Reinforced comb tooth type vibration and noise reduction maintenance-free expansion joint structure

Abstract

The utility model discloses a reinforced comb tooth type vibration and noise reduction maintenance-free expansion joint structure, and relates to the technical field of bridge expansion joint structures, in particular to the reinforced comb tooth type vibration and noise reduction maintenance-free expansion joint structure which comprises a base, a water stop belt and a strip-shaped plate, and a cavity block is installed at the top of the base. According to the reinforced comb tooth type vibration and noise reduction maintenance-free expansion joint structure, through the arrangement of a water stop belt, a strip-shaped plate, a cavity block, a limiting spring, a positioning sliding block, a limiting rod, a pulling plate, a positioning block, a connecting rod, a pressing plate and a clamping block, the reinforced comb tooth type vibration and noise reduction maintenance-free expansion joint structure has the effect that the water stop belt is convenient to disassemble and replace; the clamping block plays a positioning role, the position of the water stop belt is limited through downward pressing of the pressing plate, the position of the positioning block is limited through the limiting rod, installation of the water stop belt is facilitated, on the contrary, rapid disassembly of the water stop belt is facilitated, and the purpose of improving practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge expansion joint structures, in particular to a reinforced comb-tooth type vibration reduction, noise reduction and maintenance-free expansion joint structure. Background Art

[0002] The bridge expansion joint structure is an important component of the bridge. It is a general term for various devices composed of rubber and steel components installed at the bridge expansion joint to ensure that vehicles pass smoothly through the bridge deck and meet the needs of deformation of the bridge superstructure. The performance of the bridge expansion device directly affects the safety of the bridge road.

[0003] The reinforced comb-tooth type vibration-damping, noise-reducing and maintenance-free expansion joint structure in the prior art is not easy to disassemble and replace after the water stop is damaged, and its practicality is poor. In addition, when the vehicle drives to this place and comes into contact with the structure inside the expansion joint, the buffering and shock-absorbing effect of the existing reinforced comb-tooth type vibration-damping, noise-reducing and maintenance-free expansion joint structure is poor, which easily causes loud noise and has poor practicality. A reinforced comb-tooth type vibration-damping, noise-reducing and maintenance-free expansion joint structure is now invented to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a reinforced comb-tooth type vibration-reducing and noise-reducing maintenance-free expansion joint structure, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a reinforced comb-tooth type vibration-damping, noise-reducing, maintenance-free expansion joint structure, including a base, a waterstop, and a strip plate. A cavity block is installed on the top of the base, and a positioning slide groove is opened inside the cavity block with the up and down direction as the depth direction and the front and back direction as the length direction. A limiting spring is installed inside the positioning slide groove, a positioning slider is installed at one end of the limiting spring, a limiting rod is installed at the end of the positioning slider, a pull plate is installed at the end of the limiting rod, a positioning block is installed at the bottom of the strip plate, a connecting rod is installed on one side of the positioning block, a pressure plate is installed at the bottom of the connecting rod, a clamping block is installed at the bottom of the waterstop, a rectangular groove is opened on the top of the strip plate with the up and down direction as the depth direction and the left and right direction as the length direction, a buffer spring and a damper are respectively installed inside the rectangular groove, a rectangular block is installed at one end of the buffer spring, a support plate is installed on the top of the rectangular block, and comb-tooth reinforcement ribs are installed on one side of the strip plate.

[0006] Optionally, the end of the positioning slide block is located inside the positioning slide groove, and the positioning slide block can slide along the length direction of the positioning slide groove.

[0007] Optionally, a positioning groove is formed on the top of the cavity block, with the vertical direction being the depth direction and the left-right direction being the length direction, and the end of the positioning block is inserted into the interior of the positioning groove.

[0008] Optionally, a limiting groove with the front-to-rear direction as the depth direction is opened inside the positioning block, and the end of the limiting rod away from the pulling plate is inserted into the limiting groove.

[0009] Optionally, a card slot is provided on the top of the base with the up-and-down direction as the depth direction and the front-and-back direction as the length direction, and the end of the card block is inserted into the inside of the card slot.

[0010] Optionally, the bottom of the waterstop abuts against the top of the base, and the bottom of the pressure plate abuts against the top of the waterstop.

[0011] Optionally, a threaded hole with a vertical direction as a depth direction is opened inside the base, and a bolt is arranged inside the threaded hole.

[0012] Optionally, the top of the damper is fixedly connected to the bottom of the rectangular block, and the end of the rectangular block is located inside the rectangular groove.

[0013] The utility model provides a reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure, which has the following beneficial effects:

[0014] 1. The reinforced comb-tooth type vibration-damping and noise-reducing maintenance-free expansion joint structure has the effect of facilitating the disassembly and replacement of the waterstop through the arrangement of the waterstop, strip plate, cavity block, limit spring, positioning slider, limit rod, pull plate, positioning block, connecting rod, pressure plate and clamping block. The clamping block plays a positioning role, the position of the waterstop is limited by pressing down on the pressure plate, and the position of the positioning block is limited by the limit rod, which facilitates the installation of the waterstop. Conversely, it facilitates the rapid disassembly of the waterstop, thereby achieving the purpose of improving practicality.

[0015] 2. The reinforced comb-tooth type vibration-damping and noise-reducing maintenance-free expansion joint structure has the effect of improving vibration reduction and noise reduction through the arrangement of buffer springs, dampers, rectangular blocks, support plates, comb-tooth reinforcement ribs and bolts. The buffer springs and dampers are coordinated to improve the buffering and shock-absorbing effect, reduce the rigid collision of the car when it drives here, and reduce the noise caused. The arrangement of the comb-tooth reinforcement ribs improves the strength, thereby achieving the purpose of improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic structural diagram of a three-dimensional cross section of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the side cross-section of the utility model;

[0019] Figure 4It is a structural schematic diagram of the utility model in front view section;

[0020] Figure 5 It is a structural schematic diagram of a partial cross-section of the utility model from the side;

[0021] Figure 6 It is a schematic diagram of the structure of the utility model in top view.

[0022] In the figure: 1. base; 2. water stop; 3. strip plate; 4. cavity block; 5. limit spring; 6. positioning slider; 7. limit rod; 8. pull plate; 9. positioning block; 10. connecting rod; 11. pressure plate; 12. clamping block; 13. buffer spring; 14. damper; 15. rectangular block; 16. support plate; 17. comb tooth reinforcement rib; 18. bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0024] See also Figures 1 to 5 The utility model provides a technical solution: a reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure, including a base 1, a water stop 2, and a strip plate 3. The top of the base 1 is provided with a card slot with the up-down direction as the depth direction and the front-to-back direction as the length direction. The end of the card block 12 is inserted into the inside of the card slot, the bottom of the water stop 2 abuts against the top of the base 1, and the bottom of the pressure plate 11 abuts against the top of the water stop 2. The inside of the base 1 is provided with a threaded hole with the up-down direction as the depth direction, and a bolt 18 is arranged inside the threaded hole. A cavity block 4 is installed on the top of the base 1. The top of the cavity block 4 is provided with a positioning groove with the up-down direction as the depth direction and the left-right direction as the length direction. The end of the positioning block 9 is inserted into the inside of the positioning groove. The cavity block 4 A positioning slide groove with the up-and-down direction as the depth direction and the front-and-back direction as the length direction is opened inside the positioning slide groove, a limiting spring 5 is installed inside the positioning slide groove, a positioning slider 6 is installed at one end of the limiting spring 5, the end of the positioning slider 6 is located inside the positioning slide groove, the positioning slider 6 can slide along the length direction of the positioning slide groove, a limiting rod 7 is installed at the end of the positioning slider 6, a pull plate 8 is installed at the end of the limiting rod 7, a positioning block 9 is installed at the bottom of the strip plate 3, a limiting groove with the up-and-down direction as the depth direction is opened inside the positioning block 9, the end of the limiting rod 7 away from the pull plate 8 is inserted into the inside of the limiting groove, a connecting rod 10 is installed on one side of the positioning block 9, a pressure plate 11 is installed at the bottom of the connecting rod 10, and a clamping block 12 is installed at the bottom of the waterstop 2.

[0025] When in use, the base 1 is installed into the expansion joint of the bridge by means of the bolts 18, and the infiltration of pressurized water from the outside is prevented by means of the waterstop 2. When the waterstop 2 is damaged and replaced, the pull plate 8 is pulled to make the limit rod 7 drive the positioning slider 6 to move, so that the limit spring 5 is forced to contract, and the positioning slider 6 is positioned and slid along the length direction of the positioning slide groove, so that the end of the limit rod 7 leaves the inside of the limit groove, and then the strip plate 3 is moved upward to make the positioning block 9 leave the positioning groove, so that the pressure plate 11 is separated from the waterstop 2, and then the waterstop 2 is moved to make the clamping block 12 leave the clamping groove, so as to facilitate the disassembly of the waterstop 2. During installation, move the waterstop 2 so that the end of the blocking block 12 enters into the interior of the blocking groove. When the bottom of the waterstop 2 abuts against the top of the base 1, move the strip plate 3 so that the end of the positioning block 9 is inserted into the interior of the positioning groove. When the bottom of the pressure plate 11 abuts against the top of the waterstop 2, the limit groove is aligned with the limit rod 7. Release the pull plate 8, and through the elastic tension of the limit spring 5, the end of the limit rod 7 is inserted into the interior of the limit groove, which is convenient for limiting the position of the positioning block 9, facilitating the installation of the waterstop 2, and facilitating the disassembly and replacement of the waterstop 2, thereby improving practicality. Example

[0026] See also Figures 1 to 6 The utility model provides a technical solution: a reinforced comb-tooth type vibration-damping, noise-reducing, maintenance-free expansion joint structure, a rectangular groove with the up-down direction as the depth direction and the left-right direction as the length direction is opened on the top of the strip plate 3, a buffer spring 13 and a damper 14 are respectively installed inside the rectangular groove, the top of the damper 14 is fixedly connected to the bottom of the rectangular block 15, the end of the rectangular block 15 is located inside the rectangular groove, one end of the buffer spring 13 is installed with the rectangular block 15, the top of the rectangular block 15 is installed with a support plate 16, and one side of the strip plate 3 is installed with a comb-tooth reinforcement rib 17.

[0027] When in use, the car drives to the expansion joint of the bridge, and the wheels abut against the support plate 16, so that the support plate 16 is forced to move downward, and the rectangular block 15 moves toward the inside of the rectangular groove, so that the buffer spring 13 is forced to contract. Through the cooperation of the buffer spring 13 and the damper 14, a buffering and shock absorbing effect is played to avoid rigid collision and reduce the noise. Through the arrangement of the comb-tooth reinforcement ribs 17, the support strength is increased and the practicality is improved.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. The reinforced comb-tooth vibration reduction and noise reduction maintenance-free expansion joint structure includes a base, a water stop, and a strip plate, and is characterized by: A cavity block is installed on the top of the base, and a positioning groove with the up and down direction as the depth direction and the front and back direction as the length direction is opened inside the cavity block, a limit spring is installed inside the positioning groove, a positioning slider is installed at one end of the limit spring, a limit rod is installed at the end of the positioning slider, a pull plate is installed at the end of the limit rod, a positioning block is installed at the bottom of the strip plate, a connecting rod is installed on one side of the positioning block, a pressure plate is installed at the bottom of the connecting rod, a clamping block is installed at the bottom of the waterstop, a rectangular groove with the up and down direction as the depth direction and the left and right direction as the length direction is opened on the top of the strip plate, a buffer spring and a damper are respectively installed inside the rectangular groove, a rectangular block is installed at one end of the buffer spring, a support plate is installed on the top of the rectangular block, and a comb tooth reinforcement rib is installed on one side of the strip plate.

2. The reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure according to claim 1 is characterized in that: The end of the positioning slide block is located inside the positioning slide groove, and the positioning slide block can slide along the length direction of the positioning slide groove.

3. The reinforced comb-tooth vibration-reducing and noise-reducing maintenance-free expansion joint structure according to claim 1 is characterized in that: A positioning groove is provided on the top of the cavity block, with the up-and-down direction being the depth direction and the left-and-right direction being the length direction, and the end of the positioning block is inserted into the interior of the positioning groove.

4. The reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure according to claim 1 is characterized in that: A limiting groove with the front-to-back direction as the depth direction is provided inside the positioning block, and one end of the limiting rod away from the pulling plate is inserted into the limiting groove.

5. The reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure according to claim 1 is characterized in that: A card slot is provided on the top of the base, with the up-and-down direction being the depth direction and the front-and-back direction being the length direction, and the end of the card block is inserted into the inside of the card slot.

6. The reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure according to claim 1 is characterized in that: The bottom of the water stop belt abuts against the top of the base, and the bottom of the pressure plate abuts against the top of the water stop belt.

7. The reinforced comb-tooth vibration-reducing and noise-reducing maintenance-free expansion joint structure according to claim 1 is characterized in that: A threaded hole with the up-down direction as the depth direction is opened inside the base, and a bolt is arranged inside the threaded hole.

8. The reinforced comb-tooth type vibration reduction and noise reduction maintenance-free expansion joint structure according to claim 1 is characterized in that: The top of the damper is fixedly connected to the bottom of the rectangular block, and the end of the rectangular block is located inside the rectangular groove.

Images