Traction device and transport vehicle with traction device

Abstract

The application relates to the field of a transport locomotive traction device, in particular to a traction device and a transport locomotive with the traction device; the traction device comprises a traction frame body, a power assembly and a fixing assembly; the traction frame body is connected with a traction object, the fixing assembly is arranged on the traction frame body, and the fixing assembly is used for fixing the traction object and the traction frame body; the power assembly is arranged on the traction frame body, and the power assembly is used for driving the traction frame body to move, so as to realize the traction effect of driving the traction object on a track. The traction frame body is close to the traction object, the fixing assembly is adjusted, the fixing assembly is fixedly connected between the traction object and the traction frame body, the power assembly is adjusted, the power assembly moves, the power assembly drives the traction frame body to move, the movement of the traction frame body drives the movement of the traction object, the power assembly provides power for the traction object, and the purpose of realizing the movement of the traction object on a larger slope is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of a transport locomotive traction device, in particular to a traction device and a transport locomotive with the traction device. BACKGROUND

[0002] With the maturity of the shield tunneling machine technology, the shield tunneling machine is often used in tunnel excavation at present. The tunnel excavation process using the shield tunneling machine is: the shield cylinder on the shield tunneling machine is driven to rotate, the rotation of the shield cylinder performs drilling operation on the tunnel, and the tunnel soil after tunnel excavation is sent to the ground surface by a transport vehicle. At the same time of the drilling of the shield cylinder, the segment transported by the transport locomotive is supported on the inner wall of the tunnel to realize the excavation of the tunnel.

[0003] Through retrieval, the patent document with the application number CN202122564291.5 discloses a shield tunneling machine segment transport trolley, which comprises a transport support frame. Symmetrically distributed shock-absorbing spring columns are installed at the bottom corners of the transport support frame. Universal wheels are installed at the lower side of the shock-absorbing spring columns. A bearing panel is installed at the upper side of the transport support frame. A shock-absorbing support assembly is installed at the middle of the bearing panel base surface. Adjustment assemblies are symmetrically installed at the left and right sides of the transport support frame base surface. Side auxiliary assemblies are installed at the upper side of the adjustment assemblies. A support installation groove is installed at the middle of the bearing panel base surface. Adjustment installation grooves are symmetrically formed at the middle of the left and right sides of the bearing panel base surface. The shock-absorbing support assembly comprises a spring buffer column and an arc-shaped support seat. The arc-shaped support seat is installed at the upper side of the spring buffer column.

[0004] In view of the above related technology, the following technical defects exist: the transport locomotive is used to transport the segments and materials in the tunnel. However, during tunnel construction, there are inevitably tracks with large slopes in the tunnel, which makes it inconvenient for the transport locomotive to transport materials on the tracks with large slopes. SUMMARY

[0005] In order to facilitate the transport locomotive to transport materials on the tracks with large slopes, the present application provides a traction device and a transport locomotive with the traction device.

[0006] The traction device and the transport locomotive with the traction device provided by the present application adopt the following technical solutions:

[0007] In a first aspect, a traction device comprises a traction frame body, a power assembly, and a fixing assembly.

[0008] The traction frame body is connected with a traction object. The fixing assembly is arranged on the traction frame body and is used to fix the traction object and the traction frame body.

[0009] The power assembly is arranged on the traction frame body, and is used to drive the traction frame body to move, so as to realize the traction of the traction object on the track.

[0010] By adopting the above technical scheme, the traction frame body is close to the traction object, the fixing assembly is adjusted, the fixing assembly is fixedly connected between the traction object and the traction frame body, the power assembly is adjusted, the power assembly moves, the power assembly drives the traction frame body to move, the movement of the traction frame body drives the movement of the traction object, and the power assembly provides power to the traction object, so as to facilitate the movement of the traction object on a large slope.

[0011] Optionally, the power assembly comprises a power double-shaft motor and at least two power wheels.

[0012] The power wheel is rotationally connected to the traction frame body, and is symmetrically arranged with respect to the advancing direction of the traction frame body.

[0013] The power double-shaft motor is arranged on the traction frame body, and is used to drive the power wheel to rotate, wherein the axial direction of the power double-shaft motor is perpendicular to the movement direction of the traction object.

[0014] By adopting the above technical scheme, the power double-shaft motor is adjusted, the power double-shaft motor rotates, the power double-shaft motor drives the power wheel to move, the power wheel moves on the track, and the movement of the power wheel drives the movement of the traction support, thereby realizing the movement of the traction object.

[0015] Optionally, the traction frame body comprises a horizontal beam and two bearing beams.

[0016] The bearing beam and the horizontal beam are slidingly connected, the length direction of the horizontal beam is perpendicular to the length direction of the bearing beam, and the two bearing beams can move towards or away from each other on the horizontal beam.

[0017] The fixing assembly is arranged on the bearing beam.

[0018] By adopting the above technical scheme, when different specifications of the traction object are tractioned, the bearing beam is operated to move on the horizontal beam, the two bearing beams move towards or away from each other, the movement of the bearing beam drives the movement of the fixing assembly, and the fixing assembly is fixed with the traction object; by adjusting the two bearing beams, the two bearing beams move towards or away from each other, so that the gap formed by the two bearing beams is reduced or increased, thereby facilitating the fixation of the traction object of different specifications.

[0019] Optionally, the sliding assembly for driving the movement of the bearing beam is further included.

[0020] The sliding assembly comprises a sliding motor, a sliding bidirectional screw rod and a sliding block.

[0021] The sliding bidirectional screw is rotationally connected to the horizontal beam, and the axial direction of the sliding bidirectional screw is perpendicular to the moving direction of the bearing beam;

[0022] The sliding blocks are threadedly connected to the right-threaded segment and the left-threaded segment of the sliding bidirectional screw respectively, and the sliding blocks are connected to the bearing beam;

[0023] The sliding motor is arranged on the horizontal beam, and the sliding motor is used to drive the sliding bidirectional screw to rotate.

[0024] By adopting the above technical scheme, the sliding motor is adjusted, the sliding motor rotates, the rotation of the sliding motor drives the sliding bidirectional screw to rotate, the rotation of the sliding bidirectional screw drives the sliding blocks to move, the sliding blocks move towards or away from each other, the movement of the sliding blocks drives the bearing beam to move, the purpose of moving the bearing beam towards or away from each other is achieved, and the purpose of towing different specifications of towed objects is achieved.

[0025] Optionally, the fixing assembly comprises a fixing rod and a sliding piece;

[0026] The fixing rod is slidably connected to the bearing beam through the sliding piece, the moving direction of the fixing rod is perpendicular to the length direction of the bearing beam, and the fixing rod can abut against the towed object;

[0027] The sliding piece is used to drive the fixing rod to move on the bearing beam.

[0028] By adopting the above technical scheme, when the bearing beam approaches the towed object, the sliding piece is adjusted, the sliding piece moves, the sliding piece drives the fixing rod to move, the fixing rod slides on the bearing beam, and the fixing rod abuts against the towed object, so that the purpose of fixing the bearing beam and the towed object is achieved.

[0029] Optionally, the lifting assembly for driving the horizontal beam to move along the vertical direction of the towed object is further included;

[0030] The lifting assembly comprises a lifting rack, a lifting gear and a lifting driving piece;

[0031] The lifting rack is connected to the horizontal beam, and the lifting rack is slidably connected to the towed object, and the moving direction of the lifting rack is perpendicular to the length direction of the horizontal beam;

[0032] The lifting gear is arranged on the towed object, and the lifting gear is engaged with the lifting rack;

[0033] The lifting driving piece is arranged on the towed object, and the lifting driving piece is used to drive the lifting gear to rotate.

[0034] By adopting the technical scheme, when the towing object moves on the track with a large slope, the lifting driving member moves, the lifting driving member drives the lifting gear to move, the lifting gear drives the lifting rack to move, the movement of the lifting rack drives the horizontal beam to move, the movement of the horizontal beam drives the bearing beam to move, and the bearing beam is close to the towing object, so that the fixing of the bearing beam and the towing object is facilitated, and meanwhile, the lifting assembly is arranged, the lifting assembly lifts the bearing beam when the towing object moves on the platform road, and only the self power of the towing object is needed to run, which is helpful to save energy.

[0035] In the second aspect, a transport locomotive comprises a towing device.

[0036] By adopting the technical scheme, when the transport locomotive is installed with the towing device, the towing device is close to the track when the transport locomotive needs to run on the track with a large slope, and the towing device provides power for the transport locomotive, so that the movement of the transport locomotive on the track with a large slope is facilitated.

[0037] Optionally, the auxiliary power assembly for the movement of the towing object on the track with a large slope is further included.

[0038] The auxiliary power assembly comprises a power support, a power rotating roller, a power transmission belt and a power source.

[0039] The power support is arranged on the track.

[0040] The power rotating roller is rotationally connected to the power support, and the axial direction of the power rotating roller is perpendicular to the moving direction of the towing object.

[0041] The power transmission belt is arranged around the power rotating roller.

[0042] The power source is arranged on the power support, and the power source is used to drive the power rotating roller to rotate.

[0043] By adopting the technical scheme, when the towing object moves to the starting end of the power transmission belt, the power source moves, the power source drives the power rotating roller to move, the movement of the power rotating roller drives the power transmission belt to move, the movement of the power transmission belt drives the towing object to move, and the towing object is driven to run on the track with a larger slope, so that the towing effect on the towing object is further improved, and the towing object can run on the track with a larger slope.

[0044] Optionally, the auxiliary power assembly further comprises a power stopper.

[0045] The power stopper is arranged on the power transmission belt, and the power stopper can abut against the towing object.

[0046] By adopting the technical scheme, when the towing object runs to the power transmission belt, the towing object contacts the power block, the towing object overcomes the power block under the action of its inertia, the side wall of the power block abuts against the towing object, the power transmission belt drives the power block to move, the movement of the power block drives the movement of the towing object, the purpose of driving the towing object to move on the power transmission belt is achieved, and the movement of the towing object on a large slope track is achieved, and the relative sliding of the towing object on the power transmission belt is reduced.

[0047] To sum up, the present application has at least one of the following beneficial technical effects:

[0048] 1. The present application adjusts the fixed assembly by moving the towing frame close to the towing object, and the fixed assembly is fixedly connected between the towing object and the towing frame. The power assembly is adjusted and moved, the power assembly drives the towing frame to move, the movement of the towing frame drives the movement of the towing object, and the power assembly provides power to the towing object, so as to achieve the purpose of moving the towing object on a large slope.

[0049] 2. The present application moves the bearing beam on the horizontal beam, and the two bearing beams move close to or away from each other. The movement of the bearing beam drives the movement of the fixed assembly, and the fixed assembly is fixed with the towing object. By adjusting the two bearing beams, the two bearing beams move close to or away from each other, so that the gap formed by the two bearing beams is reduced or increased, so as to achieve the fixation of towing objects of different specifications.

[0050] 3. The present application moves the lifting driving piece, the lifting driving piece drives the lifting gear to move, the lifting gear drives the lifting rack to move, the movement of the lifting rack drives the movement of the horizontal beam, the movement of the horizontal beam drives the movement of the bearing beam, and the bearing beam moves close to the towing object. The present application is convenient for achieving the fixation of the bearing beam and the towing object. At the same time, the lifting assembly is arranged, and when the towing object runs on the platform road, the lifting assembly lifts the bearing beam, and only the self-power of the towing object is needed to run, which helps to save energy. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 It is a structure schematic view of a towing device of the first embodiment of the present application.

[0052] Figure 2 It is an enlarged view of A of Figure 1

[0053] Figure 3 It is an enlarged view of B of Figure 1

[0054] Figure 4 It is a structure schematic view of the second embodiment of the present application.

[0055] Figure 5 It is a structure schematic view of another view of the second embodiment of the present application.​​

[0056] Figure 6 is Figure 5 a C part enlarged view of.

[0057] Fig. 1 traction device; 11 traction frame; 111 horizontal beam; 112 bearing beam; 12 power assembly; 121 power double shaft motor; 122 power wheel; 13 fixed assembly; 131 fixed rod; 132 sliding piece; 2 sliding assembly; 21 sliding motor; 22 sliding bidirectional screw; 23 sliding block; 3 lifting assembly; 31 lifting rack; 32 lifting gear; 33 lifting driving piece; 4 transport locomotive; 5 auxiliary power assembly; 51 power support; 52 power rotating roller; 53 power transmission belt; 54 power source; 55 power stopper. DETAILED DESCRIPTION

[0058] The following will be described in detail in combination with the accompanying Figures 1-6 The application is further described in detail.

[0059] The application discloses a traction device.

[0060] Embodiment one:

[0061] Referring to Figure 1 , a traction device 1 comprises a traction frame 11, a power assembly 12, a fixed assembly 13, a lifting assembly 3 and a sliding assembly 2; the traction frame 11 is connected with a traction object through the lifting assembly 3, the fixed assembly 13 is installed on the traction frame 11, the fixed assembly 13 is used for fixing the traction object and the traction frame 11, the lifting assembly 3 is used for driving the traction frame 11 to move, so as to fix the fixed assembly 13 and the traction object; the power assembly 12 is installed on the traction frame 11, the power assembly 12 is used for driving the traction frame 11 to move, so as to realize the traction effect of driving the traction object on a track, and then facilitate the movement of the traction object on a large slope track; the sliding assembly 2 is installed on the traction frame 11, the sliding assembly 2 is used for driving the traction frame 11 to stretch or contract, so as to realize the traction of different specifications of the traction object.

[0062] Referring to Figure 1 , the traction frame 11 comprises a horizontal beam 111 and two bearing beams 112; the two bearing beams 112 are slidingly connected with the horizontal beam 111 through the sliding assembly 2, the length direction of the horizontal beam 111 is perpendicular to the advancing direction of the traction object, the length direction of the horizontal beam 111 is perpendicular to the length direction of the bearing beam 112, the sliding assembly 2 is used for driving the two bearing beams 112 to move close to or away from each other on the horizontal beam 111, so as to realize the fixed traction of different specifications of the traction object; wherein the fixed assembly 13 is installed on the bearing beam 112.

[0063] Referring to Figure 1, the power assembly 12 comprises a power double-shaft motor 121 and at least two power wheels 122; the power wheels 122 are rotationally connected to the horizontal beam 111, and the power wheels 122 are symmetrically arranged with respect to the running direction of the horizontal beam 111; the shell of the power double-shaft motor 121 is fixed on the horizontal beam 111 by bolts, and the power wheels 122 are coaxially fixedly connected to the output shaft of the power double-shaft motor 121 through a shaft coupling, and the power double-shaft motor 121 is used for driving the power wheels 122 to rotate, wherein the axial direction of the power double-shaft motor 121 is perpendicular to the movement direction of the towed object.

[0064] With reference to Figure 1 , Figure 2 , the sliding assembly 2 comprises a sliding motor 21, a sliding bidirectional screw 22 and a sliding block 23; the sliding bidirectional screw 22 is rotationally connected to the horizontal beam 111, and the axial direction of the sliding bidirectional screw 22 is perpendicular to the movement direction of the bearing beam 112; the sliding block 23 is threadedly connected to the positive threaded section and the reverse threaded section of the sliding bidirectional screw 22 respectively, and the sliding block 23 is fixedly connected to the bearing beam 112, wherein the sliding block 23 is slidingly connected to the horizontal beam 111; the shell of the sliding motor 21 is fixed on the horizontal beam 111 by bolts, the output shaft of the sliding motor is coaxially fixedly connected to the sliding bidirectional screw 22 through a shaft coupling, and the axial direction of the output shaft of the sliding motor 21 is the same as the length direction of the horizontal beam 111, and the sliding motor 21 is used for driving the sliding bidirectional screw 22 to rotate; the sliding motor 21 moves, the sliding motor 21 drives the sliding bidirectional screw 22 to move, the sliding bidirectional screw 22 drives the sliding block 23 to move, and the sliding block 23 drives the bearing beam 112 to move, and the bearing beams 112 move close to or away from each other, so as to facilitate the traction and fixation of towed objects of different specifications.

[0065] With reference to Figure 1 , Figure 3 , the fixing assembly 13 comprises a fixing rod 131 and a sliding member 132; the fixing rod 131 is slidingly connected to the bearing beam 112 through the sliding member 132, the movement direction of the fixing rod 131 is perpendicular to the length direction of the bearing beam 112, and the fixing rod 131 can abut against the towed object; the sliding member 132 is used for driving the fixing rod 131 to move on the bearing beam 112.

[0066] With reference to Figure 1 , Figure 3 , the sliding member 132 in the application is preferably a sliding cylinder, the shell of the sliding cylinder is fixed on the bearing beam 112 by bolts, the piston rod of the sliding cylinder is fixedly connected to the fixing rod 131, and the movement direction of the sliding cylinder is perpendicular to the movement direction of the bearing beam 112; the sliding cylinder moves, the sliding cylinder drives the fixing rod 131 to move, the fixing rod 131 slides on the bearing beam 112, the fixing rod 131 abuts against the towed object, and the relative fixation of the fixing rod 131 and the towed object is realized, so as to facilitate the movement of the towed object on a track with a large slope.

[0067] With reference to Figure 1 , the lifting assembly 3 comprises a lifting rack 31, a lifting gear 32 and a lifting drive 33; the lifting rack 31 is fixedly connected with the horizontal beam 111, the lifting rack 31 is slidingly connected on the towing object, the movement direction of the lifting rack 31 is perpendicular to the length direction of the horizontal beam 111; the lifting gear 32 is installed on the towing object, the lifting gear 32 is engaged with the lifting rack 31; the lifting drive 33 is installed on the towing object, the lifting drive 33 is connected with the lifting gear 32, and the lifting drive 33 is used to drive the lifting gear 32 to rotate.

[0068] With reference to Figure 1 , the lifting drive 33 in the application is preferably a lifting motor, the shell of the lifting motor is fixed on the towing object by bolts, and the output shaft of the lifting motor is fixedly connected with the lifting gear 32 by a key connection, wherein the axial direction of the output shaft of the lifting motor is perpendicular to the length direction of the lifting rack 31.

[0069] With reference to Figure 4 , Figure 5 , in order to facilitate the driving of the towing object to a larger slope, the towing device 1 further comprises an auxiliary power assembly 5, the auxiliary power assembly 5 comprises a power support 51, a power roller, a power transmission belt 53 and a power source 54; for a larger slope track, the power support 51 is first preset on the track; the power roller is rotatably connected to the power support 51, and the axial direction of the power roller is perpendicular to the forming direction of the transport locomotive 4; the power transmission belt 53 is wound on the power roller; the power source 54 is installed on the power support 51, the power source 54 is connected with the power roller, and the power source 54 is used to drive the power roller to rotate, so as to achieve the purpose of the movement of the power transmission belt 53.

[0070] With reference to Figure 5 , Figure 6 , the power source 54 in the application is preferably a power motor; the shell of the power motor is fixed on the power support 51 by bolts, and the output shaft of the power motor is coaxially fixedly connected with the power roller through a shaft coupling, and the power motor is used to drive the power roller to rotate.

[0071] With reference to Figure 6 , in order to reduce the phenomenon of the sliding of the towing object on a larger track, the auxiliary power assembly 5 in the application further comprises a power stopper 55; the power stopper 55 is fixed on the power transmission belt 53, when the towing object runs to the starting end of the power transmission belt 53, the towing object overcomes the power stopper 55 under the action of inertia, the power stopper 55 is tightly abutted with the towing object, the movement of the power transmission belt drives the movement of the power stopper 55, so as to achieve the purpose that the power transmission belt drives the movement of the towing object, and further realizes the running of the towing object on a larger slope track.

[0072] The implementation principle of the traction device in the embodiment of the application is as follows: when the traction object runs on a large slope, the lifting driving member 33 moves, the lifting driving member 33 drives the lifting gear 32 to move, the lifting gear 32 moves, the lifting gear 32 drives the lifting rack 31 to move upwards, the movement of the lifting rack 31 drives the horizontal beam 111 to move, the horizontal beam 111 moves close to the track, the power wheel 122 contacts the track, the slip motor 21 is adjusted, the slip motor 21 rotates, the slip motor 21 drives the slip bidirectional screw 22 to move, the slip bidirectional screw 22 drives the sliding block 23 to move, the sliding block 23 drives the bearing beam 112 to move, the bearing beam 112 moves, the bearing beam 112 extends below the traction object, the slip member 132 is adjusted, the movement of the slip member 132 drives the fixed rod 131 to move, the fixed rod 131 moves on the bearing beam 112, the fixed rod 131 abuts against the traction object, the power double-shaft motor 121 is adjusted, the movement of the power double-shaft motor 121 drives the power wheel 122 to move, and the power wheel 122 drives the traction object to move on the track; when the traction object runs on a larger slope track, the power source 54 is adjusted, the power source 54 drives the power rotating roller 52 to move, the power rotating roller 52 drives the power transmission belt 53 to move, the power transmission belt moves, and when the traction object runs to the bottom of the larger slope track, the traction object overcomes the block under the action of inertia, the power transmission belt 53 drives the block to move, the block drives the traction object to move, and the movement of the traction object on the larger slope track is realized.

[0073] Embodiment two:

[0074] With reference to Figure 4 The embodiment of the application discloses a transport locomotive 4, which comprises a traction device 1, and the traction device 1 is fixed on the transport locomotive 4.

[0075] The implementation principle of the traction device in the embodiment of the application is as follows: when the transport locomotive 4 needs to run on a larger slope track, the traction device 1 is driven, the traction device 1 drives the transport locomotive 4 to move, and the running of the transport locomotive 4 on the larger slope track is realized.

[0076] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A traction device, characterized by: The traction frame body (11), the power assembly (12) and the fixing assembly (13) are included. The traction frame body (11) is connected with the traction object, and the fixing assembly (13) is arranged on the traction frame body (11) and used for fixing the traction object and the traction frame body (11). The power assembly (12) is arranged on the traction frame body (11) and used for driving the traction frame body (11) to move, so as to realize the traction effect of driving the traction object on the track. The traction frame body (11) includes a horizontal beam (111) and two bearing beams (112). The bearing beam (112) is in sliding connection with the horizontal beam (111), the length direction of the horizontal beam (111) is perpendicular to the length direction of the bearing beam (112), and the two bearing beams (112) can move towards or away from each other on the horizontal beam (111). The sliding assembly (2) for driving the bearing beam (112) to move is further included. The sliding assembly (2) includes a sliding motor (21), a sliding bidirectional screw rod (22) and a sliding block (23). The sliding bidirectional screw rod (22) is in rotary connection with the horizontal beam (111), the axial direction of the sliding bidirectional screw rod (22) is perpendicular to the movement direction of the bearing beam (112). The sliding block (23) is in threaded connection with the forward threaded section and the reverse threaded section of the sliding bidirectional screw rod (22) respectively, and the sliding block (23) is connected with the bearing beam (112). The sliding motor (21) is arranged on the horizontal beam (111), and the sliding motor (21) is used for driving the sliding bidirectional screw rod (22) to rotate. The fixing assembly (13) is arranged on the bearing beam (112). The fixing assembly (13) includes a fixing rod (131) and a sliding part (132). The fixing rod (131) is in sliding connection with the bearing beam (112) through the sliding part (132), the movement direction of the fixing rod (131) is perpendicular to the length direction of the bearing beam (112), and the fixing rod (131) can abut against the traction object. The sliding part (132) is used for driving the fixing rod (131) to move on the bearing beam (112). The lifting assembly (3) for driving the horizontal beam (111) to move along the vertical direction of the traction object is further included. The lifting assembly (3) includes a lifting rack (31), a lifting gear (32) and a lifting driving part (33). The lifting rack (31) is connected with the horizontal beam (111), and the lifting rack (31) is in sliding connection with the traction object. The movement direction of the lifting rack (31) is perpendicular to the length direction of the horizontal beam (111). The lifting gear (32) is arranged on the traction object, and the lifting gear (32) is in meshing connection with the lifting rack (31). The lifting driving part (33) is arranged on the traction object, and the lifting driving part (33) is used for driving the lifting gear (32) to rotate.

2. A traction device according to claim 1, characterised in that: The power assembly (12) comprises a power double-shaft motor (121) and at least two power wheels (122); The power wheels (122) are rotationally connected to the traction frame body (11), and the power wheels (122) are symmetrically arranged with respect to the advancing direction of the traction frame body (11); The power double-shaft motor (121) is arranged on the traction frame body (11), and the power double-shaft motor (121) is used for driving the power wheels (122) to rotate, wherein the axial direction of the power double-shaft motor (121) is perpendicular to the advancing direction of the traction object.

3. A traction device according to claim 1, characterised in that: An auxiliary power assembly (5) for enabling the traction object to run on a larger slope is further included; The auxiliary power assembly (5) comprises a power support (51), a power rotating roller (52), a power transmission belt (53) and a power source (54); The power support (51) is arranged on the track; The power rotating roller (52) is rotationally connected to the power support (51), and the axial direction of the power rotating roller (52) is perpendicular to the advancing direction of the traction object; The power transmission belt (53) is arranged around the power rotating roller (52); The power source (54) is arranged on the power support (51), and the power source (54) is used for driving the power rotating roller (52) to rotate.

4. A towing arrangement according to claim 3, characterised in that: The auxiliary power assembly (5) further comprises a power stop block (55); The power stop block (55) is arranged on the power transmission belt (53), and the power stop block (55) is capable of abutting against the traction object.

5. A rail vehicle comprising: The traction device (1) according to any one of claims 1-2 is included.

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