CN215640166U - Climbing test bed for large walking equipment of coal mine - Google Patents
Climbing test bed for large walking equipment of coal mine Download PDFInfo
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- CN215640166U CN215640166U CN202122334822.1U CN202122334822U CN215640166U CN 215640166 U CN215640166 U CN 215640166U CN 202122334822 U CN202122334822 U CN 202122334822U CN 215640166 U CN215640166 U CN 215640166U
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Abstract
The utility model discloses a climbing test bed for large-scale walking equipment in a coal mine, and relates to the technical field of climbing test beds for walking equipment. The climbing test bed for the large-scale walking equipment of the coal mine comprises a base, a rotating flat plate, a hydraulic cylinder and a supporting upright post; one end of the base is hinged with one end of the rotating flat plate, the side wall of the rotating flat plate is provided with a first positioning hole, two sides of the rotating flat plate are respectively fixed with a supporting upright post, the supporting upright post is provided with a second positioning hole, and a pin shaft is arranged in the first positioning hole and the second positioning hole in a penetrating manner; the lower surface of the rotating flat plate is hinged with the piston rod end of the hydraulic cylinder, and the cylinder body end of the hydraulic cylinder is hinged on the base. Through the test bed, the climbing performance of the equipment is known before the equipment enters the well, the in-place integrity rate of the equipment in production is effectively improved, the working efficiency is improved, and the labor intensity of workers and unnecessary ineffective transportation are reduced. And has the advantages of simple, flexible and convenient operation and good application effect.
Description
Technical Field
The utility model relates to the technical field of climbing test beds of walking equipment, in particular to a climbing test bed of large walking equipment for a coal mine.
Background
The large-scale walking equipment of mine need possess certain climbing ability when using, will maintain on the well after the walking equipment breaks down, and the walking equipment can only mostly test run on horizontal ground after the maintenance is accomplished, can't inspect the climbing ability of walking equipment after the maintenance and the operation performance on slope.
The application document with the publication number of CN113125172A, namely the angle-adjustable crawler climbing test bed, discloses a climbing test bed, which adopts an angle adjusting assembly to adjust the angle of a walking platform, the weight of equipment behind the walking platform is supported by an angle adjusting oil cylinder of a telescopic push rod, the weight of large walking equipment is large, the test time is long, huge load is brought to the angle adjusting assembly after the walking equipment arrives at the walking platform, the angle deviation is easy to generate under the state that an included angle exists between a first connecting rod and a second connecting rod, the climbing test result is inaccurate, and the service life of the angle adjusting oil cylinder can be shortened due to long-time heavy-load use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a climbing test bed for large-scale walking equipment in a coal mine, which solves the problem that the climbing capability and the performance detection on a ramp cannot be detected on the ground by the large-scale walking equipment in a mine well, improves the angle stability of the test bed and prolongs the service life of the equipment.
In order to realize the technical purpose, the utility model adopts the following scheme: the climbing test bed for the large-scale walking equipment of the coal mine comprises a base, a rotating flat plate, a hydraulic cylinder and a supporting upright post; one end of the base is hinged with one end of the rotating flat plate, the side wall of the rotating flat plate is provided with a first positioning hole, two sides of the rotating flat plate are respectively fixed with a supporting upright post, the supporting upright post is provided with a second positioning hole, and a pin shaft is arranged in the first positioning hole and the second positioning hole in a penetrating manner; the lower surface of the rotating flat plate is hinged with the piston rod end of the hydraulic cylinder, and the cylinder body end of the hydraulic cylinder is hinged on the base.
Compared with the prior art, the utility model has the beneficial effects that: the angle of the rotating flat plate is adjusted through the hydraulic cylinder, the positioning hole is formed in the supporting upright column corresponding to the common climbing angle position, the rotating flat plate is supported by the pin shaft and the positioning hole after the required angle is achieved, the stress of the hydraulic cylinder is reduced, the accuracy of the climbing angle is guaranteed, and the service life of the equipment is prolonged.
Furthermore, a blocking beam is fixed on the upper surface of the free end of the rotating flat plate, and the purpose of safely blocking the vehicle is achieved.
Drawings
Fig. 1 is a schematic side view of a climbing test bed of a large-scale walking device in a coal mine according to an embodiment of the present invention;
labeled as: 1. a hinge shaft; 2. rotating the flat plate; 3. supporting the upright post; 4. fixing a pin shaft; 5. a hydraulic cylinder; 6. a fixed shaft; 7. a base; 8. an operating valve group; 9. blocking the beam.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the utility model, but the present invention is not limited thereto.
As shown in figure 1, the climbing test bed for the large-scale walking equipment of the coal mine, provided by the utility model, comprises a rotating flat plate 2, a base 7, a hydraulic cylinder 5, a supporting upright post 3 and a fixed pin shaft 4. The base 7 is fixed on the ground through foundation bolts, and a hinge shaft 1 is arranged at one end of the base 7 and used for hinging the rotating flat plate 2.
The rotating flat plate 2 is a rectangular frame structure formed by welding I-shaped steel beams and channel steel, a steel plate is welded and fixed in the frame to serve as a walking test bed, and the walking test bed used on site is 9 meters long and 3 meters wide. Two side surfaces of the rotating flat plate 2 are respectively provided with a row of first positioning holes. One end of the rotating flat plate 2 is arranged on the hinge shaft 1 of the base 7 in a penetrating way and is hinged with the base 7. The width of the base 7 is larger than that of the rotary flat plate 2, therefore, the upper surfaces of the bases 1 on the two sides of the rotary flat plate 2 are respectively provided with the plurality of supporting columns 3, the rotary flat plate 2 moves between the two rows of supporting columns 3, and the free end height of the rotary flat plate 2 is higher than the maximum climbing angle of the supporting columns 3, so that the safety guardrail is used. Each supporting upright post 3 is provided with an upper second positioning hole, a middle second positioning hole and a lower second positioning hole respectively, the lower second positioning hole corresponds to the rotating flat plate with a climbing angle of 10 degrees, the middle second positioning hole corresponds to the rotating flat plate with a climbing angle of 15 degrees, and the upper second positioning hole corresponds to the rotating flat plate with a climbing angle of 20 degrees. After the rotating flat plate 2 reaches a certain climbing angle, the first positioning hole is aligned with the second positioning hole, the fixing pin shaft 4 is inserted into the second positioning hole and the first positioning hole, the stable support for the rotating flat plate 2 is formed, the climbing angle of the walking equipment in the climbing process is accurate, and the hydraulic cylinder is not used as a main bearing structure of the equipment. Preferably, a blocking beam 9 is fixed on the upper surface of the free end of the rotating flat plate 2 to play a role in safety protection.
The upper surface of base 7 is fixed with fixed axle 6, and fixed axle 6 is articulated with the cylinder body end of pneumatic cylinder 5, and the tailpiece of the piston rod end of pneumatic cylinder 5 is articulated with the lower surface of rotatory dull and stereotyped 2, and pneumatic cylinder 5 slope sets up, the lift operation of being convenient for. During on-the-spot in-service use, pneumatic cylinder 5 quantity is two, and the pneumatic cylinder 5 chooses for use the pneumatic cylinder that becomes width of cloth, and pneumatic cylinder 5 advances, returns the liquid mouth and is furnished with two-way hydraulic lock in order to ensure that pneumatic cylinder 5 stops in required position. The hydraulic cylinder 5 is connected with an operation valve group 8, and the start and stop of the hydraulic cylinder 5 are controlled through a valve.
Select a department on ground and level open place, it is fixed with base 7, lay this walking equipment climbing test platform, make change width of cloth rotary hydraulic cylinder 5 and stretch out certain fixed length through control valves 8 and prop up rotatory dull and stereotyped 2, to required climbing angle, after first locating hole and second locating hole are adjusted well, with both sides support post 3 and rotatory dull and stereotyped 2 through the hookup of fixed pin axle 4, make rotatory dull and stereotyped 2 fix at the angle of settlement position (the angle of settlement is 10 °, 15 or 20, can increase the angle of settlement according to the in-service use needs), form the experimental required slope of equipment climbing, slope adjustment before accomplishing the experiment.
The test bed is mainly used for climbing tests (new equipment tests and overhaul equipment tests) of various large-scale walking equipment in coal mines, such as a rock drilling jumbo, a side dumping loader, an excavating loader, a roadway repairing machine and the like, and can also be used for walking equipment such as a heading machine, a warehouse cleaning machine and the like. Various climbing tests are carried out on the ground, the climbing performance of the equipment is known before the equipment enters the well, the in-place integrity rate of the equipment in production is effectively improved, the working efficiency is improved, the reliability of new equipment and the equipment after overhaul is ensured, the unqualified test run and disassembly and the transportation from the well to the well after the well are avoided, and the labor intensity of workers and the unnecessary invalid transportation are reduced. The hydraulic control is utilized to realize the hydraulic control, the pin shaft is positioned, the operation is simple, flexible and convenient, the angle is accurate, the service life is long, and the application effect is good.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (2)
1. A climbing test bed for large walking equipment of a coal mine comprises a base, a rotating flat plate, a hydraulic cylinder and a supporting upright post; the device is characterized in that one end of a base is hinged with one end of a rotating flat plate, a first positioning hole is formed in the side wall of the rotating flat plate, supporting upright posts are respectively fixed on two sides of the rotating flat plate, second positioning holes are formed in the supporting upright posts, and a pin shaft penetrates through the first positioning hole and the second positioning hole;
the lower surface of the rotating flat plate is hinged with the piston rod end of the hydraulic cylinder, and the cylinder body end of the hydraulic cylinder is hinged on the base.
2. The climbing test bed for the large-scale walking equipment in coal mines as claimed in claim 1, wherein a stop beam is fixed on the upper surface of the free end of the rotating flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122334822.1U CN215640166U (en) | 2021-09-26 | 2021-09-26 | Climbing test bed for large walking equipment of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122334822.1U CN215640166U (en) | 2021-09-26 | 2021-09-26 | Climbing test bed for large walking equipment of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215640166U true CN215640166U (en) | 2022-01-25 |
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ID=79920003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122334822.1U Active CN215640166U (en) | 2021-09-26 | 2021-09-26 | Climbing test bed for large walking equipment of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215640166U (en) |
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2021
- 2021-09-26 CN CN202122334822.1U patent/CN215640166U/en active Active
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