CN218765723U - Pneumatic force measuring device for underground coal mine monorail crane - Google Patents
Pneumatic force measuring device for underground coal mine monorail crane Download PDFInfo
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- CN218765723U CN218765723U CN202221686629.2U CN202221686629U CN218765723U CN 218765723 U CN218765723 U CN 218765723U CN 202221686629 U CN202221686629 U CN 202221686629U CN 218765723 U CN218765723 U CN 218765723U
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- monorail crane
- track
- actuator
- single track
- coal mine
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Abstract
The utility model relates to a coal mine equipment technical field specifically is colliery is pneumatic measuring force device of monorail crane in pit, hang track and power supply device including the single track, power supply device is located the single track and hangs orbital below, it hangs to be provided with the single track that awaits measuring on the track to hang the track to the single track, the single track hangs and is provided with fixing device on the track, fixing device's one end is provided with the executor, the one end of executor is hung through round pin axle and the single track that awaits measuring and is articulated, fixedly connected with hose connector between executor and power supply device. The utility model discloses, the fixer must block on orbital welding hoisting point, moves the handle, makes the executor pull back, guides to hang the pulling to the single track, and the inner circle tension value of tensiometer on the record power supply is the brake force that the single track hung, need do the cubic and get the average value, and this scheme is effective to detect in the pit traction force and the brake force that the single track hung, in time knows that the single track hangs brake force and traction force whether reach the requirement.
Description
Technical Field
The utility model relates to a coal mine equipment technical field especially relates to pneumatic measuring force device of single track hanging under colliery.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open-pit coal mine, when a coal bed is far away from the ground surface, coal is generally selected to be excavated into an underground roadway, the mineworker coal mine is the coal mine, a monorail crane of the coal mine auxiliary transportation system is continuously developed at present, the monorail crane is an important device of the coal mine auxiliary transportation system in the future, but the monorail crane is only used underground after being qualified after factory inspection at present, the performance of traction force and braking force of a monorail is reduced due to the failure or damage of individual parts in the using process, and the like, but no corresponding detection device is provided for detecting the traction force and the braking force of the monorail crane underground in the domestic and foreign markets at present, the braking force and the traction force of the monorail crane can not meet the requirements after being used for a long time, so that great safety hidden dangers can be generated when the monorail crane is used, and the pneumatic force measuring device of the coal mine underground monorail crane is a special device for detecting the traction force and the underground monorail crane is specially designed for detecting the underground existing compressed air of the underground coal mine, and has no pollution and explosion-proof requirements and is clean. The design is simple, the use is convenient, the operation is simple and easy to learn, the popularization is not easy, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and having had not carried out corresponding check out test set in the pit to the traction force and the braking force that the single track hung in the current domestic and foreign market among the prior art yet, the single track hangs live time and has not known its braking force and traction force for a long time and whether can also reach the requirement, consequently can produce the shortcoming of very big potential safety hazard during the use, and the colliery that proposes hangs pneumatic force measuring device in the pit of single track.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the pneumatic force measuring device for the underground monorail crane of the coal mine comprises a monorail crane rail and a power source device, wherein the power source device is located below the monorail crane rail, a monorail crane to be measured is arranged on the monorail crane rail, a fixing device is arranged on the monorail crane rail, an actuator is arranged at one end of the fixing device, one end of the actuator is hinged with the monorail crane to be measured through a pin shaft, and a connecting hose connector is fixedly connected between the actuator and the power source device.
Preferably, the fixing device comprises a welding U-shaped frame, the welding U-shaped frame is sleeved on the monorail crane rail, bolt fixing holes are formed in the surface of the welding U-shaped frame, and fixing bolts are connected to the inner wall of the bolt fixing holes in a threaded mode.
Preferably, the inner wall of the welding U-shaped frame is fixedly connected with a connecting pin shaft, and the welding U-shaped frame is hinged with the actuator through the connecting pin shaft.
Preferably, the actuator comprises a first hose valve seat and a second hose valve seat, the first hose valve seat and the second hose valve seat are both connected with the actuator in an installing mode, a connecting and fixing long hole is formed in one side of the first hose valve seat, the connecting pin shaft is inserted into the connecting and fixing long hole, the fixing device is hinged to the actuator through the connecting pin shaft and the connecting and fixing long hole, when the traction force detection process of the monorail crane is performed, the actuator retracts to the shortest position, the operating handle is placed at the middle position, the monorail crane to be measured is started to pull the actuator backwards, the outer ring tension value of the tension meter on the power source is recorded, the traction force of the monorail crane is obtained, and the average value is obtained for three times.
Preferably, the inner wall of the actuator is connected with a stressed piston rod in a sliding mode, and a single-rail hanging circular hole is formed in the surface of the stressed piston rod and connected with the stressed piston rod.
Preferably, the power supply device includes the liquid reserve tank, the liquid reserve tank is located the orbital below of monorail crane, one side fixedly connected with energy memory of liquid reserve tank, the fixed surface of liquid reserve tank is connected with the control unit, the fixed surface of liquid reserve tank is connected with the display element, retrieves the flow after detecting the completion, must open the relief valve between energy memory and the oil tank and carry out the pressure release. The operating handle is moved forwards and backwards for several times after pressure relief. Ensure that there is no pressure behind which the hydraulic oil line can be removed and packed for the next use.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. in the utility model, the U-shaped welding frame can be fixed on a monorail crane rail by arranging the fixing bolt, the fixing long hole is connected by the matching of the connecting pin shaft, the actuator is arranged on the fixing device, the stressed piston rod on the actuator is connected with the monorail crane to be detected by the pin shaft, the power source device adopts the underground existing compressed air source as the power source, when the monorail crane runs, the reaction force is the oil pressure reverse thrust to obtain the reverse thrust, the traction force is the traction force of the monorail crane, the two functions of simultaneously detecting the braking force and the traction force are provided, and after the connection is finished, 0.54 percent of oil of the random belt is added into the power source oil tank; a clean source in the well is connected to an air inlet of a power source, an air source valve is opened, the power source starts to work, 0.54% of oil is injected into an energy storage device, when the oil pressure meter displays 10MPa, a handle can be operated to perform the stretching movement of an actuator, the braking force flow of a monorail crane is measured, the actuator is completely extended out, the monorail crane is backwards moved, the actuator and a fixing device are straightened, the fixing device is clamped on a welding hoisting point of a track, the handle is moved, the actuator is pulled backwards to guide the monorail crane to be pulled, the inner ring tension value of a tension meter on the power source is recorded, the braking force of the monorail crane is obtained, the average value is obtained for three times, the traction force and the braking force of the monorail crane are effectively detected in the well, and whether the braking force and the traction force of the monorail crane meet the requirements or not is timely known.
2. The utility model discloses in, when doing single track and hang traction force detection flow, withdraw into the shortest position with the executor, put operating handle at the intermediate position, start to be surveyed single track and hang, make its pulling executor backward, the outer lane pulling force value of tensiometer on the record power supply, the traction force that just single track hung need be done the cubic and get the average value, retrieves the flow after detecting the completion, must open the relief valve between accumulator and the oil tank and carry out the pressure release. The operating handle is moved forwards and backwards for several times after the pressure is relieved. Ensure that there is no pressure behind which the hydraulic oil line can be removed and packed for the next use.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the pneumatic force measuring device of the monorail crane under the coal mine of the present invention;
FIG. 2 is a schematic structural view of a fixing device in a pneumatic force measuring device of a monorail crane under a coal mine;
FIG. 3 is a schematic structural view of an actuator in the pneumatic force measuring device of the monorail crane under the coal mine of the present invention;
fig. 4 is the utility model provides a power supply unit's among pneumatic measuring force device of colliery underground monorail crane structural schematic diagram.
Illustration of the drawings:
1. a monorail crane track; 2. a fixing device; 21. welding the U-shaped frame; 22. a bolt fixing hole; 23. fixing the bolt; 24. connecting a pin shaft; 3. an actuator; 31. connecting and fixing the long hole; 32. a stressed piston rod; 33. connecting the monorail crane circular holes; 34. a first hose valve seat; 35. a second hose valve seat; 4. a connecting hose; 5. a gas source pipeline; 6. a monorail crane to be tested; 7. a power source device; 71. a liquid storage tank; 72. an energy storage device; 73. a display unit; 74. a control unit.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: the pneumatic force measuring device for the underground monorail crane of the coal mine comprises a monorail crane rail 1 and a power source device 7, wherein the power source device 7 is located below the monorail crane rail 1, a monorail crane 6 to be measured is arranged on the monorail crane rail 1, a fixing device 2 is arranged on the monorail crane rail 1, an actuator 3 is arranged at one end of the fixing device 2, one end of the actuator 3 is hinged with the monorail crane 6 to be measured through a pin shaft, and a connecting hose 4 is fixedly connected between the actuator 3 and the power source device 7.
In this embodiment: the fixing device 2 comprises a welding U-shaped frame 21, the welding U-shaped frame 21 is sleeved on the monorail crane rail 1, a bolt fixing hole 22 is formed in the surface of the welding U-shaped frame 21, and a fixing bolt 23 is connected to the inner wall of the bolt fixing hole 22 in a threaded mode.
Specifically, the inner wall of the welding U-shaped frame 21 is fixedly connected with a connecting pin 24, and the welding U-shaped frame 21 is hinged to the actuator 3 through the connecting pin 24.
In this embodiment: the actuator 3 comprises a first hose valve seat 34 and a second hose valve seat 35, the first hose valve seat 34 and the second hose valve seat 35 are both connected with the actuator 3 in an installing mode, a connection fixing long hole 31 is formed in one side of the first hose valve seat 34, a connection pin shaft 24 is inserted into the connection fixing long hole 31, the fixing device 2 is hinged to the actuator 3 through the connection pin shaft 24 and the connection fixing long hole 31, when the traction force detection flow of the monorail crane is carried out, the actuator 3 retracts to the shortest position, an operating handle is placed at the middle position, the monorail crane to be detected is started, the actuator 3 is pulled backwards, the outer ring tension value of a tension meter on a power source is recorded, the traction force of the monorail crane is convenient, and the average value is obtained for three times.
Specifically, the inner wall of the actuator 3 is slidably connected with a stressed piston rod 32, and a single-rail hanging circular hole 33 is formed in the surface of the stressed piston rod 32.
In this embodiment: the power source device 7 comprises a liquid storage tank 71, the liquid storage tank 71 is located below the monorail crane track 1, an energy storage device 72 is fixedly connected to one side of the liquid storage tank 71, a control unit 74 is fixedly connected to the surface of the liquid storage tank 71, a display unit 73 is fixedly connected to the surface of the liquid storage tank 71, the detection is completed and then a recycling process is carried out, and a pressure release valve between the energy storage device 72 and an oil tank is opened to release pressure. The operating handle is moved forwards and backwards for several times after pressure relief. Ensure that there is no pressure behind which the hydraulic oil line can be removed and packed for the next use.
The working principle is as follows: the welding U-shaped frame 21 can be fixed on the monorail crane track 1 by arranging the fixing bolt 23, the fixing long hole 31 is connected through the connecting pin shaft 24 in a matched mode, the actuator 3 is installed on the fixing device 2, the stressed piston rod 32 on the actuator 3 is connected with the monorail crane 6 to be detected through the pin shaft, the power source device 7 adopts the underground existing compressed air source as a power source, when the monorail crane runs, the counter-thrust pulling force is obtained through counter-thrust of oil pressure through the counter-acting force, the traction force is the traction force of the monorail crane, the monorail crane has the two functions of detecting the braking force and the traction force at the same time, and after the monorail crane is connected, 0.54% of oil in a random belt is added into a power source oil tank; connecting a clean source in the well to an air inlet of a power source, opening an air source valve, starting the power source to work, injecting 0.54% of oil into an energy accumulator 72, displaying the oil pressure gauge to 10MPa, operating a handle to perform the telescopic motion of an actuator 3, measuring the braking force flow of a monorail crane, extending the actuator 3 out completely, backing up the monorail crane backwards, straightening the actuator 3 and a fixer, clamping the fixer on a welding hoisting point of a track, moving the handle to pull the actuator 3 backwards to guide the monorail crane to pull, recording the inner ring tension value of a power source tension meter, namely the braking force of the monorail crane, needing to take an average value for three times, retracting the actuator 3 to the shortest position when the monorail crane traction detection flow is carried out, placing the operating handle at the middle position, starting a measured monorail crane to pull the actuator 3 backwards, recording the outer ring tension value of the power source tension meter, namely the traction force of the monorail crane, needing to take an average value for three times, detecting the recovery flow after the completion, and opening a pressure relief valve between the energy accumulator 72 and an oil tank to carry out. The operating handle is moved forwards and backwards for several times after pressure relief, so that a hydraulic oil pipeline can be detached after no pressure exists, and the hydraulic oil pipeline is packaged for next use.
Claims (6)
1. Pneumatic force measuring device of underground coal mine monorail crane comprises a monorail crane track (1) and a power source device (7), and is characterized in that: the power source device (7) is located below the monorail crane track (1), a monorail crane (6) to be tested is arranged on the monorail crane track (1), a fixing device (2) is arranged on the monorail crane track (1), an actuator (3) is arranged at one end of the fixing device (2), one end of the actuator (3) is hinged to the monorail crane (6) to be tested through a pin shaft, and a connecting hose (4) is fixedly connected between the actuator (3) and the power source device (7).
2. The coal mine underground monorail crane pneumatic force measuring device according to claim 1, characterized in that: fixing device (2) are including welding U-shaped frame (21), welding U-shaped frame (21) cover is established on single track hangs track (1), bolt fastening hole (22) have been seted up on the surface of welding U-shaped frame (21), the inner wall threaded connection of bolt fastening hole (22) has fixing bolt (23).
3. The coal mine underground monorail crane pneumatic force measuring device according to claim 2, characterized in that: the inner wall of the welding U-shaped frame (21) is fixedly connected with a connecting pin shaft (24), and the welding U-shaped frame (21) is hinged with the actuator (3) through the connecting pin shaft (24).
4. The pneumatic force measuring device of the monorail crane under the coal mine as defined in claim 3, wherein: the actuator (3) comprises a first hose valve seat (34) and a second hose valve seat (35), the first hose valve seat (34) and the second hose valve seat (35) are both connected with the actuator (3) in an installing mode, one side of the first hose valve seat (34) is provided with a connecting and fixing long hole (31), the connecting pin shaft (24) is inserted into the connecting and fixing long hole (31), and the fixing device (2) is hinged to the actuator (3) through the connecting pin shaft (24) and the connecting and fixing long hole (31).
5. The coal mine underground monorail crane pneumatic force measuring device according to claim 1, characterized in that: the inner wall of the actuator (3) is connected with a stressed piston rod (32) in a sliding mode, and a single-rail hanging round hole (33) is formed in the surface of the stressed piston rod (32).
6. The coal mine underground monorail crane pneumatic force measuring device according to claim 1, characterized in that: the power source device (7) comprises a liquid storage tank (71), the liquid storage tank (71) is located below the monorail crane track (1), one side of the liquid storage tank (71) is fixedly connected with an energy storage device (72), the surface of the liquid storage tank (71) is fixedly connected with a control unit (74), and the surface of the liquid storage tank (71) is fixedly connected with a display unit (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221686629.2U CN218765723U (en) | 2022-07-01 | 2022-07-01 | Pneumatic force measuring device for underground coal mine monorail crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221686629.2U CN218765723U (en) | 2022-07-01 | 2022-07-01 | Pneumatic force measuring device for underground coal mine monorail crane |
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| Publication Number | Publication Date |
|---|---|
| CN218765723U true CN218765723U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221686629.2U Active CN218765723U (en) | 2022-07-01 | 2022-07-01 | Pneumatic force measuring device for underground coal mine monorail crane |
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| CN (1) | CN218765723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735061A (en) * | 2023-08-15 | 2023-09-12 | 长治市潞安合力机械有限责任公司 | Traction force testing device for monorail crane traction device |
-
2022
- 2022-07-01 CN CN202221686629.2U patent/CN218765723U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735061A (en) * | 2023-08-15 | 2023-09-12 | 长治市潞安合力机械有限责任公司 | Traction force testing device for monorail crane traction device |
| CN116735061B (en) * | 2023-08-15 | 2023-11-03 | 长治市潞安合力机械有限责任公司 | Traction force testing device for monorail crane traction device |
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