CN221030731U

CN221030731U - Expansion joint structure

Info

Publication number: CN221030731U
Application number: CN202322393426.5U
Authority: CN
Inventors: 闫小宁; 刘娜
Original assignee: Kaiyuan Construction Engineering Group Co ltd
Current assignee: Kaiyuan Construction Engineering Group Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-05-28
Anticipated expiration: 2033-09-05

Abstract

The utility model discloses an expansion joint structure which comprises a steel channel beam, wherein a first clamping block is arranged on one side of the steel channel beam, a fixing plate is connected to the top end of the first clamping block, a primary rotating arm is sleeved outside the first clamping block, a rotating shaft is inserted inside one end of the primary rotating arm, a secondary rotating arm is sleeved outside the rotating shaft, a second fixing column is sleeved inside one end of the secondary rotating arm, a second clamping block is connected to the bottom end of the second fixing column, a stud is inserted inside the fixing plate, a limiting ring is sleeved outside the stud, a fixing block is connected to one side of the bottom end of the second clamping block, and a bolt with a handle is inserted inside the fixing block. The expansion joint structure provided by the utility model solves the problem that the applicable scene of the device is reduced because the steel channel girder with a specific width can be fixed only though the length of the expansion joint can be adjusted by fixing the steel channel girder with a fixed length part in the use process.

Description

Expansion joint structure

Technical Field

The utility model belongs to the field of construction joint auxiliary equipment, and particularly relates to an expansion joint structure.

Background

A building expansion joint, which is also called an expansion joint, is a structural joint provided at a proper position of a building or a structure in order to prevent structural cracks or damages of building members due to climate temperature changes (thermal expansion and contraction). The building foundation structure divides the building foundation components (such as wall, floor, roof, etc.) into two independent parts, so that the building or structure can horizontally stretch in the length direction. Traditional terrace expansion joint adopts the mode of reservation groove generally, installs through secondary planting muscle in the later stage. The installation process of the expansion joint can be divided into two modes: and (3) installing the seam, pouring and then installing the seam. The main function of the device is to prevent the structural crack or damage of the building component caused by the climate temperature change (thermal expansion and contraction), and the building or the structure can horizontally stretch and retract in the length direction by dividing the building component into two independent parts.

The authorized bulletin number is: the utility model patent of CN218323675U discloses an expansion joint structure, which comprises two steel channel beams, a plurality of anchor bars and a plurality of fixed-length parts, wherein the two steel channel beams are mutually parallel and the notches are oppositely arranged, the fixed-length parts are connected between the two steel channel beams, the anchor bars are fixedly arranged on the outer sides of the two steel channel beams in an array manner, the anchor bars are formed by bending steel bars in a U shape, and two ends of each anchor bar are fixedly arranged on the steel channel beams; the expansion joint structure is formed at one time, the relative distance between the two steel channel beams is determined through the fixed length part, the two steel channel beams are connected with the steel bar structures at two sides of the construction joint through the anchoring steel bars, the structure is simple and stable in positioning, and a stable and regular support frame is provided for the follow-up construction joint template installation and concrete pouring.

In the actual use, the steel channel girder is fixed through the fixed length part, and the length of the expansion joint can be adjusted, but the steel channel girder with a specific width can be fixed, so that the problem of reduced application scene of the device is caused.

Therefore, it is necessary to provide a new expansion joint structure to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide an expansion joint structure which solves the problems existing in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the steel channel beam, one side of steel channel beam is provided with first fixture block, the top of first fixture block is connected with the fixed plate, the outside cover of first fixture block is equipped with one-level swinging boom, the inside pivot that alternates of one-level swinging boom's one end, the outside cover of pivot is equipped with the second swinging boom, the inside cover of one end of second swinging boom is equipped with the second fixed column, the bottom of second fixed column is connected with the second fixture block, the inside of fixed plate alternates there is the stud, the outside cover of stud is equipped with the spacing ring.

Preferably, one side of the bottom end of the second clamping block is connected with a fixing block, a bolt with a handle is inserted in the fixing block, and a pressing block is sleeved on the outer side of the bolt with the handle.

Preferably, the outer side of the stud bolt is connected with a cross rotary handle.

Compared with the prior art, the utility model has the beneficial effects that: through rotating the cross rotation handle, the cross rotation handle drives the stud and rotates, the stud drives the fixed plate and removes, the fixed plate drives first fixed column and first fixture block and removes, the stop collar can restrict the removal of second fixture block, first fixed column removes and makes contained angle between one-level swinging boom and the second swinging boom reduce, make first fixture block and second fixture block firmly chucking girder steel, the mode of fixing the girder steel through fixed length portion in the in-service use now has been solved, although the length of expansion joint can be adjusted, but can only fix the girder steel of a groove of specific width, lead to the problem that the applicable scene of device reduces.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 1;

Fig. 4 is an enlarged schematic view of the structure at B in fig. 3.

Reference numerals in the drawings:

1. Steel channel beams; 2. a first clamping block; 3. a first fixing column; 4. a fixing plate; 5. a first-stage rotating arm; 6. a secondary rotating arm; 7. a rotating shaft; 8. a second fixing column; 9. a second clamping block; 10. a limiting ring; 11. a stud bolt; 12. a cross rotary handle; 13. briquetting; 14. a fixed block; 15. a bolt with a handle.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic diagram of an overall structure of an expansion joint structure according to the present utility model; FIG. 2 is a front view of the present utility model; FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 1; fig. 4 is an enlarged schematic view of the structure at B in fig. 3. The expansion joint structure comprises a steel channel beam 1, a first clamping block 2 is arranged on one side of the steel channel beam 1, a fixing plate 4 is connected to the top end of the first clamping block 2, a primary rotating arm 5 is sleeved on the outer side of the first clamping block 2, a rotating shaft 7 is inserted in one end of the primary rotating arm 5, a secondary rotating arm 6 is sleeved on the outer side of the rotating shaft 7, a second fixing column 8 is sleeved on the inner side of one end of the secondary rotating arm 6, a second clamping block 9 is connected to the bottom end of the second fixing column 8, a stud 11 is inserted in the fixing plate 4, and a limiting ring 10 is sleeved on the outer side of the stud 11.

In the specific implementation process, as shown in fig. 1,3 and 4, a fixed block 14 is connected to one side of the bottom end of the second clamping block 9, a bolt 15 with a handle is inserted in the fixed block 14, and a pressing block 13 is sleeved outside the bolt 15 with the handle.

Referring to fig. 1 and 3, a cross-shaped rotation handle 12 is attached to the outer side of the stud 11.

It should be noted that: the top of first fixture block 2 and the bottom welded fastening of first fixed column 3, the top of first fixed column 3 and the bottom welded fastening of fixed plate 4, the screw hole has been seted up to the inside of fixed plate 4, the bottom of second fixed column 8 and the top welded fastening of second fixture block 9, the screw hole has been seted up to the inside of spacing ring 10, the outside of stud 11 and the inside welded fastening of cross rotation handle 12, one side of fixed block 14 and one side welded fastening of second fixture block 9, the outside of handle bolt 15 upper end is provided with forward screw thread, the outside of handle bolt 15 lower extreme is provided with reverse screw thread, forward screw hole has been seted up to the inside of fixed block 14, reverse screw hole has been seted up to the inside of briquetting 13.

The working principle of the expansion joint structure provided by the utility model is as follows:

When the groove steel girder fixing device is used, the first clamping block 2 and the second clamping block 9 are sleeved on the outer side of the steel girder steel channel 1, the cross rotary handle 12 is rotated, the cross rotary handle 12 drives the stud 11 to rotate, the stud 11 drives the fixing plate 4 to move towards one side of the cross rotary handle 12, the fixing plate 4 drives the first fixing column 3 to move, the first fixing column 3 drives the first clamping block 2 to move, in the moving process, the second clamping block 9 stops moving under the blocking of the limiting ring 10, at the moment, the primary rotating arm 5 and the secondary rotating arm 6 can rotate around the rotating shaft 7, the included angle between the primary rotating arm 5 and the secondary rotating arm 6 is reduced, the first fixing column 3 and the second fixing column 8 are driven to move, the first fixing column 3 and the second fixing column 8 drive the first clamping block 2 and the second clamping block 9 to move respectively, the first clamping block 2 and the second clamping block 9 are firmly clamped with the steel girder steel channel 1, and the distance between the pressing block 13 and the fixing block 14 can be increased due to different thread directions in the pressing block 13 and the fixing block 14, and the groove steel girder steel with different thicknesses can be adjusted.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An expansion joint structure, its characterized in that: including steel channel beam (1), one side of steel channel beam (1) is provided with first fixture block (2), the top of first fixture block (2) is connected with fixed plate (4), the outside cover of first fixture block (2) is equipped with one-level swinging boom (5), the inside of one-level swinging boom (5) one end is interluded has pivot (7), the outside cover of pivot (7) is equipped with second grade swinging boom (6), the inside cover of second grade swinging boom (6) one end is equipped with second fixed column (8), the bottom of second fixed column (8) is connected with second fixture block (9), the inside of fixed plate (4) is interluded there is stud (11), the outside cover of stud (11) is equipped with spacing ring (10).

2. An expansion joint structure according to claim 1, wherein: one side of second fixture block (9) bottom is connected with fixed block (14), the inside of fixed block (14) is interluded has handle bolt (15), the outside cover of handle bolt (15) is equipped with briquetting (13).

3. An expansion joint structure according to claim 1, wherein: the outer side of the stud bolt (11) is connected with a cross rotary handle (12).