CN110921527A - Colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device - Google Patents

Colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device Download PDF

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Publication number
CN110921527A
CN110921527A CN201911189321.XA CN201911189321A CN110921527A CN 110921527 A CN110921527 A CN 110921527A CN 201911189321 A CN201911189321 A CN 201911189321A CN 110921527 A CN110921527 A CN 110921527A
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China
Prior art keywords
hydraulic cylinder
hoisting
hydraulic
lifting
rotating shaft
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CN201911189321.XA
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Chinese (zh)
Inventor
李哲
吴显辉
张培龙
高月奎
白文信
秦岩
靳超
韩套轮
贺星铭
李明晔
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Zaozhuang Mining (group) Co Ltd Jiangzhuang Coal Mine
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Zaozhuang Mining (group) Co Ltd Jiangzhuang Coal Mine
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Priority to CN201911189321.XA priority Critical patent/CN110921527A/en
Publication of CN110921527A publication Critical patent/CN110921527A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/40—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with a single prime mover for both crane and vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/20—Control systems or devices for non-electric drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)

Abstract

本发明公开了一种煤矿井下短距离多用途起吊专用车装置，包括矿车底盘、设备放置架、起吊臂、转轴、支撑腿液压缸、起吊液压缸、两组轮对、两个碰头、完整底盘、槽钢、过渡架体、钢板、连接板、底座，设备放置架安装有液压站、磁力启动器，液压站使用电缆线与磁力启动器连接，行走马达与液压站的管件连接安装，过渡架体的四角安装有支撑腿液压缸，起吊液压缸两端分别连接起吊臂、转轴，起吊液压缸支撑起吊臂，磁力启动器将电能通过液压站转换成液压能，液压能通过高压油管进入各功能电磁换向阀，操作电磁换向阀控制液压缸和马达，从而实现行走、起吊和稳定支撑功能，通过转动起吊臂，实现大角度范围的物料转移。

Figure 201911189321

The invention discloses a special vehicle device for short-distance multi-purpose hoisting in a coal mine, which comprises a mining truck chassis, an equipment placing rack, a hoisting arm, a rotating shaft, a hydraulic cylinder for supporting legs, a hoisting hydraulic cylinder, two sets of wheel sets, two bumpers, and a complete Chassis, channel steel, transition frame body, steel plate, connecting plate, base, the equipment placement rack is equipped with hydraulic station and magnetic starter, the hydraulic station is connected with the magnetic starter by cable, and the travel motor is connected with the pipe fittings of the hydraulic station. The four corners of the frame are equipped with supporting leg hydraulic cylinders. The two ends of the lifting hydraulic cylinder are respectively connected to the lifting arm and the rotating shaft. The lifting hydraulic cylinder supports the lifting arm. The magnetic starter converts the electrical energy into hydraulic energy through the hydraulic station. Function Electromagnetic reversing valve, operate the electromagnetic reversing valve to control the hydraulic cylinder and motor, so as to realize the functions of walking, lifting and stable support, and realize the material transfer in a wide angle range by rotating the hoisting arm.

Figure 201911189321

Description

Colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device
Technical Field
The invention relates to the field of coal mine equipment, in particular to a short-distance multipurpose special lifting vehicle device for a coal mine.
Background
With continuous innovation and rapid development of scientific technology, the underground production environment and appearance of a coal mine are continuously improved, the mechanization, informatization and intelligentization degrees are gradually improved, the operation environment and the production condition of workers are greatly improved, but the coal mine is used as a high-risk and special industry, the operation mode of the workers is limited by the environment condition and is difficult to change fundamentally, and coal mine workers have to engage in heavy physical labor for a long time.
At present, the main underground transportation mode of the coal mine is still rail transportation, the backward modes of manual transportation and hand shoulder carrying are still generally adopted in the operation processes of material transportation, material loading and unloading, equipment installation and removal and the like, for heavier materials, hoisting operation is carried out by beating a rooting hoisting point, using a steel wire rope buckle, a chain block and the like, so that the material loading and unloading efficiency is low, the working period is long, the labor intensity of workers is high, and the safety risk is high.
In the underground coal mine, materials are generally stored in a centralized manner in a roadway transfer stock ground and a mining area temporary stock ground, the roadway transfer stock ground is fixed in position, a pneumatic hoist or a travelling crane can be mounted for auxiliary loading and unloading, the mining area temporary stock ground is limited by the roadway conditions of a mining area and is installed and removed on the face of a mining head, the place and the position can be changed frequently, the pneumatic hoist can be mounted and removed, labor and time are consumed, and at the moment, a special vehicle device capable of loading and unloading the materials in a short distance in the limited space of the mining area stock ground is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a short-distance multipurpose special lifting vehicle device for a coal mine. In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device, including the mine car chassis, the equipment rack, the hydraulic pressure station, magnetic starter, the walking motor, the davit rises, the apparatus further comprises a rotating shaft, the supporting leg pneumatic cylinder, lift by crane the pneumatic cylinder, two sets of wheel pairs, two meet the head, complete chassis, the channel-section steel, the transition support body, the steel sheet, the connecting plate, the base, the hydraulic pressure station is installed to the equipment rack, magnetic starter, the hydraulic pressure station uses the cable conductor to be connected with magnetic starter, the pipe connection installation of walking motor and hydraulic pressure station, the supporting leg pneumatic cylinder is installed in the four corners of transition support body, the.
Preferably, the walking motor drives the wheel disc to rotate through a flat key, the wheel disc transmits rotating force to the two groups of wheel pairs through 3M 16 bolts, the two groups of wheel pairs push the device to walk after rotating, and the device can be controlled to move forwards or backwards by controlling a reversing valve on the hydraulic station.
Preferably, the maximum oil pressure of the hydraulic station can reach 14MPa, and the energy-saving explosion-proof motor with rated power of 4kW and YB3 for mining is matched; 100L of oil tank, size (655 mm X490 mm X400 mm); the model number of the reversing valve is 03-3C6, and the total number is 6; the overflow valve is YF-B10H 4; valve block 03-DB 10-1; the model of the high-pressure oil pipe is RB2-10mm WP53MPa, and joints are pressed at two ends; meanwhile, the device is provided with a one-way valve, a shock-proof pressure gauge, an oil absorption filter, a liquid level liquid thermometer and an air filter.
Preferably, three position pin hole sleeves are welded on the connecting plate of the rotating shaft and the base, and when the position needs to be kept, bolt pins penetrate through the pin holes to fix the relative positions of the rotating shaft and the base, so that the lifting arm can be kept still during the lifting and lowering process of materials.
Preferably, the walking motor, the rotating shaft, the supporting leg hydraulic cylinder and the hanging hydraulic cylinder are respectively and independently connected with an electromagnetic directional valve, a hydraulic cylinder and a motor, and the walking motor, the rotating shaft, the supporting leg hydraulic cylinder and the hanging hydraulic cylinder are connected with the hydraulic station through high-pressure oil pipes.
Compared with the prior art, the invention has the following advantages: the utility model provides a colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device, magnetic starter converts the electric energy to hydraulic pressure energy through hydraulic pressure station, and hydraulic pressure energy gets into each function electromagnetic directional valve through high pressure fuel pipe, operates electromagnetic directional valve control pneumatic cylinder and motor to realize walking, lift by crane and stable supporting function, through rotating the davit, realize the material of big angular range and shift.
Drawings
FIG. 1 is a front view of the special short-distance multipurpose hoisting vehicle device for underground coal mine.
FIG. 2 is a side view of the special short-distance multipurpose hoisting vehicle device for underground coal mine.
FIG. 3 is a hydraulic schematic diagram of the device for short-distance multipurpose special lifting vehicle under coal mine.
Fig. 4 is a schematic view of the installation structure of the walking motor of the present invention.
Fig. 5 is a schematic structural diagram of the wheel disc of the present invention.
FIG. 6 is a schematic view of the installation structure of the lifting arm, the rotating shaft and the base of the present invention.
In the figure: 1. mine car chassis, 2, equipment rack, 3, hydraulic pressure station, 4, magnetic starter, 5, walking motor, 6, the davit that rises, 7, pivot, 8, supporting leg pneumatic cylinder, 9, lift by crane the pneumatic cylinder, 10, two sets of wheel pairs, 11, two meet the head, 12, complete chassis, 13, to the rim plate, 14, channel-section steel, 15, transition support body, 16, steel sheet, 17, connecting plate, 18, base.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in figures 1, 2, 3, 4, 5 and 6, the device for the multipurpose hoisting special vehicle for the short distance under the coal mine comprises a mine car chassis 1, equipment placing frames 2, a hydraulic station 3, a magnetic starter 4, a traveling motor 5, a hoisting arm 6, a rotating shaft 7, a supporting leg hydraulic cylinder 8, a hoisting hydraulic cylinder 9, two sets of wheel sets 10, two collision heads 11, a complete chassis 12, a channel steel 14, a transition frame body 15, a steel plate 16, a connecting plate 17 and a base 18, wherein the equipment placing frames 2 are fixedly connected with the mine car chassis 1 through bolts, the three equipment placing frames 2 are respectively and independently connected with the hydraulic station 3, the magnetic starter 4 and a tool box, the hydraulic station 3 is connected with the magnetic starter 4 by using cables, the magnetic starter 4 provides power for a motor of the hydraulic station, the mine car chassis 1 consists of the two sets of wheel sets 10, the two collision heads 11 and, a traveling motor 5 is connected and installed on a rotating shaft of a group of wheel sets 10, the traveling motor 5 is connected and installed with a pipe fitting of a hydraulic station 3, the traveling motor 5 converts hydraulic energy into rotary kinetic energy to push the two groups of wheel sets 10 to move back and forth, a transition frame body 15 made of channel steel 14 is welded on a complete chassis 12, four angular positions of the transition frame body 15 are connected and installed with supporting leg hydraulic cylinders 8 through bolts, the gravity center of a crane body is adjusted and stabilized through the lengths of mandrils of the four supporting leg hydraulic cylinders 8 fixed on the chassis in a lifting mode, so that the condition of safely lifting heavy objects is met, a base 18 is welded on the transition frame body 15, a rotating shaft 7 is embedded in a base of the base 18 through rolling shafts, a connecting plate 17 is sleeved at the bottom of a rod body of the rotating shaft 7, one end of a rod body, The rotating shaft 7 and the lifting hydraulic cylinder 9 support the lifting arm 6 to ensure stable lifting.
The walking motor 5 drives the counter wheel disc 13 to rotate through a flat key, the counter wheel disc 13 transmits rotating force to the two sets of wheel pairs 10 through 3M 16 bolts, the two sets of wheel pairs 10 push the device to walk after rotating, and the device can be controlled to move forwards or backwards by controlling a reversing valve on the hydraulic station 3.
The maximum oil pressure of the hydraulic station 3 can reach 14MPa, and an energy-saving explosion-proof motor with rated power of 4kW and YB3 for mining is matched; 100L of oil tank, the size is 655mm multiplied by 490mm multiplied by 400 mm; the model number of the reversing valve is 03-3C6, and the total number is 6; the overflow valve is YF-B10H 4; valve block 03-DB 10-1; the model of the high-pressure oil pipe is RB2-10mm WP53MPa, and joints are pressed at two ends; meanwhile, the device is provided with a one-way valve, a shock-proof pressure gauge, an oil absorption filter, a liquid level liquid thermometer and an air filter.
Three position pin hole sleeves are welded on the connecting plate 17 of the rotating shaft 7 and the base, and when the position needs to be kept, bolt pins penetrate through the pin holes to fix the relative positions of the rotating shaft 7 and the base, so that the lifting arm 6 can be kept still in the lifting and lowering processes of materials.
The traveling motor 5, the rotating shaft 7, the supporting leg hydraulic cylinder 8 and the hanging hydraulic cylinder 9 are respectively and independently connected with an electromagnetic directional valve, a hydraulic cylinder and a motor, and the rotating shaft 7 of the traveling motor 5, the supporting leg hydraulic cylinder 8 and the hanging hydraulic cylinder 9 are connected with the hydraulic station 3 through high-pressure oil pipes.
The working principle of the invention is as follows: the utility model provides a colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device, magnetic starter converts the electric energy to hydraulic pressure energy through hydraulic pressure station, and hydraulic pressure energy gets into each function electromagnetic directional valve through high pressure fuel pipe, operates electromagnetic directional valve control pneumatic cylinder and motor to realize walking, lift by crane and stable supporting function, through rotating the davit, realize the material of big angular range and shift.
After the hydraulic station normally works, hydraulic energy is transmitted to the walking motors fixed on two sides of one end of the chassis of the tonner car through the high-pressure oil pipes, the walking motors drive the wheel disks to rotate through the flat keys, the wheel pairs rotate to push the device to walk, and the device can be controlled to move forwards or backwards by controlling the reversing valves on the hydraulic station. In addition, 4 supporting cylinder reversing valves on the hydraulic station 3 can be controlled, and the gravity center of the crane body of the stabilizing crane is adjusted by lifting the lengths of the mandrils of the four supporting leg hydraulic cylinders 8 fixed on the chassis, so that the condition of safely lifting heavy objects is met.
After the hydraulic station normally works, a heavy object to be lifted is fixed on a hook at the front end of a lifting arm, a lifting reversing valve handle on the hydraulic station is operated, a lifting hydraulic cylinder connected with the lifting arm stretches out of an ejector rod under the action of hydraulic energy, the heavy object is lifted, after the heavy object reaches a certain height, the lifting reversing valve on the hydraulic station is driven to a stop gear position, the heavy object can be kept still at a certain height, then the heavy object is moved to the position above the position to be placed by rotating a rotating shaft, after a positioning pin on the rotating shaft is fixed, the lifting reversing valve handle on the hydraulic station is driven to a falling position, the lifting arm falls, the heavy object is placed downwards, and the operation is completed.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.

Claims (5)

1.一种煤矿井下短距离多用途起吊专用车装置，其特征在于，包括矿车底盘（1）、设备放置架（2）、液压站（3）、磁力启动器（4）、行走马达（5）、起吊臂（6）、转轴（7）、支撑腿液压缸（8）、起吊液压缸（9）、两组轮对（10）、两个碰头（11）、完整底盘（12）、槽钢（14）、过渡架体（15）、钢板（16）、连接板（17）、底座（18），设备放置架（2）与矿车底盘（1）通过螺栓连接固定，三个设备放置架（2）分别独立连接安装有液压站（3）、磁力启动器（4）和工具箱，液压站（3）使用电缆线与磁力启动器（4）连接，磁力启动器（4）为液压站电机提供电源，矿车底盘（1）由两组轮对（10）、两个碰头（11）和一个完整底盘（12）组成，一组轮对10转轴连接安装有行走马达（5），行走马达（5）与液压站（3）的管件连接安装，行走马达（5）将液压能转化为旋转动能推动两组轮对（10）前后运动，完整底盘（12）上面焊接由槽钢（14）做成的过渡架体（15），过渡架体（15）的四个角位置，使用螺栓连接安装有支撑腿液压缸（8），通过升降固定在底盘上的四个支撑腿液压缸（8）的顶杆长度来调整稳定吊车车身重心，从而满足安全起吊重物的条件，底座（18）焊接在过渡架体（15）上，转轴（7）通过滚动轴镶嵌在底座（18）的基座内，转轴（7）杆体底部套装有连接板（17），起吊臂（6）杆体一头钻孔，使用销轴与焊接在转轴（7）上的鱼嘴连接，起吊液压缸（9）两端分别连接起吊臂（6）、转轴（7），起吊液压缸（9）支撑起吊臂（6）保证吊装稳定。1. A special vehicle device for short-distance multi-purpose hoisting in a coal mine, characterized in that it comprises a mining truck chassis (1), an equipment placement rack (2), a hydraulic station (3), a magnetic starter (4), a traveling motor ( 5), lifting arm (6), rotating shaft (7), support leg hydraulic cylinder (8), lifting hydraulic cylinder (9), two sets of wheel sets (10), two bumpers (11), complete chassis (12), Channel steel (14), transition frame body (15), steel plate (16), connecting plate (17), base (18), equipment placement rack (2) and the mine car chassis (1) are fixed by bolts, three equipment The placing rack (2) is independently connected and installed with a hydraulic station (3), a magnetic starter (4) and a tool box. The hydraulic station (3) is connected with the magnetic starter (4) by a cable, and the magnetic starter (4) is The motor of the hydraulic station provides power. The mining truck chassis (1) consists of two sets of wheel sets (10), two bumpers (11) and a complete chassis (12). , the travel motor (5) is connected and installed with the pipe fittings of the hydraulic station (3), the travel motor (5) converts the hydraulic energy into rotational kinetic energy to push the two sets of wheel sets (10) to move back and forth, and the complete chassis (12) is welded with channel steel. (14) The transition frame body (15) is made. The four corner positions of the transition frame body (15) are connected with the support leg hydraulic cylinder (8) by bolts, and the four support legs hydraulically fixed on the chassis are lifted and lowered. The length of the ejector rod of the cylinder (8) is used to adjust and stabilize the center of gravity of the crane body, so as to meet the conditions for lifting heavy objects safely. ), a connecting plate (17) is set at the bottom of the shaft (7) rod body, one end of the rod body of the hoisting arm (6) is drilled, and a pin is used to connect with the fish mouth welded on the shaft (7), and the lifting hydraulic cylinder ( 9) The two ends are respectively connected to the hoisting arm (6) and the rotating shaft (7), and the hoisting hydraulic cylinder (9) supports the hoisting arm (6) to ensure stable hoisting. 2.根据权利要求1所述的一种煤矿井下短距离多用途起吊专用车装置，其特征在于，所述行走马达（5）通过平键带动对轮盘（13）转动，对轮盘（13）又通过3条M16的螺栓将旋转力传递给两组轮对（10），两组轮对（10）转动后，推动本发明装置行走，这时可通过控制液压站（3）上的换向阀，来控制本发明装置前进或后退。2 . The short-distance multi-purpose hoisting special vehicle device for underground coal mines according to claim 1 , wherein the traveling motor ( 5 ) drives the wheel disc ( 13 ) to rotate through a flat key, and the wheel disc ( 13 ) rotates. 3 . ) and transmit the rotational force to the two sets of wheel pairs (10) through three M16 bolts. After the two sets of wheel pairs (10) rotate, the device of the present invention is pushed to walk. To the valve, to control the device of the present invention to move forward or backward. 3.根据权利要求1所述的一种煤矿井下短距离多用途起吊专用车装置，其特征在于，所述液压站（3）最大油压可达14MPa，配用额定功率4kW、YB3矿用节能型隔爆电机；油箱100L，尺寸（655mm×490mm×400mm）；换向阀型号03-3C6，共6组；溢流阀型号YF-B10H4；阀块03-DB10-1；高压油管型号RB2-10mm WP53MPa，两端压制接头；同时配有单向阀、耐震压力表、吸油过滤器、液位液温计、空气滤清器。3. The short-distance multi-purpose hoisting special vehicle device for underground coal mines according to claim 1, characterized in that the hydraulic station (3) has a maximum oil pressure of up to 14MPa, and is equipped with a rated power of 4kW and a YB3 mining energy-saving device. Type explosion-proof motor; fuel tank 100L, size (655mm×490mm×400mm); reversing valve model 03-3C6, a total of 6 groups; relief valve model YF-B10H4; valve block 03-DB10-1; high pressure oil pipe model RB2- 10mm WP53MPa, press joints at both ends; also equipped with check valve, shock-resistant pressure gauge, oil suction filter, liquid level and temperature gauge, and air filter. 4.根据权利要求1所述的一种煤矿井下短距离多用途起吊专用车装置，其特征在于，所述在转轴（7）的连接板（17）和基座上焊接了三个位置销孔套，在需保持位置时，在销孔中穿上螺栓销，以固定转轴（7）和基座的相对位置，保证物料在起吊和下放的过程中起吊臂（6）能静止不动。4 . The short-distance multi-purpose hoisting special vehicle device for underground coal mines according to claim 1 , wherein three position pin holes are welded on the connecting plate ( 17 ) of the rotating shaft ( 7 ) and the base. 5 . When the position needs to be maintained, put a bolt pin in the pin hole to fix the relative position of the rotating shaft (7) and the base to ensure that the lifting arm (6) can stand still during the process of lifting and lowering the material. 5.根据权利要求1所述的一种煤矿井下短距离多用途起吊专用车装置，其特征在于，所述行走马达（5）、转轴（7）、支撑腿液压缸（8）和吊液压缸（9）分别独立连接安装有电磁换向阀、制液压缸和马达，行走马达（5）、转轴（7）、支撑腿液压缸（8）和吊液压缸（9）通过高压油管连接液压站（3）。5 . The short-distance multi-purpose hoisting special vehicle device for underground coal mines according to claim 1 , wherein the traveling motor ( 5 ), the rotating shaft ( 7 ), the supporting leg hydraulic cylinder ( 8 ) and the hoisting hydraulic cylinder (9) The electromagnetic reversing valve, the hydraulic cylinder and the motor are separately connected and installed. The traveling motor (5), the rotating shaft (7), the supporting leg hydraulic cylinder (8) and the lifting hydraulic cylinder (9) are connected to the hydraulic station through the high-pressure oil pipe. (3).
CN201911189321.XA 2019-11-28 2019-11-28 Colliery is short distance multipurpose in pit lifts by crane special-purpose vehicle device Pending CN110921527A (en)

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CN112659083A (en) * 2020-12-14 2021-04-16 山东湖西王集团铸业有限公司 Workshop station utensil frame
CN112659083B (en) * 2020-12-14 2023-03-21 山东湖西王集团铸业有限公司 Workshop station utensil frame
CN116752986A (en) * 2023-06-19 2023-09-15 中铁工程装备集团技术服务有限公司 A shuttle mine car with remote control loading and hoisting system and its construction method

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Application publication date: 20200327