CN112176857A

CN112176857A - Comb-shaped elastic telescopic component and joint filling module

Info

Publication number: CN112176857A
Application number: CN201910585906.7A
Authority: CN
Inventors: 唐国斌; 宋世刚; 陈湘华
Original assignee: Shenzhen Visborn Building New Material Technology Co ltd
Current assignee: Shenzhen Visborn Building New Material Technology Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2021-01-05

Abstract

The invention discloses a comb-tooth elastic telescopic component and a joint filling module, wherein the comb-tooth elastic telescopic component comprises: the comb plate fixing device comprises a plurality of comb plates which are vertically arranged, at least one shaft pin which penetrates through all the comb plates, and two mounting plates which are positioned at two ends of the shaft pin and are oppositely arranged; an elastic layer for coating all the comb plates and the shaft pins is filled between the two mounting plates. The invention can effectively prolong the maintenance cycle or the replacement cycle of the joint filling module.

Description

Comb-shaped elastic telescopic component and joint filling module

Technical Field

The invention relates to the technical field of gap filling structures of bridges, in particular to a comb-tooth-shaped elastic telescopic component and a gap filling module.

Background

The expansion joint of the highway or bridge is set up for meeting the road surface deformation requirement, and the main effect of expansion joint lies in adjusting the displacement and the connection between the superstructure that arouses by vehicle load and bridge building material, and the seamless of expansion joint is one of the effective solution of solving present vehicle operation structure impact damage and noise pollution.

The expansion joint is generally provided with an elastic expansion member, and the elastic expansion member comprises a hard corrugated member and a buffer layer so that the expansion joint has good deformation capacity. Through a plurality of experimental analyses, the deformation of the elastic telescopic member is larger in the process of being extruded by the load of a vehicle, the buffer layer can bulge or dent to a larger extent in the telescopic process of the hard waveform member, the buffer layer still can deform and lose efficacy after long-time use, and the maintenance period or the replacement period of the caulking module is shorter.

Therefore, how to design the comb-shaped elastic expansion member and the caulking module with long service life is an urgent technical problem to be solved in the industry.

Disclosure of Invention

In order to overcome the defect of short service life in the prior art, the invention provides the comb-tooth-shaped elastic telescopic component and the joint filling module, which have the advantages of low noise, small vibration of a beam end, deformation resistance, wear resistance and the like.

The technical scheme adopted by the invention is that the elastic telescopic component of the comb plate is designed, and the elastic telescopic component comprises the following components: the comb plate fixing device comprises a plurality of comb plates which are vertically arranged, at least one shaft pin which penetrates through all the comb plates, and two mounting plates which are positioned at two ends of the shaft pin and are oppositely arranged; an elastic layer for coating all the comb plates and the shaft pins is filled between the two mounting plates.

Preferably, the end of the axle pin and the corresponding side mounting plate are isolated by a spring, and the spring extends and contracts along the axial direction of the axle pin.

Preferably, the end part of the shaft pin is movably sleeved with a telescopic sleeve, the spring is positioned in the telescopic sleeve, and the elastic layer covers the telescopic sleeve.

Preferably, the comb plate is provided with through holes arranged along the length direction thereof, and the elastic layer is filled with all the through holes.

Preferably, a plurality of connecting holes are distributed on the comb plate, the aperture of each connecting hole is in clearance fit with the outer diameter of each shaft pin, each connecting hole corresponds to one shaft pin, and all shaft pins are parallel to each other.

Preferably, the comb plate is staggered in the length direction, so that the end part of the elastic telescopic member of the comb plate is in an uneven tooth shape; when two adjacent fishback elastic expansion members are spliced in the length direction, the end part of one fishback elastic expansion member is mutually meshed with the end part of the other fishback elastic expansion member.

Preferably, the top of the splicing position of the two adjacent comb plate elastic telescopic members is provided with a connecting groove, and the connecting groove is filled with a bonding agent.

Preferably, the comb plate has an outer shape of any one of a flat plate, a corrugated plate, and a curved plate.

Preferably, the thickness range of the comb tooth plates is 1 mm-20 mm, and the distance range between every two adjacent comb tooth plates is 1 mm-20 mm.

The invention also provides a caulking module with the comb plate elastic telescopic component, which comprises: straddle establish on the expansion joint of highway or bridge the seam steel sheet, locate the fishback elastic expansion component on the seam steel sheet, the seam steel sheet is fixed on the expansion joint, fishback elastic expansion component's mounting panel fixed connection is on the seam steel sheet.

Compared with the prior art, the elastic telescopic component of the comb plate is formed by wrapping the comb plate which is vertically arranged in a nested manner by the elastic layer, the comb plates are connected in series by the metal shaft pins in the vertical direction, the bottom of the elastic telescopic component of the comb plate is provided with the seam-riding steel plate, and two ends of the elastic telescopic component of the comb plate are anchored on the seam-riding steel plate by the fastening bolts. When the elastic telescopic component of the comb plate is deformed by vehicle passing or structural compression, the comb plate which is vertically arranged in a nested manner is wrapped by the elastic material and slides on the shaft pin in series, so that the deformation of the upper arch of the elastic telescopic component can be reduced, and the bearing rigidity is provided for the elastic telescopic component. The elastic layer can generate damping effect when rolling the vehicle, so that the vibration noise is reduced, and the elasticity of the elastic layer plays a role of a spring for rapidly recovering deformation. The seam steel sheet adopts anchor bolt and expansion joint fixed, and fishback elastic expansion component adopts the bolt fastening with the seam steel sheet on the road, and the assembly of two adjacent fishback elastic expansion components adopts the binder to bond, and wholeness can be good, and the anchor is firm, avoids elastic expansion component anchor bolt not hard up or even drops, guarantees driving safety and reliability.

Drawings

The invention is described in detail below with reference to examples and figures, in which:

FIG. 1 is a cross-sectional view of a first embodiment of a caulking module of the present invention;

FIG. 2 is a top plan view of a first embodiment of a caulking module of the present invention;

FIG. 3 is a schematic top view of a saddle-stitched steel plate according to the present invention;

figure 4 is a schematic elevational view of the comb plate of the present invention;

FIG. 5 is a schematic view of the splice installation of two adjacent caulking modules of the present invention;

FIG. 6 is a schematic illustration of the splice elevation of two adjacent caulking modules of the present invention;

figure 7 is a top plan view of a second embodiment of a caulking module of the present invention.

Detailed Description

As shown in fig. 1 to 3, the present invention provides a caulking module with an elastic expansion member of a comb plate, the caulking module is adapted to a bridge pavement structure, the bridge pavement structure includes two bridge structures 200 and two pavement structures 100 which are adjacently arranged, the bridge structures 200 and the pavement structures 100 are arranged in a one-to-one correspondence, the pavement structures 100 are laid on the corresponding bridge structures 200, the distance between the two pavement structures 100 is greater than the distance between the two bridge structures 200, an expansion joint capable of expanding with heat and contracting with cold is formed between the two bridge structures 200, the length direction of the expansion joint is the bridge width, the width direction of the expansion joint is the vehicle passing direction, and the cavity between the two pavement structures 100 is used for installing the caulking module.

Specifically, the caulking module includes: the steel plate 6 and the fishback elastic expansion component of the joint riding, the steel plate 6 strides over and establishes on the expansion joint, take joint filling module one side as an example, be equipped with between the bridge structure 200 and the road surface structure 100 of the module of caulking and this side and pour the chamber, concrete 300 has been pour in the pouring chamber, joint riding steel plate 6 comprises two parts of left and right parts of sub steel plate concatenation, the concatenation position of two parts of sub steel plate is the cusp, the left side of sub steel plate strides and establishes on the concrete 300 of expansion joint both sides, its one end is fixed on the concrete 300 of left side bridge structure 200 through anchor bolt 7, its other end and the concatenation of right side sub steel plate, the right side of sub steel plate passes through anchor bolt 7 to be fixed on the concrete 300 of right. Mortar 8 is filled in a gap between the joint filling module and the two pavement structures 100, and pavement asphalt 6 flush with the top surfaces of the joint filling modules is laid on the top surfaces of the concrete 300.

As shown in fig. 1 and 4, the comb-teeth-shaped elastic expansion member includes: a plurality of comb plates 4 arranged vertically, at least one shaft pin 3 penetrating through all comb plates 4, and two mounting plates 11 located at two ends of the shaft pin 3 and arranged oppositely, wherein the elastic layer 5 wraps the spring 1, the telescopic sleeve 2, the shaft pin 3 and the comb plates 4 in a casting or pouring elastic material mode to form a comb plate elastic telescopic component. Comb plate 4 has through-hole 300 along its length direction range, and comb plate 4 and the quantity of through-hole 300 all can design according to actual need, and elastic layer 5 is full of all through-holes, and comb plate 4 is last to distribute has a plurality of connecting holes 400, and the aperture of connecting hole 400 and the external diameter clearance fit of pivot, every connecting hole 400 correspond a pivot 3, and pivot 3 passes from connecting hole 400 in order to concatenate all comb plates 4, and all pivot 3 are parallel to each other.

As shown in fig. 5, 6, the length direction perpendicular to expansion joint's of fishback 4 width direction, the width direction of expansion joint is the vehicle direction of passing through promptly, and fishback 4 between two mounting panels 11 establishes ties in order through the pivot 3 of level setting, and fishback 4 staggers the setting in length direction to the tip that makes fishback elastic expansion component is unevenness's dentate. When two adjacent fishback elastic expansion members are spliced in the length direction, the end part of one fishback elastic expansion member is mutually meshed with the end part of the other fishback elastic expansion member. The top of two adjacent fishback elastic expansion component concatenation departments sets up the spread groove, and it has the binder to fill in the spread groove, and the spread groove preferably adopts the V-arrangement, and V-arrangement inslot is filled with elasticity anchor binder 10 to realize seamless. The shape of the comb plate 4 is any one of a flat plate, a wave plate and a curved plate, as shown in fig. 1, the shape of the comb plate 4 is a first embodiment of the flat plate, and as shown in fig. 7, the shape of the comb plate 4 is a second embodiment of the wave plate. The thickness range of the comb plate 4 is 1mm ~20mm, and the interval range between two adjacent comb plates 4 is 1mm ~20 mm. The material of the comb plate 4 is one or a combination of two or more of a steel plate, a metal casting plate, a stainless steel plate, an aluminum alloy plate, hard plastics, a fiber composite material and the like.

The comb plate structures vertically arranged provide sufficient rigidity and bearing requirements for the deformation of the telescopic members, and the vertical metal shaft pins 3 are combined in series, so that the phenomenon of upward arching and warping caused by the compression of a casting thermosetting polyurethane elastomer seamless expansion joint system is overcome, and meanwhile, the effect of reducing the bouncing or vibration noise caused by the passing impact of vehicles can be met. The mounting panel of fishback elastic expansion component passes through L type mount fixed connection on the steel sheet 6 of riding a seam, and the side of L type mount passes through screw and 11 fixed connection of mounting panel, and anchor bolt 7 passes the bottom surface and the steel sheet 6 of riding a seam of L type mount and fixes on concrete 300.

The elastic layer 5 is formed in various ways, one of which is made of one or a combination of two or more of thermosetting modified epoxy resin, thermosetting polyurethane resin, thermosetting modified silicone resin, thermosetting modified acrylic resin, thermoplastic elastomer (containing styrenes, olefins, dienes, vinyl chlorides and polyurethanes), vulcanized rubber, and the like, and the production process is one of casting, die casting, extrusion, injection and the like. The other is one or more of polymer emulsion cement mortar, polymer modified concrete, thermosetting modified elastic resin, rubber asphalt, epoxy modified asphalt and the like, and the production and manufacturing process is construction site pouring. The elastic layer 5 is arranged to meet the requirements of low-temperature stretching, no embrittlement, high-temperature compression, no softening and high resilience. Compared with a high polymer modified asphalt seamless expansion joint system adopted at home and abroad, the defects of heavy pressure deformation, cracking, bonding interface damage, aggregate falling, asphalt displacement oil bleeding, pothole formation and the like of the ruts are overcome.

The joint filling module with the comb plate elastic telescopic component can be assembled by adopting factory standardized modules to realize seamless assembly, can also be paved and cast in a construction site to realize seamless assembly, and can effectively prevent the phenomenon of rainwater leakage and corrosion on the road surface. Meanwhile, the operation and maintenance can be carried out quickly by section replacement or local repair.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Comb plate elasticity extension member, its characterized in that includes: the comb plate fixing device comprises a plurality of comb plates which are vertically arranged, at least one shaft pin which penetrates through all the comb plates, and two mounting plates which are respectively positioned at two ends of the shaft pin and are oppositely arranged; and an elastic layer for coating all the comb plates and the shaft pins is filled between the two mounting plates.

2. The comb plate elastic expansion member of claim 1, wherein the ends of the shaft pins and the corresponding side mounting plates thereof are isolated by springs, which expand and contract in the axial direction of the shaft pins.

3. The comb plate elastic expansion member of claim 2, wherein the end of the shaft pin is movably sleeved with an expansion sleeve, the spring is located in the expansion sleeve, and the elastic layer covers the expansion sleeve.

4. The elastically stretchable comb plate member according to claim 1, wherein the comb plate has through holes arranged along a length direction thereof, and the elastic layer fills all the through holes.

5. The elastically stretchable comb plate member as set forth in claim 1, wherein a plurality of connecting holes are distributed on the comb plate, the hole diameter of the connecting holes is in clearance fit with the outer diameter of the shaft pins, each connecting hole corresponds to one shaft pin, and all the shaft pins are parallel to each other.

6. The comb plate elastic expansion member of claim 1, wherein the comb plates are arranged in a staggered manner in a length direction so that the ends of the comb plate elastic expansion member are in a rugged tooth shape; when two adjacent combplate elastic telescopic members are spliced in the length direction, the end part of one combplate elastic telescopic member is mutually meshed with the end part of the other combplate elastic telescopic member.

7. The comb plate elastic expansion member of claim 6, wherein the top of the splicing part of two adjacent comb plate elastic expansion members is provided with a connecting groove, and the connecting groove is filled with adhesive.

8. The elastically stretchable comb plate member of claim 1, wherein the comb plate has an outer shape of any one of a flat plate, a corrugated plate, and a curved plate.

9. The elastically stretchable comb plate member according to claim 1, wherein the comb plate has a thickness ranging from 1mm to 20mm, and a distance between two adjacent comb plates ranges from 1mm to 20 mm.

10. A caulking module having the elastically stretchable member of the comb plate according to any one of claims 1 to 9, comprising: the bridge piece comprises a riding seam steel plate arranged on an expansion joint of a road or a bridge in a spanning mode, and a comb plate elastic telescopic component arranged on the riding seam steel plate, wherein the riding seam steel plate is fixed on the expansion joint, and a mounting plate of the comb plate elastic telescopic component is fixedly connected to the riding seam steel plate.