CN210507847U

CN210507847U - Antidetonation type ground expansion joint structure

Info

Publication number: CN210507847U
Application number: CN201921183853.8U
Authority: CN
Inventors: 胡蝶
Original assignee: Guizhou Jiaotong College
Current assignee: Guizhou Jiaotong College
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-12
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to the technical field of ground seam structure, concretely relates to earthquake-proof ground expansion joint structure, which aims to solve the problems that in the prior art, after traffic is communicated, the expansion joint is easily caused to be in a rugged state, so that the traffic is vibrated when passing through the expansion joint, and the service life of a highway is shortened; the middle shaft rod piece comprises a rod head and a rod body which are arranged in the cavity, two groups of elastic pieces are sleeved on the rod body, and the elastic pieces are positioned between the buffer seat and the bottom plate and between the rod head and the inner wall of the buffer seat.

Description

Antidetonation type ground expansion joint structure

Technical Field

The utility model relates to a ground seam structure technical field, concretely relates to antidetonation type ground expansion joint structure.

Background

The expansion joint is a structural joint which is vertically arranged along a proper position in the length direction of the house in order to prevent the structure from cracking or damaging due to the change of the climate and temperature of the building components. According to the standard requirement, the ground of some buildings with large indoor structure span is generally provided with structure expansion joints, and the decorative surface layer is also disconnected at the structure expansion joints and can deform along with the structure, but the appearance quality and the use function of the decorative surface are affected.

Chinese patent No. 2527611 discloses a floor expansion joint cover suitable for plane, which comprises a decorative cover plate, a center shaft control rod, a center shaft rod adjusting screw, a decorative cover plate upper edge beam and a decorative cover plate lower edge beam, wherein the decorative cover plate is connected with the center shaft control rod through the center shaft rod adjusting screw, the decorative cover plate upper edge beam and the decorative cover plate lower edge beam are fixedly supported on a concrete mounting plate through four countersunk self-tapping screws, the countersunk self-tapping screws are fixedly connected with the decorative cover plate upper edge beam and the decorative cover plate lower edge beam, and two ends of the center shaft control rod are inserted into a sliding groove of the decorative cover plate lower edge beam through pin rods.

But when using when outdoor, set up the expansion joint between the highway bottom promptly, vibrations and pressure after the through traffic, its surface production subsides for separate between center plate layer and the antidetonation basic unit, thereby cause the expansion joint to be in the state of level unevenness, make the vehicle of coming and going arouse vibrations when passing through the expansion joint, cause the vehicle to damage with higher speed, and produce to collide to the highway, shorten highway life's problem. In addition, when the ground takes place the earthquake, because vibrations are by the basement of the earth to subaerial impact to make antidetonation basic unit further separate with center plate layer, thereby make expansion joint structure's anti-seismic performance reduce, thereby make the highway damage, thereby make to maintain the highway often when needing, greatly increased the maintenance cost of highway.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming vibrations and pressure after leading to the car among the prior art, causing the expansion joint to be in the state of unevenness easily to make the vehicle of coming and going arouse vibrations when the expansion joint, appear shortening highway life's defect, thereby provide an antidetonation type ground expansion joint structure.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an anti-seismic ground expansion joint structure comprises a middle shaft rod piece and a bottom plate arranged in a ground seam, wherein an aluminum alloy cover plate is arranged right above the bottom plate, one end of the middle shaft rod piece is rotatably connected with the aluminum alloy cover plate, and the other end of the middle shaft rod piece penetrates through the bottom plate;

the middle shaft rod piece comprises a rod head and a rod body which are arranged in the cavity, two groups of elastic pieces are sleeved on the rod body, and the elastic pieces are positioned between the buffer seat and the bottom plate and between the rod head and the inner wall of the buffer seat.

Optionally, a ring of annular table is arranged in the cavity of the buffer seat, and the inner diameter of the annular table is smaller than the diameter of the rod head.

Optionally, an annular edge is arranged on the periphery of the buffer seat, and a buffer spring is arranged between the annular edge and the bottom plate.

Optionally, a limiting hole is formed in the center of the top of the buffer seat, and the rod body penetrates through the limiting hole and is located outside the buffer seat.

Optionally, anti-seismic bases are arranged on two sides of the bottom plate, two buckling parts are oppositely arranged on the anti-seismic bases, the anti-seismic bases are connected with the bottom plate in a buckling mode through the buckling parts, and elastic rubber strips which are abutted to the ground are arranged on the buckling parts.

Optionally, the anti-seismic base comprises hollow protruding portions, bonding plates are symmetrically arranged between the protruding portions on the anti-seismic base, and a ground layer is laid between the two bonding plates above the aluminum alloy cover plate.

Optionally, a space is left between the adhesive plate and the protrusion, and the space skin is filled with a gap filler.

Optionally, the fastening portion includes a T-shaped through hole disposed on the anti-seismic base, and the end surface of the bottom plate is provided with two fastening blocks matched with the T-shaped through hole.

The utility model discloses a mutual cover axis member, the buffing pad of establishing for whole expansion joint structure has better location nature and stability on the horizontal direction, can not control and rock, and through the two sets of elastic component of inside and outside setting, the vibrations that make the vehicle of coming and going arouse when the expansion joint can be effectively absorbed, and furthest avoids or has alleviateed expansion joint structure's impaired. In addition, because the elasticity is good, the shock attenuation effect is good, and the release elasticity is more mild to install this expansion joint structure to ground with fixed, when the earthquake appears, the vibrating force that produces constantly transmits upwards, is absorbed by the elastic component buffering, realizes energy dissipation shock attenuation's effect, with this prevent that aluminum alloy cover plate apposition vibrations from causing the separation between center plate layer and the antidetonation basic unit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an anti-seismic ground expansion joint structure according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Description of reference numerals:

1. a middle shaft rod piece; 11. a club head; 12. a shaft body; 13. an elastic member; 2. a base plate; 21. a base; 22. a buffer seat; 23. a cavity; 24. an annular table; 25. an annular rim; 26. a buffer spring; 27. a limiting hole; 3. an aluminum alloy cover plate; 4. a shock-resistant base; 40. a protrusion; 41. a fastening part; 42. an elastic rubber strip; 43. a snap arm; 44. a T-shaped through hole; 45. a buckling block; 5. bonding a board; 50. spacing; 51. a caulking agent; 6. a ground layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

An anti-seismic ground expansion joint structure is fixed between road bottom layers as shown in figure 1, and comprises a middle shaft rod piece 1 and a bottom plate 2 arranged in a ground seam, wherein an aluminum alloy cover plate 3 is arranged right above the bottom plate 2, one end of the middle shaft rod piece 1 is rotatably connected with the aluminum alloy cover plate 3, and the other end of the middle shaft rod piece penetrates through the bottom plate 2. Specifically, one side of the bottom plate 2, which is far away from the aluminum alloy cover plate 3, is connected with a hollow base 21, a buffer seat 22 which is sleeved on the middle shaft rod piece 1 is arranged in the base 21, and a cavity 23 is arranged in the buffer seat 22; the medial axis member 1 comprises a head 11 and a shaft 12 which are arranged in the cavity 23, two groups of elastic elements 13 are sleeved on the shaft 12, wherein one group of elastic elements 13 is positioned between the buffer seat 22 and the bottom plate 2, and the other group is positioned between the head 11 and the inner wall of the buffer seat 22. Through the axis member 1, the buffer seat 22 of establishing each other cover for whole expansion joint structure has better location nature and stability in the horizontal direction, can not rock about, and through two sets of elastic component 13 of inside and outside setting, the vibrations that make the vehicle of coming and going arouse when passing through the expansion joint can be effectively absorbed, furthest avoids or has alleviateed the impaired of expansion joint structure. In addition, because its elasticity is good, and the shock attenuation effect is good, and release elasticity is more mitigateed to install this expansion joint structure to ground with fixed, when the earthquake appears, the vibrating force that produces constantly transmits upwards, is absorbed by the buffer of elastic component 13, realizes the effect of energy dissipation shock attenuation, with this separation that prevents that aluminum alloy cover plate 3 apposition from shaking, causes between central slab and the antidetonation basic unit.

As shown in FIG. 1, a limiting hole 27 is formed in the center of the top of the cushion seat 22, and the shaft 12 passes through the limiting hole 27 and is located outside the cushion seat 22. Therefore, the rod head 11 is limited in the cavity 23 of the buffer seat 22, so as to limit the movement track of the middle shaft rod member 1 in the vertical direction, and meanwhile, the limiting hole 27 is further limited, so that the elastic member 13 penetrating through the middle shaft rod member 1 is only subjected to the vibration force in the vertical direction and does not generate the elastic deformation in the horizontal direction, thereby playing the role of protecting the elastic member 13 from being damaged and prolonging the service life of the elastic member 13.

As shown in fig. 1, in this embodiment of the present invention, the spring is used as the elastic member 13, a ring-shaped platform 24 is disposed in the cavity 23 of the buffer seat 22, the inner diameter of the ring-shaped platform 24 is smaller than the diameter of the rod head 11, when the elastic member 13 is disposed between the inner walls of the rod head 11 and the buffer seat 22, the excessive deformation of the vibration spring is avoided, and the occurrence of the safety accident caused by the collapse of the vibration spring is further caused.

As shown in fig. 1, an annular rim 25 is provided around the cushion seat 22, and a cushion spring 26 is provided between the annular rim 25 and the bottom plate 2. Therefore, the buffer spring 26 can be selectively used according to the actual scale of the expansion joint structure, thereby further sharing the pressure in cooperation with each other.

As shown in fig. 1 and 2, in the embodiment of the utility model, antidetonation type ground expansion joint structure is still including the antidetonation base 4 that is located bottom plate 2 both sides, aluminum alloy cover plate 3 is placed between two antidetonation bases 4, extend latch part 41 on two antidetonation bases 4 relatively, latch part 41 includes two buckle arms 43, it has open-ended T shape through-hole 44 to form between the

buckle arm

43, 2 terminal surfaces of bottom plate have welded two with the buckle piece 45 of T shape through-hole phase-match joint, bottom plate 2 passes through buckle piece 45 and is connected with the 41 buckle of latch part, it is fixed to need not additionally add the screw during the installation, only need beat buckle piece 45 one end during the dismantlement, can accomplish the dismantlement of bottom plate 2 with antidetonation base 4, a large amount of cost of labor. In this embodiment, the elastic rubber strip 42 is abutted between the fastening portion 41 and the inner wall of the ground, the elastic effect of the elastic rubber strip 42 is utilized to buffer the shock force generated by the left-right collision, and other suitable elastic devices can be used to replace the elastic rubber strip 42, such as a spring plate or a spring, to play a role in releasing.

As shown in fig. 1, the anti-seismic base 4 includes a protrusion 40 that is retractable and has a hollow structure, and the protrusion 40 is made of spring steel with good elastic performance, and also has the effect of resisting shock by removing force. In addition, the adhesive plates 5 are symmetrically arranged between the protruding parts 40 on the anti-seismic base 4, enough deformation spaces are reserved on two sides of the protruding parts 40, the shapes of the adhesive plates 5 are the same as those of the protruding parts 40, a space 50 is reserved in parallel, the space 50 is filled with gap fillers 51, and the gap fillers are coated at the opening of the space 50 to prevent water seepage of an anti-seismic base layer. In addition, a ground layer 6 is laid on the ground and above the aluminum alloy cover plate 3, so that the ground expansion joint structure can be protected, and the overall decoration of the ground expansion joint is improved.

This antidetonation type ground expansion joint structure's theory of operation: one end of the middle shaft rod piece 1 penetrates through the bottom plate 2, and the other end of the middle shaft rod piece is rotatably connected with the aluminum alloy cover plate 3, so that when a vehicle passes through the expansion joint and causes vibration, the vibration caused by the vehicle passing through the expansion joint can be effectively absorbed through the two groups of elastic pieces 13 arranged inside and outside, and the damage of the expansion joint structure is avoided or reduced to the maximum extent; in addition, the protruding part 40 of the anti-seismic base 4 is made of spring steel, and enough elastic space is left on two sides, and the elastic rubber strip 42 is arranged at the position where the bottom plate 2 is hung on the anti-seismic base 4 and is abutted with the ground, so that the horizontal vibration force is reduced, and the overall anti-seismic performance is further enhanced; finally, the ground floor 6 is laid on the whole ground expansion joint structure, and the whole decoration is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An anti-seismic ground expansion joint structure comprises a middle shaft rod piece (1) and a bottom plate (2) arranged in a ground seam, wherein an aluminum alloy cover plate (3) is arranged right above the bottom plate (2), one end of the middle shaft rod piece (1) is rotatably connected with the aluminum alloy cover plate (3), and the other end of the middle shaft rod piece penetrates through the bottom plate (2), and the anti-seismic ground expansion joint structure is characterized in that one side, away from the aluminum alloy cover plate (3), of the bottom plate (2) is connected with a hollow base (21), a buffer seat (22) penetrating and sleeved on the middle shaft rod piece (1) is arranged in the base (21), and a cavity (23) is arranged in the buffer seat;

the middle shaft rod piece (1) comprises a rod head (11) and a rod body (12) which are arranged in the cavity (23), two groups of elastic pieces (13) are sleeved on the rod body (12), and the elastic pieces (13) are positioned between the buffer seat (22) and the bottom plate (2) and between the rod head (11) and the inner wall of the buffer seat (22).

2. An anti-seismic ground expansion joint structure as claimed in claim 1, wherein a ring-shaped platform (24) is provided in the cavity (23) of said buffer seat (22), and the inner diameter of said ring-shaped platform (24) is smaller than the diameter of said rod head (11).

3. An earthquake-resistant ground expansion joint structure as claimed in claim 1, wherein an annular edge (25) is provided around said buffer seat (22), and a buffer spring (26) is provided between said annular edge (25) and said bottom plate (2).

4. An anti-seismic ground expansion joint structure as claimed in claim 1, wherein a limiting hole (27) is formed in the center of the top of the buffer seat (22), and the rod body (12) passes through the limiting hole (27) and is located outside the buffer seat (22).

5. An anti-seismic ground expansion joint structure as claimed in claim 1, wherein anti-seismic bases (4) are provided at two sides of said base plate (2), two of said anti-seismic bases (4) are provided with buckling parts (41) relatively, said anti-seismic bases (4) are connected with said base plate (2) by buckling said buckling parts (41), said buckling parts (41) are provided with elastic rubber strips (42) abutting against the ground.

6. An anti-seismic ground expansion joint structure as claimed in claim 5, wherein said anti-seismic base (4) comprises hollow protrusions (40), said anti-seismic base (4) is symmetrically provided with adhesive plates (5) between said protrusions (40), and a ground layer (6) is laid between said two adhesive plates (5) above said aluminum alloy cover plate (3).

7. An earthquake-resistant ground expansion joint structure according to claim 6, wherein a space (50) is left between the adhesive plate (5) and the protrusion (40), and the surface of the space (50) is filled with a gap filler (51).

8. An earthquake-proof ground expansion joint structure as claimed in claim 7, wherein the fastening part (41) comprises a T-shaped through hole (44) arranged on the earthquake-proof base (4), and two fastening blocks (45) matched with the T-shaped through hole (44) are arranged on the end surface of the bottom plate (2).