CN214831881U

CN214831881U - Sleeve bolt anchor rod assembly for bridge expansion joint

Info

Publication number: CN214831881U
Application number: CN202120528182.5U
Authority: CN
Inventors: 高威
Original assignee: Changshu Shuangli Metal Products Co ltd
Current assignee: Changshu Shuangli Metal Products Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-23
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a bridge expansion joint is with sleeve bolt stock subassembly relates to sleeve bolt stock equipment technical field, including stock, sleeve bolt, screw thread, nut, fixed plate, first cavity, slider, limiting plate, push pedal, ball, trapezoidal piece, reset spring, elasticity pretension gasket, first through-hole, second through-hole, installation piece, second cavity, slide and compression spring. The utility model discloses a set up trapezoidal piece, limiting plate and fixed plate, the limiting plate dispersion of crisscross setting is in the different aspect of concrete, the fixed plate has increased the area of contact of device with the concrete with the limiting plate, make the concrete receive the pulling force of device even, make the holistic bearing capacity of device rise, the working effect of device has been guaranteed, through setting up compression spring and slide, compression spring makes the device have certain shock attenuation cushioning effect with the slide, avoid vibrations to cause the harm to the holistic structure of device, the security of device has been guaranteed.

Description

Sleeve bolt anchor rod assembly for bridge expansion joint

Technical Field

The utility model relates to a sleeve bolt stock equipment technical field specifically is a sleeve bolt stock subassembly for bridge expansion joint.

Background

Bridge expansion joints are structures used to accommodate displacements and couplings between superstructures caused by vehicle loads and bridge building materials. The expansion joint is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, and is firm and reliable. Both sides of the bridge expansion joint need to be connected with the expansion joint of the bridge through the anchoring device, and the sleeve bolt anchor rod belongs to one of the anchoring devices and is used for ensuring the stable connection relation between the expansion joint and the bridge.

The existing sleeve bolt anchor rod assembly is arranged behind a bridge expansion joint, when stress is applied, pressure cannot be equally distributed outside the device, the whole bearing capacity of the device is poor, the fixing effect of the anchor rod on the bridge expansion joint is influenced, and the working effect of the device is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve bolt stock subassembly for bridge expansion joint to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a sleeve bolt anchor rod component for a bridge expansion joint comprises an anchor rod and a sleeve bolt, wherein the sleeve bolt is rotationally arranged on the outer side of the anchor rod, the inner wall of the sleeve bolt is provided with threads matched with the anchor rod, the outer wall of the anchor rod is sleeved with a nut which is rotationally connected on one side of the sleeve bolt, the bottom end of the anchor rod is provided with a fixed plate, the inner wall of the sleeve bolt is provided with a plurality of first cavities, the first cavities are matched with sliding blocks which are in sliding connection, one side, away from the anchor rod, of each sliding block is provided with a limiting plate, one end of each limiting plate extends to the outer side of the sleeve bolt, one side, close to the anchor rod, of each sliding block is provided with a push plate, the top of each push plate is provided with a plurality of balls which are rotationally connected, the bottom of the anchor rod is provided with trapezoidal blocks, the limiting plates which are vertically adjacent are arranged in a staggered mode, and one side, away from the anchor rod, of the outer wall of each sliding block is provided with a reset spring, reset spring one end with first cavity inner wall fixed connection, the nut bottom is close to sleeve bolt one side is equipped with elasticity pretension gasket, first through-hole has been seted up to stock outer wall one side, sleeve bolt outer wall in first through-hole one side seted up with first through-hole assorted second through-hole, the stock top is equipped with sliding connection's installation piece, the inside second cavity of having seted up of installation piece, second cavity inner wall matches and is equipped with sliding connection's slide, the stock top extend to inside the second cavity and with slide fixed connection, the slide top is equipped with compression spring, compression spring one end with second cavity inner wall fixed connection.

Furthermore, the top of the push plate is provided with a ball bearing matched with the ball, and the ball bearing is arranged to replace rotation, so that smoothness of the ball during rotation is guaranteed.

Furthermore, the first through hole is connected with the second through hole through a first bolt, and the first through hole and the second through hole are limited through the first bolt, so that the stability of the device is guaranteed.

Furthermore, the inner wall of the first cavity is provided with a sliding rail matched with the sliding block, so that the movement direction of the sliding block is limited, and the stability of the sliding block during movement is ensured.

Furthermore, the bottom of the mounting block is provided with a chute matched with the anchor rod, so that the movement direction of the anchor rod is limited, and the stability of the anchor rod when the slide plate is driven to move is ensured.

Furthermore, a plurality of bolt holes have been seted up to the stock bottom, and the stock passes through the second bolted connection with the fixed plate, has guaranteed the stability of device structure.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a set up trapezoidal piece, limiting plate and fixed plate, the limiting plate dispersion of crisscross setting is in the different aspect of concrete, and the fixed plate has increased the area of contact of device with the concrete with the limiting plate for the concrete receives the pulling force of device even, makes the holistic holding capacity of device rise, has guaranteed the working effect of device.

2. The utility model discloses a set up compression spring and slide, compression spring makes the device have certain shock attenuation cushioning effect with the slide, avoids vibrations to cause the harm to the holistic structure of device, has guaranteed the security of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front cross-sectional view of the present invention in its entirety;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 3 is a top view of the sleeve bolt of the present invention;

fig. 4 is an enlarged schematic view of fig. 1 at B according to the present invention;

in the figure: 1. an anchor rod; 2. a sleeve bolt; 3. a thread; 4. a nut; 5. a fixing plate; 6. a first cavity; 7. a slider; 8. a limiting plate; 9. pushing the plate; 10. a ball bearing; 11. a trapezoidal block; 12. a return spring; 13. an elastic pre-tightening gasket; 14. a first through hole; 15. a second through hole; 16. mounting blocks; 17. a second cavity; 18. a slide plate; 19. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sleeve bolt anchor rod assembly for a bridge expansion joint comprises an anchor rod 1 and a sleeve bolt 2, wherein the sleeve bolt 2 is rotatably arranged on the outer side of the anchor rod 1, the inner wall of the sleeve bolt 2 is provided with threads 3 matched with the anchor rod 1, the outer wall of the anchor rod 1 is sleeved with a nut 4 which is rotatably connected on one side of the sleeve bolt 2, the bottom end of the anchor rod 1 is provided with a fixing plate 5, the inner wall of the sleeve bolt 2 is provided with a plurality of first cavities 6, the first cavities 6 are matched with sliding connected sliding blocks 7, one side of each sliding block 7, far away from the anchor rod 1, is provided with a limiting plate 8, one end of each limiting plate 8 extends to the outer side of the sleeve bolt 2, one side of each sliding block 7, close to the anchor rod 1, is provided with a push plate 9, the top of each push plate 9 is provided with a plurality of rotatably connected balls 10, the bottom of the anchor rod 1 is provided with trapezoidal blocks 11, and the limiting plates 8 which are vertically adjacent are staggered, the outer wall of the sliding block 7 is far away from one side of the anchor rod 1 and is provided with a reset spring 12, one end of the reset spring 12 is fixedly connected with the inner wall of the first cavity 6, the bottom of the nut 4 is close to one side of the sleeve bolt 2 and is provided with an elastic pre-tightening gasket 13, one side of the outer wall of the anchor rod 1 is provided with a first through hole 14, and the outer wall of the sleeve bolt 2 is provided with a second through hole 15 matched with the first through hole 14 on one side of the first through hole 14.

The top of the push plate 9 is provided with a ball bearing matched with the ball 10, and the ball bearing is arranged to replace rotation, so that smoothness of the ball 10 during rotation is guaranteed.

The first through hole 14 is connected with the second through hole 15 through a first bolt, and the first through hole 14 and the second through hole 15 are limited through the first bolt, so that the stability of the device is guaranteed.

The inner wall of the first cavity 6 is provided with a slide rail matched with the slide block 7, so that the movement direction of the slide block 7 is limited, and the stability of the slide block 7 in movement is ensured.

A plurality of bolt holes have been seted up to 1 bottom of stock, and stock 1 passes through the second bolted connection with fixed plate 5, has guaranteed the stability of device structure.

The implementation mode is specifically as follows: when the anchor rod fixing device is used, by arranging the trapezoidal block 11, the limiting plate 8 and the fixing plate 5, when the anchor rod fixing device works, the anchor rod 1 is screwed into the sleeve bolt 2, when the anchor rod 1 moves to the bottom of the sleeve bolt 2, the fixing plate 5 and the anchor rod 1 are fixed, the first through hole 14 and the second through hole 15 are fixed by the first bolt and are matched with the fixing plate 5, so that the positions of the anchor rod 1 and the sleeve bolt 2 are fixed, when the anchor rod 1 moves downwards, the trapezoidal block 11 moves along with the anchor rod, along with the movement, the trapezoidal block 11 contacts with the ball 10 at the top of the push plate 9, the ball 10 moves along with the first through hole, the friction loss of the push plate 9 is reduced, the push plate 9 is pushed to the inside of the first cavity 6, the slider 7 moves along with the first through hole, the reset spring 12 is compressed to drive the limiting plate 8 to move towards the outer side of the sleeve bolt 2, and the limiting plates 8 extend to the outer side of the sleeve bolt 2, and upper and lower adjacent limiting plate 8 is crisscross to be set up, the one end and the bridge expansion joint fixed connection of stock 1, fixed plate 5 and sleeve bolt 2 are gone deep into the basement layer and have been pour the concrete, the limiting plate 8 dispersion of crisscross setting is in the different aspect of concrete, fixed plate 5 has increased the area of contact of device with the concrete with limiting plate 8 for the concrete receives the pulling force of device even, makes the holistic holding capacity of device rise, has guaranteed the working effect of device.

Referring to fig. 1 and 4, the present invention provides a technical solution: the utility model provides a sleeve bolt stock subassembly for bridge expansion joint, still including slide set up in the installation piece 16 at 1 top of stock, second cavity 17 has been seted up to installation piece 16 inside, the slide 18 that second cavity 17 inner wall matches and is equipped with sliding connection, 1 top of stock extend to second cavity 17 inside and with slide 18 fixed connection, slide 18 top is equipped with compression spring 19, compression spring 19 one end with 17 inner wall fixed connection of second cavity.

The bottom of the mounting block 16 is provided with a sliding groove matched with the anchor rod 1, so that the movement direction of the anchor rod 1 is limited, and the stability of the anchor rod 1 when driving the sliding plate 18 to move is ensured.

The implementation mode is specifically as follows: during the use, through setting up compression spring 19 and slide 18, the bridge expansion joint can receive a large amount of vibrations at the in-process of work usually, when the bridge expansion joint receives vibrations, installation piece 16 is installed and is shaken thereupon in the bottom at the bridge expansion joint, compression spring 19 is compressed and tensile this moment, slide 18's relative position remain stable, thereby guarantee that the holistic position of device remains stable, make the device have certain shock attenuation cushioning effect, avoid vibrations to cause the harm to the holistic structure of device, the security of device has been guaranteed.

The utility model discloses a theory of operation:

referring to the attached drawings 1-3 of the specification, the trapezoidal blocks 11, the limiting plates 8 and the fixing plates 5 are arranged, the limiting plates 8 arranged in a staggered mode are dispersed in different layers of concrete, the contact area between the device and the concrete is increased by the fixing plates 5 and the limiting plates 8, the concrete is uniformly pulled by the device, the overall bearing capacity of the device is increased, and the working effect of the device is guaranteed.

Further, referring to the attached drawings 1 and 4 of the specification, by arranging the compression spring 19 and the sliding plate 18, the compression spring 19 and the sliding plate 18 enable the device to have a certain damping and buffering effect, damage to the whole structure of the device due to vibration is avoided, and the safety of the device is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sleeve bolt anchor rod subassembly for bridge expansion joint, includes stock (1) and sleeve bolt (2), its characterized in that: the sleeve bolt (2) is rotatably arranged on the outer side of the anchor rod (1), the inner wall of the sleeve bolt (2) is provided with threads (3) matched with the anchor rod (1), the outer wall of the anchor rod (1) is sleeved with a nut (4) connected in a rotating manner on one side of the sleeve bolt (2), the bottom end of the anchor rod (1) is provided with a fixing plate (5), the inner wall of the sleeve bolt (2) is provided with a plurality of first cavities (6), the first cavities (6) are provided with sliding connected sliders (7) in a matching manner, the sliders (7) are far away from one side of the anchor rod (1) and are provided with limiting plates (8), one ends of the limiting plates (8) extend to the outer side of the sleeve bolt (2), the sliders (7) are close to one side of the anchor rod (1) and are provided with push plates (9), and the top of the push plates (9) is provided with a plurality of rotatably connected balls (10), the anchor rod (1) is provided with trapezoidal blocks (11) at the bottom, the limiting plates (8) which are adjacent up and down are arranged in a staggered manner, a reset spring (12) is arranged on one side, away from the anchor rod (1), of the outer wall of the sliding block (7), one end of the reset spring (12) is fixedly connected with the inner wall of the first cavity (6), an elastic pre-tightening gasket (13) is arranged on one side, close to the sleeve bolt (2), of the bottom of the nut (4), a first through hole (14) is formed in one side of the outer wall of the anchor rod (1), a second through hole (15) matched with the first through hole (14) is formed in one side of the outer wall of the sleeve bolt (2), a mounting block (16) in sliding connection is arranged at the top of the anchor rod (1), a second cavity (17) is formed in the mounting block (16), and a sliding plate (18) in sliding connection is arranged on the inner wall of the second cavity (17) in a matching manner, stock (1) top extend to inside second cavity (17) and with slide (18) fixed connection, slide (18) top is equipped with compression spring (19), compression spring (19) one end with second cavity (17) inner wall fixed connection.

2. The telescopic bolt anchor rod assembly for a bridge expansion joint according to claim 1, wherein: and the top of the push plate (9) is provided with a ball bearing matched with the ball (10).

3. The telescopic bolt anchor rod assembly for a bridge expansion joint according to claim 1, wherein: the first through hole (14) and the second through hole (15) are connected through a first bolt.

4. The telescopic bolt anchor rod assembly for a bridge expansion joint according to claim 1, wherein: the inner wall of the first cavity (6) is provided with a slide rail matched with the slide block (7).

5. The telescopic bolt anchor rod assembly for a bridge expansion joint according to claim 1, wherein: the bottom of the mounting block (16) is provided with a sliding groove matched with the anchor rod (1).

6. The telescopic bolt anchor rod assembly for a bridge expansion joint according to claim 1, wherein: a plurality of bolt holes are formed in the bottom of the anchor rod (1).