CN214033184U - Prefabricated formula floating plate's side connection structure and prefabricated formula floating plate subassembly - Google Patents

Abstract

The utility model provides a lateral connection structure of prefabricated floating plate, which comprises a shear plate and a fastening component, wherein the shear plate is arranged on the side surface of the prefabricated floating plate connected in two phases, each prefabricated floating plate is connected with the same shear plate through the fastening component, and when the side surface of the prefabricated floating plate is subjected to external force, the two prefabricated floating plates move synchronously through the shear plate; the fastening assembly comprises a fastening bolt and a sleeve, the sleeve is fixedly arranged in the prefabricated floating slab, and the fastening bolt is connected with the sleeve in a matched mode; an elastic backing plate is further arranged between the shear plate and the prefabricated floating plate, the vibration reduction effect of the track system is guaranteed, the fastening bolts are wedge-shaped bolts, when the wedge-shaped bolts move into the sleeves, the wedge-shaped bolts are synchronously tightly connected with the sleeves, and the connection stability is further guaranteed on the premise that the connection effect is guaranteed.

Description

Prefabricated formula floating plate's side connection structure and prefabricated formula floating plate subassembly

Technical Field

The utility model relates to a track traffic technical field especially relates to a connection structure and prefabricated formula floating plate subassembly are put to side of prefabricated formula floating plate.

Background

At present, the floating slab track is widely applied to areas with higher requirements on vibration and noise reduction in the track traffic fields of subways, light rails and the like, and the vibration reduction effect is more obvious than that of the whole track bed. The floating slab track is divided into the following concrete pouring modes: cast-in-situ floating slab and prefabricated floating slab. The prefabricated floating slab is widely applied to subway construction engineering as a floating slab track with quick construction and flow.

In the existing manufacturing process of the prefabricated floating slab, the prefabricated floating slab is convenient to install and transport, the longitudinal length is usually small, and one prefabricated floating slab is small in mass, so that the vertical displacement of a rail is possibly overlarge, and the driving safety is influenced; meanwhile, the vibration absorption effect of the prefabricated floating plate can be influenced because the vibration absorption mass is reduced. Therefore, for better vibration and noise reduction effects and driving safety, in the prior art, the end faces of the prefabricated floating plates are generally connected through shear hinges so as to increase the vibration participating mass and limit the relative displacement of the floating plates. However, in the specific implementation process, during the installation and use process of the shear hinge, the fixed shear bar is broken, the shear bar is separated under the action of alternating load, and the like, and the problems of certain safety, difficulty in maintenance and replacement and the like exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defects, the utility model aims to provide a side connection structure of prefabricated floating slab.

The utility model discloses a lateral connection structure of prefabricated floating plate, which comprises a shear plate and a fastening component, wherein the shear plate is arranged on the side surface of the prefabricated floating plate connected in two phases, each prefabricated floating plate is connected with the same shear plate through the fastening component, and when the side surface of the prefabricated floating plate is subjected to external force, the two prefabricated floating plates move synchronously through the shear plate; the fastening assembly comprises a fastening bolt and a sleeve, the sleeve is fixedly arranged in the prefabricated floating slab, and the fastening bolt is connected with the sleeve in a matched mode; an elastic backing plate is further arranged between the shear plate and the prefabricated floating plate.

Preferably, a first open slot is formed in the side surface of the prefabricated floating slab, and the bottom of the first open slot is a first mounting surface; the elastic backing plate, the shear plate and the fastening assembly are arranged on the first mounting surface of the two connected prefabricated floating plates, and the end part of the fastening assembly is limited in the notch of the first groove.

Preferably, a second slot is arranged in the prefabricated floating slab, the second slot comprises a second mounting surface and a third mounting surface which are opposite to the first mounting surface, and the elastic backing plate, the shear plate and the fastening assembly are arranged on the second mounting surface and the third mounting surface of the two connected prefabricated floating slabs.

Preferably, the sleeve penetrates through two sides of the prefabricated floating plate, and the fastening bolts are arranged at two ends of the sleeve.

Preferably, the fastening bolt penetrates through two sides of the prefabricated floating slab.

Preferably, the fastening bolt is a wedge bolt, and the wedge bolt is synchronously and tightly connected with the sleeve when running into the sleeve.

Preferably, the inner wall of the sleeve is provided with threads, and the fastening bolt is connected with the sleeve in a threaded fit manner;

preferably, the fastening bolt is provided with a limiting block, and the radial section of the limiting block along the fastening bolt is equal to the inner section of the sleeve, so as to limit the fastening bolt to move in the radial direction in the sleeve.

Preferably, the fastening assembly further comprises an anti-loosening sleeve, a spring gasket and nuts, wherein the nuts are arranged at two ends of the fastening bolt and are connected with the fastening bolt in a matched manner; the spring gasket is arranged between the nut and the fastening bolt; the anti-loosening sleeve is arranged on the nut and the fastening bolt to limit the relative movement between the nut and the fastening bolt.

A prefabricated floating plate assembly for a steel rail is composed of a plurality of side connection structures.

After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:

1. the prefabricated floating plates with small sizes are connected into strip-shaped prefabricated floating plates with larger longitudinal sizes by arranging the connecting structures on the side surfaces of two adjacent prefabricated floating plates, so that the transverse displacement of the track is limited; the elastic base plate is combined, and the vibration participating quality of the track system can be improved when the elastic base plate is applied to the field of track traffic, so that the vibration damping effect of the track system is ensured; the stability of connection has still been guaranteed to cooperation the fastener under the prerequisite of guaranteeing the connection effect.

2. The simple threaded connection of prior art will set up certain fit clearance because the cooperation needs, the fit clearance leads to threaded connection cooperation unstability to a certain extent, takes place to become flexible easily. The fit clearance does not exist between the wedge-shaped bolt and the sleeve, so that looseness cannot occur, and the fastening effect is more stable;

3. the limiting block is arranged, so that the gap between the threads can be made up, and the fastening effect of the fastening assembly is enhanced;

4. the sleeve or the fastening bolt penetrates through the prefabricated floating plate, so that the fastening assembly and the prefabricated floating plate are integrated, and the prefabricated floating plate is connected more stably.

Drawings

Fig. 1 is a side coupling structure according to a first preferred embodiment of the present invention;

fig. 2 is a top view of a prefabricated floating slab assembly with a side hitch structure according to a first preferred embodiment of the present invention;

fig. 3 is a longitudinal sectional view of a prefabricated floating slab assembly with a side hitch structure according to a first preferred embodiment of the present invention;

fig. 4 is a longitudinal sectional view of a prefabricated floating slab assembly with a multi-layered side hitch structure according to a first preferred embodiment of the present invention;

fig. 5 is a side coupling structure according to a second preferred embodiment of the present invention;

fig. 6 is a top view of a prefabricated floating slab assembly with a side hitch structure according to a second preferred embodiment of the present invention;

fig. 7 is a longitudinal sectional view of a prefabricated floating slab assembly with a side hitch structure according to a second preferred embodiment of the present invention;

fig. 8 is a side coupling structure according to a third preferred embodiment of the present invention;

fig. 9 is a top view of a prefabricated floating slab assembly with a side hitch structure according to a third preferred embodiment of the present invention;

fig. 10 is a longitudinal sectional view of a prefabricated floating slab assembly with a side hitch structure according to a third preferred embodiment of the present invention;

fig. 11 is a longitudinal sectional view of a prefabricated floating slab assembly with a multi-layered side hitch structure according to a third preferred embodiment of the present invention;

fig. 12 is a top view of a prefabricated floating slab assembly with a side hitch structure according to a fourth preferred embodiment of the present invention;

fig. 13 is a longitudinal sectional view of a prefabricated floating slab assembly with a side hitch structure according to a fourth preferred embodiment of the present invention.

Reference numerals: 1-a shear plate, 2-an elastic backing plate, 3-a fastening component, 4-a prefabricated floating plate, 5-a first slot and 6-a second slot.

Detailed Description

The advantages of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module" and "component" may be used in a mixture.

The utility model provides a connection structure is put to side of prefabricated formula floating slab, includes shear plate 1 and fastening components 3, and shear plate 1 locates the side of the prefabricated formula floating slab 4 of double-phase connection, and every prefabricated formula floating slab 4 couples with same shear plate 1 through fastening components 3 respectively, and when the side of prefabricated formula floating slab 4 received external force, shear plate 1 drove two prefabricated formula floating slab 4 synchronous motion that link mutually. The prefabricated formula floating slab 4 of fritter that the several was equipped with side connection structure is made up into a prefabricated formula floating slab 4 of bar, sets up on the track, and prefabricated formula floating slab 4 of bar sets up with the track syntropy, prevents orbital lateral displacement, avoids the track safety problem that lateral displacement brought. An elastic backing plate 2 is further arranged between the shear plate 1 of each side-mounted connecting structure and the prefabricated floating plate 4, so that the vibration participating quality of the track system is improved, and the vibration reduction effect of the track system is guaranteed. The elastic pad 2 is preferably a high damping rubber sheet.

Preferably, a first open slot 5 is formed in the side surface of the prefabricated floating slab 4, and the bottom of the first open slot 5 is a first mounting surface; the elastic base plate 2, the shear plate 1 and the fastening component 3 are arranged on the first mounting surface of the two-phase connected prefabricated floating plates 4 at the same time, and the end parts of the fastening components 3 are limited in the notches of the first grooves 5, so that the side edges of the plurality of connected prefabricated floating plates 4 are streamline, the integrity is good, and the side connection structure is safer compared with the protruding side connection structure. Typically, the first slot 5 is rectangular or trapezoidal or other polygonal shape as long as it is provided with a first mounting surface for the resilient backing plate 2, the shear plate 1, the fastening assembly 3.

Preferably, the second slot 6 is further disposed in the prefabricated floating slab 4, a lateral connecting structure is also disposed in the second slot 6, the lateral connecting structure in the second slot 6 and the lateral connecting structures of the first slots 5 on both sides form a complete connecting structure of the two prefabricated floating slabs 4, and the lateral connecting structure disposed in the middle makes the connection of the two prefabricated floating slabs 4 more stable. The second slot 6 comprises a second mounting surface and a third mounting surface which are opposite to the first mounting surface, and the second mounting surface and the third mounting surface of the two connected prefabricated floating plates 4 are provided with the elastic backing plate 2, the shear plate 1 and the fastening assembly 3. Typically, the second slot 6 is rectangular or trapezoidal or other polygonal shape as long as it is provided with a second mounting surface and a third mounting surface for the resilient pad 2, the shear plate 1, the fastening assembly 3.

The fastening component 3 comprises a fastening bolt and a sleeve, the sleeve is fixedly arranged in the prefabricated floating plate 4, and the fastening bolt is connected with the sleeve in a matched mode.

Specifically, the sleeve can be partially inserted into the prefabricated floating plate 4, the two sides of the prefabricated floating plate 4 can be arranged in a penetrating mode, fastening bolts are arranged at two ends of the sleeve, the sleeve arranged in a penetrating mode is integrated with the prefabricated floating plate 4, and the connection is more stable.

Specifically, under the structural arrangement that the sleeve penetrates through the prefabricated floating slab, the fastening bolt can partially penetrate into the sleeve and can also penetrate through the two sides of the prefabricated floating slab 4 together with the sleeve to be further stably connected.

Preferably, the fastening bolt can be a wedge-shaped bolt, when the wedge-shaped bolt moves towards the sleeve, threads matched with the wedge shape are synchronously hooked on the inner wall of the sleeve, gapless tight connection with the sleeve is achieved, and the situation that the fastening bolt and the sleeve are loosened and even fall off is avoided. It is worth explaining, the utility model provides a wedge bolt can be applied to above-mentioned "the sleeve part is deep and fastening bolt part is deep, the sleeve part is deep and fastening bolt runs through the setting", "the sleeve runs through the setting and fastening bolt part is deep, the sleeve runs through the setting and fastening bolt runs through the setting" any of above-mentioned condition, does not do the restriction here.

Preferably, telescopic inner wall is equipped with the screw thread, and fastening bolt passes through screw-thread fit with the sleeve to be connected, and is equipped with the stopper on the fastening bolt, and the stopper equals telescopic inner cross-section along fastening bolt's radial cross-section for can compensate the clearance between the screw thread, inject fastening bolt radial movement in the sleeve, prevent to connect not hard up problem because of removing and cause. It should be noted that the preferable sleeve and the fastening bolt provided in this paragraph can be applied to any of the above situations "the sleeve portion is deep and the fastening bolt portion is deep", "the sleeve portion is deep and the fastening bolt is penetratingly disposed", "the sleeve is penetratingly disposed and the fastening bolt portion is deep", "the sleeve is penetratingly disposed and the fastening bolt is penetratingly disposed", and the like, according to the actual installation requirements, which is not limited herein.

Preferably, the fastening assembly 3 further comprises an anti-loose sleeve, a spring gasket and a nut, the nut is arranged at the end of the fastening bolt and is connected with the fastening bolt in a matching mode, the spring gasket is arranged between the nut and the fastening bolt, pretightening force is generated to prevent the overall unbalance of the fastening assembly 3, and the anti-loose effect is achieved. On nut and fastening bolt were located to locking cover, the relative motion between restriction nut and the fastening bolt, even under the vibration or had alternating load's operating mode, the rotation of fastening bolt also can be prevented to the locking cover, and locking effect is more obvious.

It should be noted that one or more layers of the above-mentioned side connection structures may be disposed between two prefabricated floating plates 4 connected to each other, and the fastening components 3 of the side connection structures of the multiple layers may be the same or different combinations.

A prefabricated floating slab 4 assembly used on a steel rail is composed of a plurality of side-mounted connecting structures, and the connected prefabricated floating slab 4 assemblies are arranged along the same direction of a rail, so that the stable and safe vibration absorption effect of the rail is realized.

Four different embodiments of the fastening assembly 3 are provided below.

In a first preferred embodiment, referring to fig. 1-4, a first slot 5 is formed on a side surface of a prefabricated floating slab 4, a second slot 6 is further formed in the slab, and fastening assemblies 3 are arranged in both the first slot 5 and the second slot 6, wherein two layers of fastening assemblies 3 are arranged in the second slot 6. The sleeve part of the fastening component 3 extends into the prefabricated floating plate 4, and the fastening bolt is a wedge bolt.

Second preferred embodiment, referring to fig. 5-7, the prefabricated floating slab 4 is provided with a first slot 5 on the side surface, and a second slot 6 in the slab, and the fastening assemblies 3 are arranged in both the first slot 5 and the second slot 6, wherein two layers of fastening assemblies 3 are arranged in the second slot 6. The sleeve of fastening component 3 runs through the both sides setting of prefabricated formula floating slab 4, and the sleeve both ends are equipped with fastening bolt, and fastening bolt is wedge bolt.

In a third preferred embodiment, referring to fig. 8-11, a first slot 5 is formed in a side surface of a prefabricated floating slab 4, a second slot 6 is further formed in the slab, and fastening assemblies 3 are disposed in both the first slot 5 and the second slot 6, wherein two layers of fastening assemblies 3 are disposed in the second slot 6. The sleeve part of the fastening component 3 goes deep into the prefabricated floating plate 4, the inner wall of the sleeve is provided with threads, the fastening bolt is connected with the sleeve in a threaded fit mode, and a limiting block is arranged on the fastening bolt.

In a fourth preferred embodiment, referring to fig. 12-13, a first slot 5 is formed in a side surface of the prefabricated floating slab 4, a second slot 6 is further formed in the slab, and fastening components 3 are arranged in the first slot 5 and the second slot 6, and the prefabricated floating slab comprises a combination of two fastening components 3, wherein one fastening component 3 is a wedge-shaped bolt with a sleeve part penetrating into the prefabricated floating slab 4, the other fastening component 3 is a sleeve penetrating through two sides of the prefabricated floating slab 4, and the two ends of the sleeve are provided with fastening bolts which are wedge-shaped bolts.

It should be noted that the embodiments of the present invention have better practicability and are not intended to limit the present invention in any way, and any person skilled in the art may change or modify the technical contents disclosed above to equivalent effective embodiments, but all the modifications or equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims (10)

1. The lateral connection structure of the prefabricated floating slab is characterized by comprising a shear plate and a fastening assembly, wherein the shear plate is arranged on the lateral surface of the two connected prefabricated floating slabs, each prefabricated floating slab is connected with the same shear plate through the fastening assembly, and when the lateral surface of each prefabricated floating slab is subjected to an external force, the two prefabricated floating slabs synchronously move through the shear plates;

the fastening assembly comprises a fastening bolt and a sleeve, the sleeve is fixedly arranged in the prefabricated floating slab, and the fastening bolt is connected with the sleeve in a matched mode;

an elastic backing plate is further arranged between the shear plate and the prefabricated floating plate.

2. The side-mounted coupling structure of claim 1, wherein the side surface of the prefabricated floating slab is provided with a first slot, and the bottom of the first slot is a first mounting surface; the elastic backing plate, the shear plate and the fastening assembly are arranged on the first mounting surface of the two connected prefabricated floating plates, and the end part of the fastening assembly is limited in the notch of the first groove.

3. A side coupling structure according to claim 2, wherein a second slot is formed in the plate of the prefabricated floating plate, the second slot includes a second mounting surface and a third mounting surface opposite to the first mounting surface, and the elastic cushion plate, the shear plate and the fastening assembly are disposed on the second mounting surface and the third mounting surface of the two coupled prefabricated floating plates.

4. The side coupling structure according to claim 3, wherein the sleeve is disposed through both sides of the prefabricated floating slab, and the fastening bolt is disposed at both ends of the sleeve.

5. The side attachment structure according to claim 4, wherein the fastening bolts are provided through both sides of the prefabricated floating slab.

6. The side attachment structure according to claim 3 or 5, wherein the fastening bolt is a wedge bolt which is synchronously tightly connected with the sleeve when the wedge bolt runs into the sleeve.

7. The side attachment structure according to claim 3 or 5, wherein the inner wall of the sleeve is provided with threads, and the fastening bolt is connected with the sleeve in a thread fit manner.

8. The side coupling structure according to claim 7, wherein the fastening bolt is provided with a stopper having a radial cross section equal to an inner cross section of the sleeve along the fastening bolt for limiting the fastening bolt to move radially in the sleeve.

9. The side coupling structure according to claim 1, wherein the fastening assembly further comprises an anti-loose sleeve, a spring washer and a nut, and the nut is arranged at two ends of the fastening bolt and is connected with the fastening bolt in a matching way;

the spring gasket is arranged between the nut and the fastening bolt;

the anti-loosening sleeve is arranged on the nut and the fastening bolt to limit the relative movement between the nut and the fastening bolt.

10. A prefabricated floating slab assembly for use on a steel rail, wherein said prefabricated floating slab assembly is formed from a plurality of side hitch structures as claimed in any one of claims 1 to 9.

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