CN114319231A - A dyke rupture blocking bicycle trolley - Google Patents

Abstract

The invention discloses a bicycle trolley for dam breach sealing, which comprises a trolley, the trolley is placed on the hull, the top of the trolley is fixedly connected with two vertical columns arranged in parallel, and a transport plate is slidably connected between the two columns. Two parallel telescopic arms are slidably connected on the top surface, one end of the hull is placed with a number of geotextiles, the other end of the hull is provided with a loading platform, one side of the loading platform is provided with a manipulator, and the manipulator is fixed on the hull; The object platform includes a buffer box, a bearing plate is slidably connected in the buffer box, a buffer part is arranged in the buffer box, and the bearing plate is located at the top of the buffer part; the first compression spring cooperates with the gear rack to effectively reduce the impact when the pallet falls At the same time, the weight of the pallet is borne by multiple parts, which reduces the risk of damage to the same part due to excessive weight.

Description

A dyke rupture blocking bicycle trolley

technical field

The present invention relates to the technical field of dam burst sealing, in particular to a bicycle trolley for dam burst sealing.

Background technique

When a dyke burst occurs, the structural integrity of the dyke is destroyed, the stability of the dam body on both sides of the break is deteriorated, and the reliability of the dam body on both sides of the break is sharply reduced, and the traffic danger of large construction vehicles increases. The dam rupture is blocked, the construction efficiency is low, and the personnel safety is low.

At present, some places use helicopters to throw stones and sandbags, but the number of helicopters is small and it is difficult to dispatch. The cost of using helicopters is high, and the carrying capacity of helicopters is usually low. Transporting and throwing stones becomes a better choice.

When ships are transporting and throwing, they should try to avoid large transport vehicles boarding the ship to increase the effective transport volume. Therefore, it is necessary to propose a marine breach plugging automation equipment to solve the problem of difficult casting from manholes.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a bicycle trolley for dyke breach sealing, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present invention provides the following solutions: the present invention provides a dyke rupture blocking bicycle trolley, including a trolley, the trolley is placed on the hull, and the top of the trolley is fixed with two parallel arranged trolleys. A transport plate is slidably connected between the two columns, a first drive motor is driven and connected to the transport plate, two parallel telescopic arms are slidably connected on the top surface of the transport plate, and one end of the hull is A number of geobags are placed, and the other end of the hull is provided with a loading platform, and one side of the loading platform is provided with a manipulator, and the manipulator is fixed on the hull;

The loading platform includes a buffer box, a bearing plate is slidably connected in the buffer box, a buffer part is arranged in the buffer box, and the bearing plate is located at the top of the buffer part;

The buffer part includes a plurality of first compression springs arranged in the buffer box, a plurality of first gears are rotatably connected in the buffer box, a first rack is engaged with one side of the first gear, and the first gear The top of a rack is fixed on the bottom surface of the carrier plate, the other side of the first gear is engaged with a second rack, the top of the second rack protrudes from the carrier plate, and a number of the A tray is arranged between the top ends of the second racks, and the tray is used for receiving the geotextile bag.

Preferably, a plurality of positioning blocks are fixedly connected to the top of the carrying plate, a positioning groove is formed on the positioning blocks, a buffer spring is fixed to the top corner of the carrying plate, and the top of the buffer spring is abutted with a buffer spring. In the tray, a plurality of inserts are fixed on the bottom surface of the tray, and the inserts are detachably connected with the positioning groove.

Preferably, the buffer portion includes a plurality of first sleeves fixed on the bottom surface of the carrying plate, the first sleeves are located on both sides of the carrying plate, and the first sleeves are located on the same side of the carrying plate. The first sleeves are arranged at equal intervals, the first sleeve is provided with a second sleeve, the bottom end of the second sleeve is fixed on the bottom wall of the buffer tank, and the first sleeve is The first compression spring is sleeved with the outer side of the second sleeve.

Preferably, a fixing block is fixed on the outer side of the first sleeve, the top end of the fixing block is in contact with the bottom end of the bearing plate, and the bottom end of the fixing block is in contact with the first compression spring, A first support rod is rotatably connected to the opposite side walls between the fixed blocks, and a first slider is rotatably connected to the first support rod, and the first slider is slidably connected in the chute, the chute Fixed on the bottom wall of the buffer box, two second sliders are slidably connected in the chute, the two second sliders are located between the two first sliders, and the adjacent The first sliding block and the second sliding block and the adjacent two second sliding blocks are connected by a second spring, and the top end of the second sliding block is rotatably connected with a second support rods, and the two second support rods are rotatably connected to the same point on the bottom surface of the carrying plate.

Preferably, a plurality of rotating shafts are rotatably connected in the buffer box, the first gear is fixedly connected to the rotating shaft, and the second rack is slidably connected to the bearing plate.

Preferably, the trolley includes a vehicle body, a steering mechanism and a power mechanism are arranged in the vehicle body, the top of the vehicle body is fixedly connected with the column, the column is a hollow structure, and the column is rotatably connected with a A lead screw, the lead screw is connected to the first drive motor through a first transmission shaft, a third slider is slidably connected to the lead screw, and the third slider is slidably connected in the upright column, Two symmetrically arranged connecting rods are fixedly connected to the side wall of the third slider, a through groove is vertically opened on the side wall of the upright column, and the connecting rod is slidably connected in the through groove, and the two One end of the connecting rod protruding from the through slot is fixed with the transport tray.

Preferably, the transport tray includes an object tray, the tray is fixed between the two connecting rods, the bottom end of the tray is fixed with a second drive motor, the second drive motor The motor is driven and connected with two telescopic arms through the second transmission shaft, and the telescopic arms are slidably connected to the top surface of the carrier tray.

Preferably, two vertical plates arranged in parallel are fixed on the top surface of the loading tray, grooves are formed on the side walls of the two vertical plates that are far away from each other, and two opposite inner side walls of the telescopic arm are fixed on top of each other. A sliding bar is connected, and the sliding bar is slidably connected in the groove.

Preferably, the steering mechanism includes a steering motor fixed in the vehicle body, the output shaft of the steering motor extends out of the bottom surface of the vehicle body and is fixed with a second gear, and the second gear is engaged with a third tooth The two ends of the third rack are rotatably connected with two connecting blocks, the connecting blocks are rotatably connected to the bottom wall of the vehicle body, and the side walls of the connecting blocks are connected to the Roll the wheel.

Preferably, the power mechanism includes a third driving motor fixed in the vehicle body, and the third driving motor is drivingly connected with two driving rollers.

The invention discloses the following technical effects: in the present invention, a trolley is arranged on the hull, the trolley moves to the place where the geotextile bag is placed, the trolley transfers the geotechnical bag to the transport tray through the telescopic arm, and then the trolley moves to the position of the loading platform. On one side, extend the telescopic arm to transfer the geo-package to the top of the loading platform, the transport tray falls, the geo-bag falls on the loading platform, pull out the telescopic arm, the tray falls on the bearing plate, and the first The compression spring can effectively reduce the impact force on the hull when the pallet falls. When the carrier plate descends, the first rack moves down with the carrier plate, driving the first gear to rotate, and the first gear drives the second rack to rise, and finally abuts against the pallet. At the bottom, the weight of the tray will not completely fall on the bearing plate, and the service life of the bearing plate will be prolonged. Multiple parts are supported, avoiding the risk of damage to the same part due to excessive weight.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

Fig. 1 is the structural representation of a kind of dyke rupture blocking bicycle trolley of the present invention;

Fig. 2 is the structural representation of the trolley of the present invention;

Fig. 3 is the structural representation of the cargo platform of the present invention;

4 is a schematic structural diagram of a power mechanism and a steering mechanism of the trolley of the present invention;

Among them, 1, the car body; 2, the hull; 3, the carrier plate; 4, the buffer spring; 5, the pallet; 6, the positioning block; 7, the positioning groove; 8, the insert; barrel; 11, second sleeve; 12, first compression spring; 13, fixed block; 14, first support rod; 15, first slider; 16, chute; 17, second slider; 18, first Two supporting rods; 19, rotating shaft; 20, first gear; 21, first rack; 22, second rack; 24, column; 25, lead screw; 26, first transmission shaft; 27, first drive motor ; 28, the third slider; 29, the connecting rod; 30, the tray; 31, the second drive motor; 32, the second transmission shaft; 33, the telescopic arm; 34, the vertical plate; 35, the slider; 36, The second gear; 37, the third rack; 38, the connecting block; 39, the wheel axle; 40, the second spring; 41, the third drive motor; 42, the driven roller; 43, the driving roller.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

1-4, the present invention provides a dyke rupture blocking bicycle trolley, including a trolley, the trolley is placed on the hull 2, the top of the trolley is fixed with two parallel columns 24, between the two columns 24 A transport tray is slidably connected, a first drive motor 27 is driven and connected to the transport tray, and two parallel telescopic arms 33 are slidably connected on the top surface of the transport tray. A loading platform is provided, one side of the loading platform is provided with a manipulator, and the manipulator is fixed on the hull 2;

The loading platform includes a buffer box 9, a bearing plate 3 is slidably connected in the buffer box 9, a buffer part is arranged in the buffer box 9, and the bearing plate 3 is located at the top of the buffer part;

The buffer part includes a plurality of first compression springs 12 arranged in the buffer box 9, and a plurality of first gears 20 are rotatably connected in the buffer box 9. One side of the first gear 20 is meshed with a first rack 21, and the first rack 21 The top of the gear is fixed on the bottom surface of the carrier plate 3, the other side of the first gear 20 is engaged with a second rack 22, the top of the second rack 22 protrudes from the carrier plate 3, and one of the tops of the plurality of second racks 22 A tray 5 is arranged between, and the tray 5 is used to accept the geotextile bag 301 .

In the present invention, a trolley is set on the hull 2, the trolley moves to the place where the geotextile bag is placed, the trolley transfers the geotechnical bag 301 to the transport tray through the telescopic arm 33, and then the trolley moves to one side of the loading platform, and extends out. The telescopic arm 33 transfers the geobag 301 to the top of the loading platform, the transport tray falls, the tray 5 falls on the loading platform, and the telescopic arm 33 is pulled out. The first compression spring 12 provided at the bottom end of the carrier plate 3 can effectively reduce the impact force on the hull 2 when the pallet 5 falls. When the carrier plate 3 descends, the first rack 21 descends with the carrier plate and drives the first gear 20 to rotate. The first gear 20 drives the second rack 22 to rise, and finally abuts against the bottom of the tray 5 , so that the weight of the tray 5 does not completely fall on the carrier plate 3 and prolongs the service life of the carrier plate 3 . Among them, the manipulator in the device is in the prior art, which will not be described in detail.

To further optimize the solution, a number of positioning blocks 6 are fixedly connected to the top of the carrier plate 3, a positioning groove 7 is opened on the positioning block 6, a buffer spring 4 is fixed at the top corner of the carrier plate 3, and the top of the buffer spring 4 is abutted with a buffer spring 4. The tray 5 is fixed with a plurality of inserts 8 on the bottom surface of the tray 5 , and the inserts 8 are detachably connected with the positioning groove 7 . In this device, the positioning block 6 is arranged on the top surface of the carrier board 3, and when the tray 5 falls on the carrier board 3, the positioning groove 7 plays a guiding and positioning role for the tray 5, so that the tray 5 will not be offset, and at the same time, the positioning block 6 and the insert sheet 8 work together to leave a gap between the tray 5 and the carrier plate 3 to ensure that the telescopic arm 33 can extend into the gap to hold up the tray 5. At the same time, buffer springs 4 are provided at the corners of the carrier plate 3, which can reduce The impact force on the carrier plate 3 when the small tray 5 falls.

In a further optimized solution, the buffer portion includes a plurality of first sleeves 10 fixed on the bottom surface of the bearing plate 3 , a plurality of first sleeves 10 are located on both sides of the bearing plate 3 , and the first sleeves 10 are located on the same side of the bearing plate 3 , etc. The first sleeve 10 is provided with a second sleeve 11 , the bottom end of the second sleeve 11 is fixed on the bottom wall of the buffer tank 9 , and the outer sides of the first sleeve 10 and the second sleeve 11 are arranged at intervals. A first compression spring 12 is sleeved. The first sleeve 10 cooperates with the second sleeve 11 to play a guiding role, so that the bearing plate 3 slides in the vertical direction, and at the same time, it can also prevent the first compression spring 12 from deviating during compression, so as to cause the first compression spring 12 Damage problems arise.

The solution is further optimized. The outer side of the first sleeve 10 is fixed with a fixed block 13 , the top of the fixed block 13 is in contact with the bottom end of the carrier plate 3 , the bottom end of the fixed block 13 is in contact with the first compression spring 12 , and the fixed block 13 A first support rod 14 is rotatably connected to the opposite side walls between them, and a first slider 15 is rotatably connected to the first support rod 14. The first slider 15 is slidably connected in the chute 16, and the chute 16 is fixed to the buffer On the bottom wall of the box 9, two second sliders 17 are slidably connected in the chute 16. The two second sliders 17 are located between the two first sliders 15, and the adjacent first sliders 15 are connected to the first slider 15. The two sliding blocks 16 are connected with the adjacent two second sliding blocks 17 through the second spring 40 . The top end of the second sliding block 17 is rotatably connected with a second support rod 18 , and the two second support rods 18 The rotational connection is at the same point on the underside of the carrier plate 3 . The first sleeve drives the fixed block 13 to descend, and the fixed block 13 performs work on the first support rod 14 so that the first support rod 14 pushes the two first sliders 15 to move in opposite directions in the chute 16, and the two second sliders 17 Under the action of the second support rod 18, the reverse movement is performed, and the movement of each slider drives the second spring 40 to compress and stretch to buffer the impact force when the tray 5 falls. Among them, the first gear 20 and the first tooth The rack 21 and the second rack 22 are both located between the second chute 16 , and the first gear 20 and the first rack 21 and the second rack 22 do not interfere with the first support rod 14 .

In a further optimized solution, a plurality of rotating shafts 19 are rotatably connected in the buffer box 9 , the rotating shafts 19 are fixedly connected with the first gear 20 , and the second gear rack 22 is slidably connected to the bearing plate 3 . The carrier plate 3 is provided with a through hole, a square tube is fixedly installed in the through hole, the second rack 22 is slidably connected in the square tube, the lowest end of the square tube is higher than the highest point of the first gear 20 and the top end of the square tube is not. Contact with tray 5.

To further optimize the solution, the trolley includes a car body 1, a steering mechanism and a power mechanism are arranged in the car body 1, a column 24 is fixedly connected to the top of the car body 1, the column 24 is a hollow structure, and a lead screw 25 is rotatably connected in the column 24, The lead screw 25 is connected to the first drive motor 27 through the first transmission shaft 26. The lead screw 25 is slidably connected with a third sliding block 28. The third sliding block 28 is slidably connected in the column 24. Two connecting rods 29 arranged symmetrically are fixedly connected to the side wall, and a through slot is vertically opened on the side wall of the upright column 24. transport tray.

A reducer is fixedly connected to the output shaft of the first drive motor 27 , and the output shaft of the reducer is fixedly connected to the first transmission shaft 26 . There are two first bevel gears fixed on it, the first bevel gear is meshed with a second chasing wheel, the second bevel gear is fixed on the bottom end of the lead screw 25, and the first drive motor 27 rotates to drive the first transmission shaft 26 to rotate , which drives the lead screw 26 to rotate, and the lead screw 25 rotates to drive the third slider 28 to move up and down, which in turn drives and transports the tray to move up and down. The speed reducer is the prior art, which will not be described in detail. The speed reducer functions to reduce the rotational speed and increase the torque.

To further optimize the solution, the transport tray includes a carrier tray 30, the carrier tray 30 is fixed between the two connecting rods 29, the bottom end of the carrier tray 30 is fixed with a second drive motor 31, and the second drive motor 31 passes through the second drive motor 31. The transmission shaft 32 is drivingly connected with two telescopic arms 33 , and the telescopic arms 33 are slidably connected to the top surface of the tray 30 . The second drive motor 31 rotates the second transmission shaft 32 through gear transmission. Two fourth gears are fixed on the second transmission shaft 32, the fourth gears are engaged with a fourth rack, and the fourth rack is fixed on the telescopic arm At the bottom end of 33 , the second drive motor 31 extends or retracts the telescopic arm 33 through the second transmission shaft 32 .

To further optimize the solution, two vertical plates 34 arranged in parallel are fixed on the top surface of the loading tray 30 , grooves are formed on the side walls of the two vertical plates 34 away from each other, and two opposite inner side walls of the telescopic arm 33 are fixedly connected. There is a sliding bar 35, and the sliding bar 35 is slidably connected in the groove. The vertical plate 34 supports the telescopic arm 33, and the sliding bar 35 is used to prevent the telescopic arm 33 from tilting away from the vertical plate 34 when sliding.

To further optimize the solution, the steering mechanism includes a steering motor fixed in the vehicle body 1, the output shaft of the steering motor extends out of the bottom surface of the vehicle body 1 and is fixed with a second gear 36, and the second gear 36 is meshed with a third rack 37 Two connecting blocks 38 are rotatably connected to both ends of the third rack 37, the connecting blocks 38 are rotatably connected to the bottom wall of the vehicle body 1, and the side walls of the connecting blocks 38 are connected to driven rollers 42 through the wheel axle 39. . The steering motor drives the second gear 36 to rotate, and the second gear 36 drives the third rack 37 to move, thereby realizing the movement of the driven roller 42 and realizing the steering function.

In a further optimized solution, the power mechanism includes a third drive motor 41 fixed in the vehicle body 1 , and the third drive motor 41 is drivingly connected with two driving rollers 43 . The third driving motor 41 provides power for the driving roller 43 to drive the entire trolley to move.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, but not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those of ordinary skill in the art can Variations and improvements should fall within the protection scope determined by the claims of the present invention.

Claims (10)

1. A bicycle trolley for dyke burst plugging, characterized in that it comprises a trolley, the trolley is placed on the hull (2), and the top of the trolley is fixed with two uprights (24) arranged in parallel, A transport tray is slidably connected between the two vertical columns (24), a first drive motor (27) is drivingly connected to the transport tray, and two parallel telescopic arms (33) are slidably connected on the top surface of the transport tray. , one end of the hull (2) is placed with a number of geotextile bags (301), the other end of the hull (2) is provided with a loading platform, and one side of the loading platform is provided with a manipulator, and the manipulator is fixed on the on the hull (2); The loading platform includes a buffer box (9), a bearing plate (3) is slidably connected in the buffer box (9), a buffer portion is arranged in the buffer box (9), and the bearing plate (3) is located in the buffer box (9). the top end of the buffer; The buffer part includes a plurality of first compression springs (12) arranged in the buffer box (9), and a plurality of first gears (20) are rotatably connected in the buffer box (9). One side of 20) is engaged with a first rack (21), the top of the first rack (21) is fixed on the bottom surface of the carrier plate (3), and the other side of the first gear (20) A second rack (22) is engaged with one side, the top end of the second rack (22) protrudes from the carrier plate (3), and a tray is arranged between the top ends of the second racks (22). (5), the tray (5) is used for receiving the geotextile bag (301). 2. The bicycle trolley for dam burst sealing according to claim 1, characterized in that: a plurality of positioning blocks (6) are fixedly connected to the top of the bearing plate (3), and the positioning blocks (6) are provided with A positioning groove (7), a buffer spring (4) is fixedly connected to the top corner of the carrying plate (3), the top of the buffer spring (4) is abutted with the tray (5), and the tray ( 5) Several inserts (8) are fixedly fixed on the bottom surface, and the inserts (8) are detachably connected with the positioning groove (7). 3. The bicycle trolley for dam burst sealing according to claim 2, characterized in that: the buffer part comprises a plurality of first sleeves (10) fixed on the bottom surface of the bearing plate (3), a plurality of first sleeves (10) The first sleeves (10) are located on both sides of the carrying plate (3), the first sleeves (10) located on the same side of the carrying plate (3) are arranged at equal intervals, and the first sleeves (10) are arranged at equal intervals. (10) A second sleeve (11) is passed through the inside, the bottom end of the second sleeve (11) is fixed on the bottom wall of the buffer tank (9), and the first sleeve (10) ) and the outer side of the second sleeve (11) are sleeved with the first compression spring (12). 4. The bicycle trolley for dam burst sealing according to claim 3, characterized in that: a fixing block (13) is fixedly connected to the outer side of the first sleeve (10), and the top of the fixing block (13) is connected to the outer side of the first sleeve (10). The bottom end of the carrying plate (3) is in contact with the bottom end of the fixing block (13), and the bottom end of the fixing block (13) is in contact with the first compression spring (12). A first support rod (14) is rotatably connected, the first support rod (14) is rotatably connected with a first slider (15), and the first slider (15) is slidably connected in the chute (16), The sliding groove (16) is fixed on the bottom wall of the buffer box (9), and two second sliding blocks (17) are slidably connected in the sliding groove (16). The block (17) is located between the two first sliding blocks (15), and between the adjacent first sliding block (15) and the second sliding block (17) and the adjacent two sliding blocks (17). The second sliders (17) are connected by a second spring (40), and the top of the second slider (17) is rotatably connected with a second support rod (18), and the two second support rods (18) is rotatably connected to the same point on the bottom surface of the carrier plate (3). 5. The bicycle trolley for dam breach blocking according to claim 4, characterized in that: a plurality of rotating shafts (19) are rotatably connected in the buffer box (9), and the rotating shaft (19) is fixedly connected with the The first gear (20) and the second rack (22) are slidably connected to the bearing plate (3). 6 . The bicycle trolley for dam breach sealing according to claim 1 , wherein the trolley comprises a vehicle body ( 1 ), and a steering mechanism and a power mechanism are arranged in the vehicle body ( 1 ). The top end of the vehicle body (1) is fixedly connected with the upright column (24), the upright column (24) is a hollow structure, and a lead screw (25) is rotatably connected in the upright column (24), and the lead screw (25) The first drive motor (27) is drivingly connected through the first transmission shaft (26), and a third slider (28) is slidably connected to the lead screw (25). It is slidably connected in the upright column (24), two symmetrically arranged connecting rods (29) are fixedly connected to the side wall of the third slider (28), and the side wall of the upright column (24) is vertically opened There is a through slot, the connecting rod (29) is slidably connected in the through slot, and the transport tray is fixedly connected to one end of the two connecting rods (29) protruding from the through slot. 7. The bicycle trolley for dam breach sealing according to claim 6, characterized in that: the transport tray comprises a loading tray (30), and the loading tray (30) is fixed to the two connecting rods (30). 29), the bottom end of the carrier tray (30) is fixedly connected with a second drive motor (31), and the second drive motor (31) is connected with two telescopic arms through the second transmission shaft (32). (33), the telescopic arm (33) is slidably connected to the top surface of the object tray (30). 8. The bicycle trolley for dam breach sealing according to claim 7, wherein two vertical plates (34) arranged in parallel are fixed on the top surface of the loading tray (30). Grooves are formed on the side walls of the plates (34) away from each other, and sliding bars (35) are fixedly connected to the two opposite inner side walls of the telescopic arm (33), and the sliding bars (35) are slidably connected to the in the groove. 9 . The bicycle trolley for dam burst sealing according to claim 6 , wherein the steering mechanism comprises a steering motor fixed in the vehicle body ( 1 ), and the output shaft of the steering motor extends out of the A second gear (36) is fixedly connected to the bottom surface of the vehicle body (1), the second gear (36) is engaged with a third rack (37), and both ends of the third rack (37) are rotatably connected There are two connecting blocks (38), the connecting blocks (38) are rotatably connected to the bottom wall of the vehicle body (1), and the side walls of the connecting blocks (38) are axially connected through the wheel axle (39) There are driven rollers (42). 10. The bicycle trolley for dam breach sealing according to claim 6, characterized in that: the power mechanism comprises a third drive motor (41) fixed in the vehicle body (1), the third drive motor (41) The driving motor (41) is drivingly connected with two driving rollers (43).

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