A seamless, non-sense, and silent bridge expansion device and installation method thereof

Abstract

The present invention provides a seamless, non-inductive and silent bridge expansion device and an installation method thereof, comprising a first side beam (1), a second side beam (2), a belt (3), a cross-seam plate (4), a tensioning device (5), a first road surface protection device (6), and a second road surface protection device (7); the first side beam (1) and the second side beam (2) are arranged in the belt (3); the cross-seam plate (4) is arranged on the first side beam (1) and the second side beam (2); a tensioning device (5) is arranged between the first side beam (1) and the second side beam (2); the first road surface protection device (6) and the second road surface protection device (7) are arranged on the left and right sides of the belt (3) and fixed on the beam body, thereby improving driving comfort and improving noise pollution around the bridge by eliminating gaps and reducing impact vibration.

Description

Technical Field

[0001] The invention relates to the field of bridge expansion devices, and in particular to a seamless, non-inductive and silent bridge expansion device and an installation method thereof. Background Art

[0002] The bridge expansion device is an important component of the bridge, which plays a vital role in ensuring the normal and effective expansion and contraction of the bridge beam and ensuring the smooth travel of vehicles. At present, there are mainly two types of bridge expansion devices: modular type and comb plate type.

[0003] Whether it is a modular telescopic device or a comb-tooth plate telescopic device, there are obvious gaps or grooves on the surface. These grooves or gaps will directly impact the wheels when they pass by. After this impact acts on the vehicle, it will produce vibration, affecting driving comfort and also affecting the vehicle structure. At the same time, the huge noise generated by the impact has caused serious sound pollution to the surrounding areas of the bridge, especially urban viaducts, bridges near residential areas, etc., which seriously disturb residents at night. Summary of the invention

[0004] The purpose of the present invention is to provide a seamless, imperceptible and silent bridge expansion device and an installation method thereof, so as to solve the problem that modular expansion devices and comb plate expansion devices affect driving comfort and vehicle structure, while improving noise pollution around the bridge.

[0005] Implementation of the present invention:

[0006] A seamless, non-inductive and silent bridge expansion and contraction device, characterized in that it comprises a first side beam (1), a second side beam (2), a belt (3), a cross-seam plate (4), a tensioning device (5), a first road surface protection device (6), a second road surface protection device (7), a first beam body (8) and a second beam body (9); the first side beam (1) and the second side beam (2) are arranged in the belt (3); the cross-seam plate (4) is arranged on the first side beam (1) and the second side beam (2); a tensioning device (5) is arranged between the first side beam (1) and the second side beam (2); the first road surface protection device (6) and the second road surface protection device (7) are arranged on the left and right sides of the belt (3); the first road surface protection device (6) is fixed on the first beam body (8); the second road surface protection device (7) is fixed on the second beam body (9); the first side beam (1) is fixed on the first beam body (8); the second side beam (2) is fixed on the second beam body (9).

[0007] In the present invention, the first side beam (1) and the second side beam (2) are special-shaped steel structures; the right end of the first side beam (1) is a downward inclined surface; the left end of the second side beam (2) is a downward inclined surface; the first side beam (1) is provided with a first boss (11) at the lower part, and a plurality of first belt grooves (111) are provided at the lower end of the first boss (11); the second side beam (2) is provided with a second boss (21) at the lower part, and a plurality of second belt grooves (211) are provided at the lower end of the second boss (21); the number of the first belt grooves (111) and the second belt grooves (211) is determined according to actual needs; the first side beam (1) is provided with a first cross-seam plate groove (12) at the right part of the upper end, and the second side beam (2) is provided with a second cross-seam plate groove (22) at the left part of the upper end.

[0008] The lower surface of the upper part of the belt (3) is provided with a plurality of positioning grooves (31); the upper surface of the cross-seam plate (4) is provided with a plurality of positioning teeth (41) corresponding to the positioning grooves (31); the number of the positioning grooves (31) and the positioning teeth (41) is determined according to actual conditions; the cross-seam plate (4) is made of metal.

[0009] The left and right parts of the belt (3) are each provided with a plurality of rotation grooves (32).

[0010] In the present invention, a plurality of fixing teeth (42) are provided at the lower end of the left portion of the cross-seam plate (4); the first cross-seam plate groove (12) is provided with a plurality of fixing grooves (121) corresponding to the fixing teeth (42); the left portion of the cross-seam plate (4) is fixed on the fixing groove (121); the right portion of the cross-seam plate (4) is in contact with the second cross-seam plate groove (22); there is no gap between the left end of the cross-seam plate (4) and the left end of the first cross-seam plate groove (12); a gap is provided between the right end of the cross-seam plate (4) and the right end of the second cross-seam plate groove (22); the number of the fixing teeth (42) and the fixing grooves (121) is determined according to actual needs.

[0011] When the tensioning device (5) is a wedge-shaped block, the left end of the wedge-shaped block is an upward inclined surface corresponding to the downward inclined surface of the right end of the first side beam (1); the right end of the wedge-shaped block is an upward inclined surface corresponding to the downward inclined surface of the left end of the second side beam (2); the wedge-shaped block is located below the cross-seam plate (4); and the belt (3) is cylindrical.

[0012] When the tensioning device (5) is a spring, the belt (3) is in the shape of a belt; the spring connects the two ends of the lower part of the belt (3).

[0013] The first road surface protection device (6) and the second road surface protection device (7) are metal blocks.

[0014] The present invention provides a method for installing a seamless, non-sense and silent bridge expansion device, which is characterized by comprising the following steps:

[0015] a. Fixing the protection device: fixing the first road surface protection device (6) on the first beam body (8); fixing the second road surface protection device (7) on the second beam body (9);

[0016] b. The device comprises: wrapping the first side beam (1) and the second side beam (2) with a belt (3), placing the lower part of the belt (3) in the first belt groove (11) and the second belt groove (21), placing the first side beam (1) on the first beam body (8), and placing the second side beam (2) on the second beam body (9);

[0017] c. Fixing the first side beam (1): rotating the belt (3) clockwise, and connecting the first side beam (1) and the first beam body (8) with bolts through the rotation groove (32) on the left side of the belt (3);

[0018] d. Fixing the second side beam (2): rotating the belt (3) counterclockwise, and connecting the second side beam (2) and the second beam body (9) with bolts through the rotation groove (32) on the right side of the belt (3);

[0019] e. Installing the cross-seam plate (4): inserting the cross-seam plate (4) according to the corresponding relationship between the fixing teeth (42) and the fixing grooves (12), connecting the cross-seam plate (4) to the first side beam (1), and then fixing it by bolts or welding;

[0020] f. Rotate the belt (3) clockwise to connect the positioning groove (31) with the positioning tooth (41);

[0021] g. Install the tensioning device (5): If the tensioning device (5) is a wedge-shaped block, insert the wedge-shaped block between the first side beam (1) and the second side beam (2); if the tensioning device (5) is a spring, use the spring to connect the left and right ends of the lower part of the belt (3).

[0022] Beneficial effects of the present invention:

[0023] (1) There are no obvious gaps or grooves on the bridge surface, allowing vehicles to pass smoothly.

[0024] (2) Eliminate impact vibration and improve driving comfort.

[0025] (3) Eliminates impact noise and improves noise pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of a bridge expansion device in which the tensioning device is a wedge block;

[0027] Figure 2 A schematic diagram of a bridge telescopic device in which the tensioning device is a spring;

[0028] Figure 3 The first side beam is three-dimensional Figure 1 ;

[0029] Figure 4 The first side beam is three-dimensional Figure 2 ;

[0030] Figure 5 For the second side beam Figure 1 ;

[0031] Figure 6 For the second side beam Figure 2 ;

[0032] Figure 7 It is a three-dimensional diagram of the cross-seam plate;

[0033] Figure 8 This is a partial enlarged view of the cross-seam plate;

[0034] Fig. 9 It is a three-dimensional schematic diagram of a belt whose tensioning device is a wedge-shaped block;

[0035] Fig.10 It is a schematic diagram of the AA section;

[0036] In the figure, 1 is the first side beam, 11 is the first boss, 111 is the first belt groove, 12 is the first cross-slot plate groove, 121 is the fixed groove, 2 is the second side beam, 21 is the second boss, 211 is the second belt groove, 22 is the second cross-slot plate groove, 3 is the belt, 31 is the positioning groove, 32 is the rotating groove, 4 is the cross-slot plate, 41 is the positioning tooth, 42 is the fixed tooth, 5 is the tensioning device, 6 is the first road surface protection device, 7 is the second road surface protection device, 8 is the first beam body, and 9 is the second beam body. DETAILED DESCRIPTION

[0037] The present invention is further described below through specific implementation examples.

[0038] Example 1

[0039] A seamless, non-inductive and silent bridge expansion and contraction device, characterized in that it comprises a first side beam (1), a second side beam (2), a belt (3), a cross-seam plate (4), a tensioning device (5), a first road surface protection device (6), a second road surface protection device (7), a first beam body (8) and a second beam body (9); the first side beam (1) and the second side beam (2) are arranged in the belt (3); the cross-seam plate (4) is arranged on the first side beam (1) and the second side beam (2); a tensioning device (5) is arranged between the first side beam (1) and the second side beam (2); the first road surface protection device (6) and the second road surface protection device (7) are arranged on the left and right sides of the belt (3); the first road surface protection device (6) is fixed on the first beam body (8); the second road surface protection device (7) is fixed on the second beam body (9); the first side beam (1) is fixed on the first beam body (8); the second side beam (2) is fixed on the second beam body (9).

[0040] Furthermore, the first side beam (1) and the second side beam (2) are special-shaped steel structures; the right end of the first side beam (1) is a downward inclined surface; the left end of the second side beam (2) is a downward inclined surface; the first side beam (1) is provided with a first boss (11) at the lower part, and a plurality of first belt grooves (111) are provided at the lower end of the first boss (11); the second side beam (2) is provided with a second boss (21) at the lower part, and a plurality of second belt grooves (211) are provided at the lower end of the second boss (21); the number of the first belt grooves (111) and the second belt grooves (211) is determined according to actual needs; the first side beam (1) is provided with a first cross-seam plate groove (12) at the right part of the upper end, and the second side beam (2) is provided with a second cross-seam plate groove (22) at the left part of the upper end.

[0041] Furthermore, a plurality of positioning grooves (31) are provided on the lower surface of the upper part of the belt (3); a plurality of positioning teeth (41) corresponding to the positioning grooves (31) are provided on the upper surface of the cross-seam plate (4); the number of the positioning grooves (31) and the positioning teeth (41) is determined according to actual conditions; and the cross-seam plate (4) is made of metal.

[0042] Furthermore, the left and right parts of the belt (3) are each provided with a plurality of rotation grooves (32).

[0043] Furthermore, a plurality of fixing teeth (42) are provided at the lower end of the left portion of the cross-seam plate (4); the first cross-seam plate slot (12) is provided with a plurality of fixing slots (121) corresponding to the fixing teeth (42); the left portion of the cross-seam plate (4) is fixed on the fixing slot (121); the right portion of the cross-seam plate (4) is in contact with the second cross-seam plate slot (22); there is no gap between the left end of the cross-seam plate (4) and the left end of the first cross-seam plate slot (12); a gap is provided between the right end of the cross-seam plate (4) and the right end of the second cross-seam plate slot (22); and the number of the fixing teeth (42) and the fixing slots (121) is determined according to actual needs.

[0044] Furthermore, the tensioning device (5) is a wedge-shaped block; the left end of the wedge-shaped block is an upward inclined surface corresponding to the downward inclined surface of the right end of the first side beam (1); the right end of the wedge-shaped block is an upward inclined surface corresponding to the downward inclined surface of the left end of the second side beam (2); the wedge-shaped block is located below the cross-seam plate (4); and the belt (3) is cylindrical.

[0045] Furthermore, the tensioning device (5) is a spring; the belt (3) is in the shape of a belt; and the spring connects the two ends of the lower part of the belt (3).

[0046] Furthermore, the first road surface protection device (6) and the second road surface protection device (7) are metal blocks.

[0047] Furthermore, the belt (3) described in this embodiment is the ST1600 tear-resistant steel wire core conveyor belt produced by Shandong Hanbang Rubber Belt Co., Ltd., but it is not limited to this embodiment. If other products can achieve the same effect, they also fall within the protection scope of the present invention.

[0048] Example 2

[0049] A method for installing a seamless, non-sense and silent bridge expansion device, characterized in that it comprises the following steps:

[0050] a. Fixing the protection device: fixing the first road surface protection device (6) on the first beam body (8); fixing the second road surface protection device (7) on the second beam body (9);

[0051] b. The device comprises: wrapping the first side beam (1) and the second side beam (2) with a belt (3), placing the lower part of the belt (3) in the first belt groove (11) and the second belt groove (21), placing the first side beam (1) on the first beam body (8), and placing the second side beam (2) on the second beam body (9);

[0052] c. Fixing the first side beam (1): rotating the belt (3) clockwise, and connecting the first side beam (1) and the first beam body (8) with bolts through the rotation groove (32) on the left side of the belt (3);

[0053] d. Fixing the second side beam (2): rotating the belt (3) counterclockwise, and connecting the second side beam (2) and the second beam body (9) with bolts through the rotation groove (32) on the right side of the belt (3);

[0054] e. Installing the cross-seam plate (4): inserting the cross-seam plate (4) according to the corresponding relationship between the fixing teeth (42) and the fixing grooves (121), connecting the cross-seam plate (4) to the first side beam (1), and then fixing by welding;

[0055] f. Rotate the belt (3) clockwise to connect the positioning groove (31) with the positioning tooth (41);

[0056] g. Install the tensioning device (5): insert the wedge block between the first side beam (1) and the second side beam (2).

[0057] The belt (3) described in this embodiment is an ST3150 tear-resistant steel cord conveyor belt produced by Shandong Hanbang Rubber Belt Co., Ltd., but it is not limited to this embodiment. If other products can achieve the same effect, they also belong to the protection scope of the present invention.

[0058] Example 3

[0059] A method for installing a seamless, non-sense and silent bridge expansion device, characterized in that it comprises the following steps:

[0060] a. Fixing the protection device: fixing the first road surface protection device (6) on the first beam body (8); fixing the second road surface protection device (7) on the second beam body (9);

[0061] b. The device comprises: wrapping the first side beam (1) and the second side beam (2) with a belt (3), placing the lower part of the belt (3) in the first belt groove (11) and the second belt groove (21), placing the first side beam (1) on the first beam body (8), and placing the second side beam (2) on the second beam body (9);

[0062] c. Fixing the first side beam (1): rotating the belt (3) clockwise, and connecting the first side beam (1) and the first beam body (8) with bolts through the rotation groove (32) on the left side of the belt (3);

[0063] d. Fixing the second side beam (2): rotating the belt (3) counterclockwise, and connecting the second side beam (2) and the second beam body (9) with bolts through the rotation groove (32) on the right side of the belt (3);

[0064] e. Installing the cross-seam plate (4): inserting the cross-seam plate (4) according to the corresponding relationship between the fixing teeth (42) and the fixing grooves (121), connecting it to the first side beam (1), and then fixing it with bolts;

[0065] f. Rotate the belt (3) clockwise to connect the positioning groove (31) with the positioning tooth (41);

[0066] g. Install the tensioning device (5): If the tensioning device (5) is a spring, use the spring to connect the left and right ends of the lower part of the belt (3).

[0067] The belt (3) described in this embodiment is the ST2500 tear-resistant steel cord conveyor belt produced by Shandong Hanbang Rubber Belt Co., Ltd., but it is not limited to this embodiment. If other products can achieve the same effect, they also belong to the protection scope of the present invention.

[0068] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and the specific implementation of the present invention cannot be limited to these descriptions. For ordinary technicians in the field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A seamless, non-sense and silent bridge expansion device, characterized by: The invention comprises a first side beam (1), a second side beam (2), a belt (3), a cross-seam plate (4), a tensioning device (5), a first road surface protection device (6), a second road surface protection device (7), a first beam body (8), and a second beam body (9); the first side beam (1) and the second side beam (2) are arranged in the belt (3); the cross-seam plate (4) is arranged on the first side beam (1) and the second side beam (2); a tensioning device (5) is arranged between the first side beam (1) and the second side beam (2); the first road surface protection device (6) and the second road surface protection device (7) are arranged on the first side beam (1) and the second side beam (2); The first side beam (1) is fixed to the first beam body (8); the second side beam (2) is fixed to the second beam body (9); the first side beam (1) is fixed to the first beam body (8); the second side beam (2) is fixed to the second beam body (9); the first side beam (1) and the second side beam (2) are special-shaped steel structures; the right end of the first side beam (1) is a downward inclined surface; the left end of the second side beam (2) is a downward inclined surface; the lower part of the first side beam (1) is provided with a first boss (11), and the first boss (11) ) is provided with a plurality of first belt grooves (111) at the lower end; a second boss (21) is provided at the lower part of the second side beam (2), and a plurality of second belt grooves (211) are provided at the lower end of the second boss (21); the number of the first belt grooves (111) and the second belt grooves (211) is determined according to actual needs; a first cross-seam plate groove (12) is provided at the right part of the upper end of the first side beam (1), and a second cross-seam plate groove (22) is provided at the left part of the upper end of the second side beam (2); a plurality of positioning grooves (31) are provided on the lower surface of the upper part of the belt (3); a plurality of positioning grooves (31) are provided on the upper surface of the cross-seam plate (4) The positioning groove (31) corresponds to a plurality of positioning teeth (41); the number of the positioning grooves (31) and the positioning teeth (41) is determined according to actual conditions; the cross-slot plate (4) is made of metal; the left and right parts of the belt (3) are each provided with a plurality of rotation grooves (32); the tensioning device (5) is a wedge block; the left end of the wedge block is an upward inclined surface corresponding to the downward inclined surface of the right end of the first side beam (1); the right end of the wedge block is an upward inclined surface corresponding to the downward inclined surface of the left end of the second side beam (2); the wedge block is located below the cross-slot plate (4); and the belt (3) is cylindrical.

2. According to claim 1, a seamless, non-sense and silent bridge expansion device is characterized by: The lower end of the left portion of the cross-seam plate (4) is provided with a plurality of fixing teeth (42); the first cross-seam plate slot (12) is provided with a plurality of fixing slots (121) corresponding to the fixing teeth (42); the left portion of the cross-seam plate (4) is fixed on the fixing slot (121); the right portion of the cross-seam plate (4) is in contact with the second cross-seam plate slot (22); there is no gap between the left end of the cross-seam plate (4) and the left end of the first cross-seam plate slot (12); a gap is provided between the right end of the cross-seam plate (4) and the right end of the second cross-seam plate slot (22); the number of the fixing teeth (42) and the fixing slot (121) is determined according to actual needs.

3. According to claim 1, a seamless, non-sense and silent bridge expansion device is characterized by: The first road surface protection device (6) and the second road surface protection device (7) are metal blocks.

4. The installation method of the seamless, non-sense and silent bridge expansion device according to claim 1 is characterized in that: The steps include: a. Fixing the protection device: fixing the first road surface protection device (6) on the first beam body (8); fixing the second road surface protection device (7) on the second beam body (9); b. The device comprises: wrapping the first side beam (1) and the second side beam (2) with a belt (3), placing the lower part of the belt (3) in the first belt groove (11) and the second belt groove (21), placing the first side beam (1) on the first beam body (8), and placing the second side beam (2) on the second beam body (9); c. Fixing the first side beam (1): rotating the belt (3) clockwise, and connecting the first side beam (1) and the first beam body (8) with bolts through the rotation groove (32) on the left side of the belt (3); d. Fixing the second side beam (2): rotating the belt (3) counterclockwise, and connecting the second side beam (2) and the second beam body (9) with bolts through the rotation groove (32) on the right side of the belt (3); e. Installing the cross-seam plate (4): inserting the cross-seam plate (4) according to the corresponding relationship between the fixing teeth (42) and the fixing grooves (12), connecting the cross-seam plate (4) to the first side beam (1), and then fixing it by bolts or welding; f. Rotate the belt (3) clockwise to connect the positioning groove (31) with the positioning tooth (41); g. Install the tensioning device (5): If the tensioning device (5) is a wedge-shaped block, insert the wedge-shaped block between the first side beam (1) and the second side beam (2); if the tensioning device (5) is a spring, use the spring to connect the left and right ends of the lower part of the belt (3).

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