CN112832149B - Culvert construction equipment and construction method - Google Patents

Abstract

The utility model relates to a culvert construction equipment, it includes the equipment body, be provided with the rust cleaning subassembly in the equipment body, welding subassembly and transmission subassembly, the welding subassembly includes the welding machine body, electric welding gun and bonding all are connected with welding machine body electricity, welding machine body and equipment body fixed connection, the rust cleaning subassembly includes first driving motor and a plurality of steel wire wheel, a plurality of steel wire wheels all rotate with the equipment body and are connected, first driving motor and equipment body fixed connection, and first driving motor is connected with a plurality of steel wire wheel transmissions, the transmission subassembly includes second driving motor and a plurality of transmission roller, a plurality of transmission rollers all rotate with the equipment body and are connected, and second driving motor is connected with a plurality of transmission roller transmissions, second driving motor and equipment body fixed connection. This application has reduced the transport of staff to the reinforcing bar, and then has reduced staff's work load. The application also provides a culvert construction method which has the effect of improving the culvert construction quality.

Description

Culvert construction equipment and construction method

Technical Field

The application relates to the technical field of culvert construction, in particular to culvert construction equipment and a culvert construction method.

Background

With the emphasis of the country on the infrastructure, more and more urban roads and more culverts are provided, and the culverts in the urban road system not only undertake the drainage task, but also more importantly meet the smooth passing of people and vehicles. A large amount of steel bars are needed in the construction process of the culvert, the steel bars mainly bear tensile stress in concrete, and the deformed steel bars can better bear the action of external force due to the fact that the ribs and the concrete have larger bonding capacity. When the culvert is constructed, the steel bars need to be transported to a construction site, and the surfaces of the steel bars are easy to rust due to the fact that air of the construction site is wet and cold; because the length of the steel bars is constant, when in use, a plurality of sections of the steel bars are required to be welded together. If the embroidery on the surface of the steel bar is not processed in time when the culvert is used, the adhesion between the steel bar and the concrete is affected, and the construction quality of the culvert is affected.

In the correlation technique, when handling the reinforcing bar, need use rust cleaning equipment earlier and clear up the iron rust on reinforcing bar surface, then use the electric welding machine with the welding of multistage reinforcing bar together, and then make the length of reinforcing bar satisfy the construction standard, increase the construction quality of culvert.

In view of the above-mentioned related technologies, the inventor thinks that when processing the reinforcing bar, the staff is required to process the rust on the surface of the reinforcing bar, and then the multi-section reinforcing bar is welded together, the staff is required to carry the reinforcing bar for many times, and then there is the defect that the amount of labour of the staff is increased.

Disclosure of Invention

In order to alleviate the problem that the staff increase staff's amount of labour when the staff handles the reinforcing bar, this application provides a culvert construction equipment.

The application provides a culvert construction equipment adopts following technical scheme:

the utility model provides a culvert construction equipment, includes the equipment body, be provided with rust cleaning subassembly, welding subassembly and transmission subassembly in the equipment body, the welding subassembly includes welding machine body, electric welding gun and bonding all are connected with welding machine body electricity, welding machine body and equipment body fixed connection, the rust cleaning subassembly includes first driving motor and a plurality of steel wire wheel, and is a plurality of the steel wire wheel all rotates with the equipment body to be connected, first driving motor and equipment body fixed connection, and first driving motor is used for driving a plurality of steel wire wheels, the transmission subassembly includes second driving motor and a plurality of transmission roller, and is a plurality of the transmission roller all rotates with the equipment body to be connected, and second driving motor is connected with a plurality of transmission roller transmission, second driving motor and equipment body fixed connection.

By adopting the technical scheme, when the construction equipment is used for removing rust on the steel bars, the first driving motor and the second driving motor are started, the first driving motor drives the plurality of steel wire wheels, then the plurality of steel wire wheels rotate, the second driving motor drives the plurality of transmission rollers, then the steel bars penetrate into the equipment body, the transmission rollers transmit the steel bars, and after the steel bars are contacted with the steel wire wheels, the steel wire wheels and the steel bars move relatively, so that the steel wire wheels clean iron rust on the surfaces of the steel bars; after in the reinforcing bar got into the equipment body completely, penetrate the equipment body with next reinforcing bar in for the surface of steel wire wheel pair next reinforcing bar derusts, when two reinforcing bars moved to electric welding gun position, bond and reinforcing bar conflict, start the welding machine body, the end welding that electric welding gun was close to each other to two reinforcing bars is in the same place, and then makes the fixed connection between two reinforcing bars, this in-process has reduced the staff and has carried the number of times to the reinforcing bar, finally reach the effect that reduces staff's work load.

Optionally, a plurality of limiting rollers are arranged in the equipment body, the plurality of limiting rollers are divided into two rows, the two rows of limiting rollers are arranged at intervals, the plurality of limiting rollers are rotatably connected with the equipment body, and the plurality of limiting rollers are perpendicular to the conveying rollers.

Through adopting above-mentioned technical scheme, when the transmission roller transmits the reinforcing bar, start second driving motor, second driving motor drives the transmission roller, then penetrate the reinforcing bar in the equipment body, make the reinforcing bar be located between two rows of spacing rollers simultaneously, then make reinforcing bar and transmission roller conflict, then the transmission roller transmits the reinforcing bar, carry out the in-process of transmitting at the transmission roller to the reinforcing bar, spacing roller is spacing to the motion of reinforcing bar, thereby it takes place in the skew condition to reduce the reinforcing bar at the in-process of being conveyed, and then stability when increasing the reinforcing bar and being transmitted.

Optionally, the steel wire wheel is arranged in parallel with the conveying roller, and the steel wire of the steel wire wheel is arranged towards the top of the equipment body.

Through adopting above-mentioned technical scheme, when the wire wheel was to the reinforcing bar rust cleaning, relative motion took place for wire wheel and reinforcing bar, made then the wire wheel apply for reinforcing bar perpendicular to reinforcing bar length direction's power to make the reinforcing bar rotate around the central axis of self under the effect of spacing roller, and then make all can with the contact of wire wheel of the week side of reinforcing bar, finally increase the rust cleaning effect on wire wheel pair reinforcing bar surface.

Optionally, a bending mechanism is arranged in the device body, and the bending mechanism is used for spirally winding two adjacent steel bars together.

Through adopting above-mentioned technical scheme, when the part that two adjacent reinforcing bars overlap each other moved to the bending mechanism position, bending mechanism carried out the operation to two adjacent reinforcing bars, and then made the partial spiral winding that adjacent reinforcing bar overlaps each other together, finally reached the connection stability that increases two adjacent reinforcing bars.

Optionally, the bending mechanism includes a first clamping assembly and a second clamping assembly, the first clamping assembly and the second clamping assembly are arranged in parallel, the first clamping assembly and the second clamping assembly are both arranged perpendicular to the direction in which the steel bars are conveyed, and the first clamping assembly and the second clamping assembly are both rotatably connected with the equipment body.

Through adopting above-mentioned technical scheme, when two adjacent reinforcing bars moved to between first centre gripping subassembly and the second centre gripping subassembly, first centre gripping subassembly and second centre gripping subassembly all carried out the centre gripping to two reinforcing bars, then rotate first centre gripping subassembly and second centre gripping subassembly for the rotation direction of first centre gripping subassembly and second centre gripping subassembly is opposite, thereby makes the overlap spiral winding of two adjacent reinforcing bars together, and then realizes that two adjacent reinforcing bar overlap spiral winding is in the same place.

Optionally, the first clamping assembly includes a first clamping ring and two first clamping plates, the two first clamping plates are arranged in parallel, the two first clamping plates are both slidably connected with the first clamping ring, the sliding direction of the two first clamping plates is a direction close to or far away from the central axis of the first clamping ring, a first air cylinder is fixedly connected to each of the two sides of the two first clamping plates, which are away from each other, the cylinder body of the first air cylinder is fixedly connected with the first clamping ring, the piston rod of the first air cylinder is vertically and fixedly connected with the first clamping plate, and the first clamping ring is rotatably connected with the device body; the second clamping assembly comprises a second clamping ring and two second clamping plates, the second clamping plates are arranged in parallel, the second clamping plates are connected with the second clamping ring in a sliding mode, the sliding direction of the second clamping plates is the direction close to or far away from the central axis of the second clamping ring, the second clamping plates are connected with second cylinders fixedly on the side faces, away from each other, of the second clamping plates, the cylinder body of each second cylinder is fixedly connected with the second clamping ring, the piston rod of each second cylinder is fixedly connected with the second clamping plates, and the second clamping rings are rotatably connected with the equipment body.

By adopting the technical scheme, when the overlapped parts of two adjacent steel bars penetrate into the first clamping ring and the second clamping ring, the first air cylinder and the second air cylinder are started, the first air cylinder drives the first clamping plates, so that the two first clamping plates move towards the direction of mutual approaching, and the two first clamping plates clamp one end of the overlapped part of the two steel bars together; the second cylinder drives the second grip block, thereby make two second grip blocks move towards the direction that is close to each other, two second grip blocks are in the same place two mutual overlapping portions's of reinforcing bar other end centre gripping, then drive first grip ring and second grip ring, make first grip ring and second grip ring rotate towards opposite direction, and then make two mutual overlapping portions spiral winding of reinforcing bar together, finally reach the convenient effect of being in the same place to two reinforcing bar centre grippings.

Optionally, the bending mechanism further includes a first driving assembly and a second driving assembly, the first driving assembly is disposed corresponding to the first clamping ring, and the first driving assembly is configured to drive the first clamping ring; the second driving assembly is arranged corresponding to the second clamping ring and used for driving the second clamping ring.

Through adopting above-mentioned technical scheme, two first grip blocks and two second grip blocks are in the same place the back to the partial centre gripping of two reinforcing bar overlaps, start first drive assembly and second drive assembly, first drive assembly drives first grip ring, second drive assembly drives the second grip ring, and then make first grip ring and second grip ring rotate towards opposite direction, and then make the partial spiral winding of two reinforcing bar mutual overlaps together, finally realize the automatic of first grip ring and second grip ring and rotate.

Optionally, the first driving assembly includes a first stepping motor, a first gear ring and a first gear, the first gear is coaxially and fixedly connected with an output shaft of the first stepping motor, the first gear is engaged with the first gear ring, the first gear ring is coaxially and fixedly connected with the first clamping ring, and the first stepping motor is fixedly connected with the device body; the second driving assembly comprises a second stepping motor, a second gear ring and a second gear, the second gear is coaxially and fixedly connected with an output shaft of the second stepping motor, the second gear is meshed with the second gear ring, the second gear ring is coaxially and fixedly connected with the second clamping ring, and the second stepping motor is fixedly connected with the equipment body.

By adopting the technical scheme, when the first clamping ring is driven, the first stepping motor is started, the first stepping motor drives the first gear to rotate, so that the first gear drives the first gear ring to rotate, and the first gear ring drives the first clamping ring to rotate; the second step motor is started, the second step motor drives the second gear to rotate, the second gear drives the second gear ring to rotate, the second gear ring drives the second clamping ring to rotate, meanwhile, the first clamping ring and the second clamping ring rotate towards opposite directions, and then the two steel bars are overlapped to form a spiral winding together, and finally the automatic rotation of the first clamping ring and the second clamping ring is achieved.

The invention also provides a culvert construction method, which comprises the following steps:

optionally, S1: foundation pit lofting: measuring longitudinal and transverse axes of the foundation at the lofting position and a foundation control pile;

s2: excavation of a foundation pit: excavating a foundation pit by manually matching an excavator according to the geological characteristics of the location of the culvert project;

s3: checking and accepting the foundation pit: detecting the plane position, the size and the elevation of the substrate, checking whether the geological condition and the bearing capacity of the substrate conform to the design and whether the bearing capacity meets the design requirement;

s4: substrate treatment: performing base treatment by adopting graded broken stones meeting design requirements according to a design drawing;

s5: installing a basic template: assembling the templates according to the geometric size of the culvert foundation during installation;

s6: and (3) construction of foundation concrete: mixing concrete, transporting the concrete, pouring the concrete, and pouring the foundation concrete in a segmented and horizontal layering manner, wherein the thickness of each layer is not more than 30 cm;

s7: concrete health preserving: watering and maintaining covering soil and wood, controlling humidity, regulating and controlling humidity, and maintaining for 7 days;

s8: installing the bench body steel bars: removing dirt and rust on the surfaces of the steel bars, welding a plurality of sections of steel bars together, spirally winding the overlapped parts of the two steel bars together when welding the adjacent steel bars, and then welding the adjacent steel bars;

s9: installing a platform body template: the template adopts a qualitative steel mould, and a small hoisting machine is matched with manual installation;

s10, pouring concrete: concrete pouring is carried out in a crane feeding mode;

s11: concrete health preserving: watering and maintaining covering earthwork parts, controlling humidity, regulating and controlling temperature, and maintaining for not less than 7 days;

s12: setting a settlement joint: setting a settlement joint with the width of 1-2cm at intervals of 4-6m on the platform body and the foundation;

s13: prefabricating and installing a cover plate: the prefabricated cover plate is prefabricated in a prefabricated yard, transported to a construction site and hoisted by adopting a hoisting ring.

Through adopting above-mentioned technical scheme, this construction method can increase the wholeness of reinforcing bar through being in the same place multistage reinforcing bar fixed connection, increases the intensity after the culvert is stereotyped then, through the health preserving to the concrete, can reduce the condition emergence that the crackle appears in the surface of concrete, through setting up the subsiding crack, can reduce the culvert because of the damage that the part subsides whole the cause of culvert.

Optionally, the method further comprises the following steps:

s14: and (4) import and export construction: building masonry in layers, namely cleaning a first layer of building blocks and cleaning rubbles;

s15: back filling of the table back: measuring and lofting, cleaning and rolling a substrate, jointing a roadbed, excavating a step, and backfilling and compacting coarse sand layer by layer.

By adopting the technical scheme, the inlet and the outlet of the culvert are constructed, the attractiveness of the culvert can be improved, the force borne by the culvert under the impact force of water is increased, when water flows exist in the culvert, the inlet and the outlet guide the culvert, the impact of water on soil on the periphery of the culvert is reduced, the table back is backfilled with coarse sand, the hydrophobicity of the table back is increased, and the damage of the water on the table back is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the equipment body, the rust removing assembly, the welding assembly and the transmission assembly, when the reinforcing steel bars are subjected to rust removal, one end of each reinforcing steel bar penetrates into the equipment body, then the transmission assembly and the rust removing assembly are started, the transmission assembly transmits the reinforcing steel bars, the rust removing assembly removes rust on the surfaces of the reinforcing steel bars, after the reinforcing steel bars completely move into the equipment body, the next reinforcing steel bar penetrates into the equipment body, the end parts, close to each other, of the adjacent reinforcing steel bars are arranged in an overlapped mode, when the overlapped parts of the two reinforcing steel bars move to the position of the welding assembly, the welding assembly welds the overlapped parts of the two reinforcing steel bars together, and then rust removal and welding of the reinforcing steel bars are achieved, in the process, carrying of the reinforcing steel bars by workers is reduced, and further workload of the workers is reduced;

2. by arranging the limiting roller, when the transmission roller transmits the reinforcing steel bar, the limiting roller limits the movement of the reinforcing steel bar, so that the situation of deflection in the movement process of the reinforcing steel bar is reduced;

3. through setting up bending mechanism, when the position at bending mechanism place was moved to the overlap portion of two reinforcing bars, bending mechanism twined the part spiral that two reinforcing bars overlapped each other together, and then increased two adjacent steel bar connection's stability.

Drawings

FIG. 1 is a schematic structural view of the culvert construction equipment of the present application;

FIG. 2 is another perspective structural view of the culvert construction equipment of the present application, primarily illustrating welded assemblies;

FIG. 3 is a schematic structural view of a transfer assembly in the culvert construction equipment of the present application;

FIG. 4 is a schematic structural view of a rust removing assembly in the culvert construction equipment of the present application;

FIG. 5 is a schematic view of a welded assembly in the culvert construction equipment of the present application.

Description of reference numerals: 100. an apparatus body; 110. a sliding plate; 111. a third cylinder; 200. a transmission assembly; 210. a second drive motor; 211. a limiting roller; 220. a transfer roller; 221. an anti-slip groove; 222. a first pulley; 300. a rust removal assembly; 310. a first drive motor; 311. a second pulley; 320. a wire wheel; 321. a rotating shaft; 322. a nut; 400. a bending mechanism; 410. a first clamping assembly; 411. a first clamp ring; 412. a first clamping plate; 413. a first cylinder; 420. a second clamping assembly; 421. a second clamp ring; 422. a second clamping plate; 423. a second cylinder; 430. a first drive assembly; 431. a first stepper motor; 432. a first gear; 433. a first ring gear; 440. a second drive assembly; 441. a second stepping motor; 442. a second gear; 443. a second ring gear; 500. welding the assembly; 510. a welder body; 520. an electric welding gun; 530. bonding; 600. and (5) reinforcing steel bars.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses culvert construction equipment.

Referring to fig. 1 and 2, a culvert construction apparatus includes an apparatus body 100, and a transfer assembly 200, a rust removing assembly 300, a bending mechanism 400, and a welding assembly 500 are provided in the apparatus body 100. The transmission assembly 200 is used for transmitting the steel bars 600 penetrating into the device body 100, the rust removing assembly 300 is used for removing rust on the surfaces of the steel bars 600, the bending mechanism 400 is used for spirally winding overlapped parts of two adjacent steel bars 600 together, and the welding assembly 500 is used for welding the spirally wound parts of two adjacent steel bars 600 together.

Referring to fig. 2 and 3, the conveying assembly 200 includes a second driving motor 210 and a plurality of conveying rollers 220, and a plurality of anti-slip grooves 221 are formed on the circumferential side surface of each conveying roller 220 along the length direction thereof. The plurality of transmission rollers 220 are arranged along the length direction of the steel bar 600 at intervals in sequence, the plurality of transmission rollers 220 are arranged in a coplanar manner, the plane where the plurality of transmission rollers 220 are located is parallel to the horizontal plane, each transmission roller 220 is uniformly arranged in the equipment body 100 and is rotationally connected with the equipment body 100, the first belt pulleys 222 are coaxially and fixedly connected on each transmission roller 220 and the output shaft of the second driving motor 210, and two adjacent transmission rollers 220 are tensioned on the two first belt pulleys 222 through belt sleeves and are in transmission connection. The first pulley 222 on the output shaft of the second driving motor 210 is also connected with the first pulley 222 of one of the transmission rollers 220 by belt tensioning and transmission, the second driving motor 210 is disposed in the apparatus body 100, and the second driving motor 210 is fixedly connected with the apparatus body 100.

The second driving motor 210 is started, the second driving motor 210 drives the plurality of transfer rollers 220 under the action of the second pulley 311 and the belt, and then penetrates one end of the reinforcing bar 600 into the apparatus body 100, so that the reinforcing bar 600 collides with the transfer rollers 220, and simultaneously the transfer rollers 220 transfer the reinforcing bar 600. When the reinforcing steel bar 600 butts against the transmission roller 220, the notch of the anti-slip groove 221 on the transmission roller 220 butts against the peripheral side surface of the reinforcing steel bar 600, so that the friction force between the transmission roller 220 and the reinforcing steel bar 600 is increased, and the occurrence of slipping between the transmission roller 220 and the reinforcing steel bar 600 is reduced.

Referring to fig. 2 and 3, in order to increase the stability of movement when the reinforcing steel bar 600 is transferred, a plurality of limiting rollers 211 are arranged in the apparatus body 100, the plurality of limiting rollers 211 are divided into two rows, the two rows of limiting rollers 211 are arranged at intervals, and the distance between the two rows of limiting rollers 211 is greater than the diameter of the reinforcing steel bar 600. Each of the stopper rollers 211 is disposed perpendicular to the conveying roller 220, and each of the stopper rollers 211 is rotatably connected to the apparatus body 100. When the reinforcing steel bar 600 is transmitted by the transmission rollers 220, the limiting rollers 211 limit the movement of the reinforcing steel bar 600, so that the stability of the reinforcing steel bar 600 during movement is improved, and the occurrence of deflection in the movement process of the reinforcing steel bar 600 is reduced.

Referring to fig. 2 and 4, the rust removing assembly 300 includes a first driving motor 310 and a plurality of wire wheels 320, each wire wheel 320 is provided with a rotating shaft 321, the rotating shaft 321 and the wire wheel 320 are arranged in a collinear manner, one end of the rotating shaft 321 penetrates through a central hole of the wire wheel 320, each rotating shaft 321 is in threaded connection with a nut 322, and after the wire wheel 320 is installed on the rotating shaft 321, the nut 322 abuts against an end surface of the wire wheel 320. Each rotating shaft 321 is vertically arranged, and each rotating shaft 321 is rotatably connected with the apparatus body 100. Each wire wheel 320 is disposed between two adjacent conveying rollers 220, each wire wheel 320 is disposed parallel to the conveying rollers 220, the wire of each wire wheel 320 is disposed toward the top of the apparatus body 100, and the upper end of each wire wheel 320 is disposed flush with the conveying rollers 220. One end of each rotating shaft 321, which is far away from the wire wheel 320, and the output shaft of the first driving motor 310 are coaxially and fixedly connected with a second belt wheel 311, and two adjacent second belt wheels 311 are tensioned and in transmission connection on two adjacent second belt wheels 311 through belt sleeves. The second belt wheel 311 on the output shaft of the first driving motor 310 is connected with the second belt wheel 311 on one of the rotating shafts 321 in a transmission manner by a belt sleeve, and the two second belt wheels 311 are tensioned and connected with each other in a transmission manner.

The first driving motor 310 is started, the first driving motor 310 drives the second belt wheel 311 to rotate, and under the action of the second belt wheel 311 and the belt, the plurality of rotating shafts 321 rotate along with the output shaft of the first driving motor 310. Then the rotating shaft 321 drives the steel wire wheel 320 to rotate, and the steel wire wheel 320 and the steel bar 600 perform relative motion, so that the steel wire wheel 320 cleans the iron rust on the surface of the steel bar 600. When the steel wire wheel 320 rotates, the steel wire wheel 320 applies force to the steel bar 600 perpendicular to the length direction of the steel bar 600, so that the steel bar 600 rotates around the central axis of the steel bar 600, the steel wire wheel 320 can be in contact with the whole circumferential side surface of the steel bar 600, and the effect of increasing the rust removal of the steel bar 600 by the steel wire wheel 320 is finally achieved.

Referring to fig. 2 and 5, the bending mechanism 400 includes a first clamping assembly 410, a second clamping assembly 420, a first driving assembly 430, and a second driving assembly 440, the first clamping assembly 410 clamps one end of the overlapped portion of two adjacent reinforcing bars 600, and the second clamping assembly 420 clamps the other end of the overlapped portion of two adjacent reinforcing bars 600. First drive assembly 430 is used to drive first clamping assembly 410 and second drive assembly 440 is used to drive second clamping assembly 420.

The first clamping assembly 410 includes a first clamping ring 411 and two first clamping plates 412, the two first clamping plates 412 are disposed in parallel, and the two first clamping plates 412 are both connected with the first clamping ring 411 in a sliding manner, and the sliding direction is a direction close to or away from the central axis of the first clamping ring 411. The two opposite sides of the first clamping plates 412 are respectively provided with a first cylinder 413, the cylinder body of the first cylinder 413 is fixedly connected with the first clamping ring 411, and the piston rod of the first cylinder 413 is vertically and fixedly connected with the first clamping plates 412. The central axis of the first clamp ring 411 is coplanar with the plane where the plurality of conveying rollers 220 are located, and the first clamp ring 411 is rotatably connected with the apparatus body 100. When the reinforcing bars 600 are transferred by the plurality of transfer rollers 220, the reinforcing bars 600 are penetrated into the inner ring of the first gripper ring 411.

The first driving assembly 430 comprises a first stepping motor 431, a first gear 432 and a first gear ring 433, wherein the first gear 432 is coaxially and fixedly connected with an output shaft of the first stepping motor 431, and the first gear 432 is meshed with and in transmission connection with the first gear ring 433. The first ring gear 433 is coaxially and fixedly connected with the first grip ring 411, and the first stepping motor 431 is fixedly connected with the apparatus body 100.

The second clamping assembly 420 includes a second clamping ring 421 and two second clamping plates 422, the two second clamping plates 422 are disposed in parallel, and the two second clamping plates 422 are both connected to the second clamping ring 421 in a sliding manner, and the sliding direction is a direction close to or away from the central axis of the second clamping ring 421. The side surfaces of the two second clamping plates 422, which are opposite to each other, are provided with a second cylinder 423, the cylinder body of the second cylinder 423 is fixedly connected with a second clamping ring 421, and the piston rod of the second cylinder 423 is vertically and fixedly connected with the second clamping plate 422. The central axis of the second clamp ring 421 is coplanar with the plane where the plurality of conveying rollers 220 are located, and the second clamp ring 421 is rotatably connected to the apparatus body 100. When the reinforcing bar 600 is transported by the transport rollers 220, the reinforcing bar 600 penetrates into the inner ring of the second clamp ring 421.

The second driving assembly 440 includes a second stepping motor 441, a second gear 442 and a second ring gear 443, the second gear 442 is coaxially and fixedly connected with the output shaft of the second stepping motor 441, and the second gear 442 is engaged with the second ring gear 443. The second ring gear 443 is coaxially and fixedly connected to the second clamp ring 421, and the second stepping motor 441 is fixedly connected to the apparatus body 100.

After the overlapped portions of two adjacent reinforcing bars 600 move to penetrate into the first clamping ring 411 and the second clamping ring 421, the second driving motor 210 is stopped, the second driving motor 210 stops driving the conveying rollers 220, and then the reinforcing bars 600 stop moving. The first cylinder 413 and the second cylinder 423 are activated, the first cylinder 413 drives the first clamping plate 412, and the second cylinder 423 drives the second clamping plate 422. The two first clamping plates 412 clamp one end of the overlapped portion of the two reinforcing bars 600, and the two second clamping plates 422 clamp the other end of the overlapped portion of the two reinforcing bars 600. When the first stepping motor 431 and the second stepping motor 441 are started, the first stepping motor 431 drives the first gear 432 to move, and the first gear 432 drives the first gear ring 433 to rotate, so that the first clamping ring 411 rotates. Meanwhile, the second stepping motor 441 drives the second gear 442 to move, the second gear 442 drives the second gear 443 to rotate, the second gear 443 drives the second clamping ring 421 to move, and the rotation directions of the first clamping ring 411 and the second clamping ring 421 are opposite, so that the mutually overlapped parts of the two reinforcing bars 600 are spirally wound together.

Referring to fig. 1 and 2, two sets of welding assemblies 500 are provided, each set of welding assemblies 500 including a welder body 510, an electric welding gun 520, and a bond 530, the electric welding gun 520 and the bond 530 each being electrically connected with the welder body 510. The two electric welding guns 520 are slidably connected to the apparatus body 100 in a direction approaching or departing from the reinforcing bar 600. Two electric welding guns 520 are arranged parallel to each other, and the welding wire on each electric welding gun 520 is arranged toward the reinforcing bar 600. The top of the apparatus body 100 is provided with two sliding plates 110, the two sliding plates 110 are slidably coupled to the apparatus body 100 in directions approaching or departing from each other, and the sliding direction of the sliding plates 110 is parallel to the length direction of the reinforcing bars 600. The side of each sliding plate 110 facing the bottom of the apparatus body 100 is provided with a third cylinder 111, the cylinder body of the third cylinder 111 is vertically and fixedly connected with the sliding plate 110, and the piston rod of the third cylinder 111 is fixedly connected with the electric welding gun 520. The power sources of the first cylinder 413, the second cylinder 423 and the third cylinder 111 are all air pumps.

Each of the transfer rollers 220 is iron, two bonding pieces 530 are fixedly connected to the apparatus body 100, and each bonding piece 530 abuts against one of the transfer rollers 220. When the transmission roller 220 rotates, the bonding 530 and the corresponding transmission roller 220 rotate relatively, so that the bonding 530 is electrically connected with the transmission roller 220, the transmission roller 220 is abutted against the steel bar 600, a loop is formed, and the electric welding gun 520 works normally. Both the welder bodies 510 are disposed in the apparatus body 100, and both the welder bodies 510 are fixedly connected with the apparatus body 100.

When the overlapped portions of the two reinforcing bars 600 are spirally wound together, the first cylinders 413 are reversely driven, and the first cylinders 413 drive the two first clamping plates 412 in a direction away from each other, so that the two first clamping plates 412 are separated from the two reinforcing bars 600. The slide plate 110 is slid, and the slide plate 110 moves the welding guns 520, and when the welding wire of one welding gun 520 corresponds to one side of the spiral portion of one reinforcing bar 600, the driving of the slide plate 110 is stopped. The other slide plate 110 is slid, the slide plate 110 drives the other welding gun 520 to move, and when the welding wire on the other welding gun 520 corresponds to the other side of the spiral part of the reinforcing bar 600, the driving of the slide plate 110 is stopped. And starting the second stepping motor 441, driving the second clamping ring 421 by the second stepping motor 441, and driving the two steel bars 600 to rotate by the second clamping ring 421. And simultaneously, the third air cylinder 111 is started, the third air cylinder 111 drives the electric welding gun 520, so that a welding rod on the electric welding gun 520 is abutted to the joint of the two steel bars 600, and simultaneously, the electric welding gun 520 welds the two steel bars 600 together. Along with the rotation of two reinforcing bars 600, the welding rod on two electric welding guns 520 is following the joint department motion of two reinforcing bars 600, and then makes electric welding gun 520 drive the motion of sliding plate 110, when electric welding gun 520 moved to first grip ring 411 position, two electric welding guns 520 were accomplished to the joint department welding of two reinforcing bars 600, and then increased the connection stability of two reinforcing bars 600.

In order to improve the construction quality of the culvert, the embodiment discloses a culvert construction method, which comprises the following steps:

s1: foundation pit lofting: and measuring longitudinal and transverse axes of the foundation at the lofting position and a foundation control pile, rechecking the lofting result of a measuring team by a field technician by adopting a geometric method, and reporting to a supervision engineer for verification after the result is correct. And (4) calculating the excavation depth according to the height difference between the original ground and the designed foundation base, and carrying out slope releasing according to the geological condition and the standard requirement.

S2: excavation of a foundation pit: according to the geological characteristics of the location of the culvert project, a manual matching excavator is adopted to excavate a foundation pit, the slope is excavated according to the geological conditions and the requirements of the specification, and the excavated soil is transported to the designed designated location to be stored. If appear in the foundation ditch excavation process when the unstable condition of pit wall, squeeze into 4m long steel pipes according to 2m interval in the foundation ditch bottom, the steel sheet protection is used in the steel pipe outside, blocks earth gliding. And steel pipe railings are erected around the top of the foundation pit, and warning signs are hung to prevent constructors and vehicles from falling into the foundation pit. When the foundation pit is excavated to the designed elevation 30cm away from the bottom surface, the cross section of the foundation pit is manually excavated and renovated to ensure that the size of the cross section of the foundation pit meets the design requirement, and a laboratory is informed to carry out a foundation bearing capacity test. After the excavation is finished, the steel is qualified through self-inspection and is reported to a supervision engineer for inspection. And if the bearing capacity of the substrate does not meet the design requirement, performing corresponding treatment according to the program report supervision engineer and the design engineer. And after the bearing capacity of the substrate meets the design and specification requirements, the next construction is carried out, a substrate inspection report is filled in, and the report is submitted to a supervision engineer for approval. The lower opening of the foundation pit on the side surface of the foundation excavation is properly widened by 1.0 meter, so that a drainage ditch and an installation template are conveniently arranged.

S3: checking and accepting the foundation pit: and detecting the plane position, the size and the elevation of the substrate. And checking whether the geological condition of the substrate and the bearing capacity conform to the design or not, and whether the bearing capacity meets the design requirement or not, otherwise, reporting to a supervision engineer to apply for change processing.

S4: substrate treatment: and (4) performing base treatment by adopting graded broken stones meeting design requirements according to a design drawing.

S5: installing a basic template: the formworks for pouring concrete are all formed steel moulds ordered from formwork manufacturers, the formworks are assembled according to the geometric dimension of the culvert foundation during installation, each formwork is fixed by a matched bolt, and meanwhile, the formworks are guaranteed to have enough height, and the foundation height is guaranteed to meet the requirements. The mould is internally brushed with a release agent so as to be convenient for demoulding, the steel mould is tightly assembled, the joint is padded with a rubber strip or an adhesive tape, and the joints among the plates are smooth and have no dislocation. The formwork is stably installed, and the reasonable support ensures that the formwork does not run and leak slurry in the concrete pouring process. After the template is installed, the plane position, the top elevation, the node relation and the longitudinal and transverse stability of the template are checked, and the concrete can be poured after the supervision engineer checks the position. The removal of the template and the bracket is carried out when the concrete strength reaches more than 2.5 Mpa.

S6: and (3) construction of foundation concrete: the concrete is stirred, various weighing machines are kept accurate during batching, the mixing time is ensured to meet the standard requirement, the water content of aggregate is frequently checked, and the use amount of aggregate and water is determined so as to adjust the construction mixing proportion. The slump of the concrete is randomly inspected and controlled within the standard at any time in a laboratory, so that the strength of the concrete is ensured, and the concrete has better workability. And (3) concrete transportation, wherein concrete is intensively mixed by a mixing station, and the concrete is transported to a construction site by a concrete tank truck for pouring. Pouring concrete, transporting the concrete to the position of the foundation pit by a tank truck, and entering the mold through a chute erected at the edge of the foundation pit. Before pouring the foundation, cleaning the foundation to enable the foundation to meet the requirements of a drawing. And after the self-inspection is qualified, reporting the approval of a supervision engineer, and reporting and checking the pouring of the foundation concrete by a vertical mold. The foundation concrete is poured in a segmented and horizontal layered mode, and the thickness of each layer is not more than 30 cm. The concrete pouring is to pour the secondary layer of concrete before the initial setting of the front layer of concrete. The concrete is poured by adopting chutes. The chute should be kept clean and segregation should be avoided during the pouring process. The concrete is vibrated by adopting a 50-type inserted vibrating rod, the moving distance of the vibrating rod is not more than 1.5 times of the effective acting radius of the vibrator when the concrete vibrator is used, the distance between the vibrating rod and the template is kept to be 5-10 cm, and the vibrating rod is inserted into the concrete on the lower layer by 5-10 cm when the concrete on the upper layer is constructed. After each position is vibrated, the vibrating rod should be lifted out slowly while vibrating, and leakage vibration or over vibration must be prevented. For each vibrating part, the vibration is needed until the concrete of the part is compact, and the sign of the compact concrete is that the concrete stops sinking, no air bubbles are generated, and the surface is smooth and slurry is developed. During the concrete pouring, a specially-assigned person checks the stability of the support and the template, and the special-assigned person needs to deal with the abnormal conditions in time when the abnormal conditions are found.

S7: concrete health preserving: and the geotextile is covered for sprinkling water for maintenance, so that the humidity and the temperature are guaranteed, and the maintenance time is not less than 7 days. The health-preserving water comes from local water works in villages and towns or water sources meeting the specification requirements. The water truck is transported to a construction site and stored in the water storage tank, when the water storage amount of the water storage tank is small, the water truck is used for replenishing water immediately, and continuous maintenance is ensured.

S8: installation of the bench body steel bar 600: the reinforcing steel bars 600 are processed in a centralized manner in a reinforcing steel bar 600 processing plant and then transported to a construction site for installation after being processed. The reinforcing bars 600 are stored on a platform 0.3 meters above the ground and protected from mechanical damage and corrosion and surface damage due to exposure to the atmosphere. The surface of the rebar 600 is free of dust, unwanted rust, loose scale, paint, grease, oil, or other impurities. The rebar 600 must not have deleterious defects such as cracks and spall layers. Use construction equipment to handle reinforcing bar 600, clear away dirty rust with reinforcing bar 600 surface, multistage reinforcing bar 600 welds together, when welding adjacent reinforcing bar 600, and the part spiral winding that overlaps with two reinforcing bars 600 is in the same place earlier, welds adjacent reinforcing bar 600 again. In order to ensure the thickness of the concrete protection layer after the steel bar 600 is installed, the substrate is made into a cement mortar cushion layer, the bottom of the steel bar 600 of the substrate is supported by cushion blocks, the cushion blocks are arranged between the steel bar 600 and the template, the cushion blocks are fastened with the steel bar 600, and the positions of the cushion blocks are staggered.

S9: installing a platform body template: and (4) lofting the corner points of the platform body by the measuring team, marking by using ink fountain elastic lines by a field technician, rechecking the lofting result of the measuring team by using a ruler measuring method, and reporting to a field supervision engineer for inspection after the result is correct. The template all adopts design steel mould when the platform body is under construction, and small-size hoist and mount machinery cooperates manual work and installs, adopts the guy wire method to straighten, hangs down the ball method and controls its straightness that hangs down. And (5) installing the template according to the setting position of the settlement joint, and installing and pouring concrete in sections. The template can be spliced into a whole according to the length of the segments, and the detection of the flatness, the dislocation and the seam tightness of the whole template is facilitated. The template reinforcement can be carried out by the modes of steel pipe frame support, pull rod counter-pulling, steel wire diagonal tension correction and the like, so that the stability, firmness and accurate size of the template are ensured. After the template is transported to a construction site, the surface and the periphery of the template are polished by an angle grinder, the contact surface of the template and concrete must be cleaned and coated with an isolating agent, in order to avoid slurry leakage at the seam of the template in the concrete pouring process, the template is attached to two sides of the template by a double-sided adhesive tape during assembly, so that slurry leakage is avoided, and the appearance quality of the concrete is ensured.

S10: pouring concrete: the concrete is intensively mixed by adopting a mixing station, is transported to a construction site by a tank car, and is poured by a crane feeding mode. The thickness of the concrete layer is not more than 30cm when the concrete is poured, and the interval time between new concrete and old concrete is not more than the initial setting time of the concrete. When in vibration, a 50-type inserted vibrating rod is adopted, the moving distance of the inserted vibrating rod is not more than 50cm, and the depth of inserting the lower-layer concrete each time is preferably 5-10 cm. The vibrator must be experienced personnel to take the role of short vibration duty, the vibration time of each vibration point is 20-30 s, the degree is that concrete does not sink down any more, bubbles do not exist, and floating slurry appears on the surface, so that the leakage vibration and the over-vibration are prevented. The moving distance of the vibrating rods is not more than 1.5 times (the moving distance is 30-50 cm) of the acting radius of the vibrating rods, the depth of the vibrating rods inserted into the lower layer concrete is 5-10 cm, and the distance between the vibrating rods and the side mold is 5-10 cm. When the vibrating rod is lifted, the vibrating rod is lifted out slowly while vibrating, and the vibrating rod cannot be put into concrete to be dragged horizontally. In the concrete pouring process, the pouring continuity is ensured, and the concrete pouring time is controlled as much as possible in the daytime so as to observe the condition at any time.

S11: concrete health preserving: and the geotextile is covered for sprinkling water for maintenance, so that the humidity and the temperature are guaranteed, and the maintenance time is not less than 7 days. The health-preserving water comes from local water works in villages and towns or water sources meeting the specification requirements. The water truck is transported to a construction site and stored in the water storage tank, when the water storage amount of the water storage tank is small, the water truck is used for replenishing water immediately, and continuous maintenance is ensured.

S12: setting a settlement joint: the settlement joint is arranged every 4-6m on the platform body and the foundation, the joint width is 1-2cm, the settlement joint is arranged according to the drawing position if the settlement joint is clearly required on the drawing, and the joint is filled with asphalt floc. The culvert body settlement joint must be vertically, flatly and communicated with the foundation settlement joint, and the upper part and the lower part of the culvert body settlement joint cannot be staggered, so that the phenomena of staggered joints and seam biting are avoided, and cracks are prevented from appearing in uneven settlement. The position and the size of the settlement joint are accurate, and the dislocation phenomenon of the cover plate during installation is prevented.

S13: prefabricating and installing a cover plate: prefabricated apron goes on at the prefabricated field, and the processing of reinforcing bar 600 goes on according to the design drawing, and the template support must be firm simultaneously, avoids the apron to warp, and the apron concrete is pour and is unified to adopt artifical the pouring, and bayonet vibrting spear vibrates. After the cover plate is prefabricated, the geotextile covers the cover plate, and the water is sprayed for preserving health for not less than 7 days. The concrete can be demolded and lifted after the strength of the concrete reaches 70 percent of the designed strength. The precast slabs are hoisted by adopting hoisting rings, and the square timber under the precast slabs must be within the range of a fulcrum during stacking, so that the precast slabs cannot be inverted up and down. After the cover plate is conveyed to the site, a crane is adopted to directly lift the cover plate on the transport vehicle for installation, the plate seams are ensured to be uniform and consistent when the cover plate is installed, and the cover plate cannot be pressed above the settlement seams. After the cover plate is installed, M10 cement mortar is used for filling a gap between the back and the cover plate, a 1cm thick asphalt felt is arranged at the supporting position of the cover plate, the top of the cover plate and the waterproof layer of the bench top adopt coating hot asphalt with the thickness of 1-1.5mm at two degrees, one layer of the asphalt felt paper is paved between two degrees, and two asphalt layers are smeared on the outer side of the culvert body.

S14: the inlet and outlet construction masonry bodies are built in a layered mode, the masonry bodies can be built in a layered mode in a segmented mode when the masonry bodies are long, but the building difference of two adjacent working sections is generally not more than 1.2 m; the subsection position should be arranged at the settlement joint or the telescopic position as much as possible, and the horizontal built joints at all positions should be consistent. When the first layer of building blocks of the foundation are built, the foundation is a rock stratum or concrete foundation, the surface of the foundation is cleaned and moistened firstly, and then the foundation is built by mortar, the foundation is soil and can be built by mortar directly, and the foundation is soil in the embodiment. Before use, the rubble must be watered to be wet, and the surface of the rubble has soil and water rust and should be cleaned. The outer ring positioning row and the inner layer are firstly built in each layer, and the outer ring building blocks and the inner layer building blocks are staggered and connected into a whole. The inner layer of the masonry should be built orderly, the layers should be consistent with the outer ring, a layer of mortar with proper thickness should be paved, and then the building blocks are placed and the masonry joints are filled. The brickwork of each course should be laid firmly, and it is full to need the mortar between the brickwork, and it is firm to bond, must not directly paste and lean on or take off the sky. When in building, the bottom slurry is fully paved, a part of the vertical joint mortar is paved on the side surface of the built stone block, and then the slab stone is filled and tamped. When the vertical joint is filled with small stone concrete, it should be tamped with flat iron. When building the upper building blocks, the lower building blocks should be prevented from vibrating. When the masonry is resumed after the masonry is interrupted, the surface of the masonry layer which has been built should be cleaned and moistened. The block stone should be built layer by layer, preferably 2-3 layers of building blocks form a working layer, and the horizontal seam of each working layer should be approximately leveled. The vertical seams of the working layers are staggered and cannot be communicated. The larger building blocks are used in the lower layer, the building blocks with proper shapes and sizes are selected during building, and the sharp protruding parts are knocked out. When the vertical joint is wider, small stones should be filled in the mortar, and small stones higher than the mortar joint should not be used for supporting and cushioning the stones.

S15: back filling of the table back: and when the strength of the platform body reaches 70% of the design value and the paving of the culvert bottom is finished, filling soil behind the platform. And measuring and lofting, according to a culvert platform back backfilling schematic diagram and the culvert height of a design drawing, carrying out slope caving according to the geological condition and the standard requirement, wherein the sum of the slope caving length and 1m is the length of the upper opening of the platform back backfilling. And excavating steps before backfilling, and constructing the steps according to the height of the steps according to the layered backfilling thickness. Before backfilling construction, marking the compacted thickness of each layer of filling according to loose paving coefficients, marking the loose paving thickness on the wall body of the structure by using white paint and red paint on the left, the middle and the right, spraying a table back backfilling management card, and marking the pile number, time, layer number and responsible person. Cleaning and rolling the substrate, cleaning up the floating soil, sundries and accumulated water at the bottom of the foundation pit before backfilling, treating the bottom surface of the foundation pit to the compactness meeting the design and specification requirements, and performing anti-corrosion treatment on the contact surface of the wall body of the structure and the backfilling soil according to the design requirements. And (4) excavating steps at the stubble-connecting part of the roadbed, and adopting a manual matching excavator to excavate and form the steps at the stubble-connecting part of the roadbed layer by layer in sequence according to the measurement lofting result. And (3) backfilling and compacting the coarse sand layer by layer, and filling the coarse sand with good water permeability, wherein the backfilling of saline soil and soil containing humus and garbage is not required, and the backfilling is performed after the concrete strength of the upper structure is erected to reach 70%. When backfilling, two side platforms are needed to be symmetrically tamped in a layered mode, and the height difference of the filled soil behind the two side platforms is not larger than 50 cm. And (3) compacting by using a small-sized roller, wherein the filling thickness of each layer is not more than 15cm, the compaction degree is not less than 96%, and manual compaction treatment is adopted within the range of 120cm in the culvert platform.

The implementation principle of the culvert construction equipment and the construction method provided by the embodiment of the application is as follows: when the construction equipment is used for treating the steel bar 600, the first driving motor 310 and the second driving motor 210 are started, the first driving motor 310 drives the wire wheel 320, and then the wire wheel 320 and the equipment body 100 rotate relatively. The second driving motor 210 drives the plurality of transfer rollers 220 so that the plurality of transfer rollers 220 are rotated in synchronization. Then penetrate equipment body 100 with the one end of reinforcing bar 600 in for reinforcing bar 600 contradicts with transmission roller 220, and then make transmission roller 220 transmit reinforcing bar 600, steel wire wheel 320 and reinforcing bar 600's surface takes place relative motion simultaneously, under the effect of pivoted steel wire wheel 320, steel wire wheel 320 applies the power of reinforcing bar 600 perpendicular to reinforcing bar 600 length direction on, reinforcing bar 600 rotates along self central axis under the effect of this power, make the all sides of reinforcing bar 600 all can contact with steel wire wheel 320, and then increase steel wire wheel 320 to the rust cleaning effect of reinforcing bar 600.

After the reinforcing bars 600 are all moved into the apparatus body 100, the next reinforcing bar 600 is inserted into the apparatus body 100 while having the overlapping portion of the end of the previous reinforcing bar 600 and the start of the next reinforcing bar 600. When the overlapped portion of the two reinforcing bars 600 moves into the first and second clamp rings 411 and 421, the second driving motor 210 is stopped, the transferring roller 220 stops transferring the reinforcing bars 600, and the reinforcing bars 600 stop moving. Starting the first air cylinder 413 and the second air cylinder 423, wherein the first air cylinder 413 drives the first clamping plates 412, and then the two first clamping plates 412 clamp one end of the overlapped part of the two steel bars 600; the second cylinder 423 drives the second clamping plate 422, and the two second clamping plates 422 clamp the other end of the overlapped portion of the two reinforcing bars 600. Starting a first stepping motor 431 and a second stepping motor 441, wherein the first stepping motor 431 drives the first clamping ring 411, and the first clamping ring 411 drives the two steel bars 600 to rotate; the second stepping motor 441 drives the second clamping ring 421, the second clamping ring 421 drives the two steel bars 600 to rotate, and meanwhile, the rotating directions of the first clamping ring 411 and the second clamping ring 421 are opposite, so that the overlapped parts of the two steel bars 600 are spirally wound together.

When the overlapped portions of the two reinforcing bars 600 are spirally wound together, the first cylinders 413 are reversely driven, and the first cylinders 413 drive the two first clamping plates 412 in a direction away from each other, so that the two first clamping plates 412 are separated from the two reinforcing bars 600. The slide plate 110 is slid, and the slide plate 110 moves the welding guns 520, and when the welding wire of one welding gun 520 corresponds to one side of the spiral portion of one reinforcing bar 600, the driving of the slide plate 110 is stopped. The other slide plate 110 is slid, the slide plate 110 drives the other welding gun 520 to move, and when the welding wire on the other welding gun 520 corresponds to the other side of the spiral part of the reinforcing bar 600, the driving of the slide plate 110 is stopped. And starting the second stepping motor 441, driving the second clamping ring 421 by the second stepping motor 441, and driving the two steel bars 600 to rotate by the second clamping ring 421. And simultaneously, the third air cylinder 111 is started, the third air cylinder 111 drives the electric welding gun 520, so that a welding rod on the electric welding gun 520 is collided with the seam of the spirally wound two steel bars 600, and simultaneously, the electric welding gun 520 welds the two steel bars 600 together. Along with the rotation of two reinforcing bars 600, the welding rod on two electric welding guns 520 is following the joint department motion of two reinforcing bars 600, and then makes electric welding gun 520 drive the motion of sliding plate 110, when electric welding gun 520 moved to first grip ring 411 position, two electric welding guns 520 were accomplished to the joint department welding of two reinforcing bars 600, and then increased the connection stability of two reinforcing bars 600.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (4)

1. A culvert construction equipment which characterized in that: the device comprises a device body (100), wherein a derusting component (300), a welding component (500) and a transmission component (200) are arranged in the device body (100), the welding component (500) comprises a welding machine body (510), an electric welding gun (520) and a bonding (530), the electric welding gun (520) and the bonding (530) are electrically connected with the welding machine body (510), the welding machine body (510) is fixedly connected with the device body (100), the derusting component (300) comprises a first driving motor (310) and a plurality of wire wheels (320), the plurality of wire wheels (320) are rotatably connected with the device body (100), the first driving motor (310) is fixedly connected with the device body (100), the first driving motor (310) is used for driving the plurality of wire wheels (320), the transmission component (200) comprises a second driving motor (210) and a plurality of transmission rollers (220), the plurality of transmission rollers (220) are rotatably connected with the equipment body (100), the second driving motor (210) is in transmission connection with the plurality of transmission rollers (220), and the second driving motor (210) is fixedly connected with the equipment body (100); the device body (100) is internally provided with a bending mechanism (400), and the bending mechanism (400) is used for spirally winding two adjacent reinforcing steel bars (600) together; the bending mechanism (400) comprises a first clamping assembly (410) and a second clamping assembly (420), the first clamping assembly (410) and the second clamping assembly (420) are arranged in parallel, the first clamping assembly (410) and the second clamping assembly (420) are both arranged perpendicular to the direction in which the steel bars (600) are conveyed, and the first clamping assembly (410) and the second clamping assembly (420) are both rotatably connected with the device body (100); the first clamping assembly (410) comprises a first clamping ring (411) and two first clamping plates (412), the two first clamping plates (412) are arranged in parallel, the two first clamping plates (412) are connected with the first clamping ring (411) in a sliding mode, the sliding direction of the two first clamping plates is close to or far away from the central axis of the first clamping ring (411), the two sides, away from each other, of the two first clamping plates (412) are fixedly connected with first air cylinders (413), the cylinder bodies of the first air cylinders (413) are fixedly connected with the first clamping ring (411), the piston rods of the first air cylinders (413) are fixedly connected with the first clamping plates (412) in a vertical mode, and the first clamping ring (411) is connected with the equipment body (100) in a rotating mode; the second clamping assembly (420) comprises a second clamping ring (421) and two second clamping plates (422), the two second clamping plates (422) are arranged in parallel, the two second clamping plates (422) are connected with the second clamping ring (421) in a sliding mode, the sliding direction of the second clamping plates is close to or far away from the central axis of the second clamping ring (421), the two second clamping plates (422) are fixedly connected with second air cylinders (423) on the sides, away from each other, of the two second clamping plates, the cylinder bodies of the second air cylinders (423) are fixedly connected with the second clamping ring (421), the piston rods of the second air cylinders (423) are vertically and fixedly connected with the second clamping plates (422), and the second clamping ring (421) is connected with the equipment body (100) in a rotating mode; the bending mechanism (400) further comprises a first driving assembly (430) and a second driving assembly (440), the first driving assembly (430) is arranged corresponding to the first clamping ring (411), and the first driving assembly (430) is used for driving the first clamping ring (411); the second driving assembly (440) is arranged corresponding to the second clamping ring (421), and the second driving assembly (440) is used for driving the second clamping ring (421).

2. A culvert construction equipment according to claim 1, characterized in that: be provided with a plurality of spacing rollers (211) in equipment body (100), it is a plurality of spacing roller (211) divide into two rows and set up, two rows spacing roller (211) interval sets up, and is a plurality of spacing roller (211) all rotate with equipment body (100) and are connected, and a plurality of spacing roller (211) all set up with transmission roller (220) are perpendicular.

3. A culvert construction equipment according to claim 1, characterized in that: the wire wheel (320) is arranged in parallel with the transfer roller (220), and the wire of the wire wheel (320) is arranged toward the top of the apparatus body (100).

4. A culvert construction equipment according to claim 1, characterized in that: the first driving assembly (430) comprises a first stepping motor (431), a first gear ring (433) and a first gear wheel (432), the first gear wheel (432) is coaxially and fixedly connected with an output shaft of the first stepping motor (431), the first gear wheel (432) is meshed with the first gear ring (433), the first gear ring (433) is coaxially and fixedly connected with a first clamping ring (411), and the first stepping motor (431) is fixedly connected with the equipment body (100); the second driving assembly (440) comprises a second stepping motor (441), a second gear ring (443) and a second gear (442), the second gear (442) is coaxially and fixedly connected with an output shaft of the second stepping motor (441), the second gear (442) is meshed with the second gear ring (443), the second gear ring (443) is coaxially and fixedly connected with the second clamping ring (421), and the second stepping motor (441) is fixedly connected with the equipment body (100).

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