Displacement control box easy to maintain and modular telescopic device

Abstract

The utility model discloses an easy-to-maintain displacement control box and a modular telescopic device. The easy-to-maintain displacement control box comprises a displacement control box body, an end plate, an elastic supporting element, a displacement spring and a pressing plate, an opening is formed in one end of the displacement control box body and connected with the supporting beam, an opening is formed in the other end of the displacement control box body and detachably connected with the end plate, the elastic supporting element, the displacement spring and the pressing plate are all arranged in the displacement control box body, and the pressing plate is detachably connected with the displacement control box body. The pressing plate is connected with the supporting beam through the displacement spring to provide radial elastic force for the supporting beam, and the inner side face of the supporting beam is connected with the side face of the supporting beam through the elastic bearing element. According to the technical scheme, the product provided with the detachable end plate is adopted, during production, the displacement control spring can be installed at the position of the end plate in the displacement control box body, and the problems that space is small and installation is inconvenient when a traditional structure is installed at the position of an opening of the displacement control box are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of modular expansion joints, in particular to an easily maintainable displacement control box and a modular expansion joint. Background Art

[0002] Most of the diseases that occur during the operation of traditional modular expansion joints are caused by the deformation or displacement of the elastic support elements or the displacement box under the impact load of vehicles, resulting in the elastic support elements falling off and slipping, causing damage to the support system and ultimately leading to the damage of the expansion joint. Moreover, when the internal fittings of the traditional modular expansion joint are deformed and damaged in the displacement control box, its structural form makes it impossible for maintenance personnel to repair and replace the damaged components inside. Therefore, when repairing, it is necessary to chisel and replace the entire section of the expansion joint, which has a large amount of work, a long replacement period, and when installing, due to only one side of the box being open, there are problems of small space and inconvenient installation when installing the internal elastic support elements or displacement control springs. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide an easily maintainable modular expansion joint and a bridge, aiming to solve the problems that when repairing the existing one, it is necessary to chisel and replace the entire section of the expansion joint, with a large amount of work and a long replacement period.

[0004] To achieve the above purpose, the easily maintainable modular expansion joint and bridge proposed by the utility model include a displacement control box body, end plates, elastic support elements, displacement springs and pressure plates; one end of the displacement control box body is provided with an opening for connection with the support beam, the other end of the displacement control box body is provided with an opening for detachable connection with the end plates, the elastic support elements, displacement springs and pressure plates are all arranged inside the displacement control box body, the pressure plate is detachably connected with the displacement control box body, the pressure plate is connected with the support beam through the displacement springs to provide radial elastic force for the support beam, and the inner side surface of the support beam is connected with the side surface of the support beam through the elastic support elements.

[0005] Preferably, the elastic support element includes a bearing support and a pressing support, the bearing support is connected with the side of the support beam facing the ground, and the pressing support is connected with the side of the support beam facing away from the ground.

[0006] Preferably, a screw base is arranged inside the displacement control box body, and the pressure plate is connected with the screw base through fastening bolts.

[0007] Preferably, the displacement control box body includes a seamless rectangular pipe.

[0008] An easily maintainable modular expansion device, comprising a support beam, a middle beam section steel, a waterproof strip, two side beam section steels, and the easily maintainable displacement control box as described above. The middle beam section steel is arranged between the two side beam section steels. One end of the middle beam section steel facing the ground is connected to the support beam, and the other end of the middle beam section steel facing away from the ground is connected to the side beam section steel through the waterproof strip. The easily maintainable displacement control boxes are arranged at both ends of the support beam, and the side beam section steels are respectively connected to the displacement control box bodies.

[0009] Preferably, multiple groups of the easily maintainable displacement control boxes and the support beams are provided.

[0010] Preferably, at least one middle beam section steel is provided.

[0011] Preferably, it further comprises an anchoring assembly, and the anchoring assembly is connected to the side beam section steel.

[0012] In the technical solution of the present utility model, in the technical solution of the present utility model, the product of the present application with a detachable end plate installed is adopted. During production, the internal components of the displacement control box body can be installed with the displacement control spring from the end plate, solving the problems of small space and inconvenient installation when installing from the opening of the displacement control box in the traditional structure. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0014] Figure 1 It is a schematic structural diagram of an easily maintainable modular expansion device of the present utility model.

[0015] Figure 2 It is a schematic structural diagram of an easily maintainable displacement control box of the present utility model.

[0016] Figure 3 It is a schematic structural diagram of the end plate of an easily maintainable displacement control box of the present utility model.

[0017] Explanation of the reference numerals in the drawings:

[0018] 100, displacement control box body; 110, end plate; 120, elastic support element; 121, bearing support; 122, pressing support; 130, displacement spring; 140, pressing plate; 150, screw seat; 200, support beam; 300, middle beam section steel; 400, waterproof strip; 500, side beam section steel.

[0019] The realization, functional features and advantages of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0022] In addition, the descriptions such as "first" and "second" in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0023] In the present utility model, unless otherwise clearly defined and limited, the terms "connection", "fixation", etc. shall be understood in a broad sense. For example, "fixation" may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] In addition, the technical solutions between various embodiments of the present utility model can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0025] Please refer to Figures 1 - 3, the present utility model provides an easily maintainable displacement control box, which includes a displacement control box body 100, an end plate 110, an elastic support element 120, a displacement spring 130 and a pressing plate 140; one end of the displacement control box body 100 is provided with an opening for connecting with a support beam 200, the other end of the displacement control box body 100 is provided with an opening for detachably connecting with the end plate 110, the elastic support element 120, the displacement spring 130 and the pressing plate 140 are all arranged inside the displacement control box body 100, the pressing plate 140 is detachably connected with the displacement control box body 100, the pressing plate 140 is connected with the support beam 200 through the displacement spring 130 to provide radial elastic force for the support beam 200, and the inner side surface of the support beam 200 is connected with the side surface of the support beam 200 through the elastic support element 120.

[0026] In the technical solution of the present utility model, the product of the present application with a detachable end plate 110 installed is adopted. During production, the internal components of the displacement control box body 100 can be installed with the displacement control spring from the end plate 110, solving the problems of small space and inconvenient installation when installing from the opening of the displacement control box in the traditional structure.

[0027] In another embodiment of the present utility model, the elastic support element 120 includes a pressure-bearing support 121 and a pressing support 122, the pressure-bearing support 121 is connected with the side of the support beam 200 facing the ground, and the pressing support 122 is connected with the side of the support beam 200 facing away from the ground.

[0028] Specifically, both the pressure-bearing support 121 and the pressing support 122 are elastic members to provide elastic force.

[0029] In yet another embodiment of the present utility model, a screw seat 150 is arranged inside the displacement control box body 100, and the pressing plate 140 is connected with the screw seat 150 through a fastening bolt.

[0030] Specifically, a screw seat 150 is arranged inside the displacement control box body 100, and the pressing plate 140 is connected with the screw seat 150 through a fastening bolt to achieve detachable connection.

[0031] In yet another embodiment of the present utility model, the displacement control box body 100 includes a seamless rectangular pipe.

[0032] Specifically, a seamless rectangular pipe is used as the displacement control box body 100 during production. Compared with the traditional steel plate welded displacement control box, the cost is reduced by 8% and the production efficiency is increased by 300%.

[0033] In another embodiment of the present utility model, it includes a support beam 200, a middle beam section steel 300, a waterproof strip 400, two side beam section steels 500, and an easily maintainable displacement control box as described in any one of the above. The middle beam section steel 300 is arranged between the two side beam section steels 500. One end of the middle beam section steel 300 facing the ground is connected to the support beam 200, and the end of the middle beam section steel 300 facing away from the ground is connected to the side beam section steel 500 through the waterproof strip 400. The easily maintainable displacement control boxes are arranged at both ends of the support beam 200, and the side beam section steels 500 are respectively connected to the displacement control box body 100.

[0034] Specifically, when the displacement control component of the bridge expansion device is damaged, only the concrete at the end of the displacement box needs to be chiseled and cleaned, and the replaceable end plate 110 is removed, then the repair and replacement of the displacement box component can be carried out. Therefore, it is not necessary to chisel and replace the entire expansion device, which greatly reduces the amount of repair work, significantly reduces the construction cost, and greatly improves the efficiency.

[0035] In another embodiment of the present utility model, multiple groups of the easily maintainable displacement control box and the support beam 200 are provided.

[0036] Specifically, multiple groups of the easily maintainable displacement control box and the support beam 200 are provided.

[0037] In another embodiment of the present utility model, at least one middle beam section steel 300 is provided.

[0038] Specifically, the number of the middle beam section steels 300 is determined according to the distance and width of the connection seam.

[0039] In another embodiment of the present utility model, ear plates are arranged on the support beam 200, and the ear plates are connected to a pressing plate 140 through displacement springs 130.

[0040] Specifically, through the connection of the ear plates, the force is more stable and the effect is stronger.

[0041] In another embodiment of the present utility model, it further includes an anchoring component, and the anchoring component is connected to the side beam section steel.

[0042] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structural transformation made under the concept of the present utility model by using the content of the specification and drawings of the present utility model, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. An easy-to-maintain displacement control box, characterized in that: It includes a displacement control box, an end plate, an elastic supporting element, a displacement spring and a pressure plate; one end of the displacement control box is provided with an opening connected to a support beam, the other end of the displacement control box is provided with an opening detachably connected to the end plate, the elastic supporting element, the displacement spring and the pressure plate are all arranged in the displacement control box, the pressure plate is detachably connected to the displacement control box, the pressure plate is connected to the support beam through the displacement spring to provide radial elastic force to the support beam, and the inner side surface of the support beam is connected to the side surface of the support beam through the elastic supporting element.

2. The easy-to-maintain displacement control box according to claim 1, characterized in that: The elastic supporting element comprises a pressure bearing seat and a clamping seat. The pressure bearing seat is connected to the side of the supporting beam facing the ground, and the clamping seat is connected to the side of the supporting beam facing away from the ground.

3. The easy-to-maintain displacement control box according to claim 1, characterized in that: A screw seat is arranged in the displacement control box body, and the pressure plate is connected to the screw seat by fastening bolts.

4. The easy-to-maintain displacement control box according to claim 1, characterized in that: The displacement control box body comprises a seamless rectangular tube.

5. An easy-to-maintain modular telescopic device, characterized in that: It includes a support beam, a center beam steel, a waterproof strip, two side beam steels and an easy-to-maintain displacement control box as described in any one of claims 1 to 4, wherein the center beam steel is arranged between the two side beam steels, the end of the center beam steel facing the ground is connected to the support beam, and the end of the center beam steel facing away from the ground is connected to the side beam steel through the waterproof strip, the easy-to-maintain displacement control box is arranged at both ends of the support beam, and the side beam steels are respectively connected to the displacement control box body.

6. The easy-to-maintain modular telescopic device according to claim 5, characterized in that: The easy-to-maintain displacement control box and the support beam are provided in multiple groups.

7. The easy-to-maintain modular telescopic device according to claim 5, characterized in that: At least one center beam steel is provided.

8. An easy-to-maintain modular telescopic device as claimed in any one of claims 5 to 7, characterized in that: It also includes an anchoring assembly, which is connected to the edge beam steel.

Images