Bolt-free comb plate expansion device

Abstract

The utility model discloses a bolt-free comb plate expansion device which comprises a first anchoring part and a second anchoring part, the side surface of the first anchoring part is fixedly connected with a left anchoring rib, the side surface of the second anchoring part is fixedly connected with a right anchoring rib, the upper surface of the first anchoring part is fixedly connected with a left comb tooth assembly, and the upper surface of the second anchoring part is fixedly connected with a right comb tooth assembly. A left comb tooth assembly is fixedly connected to the upper surface of the first anchoring part, a right comb tooth assembly is fixedly connected to the upper surface of the second anchoring part, a comb tooth plate seam is fixedly connected between the left comb tooth assembly and the right comb tooth assembly, and a dustproof assembly is fixedly connected between the first anchoring part and the second anchoring part. According to the device, the tooth ends of the comb plates are prevented from being warped, the flatness of comb plate seams is guaranteed, by means of the elasticity of the telescopic springs, it is guaranteed that the dustproof plates are attached to the comb plate seams, after the limiting plates are removed, the comb plates on the two sides are rotated, the comb plates are convenient to open, the comb plate seams are convenient to clean, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge expansion devices, in particular to a bolt-free comb plate expansion device. Background Art

[0002] Bridge expansion devices are typically installed between beam ends, between beam ends and abutments, or at hinged joints to accommodate bridge deck deformation. They must be reliably robust and capable of freely expanding and contracting in both directions parallel and perpendicular to the bridge axis, ensuring smooth, no jerking or noise-causing vehicle movement.

[0003] Most of the existing comb plates are fixed with bolts, which are easy to loosen, fall off or be damaged, causing the tooth ends of the comb plates to easily warp, resulting in uneven comb plate seams, affecting safety. At the same time, the comb plate seams are not easy to clean, causing the comb plate seams to be blocked, affecting the telescopic performance of the telescopic device, greatly reducing practicality. For example, a Chinese patent discloses a "boltless comb plate telescopic device", and its application number is "CN201821740068.3", which includes: a movable comb plate and a fixed comb plate, the movable comb plate is connected to the first bridge body through a first anchoring mechanism, and the fixed comb plate is connected to the second bridge body through a second anchoring mechanism, an expansion joint is provided between the first bridge body and the second bridge body, a water stop mechanism is provided in the vertical direction in the expansion joint, and a water stop strip is provided in the side seam between the fixed comb plate and the second bridge body. Although the device can meet the requirements of bridge deck deformation and can be freely extended and retracted, the comb plate seams are not easy to clean, causing the comb plate seams to be blocked, affecting the telescopic performance of the telescopic device, and its applicability is relatively limited. Utility Model Content

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a boltless comb plate telescopic device. The device fixes the comb plate by connecting the anchor bars and the bridge on both sides without the use of bolts, and uses a limiting plate to limit and engage the comb plate to avoid the warping of the teeth ends of the comb plate, thereby ensuring the flatness of the comb plate seam. By utilizing the elasticity of the telescopic spring, the fit between the dustproof plate and the comb plate seam is ensured, thereby increasing the protective effect. After removing the limiting plate, the comb plates on both sides are rotated to facilitate the opening of the left and right comb plates, thereby facilitating the cleaning of the comb plate seam and improving convenience.

[0005] The present invention also provides the above-mentioned boltless comb plate telescopic device, including: a first anchor and a second anchor, the side surface of the first anchor is fixedly connected with a left anchor rib, the side surface of the second anchor is fixedly connected with a right anchor rib, the upper surface of the first anchor is fixedly connected with a left comb tooth assembly, the upper surface of the second anchor is fixedly connected with a right comb tooth assembly, a comb tooth plate seam is fixedly connected between the left comb tooth assembly and the right comb tooth assembly, and a dustproof assembly is fixedly connected between the first anchor and the second anchor; the above-mentioned parts cooperate with each other to facilitate connection.

[0006] The dustproof assembly includes a connecting base, a water stop fixedly connected to the side surface of the connecting base, a dustproof plate fixedly connected to the lower surface of the water stop, a telescopic rod fixedly connected to the upper surface of the dustproof plate, and a telescopic spring sleeved on the outer surface of the telescopic rod. The interaction between these components and the elasticity of the telescopic spring ensure that the dustproof plate fits snugly between the comb plate gaps, enhancing the protective effect. After removing the limit plate, the comb plates on both sides can be rotated to open the left and right comb plates, making it easier to clean the comb plate gaps and improving convenience.

[0007] According to the boltless comb plate extension and retraction device described in the utility model, the upper surfaces of the left and right comb tooth assemblies are fixedly connected to a limit assembly, and the limit assembly includes a limit plate, the side surface of which is fixedly connected to a connecting pin, one end of which extends to the outside of the limit plate and is fixedly connected to a handle. Through the mutual cooperation between the above parts, the comb plate is fixed by connecting the anchor bars and the bridge on both sides without the need for bolts. The limit plate is used to limit and engage the comb plate, preventing the tooth ends of the comb plate from warping and ensuring the flatness of the comb plate seam.

[0008] According to the boltless comb plate telescopic device of the present invention, the limit plate is designed in a U-shaped structure, and the connecting pin is threadedly connected to the limit plate. Through the mutual cooperation between the above parts, the fixed limit of the left comb tooth assembly and the right comb tooth assembly is achieved.

[0009] The boltless comb plate retractable device of the present invention comprises a left comb plate assembly comprising a first mounting plate, the upper surface of which is fixedly connected to the left comb plate, and a sawtooth-shaped right side of the left comb plate. The interaction between these components facilitates easy cleaning of the left comb plate.

[0010] According to the boltless comb plate telescopic device of the present invention, the left end of the first mounting plate is rotatably connected to the left comb plate, and the first mounting plate is fixedly connected to the first anchor. The mutual cooperation between the above parts facilitates fixation.

[0011] According to the boltless comb plate extension device of the present invention, the right comb plate assembly includes a second mounting plate, the upper surface of which is fixedly connected to the right comb plate, and the left side of the right comb plate has a serrated structure. The interaction between these parts facilitates the cleaning of the right comb plate.

[0012] According to the boltless comb plate extension device of the present invention, the left comb plate and the right comb plate are adapted to each other, the left side of the second mounting plate is rotatably connected to the right comb plate, and the second mounting plate is fixedly connected to the second anchor. The mutual cooperation between these parts facilitates installation and disassembly.

[0013] According to the boltless comb plate telescopic device of the present invention, the water stop is designed in a trapezoidal structure, the dust plate and the comb plate seam are mutually adapted, and the telescopic springs are distributed at equal intervals. The mutual cooperation between the above parts improves the stability of the water stop.

[0014] Beneficial effects

[0015] Compared with the prior art, the utility model fixes the comb plate by utilizing the connection between the anchoring bars and the bridge on both sides, without the use of bolts, and utilizes the limiting plate to limit and engage the comb plate, thereby avoiding the warping of the teeth ends of the comb plate and ensuring the flatness of the comb plate seam. By utilizing the elasticity of the telescopic spring, the fit between the dustproof plate and the comb plate seam is ensured, thereby increasing the protection effect. After removing the limiting plate, the comb plates on both sides are rotated to facilitate the opening of the left and right comb plates, thereby facilitating the cleaning of the comb plate seam and improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is the overall structural diagram of the boltless comb plate telescopic device of the utility model;

[0018] Figure 2 This is a side sectional view of the boltless comb plate telescopic device of the utility model;

[0019] Figure 3 The utility model is a bolt-free comb plate telescopic device Figure 1 Enlarged view of point A in the middle;

[0020] Figure 4 This is a top view of the boltless comb plate telescopic device of the utility model;

[0021] Legend:

[0022] 1. First anchor; 2. Second anchor; 3. Right anchor rib; 4. Left anchor rib; 5. Left comb assembly; 6. First mounting plate; 7. Left comb plate; 8. Right comb assembly; 9. Second mounting plate; 10. Right comb plate; 11. Comb plate seam; 12. Dustproof assembly; 13. Connecting seat; 14. Water stop; 15. Dustproof plate; 16. Telescopic rod; 17. Telescopic spring; 18. Limiting plate; 19. Connecting pin; 20. Handle. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] Reference Figure 1-4 , the embodiment of the utility model comprises a boltless comb plate telescopic device, which includes: a first anchor 1 and a second anchor 2, the side surface of the first anchor 1 is fixedly connected with a left anchor rib 4, the side mark of the second anchor 2 is fixedly connected with a right anchor rib 3, the upper surface of the first anchor 1 is fixedly connected with a left comb assembly 5, the left comb assembly 5 includes: a first mounting plate 6, the left end of the first mounting plate 6 is rotatably connected to the left comb plate 7, the first mounting plate 6 is fixedly connected to the first anchor 1 for easy fixation, the upper surface of the first mounting plate 6 is fixedly connected with the left comb plate 7, the left comb plate 7 and the right comb plate 10 are adapted to each other, the left side of the second mounting plate 9 is rotatably connected to the right comb plate 10, the second mounting plate 9 is fixedly connected to the second anchor 2 for easy installation and disassembly, the right side of the left comb plate 7 is designed with a serrated structure, which is convenient for cleaning the left comb plate 7, the upper surface of the left comb assembly 5 and the right comb assembly 8 is fixedly connected to a limiting assembly, and the limiting assembly includes: a limiting plate 18, a limiting plate 18 It is a U-shaped structure design, and the connecting pin 19 is threadedly connected to the limiting plate 18 to achieve the fixed limit of the left comb tooth assembly 5 and the right comb tooth assembly 8. The side surface of the limiting plate 18 is fixedly connected with the connecting pin 19, and one end of the connecting pin 19 extends to the outside of the limiting plate 18 and is fixedly connected with a handle 20. The comb plate is fixed by connecting the anchor bars and the bridge on both sides without using bolts, and the limiting plate 18 is used to limit the comb plate to avoid the tooth end of the comb plate from warping, ensuring The flatness of the comb plate seam 11, the upper surface of the second anchor 2 is fixedly connected with the right comb tooth assembly 8, the right comb tooth assembly 8 includes: a second mounting plate 9, the upper surface of the second mounting plate 9 is fixedly connected with the right comb tooth plate 10, the left side of the right comb tooth plate 10 is designed with a serrated structure, which is convenient for cleaning the right comb tooth plate 10, the comb plate seam 11 is fixedly connected between the left comb tooth assembly 5 and the right comb tooth assembly 8, and the dustproof assembly 12 is fixedly connected between the first anchor 1 and the second anchor 2 for easy connection.

[0025] The dustproof component 12 includes: a connecting seat 13, the side surface of the connecting seat 13 is fixedly connected with a water stop 14, the water stop 14 is designed in a trapezoidal structure, the dustproof plate 15 is adapted to the comb plate seam 11, and the telescopic springs 17 are distributed at equal intervals, which improves the stability of the waterstop 14, and the lower surface of the waterstop 14 is fixedly connected with the dustproof plate 15, and the upper surface of the dustproof plate 15 is fixedly connected with a telescopic rod 16, and the outer surface of the telescopic rod 16 is sleeved with a telescopic spring 17. By utilizing the elasticity of the telescopic spring 17, the fit between the dustproof plate 15 and the comb plate seam 11 is ensured, thereby increasing the protection effect. After removing the limit plate 18, the comb plates on both sides are rotated to facilitate the opening of the left and right comb plates, thereby facilitating the cleaning of the comb plate seam 11 and improving convenience.

[0026] Working principle: When using this device, first, during the construction of the bridge, fix the first anchor 1 and the left bridge, and embed the left anchor bar 4 in the bridge, thereby fixing the left comb assembly 5. At the same time, fix the second anchor 2 and the right bridge, and embed the right anchor bar 3 in the bridge, thereby fixing the right comb assembly 8. Then, engage the limiting plate 18 on the comb plate, and rotate the handle 20 to engage the connecting pin 19 with the lower ends of the left comb plate 7 and the right comb plate 10. The limiting plate 18 limits and fixes the left comb plate 7 and the right comb plate 10, thereby avoiding the warping of the tooth ends of the comb plates, ensuring the flatness of the comb plate seams 11, and greatly improving safety. The rod 16 and the telescopic spring 17 limit the dustproof plate 15, and the telescopic spring 17 can buffer external vibrations and impact forces, so that the dustproof plate 15 can better fit the comb plate seam 11, ensuring the dustproof and waterproof effect of the dustproof component 12, which is convenient for cleaning. When cleaning, rotate the handle 20 in the opposite direction to disengage the connecting pin 19 from the comb plate, thereby removing the limiting plate 18, and then rotate the left comb plate 7 and the right comb plate 10 to make the left comb plate 7 and the right comb plate 10 upright, which is convenient for cleaning the comb plate seam 11 and greatly improves convenience. After cleaning, re-cover the left comb plate 7 and the right comb plate 10, and install the limiting plate 18. It is simple and convenient to operate and has good stability.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Boltless comb plate telescopic device, characterized in that: include: A first anchor (1) and a second anchor (2), the side surface of the first anchor (1) is fixedly connected to a left anchor rib (4), the side surface of the second anchor (2) is fixedly connected to a right anchor rib (3), the upper surface of the first anchor (1) is fixedly connected to a left comb tooth assembly (5), the upper surface of the second anchor (2) is fixedly connected to a right comb tooth assembly (8), a comb tooth plate seam (11) is fixedly connected between the left comb tooth assembly (5) and the right comb tooth assembly (8), and a dustproof assembly (12) is fixedly connected between the first anchor (1) and the second anchor (2); The dustproof assembly (12) comprises: a connecting seat (13); a water stop (14) is fixedly connected to the side surface of the connecting seat (13); a dustproof plate (15) is fixedly connected to the lower surface of the water stop (14); a telescopic rod (16) is fixedly connected to the upper surface of the dustproof plate (15); and a telescopic spring (17) is sleeved on the outer surface of the telescopic rod (16).

2. The boltless comb plate telescopic device according to claim 1, characterized in that: The upper surfaces of the left comb tooth assembly (5) and the right comb tooth assembly (8) are fixedly connected to a limiting assembly, and the limiting assembly comprises a limiting plate (18), a connecting pin (19) is fixedly connected to the side surface of the limiting plate (18), and one end of the connecting pin (19) extends to the outside of the limiting plate (18) and is fixedly connected to a handle (20).

3. The boltless comb plate telescopic device according to claim 2, characterized in that: The limiting plate (18) is designed as a U-shaped structure, and the connecting pin (19) is threadedly connected to the limiting plate (18).

4. The boltless comb plate telescopic device according to claim 1, characterized in that: The left comb tooth assembly (5) comprises a first mounting plate (6), the upper surface of the first mounting plate (6) being fixedly connected to a left comb tooth plate (7), and the right side of the left comb tooth plate (7) being designed in a sawtooth structure.

5. The boltless comb plate telescopic device according to claim 4, characterized in that: The left end of the first mounting plate (6) is rotatably connected to the left comb plate (7), and the first mounting plate (6) is fixedly connected to the first anchor (1).

6. The boltless comb plate telescopic device according to claim 1, characterized in that: The right comb tooth assembly (8) comprises a second mounting plate (9), the upper surface of the second mounting plate (9) being fixedly connected to a right comb tooth plate (10), and the left side of the right comb tooth plate (10) being designed in a sawtooth structure.

7. The boltless comb plate telescopic device according to claim 6, characterized in that: The left comb plate (7) and the right comb plate (10) are adapted to each other, the left side of the second mounting plate (9) is rotatably connected to the right comb plate (10), and the second mounting plate (9) is fixedly connected to the second anchor (2).

8. The boltless comb plate telescopic device according to claim 1, characterized in that: The water stop member (14) is designed in a trapezoidal structure, the dustproof plate (15) and the comb plate seam (11) are adapted to each other, and the telescopic springs (17) are distributed at equal intervals.

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