CN212561144U

CN212561144U - Bridge expansion device

Info

Publication number: CN212561144U
Application number: CN202020768249.8U
Authority: CN
Inventors: 梁力; 季羽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-02-19
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a bridge telescoping device, including first stand, second stand and removal roof beam, the bottom overlap joint of first stand is at the top of second stand, the equal fixedly connected with tie-beam in both sides of removal roof beam, the movable groove with the surface swing joint of tie-beam is all seted up to the inner chamber of first stand and second stand, the top swing joint of tie-beam has the support steelframe, supports the bottom of steelframe and runs through the top of tie-beam and extend to the below of tie-beam, and the dead slot with support steelframe surface adaptation is seted up to the inner chamber of tie-beam, and the one end sliding connection of support steelframe has the sliding beam, the utility model relates to a bridge telescoping device technical field. This bridge telescoping device offsets horizontal atress through second resistance to compression spring, and the turning beam is the small angle rotation at the adaptation inslot for the walking beam can rotate at the small angle and offset torsion, and structural design is reasonable, and low in manufacturing cost can adapt to the change of bridge under different conditions.

Description

Bridge expansion device

Technical Field

The utility model relates to a bridge telescoping device technical field specifically is a bridge telescoping device.

Background

The bridge expansion device is used for meeting the requirement of bridge deck deformation, and is generally arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge, and is required to be freely expanded and contracted in two directions parallel to and perpendicular to the axis of the bridge, so that the bridge expansion device is firm and reliable, and a vehicle is smooth and free of sudden jump and noise when running; the rainwater and garbage soil can be prevented from being infiltrated and blocked; installation, inspection, maintenance, elimination filth all will be simple and easy convenient, and setting up expansion joint department, railing and bridge deck pavement all will break off.

The bridge expansion device can be divided into a galvanized sheet steel expansion device, a steel expansion device and a rubber expansion device, wherein the galvanized sheet steel expansion device is frequently selected when the deformation of the beam is within 20-40 mm on an assembled simple-supported beam bridge with a small and medium span; the steel telescopic device has a complex structure, is only adopted in areas with large temperature difference or bridges with large span, and is also suitable for inclined bridges; the rubber expansion device takes a rubber belt as a seam crossing material, has simple structure, convenient use and good effect, and can adopt the expansion device combining rubber and steel plates on a large-span bridge with larger deformation.

According to patent number CN106835967B a bridge telescoping device, through the design of fixed plate, fixed plate and waterstop fixed connection, when the waterstop installation, only need overlap the fixed plate at both ends on the mounting bracket, but can only bear horizontal and fore-and-aft atress when using, do not bear torsion, flexible effect is poor, leads to inside atress to burst easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a bridge telescoping device has solved and can only bear horizontal and fore-and-aft atress when using, does not bear torsion, and flexible effect is poor, leads to the problem that inside atress bursts easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a bridge expansion device comprises a first upright post, a second upright post and a movable beam, wherein the bottom of the first upright post is lapped at the top of the second upright post, both sides of the movable beam are fixedly connected with connecting beams, the inner cavities of the first upright post and the second upright post are respectively provided with a movable groove movably connected with the surface of the connecting beams, the top of the connecting beams is movably connected with a supporting steel frame, the bottom end of the supporting steel frame penetrates through the top of the connecting beams and extends to the lower part of the connecting beams, the inner cavity of the connecting beams is provided with a hollow groove matched with the surface of the supporting steel frame, one end of the supporting steel frame is slidably connected with a sliding beam, the surface of the sliding beam is rotatably connected with an anti-pressing wheel in a rolling manner, the surface of the supporting steel frame is sleeved with a first anti-pressing spring, one end of the first anti-pressing spring is fixedly connected with the surface of the sliding beam, the other end of the first anti-pressing spring is, one side of the connecting beam is movably connected with a rotating beam through an adaptive groove, one end of the rotating beam is fixedly connected with a second compression spring, and one end of the second compression spring is fixedly connected with an inner cavity of the movable groove.

Preferably, the inner diameter of the empty groove is larger than the outer diameter of the supporting steel frame.

Preferably, the inner diameter of the empty groove is smaller than the inner diameter of the first compression spring.

Preferably, the surfaces of the first upright column and the second upright column are fixedly connected with a water stop and an elastic plate which are fixedly connected with the surface of the movable beam respectively.

Preferably, the equal fixedly connected with in surface of first stand, second stand and walking beam supports the swash plate, the fixed surface who supports the swash plate is connected with the elastic rod, the surperficial sliding connection of elastic rod has the movable block, one side fixedly connected with elasticity kicking block of movable block, the surface of elasticity kicking block is contradicted each other with the bottom of elastic plate.

Preferably, the surface of the elastic rod is sleeved with a third compression-resistant spring which is fixedly connected with the surfaces of the supporting inclined plate and the movable block respectively.

Advantageous effects

The utility model provides a bridge telescoping device. Compared with the prior art, the method has the following beneficial effects:

(1) the bridge expansion device is connected to the top of the second upright column in a lap joint mode at the bottom of the first upright column, connecting beams are fixedly connected to two sides of the movable beam, movable grooves movably connected with the surfaces of the connecting beams are formed in inner cavities of the first upright column and the second upright column, a supporting steel frame is movably connected to the top of each connecting beam, the bottom end of each supporting steel frame penetrates through the top of each connecting beam and extends to the lower portion of the corresponding connecting beam, a hollow groove matched with the surface of the corresponding supporting steel frame is formed in the inner cavity of each connecting beam, a sliding beam is slidably connected to one end of each supporting steel frame, a compression-resistant wheel is connected to the surface of each sliding beam in a rolling mode and is connected with the inner cavity of each movable groove in a rolling mode, a first compression-resistant spring is sleeved on the surface of each supporting steel frame, one end of each first compression-resistant spring is fixedly connected with the surface of each sliding beam, the one end fixedly connected with second compression spring of live-beams, the one end of second compression spring and the inner chamber fixed connection in activity groove offset horizontal atress through second compression spring, and the live-beams is the small-angle rotation at the adaptation inslot for the walking beam can rotate at the small-angle and offset torsion, and structural design is reasonable, and low in manufacturing cost can adapt to the change of bridge under different conditions.

(2) This bridge telescoping device, through at first stand, the equal fixedly connected with in surface of second stand and walking beam supports the swash plate, the fixed surface of supporting the swash plate is connected with the flexible pole, the sliding surface of flexible pole is connected with the movable block, one side fixedly connected with elasticity kicking block of movable block, the surface of elasticity kicking block is contradicted each other with the bottom of elastic plate, the back is gone through to the vehicle, third resistance to compression spring kick-backs, it upwards pushes up the dynamic elastic plate to drive the elasticity kicking block, the elastic plate kick-backs and moves the waterstop, bounce the rubble on waterstop surface, prevent that the vehicle from extrudeing the rubble and rip the waterstop.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partial enlarged view of the point B in fig. 1 according to the present invention.

In the figure: the device comprises a first upright post, a second upright post, a moving beam, a 4-connecting beam, a 5-movable groove, a 6-supporting steel frame, a 7-empty groove, a 8-sliding beam, a 9-compression wheel, a 10-first compression spring, a 11-third compression spring, a 12-adaptive groove, a 13-rotating beam, a 14-second compression spring, a 15-water stop, a 16-elastic plate, a 17-supporting inclined plate, an 18-elastic rod, a 19-movable block and a 20-elastic top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a bridge telescoping device, including first stand 1, second stand 2 and walking beam 3, first stand 1, the equal fixedly connected with in surface of second stand 2 and walking beam 3 supports swash plate 17, the fixed surface of supporting swash plate 17 is connected with elastic rod 18, the sliding surface of elastic rod 18 is connected with movable block 19, one side fixed connection elasticity kicking block 20 of movable block 19, the surface of elasticity kicking block 20 is contradicted each other with the bottom of elastic plate 16, the surface cover of elastic rod 18 is equipped with the third compression spring 11 who is connected with the fixed surface of supporting swash plate 17 and movable block 19 respectively, the vehicle is gone over the back, third compression spring 11 kick-backs, it moves elastic plate 16 to drive elasticity kicking block 20 upwards, elastic plate 16 kick-backs and moves waterstop 15, the rubble on waterstop 15 surface is bounced, prevent that the vehicle from extruding the rubble and lacerating waterstop 15, first stand 1, the equal fixedly connected with in surface of second stand 2 respectively waterstop 15 and the elastic plate that the fixed surface of walking beam 3 is connected 16, the bottom of the first upright column 1 is lapped at the top of the second upright column 2, both sides of the movable beam 3 are fixedly connected with connecting beams 4, the inner cavities of the first upright column 1 and the second upright column 2 are respectively provided with a movable groove 5 movably connected with the surface of the connecting beam 4, the top of the connecting beam 4 is movably connected with a supporting steel frame 6, the bottom end of the supporting steel frame 6 penetrates through the top of the connecting beam 4 and extends to the lower part of the connecting beam 4, the inner cavity of the connecting beam 4 is provided with an empty groove 7 matched with the surface of the supporting steel frame 6, the inner diameter of the empty groove 7 is smaller than that of a first compression spring 10, the inner diameter of the empty groove 7 is larger than the outer diameter of the supporting steel frame 6, one end of the supporting steel frame 6 is slidably connected with a sliding beam 8, the surface of the sliding beam 8 is connected with an anti-pressing wheel 9 in a rolling manner with the inner cavity of the movable groove 5 in a rolling manner, the surface of the, the other end of first resistance to compression spring 10 is connected with the fixed surface of tie-beam 4, there is a turning beam 13 one side of tie-beam 4 through 12 swing joint in adaptation groove, the resistance to compression spring 14 of one end fixedly connected with second of turning beam 13, the one end of resistance to compression spring 14 of second and the inner chamber fixed connection of activity groove 5, offset horizontal atress through second resistance to compression spring 14, turning beam 13 is the small-angle rotation in adaptation inslot 12, make shifting beam 3 can the small-angle rotation offset torsion, and structural design is reasonable, therefore, the manufacturing cost is low, can adapt to the change of bridge under different conditions.

When receiving the transverse force, shifting beam 3 side-to-side motion drives sliding beam 8 to slide in dead slot 7, offset the atress through second resistance to compression spring 14, shifting beam 3 drives tie-beam 4 and moves on supporting steelframe 6 when receiving longitudinal force, cushion through extrudeing first resistance to compression spring 10, when receiving torsion, support steelframe 6 and move in dead slot 7, and turning beam 13 is the low-angle rotation in adaptation groove 12, make shifting beam 3 can the low-angle rotation, prevent infiltration such as sewage and falling rocks through waterstop 15, and roll waterstop 15 and elastic plate 16 when the vehicle drives, after the vehicle drives, third resistance to compression spring 11 kick-backs, drive elasticity kicking block 20 upwards and push up elastic plate 16, elastic plate 16 kick-backs and pushes up waterstop 15, bounce the rubble on waterstop 15 surface, prevent that the vehicle from extruding the rubble from scratching waterstop 15.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a bridge telescoping device, includes first stand (1), second stand (2) and walking beam (3), the bottom overlap joint of first stand (1) is at the top of second stand (2), its characterized in that: the movable supporting frame is characterized in that connecting beams (4) are fixedly connected to two sides of the movable beam (3), movable grooves (5) movably connected with the surfaces of the connecting beams (4) are formed in inner cavities of the first stand column (1) and the second stand column (2), supporting steel frames (6) are movably connected to the tops of the connecting beams (4) at the tops of the connecting beams (4), the bottom ends of the supporting steel frames (6) penetrate through the tops of the connecting beams (4) and extend to the lower portions of the connecting beams (4), empty grooves (7) matched with the surfaces of the supporting steel frames (6) are formed in the inner cavities of the connecting beams (4), sliding beams (8) are slidably connected to one ends of the supporting steel frames (6), anti-pressing wheels (9) are connected to the surfaces of the sliding beams (8) in a rolling mode and are connected with the inner cavities of the movable grooves (5), first anti-pressing springs (10) are sleeved on the surfaces of the supporting steel frames (6), one ends of the first anti-pressing springs, the other end of first resistance to compression spring (10) is connected with the fixed surface of tie-beam (4), there is live-action beam (13) one side of tie-beam (4) through adaptation groove (12) swing joint, the one end fixedly connected with second resistance to compression spring (14) of live-action beam (13), the one end of second resistance to compression spring (14) and the inner chamber fixed connection of activity groove (5).

2. A bridge expansion device according to claim 1, characterized in that: the inner diameter of the empty groove (7) is larger than the outer diameter of the support steel frame (6).

3. A bridge expansion device according to claim 1, characterized in that: the inner diameter of the empty groove (7) is smaller than that of the first compression-resistant spring (10).

4. A bridge expansion device according to claim 1, characterized in that: the surface of the first upright post (1) and the surface of the second upright post (2) are fixedly connected with a water stop (15) and an elastic plate (16) which are fixedly connected with the surface of the movable beam (3) respectively.

5. A bridge expansion device according to claim 4, characterized in that: the equal fixedly connected with in surface of first stand (1), second stand (2) and walking beam (3) supports swash plate (17), the fixed surface of supporting swash plate (17) is connected with flexible pole (18), the surperficial sliding connection of flexible pole (18) has movable block (19), one side fixed connection elasticity kicking block (20) of movable block (19), the surface of elasticity kicking block (20) is contradicted each other with the bottom of elastic plate (16).

6. A bridge expansion device according to claim 5, characterized in that: and a third compression-resistant spring (11) fixedly connected with the surfaces of the supporting inclined plate (17) and the movable block (19) respectively is sleeved on the surface of the elastic rod (18).