Novel mining flat car

Abstract

The invention provides a novel mining flat car which comprises a cover plate body and a car frame, the cover plate body is arranged on the upper surface of the car frame, and four rail wheel rotating assemblies are symmetrically arranged on the lower surface of the car frame; the four track wheel rotating assemblies are used for achieving one wheel and one shaft, the double-edge track wheel is provided with double wheel edges, and therefore the double-edge track wheel and the track are in approximately horizontal curve contact, stable operation is facilitated, the service life of the double-edge track wheel is prolonged, and the service life of the double-edge track wheel is prolonged. Wherein two rotating fixing mechanisms in the four track wheel rotating assemblies can assist the double-edge track wheel to independently rotate in a small range, and short shaft structures of the four track wheel rotating assemblies can adapt to a curve with a smaller turning radius; and the four double-edge rail wheels are independently supported, so that the four double-edge rail wheels are always in contact with the rail when passing through a triangular area rail with yin-yang deformation, the operation is more flexible, and derailing accidents are greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mine flat car, in particular to a novel mine flat car. BACKGROUND

[0002] The mine flat car is a track vehicle used for underground mining and industrial site transportation, mainly used for loading and transporting equipment or materials in underground mine roadway and ground work.

[0003] The existing flat car axle assembly is one axle plus two wheels, the two wheels are single-sided flanges, the wheel and the track are in conical short line contact, the two wheels are installed at both ends of the axle, the axle assembly is connected with the flat car frame by two clamps or axle seats, so that each axle is subjected to two shear surfaces, and the whole vehicle axle is subjected to four shear surfaces. In operation, the wheel is prone to jumping, causing uneven wear of the wheel, such as deep grooves or local wear into a flat surface on the tread, exceeding the roundness specification, when passing through the triangular area track of yin and yang deformation, the long axle double wheel assembly is prone to disengaging from the track, and further falling off the track accident occurs. The traditional wheel and track are in contact along the conical line short line, and the stress point is relatively concentrated, which is not conducive to stable operation and shortens the service life of the wheel.

[0004] The places where mine auxiliary transportation derailment accidents frequently occur are switches and track yin and yang places, and the derailment mode is mostly that the wheel climbs the track first, and then the harmful space, sharp rail and chicken heart at the switch, plus the single-sided flange of the traditional wheel, and the lateral impact and extrusion between vehicles when running in this section, causing the wheel to climb the track first and then derail. Therefore, a novel mine flat car is proposed. SUMMARY

[0005] Therefore, the embodiments of the present application provide a novel mine flat car to solve or alleviate the technical problems in the prior art, and at least provide a beneficial choice.

[0006] The technical scheme of the embodiment of the present application is implemented in the following manner: a novel mine flat car comprises a cover plate body and a frame, the cover plate body is arranged on the upper surface of the frame, the lower surface of the frame is symmetrically provided with four track wheel rotating assemblies, and the outer wall of the frame is symmetrically provided with two collision head hook assemblies; the track wheel rotating assembly comprises a double-ridge track wheel, two rotating fixing mechanisms, a support wheel shaft, two steel ball bearings, a bearing positioning step and two clamping blocks, wherein the two rotating fixing mechanisms are symmetrically arranged on the lower surface of the frame, and the two clamping blocks are in close contact with the corresponding rotating fixing mechanisms; the side adjacent to the two clamping blocks is symmetrically arranged at the two ends of the support wheel shaft, and the two clamping blocks are integrally formed with the support wheel shaft; the bearing positioning step is arranged on the support wheel shaft, and the bearing positioning step and the support wheel shaft are integrally formed; the inner walls of the two steel ball bearings are symmetrically in contact with the outer wall of the bearing positioning step, and the outer walls of the two steel ball bearings are in contact with the inner wall of the double-ridge track wheel.

[0007] In some embodiments, the rotating fixing mechanism comprises a mounting seat, a moving block and two return springs, wherein the mounting seat is arranged on the lower surface of the frame, and the outer wall of the moving block is in contact with the inner wall of the mounting seat; one end of the two return springs adjacent to each other is symmetrically arranged on the outer wall of the moving block, and the other end of the two return springs repelling each other is symmetrically arranged on the inner wall of the mounting seat; the inner wall of the mounting seat is provided with a movable through hole, and the two clamping blocks pass through the corresponding movable through hole; one side of the moving block is provided with a clamping groove, and the outer wall of the clamping block is in contact with the inner wall of the clamping groove.

[0008] In some embodiments, the collision head hook assembly comprises a collision head hook seat, a collision head pin, a circular ring pin handle and a plurality of fixing units, wherein the plurality of fixing units are uniformly arranged on the collision head hook seat, and the plurality of fixing units are uniformly arranged on the frame; the inner side top wall and the inner side top wall of the collision head hook seat are provided with a latch through hole, and the outer wall of the collision head pin is in contact with the inner wall of the latch through hole, and the circular ring pin handle is arranged on the upper surface of the collision head pin.

[0009] In some embodiments, the fixing unit comprises a hexagonal head bolt, a hexagonal nut, a flat washer and a spring washer, wherein the inner wall of the impact head hook seat is uniformly provided with a second circular through hole, and the outer wall of the frame is uniformly provided with a third circular through hole; the hexagonal head bolt passes through the corresponding second circular through hole and the corresponding third circular through hole in sequence, and the inner wall of the hexagonal nut is threadedly connected to the outer wall of the hexagonal head bolt; the flat washer and the spring washer are sleeved on the outer wall of the hexagonal head bolt, and the flat washer and the spring washer are in close contact; the side of the flat washer away from the spring washer is in close contact with the hexagonal nut, and the side of the spring washer away from the flat washer is in close contact with the frame.

[0010] In some embodiments, the inner wall of the double-rib track wheel is symmetrically attached with two bearing end cover plates, and the support wheel shaft passes through the two bearing end cover plates.

[0011] In some embodiments, the inner wall of the mounting seat is attached with a sealing cover plate, the outer wall of the sealing cover plate is uniformly provided with a first circular through hole, the outer wall of the mounting seat is uniformly provided with a threaded groove, the inner wall of the first circular through hole is attached with a fastening bolt, and the outer wall of the fastening bolt is threadedly connected to the inner wall of the corresponding threaded groove.

[0012] In some embodiments, the inner wall of the circular ring pin handle is buckled with a first connecting circular ring, the outer wall of the first connecting circular ring is provided with a connecting rope, one end of the connecting rope away from the first connecting circular ring is provided with a second connecting circular ring, the outer wall of the impact head hook seat is provided with a U-shaped connecting seat, and the second connecting circular ring is buckled to the inner wall of the U-shaped connecting seat.

[0013] In some embodiments, the lower surface of the frame is uniformly provided with a rope hook.

[0014] The embodiments of the present application have the following advantages due to the use of the above technical solutions: Firstly, the double-rib track wheel in the four track wheel rotating assemblies, the support wheel shaft and the two steel ball bearings are used in cooperation with the two rotating fixing mechanisms to realize one wheel and one shaft, wherein the double-rib track wheel has double wheel ribs, so that the double-rib track wheel and the track are in nearly horizontal curve contact, the double-rib track wheel rotates more stably in operation, the double-rib track wheel is uniformly damaged, and the two side wheel ribs of the double-rib track wheel are limited, which is beneficial to stable operation and prolongs the service life of the double-rib track wheel, wherein the two rotating fixing mechanisms in the four track wheel rotating assemblies can assist the double-rib track wheel to rotate in a small range independently, the short shaft structure of the four track wheel rotating assemblies can adapt to smaller turning radius curves, and the independent support of the four double-rib track wheels is more beneficial to keeping contact with the track when passing through the yin-yang deformed triangular area track, and the operation is more flexible, thereby greatly reducing the occurrence of derailment accidents.

[0015] Secondly, the four track wheel rotating assemblies are independently supported, when the double-rib track wheel on a single track wheel rotating assembly is replaced, the double-rib track wheels on other track wheel rotating assemblies can support the cover plate and the frame better, and the replacement of the double-rib track wheel on the single track wheel rotating assembly is safer and easier.

[0016] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from a consideration of the drawings and following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 is a structural diagram of the present application; Figure 2 is a side sectional view of A-A of the present application; Figure 1 Figure 3 is an enlarged structural diagram of B area of the present application; Figure 2 Figure 4 is a side sectional view of C-C of the present application; Figure 1 Figure 5 is an enlarged side sectional view of D area of the present application; Figure 4 is a structural diagram of a track wheel rotating assembly of the present application; Figure 6 is an internal structural diagram of a track wheel rotating assembly of the present application; Figure 7 is an enlarged structural diagram of E area of the present application; Figure 8 Figure 7 Figure 9 is a perspective structural diagram of the present application; Figure 10 is an enlarged structural diagram of F area of the present application; Figure 9 Figure 11 is a side sectional view of the present application; Figure 9 Figure 12 is an enlarged structural diagram of G area of the present application. Figure 11 ​​​​​​​​

[0019] 1, cover plate body; 2, frame; 3, track wheel rotating assembly; 4, head hook assembly; 5, rope hook; 6, sealing cover plate; 7, bearing end cover plate; 8, movable through hole; 9, clamping groove; 10, fastening bolt; 11, threaded groove; 12, first circular through hole; 13, first connecting ring; 14, U-shaped connecting seat; 15, second connecting ring; 16, connecting rope; 17, bolt through hole; 18, second circular through hole; 19, third circular through hole; 30, double-rib track wheel; 31, rotating fixing mechanism; 32, support wheel shaft; 33, steel ball bearing; 34, bearing positioning step; 35, clamping block; 40, head hook seat; 41, head pin; 42, circular ring pin handle; 43, fixing unit; 310, mounting seat; 311, moving block; 312, return spring; 430, hexagonal head bolt; 431, hexagonal nut; 432, flat washer; 433, spring washer. DETAILED DESCRIPTION

[0020] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0021] It should be noted that the terms "first", "second", "symmetrical", "array", "provided with", "provided in" and the like are only used for distinguishing description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "symmetrical" and the like can explicitly or implicitly include one or more of the features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly including one or more of the features;

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense; for example, it can be fixedly connected, or detachably connected, or integrally formed; it can be mechanically connected, or directly connected, or welded, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specification and drawings in combination with specific circumstances.

[0023] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0024] As Figures 1-12As shown, the embodiment of the present application provides a new type of mine flat car, which comprises a cover plate body 1 and a frame 2, the cover plate body 1 is arranged on the upper surface of the frame 2, the lower surface of the frame 2 is symmetrically provided with four track wheel rotating assemblies 3, the outer wall of the frame 2 is symmetrically provided with two impact head hook assemblies 4, the track wheel rotating assembly 3 comprises a double-flange track wheel 30, two rotating fixing mechanisms 31, a support wheel shaft 32, two steel ball bearings 33, a bearing positioning step 34 and two clamping blocks 35, wherein the two rotating fixing mechanisms 31 are symmetrically arranged on the lower surface of the frame 2, and the two clamping blocks 35 are in close contact with the corresponding rotating fixing mechanisms 31, one side of the two clamping blocks 35 adjacent to each other is symmetrically arranged on both ends of the support wheel shaft 32, and the two clamping blocks 35 are integrally formed with the support wheel shaft 32, the bearing positioning step 34 is arranged on the support wheel shaft 32, and the bearing positioning step 34 and the support wheel shaft 32 are integrally formed, the inner walls of the two steel ball bearings 33 are symmetrically in close contact with the outer walls of the bearing positioning step 34, and the outer walls of the two steel ball bearings 33 are in close contact with the inner walls of the double-flange track wheel 30, and the inner bottom wall of the double-flange track wheel 30 is in close contact with the track.

[0025] In the embodiment, specifically, there is a gap between the double-flange track wheel 30 and the track, which facilitates the micro-turning of the double-flange track wheel 30 on the track.

[0026] In the embodiment, specifically, the rotating fixing mechanism 31 comprises a mounting seat 310, a moving block 311 and two reset springs 312, wherein the mounting seat 310 is arranged on the lower surface of the frame 2, and the outer wall of the moving block 311 is in close contact with the inner wall of the mounting seat 310, one end of the two reset springs 312 adjacent to each other is symmetrically arranged on the outer wall of the moving block 311, and the other end of the two reset springs 312 repelling each other is symmetrically arranged on the inner wall of the mounting seat 310, the inner wall of the mounting seat 310 is provided with a movable hole 8, and the two clamping blocks 35 pass through the corresponding movable hole 8, one side of the moving block 311 is provided with a clamping groove 9, and the outer wall of the clamping block 35 is in close contact with the inner wall of the clamping groove 9, by moving the clamping block 35 in the clamping groove 9, the clamping block 35 drives the moving block 311 to move in the mounting seat 310, wherein the reset spring 312 is used for resetting the moving block 311, and the clamping block 35 moves in the movable hole 8, which is used to facilitate the clamping block 35 to drive the support wheel shaft 32 and the double-flange track wheel 30 to micro-turn.

[0027] In this embodiment, specifically, the head hook assembly 4 includes a head hook base 40, a head pin 41, a circular pin handle 42, and a plurality of fixing units 43, wherein the plurality of fixing units 43 are evenly arranged on the head hook base 40, and the plurality of fixing units 43 are evenly arranged on the frame 2, the inner side top wall of the head hook base 40 and the inner side top wall are both provided with a bolt through hole 17, and the outer wall of the head pin 41 is attached to the inner wall of the bolt through hole 17, the circular pin handle 42 is arranged on the upper surface of the head pin 41, after the above arrangement is matched with the head hook base 40 and the head pin 41 and the bolt through hole 17 are connected, the plurality of frames 2 and the head are connected, and the plurality of fixing units 43 are used to fix the head hook base 40 on the corresponding frame 2.

[0028] In this embodiment, specifically, the fixing unit 43 includes a hexagonal head bolt 430, a hexagonal nut 431, a flat washer 432, and a spring washer 433, wherein the inner wall of the head hook base 40 is evenly provided with a second circular through hole 18, the outer wall of the frame 2 is evenly provided with a third circular through hole 19, the hexagonal head bolt 430 passes through the corresponding second circular through hole 18 and the corresponding third circular through hole 19 in turn, and the inner wall of the hexagonal nut 431 is threadedly connected to the outer wall of the hexagonal head bolt 430. The flat washer 432 and the spring washer 433 are sleeved on the outer wall of the hexagonal head bolt 430, and the flat washer 432 and the spring washer 433 are attached to each other. The side of the flat washer 432 away from the spring washer 433 is attached to the hexagonal nut 431, and the side of the spring washer 433 away from the flat washer 432 is attached to the frame 2. By the above arrangement, the hexagonal head bolt 430 passes through the corresponding second circular through hole 18 and the corresponding third circular through hole 19 in turn, then the flat washer 432 and the spring washer 433 are sleeved on the outer wall of the hexagonal head bolt 430, and then the hexagonal nut 431 is rotated on the hexagonal head bolt 430 and presses the flat washer 432 and the spring washer 433, so as to fix the head hook base 40 on the frame 2.

[0029] In this embodiment, specifically, the inner wall of the double-rib track wheel 30 is symmetrically attached to two bearing end cover plates 7, and the support wheel shaft 32 passes through the two bearing end cover plates 7. The above arrangement of the bearing end cover plate 7 is used to avoid damage to the steel ball bearing 33 by external pollutants and to enhance the service life of the steel ball bearing 33.

[0030] In this embodiment, specifically, the inner wall of the mounting seat 310 is attached with a sealing cover plate 6, the outer wall of the sealing cover plate 6 is uniformly provided with a first circular through hole 12, the outer wall of the mounting seat 310 is uniformly provided with a threaded groove 11, the inner wall of the first circular through hole 12 is attached with a fastening bolt 10, and the outer wall of the fastening bolt 10 is threadedly connected to the inner wall of the corresponding threaded groove 11. Through the above arrangement, the sealing cover plate 6 can be installed and detached on the mounting seat 310 by rotating the fastening bolt 10 in the threaded groove 11 through the first circular through hole 12, and the use safety of the moving block 311 and the reset spring 312 can be ensured.

[0031] In this embodiment, specifically, the inner wall of the circular ring pin handle 42 is buckled with a first connecting circular ring 13, the outer wall of the first connecting circular ring 13 is provided with a connecting rope 16, the end of the connecting rope 16 away from the first connecting circular ring 13 is provided with a second connecting circular ring 15, the outer wall of the impact head hook seat 40 is provided with a U-shaped connecting seat 14, and the second connecting circular ring 15 is buckled to the inner wall of the U-shaped connecting seat 14. Through the above arrangement of the combination of the first connecting circular ring 13, the connecting rope 16, the U-shaped connecting seat 14 and the second connecting circular ring 15, the circular ring pin handle 42 and the impact head pin 41 can be connected to the impact head hook seat 40, and the use loss of the impact head pin 41 can be avoided.

[0032] In this embodiment, specifically, the lower surface of the vehicle frame 2 is uniformly provided with a rope hook 5, and the rope hook 5 is used to fix the binding rope, so as to fix the goods above the binding rope cover plate body 1.

[0033] In this embodiment, specifically, according to different loads and carriers, the size and parameters of the parts of the application can be adjusted, that is, a kind of mine vehicle such as mine car, material car, container car and the like for different tonnage can be designed and manufactured. Therefore, the application is not limited to one product in this example, but a kind of product designed and manufactured by the design method and idea provided by the application. In the working process of the application, the four double-rib track wheels 30 are moved to the side adjacent to the two mounting seats 310, then the mounting seat 310, the moving block 311 and the two reset springs 312 are moved, so as to pass the clamping block 35 through the movable through hole 8 and move it into the clamping groove 9, and then the mounting seat 310 is installed on the vehicle frame 2.

[0034] Through connecting the connecting head accessory and the connecting head hook seat 40, the two are connected by the connecting head pin 41, and then the cover plate body 1 and the frame 2 are pulled to move, the frame 2 drives the four track wheels rotating assemblies 3 to move on the track, when the frame 2 turns, the track drives the double rim track wheels 30 to turn, the double rim track wheels 30 drive the supporting wheel shaft 32 and the two clamping blocks 35 to turn, the clamping blocks 35 drive the moving block 311 to turn slightly, the moving block 311 drives the two reset springs 312 to deform, wherein the double rim track wheels 30 are double wheel rims, so that the double rim track wheels 30 and the track are nearly horizontal curve contact, the double rim track wheels 30 rotate more stably in operation, the double rim track wheels 30 are limited by the two side rims, so that the double rim track wheels 30 are closely attached to the track, when the frame 2 needs to be straight, the elastic potential of the reset spring 312 drives the moving block 311 to reset, the moving block 311 drives the two clamping blocks 35 to reset, the clamping blocks 35 drive the supporting wheel shaft 32, the double rim track wheels 30 and the steel ball bearing 33 to reset.

[0035] Due to the independent support of the four double rim track wheels 30, when a single double rim track wheel 30 needs to be replaced, the relevant personnel only need to remove the corresponding rotating fixing mechanism 31 from the frame 2, the rotating fixing mechanism 31 drives the double rim track wheels 30, the supporting wheel shaft 32, the steel ball bearing 33, the bearing positioning step 34 and the clamping block 35 to be removed, so as to remove the double rim track wheels 30, the supporting wheel shaft 32, the steel ball bearing 33, the bearing positioning step 34 and the clamping block 35 from the rotating fixing mechanism 31, so as to replace the double rim track wheels 30, and the double rim track wheels 30 on the other track wheel rotating assemblies 3 can better support the cover plate body 1 and the frame 2.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A new type of mine flat car comprising a cover plate body (1) and a frame (2), characterized in that: The cover plate body (1) is arranged on the upper surface of the frame (2), the lower surface of the frame (2) is symmetrically provided with four track wheel rotating assemblies (3), and the outer wall of the frame (2) is symmetrically provided with two collision head hook assemblies (4). The two rotating fixing mechanisms (31) are symmetrically arranged on the lower surface of the frame (2), and the two clamping blocks (35) are in close contact with the corresponding rotating fixing mechanisms (31). The two clamping blocks (35) are symmetrically arranged on the two ends of the support wheel shaft (32) on the side adjacent to each other, and the two clamping blocks (35) are integrally formed with the support wheel shaft (32). The bearing positioning step (34) is arranged on the support wheel shaft (32), and the bearing positioning step (34) and the support wheel shaft (32) are integrally formed. The inner walls of the two steel ball bearings (33) are symmetrically attached to the outer wall of the bearing positioning step (34), and the outer walls of the two steel ball bearings (33) are attached to the inner wall of the double-ridge track wheel (30).

2. The new type mine flat car according to claim 1, characterized in that: The rotating fixing mechanism (31) comprises a mounting seat (310), a moving block (311) and two reset springs (312). The mounting seat (310) is arranged on the lower surface of the frame (2), and the outer wall of the moving block (311) is attached to the inner wall of the mounting seat (310). The two reset springs (312) are symmetrically arranged on the outer wall of the moving block (311) on the side adjacent to each other, and the two reset springs (312) are symmetrically arranged on the inner wall of the mounting seat (310) on the side repelling each other. The inner wall of the mounting seat (310) is provided with a movable through hole (8), and the two clamping blocks (35) pass through the corresponding movable through hole (8). One side of the moving block (311) is provided with a clamping groove (9), and the outer wall of the clamping block (35) is attached to the inner wall of the clamping groove (9).

3. The new type mine flat car according to claim 1, characterized in that: The collision head hook assembly (4) comprises a collision head hook seat (40), a collision head pin (41), a circular ring pin handle (42) and a plurality of fixing units (43). A plurality of fixing units (43) are evenly arranged on the collision head hook seat (40), and a plurality of fixing units (43) are evenly arranged on the frame (2). The inner side top wall and the inner side top wall of the collision head hook seat (40) are provided with a latch through hole (17), and the outer wall of the collision head pin (41) is attached to the inner wall of the latch through hole (17), and the circular ring pin handle (42) is arranged on the upper surface of the collision head pin (41).

4. The new type mine flat car according to claim 3, characterized in that: The fixing unit (43) comprises a hexagonal head bolt (430), a hexagonal nut (431), a flat washer (432) and a spring washer (433). The inner wall of the collision head hook seat (40) is uniformly provided with a second circular through hole (18), and the outer wall of the vehicle frame (2) is uniformly provided with a third circular through hole (19); The hexagonal head bolt (430) passes through the corresponding second circular through hole (18) and the corresponding third circular through hole (19) in sequence, and the inner wall of the hexagonal nut (431) is threadedly connected to the outer wall of the hexagonal head bolt (430); The flat washer (432) and the spring washer (433) are sleeved on the outer wall of the hexagonal head bolt (430), and the flat washer (432) and the spring washer (433) are attached to each other; The side of the flat washer (432) away from the spring washer (433) is attached to the hexagonal nut (431), and the side of the spring washer (433) away from the flat washer (432) is attached to the vehicle frame (2).

5. The new type mine flat car according to claim 1, characterized in that: The inner wall of the double-rib track wheel (30) is symmetrically attached to two bearing end cover plates (7), and the support axle (32) passes through the two bearing end cover plates (7).

6. The new type mine flat car according to claim 2, characterized in that: The inner wall of the mounting seat (310) is attached to a sealing cover plate (6), the outer wall of the sealing cover plate (6) is uniformly provided with a first circular through hole (12), the outer wall of the mounting seat (310) is uniformly provided with a threaded groove (11), the inner wall of the first circular through hole (12) is attached to a fastening bolt (10), and the outer wall of the fastening bolt (10) is threadedly connected to the inner wall of the corresponding threaded groove (11).

7. The new type mine flat car according to claim 3, characterized in that: The inner wall of the circular ring pin handle (42) is buckled with a first connecting circular ring (13), the outer wall of the first connecting circular ring (13) is provided with a connecting rope (16), one end of the connecting rope (16) away from the first connecting circular ring (13) is provided with a second connecting circular ring (15), the outer wall of the collision head hook seat (40) is provided with a U-shaped connecting seat (14), and the second connecting circular ring (15) is buckled to the inner wall of the U-shaped connecting seat (14).

8. The new type mine flat car according to claim 1, characterized in that: The lower surface of the vehicle frame (2) is uniformly provided with a rope hook (5).

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