An integrated comb-tooth telescopic device

Abstract

The utility model relates to the technical field of comb-tooth telescopic devices, and discloses an integrated installed comb-tooth telescopic device, including a concrete layer, two concrete layers are provided with mounting grooves on the tops of opposite sides, two mounting grooves are provided with rubber pads, a comb plate is provided on the tops of the rubber pads, two comb plates are penetrated and threaded with uniformly distributed bolt housings, a support shell is fixedly connected in the bolt housing, both sides of the bolt housing are penetrated and provided with uniformly distributed telescopic through holes, both sides of the support shell are penetrated and provided with telescopic grooves, and a threaded barrel is penetrated and fixedly connected on the top of the support shell. In the utility model, the support shell, the push rod, the movable rod, the sliding column, the through groove, the telescopic block, the limiting column, the threaded barrel and the threaded column work in coordination with each other, and the block extending from the bolt housing can increase the stability of the bolt after tightening.

Description

Technical Field

[0001] The utility model relates to the technical field of comb-tooth type telescopic devices, in particular to an integrated installed comb-tooth type telescopic device. Background Art

[0002] In order to meet the needs of bridge beam deformation, bridge expansion devices are generally installed between the two beam ends of the bridge, between the beam ends and the abutments, or at the hinged positions of the bridge. However, with the development of road transportation, road traffic volume and automobile load are increasing, and the various performance requirements for highway bridge expansion are constantly increasing.

[0003] In the prior art, the comb plate is mostly fixed and installed by bolts, but the bolts may become loose over time, and the stability is not strong.

[0004] In view of the above problems, an integrated comb-tooth telescopic device is proposed. Utility Model Content

[0005] The utility model aims to provide an integrated comb-tooth telescopic device, which solves the problem of bolt loosening over time and the problem of poor stability in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated comb-tooth telescopic device, comprising a concrete layer, two concrete layers having installation grooves on the tops of opposite sides, rubber pads arranged in the two installation grooves, a comb-tooth plate arranged on the tops of the rubber pads, the two comb-tooth plates having bolt housings threadedly connected thereto with uniform distribution, a support shell fixedly connected thereto, both sides of the bolt shells being threadedly connected thereto with uniform distribution of telescopic through holes, both sides of the support shell being threadedly connected thereto with telescopic grooves, a threaded barrel being threadedly connected thereto with a threaded column in the threaded barrel, a push rod being rotatably connected thereto with the bottom of the threaded column, two movable rods being rotatably connected thereto with two movable rods on both sides of the push rod, an extension assembly being arranged at the other end of the movable rod, a sliding column being fixedly connected to the end of the movable rod, a block being connected to the outside of the extension assembly, a rubber strip being arranged between the two concrete layers, a water trough being arranged between the two concrete layers, and the water trough being arranged below the rubber strip.

[0007] By adopting the above technical solution, the bolt housing is longer as a whole and is directly anchored into the concrete, thereby solving the problem of bolt loosening. The comb plate is fixed by passing the bolt housing through the comb plate and the rubber pad and screwing it into the concrete layer. The block extending from the bolt housing can increase the stability of the bolt after tightening, thereby preventing the bolt housing from loosening due to long-term movement of the comb plate.

[0008] As a further description of the above technical solution: the extension component includes a telescopic block, and the two telescopic blocks are both arranged on the outside of the movable rod. A through groove is penetrated and opened in the telescopic block, and slide holes are opened on both sides of the through groove. The outside of the telescopic block is fixedly connected to the card block.

[0009] By adopting the above technical solution, the clamping block can be driven to extend from the telescopic through hole in the bolt housing through the extension component.

[0010] As a further description of the above technical solution: the push rod is arranged in the telescopic groove, and the bottom of the push rod passes through the supporting shell.

[0011] By adopting the above technical solution, the push rod can slide conveniently in the supporting shell.

[0012] As a further description of the above technical solution: a limiting column passes through and is rotatably connected to the movable rod, and both ends of the limiting column are fixedly connected to the telescopic slot.

[0013] By adopting the above technical solution, the movable rod can be easily rotated through the limiting column.

[0014] As a further description of the above technical solution: the card block is arranged in the telescopic through hole, and the outside of the card block is slidably connected to the inner wall of the telescopic through hole.

[0015] By adopting the above technical solution, it is convenient for the card block to extend out from the telescopic through hole.

[0016] As a further description of the above technical solution: a drill bit is fixedly connected to the bottom of the bolt housing.

[0017] By adopting the above technical solution, the bolt housing can be conveniently screwed into the concrete layer through the drill bit.

[0018] As a further description of the above technical solution: the telescopic block is arranged in the telescopic slot, and the outside of the telescopic block is slidably connected to the inside of the telescopic slot.

[0019] By adopting the above technical solution, the telescopic block can be easily telescopically slid in the telescopic groove.

[0020] As a further description of the above technical solution: the inner wall of the slide slot hole is slidably connected to the outside of the slide column.

[0021] By adopting the above technical solution, the sliding column can slide in the sliding groove hole.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0023] The utility model provides an integrated installed comb-tooth type telescopic device, which cooperates with each other through a supporting shell, a push rod, a movable rod, a sliding column, a through groove, a telescopic block, a limiting column, a threaded barrel and a threaded column to fix the comb-tooth plate by passing a bolt housing through a comb-tooth plate and a rubber pad and screwing it into a concrete layer, and the stability of the bolt after tightening can be increased by a clamping block extending out of the bolt housing, and the bolt housing can be prevented from loosening due to long-term movement of the comb-tooth plate, and the bolt housing is relatively long and can be directly anchored into concrete, thereby solving the problem of bolt loosening. The comb-tooth plate is installed in sections of 3 meters, which is not only faster to install, but also increases the resistance of the 1-meter section to the vibration caused by the running of the car. Water can be collected and drained through the water trough, and a groove is provided in the concrete layer to facilitate the expansion and contraction of the water trough in the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the overall structure of the bolt housing of the utility model;

[0026] Figure 3 It is a schematic diagram of the internal structure of the support shell of the utility model.

[0027] In the figure: 1. Concrete layer; 2. Mounting groove; 3. Rubber pad; 4. Comb plate; 5. Bolt housing; 6. Telescopic through hole; 7. Support shell; 8. Threaded cylinder; 9. Threaded column; 10. Telescopic slot; 11. Limit column; 12. Telescopic block; 13. Slide hole; 14. Block; 15. Movable rod; 16. Slide column; 17. Through slot; 18. Rubber strip; 19. Sink; 20. Drill bit; 21. Push rod. DETAILED DESCRIPTION

[0028] The following will refer to 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 of 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.

[0029] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0030] Reference Figure 1 , Figure 2 and Figure 3The utility model is an integrated comb-tooth telescopic device, including a concrete layer 1, a groove is opened on one side of the left concrete layer 1, which is convenient for the water tank 19 to be telescopic, and adopts a 3-meter section, which is not only faster to install, but also increases its 1-meter section's resistance to vibration caused by car driving. The tops of the two opposite sides of the two concrete layers 1 are each provided with an installation groove 2, and the two installation grooves 2 are each provided with a rubber pad 3 to achieve a shock-absorbing effect. A comb-tooth plate 4 is provided on the top of the rubber pad 3, and the two comb-tooth plates 4 are both penetrated and threaded with uniformly distributed bolt housings 5, and the bolt housings 5 ​​are provided with threads on the outside. The bolt housings 5 ​​are relatively long and are directly anchored into the concrete, so as to prevent the bolts from loosening and facilitate screwing into the concrete layer 1. The bolt housings 5 ​​are fixedly connected with a support shell 7, and the bolts are externally screwed into the concrete layer 1. Evenly distributed telescopic through holes 6 are penetrated and opened on both sides of the shell 5, and telescopic grooves 10 are penetrated and opened on both sides of the support shell 7 to facilitate telescoping. A threaded cylinder 8 is penetrated and fixedly connected to the top of the support shell 7, and a threaded column 9 is threadedly connected to the threaded cylinder 8. The bottom of the threaded column 9 is rotatably connected to a push rod 21 to facilitate the movement of the movable rod 15. Two movable rods 15 are rotatably connected on both sides of the push rod 21. An extension component is provided at the other end of the movable rod 15. A sliding column 16 is fixedly connected to the end of the movable rod 15, and a block 14 is connected to the outside of the extension component. A rubber strip 18 is provided between the two concrete layers 1. The rubber strip 18 can slide in the grooves in the two concrete layers 1 to achieve a filtering effect. A water trough 19 is provided between the two concrete layers 1, and the water trough 19 is provided below the rubber strip 18.

[0031] Reference Figure 3 The extension component includes a telescopic block 12, and the two telescopic blocks 12 are both arranged on the outside of the movable rod 15. A through groove 17 is penetrated and opened in the telescopic block 12, and slide slot holes 13 are opened on both sides of the through groove 17. The outside of the telescopic block 12 is fixedly connected with the clamping block 14. The telescopic block 12 is arranged in the telescopic groove 10, and the outside of the telescopic block 12 is slidably connected with the inside of the telescopic groove 10. The inner wall of the slide slot hole 13 is slidably connected with the outside of the sliding column 16. The clamping block 14 can be driven to extend from the telescopic through hole 6 in the bolt housing 5 through the extension component.

[0032] Reference Figure 2 and Figure 3 The push rod 21 is arranged in the telescopic groove 10, and the bottom of the push rod 21 passes through the support shell 7, which is convenient for the push rod 21 to slide in the support shell 7. The movable rod 15 passes through and is rotatably connected to the limit column 11. Both ends of the limit column 11 are fixedly connected to the telescopic groove 10. The limit column 11 facilitates the rotation of the movable rod 15. The block 14 is arranged in the telescopic through hole 6, and the outside of the block 14 is slidably connected to the inner wall of the telescopic through hole 6. The bottom of the bolt housing 5 is fixedly connected to a drill bit 20.

[0033] Working principle: when in use, put the two comb plates 4 into the installation groove 2, pass the comb plates 4 through the bolt housing 5 and screw them into the concrete layer 1, then screw the threaded column 9 on the top of the bolt housing 5, drive the push rod 21 to descend through the threaded column 9, make the push rod 21 slide in the telescopic groove 10, thereby drive the movable rod 15 on both sides to move, make the other end of the movable rod 15 slide in the slide groove hole 13 through the sliding column 16, drive the telescopic block 12 to extend from the telescopic groove 10 on both sides of the support housing 7, and drive the card block 14 to extend from the telescopic through hole 6, increase the stability of the bolt after tightening, and prevent the bolt housing from loosening due to the long-term movement of the comb plate 4, and filter the fallen leaves and gravel by driving the rubber strip 18 with holes, and collect and drain water through the water tank 19, and a groove (not marked in the figure) is provided in the concrete layer 1 to facilitate the water tank 19 to extend and retract in the groove.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated comb-tooth telescopic device, comprising a concrete layer (1), characterized in that: The tops of the two opposite sides of the two concrete layers (1) are provided with mounting grooves (2), the two mounting grooves (2) are provided with rubber pads (3), the tops of the rubber pads (3) are provided with comb plates (4), the two comb plates (4) are penetrated by and threadedly connected with uniformly distributed bolt housings (5), the bolt housings (5) are fixedly connected with a support shell (7), the two sides of the bolt housings (5) are penetrated by and provided with uniformly distributed telescopic through holes (6), the two sides of the support shell (7) are penetrated by and provided with telescopic grooves (10), the top of the support shell (7) is penetrated by and fixedly connected with a threaded The threaded cylinder (8) is internally threadedly connected to a threaded column (9), the bottom of the threaded column (9) is rotatably connected to a push rod (21), both sides of the push rod (21) are rotatably connected to two movable rods (15), the other end of the movable rod (15) is provided with an extension component, the end of the movable rod (15) is fixedly connected to a sliding column (16), the outer side of the extension component is connected to a clamping block (14), a rubber strip (18) is provided between the two concrete layers (1), a water trough (19) is provided between the two concrete layers (1), and the water trough (19) is provided below the rubber strip (18).

2. The one-piece comb-tooth telescopic device according to claim 1, characterized in that: The extension assembly comprises a telescopic block (12), wherein the two telescopic blocks (12) are both arranged on the outside of a movable rod (15), a through slot (17) is penetrated and opened in the telescopic block (12), and both sides of the through slot (17) are opened with a slide slot hole (13), and the outside of the telescopic block (12) is fixedly connected to a clamping block (14).

3. The one-piece comb-tooth telescopic device according to claim 1, characterized in that: The push rod (21) is arranged in the telescopic slot (10), and the bottom of the push rod (21) passes through the supporting shell (7).

4. The one-piece comb-tooth telescopic device according to claim 1, characterized in that: A limiting column (11) passes through the movable rod (15) and is rotatably connected thereto. Both ends of the limiting column (11) are fixedly connected to the telescopic slot (10).

5. The one-piece comb-tooth telescopic device according to claim 1, characterized in that: The clamping block (14) is arranged in the telescopic through hole (6), and the outside of the clamping block (14) is slidably connected to the inner wall of the telescopic through hole (6).

6. The one-piece comb-tooth telescopic device according to claim 1, characterized in that: A drill bit (20) is fixedly connected to the bottom of the bolt housing (5).

7. The one-piece comb-tooth telescopic device according to claim 2, characterized in that: The telescopic block (12) is arranged in the telescopic slot (10), and the outside of the telescopic block (12) is slidably connected to the inside of the telescopic slot (10).

8. The one-piece comb-tooth telescopic device according to claim 2, characterized in that: The inner wall of the sliding slot hole (13) is slidably connected to the outside of the sliding column (16).

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