CN220486226U - Bridge base telescopic machanism - Google Patents

Abstract

The utility model provides a bridge base telescopic mechanism, which belongs to the technical field of municipal bridge engineering and comprises a base telescopic device, wherein the base telescopic device comprises a base extension seat and a movable seat, the movable seat is arranged right above the base extension seat, four rectangular sliding grooves are formed in the base extension seat, movable sliding blocks with inclined surfaces on the upper surfaces are arranged in each rectangular sliding groove, fixed sliding blocks with inclined surfaces on the lower surfaces are arranged on the lower sides of the movable seat, and the lower surfaces of the fixed sliding blocks are in sliding connection with the upper surfaces of the corresponding movable sliding blocks.

Description

Bridge base telescopic machanism

Technical Field

The utility model mainly relates to the technical field of municipal bridge engineering, in particular to a bridge base telescopic mechanism.

Background

Municipal administration refers to various administrative management works of cities, also refers to market trade affairs, the urban management works comprise industry and commerce, traffic, public security, religion, environment, sanitation, basic construction and the like, wherein bridges belong to basic construction of municipal administration, the bridges generally refer to structures which are erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass smoothly, the bridges generally comprise an upper structure, a lower structure, a support and an auxiliary structure, the upper structure is also called a bridge span structure, the lower structure comprises bridge piers, piers and foundations (bases), the support is a force transmission device arranged at supporting positions of the bridge span structure and the piers or the bridge piers, and the auxiliary structure refers to bridge head building plates, cone-shaped slope protection, shore protection, diversion engineering and the like.

The bridge that is located river lake sea before setting up the pier, need install the bridge foundation in the pier bottom for fixed pier, general base can be placed in the foundation ditch that prepares in advance, but because the soil intensity at the bottom of the water is insufficient, the condition that slightly sink appears in the in-process of setting up the bridge easily to the pier, leads to producing certain clearance between pier upper end and the bridge span mechanism, need to fill reinforced concrete again, very inconvenient, and the part of reinjection concrete is insufficient with the intensity of preceding pier junction, the security is not high, and transport concrete on the surface of water is inconvenient yet.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a bridge base telescopic mechanism which is used for solving the technical problems that if a base in a foundation pit is slightly sunken, a certain gap is generated between the upper end of a pier and a bridge span mechanism, and concrete needs to be refilled to fill the gap, so that the strength of a joint is insufficient and the safety is low.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a bridge base telescopic machanism, includes base telescoping device, base telescoping device includes basic extension seat and movable seat, and the movable seat is provided with four rectangle spouts on the basic extension seat, every all be provided with the movable slide block that the upper surface is the inclined plane in the rectangle spout, the movable seat downside is provided with four lower surfaces and is the fixed slide block of inclined plane, and every the lower surface of fixed slide block all with the movable slide block upper surface sliding connection who corresponds.

Further, all be provided with the reinforcing bar gag lever post in four round holes of basic extension seat upper surface, four the reinforcing bar gag lever post is common with round hole swing joint on the movable seat, and every the screw thread of reinforcing bar gag lever post upper end all meshing is connected with spacing top cap.

Further, a bridge pier butt joint groove is formed in the middle of the upper surface of the movable seat.

Further, a plurality of through holes are symmetrically formed in two side walls of each rectangular chute, and reinforcing steel bar positioning rods are arranged in two adjacent through holes and penetrate through round holes in the corresponding movable sliding blocks.

Further, a plurality of pouring holes are formed in the edge folding position of the outer edge of the basic extension seat.

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

according to the utility model, by arranging the basic extension seat, the rectangular sliding groove, the movable seat, the movable sliding block, the fixed sliding block, the steel bar limiting rod and the steel bar positioning rod, a stable supporting force is provided for the bridge pier, and when the bridge pier slightly sinks, the height of the movable seat is increased, so that the bridge pier can be raised, a larger gap between the bridge pier and a bridge span structure is effectively avoided, additional concrete pouring is not needed for filling, and the stability and the safety of the whole structure are improved.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic exploded view of the present utility model.

In the figure: 1. a base telescoping device; 11. a base extension seat; 111. rectangular sliding grooves; 112. perforating; 113. pouring holes; 12. a movable seat; 121. a bridge pier butt joint groove; 13. a movable slide block; 14. a fixed sliding block; 15. a steel bar limiting rod; 16. a limit top cover; 17. a steel bar positioning rod.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, a bridge base telescopic mechanism includes a base telescopic device 1, the base telescopic device 1 includes a base expansion seat 11 and a movable seat 12, the movable seat 12 is located right above the base expansion seat 11, four rectangular sliding grooves 111 are provided on the base expansion seat 11, each rectangular sliding groove 111 is internally provided with a movable sliding block 13 with an inclined surface on an upper surface, four fixed sliding blocks 14 with inclined surfaces on lower surfaces of the movable seat 12 are provided on lower sides of the movable seat 12, and the lower surfaces of the fixed sliding blocks 14 are slidably connected with the upper surfaces of the corresponding movable sliding blocks 13.

The structure provides a stable supporting force for the bridge pier through the base telescopic device 1, and can lift the bridge pier when the bridge pier slightly sinks, so that a larger gap between the bridge pier and a bridge span structure is effectively avoided, additional concrete pouring is not needed for filling, and the stability and safety of the whole structure are improved;

the concrete operation is as follows, when the condition that the whole base slightly sinks before placing the pier appears, the steel bar positioning rod 17 is pulled out from the perforation 112, then four movable sliding blocks 13 are pushed to move towards the center, the moving distance of each movable sliding block 13 is the same, as the upper surface of each movable sliding block 13 is an inclined surface, the lower surface of each fixed sliding block 14 is an inclined surface, the fixed sliding blocks 14 can be extruded in the process of pushing the movable sliding blocks 13, thus the movable base 12 moves upwards under the constraint of the steel bar limiting rod 15, the purpose of lifting the pier is achieved, then the steel bar positioning rod 17 is inserted into the corresponding perforation 112, the position of the movable sliding blocks 13 is fixed, then the limiting top cover 16 is screwed, the height position of the movable base 12 is locked, and then the pier can be installed in the pier butt joint groove 121.

With particular reference to figure 2 of the drawings,

the four round holes on the upper surface of the foundation extension seat 11 are internally provided with reinforcing steel bar limiting rods 15, the four reinforcing steel bar limiting rods 15 are jointly and movably connected with the round holes on the movable seat 12, threads at the upper end of each reinforcing steel bar limiting rod 15 are engaged and connected with a limiting top cover 16, the height of the movable seat 12 is restrained through the mutual matching between the reinforcing steel bar limiting rods 15 and the limiting top cover 16, the middle position of the upper surface of the movable seat 12 is provided with a pier butt joint groove 121, the butt joint of the bottom of the pier is realized through the pier butt joint groove 121, a plurality of through holes 112 are symmetrically arranged on two side walls of each rectangular chute 111, reinforcing steel bar positioning rods 17 are arranged in two adjacent through holes 112, the reinforcing steel bar positioning rods 17 penetrate through the round holes on the corresponding movable slide blocks 13, the positions of the movable slide blocks 13 in the rectangular chute 111 are fixed through the mutual matching between the reinforcing steel bar positioning rods 17 and the through holes 112, the outer edge folding edge positions of the foundation extension seat 11 are provided with a plurality of pouring holes 113, and pouring of cement is realized, and the foundation extension seat 11 can be rigidly connected with the ground.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (5)

1. The utility model provides a bridge base telescopic machanism, includes base telescoping device (1), base telescoping device (1) include basic extension seat (11) and movable seat (12), and movable seat (12) are located basic extension seat (11) directly over, a serial communication port, be provided with four rectangle spouts (111) on basic extension seat (11), every all be provided with movable slide block (13) that the upper surface is the inclined plane in rectangle spout (111), movable seat (12) downside is provided with four lower surfaces and is fixed slider (14) of inclined plane, and every fixed slider (14) lower surface all with corresponding movable slide block (13) upper surface sliding connection.

2. The bridge foundation telescopic mechanism according to claim 1, wherein four round holes in the upper surface of the foundation extension seat (11) are respectively provided with a steel bar limiting rod (15), the four steel bar limiting rods (15) are movably connected with the round holes in the movable seat (12) jointly, and threads at the upper end of each steel bar limiting rod (15) are respectively connected with a limiting top cover (16) in a meshed mode.

3. The telescopic mechanism of the bridge foundation according to claim 2, wherein a bridge abutment groove (121) is formed in the middle of the upper surface of the movable seat (12).

4. The bridge foundation telescopic mechanism according to claim 1, wherein a plurality of through holes (112) are symmetrically formed in two side walls of each rectangular chute (111), and wherein a steel bar positioning rod (17) is arranged in two adjacent through holes (112), and the steel bar positioning rod (17) passes through a round hole in the corresponding movable sliding block (13).

5. A telescopic mechanism for bridge foundation according to claim 2, wherein a plurality of pouring holes (113) are provided in the outer edge hemming position of the foundation extension base (11).