CN115710867A - Crack repairing device for bridge engineering - Google Patents

Abstract

The invention discloses a crack repairing device for bridge engineering, which comprises a moving platform, wherein a slurry injection mechanism is arranged on the moving platform, a fixing mechanism is arranged below the slurry injection mechanism, and a drilling mechanism is arranged on one side of the fixing mechanism. The invention has the advantages that the crack can be sealed, and the slurry is injected into the crack, so that the crack can be repaired conveniently.

Description

Crack repairing device for bridge engineering

Technical Field

The invention relates to the technical field of bridge engineering equipment, in particular to a crack repairing device for bridge engineering.

Background

The bridge has a service life, sometimes the bridge is damaged by cracks and the like in the using process due to weather or insufficient experience of a construction party, and the like.

Among the prior art, when filling up mud to the crack, directly irritate the crack with mud through the discharging pipe, treat that mud is dry the back, the clearance of polishing with ground, but it has some problems when using, because the crack top exposes in the outside, when filling up mud, directly irritates mud, makes mud flow out easily to can lead to the mud below the crack to fill not enough, influence cracked repair quality.

Disclosure of Invention

In view of the above drawbacks, the present invention provides a crack repairing apparatus for bridge engineering to solve the problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

a crack repairing device for bridge engineering comprises a mobile station, a slurry injection mechanism is arranged on the mobile station, a fixing mechanism is arranged below the slurry injection mechanism, a drilling mechanism is arranged on one side of the fixing mechanism,

the slurry injection mechanism comprises a stirring box fixedly arranged on the upper surface of a mobile platform, a circular through hole is formed in the upper end of the stirring box, a first rolling bearing is arranged in the circular through hole, a stirrer is arranged in the stirring box, the upper end of the stirrer penetrates through the first rolling bearing and extends to the outer side of the stirring box, a fixed sleeve is arranged on one side of the upper surface of the mobile platform, a movable piston is arranged in the fixed sleeve, a telescopic rod is arranged on one side of the movable piston, a guide slide way is arranged on one side of the upper surface of the mobile platform, a guide block is arranged in the guide slide way, one end of the telescopic rod is connected with the surface of one side of the guide block, a second rolling bearing is arranged on one side of the upper surface of the mobile platform, a transmission rod is arranged in the second rolling bearing, a rotating platform is arranged on the upper surface of the rotating platform, a first fixing rod is arranged on the upper surface of the guide block, a second fixing rod is arranged on the upper surface of the guide block, and the first fixing rod is connected with the second fixing rod through a transmission plate, the two ends of the transmission plate are provided with round holes, the two ends of the transmission plate are respectively sleeved outside the first fixing rod and the second fixing rod through the round holes, the upper ends of the first fixing rod and the second fixing rod are provided with round baffles, the upper end of the transmission rod is provided with a first one-way bearing, the outer side of the first one-way bearing is provided with a first bevel gear, one side of the upper surface of the mobile station is provided with a double-shaft output motor, one output end of the double-shaft output motor is provided with a speed reducer, the speed reducer is connected with a rotating rod through a coupler, one end of the rotating rod is provided with a third rolling bearing, the lower end of the third rolling bearing is fixedly arranged on the upper surface of the mobile station, one end of the rotating rod is provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the upper end of the rotating rod is provided with a third bevel gear, the fourth bevel gear is meshed with the third bevel gear, one side of the fixing sleeve is provided with a first one-way valve, the stirring box is connected with the inlet end of the first one-way valve through a discharging pipe, a grouting plate is arranged below the mobile station, a grouting pipe is arranged at the upper end of the grouting plate, a second one-way valve is arranged at one side of the fixed sleeve, the second one-way valve is connected with the grouting pipe through a flexible connecting pipe, the front end of the grouting plate is connected with a positioning plate through a rubber plate, a positioning rod is arranged at the lower end of the positioning plate,

the fixing mechanism comprises lifting plates located on two sides below the mobile station, a plurality of guide rods are arranged on the upper surface of the lifting plates, a plurality of guide holes are formed in the mobile station, the upper ends of the guide rods penetrate through the guide holes and extend to the upper surface of the mobile station, a lifting table is arranged above the mobile station, the lower surface of the lifting table is connected with the upper surface of the guide rods, the lower surface of the lifting table is connected with the upper surface of the mobile station through a plurality of first telescopic springs, guide wheels are arranged on the upper surface of the lifting table, inclined slide ways are arranged above the guide wheels, the upper ends of the guide wheels are located in the inclined slide ways, guide grooves are formed in two sides of the inclined slide ways, guide plates are arranged in the guide grooves, support rods are arranged on two sides of the lower surface of the guide plates, the lower ends of the support rods are connected with the upper surface of the mobile station, first racks are arranged on the upper surface of the inclined slide ways, second one-way bearings are arranged on the rotating rods, first gears are arranged on the outer sides of the second-way bearings, second racks are arranged on one sides of the first racks, third-way bearings, and second gears are arranged on the outer sides of the third-way bearings.

The drilling mechanism is including the circular through hole that is located mobile station one side, fourth antifriction bearing is installed to the upper and lower end in the circular through hole, be equipped with the transmission shaft in the circular through hole, the transmission shaft both ends pass fourth antifriction bearing and reach the mobile station outside, the fifth bevel gear is installed to the transmission shaft upper end, the sixth bevel gear is installed to biax output motor output, sixth bevel gear and the meshing of fifth bevel gear, it has square groove to open the transmission shaft below, be equipped with square lifter in the square groove, the drill bit is installed to square lifter lower extreme, upper surface and square lifter upper surface pass through the connection of second expanding spring in the square groove, circular fixed plate is installed in the square lifter outside, circular fixed plate top both sides are equipped with universal ball, universal ball passes through the connecting rod and is connected with lifter plate upper surface one side.

The improved brake pad is characterized in that a pushing handle is installed on one side of the upper surface of the mobile platform, universal wheels are installed at four corners of the lower surface of the mobile platform, a brake pad is installed on the universal wheel located on one side of the lower portion of the pushing handle, a pedal is arranged below the pushing handle, and two sides of the lower surface of the pedal are connected with the upper surface of the brake pad through connecting shafts.

The feed pipe is installed to agitator tank upper surface one side, and the fender lid is installed to the feed pipe upper end, and the detection tube is installed to the agitator tank upper end, is equipped with the lift post in the detection tube, and surface mounting has the floating block under the lift post.

The pressure valve is installed to fixed sleeve upper end one side, and the recovery tube is installed to the pressure valve exit end, and in the agitator tank was stretched to the recovery tube upper end, the bifurcated pipe was installed to recovery tube one side, and level sensor was installed to the bifurcated pipe exit end.

And protective pads are arranged on the lower surfaces of the grouting plate, the rubber plate and the positioning plate.

One side of the positioning rod is provided with a plurality of square notches.

A plurality of hooks are installed on two sides of the lower surface of the mobile station, and a plurality of connecting holes are formed in the grouting plate and the positioning plate.

The invention has the beneficial effects that: the slurry is put into the stirring box, the stirrer can be driven to stir through the rotation of the motor and the transmission of the gear, the slurry can be prevented from caking, when a crack is repaired, the drill bit can be driven to rotate through the motor, the crack can be drilled at a fixed point, then the grouting pipe is put into the crack, the positioning rod is put into a hole drilled by the drill bit, the slurry can be injected into the crack through the grouting pipe through the rotation of the motor and the transmission of the gear, the lifting plate can be driven to move downwards when the slurry is injected, the grouting plate and the positioning plate can be fixed through the lifting plate and compacted, the flowing range of the slurry can be limited through the lifting plate, the positioning plate and the positioning rod, the slurry can be prevented from flowing above the ground, after the crack is repaired, the pressure in the fixing sleeve can break the pressure valve, the detection can be carried out through the liquid level sensor, when the slurry in the recovery pipe is detected, the motor is turned off, when the slurry is injected into the crack, the next position can be drilled, the slurry can be conveniently filled into the crack at the next section, the working efficiency is improved, and the internal crack of the slurry can not be repaired, and the crack can be ensured.

Drawings

FIG. 1 is a schematic structural diagram of a crack repairing device for bridge engineering according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D;

FIG. 6 is an enlarged view of a portion of FIG. 1 at E;

FIG. 7 is an enlarged view of a portion of FIG. 1 at F;

FIG. 8 is a schematic view, partially in section, of the securing mechanism of the present invention;

FIG. 9 is a schematic top view of a portion of the securing mechanism of the present invention;

FIG. 10 is a schematic view, partly in section, of the drilling mechanism of the present invention;

in the figure, 1, a mobile station; 2. a stirring box; 3. a circular through hole; 4. a first rolling bearing; 5. a stirrer; 6. fixing the sleeve; 7. moving the piston; 8. a telescopic rod; 9. a guide chute; 10. a guide block; 11. a second rolling bearing; 12. a transmission rod; 13. a rotating table; 14. a first fixing lever; 15. a second fixing bar; 16. a drive plate; 17. a circular hole; 18. a circular baffle; 19. a first one-way bearing; 20. a first bevel gear; 21. a dual-shaft output motor; 22. a speed reducer; 23. rotating the rod; 24. a third rolling bearing; 25. a second bevel gear; 26. a third bevel gear; 27. a fourth bevel gear; 28. a first check valve; 29. a discharge pipe; 30. grouting plates; 31. a grouting pipe; 32. a second check valve; 33. a flexible connecting pipe; 34. a rubber plate; 35. positioning a plate; 36. positioning a rod; 37. a lifting plate; 38. a guide bar; 39. a guide hole; 40. a lifting platform; 41. a first extension spring; 42. a guide wheel; 43. inclining the slideway; 44. a guide groove; 45. a guide plate; 46. a support bar; 47. a first rack; 48. a second one-way bearing; 49. a first gear; 50. a second rack; 51. a third one-way bearing; 52. a second gear; 53. a circular through hole; 54. a fourth rolling bearing; 55. a drive shaft; 56. a fifth bevel gear; 57. a sixth bevel gear; 58. a square groove; 59. a square lifting rod; 60. a drill bit; 61. a second extension spring; 62. a circular fixing plate; 63. a ball transfer unit; 64. a connecting rod; 65. pushing the handle; 66. a universal wheel; 67. a brake pad; 68. treading a pedal; 69. a connecting shaft; 70. a feed tube; 71. a blocking cover; 72. a detection tube; 73. a lifting column; 74. a floating block; 75. a pressure valve; 76. a recovery pipe; 77. a bifurcated tube; 78. a liquid level sensor; 79. a protective pad; 80. a square notch; 81. hooking; 82. and (4) connecting the holes.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-10: in this embodiment:

the device is connected with an external power supply for supplying power, the external power supply is electrically connected with the controller, the double-shaft output motor 21 and the liquid level sensor 78 for supplying power, the model of the controller is UX-A-52 precision, and the control signal output end of the controller is electrically connected with the double-shaft output motor 21 and the liquid level sensor 78, so that the operation of the device is controlled.

The invention is characterized in that the structure design of the slurry injection mechanism is shown in the following figure 1, figure 2, figure 3 and figure 4, the slurry injection mechanism comprises a stirring box 2 fixedly arranged on the upper surface of a mobile station 1, a circular through hole 3 is formed in the upper end of the stirring box 2, a first rolling bearing 4 is arranged in the circular through hole 3, a stirrer 5 is arranged in the stirring box 2, the upper end of the stirrer 5 penetrates through the first rolling bearing 4 to extend to the outer side of the stirring box 2, a fixed sleeve 6 is arranged on one side of the upper surface of the mobile station 1, a movable piston 7 is arranged in the fixed sleeve 6, an expansion link 8 is arranged on one side of the movable piston 7, a guide slideway 9 is arranged on one side of the upper surface of the mobile station 1, a guide block 10 is arranged in the guide slideway 9, one end of the expansion link 8 is connected with the surface of one side of the guide block 10, a second rolling bearing 11 is arranged on one side of the upper surface of the mobile station 1, and a transmission rod 12 is arranged in the second rolling bearing 11, a rotating platform 13 is arranged on the upper surface of a transmission rod 12, a first fixing rod 14 is arranged on the upper surface of the rotating platform 13, a second fixing rod 15 is arranged on the upper surface of a guide block 10, the first fixing rod 14 and the second fixing rod 15 are connected through a transmission plate 16, round holes 17 are formed in two ends of the transmission plate 16, two ends of the transmission plate 16 are respectively sleeved on the outer sides of the first fixing rod 14 and the second fixing rod 15 through the round holes 17, a round baffle 18 is arranged at the upper ends of the first fixing rod 14 and the second fixing rod 15, a first one-way bearing 19 is arranged at the upper end of the transmission rod 12, a first bevel gear 20 is arranged at the outer side of the first one-way bearing 19, a double-shaft output motor 21 is arranged on one side of the upper surface of a mobile platform 1, a speed reducer 22 is arranged on one output end of the double-shaft output motor 21, the speed reducer 22 is connected with a rotating rod 23 through a coupler, and a third rolling bearing 24 is arranged at one end of the rotating rod 23, the lower end of a third rolling bearing 24 is fixedly arranged on the upper surface of the mobile station 1, one end of a rotating rod 23 is provided with a second bevel gear 25, the second bevel gear 25 is meshed with the first bevel gear 20, the upper end of the stirrer 5 is provided with a third bevel gear 26, one end of the rotating rod 23 is provided with a fourth bevel gear 27, the fourth bevel gear 27 is meshed with the third bevel gear 26, one side of a fixed sleeve 6 is provided with a first one-way valve 28, the stirring box 2 is connected with the inlet end of the first one-way valve 28 through a discharge pipe 29, a grouting plate 30 is arranged below the mobile station 1, the upper end of the grouting plate 30 is provided with a grouting pipe 31, one side of the fixed sleeve 6 is provided with a second one-way valve 32, the second one-way valve 32 is connected with the grouting pipe 31 through a flexible connecting pipe 33, the front end of the grouting plate 30 is connected with a positioning plate 35 through a rubber plate 34, the lower end of the positioning plate 35 is provided with a positioning rod 36 which can drive the stirrer 5 to rotate in the stirring box 2 through the rotation of a double-shaft output motor 21, can prevent the slurry from solidifying, and the slurry from solidifying can be pumped from the stirring box 2 through the operation of a crank block mechanism and the movement of a moving piston 7 in the fixed sleeve 6, thereby facilitating the crack repairing,

the present application is characterized in that the fixing mechanism is a structural design of a fixing mechanism, and referring to fig. 1, fig. 5, fig. 6 and fig. 9, the fixing mechanism includes lifting plates 37 located on two sides below a mobile station 1, a plurality of guide rods 38 are surface-mounted on the lifting plates 37, a plurality of guide holes 39 are opened on the mobile station 1, the upper ends of the guide rods 38 pass through the guide holes 39 and extend to the upper surface of the mobile station 1, a lifting table 40 is arranged above the mobile station 1, the lower surface of the lifting table 40 is connected with the upper surface of the guide rods 38 through a plurality of first expansion springs 41, a guide wheel 42 is surface-mounted on the lifting table 40, an inclined slide 43 is arranged above the guide wheel 42, the upper end of the guide wheel 42 is located in an inclined slide 43, guide grooves 44 are opened on two sides of the inclined slide 43, a guide plate 45 is arranged in the guide grooves 44, support rods 46 are arranged on two sides of the lower surface of the guide plate 45, the lower end of the support rod 46 is connected with the upper surface of the mobile station 1, a first rack 47 is surface-mounted on the inclined slide 43, a second unidirectional bearing 48 is mounted on the outer side of a second unidirectional bearing, a unidirectional bearing 51 capable of pushing mechanism capable of pushing slurry to one side of a second unidirectional slurry outlet motor 35 and a unidirectional bearing 51 capable of pushing motor capable of pushing the unidirectional slurry through a unidirectional bearing 51 and a unidirectional bearing 51 capable of pushing motor 35 and a unidirectional bearing 51 capable of driving rack mounted on one side of unidirectional bearing 51 capable of driving one-directional pushing one side of the second unidirectional bearing 35.

In the device, the electric equipment of the device is controlled by an external controller, the upper end of a lifting column 73 can be pushed out from a detection pipe 72 by the buoyancy force of a floating block 74 in slurry, when the slurry in a stirring box 2 is insufficient, the floating block 74 and the lifting column 73 move downwards under the action of gravity, the part of the lifting column 73 above the detection pipe 72 is small, a worker opens a blocking cover 71, the mixed slurry is added into the stirring box 1 through a feeding pipe 70, then the blocking cover 71 is covered, the worker hangs a positioning plate 35 and a grouting plate 30 on a hook 81 through a connecting hole 82, then moves a mobile station 1 to a designated position through a pushing handle 65 and a universal wheel 66, a positioning hole is firstly opened on the crack by using an electric drill, the ground is cleaned, the worker removes the grouting plate 30 and the positioning plate 35, puts the lower end of the grouting pipe 31 into the crack, the positioning plate 35 can be conveniently moved to the position through a rubber plate 34, then a positioning rod 36 can be placed in the positioning hole, the working person can move the positioning plate 68 and lock the universal wheel 66 to prevent the mobile station 1 from treading downwards,

when the double-shaft output motor 21 is started to rotate forwardly, the double-shaft output motor 21 can drive the rotating rod 23 to rotate after being decelerated by the reducer 22, the rotating rod 23 can drive the fourth bevel gear 27 to rotate, the fourth bevel gear 27 is meshed with the third bevel gear 26 to drive the third bevel gear 26 and the stirrer 5 to rotate, and then the slurry in the stirring box 2 can be stirred to prevent the slurry from being solidified, when the double-shaft output motor 21 rotates forwardly to drive the rotating rod 23 to rotate, the rotating rod 23 can drive the second bevel gear 25 to rotate, the second bevel gear 25 is meshed with the first bevel gear 20 to drive the first bevel gear 20, the first one-way bearing 19 and the transmission rod 12 to rotate, the transmission rod 12 can drive the rotating platform 13 to rotate, the guide slideway 9, the guide block 10, the rotating platform 13, the first fixed rod 14, the second fixed rod 15, the transmission plate 16 and the circular baffle plate 19 form a crank block structure, when the rotating platform 13 rotates, the guide block 10 can be driven to move back and forth in the guide slideway 9, when the guide block 10 moves in the direction far away from the fixed sleeve 6, the crack can be driven to the guide slideway 7, and can be prevented from the flexible pressure of the slurry-guiding piston 7 from flowing back into the second one-way, and flowing back of the guide sliding sleeve 32, and flowing back into the flexible connecting pipe, and flowing back of the slurry-way valve can be prevented from the flexible connecting pipe, when the slurry-guiding sleeve 6,

when the dual-shaft output motor 21 rotates to drive the rotating rod 23 to rotate, the rotating rod 23 can rotate in the third one-way bearing 51 and can not drive the third one-way bearing 51 to rotate, the rotating rod 23 can drive the second one-way bearing 48 and the first gear 49 to rotate, the first gear 49 is meshed with the first rack 47 and can drive the first rack 47 and the inclined slideway 43 to move towards one side, the guide plate 45 and the guide groove 44 can ensure the moving direction of the inclined slideway 43 and push the guide wheel 42 downwards through the inclined surface at the lower end of the inclined slideway 43, the guide wheel 42 can reduce the friction force when the inclined slideway 43 moves, when the guide wheel 42 moves downwards, the lifting platform 40 can move downwards and compress the first telescopic spring 41, when the lifting platform 40 moves downwards, the moving direction of the lifting platform 40 can be ensured through the guide rod 38 and the guide hole 39, when the lifting platform 40 moves downwards, the rotating rod 37 can move, when the first gear 49 pushes the first rack 47 to the limit position, the lifting platform 40 can push the lifting platform 37 to the limit position, at this time, the first gear 49 is disconnected with the first rack 49 and the first rack 47, the second rack 23 is not connected with the second rack 35, the lifting platform 35 can move downwards, the slurry can be prevented from leaking and the slurry injecting crack is blocked, when the slurry injecting pipe 30 is in the slurry injecting slide 30, the slurry injecting position is not blocked, the slurry injecting pipe 31, the slurry injecting plate 30, and the slurry injecting plate is stopped, the slurry injecting plate 30, the slurry injecting plate is stopped, the slurry injecting plate 30, and the slurry injecting plate is stopped,

when the double-shaft output motor 21 rotates forward, the sixth bevel gear 57 can be driven to rotate, the sixth bevel gear 57 is meshed with the fifth bevel gear 56 to drive the fifth bevel gear 56 and the transmission shaft 55 to rotate, the rotation shaft 55 can drive the square lifting rod 59 to rotate through the square groove 58, the square lifting rod 59 can drive the drill bit 60 to rotate, when the lifting plate 37 moves downwards, the universal ball 63 can be driven to move downwards through the connecting rod 64, the drill bit 60 is driven to move downwards through the circular fixing plate 62, the second telescopic spring 61 is stretched, and holes can be drilled on the ground,

after the crack is fully grouted, the slurry in the crack can not flow to other places due to the blocking of the protective pad 79 and the positioning rod 36, so that the crack is fully filled with the slurry, after the slurry in the crack is compacted, the pressure in the fixed sleeve 6 can be increased, the slurry in the fixed sleeve 6 can break through the pressure valve 75 and enter the recovery pipe 76, at the moment, the liquid level sensor 78 detects that the slurry exists in the recovery pipe 76, the double-shaft output motor 21 is automatically closed to rotate forwards,

when the double-shaft output motor 21 is started to rotate reversely, the double-shaft output motor 21 drives the rotating rod 23 to rotate reversely, the second bevel gear 25 can be driven to rotate, the second bevel gear 25 is meshed with the first bevel gear 20, and further, the first bevel gear 20 and the first one-way bearing 19 can be driven to rotate, the first one-way bearing 19 can rotate outside the transmission rod 12 and can not drive the rotating platform 13 to rotate, when the double-shaft output motor 21 drives the rotating rod 23 to rotate reversely, the rotating rod 23 can rotate in the second one-way bearing 48 and can not drive the second one-way bearing 48 to rotate, the rotating rod 23 can drive the third one-way bearing 51 and the second gear 52 to rotate, the second gear 52 is meshed with the second rack 50 and can drive the second rack 50 and the inclined slideway 43 to move towards the other side, the guide plate 45 and the guide groove 44 can ensure the moving direction of the inclined slideway 43, after the inclined slideway 43 is moved, the elevating platform 40 is pushed upward by the elastic force of the first extension spring 41, the elevating plate 37 is pulled upward by the connection of the guide rod 38, the positioning plate 35 and the grouting plate 30 are released to move easily when the elevating plate 37 is slightly lifted, the positioning plate 35 and the grouting plate 30 are lifted by the worker, the curing agent is added to the slurry to quickly solidify the slurry, the two-shaft output motor 21 is started to continuously reverse after the slurry is solidified, the inclined slide rail 43 is continuously moved to the other side, the elevating plate 37 is continuously moved upward, the drill 60 is pulled out from the positioning hole by the pulling force of the second extension spring 61 when the elevating plate 37 is moved upward, the two-shaft output motor 21 is closed to move the pedal 68 upward to release the brake pad 67, then, the positioning plate 35 and the grouting plate 30 are taken out, the positioning plate 35 and the grouting plate 30 are hung on the hook 81 through the connecting hole 82, the device is moved, and the crack repair is performed on the next position.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (8)

1. A crack repairing device for bridge engineering comprises a mobile station (1), and is characterized in that a slurry injection mechanism is arranged on the mobile station (1), a fixing mechanism is arranged below the slurry injection mechanism, a drilling mechanism is arranged on one side of the fixing mechanism,

the slurry injection mechanism comprises a stirring box (2) fixedly mounted on the upper surface of a mobile platform (1), a circular through hole (3) is formed in the upper end of the stirring box (2), a first rolling bearing (4) is mounted in the circular through hole (3), a stirrer (5) is arranged in the stirring box (2), the upper end of the stirrer (5) penetrates through the first rolling bearing (4) and extends to the outer side of the stirring box (2), a fixed sleeve (6) is mounted on one side of the upper surface of the mobile platform (1), a movable piston (7) is arranged in the fixed sleeve (6), a telescopic rod (8) is mounted on one side of the movable piston (7), a guide slide way (9) is mounted on one side of the upper surface of the mobile platform (1), a guide block (10) is arranged in the guide slide way (9), one end of the telescopic rod (8) is connected with the surface of one side of the guide block (10), a second rolling bearing (11) is mounted on one side of the upper surface of the mobile platform (1), a transmission rod (12) is mounted in the second rolling bearing (11), a rotating platform (13) is mounted on the upper surface of the transmission rod (12), a first fixing rod (14) is mounted on the upper surface of the rotating platform (13), a second fixing rod (15) is connected with a second fixing rod (15) through a second fixing rod (16), round holes (17) are formed in two ends of a transmission plate (16), round baffles (18) are installed at the upper ends of the first fixing rod (14) and the second fixing rod (15) at two ends of the transmission plate (16) respectively through the round holes (17) in a sleeved mode on the outer sides of the first fixing rod (14) and the second fixing rod (15), a first one-way bearing (19) is installed at the upper end of a transmission rod (12), a first bevel gear (20) is installed on the outer side of the first one-way bearing (19), a double-shaft output motor (21) is installed on one side of the upper surface of a mobile platform (1), a speed reducer (22) is installed at one output end of the double-shaft output motor (21), the speed reducer (22) is connected with a rotating rod (23) through a coupler, a third rolling bearing (24) is installed at one end of the rotating rod (23), a lower end of the third rolling bearing (24) is fixedly installed on the upper surface of the mobile platform (1), a second bevel gear (25) is installed at one end of the rotating rod (23), the second bevel gear (25) is engaged with the first bevel gear (20), a third bevel gear (26) is installed at the upper end of a stirrer (5), a fourth bevel gear (27) and a discharge pipe (28) are installed at one side of a fixed through a first one-way valve (6), a first one-way valve (28), a first one-way valve (6) and a first one-way valve (28), a first one-way valve (6) are installed at one side of a first discharge pipe (28), a first one-way valve (28), and a second one-way valve (28), a second one-way valve (28) and a second one-way valve (28) are installed at the other end of a second one-pipe (24) installed at the same side of a second one-way valve (24) and a second one-way valve (24) installed at the same side of a second bevel gear (24) and a second one-way valve (24) respectively A grouting plate (30) is arranged below the mobile station (1), a grouting pipe (31) is arranged at the upper end of the grouting plate (30), a second one-way valve (32) is arranged at one side of the fixed sleeve (6), the second one-way valve (32) is connected with the grouting pipe (31) through a flexible connecting pipe (33), a positioning plate (35) is connected at the front end of the grouting plate (30) through a rubber plate (34), a positioning rod (36) is arranged at the lower end of the positioning plate (35),

the fixing mechanism comprises lifting plates (37) positioned on two sides below a mobile platform (1), a plurality of guide rods (38) are arranged on the upper surface of each lifting plate (37), a plurality of guide holes (39) are formed in the mobile platform (1), the upper ends of the guide rods (38) penetrate through the guide holes (39) and extend to the upper surface of the mobile platform (1), a lifting platform (40) is arranged above the mobile platform (1), the lower surface of the lifting platform (40) is connected with the upper surface of the guide rods (38), the lower surface of the lifting platform (40) is connected with the upper surface of the mobile platform (1) through a plurality of first expansion springs (41), guide wheels (42) are arranged on the upper surface of the lifting platform (40), inclined slide ways (43) are arranged above the guide wheels (42), the upper ends of the guide wheels (42) are positioned in the inclined slide ways (43), guide grooves (44) are formed in two sides of the inclined slide ways (43), guide plates (45) are internally provided with guide plates (45), support rods (46) are arranged on two sides of the lower surfaces of the guide plates (45), the lower ends of the support rods (46) are connected with the upper surface of the mobile platform (1), a second rack (47) is arranged on the upper surface of a first gear slide way (43), a second rack (48) is arranged on one-way bearing (48), a first rack (48) and a second rack (48) are arranged on one-way bearing (48), a third one-way bearing (51) is installed on one side of the second one-way bearing (48), and a second gear (52) is installed on the outer side of the third one-way bearing (51).

2. The crack repairing device for the bridge engineering according to claim 1, wherein the drilling mechanism comprises a circular through hole (53) located on one side of the mobile station (1), fourth rolling bearings (54) are installed at the upper end and the lower end in the circular through hole (53), a transmission shaft (55) is arranged in the circular through hole (53), two ends of the transmission shaft (55) extend to the outer side of the mobile station (1) through the fourth rolling bearings (54), a fifth bevel gear (56) is installed at the upper end of the transmission shaft (55), a sixth bevel gear (57) is installed at the output end of the double-shaft output motor (21), the sixth bevel gear (57) is meshed with the fifth bevel gear (56), a square groove (58) is formed below the transmission shaft (55), a square lifting rod (59) is arranged in the square groove (58), a drill bit (60) is installed at the lower end of the square lifting rod (59), the upper surface in the square groove (58) and the upper surface of the square lifting rod (59) are connected through a second telescopic spring (61), a circular fixing plate (62) is installed at the outer side of the square lifting rod (59), universal balls (63) are arranged on two sides of the circular fixing plate (62), and universal connecting rod (64).

3. The crack repairing device for the bridge engineering according to claim 1, wherein a pushing handle (65) is installed on one side of the upper surface of the moving platform (1), universal wheels (66) are installed at four corners of the lower surface of the moving platform (1), a brake pad (67) is installed on the universal wheel (66) located on one side below the pushing handle (65), a pedal (68) is arranged below the pushing handle (65), and two sides of the lower surface of the pedal (68) are connected with the upper surface of the brake pad (67) through a connecting shaft (69).

4. The crack repairing device for the bridge engineering according to claim 1, wherein a feeding pipe (70) is installed on one side of the upper surface of the stirring box (2), a blocking cover (71) is installed at the upper end of the feeding pipe (70), a detection pipe (72) is installed at the upper end of the stirring box (2), a lifting column (73) is arranged in the detection pipe (72), and a floating block (74) is installed on the lower surface of the lifting column (73).

5. Crack repair device for bridge engineering according to claim 1, characterized in that a pressure valve (75) is installed on one side of the upper end of the fixed sleeve (6), a recovery pipe (76) is installed at the outlet end of the pressure valve (75), the upper end of the recovery pipe (76) extends into the stirring tank (2), a branch pipe (77) is installed on one side of the recovery pipe (76), and a liquid level sensor (78) is installed at the outlet end of the branch pipe (77).

6. Crack repair device for bridge engineering according to claim 1, characterized in that the lower surfaces of the grouting plate (30), the rubber plate (34) and the positioning plate (35) are provided with protective pads (79).

7. The crack repairing device for bridge engineering as claimed in claim 1, wherein the positioning rod (36) has a plurality of square notches (80) formed at one side thereof.

8. The crack repairing device for bridge engineering according to claim 1, wherein a plurality of hooks (81) are installed on both sides of the lower surface of the moving table (1), and a plurality of connecting holes (82) are opened on the grouting plate (30) and the positioning plate (35).

Images