CN111287077A - Height-adjustable bridge expansion joint component capable of realizing transverse connection - Google Patents
Height-adjustable bridge expansion joint component capable of realizing transverse connection Download PDFInfo
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- CN111287077A CN111287077A CN202010148577.2A CN202010148577A CN111287077A CN 111287077 A CN111287077 A CN 111287077A CN 202010148577 A CN202010148577 A CN 202010148577A CN 111287077 A CN111287077 A CN 111287077A
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- rod
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- fixedly connected
- expansion joint
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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Abstract
The invention relates to the technical field of bridge expansion joints, and discloses a bridge expansion joint member with adjustable height and capable of realizing transverse connection. This height-adjustable just realizes transverse connection's bridge expansion joint component, can be fixed in two recesses inside with the connecting plate both ends through screwing up the second bolt, with this connection between the adjacent member of realization, customize the member of overlength when having avoided the bridge floor broad, production and cost of transportation have been reduced, change the relative position in first bar hole and second bar hole through the slip member, screw up first bolt and fix the member again, can realize the regulation to the member height, be favorable to the highly aligned with the member of both sides.
Description
Technical Field
The invention relates to the technical field of expansion joints, in particular to a bridge expansion joint member with adjustable height and capable of realizing transverse connection.
Background
A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. The function of the bridge expansion joints is to accommodate the displacement and coupling between the superstructure caused by vehicle loads and bridge building materials.
Present bridge expansion joint component needs the customization suitable length, needs the very long expansion joint of customization to the bridge of bridge floor broad, and manufacturing cost and cost of transportation are all higher, need to demolish the welding piece that is used for connecting during the installation of expansion joint simultaneously, but demolish the member of back both sides and easily produce the difference in height, influence the installation effect.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bridge expansion joint member with adjustable height and capable of realizing transverse connection, which has the advantages of high strength, low cost, convenience in adjustment and the like, and solves the problems that the conventional bridge expansion joint member needs to be customized to be proper in length, a very long expansion joint needs to be customized for a bridge with a wider bridge deck, the production cost and the transportation cost are high, meanwhile, welding parts for connection need to be dismantled when the expansion joint is installed, but the height difference is easily generated between the rod pieces on the two sides after the expansion joint is dismantled, and the installation effect is influenced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a height-adjustable bridge expansion joint member capable of realizing transverse connection comprises two base plates, wherein the two base plates are symmetrically distributed, one opposite sides of the two base plates are respectively connected with a plurality of rod pieces in a sliding manner, the rod pieces are distributed in a linear array manner and are tightly attached to each other, a first strip-shaped hole is formed in the surface of each base plate, a second strip-shaped hole is formed in the side surface of each rod piece, the second strip-shaped hole corresponds to the first strip-shaped hole in position, a first bolt is arranged in each first strip-shaped hole, the tops of the front ends of the rod pieces are respectively provided with a first groove, the tops of the rear ends of the rod pieces are respectively provided with a second groove, the bottoms of the first groove and the second groove are respectively provided with an opening, a connecting plate is arranged at the joint of the two adjacent rod pieces, the two ends of each connecting plate are respectively positioned in the first groove and the, and a second bolt is arranged in the hole, and two adjacent rod pieces are fixedly connected through a connecting plate.
Two one side that the base plate carried on the back mutually all is equipped with multiunit evenly distributed's connecting piece, the connecting piece includes trapezoidal plate, trapezoidal plate and base plate fixed connection, the base plate top is equipped with first splice bar, first splice bar and base plate fixed connection, trapezoidal plate front side fixedly connected with second splice bar, second splice bar alternates with first splice bar each other.
The multiunit the connecting piece is through the straight muscle interconnect of first straight muscle and second, first straight muscle is located second splice bar top and is located first splice bar bottom, the straight muscle of second is located inside the second splice bar.
The rod pieces at two sides are connected through elastic mechanisms, the number of the elastic mechanisms is arranged into a plurality of groups and distributed in a linear array, the elastic mechanism comprises two bases which are symmetrically distributed, the two bases are respectively and fixedly connected with two rod pieces, one opposite side of the two bases is fixedly connected with a first short rod, one end of the first short rod, which is far away from the base, is fixedly connected with a ball sleeve, the interior of the ball sleeve is movably connected with a movable ball, the surface of the movable ball is fixedly connected with a second short rod, one end of the second short rod, which is far away from the movable ball, is fixedly connected with a baffle plate, the baffle plates at the two sides are fixedly connected through a telescopic rod, the telescopic rod is sleeved with a return spring, the ball sleeve and the movable ball can relatively rotate in multiple directions to form a universal joint mechanism, when the rod pieces on the two sides are subjected to relative displacement in multiple directions, the telescopic rod and the return spring play a buffering role and provide deformation spaces in multiple directions.
Preferably, one side of the rod piece, which is far away from the substrate, is provided with a fixing groove, the top of the elastic mechanism is provided with a rubber belt, and the edge of the rubber belt is positioned in the fixing groove.
Preferably, square openings are formed in the edges of the first groove and the second groove, and the square openings are communicated into the fixing grooves.
Preferably, the top edge of one side of the rod piece, which is far away from the base plate, is hinged with a comb-tooth-shaped plate, and the comb-tooth-shaped plate is positioned at the top of the rubber belt.
Preferably, the member is provided with a sliding groove on one side close to the substrate, the substrate is fixedly connected with a sliding strip on one side close to the member, and the sliding strip is located in the sliding groove and matched with the sliding groove.
Compared with the prior art, the invention provides a bridge expansion joint member with adjustable height and capable of realizing transverse connection, which has the following beneficial effects:
1. this height-adjustable just realizes transversal connection's bridge expansion joint component, through being equipped with first recess, second recess and connecting plate, it can be fixed in inside two recesses with the connecting plate both ends to screw up the second bolt, with this connection between the adjacent member of realization, the member of customization overlength when having avoided the bridge floor broad, manufacturing cost and cost of transportation have been reduced, can change the relative position in first bar hole and second bar hole through the slip member, screw up first bolt and fix the member again, can realize the regulation to the member height, be favorable to the highly alignment with the both sides member.
2. This height-adjustable just realizes transversal connection's bridge expansion joint component, through be equipped with the multiunit connecting piece in the base plate side, first splice bar and second splice bar including trapezoidal plate and interlude each other, connect through first straight muscle and the straight muscle of second between the multiunit connecting piece simultaneously, compare ordinary connecting piece, it is higher in the back intensity of actually pouring, through being equipped with elastic mechanism, utilize universal swing joint's activity ball and ball cover and middle telescopic link and reset spring, be favorable to the member of rigid connection both sides, can bear the pressure and the pulling force that the member all directions deformation produced simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of a second slit according to the present invention;
FIG. 4 is a schematic structural view of the connector of the present invention;
fig. 5 is a schematic structural diagram of the elastic mechanism of the present invention.
Wherein: 1. a substrate; 2. a rod member; 3. a first bar-shaped hole; 4. a second bar-shaped hole; 5. a first bolt; 6. a first groove; 7. a second groove; 8. opening a hole; 9. a connecting plate; 10. a second bolt; 11. a trapezoidal plate; 12. a first connecting rib; 13. a second connecting rib; 14. a first straight rib; 15. a second straight rib; 16. a base; 17. a first short bar; 18. a ball sleeve; 19. a movable ball; 20. a second short bar; 21. a baffle plate; 22. a telescopic rod; 23. a return spring; 24. fixing grooves; 25. a rubber belt; 26. a square opening; 27. a comb-tooth-shaped plate; 28. a chute; 29. a slide bar; 30. and (4) holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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. 1-5, a height-adjustable bridge expansion joint member for realizing transverse connection comprises two base plates 1, wherein the number of the base plates 1 is two, the two base plates 1 are symmetrically distributed, one side of each of the two base plates 1 opposite to each other is slidably connected with a plurality of rod members 2, the rod members 2 are distributed in a linear array and are tightly attached to each other, a first strip-shaped hole 3 is formed in the surface of each of the base plates 1, a chute 28 is formed in one side of each of the rod members 2 close to the base plate 1, a slide bar 29 is fixedly connected to one side of each of the base plates 1 close to the rod members 2, the slide bar 29 is positioned in the chute 28 and is matched with the chute 28, in practical application, the chute 28 and the slide bar 29 are vertically arranged, the chute 28 and the slide bar 29 can be arranged into a plurality of groups according to the lengths of the rod members 2, the rod members 2 can slide up and down relative to the base plate 1, second strip-shaped holes, in practical application, a first bolt 5 sequentially penetrates through a first strip-shaped hole 3 and a second strip-shaped hole 4, the positions of rod pieces 2 can be fixed by screwing the first bolt 5, the tops of the front ends of a plurality of rod pieces 2 are all provided with a first groove 6, the tops of the rear ends of the plurality of rod pieces 2 are all provided with a second groove 7, the bottoms of the first groove 6 and the second groove 7 are both provided with an opening 8, the joint of two adjacent rod pieces 2 is provided with a connecting plate 9, two ends of the connecting plate 9 are respectively positioned in the first groove 6 and the second groove 7, the surface of the connecting plate 9 is provided with a hole 30, a second bolt 10 is arranged in the hole 30, the two adjacent rod pieces 2 are fixedly connected through the connecting plate 9, and in practical application, when the connecting plate 9 is placed in the, the position of the hole 30 on the surface of the connecting plate 9 corresponds to the position of the open hole 8, and the two ends of the connecting plate 9 can be respectively fixed in the first groove 6 and the second groove 7 by screwing the second bolt 10.
One side that two base plates 1 carried on the back mutually all is equipped with multiunit evenly distributed's connecting piece, and the connecting piece includes trapezoidal plate 11, trapezoidal plate 11 and 1 fixed connection of base plate, and 1 top of base plate is equipped with first splice bar 12, first splice bar 12 and 1 fixed connection of base plate, 11 front side fixedly connected with second splice bars 13 of trapezoidal plate, and second splice bar 13 alternates each other with first splice bar 12, compares prior art, and intensity is higher.
The multiunit connecting piece is through the first muscle 15 interconnect that straightens of muscle 14 and second, and first muscle 14 that straightens is located 13 tops of second splice bar and is located 12 bottoms of first splice bar, and the second is straightened muscle 15 and is located 13 insides of second splice bar, and in practical application, need straighten muscle 15 and multiunit connecting piece welding with first muscle 14 and second all the time, improved the wholeness of connecting piece, further increased intensity.
Connect through elastic mechanism between the member 2 of both sides, elastic mechanism includes the base 16 of two symmetric distributions, two bases 16 respectively with two 2 fixed connection of member, the equal first quarter butt 17 of fixedly connected with in one side that two bases 16 are relative, 16 one end fixedly connected with ball cover 18 of base are kept away from to first quarter butt 17, the inside swing joint of ball cover 18 has movable ball 19, 19 fixed surface of movable ball is connected with the second quarter butt 20, 19 one end fixedly connected with baffles 21 of movable ball are kept away from to second quarter butt 20, through telescopic link 22 fixed connection between the baffles 21 of both sides, the outer cup joint of telescopic link 22 has reset spring 23, reset spring 23 both ends respectively with two baffles 21 fixed connection. The bridge expansion joint structure in the prior art usually has a buffer part, however, the buffer part generally only provides a buffer function in a horizontal direction or a vertical direction between two adjacent connecting bridge decks, that is, the bridge expansion joint structure in the prior art only provides a deformation space for the bridge decks in the vertical direction or the horizontal direction, and cannot provide a force for relative displacement of the two bridge decks in other directions. In order to solve the technical problem, a universal joint mechanism consisting of a ball sleeve 18 and a movable ball 19 is designed, and meanwhile, an elastic mechanism is formed by matching with a telescopic rod 22 externally sleeved with a return spring 23, the telescopic rod 22 is designed to have stronger telescopic elasticity and have good tensile and compressive properties and good shear strength, so that when relative displacement occurs between adjacent connecting bridge floors, the telescopic rod 22 resists a part of acting force, the larger relative displacement occurring between the two bridge floors and the two rod pieces 2 is reduced, the overall strength of the bridge is further improved, the return spring 23 is designed to have extremely strong resilience force, a certain deformation space is provided for an expansion joint, and a buffer effect is achieved between the two adjacent bridge floors; more importantly, due to the fact that the universal joint mechanism consisting of the ball sleeve 18 and the movable ball 19 is matched with the structure, the ball sleeve 18 and the movable ball 19 can rotate in multiple directions, and when relative displacement or acting force in other directions (including vertical direction and horizontal direction of course) occurs between two adjacent bridge decks and two rod pieces 2, the telescopic rod 22 and the return spring 23 can play a buffering role and provide deformation spaces in other multiple directions. In practical application, the number of the elastic mechanisms is set to be multiple groups and distributed in a linear array, so that the rigid connection of the rod pieces 2 on two sides is facilitated, and meanwhile, the pressure and the tensile force generated by the deformation of the rod pieces 2 in all directions can be borne.
When the connecting rod is used, the connecting plate 9 is placed at the joint of two adjacent rod pieces 2, one end of the connecting plate 9 is located in the first groove 6, the other end of the connecting plate 9 is located in the second groove 7, and then the second bolt 10 is screwed down, so that the connection between the two adjacent rod pieces 2 can be realized. When the top heights of the rod pieces 2 on the left side and the right side are not parallel and level, the first bolt 5 is firstly unscrewed, then the rod pieces 2 slide up and down to adjust the positions of the rod pieces, the first bolt 5 is screwed again after the adjustment is finished, the base plate 1 and the rod pieces 2 can be fixed, then the first straight ribs 14 and the second straight ribs 15 are welded with multiple groups of connecting pieces, and finally the connecting pieces are poured inside the bridge floor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a height-adjustable just realizes transverse connection's bridge expansion joint component, includes base plate (1), its characterized in that: the number of the base plates (1) is two, the two base plates (1) are symmetrically distributed, one side, opposite to the two base plates (1), of each base plate is connected with a plurality of rod pieces (2) in a sliding mode, the rod pieces (2) are distributed in a linear array mode and are tightly attached to each other, a first strip-shaped hole (3) is formed in the surface of each base plate (1), a second strip-shaped hole (4) is formed in the side face of each rod piece (2), the second strip-shaped hole (4) corresponds to the position of the first strip-shaped hole (3), a first bolt (5) is arranged in each first strip-shaped hole (3), the top of the front end of each rod piece (2) is provided with a first groove (6), the top of the rear end of each rod piece (2) is provided with a second groove (7), holes (8) are formed in the bottoms of the first groove (6) and the second groove (7), and a connecting plate (9) is arranged at the joint, two ends of the connecting plate (9) are respectively positioned in the first groove (6) and the second groove (7);
a hole (30) is formed in the surface of the connecting plate (9), a second bolt (10) is arranged in the hole (30), and the two adjacent rod pieces (2) are fixedly connected through the connecting plate (9);
a plurality of groups of connecting pieces which are uniformly distributed are arranged on the opposite sides of the two substrates (1), each connecting piece comprises a trapezoidal plate (11), each trapezoidal plate (11) is fixedly connected with the corresponding substrate (1), a first connecting rib (12) is arranged at the top of each substrate (1), each first connecting rib (12) is fixedly connected with the corresponding substrate (1), a second connecting rib (13) is fixedly connected to the front side of each trapezoidal plate (11), and the second connecting ribs (13) and the first connecting ribs (12) are mutually inserted;
the multiple groups of connecting pieces are connected with each other through a first straight rib (14) and a second straight rib (15), the first straight rib (14) is positioned at the top of the second connecting rib (13) and at the bottom of the first connecting rib (12), and the second straight rib (15) is positioned inside the second connecting rib (13);
the rod pieces (2) at two sides are connected through the elastic mechanisms, the number of the elastic mechanisms is arranged into a plurality of groups and distributed in a linear array, the elastic mechanism comprises two bases (16) which are symmetrically distributed, the two bases (16) are respectively and fixedly connected with the two rod pieces (2), one opposite sides of the two bases (16) are respectively and fixedly connected with a first short rod (17), one end of the first short rod (17) far away from the base (16) is fixedly connected with a ball sleeve (18), a movable ball (19) is movably connected in the ball sleeve (18), a second short rod (20) is fixedly connected on the surface of the movable ball (19), one end of the second short rod (20), which is far away from the movable ball (19), is fixedly connected with a baffle (21), the baffles (21) on the two sides are fixedly connected through a telescopic rod (22), and a return spring (23) is sleeved outside the telescopic rod (22); the ball sleeve (18) and the movable ball (19) can relatively rotate in multiple directions to form a universal joint mechanism, and when the rod pieces (2) on two sides are relatively displaced in multiple directions, the telescopic rod (22) and the return spring (22) play a buffering role and provide deformation spaces in multiple directions.
2. The bridge expansion joint component with adjustable height and capable of realizing transverse connection according to claim 1, wherein: one side, far away from the base plate (1), of the rod piece (2) is provided with a fixing groove (24), the top of the elastic mechanism is provided with a rubber belt (25), and the edge of the rubber belt (25) is located in the fixing groove (24).
3. The bridge expansion joint component with adjustable height and capable of realizing transverse connection according to claim 2, wherein: square openings (26) are formed in the edges of the first groove (6) and the second groove (7), and the square openings (26) are communicated into the fixing grooves (24).
4. The bridge expansion joint component with adjustable height and capable of realizing transverse connection according to claim 2, wherein: the top edge of one side of the rod piece (2) far away from the base plate (1) is hinged with a comb-tooth-shaped plate (27), and the comb-tooth-shaped plate (27) is located at the top of the rubber belt (25).
5. The bridge expansion joint component with adjustable height and capable of realizing transverse connection according to claim 1, wherein: one side of the rod piece (2) close to the base plate (1) is provided with a sliding groove (28), one side of the base plate (1) close to the rod piece (2) is fixedly connected with a sliding strip (29), and the sliding strip (29) is located in the sliding groove (28) and matched with the sliding groove (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148577.2A CN111287077B (en) | 2020-03-05 | 2020-03-05 | Height-adjustable bridge expansion joint component capable of realizing transverse connection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148577.2A CN111287077B (en) | 2020-03-05 | 2020-03-05 | Height-adjustable bridge expansion joint component capable of realizing transverse connection |
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| CN111287077A true CN111287077A (en) | 2020-06-16 |
| CN111287077B CN111287077B (en) | 2021-08-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764270A (en) * | 2020-07-13 | 2020-10-13 | 华北水利水电大学 | Bridge expansion joint connecting device and implementation method thereof |
| CN113136796A (en) * | 2021-04-30 | 2021-07-20 | 重庆交通大学 | Reset type bridge expansion joint device |
| CN114481877A (en) * | 2022-01-25 | 2022-05-13 | 同济大学 | Freely-telescopic bridge windbreak structure with limiting function |
| CN115822636A (en) * | 2023-02-14 | 2023-03-21 | 中国矿业大学(北京) | Tunnel boring machine with electromagnetic impact structure and tunnel boring method |
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| CN113136796A (en) * | 2021-04-30 | 2021-07-20 | 重庆交通大学 | Reset type bridge expansion joint device |
| CN113136796B (en) * | 2021-04-30 | 2022-07-19 | 重庆交通大学 | Reset type bridge expansion joint device |
| CN114481877A (en) * | 2022-01-25 | 2022-05-13 | 同济大学 | Freely-telescopic bridge windbreak structure with limiting function |
| CN115822636A (en) * | 2023-02-14 | 2023-03-21 | 中国矿业大学(北京) | Tunnel boring machine with electromagnetic impact structure and tunnel boring method |
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