Reinforced anti-skid double-water-stop modular telescopic device
By designing the detachable bridge expansion device structure and shock-absorbing and anti-slip functions, the problem of transportation difficulties of bridge expansion device in the prior art is solved, and the convenience and service life of the equipment are improved.
Patent Information
- Application Number
- CN202421084190.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The overall structure of the existing bridge telescopic device cannot be disassembled, resulting in difficulties and waste in transportation and replacement.
A reinforced anti-slip double water-stop module telescopic device is designed, adopting a detachable middle beam structure, the splitting and resetting of the middle beam is achieved through the sliding connection between the push rod and the limit block, and is set on the middle beam. Shock absorber and skid plate for improved service life and safety.
It realizes convenient disassembly and transport of bridge telescopic devices, reducing transportation difficulty and maintenance requirements, and at the same time, the safety of the vehicle when passing through and the service life of the equipment is improved through shock absorption and anti-slip functions.
Smart Images

Figure CN222275241U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of modular expansion and contraction devices for bridges, in particular to a reinforced anti-skid double water-stopping modular expansion and contraction device. Background Art
[0002] The bridge expansion device is an important ancillary facility of the bridge. It is used to ensure that the bridge can expand and contract freely under the action of natural temperature. The expansion device is located on the bridge deck and can ensure the smooth and safe passage of vehicles. The bridge expansion device is an engineering structure arranged at the beam end of the bridge to protect the bridge from thermal expansion and contraction.
[0003] The steel sections used in the current modular expansion devices are all flat. The anchoring of expansion joints mainly relies on threaded steel bars and pre-embedded steel bars of bridges. Considering that the device needs to be used for a long time under various environmental conditions, durable materials will be selected to extend the service life of the device and reduce maintenance requirements.
[0004] The existing bridge expansion device is an integral structure and cannot be disassembled, which is troublesome during transportation. When it needs to be replaced, all of it must be replaced, which leads to waste. Therefore, a reinforced anti-skid double water-stop modular expansion device is proposed to solve the above problems. Utility Model Content
[0005] In order to remedy the above deficiencies, the utility model provides a reinforced anti-skid double water-stopping modular telescopic device, which aims to improve the problem in the prior art that the bridge telescopic device cannot be disassembled, resulting in difficulty in transportation.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a reinforced anti-skid double water-stop modular telescopic device, comprising two center beams, shock-absorbing components are arranged on the top of the two center beams, and special-shaped steels are arranged on the left and right sides of the center beams, one side of one of the center beams is slidably connected to a push rod, and the other center beam is fixedly connected to a telescopic rod inside, the push rod is slidably connected to a fixed rod 1 inside, the end of the fixed rod 1 away from the push rod is fixedly connected to a limiting block 1, the telescopic end of the telescopic rod is fixedly connected to a limiting block 2, and one side of the limiting block 1 abuts against one side of the limiting block 2.
[0007] As a further description of the above technical solution: the shock absorbing assembly includes a shock absorbing plate, which is arranged on the top of the central beam, and a plurality of evenly distributed springs are fixedly connected to the bottom end of the shock absorbing plate, and the bottom end of the spring is fixedly connected to the top of the central beam, and an anti-skid plate is arranged on the top of the shock absorbing plate.
[0008] As a further description of the above technical solution: the outer periphery of the fixing rod is fixedly connected to the limiting plate, and the outer periphery of the limiting plate is slidably connected to the inside of the push rod.
[0009] As a further description of the above technical solution: a side of the limit plate away from the limit block 1 is fixedly connected with a spring 2, an end of the spring 2 away from the limit plate is fixedly connected to the inside of the push rod, and the spring 2 is sleeved on the outer periphery of the fixed rod 1.
[0010] As a further description of the above technical solution: a plurality of evenly distributed displacement boxes are fixedly connected to the bottom end of the special-shaped steel, and two adjacent displacement boxes abut against the two sides of the middle beam on opposite sides.
[0011] As a further description of the above technical solution: two waterstops are arranged between the center beam and the special-shaped steel.
[0012] As a further description of the above technical solution: a plurality of evenly distributed anchor plates are fixedly connected to the bottom end of the special-shaped steel, and an anchor rib is fixedly connected to the rear side of one side of the anchor plate.
[0013] As a further description of the above technical solution: one of the special-shaped steels is fixedly connected to a second fixing rod inside, and the other special-shaped steel is slidably connected to the outer periphery of the second fixing rod inside.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the limit block 2 can be driven to move by pushing the push rod, and the limit block 2 can release the fixation between the two middle beams by moving. After the fixation is released, it can be split, and it is convenient to transport it after splitting. After loosening the push rod, the push rod can be driven to reset by the elastic force of the spring 2, and the push rod can drive the limit block 2 to reset by resetting. The two middle beams can be fixed by the mutual cooperation between the limit block 1 and the limit block 2.
[0016] 2. In the utility model, a shock-absorbing plate is arranged on the center beam, which can effectively reduce the vibration caused by the passing of vehicles. When the vehicle passes by, it can be cushioned by the elastic force of the spring 1, thereby reducing the wear on the vehicle and the center beam, thereby increasing its service life. Since the braking efficiency of the vehicle is prone to reduction when facing special conditions such as rain and snow, the risk of vehicle accidents can be effectively reduced by installing an anti-skid plate on the shock-absorbing plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional schematic diagram of a reinforced anti-skid double water-stopping modular telescopic device proposed by the utility model;
[0018] Figure 2 This is a structural schematic diagram of a middle beam of a reinforced anti-skid double water-stopping modular telescopic device proposed by the utility model;
[0019] Figure 3 for Figure 2 The enlarged view of point A in the middle;
[0020] Figure 4 This is a schematic structural diagram of a push rod of a reinforced anti-skid double water-stopping modular telescopic device proposed by the utility model;
[0021] Figure 5 This is a structural schematic diagram of a special-shaped steel of a reinforced anti-skid double water-stopping modular telescopic device proposed by the utility model;
[0022] Figure 6 This is a structural schematic diagram of a shock-absorbing plate of a reinforced anti-skid double-water-stopping modular telescopic device proposed by the utility model;
[0023] Figure 7 for Figure 6 Enlarged view of point B in the middle.
[0024] Legend:
[0025] 1. Middle beam; 2. Special-shaped steel; 3. Waterstop; 4. Push rod; 5. Fixed rod 1; 6. Limit block 1; 7. Limit block 2; 8. Telescopic rod; 9. Shock-absorbing plate; 10. Anti-skid plate; 11. Spring 1; 12. Limit plate; 13. Spring 2; 14. Displacement box; 15. Anchor plate; 16. Anchor rib; 17. Fixed rod 2. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Reference Figure 1 - Figure 3The utility model provides an embodiment: a reinforced anti-skid double water-stopping modular telescopic device, comprising two middle beams 1, with special-shaped steels 2 arranged on both sides of the middle beams 1, a push rod 4 is slidably connected to one side of one middle beam 1, a telescopic rod 8 is fixedly connected inside the other middle beam 1, a fixed rod 1 5 is slidably connected inside the push rod 4, an end of the fixed rod 1 5 away from the push rod 4 is fixedly connected to a limiting block 1 6, the telescopic end of the telescopic rod 8 is fixedly connected to a limiting block 2 7, and one side of the limiting block 1 6 abuts against one side of the limiting block 2 7. The middle beam 1 is used to ensure that the vehicle can pass through the bridge smoothly and safely, the special-shaped steel 2 is used to increase the bearing capacity and deformation capacity of the modular telescopic device, the push rod 4 can drive the limiting block 2 7 to move by moving, and the limiting block 2 7 can release the fixation between the two middle beams 1 by moving, the fixed rod 1 5 is used to fix the limiting block 1 6, the telescopic rod 8 is used to fix the limiting block 2 7, and the limiting block 1 6 is used to fix the two middle beams 1.
[0028] Reference Figure 1 , Figure 6 and Figure 7 The top of the two center beams 1 is provided with a shock absorbing assembly, which includes a shock absorbing plate 9, which is provided on the top of the center beam 1, and a plurality of uniformly distributed springs 11 are fixedly connected to the bottom of the shock absorbing plate 9, and the bottom of the spring 11 is fixedly connected to the top of the center beam 1, and an anti-skid plate 10 is provided on the top of the shock absorbing plate 9. The shock absorbing plate 9 can effectively reduce the vibration of the vehicle when passing by, and the anti-skid plate 10 can effectively reduce the risk of accidents of the vehicle, and the spring 11 is used to buffer the shock absorbing plate 9, thereby reducing the wear on the vehicle and the center beam 1, thereby increasing its service life.
[0029] Reference Figure 1 , Figure 4 and Figure 5The outer periphery of the fixed rod 5 is fixedly connected to a limit plate 12, and the outer periphery of the limit plate 12 is slidably connected to the inside of the push rod 4. The side of the limit plate 12 away from the limit block 6 is fixedly connected to a spring 2 13, and the end of the spring 2 13 away from the limit plate 12 is fixedly connected to the inside of the push rod 4. The spring 2 13 is sleeved on the outer periphery of the fixed rod 5. The bottom end of the special-shaped steel 2 is fixedly connected to a plurality of evenly distributed displacement boxes 14, and two adjacent displacement boxes 14 are abutted on both sides of the middle beam 1 on opposite sides. Two waterstop strips 3 are arranged between the middle beam 1 and the special-shaped steel 2. The bottom end of the special-shaped steel 2 is fixedly connected to a plurality of evenly distributed anchor plates 15, and the rear side of one side of the anchor plate 15 is fixedly connected to an anchor rib 16, one of the special-shaped steels 2 is fixedly connected to a fixed rod 2 17, and the other special-shaped steel 2 is slidably connected to the outer periphery of the fixed rod 2 17. The limit plate 12 prevents the fixing rod 5 from falling off from the inside of the push rod 4. The spring 2 13 can reset the push rod 4 through elastic force. The displacement box 14 is a key component for realizing the telescopic function. The anchor plate 15 is an important component for fixing, supporting or connecting the structure. The anchor rib 16 is an important component for reinforcing and fixing the concrete structure. The water stop 3 is used to prevent water from entering the structure and causing damage. The fixing rod 2 17 is used to reinforce the stability of the special-shaped steel 2.
[0030] Working principle: By pushing the push rod 4 to move, the limit block 2 7 can be driven to move. The limit block 2 7 can release the fixation between the two middle beams 1 by moving. After the fixation is released, it can be split. After splitting, it is convenient to transport it. After loosening the push rod 4, the push rod 4 can be reset by the elastic force of the spring 2 13. The push rod 4 can drive the limit block 2 7 to reset by resetting. The two middle beams 1 can be fixed by the mutual cooperation between the limit block 1 6 and the limit block 2 7, so as to be quickly installed. By installing the shock absorbing plate 9 on the middle beam 1, the vehicle passing by can be effectively reduced. The vibration that occurs when a vehicle passes by can be cushioned by the elastic force of the spring 11, thereby reducing the wear on the vehicle and the middle beam 1, thereby increasing its service life. Since the braking efficiency of the vehicle is prone to reduced when facing special conditions such as rain and snow, the risk of vehicle accidents can be effectively reduced by installing an anti-skid plate 10 on the shock absorbing plate 9. When the vehicle passes over the middle beam 1, the mutual cooperation between the special-shaped steel 2 and the displacement box 14 can enable the vehicle to pass smoothly on its upper part. By installing a waterstop 3 between the middle beam 1 and the special-shaped steel 2, water can be effectively prevented from entering the structure and causing damage.
[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A reinforced anti-skid double water-stopping modular telescopic device, comprising two middle beams (1), characterized in that: Shock absorbing components are arranged on the tops of the two center beams (1), and special-shaped steels (2) are arranged on the left and right sides of the center beams (1). A push rod (4) is slidably connected to one side of one of the center beams (1), and a telescopic rod (8) is fixedly connected inside the other center beam (1). A fixed rod (5) is slidably connected inside the push rod (4), and one end of the fixed rod (5) away from the push rod (4) is fixedly connected to a limiting block (6). The telescopic end of the telescopic rod (8) is fixedly connected to a limiting block (7), and one side of the limiting block (6) abuts against one side of the limiting block (7).
2. The reinforced anti-skid double water-stopping modular telescopic device according to claim 1, characterized in that: The shock absorbing assembly comprises a shock absorbing plate (9), wherein the shock absorbing plate (9) is arranged on the top of the middle beam (1), wherein the bottom end of the shock absorbing plate (9) is fixedly connected to a plurality of evenly distributed springs (11), wherein the bottom end of the springs (11) is fixedly connected to the top of the middle beam (1), and an anti-slip plate (10) is arranged on the top of the shock absorbing plate (9).
3. The reinforced anti-skid double water-stopping modular telescopic device according to claim 1, characterized in that: The outer periphery of the fixing rod 1 (5) is fixedly connected to a limiting plate (12), and the outer periphery of the limiting plate (12) is slidably connected to the interior of the push rod (4).
4. The reinforced anti-skid double water-stopping modular telescopic device according to claim 3, characterized in that: A spring 2 (13) is fixedly connected to the side of the limit plate (12) away from the limit block 1 (6), and one end of the spring 2 (13) away from the limit plate (12) is fixedly connected to the inside of the push rod (4), and the spring 2 (13) is sleeved on the outer periphery of the fixed rod 1 (5).
5. The reinforced anti-skid double water-stopping modular telescopic device according to claim 1, characterized in that: A plurality of evenly distributed displacement boxes (14) are fixedly connected to the bottom end of the special-shaped steel (2), and two adjacent displacement boxes (14) abut against two sides of the middle beam (1) facing each other.
6. The reinforced anti-skid double water-stopping modular telescopic device according to claim 1, characterized in that: Two water stop strips (3) are arranged between the center beam (1) and the special-shaped steel (2).
7. The reinforced anti-skid double water-stopping modular telescopic device according to claim 1, characterized in that: A plurality of evenly distributed anchor plates (15) are fixedly connected to the bottom end of the special-shaped steel (2), and an anchor rib (16) is fixedly connected to the rear side of one side of the anchor plate (15).
8. The reinforced anti-skid double water-stopping modular telescopic device according to claim 1, characterized in that: One of the special-shaped steels (2) is fixedly connected to a second fixing rod (17) inside, and the other special-shaped steel (2) is slidably connected to the outer periphery of the second fixing rod (17) inside.