阅读说明：本技术 一种带中心限位的人行道伸缩缝结构 (Pavement expansion joint structure with central limiting function ) 是由 唐世杰 李文静 伊玛目·穆斯塔法 沙维 于 2020-07-15 设计创作，主要内容包括：本发明涉及建筑伸缩缝技术领域,具体涉及一种带中心限位的人行道伸缩缝结构,包括伸缩缝左部和伸缩缝右部,两者之间形成伸缩缝,其上盖合盖板,盖板下设有支撑杆,支撑杆的两端分别滑动连接伸缩缝左部和伸缩缝右部,且支撑杆的两端的滑动方向沿着伸缩缝的开缝长度方向；支撑杆和盖板之间设有一中央限位组件,中央限位组件的上端连接盖板、下端连接支撑杆的中心位置。本发明安装简便快捷,可适应浅槽口设计,便于更换,在伸缩缝伸缩过程中,盖板始终被固定在中间位置,从而使盖板和伸缩缝的两侧之间不会产生缝隙,消除了行人行走时的安全隐患,尤其适用于桥梁和道路上的人行道等行人频繁经过的交通建筑结构应用中。(The invention relates to the technical field of building expansion joints, in particular to a sidewalk expansion joint structure with a central limit, which comprises a left expansion joint part and a right expansion joint part, wherein an expansion joint is formed between the left expansion joint part and the right expansion joint part; a central limiting component is arranged between the supporting rod and the cover plate, the upper end of the central limiting component is connected with the cover plate, and the lower end of the central limiting component is connected with the central position of the supporting rod. The invention has simple and fast installation, can adapt to the design of the shallow slot opening, is convenient to replace, and the cover plate is always fixed at the middle position in the expansion process of the expansion joint, thereby causing no gap to be generated between the cover plate and the two sides of the expansion joint, eliminating the potential safety hazard when pedestrians walk, and being particularly suitable for the application of traffic building structures such as sidewalks on bridges and roads, through which the pedestrians frequently pass.)

1. A pavement expansion joint structure with a central limit function comprises a left expansion joint part and a right expansion joint part, wherein the left expansion joint part and the right expansion joint part are spaced at a certain distance to form an expansion joint;

the supporting rod and the cover plate are provided with a central limiting component, the upper end of the central limiting component is connected with the cover plate, and the lower end of the central limiting component is connected with the central position of the supporting rod.

2. The sidewalk expansion joint structure with the center limit as claimed in claim 1, wherein a left sliding groove is formed at a left portion of the expansion joint, a left sliding pin is connected to a left end of the supporting rod, and the left sliding pin is clamped into the left sliding groove.

3. The sidewalk expansion joint structure with the central limit as claimed in claim 1 or 2, wherein a right sliding groove is formed at the right part of the expansion joint, a right sliding pin is connected to the right end of the supporting rod, and the right sliding pin is clamped into the right sliding groove.

4. A pavement expansion joint structure with a center limit component as claimed in claim 1 or 2, wherein the upper end of the center limit component is connected with the center position of the cover plate.

5. A sidewalk expansion joint structure with a center limit function according to claim 3, wherein the upper end of the center limit component is connected with the center position of the cover plate.

6. The sidewalk expansion joint structure with the center limit function according to claim 4, wherein the center limit component comprises a connecting rod with a cylindrical structure and limit parts located at two ends of the connecting rod, through holes convenient for the connecting rod to pass through are formed in the cover plate and the rod body of the supporting rod, the through holes in the cover plate are of a counter bore structure, the maximum width of the limit parts is larger than the diameter of the cross section of the connecting rod, after the connecting rod sequentially passes through the through holes in the cover plate and the supporting rod from top to bottom, the limit parts at the upper ends of the connecting rod are embedded into the counter bore structures of the through holes in the cover plate, and the limit parts at the lower ends of the connecting rod are located below the supporting rod.

7. The sidewalk expansion joint structure with the center limit function according to claim 5, wherein the center limit component comprises a connecting rod with a cylindrical structure and limit parts located at two ends of the connecting rod, through holes convenient for the connecting rod to pass through are formed in the cover plate and the rod body of the supporting rod, the through holes in the cover plate are of a counter bore structure, the maximum width of the limit parts is larger than the diameter of the cross section of the connecting rod, after the connecting rod sequentially passes through the through holes in the cover plate and the supporting rod from top to bottom, the limit parts at the upper ends of the connecting rod are embedded into the counter bore structures of the through holes in the cover plate, and the limit parts at the lower ends of the connecting rod are located below the supporting rod.

8. The sidewalk expansion joint structure with the center limit as claimed in claim 1, wherein a sliding platform is provided at the left part of the expansion joint, one side of the sliding platform is erected on the left roadbed, the other side of the sliding platform is erected on a sliding platform support frame, and the left side of the cover plate is erected on the upper surface of the sliding platform.

9. The sidewalk expansion joint structure with the central limit function according to claim 1 or 8, wherein the right part of the expansion joint and the left part of the expansion joint are symmetrical structures.

Technical Field

The invention relates to the technical field of building expansion joints, in particular to a sidewalk expansion joint structure with a central limit.

Background

An expansion joint is a common building structure in the modern building field, and generally refers to a structural joint arranged along a proper position in the building or building construction joint direction in order to prevent structural members from cracking or being damaged due to expansion caused by heat and contraction caused by climate temperature change. The expansion joint divides the building members positioned on the building foundation and above the building foundation into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction. In the aspect of use, the expansion joint structure not only can be used for building construction, but also can be applied to traffic buildings such as bridges and highways and the like, and is used for adjusting the displacement and connection between structures caused by the load influence caused by vehicle driving and the deformation of bridge building materials acting on the upper parts of bridges or roadbeds. In addition, in order to prevent water from accumulating in the expansion joint structure, a water stop can be arranged in the expansion joint structure, so that water can be drained in time.

However, in the actual application process of the expansion joint structure in the prior art, the cover plate at the sealing position of the expansion joint structure has the problem that the gap becomes larger along with the increase of the expansion scale of the expansion joint, so that the potential safety hazard of pedestrians during walking is increased.

Disclosure of Invention

The invention aims to provide a sidewalk expansion joint structure with a central limit function, and the technical problem is solved.

The technical problem solved by the invention can be realized by adopting the following technical scheme:

a pavement expansion joint structure with a central limit comprises a left expansion joint part and a right expansion joint part, wherein the left expansion joint part and the right expansion joint part are separated by a certain distance to form an expansion joint, a cover plate is arranged on the expansion joint and covers the expansion joint, so that pedestrians can conveniently pass through the expansion joint, a support rod is arranged below the cover plate, two ends of the support rod are respectively connected with the left expansion joint part and the right expansion joint part in a sliding mode, and the sliding directions of the two ends of the support rod are along the length direction of a seam of the expansion joint;

the utility model discloses a bracing piece, including the bracing piece, the apron is equipped with the central spacing subassembly between the bracing piece with be equipped with a central spacing subassembly between the apron, the central spacing subassembly be used for the both ends of bracing piece slide and make when leading to its center rotatory the apron can not be along with bracing piece center synchronous motion again along with bracing piece center rotatory, the upper end of central spacing subassembly is connected apron, lower extreme are connected the central point of bracing piece puts.

The central limiting component is arranged to connect the cover plate and the support rod with sliding performance, so that the cover plate is always located at a relatively fixed position when the expansion joint is expanded and contracted, and when the cover plate is located at the relatively fixed position, gaps cannot be generated between the edges of the two sides of the cover plate and the left part and the right part of the expansion joint, and therefore potential safety hazards caused when pedestrians walk are eliminated.

Optionally, the expansion joint left part is equipped with a left sliding tray, a left sliding pin is connected to the left end of bracing piece, a left sliding pin card is gone into in the left sliding tray.

Optionally, the right part of the expansion joint is provided with a right sliding groove, the right end of the supporting rod is connected with a right sliding pin, and the right sliding pin is clamped into the right sliding groove.

The end part of the support rod is provided with the sliding pin, the sliding groove is arranged at the left part of the expansion joint and/or the right part of the expansion joint in a matching manner, and the sliding pin is clamped in the sliding groove, so that the effect that the support rod rotates when the expansion joint extends and retracts is realized.

Preferably, the upper end of the central limiting component is connected with the central position of the cover plate.

Optionally, the central limiting component comprises a connecting rod of a cylindrical structure and limiting parts located at two ends of the connecting rod, the cover plate and the rod of the supporting rod are provided with through holes convenient for the connecting rod to pass through, the through holes in the cover plate are of a counter bore structure, the maximum width of the limiting parts is larger than the diameter of the cross section of the connecting rod, the connecting rod passes through the cover plate and the supporting rod from top to bottom successively, the limiting parts at the upper ends of the connecting rods are embedded into the counter bore structures of the through holes in the cover plate, and the limiting parts at the lower ends of the connecting rods are located below the supporting rod.

Optionally, the expansion joint left part is equipped with a sliding platform, one side of sliding platform erects on the left side road bed, the opposite side erects on a sliding platform support frame, the left side frame of apron is in sliding platform's upper surface.

Optionally, the expansion joint right part and the expansion joint left part are of a symmetrical structure.

Has the advantages that: by adopting the technical scheme, the expansion joint is simple, convenient and quick to install, can adapt to the design of a shallow groove opening, is convenient to replace, and is fixed at the middle position all the time in the expansion process of the expansion joint, so that no gap is generated between the cover plate and the two sides of the expansion joint, the potential safety hazard when pedestrians walk is eliminated, and the expansion joint is particularly suitable for traffic building structures such as bridges and sidewalks on roads where pedestrians frequently pass.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial schematic view of FIG. 1 in plan view;

FIG. 3 is a partial schematic view of FIG. 1;

fig. 4 is another schematic structural diagram of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.

Referring to fig. 1 and 2, a sidewalk expansion joint structure with a central limit comprises a left expansion joint part and a right expansion joint part, wherein the left expansion joint part and the right expansion joint part are spaced at a certain distance to form an expansion joint, a cover plate 1 is arranged on the expansion joint, the cover plate 1 covers the expansion joint, a support rod 5 is arranged below the cover plate 1, two ends of the support rod 5 are respectively connected with the left expansion joint part and the right expansion joint part in a sliding manner, and the sliding directions of the two ends of the support rod 5 are along the length direction of; be equipped with central spacing subassembly 2 between bracing piece 5 and the apron 1, central spacing subassembly 2 is used for making apron 1 not can be along with bracing piece center synchronous motion again along with bracing piece center synchronous motion when the both ends of bracing piece 5 slide and lead to its center rotatory, and apron 1, the central point that the bracing piece 5 was connected to the lower extreme are connected to the upper end of central spacing subassembly 2 puts.

It should be noted that the length direction of the slit of the expansion joint is perpendicular to the left-right direction (the opposite arrows at the two ends below the structure shown in fig. 1 indicate the left-right direction); in the top view structure shown in fig. 2, it can be seen that the center position of the support rod 5 rotates when the support rod slides.

In some embodiments, a left sliding groove 41 is formed at the left portion of the expansion joint, the left end of the support rod 5 is connected to a left sliding pin 61, and the left sliding pin 61 is clamped in the left sliding groove 41, so that when the expansion joint is expanded or contracted, the left end of the support rod 5 can slide in the left sliding groove 41, and at this time, the center of the support rod 5 moves along a curve.

In other embodiments, a right sliding groove 42 is formed at the right portion of the expansion joint, a right sliding pin 62 is connected to the right end of the support rod 5, and the right sliding pin 62 is clamped in the right sliding groove 42, so that when the expansion joint is expanded and contracted, the right end of the support rod 5 can slide in the right sliding groove 42, and at this time, the center of the support rod 5 moves along a curve.

In other embodiments, expansion joint left part and expansion joint right part all are equipped with the sliding tray, and the both ends of bracing piece all are equipped with corresponding sliding pin for when the expansion joint takes place flexible the change, the left end of bracing piece can slide in left sliding tray, and the center of bracing piece is along curvilinear motion this moment.

The end part of the support rod is provided with the sliding pin, the sliding groove is arranged at the left part of the expansion joint and/or the right part of the expansion joint in a matching manner, and the sliding pin is clamped in the sliding groove, so that the effect that the support rod rotates when the expansion joint extends and retracts is realized.

In some preferred embodiments, the upper end of the central position-limiting assembly 2 can be arranged to be connected to the central position of the cover plate 1.

In some embodiments, as shown in fig. 3, the structure of the central restraining assembly may be arranged as follows: the central limiting assembly comprises a connecting rod 201 of a cylindrical structure and limiting parts located at two ends of the connecting rod, the limiting parts are an upper limiting part 202 and a lower limiting part 203 respectively, through holes convenient for the connecting rod 201 to pass are formed in the rod bodies of the cover plate 1 and the supporting rod 5, the through holes in the cover plate 1 are of a counter bore structure, the maximum width of the limiting parts 202 and 203 is larger than the diameter of the cross section of the connecting rod 201, after the connecting rod 201 sequentially passes through the through holes in the cover plate 1 and the supporting rod 5 from top to bottom, the upper limiting part 202 is embedded into the counter bore structure of the through holes in the cover plate 1, and the lower limiting part 203 is. In some preferred embodiments, the central limiting component is implemented by a bolt, a shaft of the bolt is a connecting rod, a head of a nut structure of the bolt is an upper limiting part, and at least one nut is locked at the lower end of the bolt so as to implement the function of the lower limiting part.

In some embodiments, as shown in fig. 3, in order to reduce the influence of deformation of the cover plate and the support rod when the expansion joint is extended, a sleeve 204 may be sleeved on the connecting rod 201 and located between the cover plate 1 and the support rod 5, and the sleeve 204 may be made of silica gel or rubber.

In some embodiments, the sliding platform 3 is disposed at the left portion of the expansion joint, one side of the sliding platform 3 is erected on the left roadbed 8, the other side of the sliding platform 3 is erected on the sliding platform support frame 7, and the left side of the cover plate 1 is erected on the upper surface of the sliding platform 3.

In other embodiments, the right portion of the expansion joint and the left portion of the expansion joint may be symmetrically disposed, that is, another set of sliding platform and sliding platform support frame may be disposed at the right portion of the expansion joint.

In some embodiments, as shown in fig. 4, in order to correspond to a cover plate structure with a longer length and make the position fixing state of the cover plate structure more stable, the following structure may be adopted: at least two through holes with counter bore structures are arranged on the center line of the cover plate along the length direction of the cover plate, any through hole corresponds to a central limiting component and a supporting rod, two supporting rods are shown in the figure structure and are respectively a supporting rod 5001 and a supporting rod 5002, and sliding pins are arranged at the left end and the right end of each of the supporting rods and are arranged in a left sliding groove 41 and a right sliding groove 42. The longitudinal direction of the cover plate described herein is the length along the slit direction of the expansion joint, and is not the left-right direction.

The central limiting component is arranged to connect the cover plate and the support rod with sliding performance, so that the cover plate is always located at a relatively fixed position when the expansion joint is expanded and contracted, and when the cover plate is located at the relatively fixed position, gaps cannot be generated between the edges of the two sides of the cover plate and the left part and the right part of the expansion joint, and therefore potential safety hazards caused when pedestrians walk are eliminated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.