Tool car for testing underground personnel positioning system

Abstract

The utility model relates to a tool car for testing an underground personnel positioning system, which comprises a tool car body, a driving source and a carrying platform fixed above the tool car body, the left linear guide rail and the right linear guide rail are arranged on the two sides of the upper surface of the base, the front sliding blocks are arranged on the front portions of the left linear guide rail and the right linear guide rail, the rear sliding blocks are arranged on the rear portions of the left linear guide rail and the right linear guide rail, and the front linkage right-angle support is connected to the upper portions of the two front sliding blocks. The front linkage right-angle support is connected to the upper portions of the two front sliding blocks, the rear linkage right-angle support is connected to the upper portions of the two rear sliding blocks, the front longitudinal pressing blocks are arranged on the vertical wall of the front linkage right-angle support in a sliding mode and distributed in a piano key mode, the rear longitudinal pressing blocks are arranged on the vertical wall of the rear linkage right-angle support in a sliding mode and distributed in a piano key mode, and the front linkage right-angle support and the rear linkage right-angle support are oppositely arranged. The vehicle solves the problems that a carrying platform on an existing tool vehicle is single in structure and inflexible to use, the positioning stability is good, and the accuracy of a test result is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment for underground personnel positioning systems in coal mines, in particular to a tool vehicle for testing underground personnel positioning systems. Background Art

[0002] The maximum displacement speed of underground personnel positioning systems in coal mines should be no less than 7m / s. This standard ensures that in emergency situations, such as accidents, underground personnel can be tracked and located promptly and accurately, allowing for rapid rescue operations. The system's maximum displacement speed refers to the fastest movement speed it can effectively track, which is crucial for improving emergency response efficiency. Therefore, performance testing of underground personnel positioning systems is particularly important.

[0003] When conducting tests, a tool cart is required to carry the personnel positioning system equipment, but existing tool carts have the following problems: the mounting platform above the tool cart has a single structure and is not flexible to use. It cannot meet the installation requirements of personnel positioning system equipment of different models and sizes, and it is easy to cause unstable positioning problems. When driving at high speeds, shaking and displacement occur, affecting the stability of the test results. Summary of the Invention

[0004] The purpose of this utility model is to provide a tool vehicle for testing underground personnel positioning systems with a reasonable structure and reliable use, so as to solve the problems of the single structure and inflexible use of the carrying platform on the existing tool vehicle. It is suitable for personnel positioning system equipment of various models and sizes, has good positioning stability, and ensures the accuracy of the test results.

[0005] The technical solution of the utility model is:

[0006] A tool vehicle for testing an underground personnel positioning system comprises a tool vehicle body, a driving source and a carrying platform fixed above the tool vehicle body, the technical highlights of which are: the carrying platform comprises a base, a left linear guide rail and a right linear guide rail arranged on both sides of the upper surface of the base, a front slider arranged in front of the left linear guide rail and the right linear guide rail, a rear slider arranged in the rear of the left linear guide rail and the right linear guide rail, a front linkage right-angle support connected above the two front sliders, a rear linkage right-angle support connected above the two rear sliders, a plurality of front longitudinal pressure blocks slidably arranged on the vertical wall of the front linkage right-angle support and arranged in a piano-key manner, and a plurality of rear longitudinal pressure blocks slidably arranged on the vertical wall of the rear linkage right-angle support and arranged in a piano-key manner, and the front linkage right-angle support and the rear linkage right-angle support are arranged relative to each other.

[0007] The above-mentioned tool vehicle for testing the underground personnel positioning system has longitudinal long holes corresponding to the front longitudinal pressure block and the rear longitudinal pressure block on the vertical walls of the front linkage right-angle support and the rear linkage right-angle support, and the front longitudinal pressure block and the rear longitudinal pressure block are provided with upper and lower positioning bolts passing through the longitudinal long holes on the opposite sides, and the tips of the positioning bolts pass through the longitudinal long holes and are connected to the locking nuts.

[0008] The above-mentioned tool vehicle for testing the underground personnel positioning system, the front longitudinal pressure block and the rear longitudinal pressure block are respectively right-angle pressure blocks, and the right-angle pressure blocks are composed of an upper flat plate and a side vertical plate. A clamping bolt pair is provided on the upper flat plate, and the nut of the clamping bolt pair is at the bottom and fixed with a buffer gasket.

[0009] The above-mentioned tool vehicle for testing the underground personnel positioning system, the left linear guide rail and the right linear guide rail extend in opposite directions on their opposite sides, and the upper surface of the extension is provided with a horizontal long hole, the upper surface of the base is provided with a fixed flange corresponding to the extension, the fixed flange is provided with a through hole corresponding to the horizontal long hole, the front slider and the rear slider are provided with circular holes corresponding to the horizontal long hole, and the tip of the horizontal positioning bolt passes through the circular hole, the horizontal long hole and the through hole in sequence and is connected to the locking nut group.

[0010] The above-mentioned tool vehicle for testing the underground personnel positioning system has a groove in the middle of the upper surface of the base, in which a frequency converter connected to the driving source is provided. The top of the frequency converter is lower than the bottom surfaces of the left and right sliders, and a speed sensor is installed on the inner wall of the groove.

[0011] The above-mentioned tool cart for testing the underground personnel positioning system has a moving wheel assembly fixed under the four corners of the tool cart body, and a fixing bolt is provided above the wheel frame of the moving wheel assembly. The upper end of the fixing bolt is fitted with a shock-absorbing spring and then passes through the tool cart body and is connected to a locking nut. The shock-absorbing spring is clamped between the lower surface of the tool cart body and the upper surface of the wheel frame.

[0012] In the above-mentioned tool vehicle for testing the underground personnel positioning system, a plurality of connecting ears are provided on the edge of the base, and mounting holes for connecting with the tool vehicle body are provided on the connecting ears.

[0013] The beneficial effects of the utility model are:

[0014] The front-linked right-angle support and the rear-linked right-angle support are used to adjust the clamping position of the personnel positioning system equipment in the width direction. The front-linked right-angle support and the rear-linked right-angle support are used to clamp and position the personnel positioning system equipment at different heights. The front-linked right-angle support and the rear-linked right-angle support, and the front-linked longitudinal pressure blocks and the rear-linked longitudinal pressure blocks arranged in a piano-key style solve the problems of a single mounting platform structure and inflexible use on existing tool carts. The system is suitable for personnel positioning system equipment of various models and sizes, has good positioning stability, and ensures the accuracy of test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 yes Figure 1 A top view of the mid-mounted platform;

[0017] Figure 3 yes Figure 1 Side view of the carrying platform.

[0018] In the figure: 1. Front linkage right-angle support, 2. Rear linkage right-angle support, 3. Clamping bolt pair, 4. Front longitudinal pressure block, 5. Rear longitudinal pressure block, 6. Longitudinal elongated hole, 7. Positioning bolt, 8. Locking nut, 9. Front slider, 10. Inverter, 11. Left linear guide, 12. Base, 13. Tool cart body, 14. Moving wheel assembly, 15. Shock-absorbing spring, 16. Locking nut, 17. Fixing bolt, 18. Connecting ear, 19. Mounting hole, 20. Horizontal positioning bolt, 21. Horizontal elongated hole, 22. Right linear guide, 23. Rear slider, 24. Locking nut assembly, 25. Speed ​​sensor, 26. Buffer gasket. DETAILED DESCRIPTION

[0019] The utility model is described in detail according to the accompanying drawings.

[0020] like Figures 1 to 3 As shown, the tool vehicle for testing the underground personnel positioning system includes a tool vehicle body 13 , a driving source, and a carrying platform fixed above the tool vehicle body 13 .

[0021] The carrying platform includes a base 12, a left linear guide 11 and a right linear guide 22 provided on both sides of the upper surface of the base 12, a front slider 9 provided in front of the left linear guide 11 and the right linear guide 22, a rear slider 23 provided in rear of the left linear guide 11 and the right linear guide 22, a front linkage right-angle support 1 connected above the two front sliders 9, a rear linkage right-angle support 2 connected above the two rear sliders 23, a plurality of front longitudinal pressure blocks 4 slidably provided on the vertical wall of the front linkage right-angle support 1 and arranged in a piano-key pattern, and a plurality of rear longitudinal pressure blocks 5 slidably provided on the vertical wall of the rear linkage right-angle support 2 and arranged in a piano-key pattern. The front linkage right-angle support 1 and the rear linkage right-angle support 2 are arranged relative to each other.

[0022] The vertical walls of the front and rear linkage right-angle supports 1 and 2 are provided with longitudinal elongated holes 6 corresponding to the front and rear longitudinal pressure blocks 4 and 5, respectively. Upper and lower positioning bolts 7 are provided on opposite sides of the front and rear longitudinal pressure blocks 4 and 5, respectively, and pass through the longitudinal elongated holes 6. The tips of the positioning bolts 7 pass through the longitudinal elongated holes 6 and are connected to locking nuts 8. The front and rear longitudinal pressure blocks 4 and 5 are respectively right-angle pressure blocks, each consisting of an upper plate and side vertical plates. The upper plate is provided with a clamping bolt pair 3, the nut of which is located at the bottom and fixed with a buffer gasket 26.

[0023] The left and right linear guide rails 11 and 22 extend in opposite directions from each other, and the upper surfaces of the extensions are provided with horizontal elongated holes 21. The upper surface of the base 12 is provided with fixed flanges corresponding to the extensions, and the fixed flanges are provided with through holes corresponding to the horizontal elongated holes 21. The front and rear sliders 9 and 23 are provided with circular holes corresponding to the horizontal elongated holes 21. The tips of the horizontal positioning bolts 20 pass through the circular holes, the horizontal elongated holes 21, and the through holes in sequence, and are then connected to the locking nut assembly 24. A groove is provided in the middle of the upper surface of the base 12. The groove is provided with a frequency converter 10 connected to the drive source. The top of the frequency converter 10 is lower than the bottom surfaces of the left and right sliders. A speed sensor 25 is mounted on the inner sidewall of the groove. During use, the frequency converter 10 is used to adjust the operating speed of the tool vehicle body, and feedback is then provided through the speed sensor 25.

[0024] The base 12 is provided with a plurality of connecting ears 18 on its edge, each of which is provided with mounting holes 19 for connection to the tool cart body 13. A movable wheel assembly 14 is fixed to the four corners of the tool cart body 13. A fixing bolt 17 is provided above the wheel frame of the movable wheel assembly 14. A damping spring 15 is fitted over the upper end of the fixing bolt 17, which then passes through the tool cart body 13 and connects to a locking nut 16. The damping spring 15 is clamped between the lower surface of the tool cart body 13 and the upper surface of the wheel frame 14.

[0025] Working principle:

[0026] Before work, adjust the distance between the front linkage right-angle support 1 and the rear linkage right-angle support 2 according to the model and size of the personnel positioning system equipment to be clamped, place the personnel positioning system equipment above the horizontal section of the front linkage right-angle support 1 and the rear linkage right-angle support 2, and then lower the front longitudinal pressure block 4 and the rear longitudinal pressure block 5 in turn, so that the front longitudinal pressure block 4 and the rear longitudinal pressure block 5 are connected to the corresponding equipment positions, and finally tighten the locking nuts 8 on the opposite sides of the front longitudinal pressure block 4 and the rear longitudinal pressure block 5 and the tightening bolt pair 3 on the upper plate to achieve positioning.

[0027] The above detailed description of the embodiments of the present invention is intended to be a preferred embodiment of the present invention and should not be construed as limiting the scope of implementation of the present invention. Any equivalent changes and improvements made within the scope of the present invention shall still fall within the scope of this patent.

Claims

1. A tool vehicle for testing an underground personnel positioning system, comprising a tool vehicle body, a drive source, and a mounting platform fixed above the tool vehicle body, characterized in that: The carrying platform includes a base, a left linear guide rail and a right linear guide rail arranged on both sides of the upper surface of the base, a front slider arranged in front of the left linear guide rail and the right linear guide rail, a rear slider arranged in the rear of the left linear guide rail and the right linear guide rail, a front linkage right-angle support connected to the top of the two front sliders, a rear linkage right-angle support connected to the top of the two rear sliders, a plurality of front longitudinal pressure blocks slidably arranged on the vertical wall of the front linkage right-angle support and arranged in a piano-key manner, and a plurality of rear longitudinal pressure blocks slidably arranged on the vertical wall of the rear linkage right-angle support and arranged in a piano-key manner. The front linkage right-angle support and the rear linkage right-angle support are arranged relative to each other.

2. The tool vehicle for testing the underground personnel positioning system according to claim 1, characterized in that: The vertical walls of the front linkage right-angle support and the rear linkage right-angle support are provided with longitudinal long holes corresponding to the front longitudinal pressure block and the rear longitudinal pressure block. The opposite sides of the front longitudinal pressure block and the rear longitudinal pressure block are provided with upper and lower positioning bolts passing through the longitudinal long holes. The tips of the positioning bolts pass through the longitudinal long holes and are connected to locking nuts.

3. The tool vehicle for testing the underground personnel positioning system according to claim 1, characterized in that: The front longitudinal pressing block and the rear longitudinal pressing block are respectively right-angle pressing blocks, which are composed of an upper flat plate and a side vertical plate. A clamping bolt pair is provided on the upper flat plate, and the nut of the clamping bolt pair is at the bottom and fixed with a buffer gasket.

4. The tool vehicle for testing the underground personnel positioning system according to claim 1, characterized in that: The left linear guide rail and the right linear guide rail extend in opposite directions at their opposite sides, and the upper surface of the extension portion is provided with a horizontal long hole, the upper surface of the base is provided with a fixed flange corresponding to the extension portion, the fixed flange is provided with a through hole corresponding to the horizontal long hole, the front slider and the rear slider are provided with round holes corresponding to the horizontal long hole, and the tip of the horizontal positioning bolt passes through the round hole, the horizontal long hole and the through hole in sequence and is connected to the locking nut group.

5. The tool vehicle for testing the underground personnel positioning system according to claim 1, characterized in that: A groove is provided in the middle of the upper surface of the base, in which a frequency converter connected to a driving source is provided. The top of the frequency converter is lower than the bottom surfaces of the left and right sliders, and a speed sensor is installed on the inner side wall of the groove.

6. The tool vehicle for testing the underground personnel positioning system according to claim 1, characterized in that: A moving wheel assembly is fixed under the four corners of the tool trolley body, and a fixing bolt is provided above the wheel frame of the moving wheel assembly. The upper end of the fixing bolt is fitted with a shock-absorbing spring, which passes through the tool trolley body and is connected to a locking nut. The shock-absorbing spring is clamped between the lower surface of the tool trolley body and the upper surface of the wheel frame.

7. The tool vehicle for testing the underground personnel positioning system according to claim 1, characterized in that: A plurality of connecting ears are provided on the edge of the base, and mounting holes connected to the tool vehicle body are provided on the connecting ears.

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