shift. 3)Presets point's quantity: 128pcs program speed and stick time. 4)Two points scan: Can set scan speed, stick time. 5)Cruising route: 8 groups multiple cruise, max to 16 preset points every group. 6)Manual menu: Osd menu 7)Private zone masking: Can set by yourself. 8)Proportional zooming: Six grades. 9)Auto-reset: Can set by you. 10)Baud rate: 1200/2400/4800/9600 optional. 11)Control protocol: Multi-protocols. 12)Power supply: 24vac 3a. 13)Temperature operation: -40--60
Technical Index: Video Compression: MPEG4 software compression Display and record resolution 320X240/352X288 1-4 channels video input 40f per card. Max 4 cards 1 channels audio input from sound card 1 channel analog switch output Max 2 channels audio input 120M/h-150M/h hard disk place Alarm control Use alarm box to make alarm function. RS232/RS485 Communication, max 255 channels alarm input/output. 8 channels input/output each alarm box. Automatic record when alarm is triggered. Can control automatic record time when alarm is triggered. Support channels alarm output, can connect to light, bell, etc. Alarm device. Support motion detection and alarm areas settable Automatic record when motion detection is triggered, then display the electronic map. P/T/Z control Support more than 50 kinds of decode protocol. Can add protocol for customer. Support speed dome, matrix controller. Remote control Can transmit the video and audio signal through LAN, ISDN, ADSL, DDN, etc. Support P/T/Z control through the network Support IE browsing. Built-in web server Replay video and audio signal through network Record and playback 2-8 channels real-time MPEG4 record Selectable schedule record, manual record, motion detection triggered record, alarm triggered record. Search files based on date, event, and channel. Diff speed F. FW and F. FB Support frame capture and electronic zoom in/out Support Electronic map and watermark System requirement OS: Windows 2000/XP CPU: P3 1G or higher Memory: At least 128M of RAM (256M required for 16 cameras) Hard disk: 80G Mother board: Based on Intel 815/845 chipset or higher. VGA card: ATI RAGE 128 or higher Windows Directx8.0 or above
All threadbar bolt(continuous thread rock bolt): All threadbar bolt is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever. 1.Features : (1) in the longitudinal direcition , rock body has equal tensile strength , that is about 40% higher than the reverse-twist bolt in the same specification . (2) extend the support area , not only be used by end anchoring , but also be used by fully anchoring , that has a better support efficiency .A (3)low price, widely used in coal mines, railways, hydropower and other types of roadway projects. Exporting standard package.
