CN113373830A - Method for repairing bridge expansion joint - Google Patents
Method for repairing bridge expansion joint Download PDFInfo
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- CN113373830A CN113373830A CN202110664124.XA CN202110664124A CN113373830A CN 113373830 A CN113373830 A CN 113373830A CN 202110664124 A CN202110664124 A CN 202110664124A CN 113373830 A CN113373830 A CN 113373830A
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- Prior art keywords
- grouting
- bridge
- expansion joint
- groove body
- adjusting mechanism
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 142
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 230000008439 repair process Effects 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000001788 irregular Effects 0.000 abstract description 3
- 238000007569 slipcasting Methods 0.000 description 18
- 210000005056 cell body Anatomy 0.000 description 9
- 238000009434 installation Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 241001417523 Plesiopidae Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VETPHHXZEJAYOB-UHFFFAOYSA-N 1-n,4-n-dinaphthalen-2-ylbenzene-1,4-diamine Chemical compound C1=CC=CC2=CC(NC=3C=CC(NC=4C=C5C=CC=CC5=CC=4)=CC=3)=CC=C21 VETPHHXZEJAYOB-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- FKSMGCPXPSJFJJ-UHFFFAOYSA-N [Na].C=CC=C Chemical compound [Na].C=CC=C FKSMGCPXPSJFJJ-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- YAHBZWSDRFSFOO-UHFFFAOYSA-L dimethyltin(2+);2-(2-ethylhexoxy)-2-oxoethanethiolate Chemical compound CCCCC(CC)COC(=O)CS[Sn](C)(C)SCC(=O)OCC(CC)CCCC YAHBZWSDRFSFOO-UHFFFAOYSA-L 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
- E01C23/098—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants and working the surface of the filling or applying particulate material thereto, e.g. smoothing, gritting
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/067—Flat continuous joints cast in situ
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a method for repairing a bridge expansion joint, which comprises the following steps: a groove body is arranged at an expansion joint on the bridge pavement through a drilling machine, and shunting grooves are arranged on two sides of the groove body through the drilling machine; adding a crack-repairing agent into a heating tank through a hopper, stirring and mixing the crack-repairing agent by a stirring paddle in the heating tank, pushing a handle to push a bracket to two sides of a tank body through a roller, then enabling a grouting mechanism to be located right above the tank body through the operation of a second adjusting mechanism according to the angle of the tank body, and then injecting the crack-repairing agent into the tank body, so that the expansion joint of the bridge is repaired; the first adjusting mechanism works to enable the pressing roller on the flattening mechanism to be parallel to the groove body, and then the pressing roller descends through the first adjusting mechanism to enable the pressing roller to compact the gap filling agent in the groove body; the invention realizes automatic repair of the expansion joint on the bridge, faces the shape of the expansion joint, and can repair the expansion joint even if the expansion joint is irregular.
Description
Technical Field
The invention belongs to the technical field of a repair method of an expansion joint, relates to a repair method of an expansion joint, and particularly relates to a repair method of a bridge expansion joint.
Background
The expansion joint appears on the bridge pavement to influence the use safety of the bridge.
The reference CN106948280B discloses a method for rapidly repairing a broken and damaged bridge expansion joint, S1 determines the damaged position of the bridge expansion joint, setting a warning sign at a broken and damaged part, S2 manufacturing steel plates and rubber base plates with sliding grooves at all one ends for repairing broken expansion joints of a bridge, S3 paving the rubber base plates at preselected positions of the broken expansion joints of the bridge, S4 paving processed steel plates with sliding grooves at one ends on the rubber base plates, S5 drilling holes in concrete at two sides of the expansion joints corresponding to reserved screw holes of the steel plates and the middle of the sliding grooves by using an electric drill, S6 cleaning the anchoring holes, wherein dust and open water do not exist in the holes, S7 putting round heads of glass tube anchoring packages of high-strength chemical anchor bolts inwards into the anchoring holes and pushing the round heads into the holes, S8 inserting the screw rods into the bottoms of the anchoring holes in a powerful rotating mode, S9 screwing the screw rods by using nuts after the high-strength anchor bolts reach specified strength, and cutting and polishing the screw rods higher than the steel plates smoothly. The invention has the advantages of rapid installation, good effect, reduced vibration, reduced noise and ensured driving safety.
In the prior art, the existing crack treatment process mostly adopts a thermal construction mode of heating and pouring a material for filling cracks into the cracks, the thermal construction mode is to heat the filling material firstly and then seal the cracks on the road surface so as to fill the expansion joints, and the filling and repairing mode has the problems of low firmness, poor service life, manual injection of a crack repairing agent into the expansion joints usually, and low efficiency of repairing the expansion joints.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the existing crack treatment process mostly adopts a thermal construction mode of heating and pouring a material for filling cracks into the cracks, the thermal construction mode is to heat the filling material firstly and then seal the cracks on the road so as to fill the expansion joints, the filling and repairing mode has low firmness and poor service life, and usually needs to manually inject a crack filling agent into the expansion joints, so that the efficiency of repairing the expansion joints is low, and the method for repairing the expansion joints of the bridge is provided.
The purpose of the invention can be realized by the following technical scheme:
a method for repairing a bridge expansion joint comprises the following steps:
s1, a groove body is formed at an expansion joint on a bridge pavement through a drilling machine, and shunt grooves are formed in two sides of the groove body through the drilling machine, the shunt grooves are located inside the bridge pavement, dust of the groove body and the shunt grooves is cleaned, grouting mechanisms of grouting plates with the same width are selected according to the width of the groove body, the grouting mechanisms are installed on a second adjusting mechanism, meanwhile, a screw rod rotates through rotation of a rotary disc, the distance between a first connecting beam and a second connecting beam is changed, and then a press roller with the same width as the groove body is installed on a flattening mechanism;
s2, adding a crack-repairing agent into a heating tank through a hopper, stirring and mixing the crack-repairing agent by a stirring paddle in the heating tank, pushing a handle to push a bracket to two sides of a groove body through a roller, wherein the roller of the bracket is positioned on the road surface of a bridge, then, according to the angle of the groove body, working through a second adjusting mechanism to enable a grouting mechanism to be positioned right above the groove body, and then injecting the crack-repairing agent into the groove body, thereby repairing the expansion joint of the bridge, firstly, a rotating motor is controlled to drive a driving gear to rotate, the driving gear drives a gear disc to rotate through meshing action, thereby driving a grouting plate of the grouting mechanism to rotate, so that the grouting plate is positioned right above the groove body, then, a cylinder is controlled to drive a base to move downwards, a movable pipe and the grouting mechanism connected with the movable pipe are driven to move downwards through a telescopic hose, and a fixing seat of the grouting mechanism moves downwards, pressing the crack-repairing agent on the bridge pavement, so that the crack-repairing agent in the heating tank sequentially flows along the flexible hose, the movable pipe and the grouting plate, and is discharged from a grouting hole of the grouting plate to enter the tank body and the diversion trench;
s3, work through a first adjusting mechanism, make the compression roller on the mechanism of flattening parallel with the cell body, rethread first adjusting mechanism makes the compression roller descend, make the compression roller carry out the compaction to the crack sealer in the cell body, because the height that highly is higher than the fixing base bottom surface of slip casting board bottom surface, make after the compression roller flattens, the crack sealer of cell body is flat mutually with the road surface of bridge, then wait the crack sealer solidification, make the crack sealer and the road surface of bridge connect in an organic whole, thereby fill the expansion joint of bridge.
Preferably, a heating tank is arranged above the top surface of the support, a second adjusting mechanism is mounted below the top surface of the support through a support rod, the output end of the second adjusting mechanism is connected with the grouting mechanism, a first adjusting mechanism is arranged on one side of the second adjusting mechanism, and the output end of the first adjusting mechanism is connected with the flattening mechanism.
Preferably, the first adjusting mechanism and the second adjusting mechanism have the same structure, the first adjusting mechanism and the second adjusting mechanism both comprise air cylinders, a fixed plate, a movable tube, a fixed tube, a rotating motor, a shell, a base, a gear disc and a connecting tube, the air cylinders are respectively arranged on two sides of the top surface of the fixed plate, the air cylinders are installed on the top surface of the bracket through supporting rods, the output ends of the air cylinders penetrate through the fixed plate and are connected with the base, the base is positioned under the fixed plate, the middle part of the fixed plate is penetrated with the fixed tube, the movable tube penetrates through the fixed tube and is movably connected with the fixed tube, the bottom end of the movable tube penetrates through the base and is rotatably connected with the base, the gear disc is sleeved at the bottom end of the movable tube, the gear disc is rotatably installed on the base, the rotating motor is arranged on the base, the output end of the rotating motor penetrates through the base and is connected with a driving gear, the driving gear is positioned in the shell, the casing is installed on the base, and the driving gear is connected with the gear dish meshing, and the gear dish rotates to be installed on the bottom surface of base.
Preferably, the top end of the movable pipe of the second adjusting mechanism is rotatably connected with the bottom end of the telescopic hose through a sealing bearing, the top end of the telescopic hose is connected with the discharge hole of the heating tank, and the top end of the movable pipe of the first adjusting mechanism is located below the top surface of the support and is not connected with the support;
the bottom end of the movable pipe of the second adjusting mechanism is connected with the grouting mechanism through a connecting pipe, and the bottom end of the movable pipe of the first adjusting mechanism is connected with the flattening mechanism through a connecting pipe.
Preferably, the mechanism of flattening includes the installing frame, first tie-beam, the second tie-beam, the compression roller, the carousel, spacing slide bar, the installation wheel, the installing frame is connected with the bottom of connecting pipe, the bottom surface both sides of installing frame are provided with spacing slide bar respectively, spacing slide bar runs through first tie-beam and second tie-beam, and with first tie-beam fixed connection, with second tie-beam sliding connection, first tie-beam and second tie-beam parallel arrangement, the installation wheel is installed at the lateral wall both ends of first tie-beam and second tie-beam, the compression roller is located between the installation wheel, be provided with the mounting hole with installation wheel looks adaptation on the compression roller.
Preferably, a turntable is arranged on one side of the mounting frame and connected with one end of a screw rod, the other end of the screw rod sequentially penetrates through the first connecting beam and the second connecting beam, the second connecting beam is in threaded connection, and the screw rod is not in contact with the first connecting beam; the screw rod is positioned right above the group of limiting slide rods.
Preferably, slip casting mechanism includes fixing base, adapter sleeve, mobile chamber, slip casting hole, cushion, and the fixing base sets up side by side, and installs the slip casting board between two sets of fixing bases, is provided with mobile chamber in the slip casting board, and the top surface of slip casting board is provided with adapter sleeve, adapter sleeve and connecting pipe threaded connection, and the bottom surface of slip casting board evenly is provided with the slip casting hole of multiunit.
Preferably, the bottom surface of the fixing seat is provided with an elastic pad, and the height of the bottom surface of the grouting plate is higher than that of the bottom surface of the fixing seat.
Preferably, the bottom of the support is provided with a roller, one side of the support is provided with a handle, and a feeding hole in the top of the heating tank is provided with a hopper.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the steps that a groove body is formed in an expansion joint on a bridge pavement through a drilling machine, and diversion grooves are formed in two sides of the groove body through the drilling machine, the diversion grooves are located inside the bridge pavement, dust of the groove body and the diversion grooves is cleaned, grouting mechanisms of grouting plates with the same width are selected according to the width of the groove body, the grouting mechanisms are installed on a second adjusting mechanism, meanwhile, a rotary disc is rotated to enable a screw to rotate, so that the distance between a first connecting beam and a second connecting beam is changed, a compression roller with the same width as the groove body is installed on a flattening mechanism, the diversion grooves are formed in two sides of the diversion grooves, so that a repairing agent fills the expansion joint in the groove body, the diversion grooves enable the repairing agent to be connected with the bridge more tightly, and the firmness is better;
adding a crack-repairing agent into a heating tank through a hopper, stirring and mixing the crack-repairing agent by a stirring paddle in the heating tank, pushing a handle to push a bracket to two sides of a groove body through rollers, wherein the rollers of the bracket are positioned on the road surface of a bridge, then, according to the angle of the groove body, enabling a grouting mechanism to be positioned right above the groove body through the work of a second adjusting mechanism, and then injecting the crack-repairing agent into the groove body, so as to repair the expansion joint of the bridge, firstly, driving a driving gear to rotate through controlling a rotating motor, driving a gear disc to rotate through a meshing action, thereby driving a grouting plate of the grouting mechanism to rotate, enabling the grouting plate to be positioned right above the groove body, then, controlling an air cylinder to drive a base to move downwards, enabling a movable pipe and the grouting mechanism connected with the movable pipe to move downwards through a telescopic hose, enabling a fixing seat of the grouting mechanism to move downwards and press on the road surface of the bridge, the crack-repairing agent in the heating tank is discharged from a grouting hole of the grouting plate along the flexible hose, the movable pipe and the grouting plate in sequence and enters the tank body and the diversion trench; the crack-repairing agent has high viscosity and extensibility, and can automatically repair the expansion joint on the bridge under the matching work of the first adjusting mechanism, the flattening mechanism, the grouting mechanism and the second adjusting mechanism on the bracket, and the shape of the expansion joint is faced, so that the expansion joint can be repaired even if the expansion joint is irregular, and after the repair, the crack-repairing agent is compacted by the flattening mechanism to be leveled with the road surface without influencing the running of a vehicle;
through first adjustment mechanism work for the compression roller in the mechanism that flattens is parallel with the cell body, the rethread first adjustment mechanism makes the compression roller descend, makes the compression roller carry out the compaction to the mending agent in the cell body, because the height that highly is higher than the fixing base bottom surface of slip casting board bottom surface, makes after the compression roller flattens, the mending agent of cell body is flat mutually with the road surface of bridge, then waits the mending agent solidification, makes mending agent and the road surface of bridge connect in an organic whole, thereby fills the expansion joint to the bridge.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic perspective view of a first adjustment mechanism according to the present invention.
Fig. 3 is a bottom view of the first adjustment mechanism of the present invention.
Fig. 4 is a schematic structural view of the flattening mechanism of the present invention.
Fig. 5 is a schematic perspective view of the flattening mechanism of the present invention.
Fig. 6 is a schematic structural diagram of a grouting mechanism in the invention.
FIG. 7 is a schematic structural view of the connection relationship between the trough body and the bridge.
In the figure: 1. a support; 2. a roller; 3. a handle; 4. a heating tank; 5. a hopper; 6. a first adjustment mechanism; 7. a flattening mechanism; 8. a grouting mechanism; 9. a second adjustment mechanism; 10. a flexible hose; 11. a cylinder; 12. a fixing plate; 13. a movable tube; 14. a fixed tube; 15. a rotating electric machine; 16. a housing; 17. a base; 18. a gear plate; 19. a connecting pipe; 20. installing a frame; 21. a first connecting beam; 22. a second connecting beam; 23. a compression roller; 24. a turntable; 25. a limiting slide bar; 26. mounting wheels; 27. a fixed seat; 28. connecting a sleeve; 29. a flow chamber; 30. grouting holes; 31. an elastic pad; 32. a bridge; 33. a trough body; 34. a shunt slot; 35. an expansion joint.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a method for repairing a bridge expansion joint includes the following steps:
s1, a groove body 33 is formed at an expansion joint 35 on the pavement of the bridge 32 through a drilling machine, a diversion trench 34 is formed in two sides of the groove body 33 through a drilling machine, the diversion trench 34 is located inside the pavement of the bridge 32, dust in the groove body 33 and the diversion trench 34 is cleaned, a grouting mechanism 8 of a grouting plate with the same width is selected according to the width of the groove body 33, the grouting mechanism 8 is installed on a second adjusting mechanism 9, meanwhile, a screw rod rotates through rotation of a rotary disc 24, so that the distance between a first connecting beam 21 and a second connecting beam 22 is changed, and a press roller 23 with the same width as the groove body 33 is installed on a flattening mechanism 7;
s2, adding a crack-repairing agent into a heating tank 4 through a hopper 5, stirring and mixing the crack-repairing agent by a stirring paddle in the heating tank 4, pushing a handle 3 to push a bracket 1 to two sides of a groove body 33 through a roller 2, positioning the roller 2 of the bracket 1 on the road surface of a bridge 32, then, working through a second adjusting mechanism 9 according to the angle of the groove body 33 to enable a grouting mechanism 8 to be positioned right above the groove body 33, then injecting the crack-repairing agent into the groove body 33 to repair an expansion joint 35 of the bridge 32, firstly, driving a driving gear to rotate through controlling a rotating motor 15, driving a gear disc 18 to rotate through meshing action of the driving gear to drive a grouting plate of the grouting mechanism 8 to rotate so that the grouting plate is positioned right above the groove body 33, then, controlling a cylinder 11 to drive a base 17 to move downwards, and enabling a movable pipe 13 and the grouting mechanism 8 connected with the movable pipe 13 to move downwards through a telescopic hose 10, the fixed seat 27 of the grouting mechanism 8 moves downwards and presses on the road surface of the bridge 32, so that the crack-repairing agent in the heating tank 4 sequentially flows along the flexible hose 10, the movable pipe 13 and the grouting plate and is discharged from the grouting hole 30 of the grouting plate into the trough body 33 and the diversion trench 34; wherein, the crack-filling agent consists of the following seams by weight: 450 parts of heavy traffic asphalt, 6 parts of styrene butadiene copolymer, 400 parts of kerosene, 2.5 parts of dispersant, 3.5 parts of methyl tin mercaptide, 0.15 part of antioxidant, 1 part of sodium butadiene rubber and 1.5 parts of filler; the filler is formed by mixing silicon carbide and zircon powder according to the weight ratio of 1: 1; the dispersing agent is mixture of vinyl bis stearamide and zinc stearate or magnesium stearate according to the weight ratio of 1: 1; the antioxidant is prepared by mixing nickel dibutyldithiocarbamate and N, N' -di (beta-naphthyl) p-phenylenediamine according to the weight ratio of 1: 1;
s3, the first adjusting mechanism 6 works to enable the pressing roller 23 on the flattening mechanism 7 to be parallel to the groove body 33, the first adjusting mechanism 6 enables the pressing roller 23 to descend, the pressing roller 23 compacts the crack repairing agent in the groove body 33, and the bottom surface of the grouting plate is higher than the bottom surface of the fixing seat 27, so that after the pressing roller 23 is flattened, the crack repairing agent in the groove body 33 is parallel to the road surface of the bridge 32, and then the crack repairing agent is solidified, so that the crack repairing agent is connected with the road surface of the bridge 32 into a whole, and the expansion joint 35 of the bridge 32 is filled.
The top surface top of support 1 is provided with heating tank 4, and second adjustment mechanism 9 is installed through branch to the top surface below of support 1, and the output and the slip casting mechanism 8 of second adjustment mechanism 9 are connected, and the one side that is located second adjustment mechanism 9 is provided with first adjustment mechanism 6, and the output and the mechanism 7 that flattens of first adjustment mechanism 6 are connected.
The first adjusting mechanism 6 and the second adjusting mechanism 9 have the same structure, the first adjusting mechanism 6 and the second adjusting mechanism 9 each comprise an air cylinder 11, a fixed plate 12, a movable tube 13, a fixed tube 14, a rotating motor 15, a shell 16, a base 17, a gear disc 18 and a connecting tube 19, the air cylinders 11 are respectively arranged on two sides of the top surface of the fixed plate 12, the air cylinders 11 are mounted on the top surface of the bracket 1 through supporting rods, the output ends of the air cylinders 11 penetrate through the fixed plate 12 and are connected with the base 17, the base 17 is positioned right below the fixed plate 12, the fixed tube 14 penetrates through the middle part of the fixed plate 12, the movable tube 13 penetrates through the fixed tube 14 and is movably connected with the fixed tube 14, the bottom end of the movable tube 13 penetrates through the base 17 and is rotatably connected with the base 17, the gear disc 18 is sleeved on the bottom end of the movable tube 13, the gear disc 18 is rotatably mounted on the base 17, the base 17 is provided with the rotating motor 15, the output end of the rotating motor 15 penetrates through the base 17 and is connected with a driving gear, the driving gear is located in the shell 16, the shell 16 is installed on the base 17, the driving gear is connected with the gear disc 18 in a meshed mode, and the gear disc 18 is installed on the bottom face of the base 17 in a rotating mode.
The top end of a movable pipe 13 of the second adjusting mechanism 9 is rotatably connected with the bottom end of a flexible hose 10 through a sealed bearing, the top end of the flexible hose 10 is connected with a discharge hole of the heating tank 4, and the top end of the movable pipe 13 of the first adjusting mechanism 6 is positioned below the top surface of the support 1 and is not connected with the support 1;
the bottom end of the movable pipe 13 of the second adjusting mechanism 9 is connected with the grouting mechanism 8 through a connecting pipe 19, and the bottom end of the movable pipe 13 of the first adjusting mechanism 6 is connected with the flattening mechanism 7 through a connecting pipe 19.
Flattening mechanism 7 includes installing frame 20, first tie-beam 21, second tie-beam 22, compression roller 23, carousel 24, spacing slide bar 25, installation wheel 26, installing frame 20 is connected with the bottom of connecting pipe 19, the bottom surface both sides of installing frame 20 are provided with spacing slide bar 25 respectively, spacing slide bar 25 runs through first tie-beam 21 and second tie-beam 22, and with first tie-beam 21 fixed connection, with second tie-beam 22 sliding connection, first tie-beam 21 and second tie-beam 22 parallel arrangement, installation wheel 26 is installed at first tie-beam 21 and second tie-beam 22's lateral wall both ends, compression roller 23 is located between installation wheel 26, be provided with the mounting hole with installation wheel 26 looks adaptation on the compression roller 23.
A turntable 24 is arranged on one side of the mounting frame 20, the turntable 24 is connected with one end of a screw, the other end of the screw sequentially penetrates through the first connecting beam 21 and the second connecting beam 22, the second connecting beam 22 is in threaded connection, and the screw is not in contact with the first connecting beam 21; the screw is located directly above a set of limit slide bars 25.
The bottom surface of the fixed seat 27 is provided with an elastic pad 31, and the height of the bottom surface of the grouting plate is higher than that of the bottom surface of the fixed seat 27.
The bottom of support 1 is provided with gyro wheel 2, and one side of support 1 is provided with handle 3, and the feed inlet at 4 tops of heating jar is provided with hopper 5.
The working principle of the invention is as follows: a groove body 33 is formed at an expansion joint 35 on the pavement of a bridge 32 through a drilling machine, and shunt grooves 34 are formed on two sides of the groove body 33 through drilling machines, the shunt grooves 34 are positioned inside the pavement of the bridge 32, dust of the groove body 33 and the shunt grooves 34 is cleaned, grouting mechanisms 8 of grouting plates with the same width are selected according to the width of the groove body 33, the grouting mechanisms 8 are installed on a second adjusting mechanism 9, meanwhile, a screw rod is rotated through rotating a rotary disc 24, so that the distance between a first connecting beam 21 and a second connecting beam 22 is changed, a press roller 23 with the same width as the groove body 33 is installed on a flattening mechanism 7, the shunt grooves 34 are arranged on two sides of the shunt grooves 34, so that the expansion joint repairing agent fills the repair groove 35 through the repair groove 33, the shunt grooves 34 enable the connection between the expansion joint repairing agent and the bridge 32 to be tighter, and the firmness is better;
adding a crack-repairing agent into a heating tank 4 through a hopper 5, stirring and mixing the crack-repairing agent by a stirring paddle in the heating tank 4, pushing a handle 3 to push a bracket 1 to two sides of a groove body 33 through rollers 2, wherein the rollers 2 of the bracket 1 are positioned on the road surface of a bridge 32, then, working through a second adjusting mechanism 9 according to the angle of the groove body 33 to enable a grouting mechanism 8 to be positioned right above the groove body 33, then injecting the crack-repairing agent into the groove body 33 to repair an expansion joint 35 of the bridge 32, firstly, driving a driving gear to rotate through controlling a rotating motor 15, driving a gear disc 18 to rotate through meshing action by the driving gear to drive a grouting plate of the grouting mechanism 8 to rotate, enabling the grouting plate to be positioned right above the groove body 33, then, controlling a cylinder 11 to drive a base 17 to move downwards, and enabling a movable pipe 13 and the grouting mechanism 8 connected with the movable pipe 13 to move downwards through a telescopic hose 10, the fixed seat 27 of the grouting mechanism 8 moves downwards and presses on the road surface of the bridge 32, so that the crack-repairing agent in the heating tank 4 sequentially flows along the flexible hose 10, the movable pipe 13 and the grouting plate and is discharged from the grouting hole 30 of the grouting plate into the trough body 33 and the diversion trench 34; the crack-repairing agent has high viscosity and extensibility, and meanwhile, under the matching work of the first adjusting mechanism 6, the flattening mechanism 7, the grouting mechanism 8 and the second adjusting mechanism 9 on the bracket 1, the automatic repair of the expansion joint 35 on the bridge 32 can be realized, and the shape of the expansion joint 35 is faced, so that the expansion joint 35 can be repaired even if the expansion joint 35 is irregular, and after the repair, the crack-repairing agent is compacted by the flattening mechanism 7, so that the crack-repairing agent is flattened on the road surface, the running of a vehicle is not influenced, in addition, the grouting mechanism 8 can be conveniently replaced by the connecting pipe 19, and the compression roller 23 is also conveniently replaced by a screw connected with the turntable 24, so that the crack-repairing agent can be suitable for the expansion joints 35 with different widths;
work through first adjustment mechanism 6, make the compression roller 23 on the mechanism 7 that flattens parallel with cell body 33, rethread first adjustment mechanism 6 makes compression roller 23 descend, make compression roller 23 carry out the compaction to the crack-repairing agent in the cell body 33, because the height that highly is higher than the fixing base 27 bottom surface of slip casting plate bottom surface, make after the compression roller 23 flattens, the crack-repairing agent of cell body 33 is level with the road surface of bridge 32 mutually, then wait the crack-repairing agent solidification, make the crack-repairing agent and the road surface of bridge 32 connect in an organic whole, thereby fill up the expansion joint 35 of bridge 32.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A method for repairing a bridge expansion joint is characterized by comprising the following steps: the method comprises the following steps:
s1, a groove body (33) is formed in an expansion joint (35) on the pavement of a bridge (32) through a drilling machine, a diversion trench (34) is formed in two sides of the groove body (33) through the drilling machine, the diversion trench (34) is located in the pavement of the bridge (32), then dust of the groove body (33) and the diversion trench (34) is cleaned, then a grouting mechanism (8) of a grouting plate with the same width is selected according to the width of the groove body (33), the grouting mechanism 8 is installed on a second adjusting mechanism (9), meanwhile, a screw rod is rotated through rotating a rotary disc (24), so that the distance between a first connecting beam (21) and a second connecting beam (22) is changed, and then a press roller (23) with the same width as the groove body (33) is installed on a flattening mechanism (7);
s2, adding a crack-repairing agent into a heating tank (4) through a hopper (5), stirring and mixing the crack-repairing agent by a stirring paddle in the heating tank (4), pushing a handle (3) to push a bracket (1) to two sides of a groove body (33) through a roller (2), positioning the roller (2) of the bracket (1) on the road surface of a bridge (32), then, working through a second adjusting mechanism (9) according to the angle of the groove body (33) to enable a grouting mechanism (8) to be positioned right above the groove body (33), then, injecting the crack-repairing agent into the groove body (33) so as to repair an expansion joint (35) of the bridge (32), firstly, driving a driving gear to rotate through controlling a rotating motor (15), driving a gear disc (18) to rotate through a meshing effect, driving a grouting plate of the grouting mechanism (8) to rotate, and enabling the grouting plate to be positioned right above the groove body (33), then, the cylinder (11) is controlled to drive the base (17) to move downwards, the movable pipe (13) and a grouting mechanism (8) connected with the movable pipe (13) move downwards through the telescopic hose (10), a fixing seat (27) of the grouting mechanism (8) moves downwards and presses on the road surface of a bridge (32), so that a crack repairing agent in the heating tank (4) sequentially flows along the telescopic hose (10), the movable pipe (13) and a grouting plate and is discharged from a grouting hole (30) of the grouting plate to enter a groove body (33) and a diversion trench (34);
s3, the pressing roller (23) on the flattening mechanism (7) is parallel to the groove body (33) through the work of the first adjusting mechanism (6), the pressing roller (23) descends through the first adjusting mechanism (6), the pressing roller (23) compacts the gap filler in the groove body (33), and due to the fact that the height of the bottom surface of the grouting plate is higher than that of the bottom surface of the fixing seat (27), after the pressing roller (23) is flattened, the gap filler of the groove body (33) is parallel to the road surface of the bridge (32), the gap filler is solidified, the gap filler is connected with the road surface of the bridge (32) into a whole, and therefore the expansion joint (35) of the bridge (32) is filled.
2. The method for repairing a bridge expansion joint according to claim 1, wherein a heating tank (4) is arranged above the top surface of the support (1), a second adjusting mechanism (9) is arranged below the top surface of the support (1) through a support rod, the output end of the second adjusting mechanism (9) is connected with the grouting mechanism (8), a first adjusting mechanism (6) is arranged on one side of the second adjusting mechanism (9), and the output end of the first adjusting mechanism (6) is connected with the flattening mechanism (7).
3. The method for repairing the bridge expansion joint according to claim 2, wherein the first adjusting mechanism (6) and the second adjusting mechanism (9) have the same structure, the first adjusting mechanism (6) and the second adjusting mechanism (9) respectively comprise an air cylinder (11), a fixed plate (12), a movable pipe (13), a fixed pipe (14), a rotating motor (15), a shell (16), a base (17), a gear plate (18) and a connecting pipe (19), the air cylinders (11) are respectively arranged on two sides of the top surface of the fixed plate (12), the air cylinders (11) are arranged on the top surface of the bracket (1) through supporting rods, the output ends of the air cylinders (11) penetrate through the fixed plate (12) and are connected with the base (17), the base (17) is positioned under the fixed plate (12), the fixed pipe (14) penetrates through the middle part of the fixed plate (12), the movable pipe (13) penetrates through the fixed pipe (14), and with fixed pipe (14) swing joint, base (17) are run through to the bottom of activity pipe (13), and rotate with base (17) and be connected, the bottom cover of activity pipe (13) is equipped with toothed disc (18), toothed disc (18) rotate and install on base (17), be provided with rotating electrical machines (15) on base (17), base (17) are passed to the output of rotating electrical machines (15), and be connected with the driving gear, the driving gear is located casing (16), install on base (17) casing (16), the driving gear is connected with toothed disc (18) meshing, toothed disc (18) rotate and install on the bottom surface of base (17).
4. The method for repairing a bridge expansion joint according to claim 3, wherein the top end of the movable pipe (13) of the second adjusting mechanism (9) is rotatably connected with the bottom end of the telescopic hose (10) through a sealed bearing, the top end of the telescopic hose (10) is connected with the discharge hole of the heating tank (4), and the top end of the movable pipe (13) of the first adjusting mechanism (6) is positioned below the top surface of the bracket (1) and is not connected with the bracket (1);
the bottom end of a movable pipe (13) of the second adjusting mechanism (9) is connected with the grouting mechanism (8) through a connecting pipe (19), and the bottom end of the movable pipe (13) of the first adjusting mechanism (6) is connected with the flattening mechanism (7) through the connecting pipe (19).
5. The method for repairing a bridge expansion joint according to claim 2, wherein the flattening mechanism (7) comprises a mounting frame (20), a first connecting beam (21), a second connecting beam (22), a compression roller (23), a rotary table (24), a limiting slide rod (25) and mounting wheels (26), the mounting frame (20) is connected with the bottom end of the connecting pipe (19), the limiting slide rod (25) is respectively arranged on two sides of the bottom surface of the mounting frame (20), the limiting slide rod (25) penetrates through the first connecting beam (21) and the second connecting beam (22), is fixedly connected with the first connecting beam (21) and is slidably connected with the second connecting beam (22), the first connecting beam (21) and the second connecting beam (22) are arranged in parallel, the mounting wheels (26) are mounted at two ends of the side walls of the first connecting beam (21) and the second connecting beam (22), and the compression roller (23) is located between the mounting wheels (26), the press roll (23) is provided with a mounting hole matched with the mounting wheel (26).
6. The method for repairing a bridge expansion joint according to claim 5, wherein a rotary disc (24) is arranged on one side of the mounting frame (20), the rotary disc (24) is connected with one end of a screw rod, the other end of the screw rod sequentially passes through the first connecting beam (21) and the second connecting beam (22), the second connecting beam (22) is in threaded connection, and the screw rod is not in contact with the first connecting beam (21); the screw rod is positioned right above the group of limiting slide rods (25).
7. The method for repairing the bridge expansion joint according to claim 2, wherein the grouting mechanism (8) comprises fixing seats (27), connecting sleeves (28), flowing cavities (29), grouting holes (30) and elastic pads (31), the fixing seats (27) are arranged side by side, a grouting plate is arranged between the two groups of fixing seats (27), the flowing cavities (29) are arranged in the grouting plate, the connecting sleeves (28) are arranged on the top surface of the grouting plate, the connecting sleeves (28) are in threaded connection with the connecting pipes (19), and a plurality of groups of grouting holes (30) are uniformly arranged on the bottom surface of the grouting plate.
8. The method for repairing a bridge expansion joint according to claim 7, wherein the bottom surface of the fixing seat (27) is provided with an elastic pad (31), and the height of the bottom surface of the grouting plate is higher than that of the bottom surface of the fixing seat (27).
9. The method for repairing the bridge expansion joint according to claim 2, wherein the bottom of the support (1) is provided with the roller (2), one side of the support (1) is provided with the handle (3), and a feeding port at the top of the heating tank (4) is provided with the hopper (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664124.XA CN113373830A (en) | 2021-06-16 | 2021-06-16 | Method for repairing bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664124.XA CN113373830A (en) | 2021-06-16 | 2021-06-16 | Method for repairing bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113373830A true CN113373830A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110664124.XA Withdrawn CN113373830A (en) | 2021-06-16 | 2021-06-16 | Method for repairing bridge expansion joint |
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| CN (1) | CN113373830A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833036A (en) * | 2021-09-30 | 2021-12-24 | 中建新疆建工（集团）有限公司 | Concrete crack repairing device and method for repairing concrete cracks |
-
2021
- 2021-06-16 CN CN202110664124.XA patent/CN113373830A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833036A (en) * | 2021-09-30 | 2021-12-24 | 中建新疆建工（集团）有限公司 | Concrete crack repairing device and method for repairing concrete cracks |
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