CN113789709B

CN113789709B - Crack reinforcing apparatus for road and bridge

Info

Publication number: CN113789709B
Application number: CN202111280641.3A
Authority: CN
Inventors: 邢振华; 周广利; 侯跃敏; 巩文龙; 王洪革; 王彦伟; 彭汉杰; 于锋; 刘恩广; 刘鹏; 倪效虎; 高纪宏
Original assignee: Shandong Transportation Institute
Current assignee: Shandong Transportation Institute
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2023-05-23
Anticipated expiration: 2041-11-01
Also published as: CN113789709A

Abstract

The invention discloses a crack reinforcing device for roads and bridges, which comprises a pouring tool, a diaphragm and a pavement body, wherein a bottom plate is arranged on the outer wall of the bottom of the pouring tool, two mounting rods are arranged on the outer wall of one side of the bottom plate, the bottom ends of the two mounting rods are connected with the same partition plate, inserting blocks are arranged on the outer walls of two sides of the partition plate, the diaphragm is positioned under the partition plate, mounting boxes are arranged on the outer walls of two sides of the partition plate, clamping slots are arranged on the outer walls of one side of the two mounting boxes, the inserting blocks are in sliding connection with the inner walls of the clamping slots, through holes are formed in the outer walls of the top of the diaphragm, a main rod is connected to the inner wall of each through hole through bearings, and a second prismatic hole is formed in the top end of each main rod. The crack reinforcing device for the road and bridge has a more comprehensive and multi-layer reinforcing mode, and meanwhile, the direction of the force is converted by arranging a special structure, so that the effect of fully and stably maintaining cracks is achieved.

Description

Crack reinforcing apparatus for road and bridge

Technical Field

The invention relates to the technical field of road engineering, in particular to a crack reinforcing device for roads and bridges.

Background

Road engineering refers to the whole process of planning, designing, constructing, maintaining and managing work and engineering entities engaged in the whole process by taking roads as objects. Like any other kind of civil engineering, road engineering has obvious technical, economical and administrative characteristics. The road is generated along with the activities of human beings, promotes the progress and development of society, and is a sign of the symbolism and scientific progress of historical civilization. The original road is a small diameter formed by a human trampling. Later, better roads, earth-taking and pit-filling and wood-erecting and passing through the river are required to be convenient for passing. In the long-time use process of roads and bridges, regular maintenance is required, and bridge inhaul cables are mainly checked and pavement cracks are reinforced;

however, in the actual operation process, the existing crack reinforcing device for roads and bridges is mainly used for connecting two ends of a crack only through relatively fixed connecting tools, and then the crack is integrally filled by matching with concrete pouring.

Therefore, the prior art lacks a crack reinforcing device for roads and bridges, which can be used for multiple layers and angles.

Disclosure of Invention

The invention discloses a crack reinforcing device for roads and bridges, and aims to solve the technical problem in the prior art.

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

the utility model provides a crack reinforcing apparatus for road and bridge, includes pouring tool, diaphragm and road surface body, be equipped with the bottom plate on pouring tool's the bottom outer wall, be equipped with two installation bars on the outer wall of one side of bottom plate, two the bottom of installation bar is connected with same baffle, all be equipped with the inserted block on the outer wall of both sides of baffle, the diaphragm is located under the baffle, all be equipped with the mounting box on the outer wall of both sides of baffle, two all be equipped with the joint slot on the outer wall of one side of mounting box, the inserted block sliding grafting is on the inner wall of joint slot, be equipped with the through-hole on the outer wall of top of diaphragm, be connected with the mobile jib through the bearing on the inner wall of through-hole, the top of mobile jib is equipped with the second arris hole, two all be equipped with the reinforcing frame on the outer wall of bottom of mounting box, two the bottom fixed connection same connecting plate, the both sides of connecting plate bottom outer wall all are equipped with the pole, two the one end of prying bar has same cushion through hinge connection, the bottom of mobile jib is connected on the top outer wall of cushion, two the top outer wall that has the crack is equipped with on the side of the support plate through the hinge, the road surface body is equipped with the crack that can be dismantled on the road surface body, the road surface body is equipped with on the side of the crack that has been equipped with on the side crack on the side of the bridge, the bridge;

through being provided with connecting plate, pinch bar and side support board, when pouring the instrument from sieve fill pouring concrete material, motor synchronous start, motor drive driving gear in the work rotates, pivoted driving gear drives driven gear and rotates, driven gear rotates and drives sieve fill at the mounting hole internal rotation sieve and tremble, along with the completion of pouring the task, remove the instrument of pouring, both sides mounting box is stable with the reinforcing frame whole support between the crack together with the extension bar this moment, then install detachable deceleration strip on the top outer wall of diaphragm, the deceleration strip is located directly over the mobile jib, when the deceleration strip bears the pressure of driving such as car at every turn, the mobile jib will be vertical decurrent force conduction to the cushion, then by two pinch bars of direct support on the cushion respectively bearing, and the one end of two pinch bars all is connected with the side support board, the side support board is approximately transversely supported on the inner wall of crack, then light with the vertical direction's of main bearing force transform into the force of transverse support, transverse pavement body provides more stable holding power, thereby the crack after having guaranteed the reinforcement is more reliable, withstand voltage.

In a preferred scheme, the inner walls of the two mounting boxes are connected with adjusting screws through bearings, one ends of the two adjusting screws are provided with knobs, the inner walls of the mounting boxes are provided with extension rods distributed equidistantly, one ends of the extension rods are connected with sleeve blocks through hinges, the sleeve blocks are arranged on the outer walls of the adjusting screws, and one ends of the extension rods, far away from the adjusting screws, are provided with nail holes;

through being provided with mounting box and extension rod, install before waiting the crack of reinforcement at whole device, extension rod is shrink in the mounting box is inside, until the use bear between the crack, rotate the knob, the knob drives adjusting screw and rotates, pivoted adjusting screw drives hinged joint and spreads out at the extension rod of adjusting screw one end for expand the extension rod that is fan-shaped structure and make up the coverage ground of bigger area, then insert along the nail hole on the extension rod through strengthening the spike, guarantee on the ground level, the device can grasp cracked two sides and attach.

In a preferred scheme, two bidirectional screws are arranged on the outer walls of opposite sides of the two reinforcing frames, second bevel gears are arranged on the outer walls of the two bidirectional screws, first bevel gears are arranged on the outer walls of the main rods, the first bevel gears are meshed with the second bevel gears, sleeves are arranged on the outer walls of the two bidirectional screws close to the two ends, one end of each sleeve is provided with a mounting block, one side outer wall of each mounting block is provided with equidistantly distributed dispersing claws, the directions of the dispersing claws are aligned with the main rods, the outer walls of the tops of the sleeves are provided with equidistantly distributed discharge holes, two guide holes are arranged on the outer walls of opposite sides of the two reinforcing frames, and the guide holes are positioned at the connecting positions of the bidirectional screws penetrating through the reinforcing frames;

through being provided with guiding hole, sleeve pipe and bi-directional screw rod, the motor work, the meshing effect of cooperation driving gear and driven gear again, make the sieve fill in the mounting hole internal rotation, and the central point of sieve fill puts and the mobile jib top under the sieve fill is equipped with first arris hole and second arris hole respectively, and first arris hole and second arris hole size adaptation, peg graft one arris pole and inject the position back on the inner wall in first arris hole and second arris hole, the sieve fill rotates and can drive mobile jib together and rotate, the first bevel gear of pivoted mobile jib drive its outer wall rotates, then under the meshing effect of first bevel gear and second bevel gear, two bi-directional screw rods that install the second bevel gear begin to rotate, along with the rotation of bi-directional screw rod, the sleeve pipe that the bi-directional screw rod is close to both ends outer wall extends towards both ends, stop after the crack inner wall is touched to sleeve pipe one end, along with the unrestrained drop of concrete, the screw groove on the bi-directional screw rod is with the mode with the concrete from the conduction into the sleeve pipe inside, at last from the discharge hole on the sleeve pipe slowly falls to the crack inside outside the reinforcement frame, pour, the dispersion formula packing has guaranteed more fully filled concrete.

In a preferred scheme, a movable section is arranged on the outer wall of the main rod, a movable table is sleeved on the outer wall of the movable section, a balancing weight is arranged on the top outer wall of the movable table, an impact block is arranged on one side of the bottom outer wall of the movable table, a bearing block is arranged on one side of the top outer wall of the connecting plate, the bearing block and the impact block are both in spherical structures, and the bearing block is in contact with the impact block;

through being provided with movable table and balancing weight, along with the rotation of mobile jib, the sphere of movable table bottom striking piece and carrier block regularly collides, and the weight of the concrete of the continuous whereabouts wherein of balancing weight that installs at movable table top aggravates the movable table gradually keeps changing weight and beats the carrier block again repeatedly, has realized that the reinforcement frame shakes the sieve in pouring in-process automatically, supplementary reinforcing concrete material more tight packing.

In a preferred scheme, a mounting hole is formed in the center of the outer wall of the top of the partition plate, a sieve bucket is arranged on the inner wall of the mounting hole, the sieve bucket is of an irregular distributed type leakage hole structure, a driven gear is arranged on the circumferential outer wall of the sieve bucket, a first edge hole is formed in the center of the sieve bucket, the sizes of the first edge hole and the second edge hole are consistent, a fixed table is arranged on the outer wall of one side of the partition plate, a motor is arranged on the outer wall of the top of the fixed table, one end of an output shaft of the motor is fixedly connected with a driving gear, and the driving gear is meshed with the driven gear;

through being provided with the sieve and fight, motor synchronous start, during operation's motor drive driving gear rotates, and pivoted driving gear drives driven gear and rotates, and driven gear rotates and drives the sieve and fight at the mounting hole internal rotation sieve and shake, effectually pour into the concrete material dispersion that emptys into in the reinforcement frame, avoids pouring the position incomplete.

From the above, a crack reinforcing apparatus for road and bridge, including pouring instrument, diaphragm and road surface body, be equipped with the bottom plate on pouring instrument's the bottom outer wall, be equipped with two installation bars on one side outer wall of bottom plate, two the bottom of installation bar is connected with same baffle, all be equipped with the inserted block on the both sides outer wall of baffle, the diaphragm is located under the baffle, all be equipped with the mounting box on the both sides outer wall of baffle, two all be equipped with the joint slot on one side outer wall of mounting box, the inserted block slip grafting is on the inner wall of joint slot, be equipped with the through-hole on the top outer wall of diaphragm, there is the mobile jib through bearing connection on the inner wall of through-hole, the top of mobile jib is equipped with the second arris hole, two all be equipped with the reinforcing frame on the bottom outer wall of mounting box, two the bottom fixed connection same connecting plate of reinforcing frame, the both sides of connecting plate bottom outer wall all are equipped with the bar, two the one end of pinch bar has same cushion through hinged connection, the bottom connection is on the outer wall of cushion, two the top of mobile jib is equipped with the crack through the hinge connection, the top is equipped with the crack on the road surface body, the road surface body is equipped with the crack is equipped with on the side of the road surface body. The crack reinforcing device for the road and bridge has a more comprehensive and multi-layer reinforcing mode, and meanwhile, the direction of the force is converted by arranging a special structure, so that the effect of fully and stably maintaining cracks is achieved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a crack reinforcing device for roads and bridges according to the present invention.

Fig. 2 is a schematic diagram of a crack structure of a crack reinforcing device for roads and bridges according to the present invention.

Fig. 3 is a front view of a crack reinforcing device for roads and bridges according to the present invention.

Fig. 4 is a schematic diagram of a reinforcing frame of a crack reinforcing device for roads and bridges according to the present invention.

Fig. 5 is a schematic view of a structure of a spreader of a crack reinforcing apparatus for roads and bridges according to the present invention.

Fig. 6 is a schematic diagram of a partition structure of a crack reinforcing apparatus for roads and bridges according to the present invention.

Fig. 7 is a schematic diagram of a sieve bucket structure of a crack reinforcing device for roads and bridges.

FIG. 8 is a schematic diagram of a movable table of a crack reinforcement device for roads and bridges according to the present invention;

fig. 9 is a schematic diagram of a sleeve structure of a crack reinforcing device for roads and bridges according to the present invention;

fig. 10 is a schematic view of a dispersing claw structure of a crack reinforcing device for roads and bridges according to the present invention.

In the figure: 1. a bottom plate; 2. pouring tools; 3. a valve; 4. a communicating pipe; 5. a mounting box; 6. a reinforcing frame; 7. a connecting plate; 8. a pry bar; 9. a side support plate; 10. an extension rod; 11. a pavement body; 12. a slit body; 13. a cross plate; 14. a deceleration strip; 15. a bidirectional screw; 16. a sleeve; 17. a mounting block; 18. a dispersing claw; 19. grabbing soil nails; 20. a main rod; 21. a nail hole; 22. a clamping slot; 23. adjusting a screw; 24. a knob; 25. a mounting rod; 26. a motor; 27. screening bucket; 28. a partition plate; 29. a driven gear; 30. a first rib hole; 31. a movable table; 32. balancing weight; 33. an impact block; 34. a bearing block; 35. a cushion block; 36. a guide hole; 37. a second bevel gear; 38. a discharge hole; 39. a first bevel gear; 40. a second ridge hole; 41. a driving gear.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

The invention discloses a crack reinforcing device for roads and bridges, which is mainly applied to a working scene with a single reinforcing mode when reinforcing a bridge deck crack.

Referring to fig. 1 to 10, a crack reinforcing apparatus for road and bridge comprises a casting tool 2, a cross plate 13 and a pavement body 11, wherein a bottom plate 1 is arranged on the outer wall of the bottom of the casting tool 2, two mounting rods 25 are arranged on the outer wall of one side of the bottom plate 1, the bottom ends of the two mounting rods 25 are connected with a same partition plate 28, inserting blocks are arranged on the outer walls of two sides of the partition plate 28, the cross plate 13 is positioned under the partition plate 28, mounting boxes 5 are arranged on the outer walls of two sides of the partition plate 28, clamping slots 22 are arranged on the outer walls of one side of the two mounting boxes 5, the inserting blocks are slidably inserted on the inner walls of the clamping slots 22, through holes are arranged on the outer walls of the top of the cross plate 13, a main rod 20 is connected on the inner wall of the through bearings, the top end of the main rod 20 is provided with a second prismatic hole 40, reinforcing frames 6 are arranged on the outer walls of the bottom of the two mounting boxes 5, the bottom fixed connection of two reinforcement framves 6 is same connecting plate 7, the both sides of connecting plate 7 bottom outer wall all are equipped with pinch bars 8, there is same cushion 35 the one end of two pinch bars 8 through hinged joint, the bottom of mobile jib 20 is connected on the top outer wall of cushion 35, the other end of two pinch bars 8 all has side backing plate 9 through hinged joint, be equipped with the soil nail 19 that grabs that the equidistance distributes on the outer wall of one side of side backing plate 9, there is crack body 12 on the road surface body 11, reinforcement frame 6 is located crack body 12's inner wall, be equipped with deceleration strip 14 on diaphragm 13's the top outer wall, deceleration strip 14 sets up to detachable construction, convert vertical conduction's power into horizontal atress through mobile jib 20, crack department cross-section horizontal atress fracture has been avoided.

Referring to fig. 1 to 5, in a preferred embodiment, the inner walls of the two mounting boxes 5 are connected with adjusting screws 23 through bearings, one ends of the two adjusting screws 23 are provided with knobs 24, the inner walls of the mounting boxes 5 are provided with extension bars 10 distributed equidistantly, one ends of the extension bars 10 are connected with sleeve blocks through hinges, the sleeve blocks are arranged on the outer walls of the adjusting screws 23, one ends of the extension bars 10 far away from the adjusting screws 23 are provided with nail holes 21, and nails are arranged in the nail holes 21 to fix the whole device on the ground.

Referring to fig. 1, 3 and 4, in a preferred embodiment, two bidirectional screws 15 are disposed on the outer walls of opposite sides of two reinforcing frames 6, second bevel gears 37 are disposed on the outer walls of the two bidirectional screws 15, first bevel gears 39 are disposed on the outer walls of main rods 20, the first bevel gears 39 are meshed with the second bevel gears 37, sleeves 16 are disposed on the outer walls of the two bidirectional screws 15 close to two ends, one end of each sleeve 16 is provided with a mounting block 17, equidistant distributed dispersing claws 18 are disposed on one side outer wall of each mounting block 17, directions of the dispersing claws are aligned with the main rods 20, equidistant distributed discharging holes 38 are disposed on the top outer wall of each sleeve 16, two guide holes 36 are disposed on the outer walls of opposite sides of the two reinforcing frames 6, the guide holes 36 are located at connection positions of the bidirectional screws 15 penetrating through the reinforcing frames 6, and concrete is better guided to the outer sides of the reinforcing frames 6 through the guide holes 36.

Referring to fig. 6 to 8, in a preferred embodiment, a mounting hole is formed in the central position of the outer wall of the top of the partition 28, a sieve bucket 27 is formed on the inner wall of the mounting hole, the sieve bucket 27 is in an irregularly dispersed type leakage hole structure, a driven gear 29 is arranged on the circumferential outer wall of the sieve bucket 27, a first edge hole 30 is formed in the central position of the sieve bucket 27, the first edge hole 30 and a second edge hole 40 are consistent in size, a fixed table is arranged on the outer wall of one side of the partition 28, a motor 26 is arranged on the outer wall of the top of the fixed table, a driving gear 41 is fixedly connected to one end of an output shaft of the motor 26, the driving gear 41 is meshed with the driven gear 29, and concrete materials poured by the pouring tools 2 can be dispersed and poured into cracks by using the rotating sieve bucket 27.

Referring to fig. 1 and 8, in a preferred embodiment, a movable section is provided on the outer wall of the main rod 20, a movable table 31 is sleeved on the outer wall of the movable section, a balancing weight 32 is provided on the top outer wall of the movable table 31, an impact block 33 is provided on one side of the bottom outer wall of the movable table 31, a bearing block 34 is provided on one side of the top outer wall of the connecting plate 7, the bearing block 34 and the impact block 33 are both provided in a spherical structure, the bearing block 34 is in contact with the impact block 33, a communicating pipe 4 is provided on one side outer wall of the pouring tool 2, a valve 3 is provided on one side outer wall of the communicating pipe 4, the bottom end of the communicating pipe 4 is located right above the sieve bucket 27, the movable table 31 provided with the balancing weight 32 rotates, the impact block 33 on the bearing block 34 is provided with frequency, self-vibration is formed inside the device, and more tightness of filling of concrete materials is ensured.

Working principle: when the casting tool 2 is used, when concrete materials are poured into the screen bucket 27 from the casting tool 2, the motor 26 is synchronously started, the motor 26 in operation drives the driving gear 41 to rotate, the rotating driving gear 41 drives the driven gear 29 to rotate, the driven gear 29 rotates to drive the screen bucket 27 to rotate in the mounting hole for shaking, the casting tool 2 is moved away as the casting task is finished, the two side mounting boxes 5 and the extension rods 10 stably support the reinforcing frame 6 between cracks integrally, then the detachable deceleration strips 14 are mounted on the top outer wall of the diaphragm 13, before the reinforcing frame 6 is placed, the mounting boxes 5 bear the load between the cracks, the knob 24 is rotated, the knob 24 drives the adjusting screw 23 to rotate, the rotating adjusting screw 23 drives the extension rods 10 hinged to one end of the adjusting screw 23 to be dispersed, so that the extension rods 10 which are unfolded to be in a fan-shaped structure are combined to cover the ground with a larger area, then through the insertion of the reinforcing spike along the nail hole 21 on the extension rod 10, the bidirectional screw 15 starts to rotate, along with the rotation of the bidirectional screw 15, the sleeve 16 of the bidirectional screw 15 close to the outer walls of the two ends extends towards the two ends and is prolonged until one end of the sleeve 16 touches the inner wall of the crack and stops, along with the falling of concrete, the screw thread groove on the bidirectional screw 15 conducts the concrete material into the sleeve 16 from the guide hole 36 in a spiral conveying mode, finally slowly falls into the crack outside the reinforcing frame 6 from the discharge hole 38 on the sleeve 16 to fill, the collision block 33 at the bottom of the movable table 31 and the spherical surface of the bearing block 34 regularly collide, the weight of the movable table 31 is gradually weighted by the concrete of the balancing weight 32 mounted at the top of the movable table 31 and continuously falls into the movable table, the weight is kept to repeatedly strike the bearing block 34, the automatic vibrating screen shaking of the reinforcing frame 6 in the pouring process is realized.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a crack reinforcing apparatus for road and bridge, includes pouring instrument (2), diaphragm (13) and road surface body (11), its characterized in that, be equipped with bottom plate (1) on the bottom outer wall of pouring instrument (2), be equipped with two installation pole (25) on the outer wall of one side of bottom plate (1), two the bottom of installation pole (25) is connected with same baffle (28), all be equipped with the inserted block on the both sides outer wall of baffle (28), diaphragm (13) are located under baffle (28), all be equipped with mounting box (5) on the both sides outer wall of baffle (28), two all be equipped with joint slot (22) on the outer wall of one side of mounting box (5), the inserted block slip grafting is on the inner wall of joint slot (22), be equipped with the through-hole on the top outer wall of diaphragm (13), be connected with mobile jib (20) through the bearing on the inner wall of through-hole, the top of mobile jib is equipped with second arris hole (40), two all be equipped with on the outer wall of the bottom of mounting box (5) and consolidate frame (6), two the bottom of two (8) are equipped with two connecting plate (7) one end of same joint (8) are equipped with one end of connecting plate (35), the bottom ends of the main rods (20) are connected to the top outer wall of the cushion block (35), the other ends of the two prying bars (8) are connected with side support plates (9) through hinges, soil grabbing nails (19) distributed at equal intervals are arranged on the outer wall of one side of each side support plate (9), a crack body (12) exists on the pavement body (11), the reinforcing frame (6) is located on the inner wall of the crack body (12), a deceleration strip (14) is arranged on the top outer wall of the transverse plate (13), and the deceleration strips (14) are of a detachable structure;

the inner walls of the two mounting boxes (5) are connected with adjusting screws (23) through bearings, and one ends of the two adjusting screws (23) are provided with knobs (24);

extension rods (10) distributed at equal intervals are arranged on the inner wall of the mounting box (5), one end of each extension rod (10) is connected with a sleeve block through a hinge, the sleeve blocks are arranged on the outer wall of the adjusting screw rod (23), and a nail hole (21) is formed in one end, far away from the adjusting screw rod (23), of each extension rod (10);

two bidirectional screws (15) are arranged on the outer walls of the opposite sides of the two reinforcing frames (6), second bevel gears (37) are arranged on the outer walls of the two bidirectional screws (15), first bevel gears (39) are arranged on the outer walls of the main rods, and the first bevel gears (39) are meshed with the second bevel gears (37);

two bi-directional screw rods (15) are all equipped with sleeve pipe (16) on the outer wall that is close to both ends, and one end of sleeve pipe (16) is equipped with installation piece (17), is equipped with equidistant distributed dispersion claw (18) on the outer wall of one side of installation piece (17), and main pole (20) are all aimed at in the orientation of dispersion claw (18), and are equipped with discharge hole (38) that the equidistance distributes on the top outer wall of sleeve pipe (16).

2. A crack reinforcing device for roads and bridges according to claim 1, characterized in that two guide holes (36) are provided on the outer walls of the opposite sides of the two reinforcing frames (6), the guide holes (36) being located at the connection positions of the bidirectional screw rods (15) penetrating the reinforcing frames (6).

3. The crack reinforcing device for roads and bridges according to claim 1, wherein a mounting hole is formed in the central position of the outer wall of the top of the partition plate (28), a sieve bucket (27) is arranged on the inner wall of the mounting hole, the sieve bucket (27) is arranged into an irregularly-dispersed leak hole structure, a driven gear (29) is arranged on the outer circumferential wall of the sieve bucket (27), a first prismatic hole (30) is formed in the central position of the sieve bucket (27), and the first prismatic hole (30) and the second prismatic hole (40) are identical in size.

4. A crack reinforcing apparatus for roads and bridges according to claim 3, characterized in that a fixed table is arranged on the outer wall of one side of the partition board (28), a motor (26) is arranged on the outer wall of the top of the fixed table, one end of the output shaft of the motor (26) is fixedly connected with a driving gear (41), and the driving gear (41) is meshed with a driven gear (29).

5. The crack reinforcing device for roads and bridges according to claim 1, characterized in that a movable section is arranged on the outer wall of the main rod (20), a movable table (31) is sleeved on the outer wall of the movable section, a balancing weight (32) is arranged on the top outer wall of the movable table (31), an impact block (33) is arranged on one side of the bottom outer wall of the movable table (31), a bearing block (34) is arranged on one side of the top outer wall of the connecting plate (7), the bearing block (34) and the impact block (33) are both in spherical structures, and the bearing block (34) is contacted with the impact block (33).

6. The crack reinforcing device for roads and bridges according to claim 3, wherein a communicating pipe (4) is arranged on the outer wall of one side of the pouring tool (2), a valve (3) is arranged on the outer wall of one side of the communicating pipe (4), and the bottom end of the communicating pipe (4) is positioned right above the sieve bucket (27).