CN212913598U - Stretcher capable of walking in coal mine - Google Patents

Abstract

The utility model discloses a colliery stretcher that can walk in pit, including the stretcher mesa, the below of stretcher mesa is equipped with the bottom plate, be equipped with running gear and buffer gear on the bottom plate, running gear includes fixed mounting at the driving motor and the electricity storage box at bottom plate top, two supports of bottom left side fixedly connected with of bottom plate, and same round steel axle is installed in the bottom rotation of two supports, and the epaxial fixed cover of circle steel is equipped with two walking wheels, and two supports are located between two walking wheels, and driving motor's output shaft and the epaxial fixed cover of circle steel are equipped with the sprocket. The utility model relates to a rationally, be convenient for turn a single quick control in the colliery well and go out, can realize going automatically, labour saving and time saving is convenient for adjust buffer spring's elasticity according to the fat thin wounded of difference, reaches the vibrations impact force that can stably alleviate the road surface and bring unevenly according to the fat thin wounded of difference, improves travelling comfort and suitability, is favorable to the use.

Description

Stretcher capable of walking in coal mine

Technical Field

The utility model relates to a stretcher technical field especially relates to a colliery stretcher that can walk in pit.

Background

In the prior art, most of the stretchers used for transporting patients in hospitals or receiving wounded persons in accident sites are manually pushed, and when an accident happens in a coal mine, the stretchers are needed to be used for transporting workers out for treatment.

The function that current stretcher has the wounded who is not convenient for according to the fat thin of difference and stabilizes the buffering to the stretcher mesa, colliery ground unevenness leads to in the driving rigid vibrations great easily to the wounded cause secondary damage, also be mostly inconvenient for single quick control stretcher in the department of turning to roll off, need personnel hard the promotion, waste time and energy, can not satisfy the user demand, to this phenomenon, therefore we have proposed a colliery stretcher that can walk in the pit, be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a stretcher capable of walking in a coal mine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a stretcher capable of walking in a coal mine well comprises a stretcher table board, a bottom plate is arranged below the stretcher table board, a walking mechanism and a buffer mechanism are arranged on the bottom plate, the walking mechanism comprises a driving motor and an electric storage box which are fixedly installed at the top of the bottom plate, the left side of the bottom plate is fixedly connected with two supports, the bottoms of the two supports are rotatably installed with a same round steel shaft, two walking wheels are fixedly sleeved on the round steel shaft, the two supports are located between the two walking wheels, chain wheels are fixedly sleeved on an output shaft of the driving motor and the round steel shaft, the two chain wheels are in transmission connection with a same chain, and two universal wheels are rotatably installed on the right;

the buffer mechanism comprises four vertical pipes which are fixedly connected with the top of the bottom plate in a rectangular shape, supporting rods are sleeved in the vertical pipes in a sliding mode, the top ends of the four supporting rods respectively extend to the upper portions of the corresponding vertical pipes and are fixedly connected with the bottom of the stretcher table board, the same transverse plate is fixedly connected among the four vertical pipes, and a plurality of buffer springs are fixedly connected between the top of the transverse plate and the bottom of the stretcher table-board, the bottom of the stretcher table-board is fixedly connected with a rectangular box with an opening at the top, the transverse plate is slidably sleeved on the rectangular box, a rectangular block is slidably sleeved in the rectangular box, the bottom of the rectangular block is fixedly connected with a vertical rod, the bottom end of the vertical rod extends to the lower part of the rectangular box, the top of the bottom plate is fixedly provided with a first motor, and the top end of the output shaft of the first motor is fixedly connected with a screw rod, the vertical rod is sleeved on the screw rod in a threaded manner, and the right sides of two vertical pipes on the right side in the four vertical pipes are fixedly connected with the same U-shaped handle.

Preferably, the right side fixedly connected with first motor switch and the second motor switch of U-shaped handle, first motor switch and hold electric box and first motor respectively through conducting wire electric connection, the second motor switch and hold electric box and driving motor respectively through conducting wire electric connection, hold the electric box and supply power for first motor and driving motor.

Preferably, the top of the bottom plate is provided with a through hole, the chain is positioned in the through hole, and the inner wall of the through hole is not contacted with the outer side of the chain.

Preferably, the bottom of the support is welded with a bearing, and the inner side of an inner ring of the bearing is welded and fixed with the outer side of the round steel shaft.

Preferably, the top of the transverse plate is provided with a rectangular hole, and the inner wall of the rectangular hole is in sliding connection with the outer side of the rectangular box.

Preferably, the bottom end of the vertical rod is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod.

Preferably, the rubber blocks are fixedly bonded to two sides of the bottom of the rectangular block, and the bottom of each rubber block is in movable contact with the inner wall of the bottom of the rectangular box.

Compared with the prior art, the beneficial effects of the utility model are that:

through matching the stretcher table board, the bottom board, the support, the round steel shaft, the travelling wheels, the driving motor, the chain wheel, the chain, the vertical pipe, the supporting rod, the transverse plate, the buffer spring, the rectangular box, the rectangular block, the vertical rod, the first motor, the screw rod, the U-shaped handle and the bearing with the first motor switch, a wounded person is placed on the stretcher table board, the driving motor is started, the driving motor drives the round steel shaft to rotate through the matching of the two chain wheels and the chain, the round steel shaft drives the two travelling wheels to rotate for driving, at the moment, the person can control the rotation of the universal wheel by pulling the U-shaped handle back and forth, the wounded person can conveniently and quickly control the wounded person to run out at the turning position in the coal mine well, the stretcher table board vibrates downwards during driving and drives the rectangular box to slide downwards on the rectangular block and compress the plurality of buffer springs, the reaction force of the buffer spring buffers the stretcher table board, bring the panic for personnel, during the adjustment, forward start first motor drives the screw rod and rotates, the screw rod rotation can drive the montant rebound, the montant passes through the rectangular block and drives the rectangle box rebound, the rectangle box drives stretcher mesa rebound and compresses buffer spring for buffer spring is in different compression states just before not cushioning, can adjust buffer spring's initial compression degree, thereby reach the elasticity according to the fat thin wounded's of difference adjustment buffer spring, improve travelling comfort and suitability.

The utility model relates to a rationally, be convenient for turn a single quick control in the colliery well and go out, can realize going automatically, labour saving and time saving is convenient for adjust buffer spring's elasticity according to the fat thin wounded of difference, reaches the vibrations impact force that can stably alleviate the road surface and bring unevenly according to the fat thin wounded of difference, improves travelling comfort and suitability, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a stretcher capable of walking in a coal mine;

fig. 2 is a schematic view of a cross-sectional structure of a stretcher that can be run in a coal mine;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the stretcher comprises a stretcher table board 1, a bottom plate 2, a support 3, a round steel shaft 4, a walking wheel 5, a driving motor 6, a chain wheel 7, a chain 8, a vertical pipe 9, a supporting rod 10, a transverse plate 11, a buffer spring 12, a rectangular box 13, a rectangular block 14, a vertical rod 15, a first motor 16, a screw rod 17, a U-shaped handle 18, a bearing 19 and a first motor switch 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a stretcher capable of walking in a coal mine comprises a stretcher table board 1, a bottom plate 2 is arranged below the stretcher table board 1, a walking mechanism and a buffer mechanism are arranged on the bottom plate 2, the walking mechanism comprises a driving motor 6 and an electric storage box which are fixedly arranged on the top of the bottom plate 2, two supports 3 are fixedly connected to the left side of the bottom plate 2, the bottoms of the two supports 3 are rotatably provided with a same round steel shaft 4, two walking wheels 5 are fixedly sleeved on the round steel shaft 4, the two supports 3 are positioned between the two walking wheels 5, a chain wheel 7 is fixedly sleeved on an output shaft of the driving motor 6 and the round steel shaft 4, a same chain 8 is in transmission connection with the two chain wheels 7, and two universal wheels are rotatably;

the buffer mechanism comprises four vertical pipes 9 which are fixedly connected with the top of a bottom plate 2 in a rectangular shape, supporting rods 10 are sleeved in the vertical pipes 9 in a sliding mode, the top ends of the four supporting rods 10 respectively extend to the upper portions of the corresponding vertical pipes 9 and are fixedly connected with the bottom of a stretcher table board 1, the same transverse plate 11 is fixedly connected among the four vertical pipes 9, a plurality of buffer springs 12 are fixedly connected between the top portion of the transverse plate 11 and the bottom of the stretcher table board 1, a rectangular box 13 with an opening at the top is fixedly connected with the bottom of the stretcher table board 1, the transverse plate 11 is sleeved on the rectangular box 13 in a sliding mode, a rectangular block 14 is sleeved in the rectangular box 13 in a sliding mode, a vertical rod 15 is fixedly connected to the bottom of the rectangular block 14, the bottom end of the vertical rod 15 extends to the lower portion of the rectangular box 13, a first motor 16 is fixedly installed at the top of, the same U-shaped handle 18 of two standpipe 9's that lie in on right side in four standpipe 9 right side the utility model relates to a rationally, the single quick control of the department of turning of being convenient for in the colliery well is rolled out, can realize going automatically, and labour saving and time saving is convenient for adjust buffer spring 12's elasticity according to the fat thin wounded of difference, reaches the vibrations impact force that can stably alleviate the road surface and bring unevenly according to the fat thin wounded of difference, improves travelling comfort and suitability, is favorable to using.

In the utility model, the right side of the U-shaped handle 18 is fixedly connected with a first motor switch 20 and a second motor switch, the first motor switch 20 is electrically connected with the electricity storage box and the first motor 16 through conducting wires respectively, the second motor switch is electrically connected with the electricity storage box and the driving motor 6 through conducting wires respectively, the electricity storage box supplies power to the first motor 16 and the driving motor 6, the top of the bottom plate 2 is provided with a through hole, the chain 8 is positioned in the through hole, the inner wall of the through hole is not contacted with the outer side of the chain 8, the bottom of the support 3 is welded with a bearing 19, the inner side of the inner ring of the bearing 19 is welded and fixed with the outer side of the round steel shaft 4, the top of the transverse plate 11 is provided with a rectangular hole, the inner wall of the rectangular hole is connected with the outer side of the rectangular box 13 in a sliding way, the bottom end of the vertical rod 15 is provided with a threaded hole, the threaded hole, and the bottom of block rubber and the bottom inner wall movable contact of rectangle box 13, the utility model relates to a rationally, the single quick control of the department of turning of being convenient for is gone out in the colliery well, can realize going automatically, labour saving and time saving is convenient for adjust buffer spring 12's elasticity according to the fat thin wounded of difference, reaches the vibrations impact force that can stably alleviate the road surface and bring according to the fat thin wounded of difference, improves travelling comfort and suitability, is favorable to using.

The working principle is as follows: when the stretcher is used, a wounded person is placed on the stretcher table board 1, the driving motor 6 is started, the driving motor 6 drives the upper chain wheel 7 to rotate, the upper chain wheel 7 drives the lower chain wheel 7 to rotate through the chain 8, the lower chain wheel 7 drives the round steel shaft 4 to rotate at the bottoms of the two supports 3, the round steel shaft 4 drives the two travelling wheels 5 to rotate and travel, the two universal wheels on the right side of the bottom plate 2 are arranged, the turning of the universal wheels is controlled by pulling the U-shaped handle 18 back and forth by the wounded person, the turning in the coal mine well is realized, the turning in the coal mine well is convenient for the wounded person to rapidly control to exit through the U-shaped handle 18, the wounded person only needs to control the direction through the U-shaped handle 18 on the right side, the automatic traveling can;

when the ground is uneven and vibrates in the driving process, the stretcher table board 1 vibrates downwards and drives the rectangular box 13 to slide downwards on the rectangular block 14, the stretcher table board 1 drives the four support rods 10 to slide downwards in the corresponding vertical pipes 9 respectively, at the moment, the stretcher table board 1 compresses the plurality of buffer springs 12 downwards, the reaction force of the buffer springs 12 buffers the stretcher table board 1, the hard vibration impact force can be effectively relieved, the small personnel can cause the vertical jumping amplitude of the stretcher table board 1 to be too large, so that people can feel panic, at the moment, when the elasticity of the buffer springs 12 needs to be adjusted according to the different fatteness, the first motor 16 is started in the forward direction, the output shaft of the first motor 16 drives the screw rod 17 to rotate, under the action of the threaded hole formed at the bottom end of the vertical rod 15, the screw rod 17 can drive the vertical rod 15 to move downwards, the vertical rod 15 drives the rectangular block 14 to move downwards, rectangular block 14 passes through the rubber block and drives rectangular box 13 downstream, rectangular box 13 drives stretcher mesa 1 downstream and compresses buffer spring 12 for buffer spring 12 is in different compression state just before buffering, and buffer spring 12 that is in compression state is to the obvious increase of stretcher mesa 1's elasticity, can adjust buffer spring 12's initial compression degree, reaches the elasticity that adjusts buffer spring 12 according to the fat thin wounded of difference, improves travelling comfort and suitability.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A stretcher capable of walking in a coal mine well comprises a stretcher table board (1), a bottom plate (2) is arranged below the stretcher table board (1), the electric bicycle is characterized in that a traveling mechanism and a buffer mechanism are arranged on the bottom plate (2), the traveling mechanism comprises a driving motor (6) and an electric storage box which are fixedly installed at the top of the bottom plate (2), the left side of the bottom plate (2) is fixedly connected with two supports (3), the bottoms of the two supports (3) are rotatably installed with a same round steel shaft (4), the round steel shaft (4) is fixedly sleeved with two traveling wheels (5), the two supports (3) are positioned between the two traveling wheels (5), the output shaft of the driving motor (6) and the round steel shaft (4) are fixedly sleeved with chain wheels (7), the two chain wheels (7) are in transmission connection with a same chain (8), and the right side of the bottom plate (2) is rotatably installed with two universal wheels;

the buffer mechanism comprises four vertical pipes (9) which are fixedly connected to the top of a bottom plate (2) in a rectangular manner, supporting rods (10) are sleeved in the vertical pipes (9) in a sliding manner, the top ends of the four supporting rods (10) respectively extend to the upper sides of the corresponding vertical pipes (9) and are fixedly connected with the bottom of a stretcher table board (1), the same transverse plate (11) is fixedly connected among the four vertical pipes (9), a plurality of buffer springs (12) are fixedly connected between the top of the transverse plate (11) and the bottom of the stretcher table board (1), a rectangular box (13) with an opening at the top is fixedly connected with the bottom of the stretcher table board (1), the transverse plate (11) is slidably sleeved on the rectangular box (13), a rectangular block (14) is sleeved in the rectangular box (13) in a sliding manner, a vertical rod (15) is fixedly connected with the bottom of the rectangular block (14), and the bottom end of, the top fixed mounting of bottom plate (2) has first motor (16), and the output shaft top fixedly connected with screw rod (17) of first motor (16), and montant (15) thread bush is established on screw rod (17), and the right side fixedly connected with is the same U-shaped handle (18) of two standpipe (9) on right side in four standpipe (9).

2. The stretcher capable of walking under coal mine according to claim 1, characterized in that a first motor switch (20) and a second motor switch are fixedly connected to the right side of the U-shaped handle (18), the first motor switch (20) is electrically connected with the power storage box and the first motor (16) through conducting wires respectively, the second motor switch is electrically connected with the power storage box and the driving motor (6) through conducting wires respectively, and the power storage box supplies power to the first motor (16) and the driving motor (6).

3. The stretcher capable of walking under coal mine according to claim 1 is characterized in that the top of the bottom plate (2) is provided with a through hole, the chain (8) is positioned in the through hole, and the inner wall of the through hole is not contacted with the outer side of the chain (8).

4. The stretcher capable of walking under coal mine according to claim 1 is characterized in that the bearing (19) is welded at the bottom of the support (3), and the inner side of the inner ring of the bearing (19) is welded and fixed with the outer side of the round steel shaft (4).

5. The stretcher capable of walking under coal mine according to claim 1 is characterized in that a rectangular hole is opened on the top of the transverse plate (11), and the inner wall of the rectangular hole is connected with the outer side of the rectangular box (13) in a sliding way.

6. The stretcher capable of walking under coal mine according to claim 1 is characterized in that the bottom end of the vertical rod (15) is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod (17).

7. The stretcher capable of walking under coal mine well according to claim 1 is characterized in that rubber blocks are fixedly bonded on two sides of the bottom of the rectangular block (14), and the bottom of the rubber block is in movable contact with the inner wall of the bottom of the rectangular box (13).

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