CN217556674U

CN217556674U - Bridge telescoping device for bridge construction

Info

Publication number: CN217556674U
Application number: CN202220573208.2U
Authority: CN
Inventors: 徐春亮
Original assignee: Nanjing Wojiang Engineering Technology Co ltd
Current assignee: Nanjing Wojiang Engineering Technology Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-10-11
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to a bridge construction technical field especially relates to a bridge telescoping device of usefulness is built to bridge. The technical scheme comprises the following steps: the box, fixing base and spacing billet, the internally mounted of box has two-way lead screw, the bottom of two-way lead screw is run through box fixed mounting and is had the fixed plate, the cassette is installed to the periphery of fixed plate, the inboard fixed mounting of cassette has spacing billet, spacing billet outside fixed surface of cassette bottom installs the fixing base, the internally mounted of fixing base has the threaded rod, the bottom fixed mounting of threaded rod has the reserved steel bar, fixation nut is installed to the threaded rod periphery at fixing base top, be provided with the rubber waterstop between the spacing billet. The utility model discloses a combination of various structures makes this device can relax accurate installation work of carrying on the device in the course of the work, increases the practicality and the work efficiency of device to can carry out accurate regulation, increase the practicality to the distance between the spacing billet as required.

Description

Bridge telescoping device for bridge construction

Technical Field

The utility model relates to a technical field is built to the bridge, specifically is a bridge telescoping device of usefulness is built to bridge.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to be built for spanning mountain stream, unfavorable geology or meeting other traffic needs so as to enable the buildings to pass more conveniently, the bridges are widely used in the modern society, and in order to meet the requirement of bridge deck deformation in the construction work of the bridges, expansion joints are usually arranged between two beam ends, between the beam ends and a bridge abutment or on the hinged position of the bridges, which is very important.

Through retrieval, patent publication No. CN211772803U discloses a bridge expansion device for bridge construction, which comprises an edge beam and an expansion unit; boundary beam: the two edge beams are arranged in a Z shape, the two edge beams are symmetrically arranged, the bearing plates are placed on the upper surfaces of the lower ends of the two edge beams, the inner side surfaces of the upper ends of the two edge beams are provided with supporting grooves, and the middle parts of the inner side surfaces of the two edge beams are provided with fixing plates; a telescopic unit: the telescopic unit is equipped with two, and two telescopic unit establish respectively at the middle part of two boundary beam medial surfaces, telescopic unit includes solid fixed cylinder, movable plate, spring and connecting rod, the inside of solid fixed cylinder is cavity, the bulge of the left end of solid fixed cylinder rotates with the side of left fixed plate to be connected, the side of movable plate and the medial surface sliding connection of solid fixed cylinder.

The existing bridge expansion device for building a bridge has the following defects:

1. the conventional bridge expansion device for bridge construction is inconvenient to install in the working process, manual adjustment is needed when the device is installed in an expansion joint, the working efficiency is not ideal, and the device is inconvenient for workers to use;

2. the bridge expansion device for building the bridge cannot be correspondingly adjusted according to the width of an expansion joint in the working process, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge telescoping device of bridge construction usefulness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge telescoping device of usefulness is built to bridge, includes box, fixing base and spacing billet, the internally mounted of box has two-way lead screw, the bottom of two-way lead screw is run through box fixed mounting and is had the fixed plate, the cassette is installed to the periphery of fixed plate, and cassette outside surface mounting has spacing bolt, the inboard fixed mounting of cassette has spacing billet, the spacing billet outside fixed surface of cassette bottom installs the fixing base, the internally mounted of fixing base has the threaded rod, the bottom fixed mounting of threaded rod has the reservation reinforcing bar, fixation nut is installed to the threaded rod periphery at fixing base top, and the peripheral fixing base top of fixation nut installs spacing section of thick bamboo, be provided with the rubber waterstop between the spacing billet, and fixed mounting has the spring between the fixing base of spacing billet bottom.

The fixing device comprises a fixing seat, a fixing rod, a through hole, a threaded rod, a rubber water stop belt and a spring, wherein the fixing seat is fixedly arranged at the position of the bridge expansion joint, the fixing rod is fixedly arranged at the position of the bridge expansion joint, the fixing seat is fixedly arranged at the position of the bridge expansion joint, the fixing nut is fixedly arranged in a limiting cylinder, the fixing nut is fixedly arranged in the limiting cylinder, the fixing nut is fixedly welded with the limiting cylinder, the fixing device can be easily and accurately installed, the waterproof buffering protection work can be performed in the rotating and stretching of a bridge expansion joint through the cooperation of the rubber water stop belt and the spring in the working process, the position of the limiting steel rod can be fixed through a box body, the limiting bolt can be rotated to be separated from a threaded hole after the installation work of the device, the fixing plate is easily separated from a clamping seat to perform the disassembly work of the box body, the subsequent pouring concrete can be conveniently performed for fixing work, the working personnel can also can rotate a bidirectional screw rod, the fixing plate is driven to be separated or moved to be moved, the fixing plate and clamping seat are fixedly connected together after the adjustment is completed, and the limiting steel rod can be adjusted according to the width of the bridge expansion joint.

Preferably, a rubber sleeve is arranged between the fixed seats on the periphery of the spring, and a rubber rod is arranged between the fixed seats inside the spring. The rubber sleeve and the rubber rod can protect and limit the position of the spring in the process of rotating and stretching the beam body without influencing the rotation of the beam body, so that the stability of the device is improved, and the service life of the device is prolonged.

Preferably, hanging rings are fixedly mounted on two sides of the top of the box body, and an anti-oxidation layer is coated on the surfaces of the hanging rings. During working, the device can be lifted by the lifting ring for lifting, the anti-oxidation layer can increase the durability of the lifting ring, and the service life of the lifting ring is prolonged.

Preferably, the inside of fixed plate is provided with the screw hole, and screw hole and stop bolt coincide mutually. The separation and fixation work of the fixing plate and the clamping seat can be carried out easily through the coincidence of the threaded hole and the limiting bolt or the separation.

Preferably, the two sides of the bidirectional screw rod penetrate through the box body and are fixedly provided with rotating wheels, and anti-skid grains are arranged on the peripheral surface of each rotating wheel. Can rotate the runner and drive two-way lead screw and rotate and use work, the frictional force between runner and the user's palm can be increased to the antiskid line, increases stability.

Preferably, the surface of the bottom of the fixing seat is provided with a cushion pad, and a through hole is formed in the fixing seat on the periphery of the threaded rod. The blotter can carry out buffering work to it when fixing base and reservation reinforcing bar contact, can carry out the installation work of fixing base through-hole and threaded rod coincidence.

Compared with the prior art, the beneficial effects of the utility model are that:

1. can be earlier with reserve in the leading-in bridge expansion joint of reinforcing bar in the course of the work, make it and anchor reinforcing bar welded fastening after arranging correct position in, the installation work who carries out spacing billet of light in will fixing base leading-in bridge expansion joint through-hole and threaded rod coincidence afterwards, and can rotate fixation nut and carry out spacing fixed work to its position after fixing base is installed in the bridge expansion joint, fixation nut can hide inside spacing section of thick bamboo after the installation, the staff can be with fixation nut and spacing section of thick bamboo welded fastening together, the steadiness ability of increase device, the installation work of the completion device that can relax the accuracy, can carry out waterproof buffering protection work in the flexible rotation of bridge roof beam body through rubber waterstop and spring cooperation in the course of the work, increase damping buffer performance, the rubber sleeve can protect spacingly in the position of spring in the flexible use of the rotation of not influencing the roof beam body, the stability of increase device, the life of extension device.

2. Can fix the position of spacing billet through the box, can rotate spacing bolt and make its and screw hole separation after the installation work that goes on the device, thereby the light dismantlement work that makes fixed plate and cassette separation carry out the box, make things convenient for the follow-up pouring concrete of staff to carry out the fixation work, and the follow-up reuse still of box, reduce the resource cost loss, and the staff can also rotate two-way lead screw, thereby it separates or tends to close the removal work to drive the fixed plate, adjust and accomplish the back and be in the same place fixed plate and cassette fixed connection, thereby adjust the distance between the spacing billet according to the width at bridge expansion joint, increase the practicality of device.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the card seat of the present invention;

fig. 4 is a schematic view of the local structure of the fixing base of the present invention.

In the figure: 1. a box body; 2. a hoisting ring; 3. a rotating wheel; 4. a fixing plate; 5. a fixed seat; 6. reserving a steel bar; 7. a cushion pad; 8. a limiting steel bar; 9. a card holder; 10. a limit bolt; 11. a threaded hole; 12. a rubber waterstop; 13. a rubber sleeve; 14. a limiting cylinder; 15. a threaded rod; 16. a spring; 17. a rubber rod; 18. a bidirectional screw rod; 19. fixing a nut; 20. and a through hole.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 2-3, the utility model provides a bridge telescoping device of usefulness is built to bridge, the power distribution box comprises a box body 1, fixing base 5 and spacing billet 8, the internally mounted of box 1 has two-

way lead screw

18, 1 fixed mounting has fixed plate 4 to run through box 1 fixed mounting in the bottom of two-way lead screw 18, cassette 9 is installed to the periphery of fixed plate 4, and cassette 9 outside surface mounting has spacing bolt 10, the inboard fixed mounting of cassette 9 has spacing billet 8, spacing billet 8 outside surface mounting of cassette 9 bottom has fixing base 5, the internally mounted of fixing base 5 has threaded rod 15, the bottom fixed mounting of threaded rod 15 has reserved reinforcing bar 6, fixing nut 19 is installed to the 15 peripheries of threaded rod at fixing base 5 top, and fixing nut 19 installs spacing section of thick bamboo 14 at the 5 top of outlying, be provided with rubber sealing strip 12 between the spacing billet 8, and fixed mounting has spring 16 between the fixing base 5 of spacing billet 8 bottom, be provided with rubber sleeve 13 between the outlying fixing base 5 of spring 16, and install rubber stick 17 between the inside fixing base 5 of spring 16.

The working principle of the bridge expansion device for building the bridge based on the embodiment 1 is as follows: during the working process, the reserved steel bars 6 can be firstly led into the bridge expansion joints, the reserved steel bars 6 are welded and fixed with the anchoring steel bars after being placed at the correct positions, then the fixing seats 5 are led into the bridge expansion joints through the superposition of the through holes 20 and the threaded rods 15 to easily perform the installation work of the limiting steel bars 8, and the fixing seats 5 can be rotated to perform the limiting fixing work after being installed in the bridge expansion joints, so that the stability of the device is improved, the fixing nuts 19 can be hidden in the limiting cylinders 14 after being installed, a worker can weld and fix the fixing nuts 19 and the limiting cylinders 14 together, the stability of the device is improved, the installation work of the device can be easily and accurately completed, the practicability of the device is improved, the rubber water stop belts 12 and the springs 16 can be matched to perform the waterproof buffer protection work during the rotation and the expansion of the bridge girder body during the working process, and the vibration damping and buffering performance is improved, the stability is improved, the rubber sleeve 13 and the rubber rod 17 can protect and limit the position of the spring 16 when the rotation and the expansion of the beam body are not influenced, the stability of the device is improved, the service life of the device is prolonged, the position of the limit steel bar 8 can be fixed through the box body 1, the limit bolt 10 can be rotated to be separated from the threaded hole 11 after the installation work of the device is carried out, so that the fixed plate 4 is easily separated from the clamping seat 9 to carry out the disassembly work of the box body 1, the subsequent concrete pouring of workers is convenient to carry out the fixing work, the box body 1 can be subsequently reused, the resource cost loss is reduced, the workers can also rotate the bidirectional screw rod 18 to drive the fixed plate 4 to carry out the separation or approach movement work, the fixed plate 4 is fixedly connected with the clamping seat 9 after the adjustment is finished, and the distance between the limit steel bars 8 is adjusted according to the width of the bridge, increasing the practicality of the device.

Example two

As shown in fig. 1 or fig. 4, the utility model provides a bridge expansion device for bridge construction compares in embodiment one, and this embodiment still includes: both sides fixed mounting at box 1 top has rings 2, and rings 2's surface scribbles the oxidation barrier, and the inside of fixed plate 4 is provided with screw hole 11, and screw hole 11 coincides with stop cock 10 mutually, and box 1 fixed mounting has runner 3 to run through the both sides of two-way lead screw 18, and the outlying surface of runner 3 is provided with anti-skidding line, and the surface of fixing base 5 bottom is provided with blotter 7, and the inside through-hole 20 that is provided with of the 5 outlying fixing bases of threaded rod 15.

In this embodiment, can hoist the device through rings 2 and carry out hoist and mount work at the during operation, the oxidation barrier can increase rings 2's durability, prolong its life, can be through 11 with spacing bolt 10 coincidence or the light separation fixed work who carries out fixed plate 4 and cassette 9 of separation of screw hole, can rotate runner 3 and drive two-way lead screw 18 and rotate and use work, the frictional force between runner 3 and the user's palm can be increased to the antiskid line, increase stability, blotter 7 can cushion work to it when fixing base 5 contacts with reservation reinforcing bar 6, can carry out fixing base 5's installation work through-hole 20 and threaded rod 15 coincidence.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a bridge telescoping device of usefulness is built to bridge, includes box (1), fixing base (5) and spacing billet (8), its characterized in that: the utility model discloses a fixing device for the automobile engine, including box (1), cassette (9), and cassette (9), bottom run through box (1) fixed mounting of two-way lead screw (18) has fixed plate (4), cassette (9) are installed to the periphery of fixed plate (4), and cassette (9) outside surface mounting has spacing bolt (10), the inboard fixed mounting of cassette (9) has spacing billet (8), spacing billet (8) outside surface mounting of cassette (9) bottom has fixing base (5), the internally mounted of fixing base (5) has threaded rod (15), the bottom fixed mounting of threaded rod (15) has reserved reinforcing bar (6), fixation nut (19) are installed to threaded rod (15) periphery at fixing base (5) top, and install spacing section of thick bamboo (14) at fixation nut (19) outlying fixing base (5) top, be provided with rubber waterstop (12) between spacing billet (8), and fixed mounting has spring (16) between fixing base (5) of spacing billet (8) bottom.

2. A bridge girder retractor device according to claim 1, wherein: be provided with rubber sleeve (13) between spring (16) outlying fixing base (5), and install rubber stick (17) between spring (16) inside fixing base (5).

3. A bridge girder retractor device according to claim 1, wherein: two sides of the top of the box body (1) are fixedly provided with hanging rings (2), and the surfaces of the hanging rings (2) are coated with anti-oxidation layers.

4. A bridge girder expansion device according to claim 1, wherein: the inside of fixed plate (4) is provided with screw hole (11), and screw hole (11) and stop cock (10) coincide mutually.

5. A bridge girder retractor device according to claim 1, wherein: the two sides of the bidirectional screw rod (18) penetrate through the box body (1) and are fixedly provided with the rotating wheels (3), and anti-skid lines are arranged on the peripheral surface of each rotating wheel (3).

6. A bridge girder retractor device according to claim 1, wherein: the surface of fixing base (5) bottom is provided with blotter (7), and threaded rod (15) outlying fixing base (5) inside is provided with through-hole (20).