Bridge widening structure

Abstract

The utility model relates to a bridge widening structure which comprises two clamping plates, a U-shaped plate, two bearing plates and a sealing cover plate, clamping grooves used for being connected with the side wall of a bridge in a clamped mode are formed in the side walls of the clamping plates, the U-shaped plate is located between the two clamping plates, the two bearing plates are arranged on the two side walls of the U-shaped plate correspondingly, the clamping plates support the bearing plates, and the sealing cover plate is arranged between the clamping plates and the bearing plates. The U-shaped plate is filled with concrete, and the sealing cover plate is used for sealing the concrete in the U-shaped plate. The device has the effect of reducing the labor intensity of workers.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bridge construction, in particular to a bridge widening structure. BACKGROUND

[0002] As one of the important carriers of expressways, bridges are the key and difficult projects of expressway reconstruction and expansion, and how to ensure the good operation performance of the structure after the bridge is widened is the difficulty and key point in the bridge reconstruction and expansion project; among them, the form of splicing of new and old bridge decks not only affects the stress of new and old bridge main girder structures, but also has a profound impact on traffic organization, bridge driving conditions and maintenance and repair work in the later operation stage, and is also restricted by the design and construction level of different periods. From the current development status at home and abroad, different splicing methods are selected when different structure forms and different span bridges are widened.

[0003] At present, the Chinese utility model patent with publication number CN219410517U discloses a new and old bridge deck splicing joint continuous construction device, which comprises a bottom plate, a top plate and a sealing plate. The top plate and the bottom plate are steel plates and are respectively arranged on the upper side and the lower side of the new and old bridge deck splicing position, and are pre-tensioned and fixed between the top plate and the bottom plate through multiple groups of anchor fastening components. At least a grouting hole is arranged on the top plate, and the sealing plate is sealed at the end of the top plate and the bottom plate of the new and old bridge deck splicing position to form a secondary concrete pouring space. The utility model has the characteristics of convenient pouring and quick construction.

[0004] Since the clamping groove body needs to be installed on the lower end face of the bridge, the worker needs to operate on the lower end face of the bridge when installing the clamping groove body by using hoisting equipment. The worker needs to operate with his head up, which is inconvenient and labor-intensive. CONTENT OF THE UTILITY MODEL

[0005] In order to reduce the labor intensity of the worker, the present application provides a bridge widening structure.

[0006] The bridge widening structure provided by the present application adopts the following technical scheme:

[0007] A bridge widening structure comprises two clamping plates, a U-shaped plate, two receiving plates and a sealing plate. A clamping groove for clamping with the side wall of the bridge is formed in the side wall of the clamping plate. The U-shaped plate is located between the two clamping plates. The two receiving plates are arranged on the two side walls of the U-shaped plate, respectively. The clamping plate supports the receiving plate. The U-shaped plate is filled with concrete. The sealing plate is used to seal the concrete in the U-shaped plate.

[0008] Through the above technical scheme, the two clamping plates are clamped to the side walls of the new and old bridges to be connected through the clamping grooves, the U-shaped plate is located between the two clamping plates, and the two adjacent receiving plates of the U-shaped plate are supported by the clamping plates, then the worker can pour the concrete into the U-shaped plate and cover the cover plate until the concrete solidifies, and the widening work of the bridge is completed, without the need for the worker to connect the bottom plate from the bottom of the bridge, thereby reducing the labor intensity of the worker and improving the installation convenience and efficiency.

[0009] Optionally, the U-shaped plate is provided with a matching piece for improving the connection strength of the clamping plate, the matching piece comprises a matching strip, a matching plate and a matching block, the matching strip is connected to the U-shaped plate in a sliding manner along a direction close to the matching plate, the matching plate is connected to the U-shaped plate in a sliding manner along a vertical direction, the matching plate is used for receiving concrete, the matching block is arranged on the matching plate, and a guide slope is arranged on the matching strip for driving the matching block to move the matching strip towards the clamping plate.

[0010] Through the above technical scheme, when the worker installs the U-shaped plate, the worker needs to fill the concrete into the U-shaped plate, and the concrete will drive the matching plate to move in a vertical direction under the action of gravity, the matching plate will drive the matching block to move, the matching block abuts against the guide slope of the matching strip, and the matching strip will be close to the matching plate and clamped to the clamping plate, so that the connection strength of the U-shaped plate and the clamping plate can be further improved through the matching strip.

[0011] Optionally, the matching piece further comprises a matching spring, the length of the matching spring is parallel to the sliding direction of the matching strip, and the matching spring is used for keeping the matching strip away from the clamping plate.

[0012] Through the above technical scheme, when the U-shaped plate is installed, the matching spring can be used to keep the matching strip away from the clamping plate, so as to reduce the knocking between the matching strip and the clamping plate during the installation process and improve the installation speed of the U-shaped plate.

[0013] Optionally, a limiting strip is arranged on the side wall of the clamping plate, and a limiting groove is arranged on the side wall of the U-shaped plate and matched with the limiting strip.

[0014] Through the above technical scheme, through the cooperation of the limiting strip and the limiting groove, the cooperation strength of the clamping plate and the U-shaped plate can be improved, and the installation of the clamping plate and the U-shaped plate is more neat.

[0015] Optionally, a reinforcing rib for improving the strength is arranged on the lower end surface of the U-shaped plate.

[0016] Through the above technical scheme, the U-shaped plate is used for filling the concrete, and the reinforcing rib can improve the bearing capacity of the U-shaped plate and improve the safety of the widening structure.

[0017] Optionally, a bushing for inserting the steel bar is arranged on the inner side wall of the U-shaped plate.

[0018] By adopting the above technical scheme, the steel bar is inserted into the inner side wall of the U-shaped plate, so that the strength of the U-shaped plate after filling with concrete is further improved, and the construction standard in the industry is met.

[0019] Optionally, a fixing bolt is arranged on the cover plate, and the tail of the fixing bolt sequentially penetrates the cover plate and the receiving plate and is threadedly connected to the clamping plate.

[0020] By adopting the above technical scheme, the cover plate is used to block the opening of the U-shaped plate and cover the concrete, so that the concrete is prevented from being in contact with the outside before being completely dried, and the concrete can be compacted, the bonding strength of the widened structure is improved, and the fixing structure is simple and convenient for the operator to operate.

[0021] Optionally, the side walls of the clamping plate, the receiving plate and the cover plate are chamfered and smoothly transitioned.

[0022] By adopting the above technical scheme, the circulation of vehicles needs to be ensured after the connection of the new and old bridges, the clamping plate, the receiving plate and the cover plate are chamfered and smoothly transitioned, the smooth passage of vehicles is facilitated, and the discomfort of the passengers passing through the widened structure is reduced.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The clamping plate and the receiving plate cooperate to support the U-shaped plate, the U-shaped plate is used to fill the concrete, and the operator does not need to install the bolt at the bottom of the bridge, so that the working strength of the operator is reduced.

[0025] 2. The cooperating piece is used to further strengthen the connection strength of the U-shaped plate and the clamping plate. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a bridge widening structure.

[0027] Figure 2 is a sectional view of the bridge widening structure.

[0028] Figure 3 is an exploded view of the bridge widening structure.

[0029] Reference signs: 1, clamping plate; 11, limiting strip; 12, clamping groove; 2, U-shaped plate; 21, limiting groove; 22, bushing; 23, reinforcing rib; 3, receiving plate; 4, cover plate; 5, cooperating piece; 51, cooperating strip; 511, guide inclined surface; 52, cooperating plate; 53, cooperating block; 54, cooperating spring; 6, fixing bolt. DETAILED DESCRIPTION

[0030] The following description will be made in conjunction with the accompanying drawings Figures 1-3 The application is further described in detail.

[0031] The embodiment of the application discloses a bridge widening structure. Figure 1 and Figure 2 The bridge widening structure comprises two clamping plates 1, a U-shaped plate 2, two receiving plates 3, a cover plate 4 and a matching piece 5, the two clamping plates 1 correspond to two bridges respectively, the length direction of the clamping plate 1 is parallel to the length direction of the bridge, a clamping groove 12 is formed in the side wall of the clamping plate 1 along the length direction of the clamping plate 1, the clamping groove 12 is clamped on the side wall of the bridge, the length direction of the U-shaped plate 2 is parallel to the length direction of the clamping plate 1, the U-shaped plate 2 is located between the two clamping plates 1, the two receiving plates 3 are distributed on the two sides of the U-shaped plate 2 along the width direction of the U-shaped plate 2 respectively, the receiving plate 3 is horizontally arranged, the receiving plate 3 is fixedly arranged on the side wall of the U-shaped plate 2, the receiving plate 3 is located above the clamping plate 1, the clamping plate 1 supports the receiving plate 3, the matching piece 5 is located on the U-shaped plate 2, the U-shaped plate 2 is used for filling concrete, and the cover plate 4 is used for covering the concrete.

[0032] Referring to Figure 2 and Figure 3 The side wall of the clamping plate 1 is provided with a plurality of limiting strips 11, the plurality of limiting strips 11 are distributed along the length direction of the clamping plate 1, the limiting strip 11 is vertically arranged, a limiting groove 21 is formed in the outer side wall of the U-shaped plate 2, the limiting groove 21 extends along the vertical direction, the limiting groove 21 is used for sliding displacement of the limiting strip 11, a plurality of insertion holes 22 are formed in the inner side wall of the U-shaped plate 2, the plurality of insertion holes 22 are distributed along the length direction of the U-shaped plate 2, the insertion hole 22 is used for inserting a reinforcing steel bar, and a plurality of reinforcing ribs 23 are fixedly arranged on the lower end face of the U-shaped plate 2, the reinforcing ribs 23 are arranged alternately.

[0033] Referring to Figure 2 and Figure 3The matching piece 5 comprises a plurality of matching strips 51, a matching plate 52, a plurality of matching blocks 53 and a plurality of matching springs 54. The plurality of matching strips 51 are uniformly distributed on the lower end surface of the U-shaped plate 2, the length direction of the matching strip 51 is parallel to the width direction of the U-shaped plate 2, the matching strip 51 is slidingly connected to the lower end surface of the U-shaped plate 2 along the width direction of the U-shaped plate 2, a guide inclined surface 511 is arranged between the upper end surface of the matching strip 51 and the end surface of the matching strip 51 away from the clamping plate 1, the plurality of matching springs 54 correspond to the plurality of matching strips 51 one-to-one, the length direction of the matching spring 54 is parallel to the length direction of the matching strip 51, one end of the matching spring 54 is fixedly arranged on the matching strip 51, the other end of the matching spring 54 is fixedly arranged on the U-shaped plate 2, the matching plate 52 is horizontally arranged, the matching plate 52 is located in the U-shaped plate 2, the matching plate 52 is slidingly connected to the U-shaped plate 2 along the vertical direction, the plurality of matching blocks 53 correspond to the plurality of matching strips 51 one-to-one, the matching block 53 is fixedly arranged on the lower end surface of the matching plate 52, and the matching block 53 is used for abutting against the guide inclined surface 511.

[0034] With reference to Figure 2 And Figure 3 The side walls of the clamping plate 1, the receiving plate 3 and the cover plate 4 are all chamfered and smoothly transitioned with each other, the cross section of the clamping plate 1, the receiving plate 3 and the cover plate 4 located above the bridge part forms an isosceles trapezoid, a plurality of fixing bolts 6 are uniformly distributed on the cover plate 4, the fixing bolt 6 is vertically arranged, the tail part of the fixing bolt 6 penetrates the cover plate 4 and the receiving plate 3 in sequence, the tail part of the fixing bolt 6 is threadedly connected to the clamping plate 1, and the head part of the fixing bolt 6 is located in the cover plate 4.

[0035] The implementation principle of the bridge widening structure in the embodiment of the application is as follows: when two new and old bridges need to be connected side by side, the staff first clamps the clamping plate 1 to the opposite side walls of the new and old bridges, then places the U-shaped plate 2 between the two clamping plates 1, places the receiving plate 3 on the U-shaped plate 2 on the clamping plate 1, inserts the steel bars in the insertion hole 22 of the U-shaped plate 2, then fills the U-shaped plate 2 with concrete, in the process of filling the concrete, the gravity of the concrete drives the matching plate 52 to move vertically downward, the matching block 53 abuts against the guide inclined surface 511 on the matching strip 51, the matching strip 51 overcomes the matching spring 54 and abuts against the lower end surface of the clamping plate 1, after the U-shaped plate 2 is completed pouring, the cover plate 4 is covered on the concrete and abuts against the receiving plate 3, then the cover plate 4, the receiving plate 3 and the clamping plate 1 are fixedly connected through the fixing bolt 6.

[0036] The above are all preferred embodiments of the application, and do not limit the protection scope of the application, so: all equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A bridge widening structure, characterized by: The invention comprises two clamping plates (1), a U-shaped plate (2), two receiving plates (3) and a cover plate (4); the side wall of the clamping plate (1) is provided with a clamping groove (12) for clamping with the side wall of the bridge; the U-shaped plate (2) is located between the two clamping plates (1); the two receiving plates (3) are respectively arranged on the two side walls of the U-shaped plate (2); the clamping plate (1) supports the receiving plates (3); the U-shaped plate (2) is filled with concrete; and the cover plate (4) is used to seal the concrete in the U-shaped plate (2).

2. A bridge widening structure according to claim 1, characterized in that: The U-shaped plate (2) is provided with a matching piece (5) for improving the connection strength with the clamping plate (1), and the matching piece (5) includes a matching strip (51), a matching plate (52) and a matching block (53). The matching strip (51) is connected to the U-shaped plate (2) by sliding in a direction close to the matching plate (52), and the matching plate (52) is connected to the U-shaped plate (2) by sliding in a vertical direction. The matching plate (52) is used to receive concrete. The matching block (53) is provided on the matching plate (52). The matching strip (51) is provided with a guiding inclined surface (511) for the matching block (53) to drive the matching strip (51) to move toward the clamping plate (1).

3. The bridge widening structure according to claim 2, characterized in that: The mating piece (5) further comprises a mating spring (54), the length of which is parallel to the sliding direction of the mating strip (51), and the mating spring (54) is used to keep the mating strip (51) away from the clamping plate (1).

4. The bridge widening structure according to claim 1, characterized in that: The side wall of the clamping plate (1) is provided with a limiting strip (11), and the side wall of the U-shaped plate (2) is provided with a limiting groove (21) that is clamped and matched with the limiting strip (11).

5. The bridge widening structure according to claim 1, characterized in that: The lower end surface of the U-shaped plate (2) is provided with a reinforcing rib (23) for increasing strength.

6. The bridge widening structure according to claim 1, characterized in that: An insertion hole (22) for inserting a steel bar is provided on the inner side wall of the U-shaped plate (2).

7. The bridge widening structure according to claim 1, characterized in that: A fixing bolt (6) is provided on the cover plate (4), and the tail of the fixing bolt (6) passes through the cover plate (4) and the receiving plate (3) in sequence and is threadedly connected to the clamping plate (1).

8. The bridge widening structure according to claim 7, characterized in that: The side walls of the clamping plate (1), the receiving plate (3) and the covering plate (4) are all chamfered and smoothly transition between each other.

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