CN219824885U - Bridge telescoping device that bridge was built usefulness - Google Patents

Abstract

The utility model discloses a bridge expansion device for bridge construction, which comprises a first splicing block, a second splicing block, a fixed box and a movable block, wherein a first rotating arm is sleeved on the outer side of a vertical rod in a sliding mode, the second rotating arm coaxially rotates in the first rotating arm, a barrier strip matched with a protruding block to slide is fixedly arranged at the upper end of the first splicing block, an elastic piece matched with the first rotating arm to lift is arranged on the vertical rod, and a biting piece for limiting the rotation of the first rotating arm is arranged on the vertical rod. According to the utility model, the rotation of the first radial arm and the second radial arm is controlled, the distance between the two splicing blocks is adjusted, after the width range of the two splicing plates is matched with the distance between the bridge, the rotation of the first radial arm is limited by the occluding piece, so that the width of the telescopic device is kept unchanged, and the telescopic device and the bridge are conveniently butt-jointed and installed by workers through the pre-fixing of the first splicing blocks and the second splicing blocks, thereby achieving the purpose of improving the processing efficiency.

Description

Bridge telescoping device that bridge was built usefulness

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a bridge expansion device for bridge construction.

Background

Because bridge building material's expend with heat and contract with cold, conditions such as bridge subsides can lead to the bridge floor to warp, through set up telescoping device between the butt joint end of bridge, can satisfy the deformation demand of bridge.

According to the patent application No.: CN202222194430.4, a bridge expansion device for bridge construction, it fixes the fixed box on the second splicing block through fixing the movable block on the first splicing block, be provided with the spring that acts on the movable block in the fixed box, solve the transverse deformation problem of bridge, but according to the description of description, the front end of movable block is movable joint with the inside of fixed box, when fixing first splicing block and second splicing block with corresponding bridge respectively, the staff need adjust the interval between first splicing block and the second splicing block according to the interval of two bridge butt ends earlier, and because be provided with the spring of effect each other between first splicing block and the second splicing block, consequently, need the staff in the in-process of installing, need overcome the elasticity effect of spring, the manual interval to two splicing plates stabilizes, thereby there is the problem that is unfavorable for the staff to operate.

Based on the defects, the bridge expansion device for bridge construction is provided.

Disclosure of Invention

The utility model aims at: in order to solve the problems, a bridge expansion device for bridge construction is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a bridge telescoping device that bridge was built usefulness, includes first splice, with the supporting second splice that uses of first splice, fix the fixed box on first splice to and fix the movable block on second splice, the upper end of second splice has set firmly the montant, the outside slip cap of montant is equipped with first radial arm, coaxial rotation has the second radial arm in the first radial arm, the lug has been set firmly to the bottom of first radial arm and second radial arm, the upper end of first splice has set firmly the gliding blend stop of cooperation lug, be provided with the elastic component that the cooperation first radial arm was held up on the montant, be provided with the interlock piece that restriction first radial arm was rotated on the montant.

Preferably, the first radial arm is formed with a recess groove inside which the second radial arm is screwed.

Preferably, an arm rod is slidably connected to each of the first swing arm and the second swing arm.

Preferably, the engaging member comprises an abutting sleeve fixedly arranged at the outer end of the vertical rod, a butt joint sleeve coaxially distributed with the abutting sleeve is fixedly arranged at the bottom of the first radial arm, and one end, opposite to the butt joint sleeve, of the abutting sleeve forms a matched engaging tooth structure.

Preferably, the outside sliding sleeve of montant is equipped with the clamping ring with the first spiral arm of downward action, the last swivel nut that has set firmly of clamping ring, be formed with the screw groove that the cooperation swivel nut was screwed on the lateral wall of montant.

Preferably, the elastic piece comprises a tray which is sleeved on the outer side of the vertical rod in a sliding manner so as to act on the first radial arm upwards, and a compression spring which acts on the tray upwards is sleeved on the outer side of the vertical rod.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the utility model, the rotation of the first radial arm and the second radial arm is controlled, the distance between the two splicing blocks is adjusted, after the width range of the two splicing plates is matched with the distance between the bridge, the rotation of the first radial arm is limited by the occluding piece, so that the width of the telescopic device is kept unchanged, and the telescopic device and the bridge are conveniently butt-jointed and installed by workers through the pre-fixing of the first splicing blocks and the second splicing blocks, thereby achieving the purpose of improving the processing efficiency.

Drawings

Fig. 1 shows a perspective view of a telescopic device provided according to an embodiment of the present utility model;

FIG. 2 illustrates a top view of a telescoping device provided in accordance with an embodiment of the present utility model;

fig. 3 shows a schematic exploded view of a telescopic device according to an embodiment of the present utility model.

Legend description:

1. a first splice block; 2. a fixed box; 3. a second splice block; 4. a movable block; 5. a barrier strip; 6. a vertical rod; 601. a thread groove; 7. an abutting sleeve; 8. a tray; 9. a compression spring; 10. a first radial arm; 1001. a notch groove; 11. a butt joint sleeve; 12. a second radial arm; 13. an arm lever; 14. a bump; 15. a compression ring; 16. a screw sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the bridge expansion device for bridge construction comprises a first splicing block 1, a second splicing block 3 matched with the first splicing block 1, a fixed box 2 fixed on the first splicing block 1 and a movable block 4 fixed on the second splicing block 3, wherein a vertical rod 6 is fixedly arranged at the upper end of the second splicing block 3, a first radial arm 10 is sleeved on the outer side of the vertical rod 6 in a sliding manner, a second radial arm 12 coaxially rotates in the first radial arm 10, a lug 14 is fixedly arranged at the bottoms of the first radial arm 10 and the second radial arm 12, a baffle bar 5 matched with the lug 14 in a sliding manner is fixedly arranged at the upper end of the first splicing block 1, an elastic piece matched with the first radial arm 10 in a supporting manner is arranged on the vertical rod 6, and a meshing piece for limiting the rotation of the first radial arm 10 is arranged on the vertical rod 6; after the distance between two bridges to be butted is measured, the first radial arm 10 and the second radial arm 12 are opened to two sides, the protruding blocks 14 fixed on the first radial arm 10 and the second radial arm 12 slide along the barrier strips 5, the first splicing block 1 and the second splicing block 3 are driven to be close to each other through the compression transmission of the protruding blocks 14 to the barrier strips 5, after the distance between the width range of the first splicing block 1 and the width range of the second splicing block 3 and the bridges are matched, the rotation of the first radial arm 10 is limited through the engaging piece, so that the width of the expansion device is kept unchanged, then the bridge expansion device can be paved between the two bridges, and after the fixation between the first splicing block 1 and the second splicing block 3 and the respective bridges is respectively completed in a cement pouring mode, the first radial arm 10 and the second radial arm 12 can be detached from the first splicing block 1, so that the first splicing block 1 and the second splicing block 3 are in a relatively movable state, and the subsequent deformation requirements of the bridges are met. Through the pre-fixing of the first splicing block 1 and the second splicing block 3, the telescopic device is convenient for workers to install the telescopic device in a butt joint mode with a bridge, and the purpose of improving machining efficiency is achieved.

Specifically, as shown in fig. 1 and 3, the first radial arm 10 is formed with a notch 1001 inside which is screwed with the second radial arm 12; the provision of the notch 1001 provides a rotational space for the first radial arm 10.

An arm rod 13 is slidably connected in each of the first radial arm 10 and the second radial arm 12; by lengthening the arm rod 13, the arm arms of the first radial arm 10 and the second radial arm 12 are increased, so that the operator can conveniently rotate the arm rods.

Specifically, as shown in fig. 1 and 3, the engaging member includes an abutting sleeve 7 fixedly arranged at the outer end of the vertical rod 6, a butt sleeve 11 coaxially distributed with the abutting sleeve 7 is fixedly arranged at the bottom of the first radial arm 10, and a matched tooth structure is formed at one end of the abutting sleeve 7 opposite to the butt sleeve 11; when the first radial arm 10 and the second radial arm 12 are opened to corresponding angles, the first radial arm 10 is driven to move downwards, and when the butt joint sleeve 11 fixed on the first radial arm 10 is meshed with the butt joint sleeve 7, the random rotation of the first radial arm 10 and the second radial arm 12 can be limited, and at the moment, the space between the first splicing block 1 and the second splicing block 3 is kept unchanged.

The outer side of the vertical rod 6 is sleeved with a compression ring 15 which acts downwards on the first radial arm 10 in a sliding manner, a threaded sleeve 16 is fixedly arranged on the compression ring 15, and a thread groove 601 which is screwed with the threaded sleeve 16 is formed in the side wall of the vertical rod 6; by rotating the screw sleeve 16, the compression ring 15 fixed with the screw sleeve 16 acts on the first radial arm 10 downwards until the butt sleeve 11 and the butt sleeve 7 are meshed; after the telescopic device and the bridge are installed, the threaded sleeve 16 is screwed off the vertical rod 6, so that the first radial arm 10 and the second radial arm 12 can be separated from the vertical rod 6, and the limiting state of the first splicing block 1 and the second splicing block 3 can be relieved.

The elastic piece comprises a tray 8 which is sleeved on the outer side of the vertical rod 6 in a sliding way so as to act on the first radial arm 10 upwards, and a compression spring 9 which acts on the tray 8 upwards is sleeved on the outer side of the vertical rod 6; in the process that the first radial arm 10 and the second radial arm 12 are rotated by the staff, the tray 8 carries out lifting on the first radial arm 10 under the action of the compression spring 9, so that the butt joint sleeve 11 at the bottom of the first radial arm 10 is separated from the butt joint sleeve 7, and the operation and rotation of the first radial arm 10 and the second radial arm 12 by the staff are facilitated.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a bridge telescoping device that bridge was built usefulness, includes first splice piece (1), with the supporting second splice piece (3) that uses of first splice piece (1), fix fixed box (2) on first splice piece (1) to and fix movable block (4) on second splice piece (3), its characterized in that, the upper end of second splice piece (3) has set firmly montant (6), the outside slip cap of montant (6) is equipped with first radial arm (10), coaxial rotation has second radial arm (12) in first radial arm (10), lug (14) have been set firmly in the bottom of first radial arm (10) and second radial arm (12), the upper end of first splice piece (1) has set firmly cooperation lug (14) gliding blend stop (5), be provided with the elastic component that the cooperation first radial arm (10) was held up on montant (6), be provided with the first interlock piece of restriction radial arm (10) on montant (6).

2. The bridge girder extension device for constructing a bridge according to claim 1, wherein the first swing arm (10) is formed with a recess groove (1001) in which the second swing arm (12) is screwed.

3. Bridge extension device for bridge construction according to claim 1, characterized in that the first swing arm (10) and the second swing arm (12) are both slidingly connected with an arm lever (13).

4. The bridge expansion device for bridge construction according to claim 1, wherein the engaging member comprises an abutting sleeve (7) fixedly arranged at the outer end of the vertical rod (6), a butt joint sleeve (11) coaxially distributed with the abutting sleeve (7) is fixedly arranged at the bottom of the first radial arm (10), and a matched tooth structure is formed at one end, opposite to the abutting sleeve (11), of the abutting sleeve (7).

5. The bridge expansion device for bridge construction according to claim 4, wherein the outer side of the vertical rod (6) is slidably sleeved with a pressing ring (15) for downwardly acting on the first rotating arm (10), a threaded sleeve (16) is fixedly arranged on the pressing ring (15), and a threaded groove (601) for being screwed with the threaded sleeve (16) is formed on the side wall of the vertical rod (6).

6. The bridge expansion device for bridge construction according to claim 5, wherein the elastic member comprises a tray (8) slidably sleeved on the outer side of the vertical rod (6) to act on the first swing arm (10) upwards, and a compression spring (9) for acting on the tray (8) upwards is sleeved on the outer side of the vertical rod (6).