CN105201075A - Split type unidirectional sliding hinge support seat - Google Patents

Abstract

The invention relates to the anti-seismic field of construction engineering, in particular to a split type one-way sliding hinge support. The split one-way sliding hinge support includes a sliding support and a limit structure, wherein the sliding support includes a main body of the support and an upper support plate located on the upper part of the main body of the support. The upper support plate is connected with the upper structure, and the support The main body of the seat is connected with the lower structure; the limiting part includes a chain rod, and the two ends of the chain rod are hingedly connected to the upper structure and the lower structure; The one-way horizontal load realizes the one-way restraint function of the one-way sliding hinge bearing, the structure is simple, the force transmission is clear, and the problem that the existing support may be stuck is eliminated.

Description

A Split Type One-way Sliding Hinge Bearing

technical field

The invention relates to the field of construction engineering supports, in particular to a split type one-way sliding hinge support.

Background technique

The one-way sliding hinge support is a kind of construction engineering support, which can be widely used in buildings, especially for the hinged connection between the roof structure and the lower support structure in long-span structures. The following functions can be realized: ①The support has the ability to rotate in all directions; ②It can transfer the vertical load generated by the upper structure to the lower supporting structure; ③It can transfer the horizontal load in a certain direction generated by the upper structure to the lower supporting structure; ④ It can release the horizontal load in the vertical direction and allow the structure to slide in this horizontal direction.

"Bridge Spherical Bearing" (GB/T17955-2009) provides a one-way sliding hinge bearing, as shown in Figure 1, the one-way sliding hinge bearing is mainly composed of upper bearing plate 01, lower bearing Plate 02, stainless steel plate 03, PTFE plate 04, middle spherical crown plate 05 and baffle plate 06 etc. The one-way sliding hinge support realizes the above-mentioned functions ③ and ④ through the baffle plate 06 on the side of the upper support plate 01, that is, the baffle plate 06 is used to resist the horizontal load perpendicular to the direction of the baffle plate 06 generated by the upper structure, and at the same time The baffle plate 06 plays a guiding role again, so that the bearing can slide along the baffle plate 06 direction. However, since this type of one-way sliding hinge support adopts a baffle structure, the support will be stuck and lose its sliding function when the force is complicated or there is an installation deviation.

Based on the above description, there is an urgent need for a new one-way sliding hinge bearing to solve the problems of the bearing being stuck, Lost swipe functionality issue.

Contents of the invention

In view of this, the object of the present invention is to provide a split type one-way sliding hinge support, which uses a chain rod instead of a baffle, which can prevent the loss of sliding function caused by the support being stuck.

Embodiments of the present invention adopt the following technical solutions:

A split one-way sliding hinge support, including a sliding support and a limit structure, wherein,

The sliding support includes a support main body and an upper support plate located on the upper part of the support main body, the upper support plate is connected to the upper structure, and the support main body is connected to the lower structure;

The restricting part includes a chain rod, and the two ends of the chain rod are hingedly connected to the upper structure and the lower structure respectively; the restricting part restricts the upper support plate to slide in a single direction on the support main body.

Preferably, the limiting part further includes a link connecting rod with one end fixed on the lower surface of the upper structure, one end of the link is hinged to the link connecting rod, and the other end is hinged to the lower structure On the side facing the connecting rod of the chain rod.

As a preference, a first ear plate is fixed on the side end of the connecting rod of the chain bar, a second ear plate is fixed on the side of the lower structure connected to the chain bar, and the two ends of the chain bar are respectively connected by pins. The shaft is connected with the first ear plate and the second ear plate.

Preferably, the number of the first lugs is two, and they are distributed side by side up and down;

The number of the second lugs is two, and they are distributed side by side up and down.

Preferably, an intermediate spherical crown plate is provided between the support body and the upper support plate, and the intermediate spherical crown plate has a planar sliding surface and an arc-shaped sliding surface;

The main body of the support is provided with an arc-shaped pit corresponding to the arc-shaped sliding surface;

The middle spherical crown plate is placed in the arc-shaped recess by means of an arc-shaped sliding surface, and the plane sliding surface of the intermediate spherical crown plate is slidingly fitted with the lower surface of the upper bearing plate.

Preferably, the support main body includes a lower support plate and a boss, the boss is arranged on the lower support plate, and the arc-shaped recess is located at the upper end of the boss; the support main body passes through A lower support plate is connected to the substructure.

Preferably, a first sliding layer is installed between the lower surface of the upper bearing plate and the plane sliding surface of the middle spherical crown plate.

Preferably, the first sliding layer comprises:

A stainless steel plate installed on the upper support plate;

A polytetrafluoroethylene plate is installed on the middle spherical crown plate;

The stainless steel plate is in pressure contact with the polytetrafluoroethylene plate.

Preferably, a second sliding layer is installed between the arc-shaped recess and the arc-shaped sliding surface of the intermediate spherical cap.

Preferably, the upper support plate is connected to the upper structure by bolts or welding;

The support body is connected to the substructure through bolts or welding.

The beneficial technical effect of the technical scheme that the embodiment of the present invention proposes is:

(1) Since the split one-way sliding hinge support provided by this application includes a sliding support and a limit structure, the sliding support includes a main body of the support and an upper support plate located on the upper part of the main body of the support, and the upper support plate It is connected with the upper structure, and the main body of the support is connected with the lower structure; the limiting part includes a chain rod, and the two ends of the chain rod are respectively hinged on the upper structure and the lower structure; At the same time, the one-way horizontal load generated by the upper structure is transmitted, and the one-way restraint function of the one-way sliding hinge support is realized. The structure is simple, the force transmission is clear, and the problem that the existing support may be stuck is completely eliminated.

(2) Since the two ends of the chain rod provided by this application are connected by lug plates and pin shafts, the chain rod can only bear the axial force when the upper support plate slides along the sliding direction.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention For those skilled in the art, other drawings can also be obtained according to the contents of the embodiments of the present invention and these drawings without any creative work.

Fig. 1 is a half-sectional view of a sliding bearing provided by the prior art;

Fig. 2 is a schematic structural view of a split one-way sliding hinge support provided in a specific embodiment of the application;

Fig. 3 is a cross-sectional view of a split-type one-way sliding hinge support provided in a specific embodiment of the application;

Fig. 4 is an exploded view of a split-type one-way sliding hinge support provided by a specific embodiment of the present application.

In the figure,

01-upper support plate, 02-lower support plate, 03-stainless steel plate, 04-polytetrafluoroethylene plate, 05-middle spherical crown plate, 06-baffle plate;

1-upper support plate, 2-lower support plate, 3-middle spherical crown plate, 4-stainless steel plate, 5-polytetrafluoroethylene plate, 6-chain rod, 7A-first pin, 7B-second Pin shaft, 8A-first chain rod sealing plate, 8B-second chain rod sealing plate, 9-chain rod connecting rod, 10A-first lug plate, 10B-second lug plate, 11-upper structure, 12-lower part structure.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

Referring to the embodiment shown in Figures 2 to 4, the split-type one-way sliding hinge support provided by the present application includes a sliding support and a limit structure, wherein the sliding support includes a main body and a The upper upper support plate 1, the upper end of the upper support plate 1 is connected to the upper structure 11, and the lower end of the main body of the support is connected to the lower structure 12; the limiting part includes a chain rod 6, and the two ends of the chain rod 6 are respectively hinged to the upper structure 11 and the lower structure 12; the limiting parts limit the upper bearing plate 1 to slide in one direction on the bearing main body.

In this embodiment, as a preferred solution, the upper support plate 1 and the upper structure 11 are connected by bolts or welding, and the main body of the support and the lower structure 12 are connected by bolts or welding. But it is not limited to this connection method.

In this embodiment, if there is no limiting component, the upper bearing plate 1 can move in any direction relative to the bearing main body. Since the limiting component is set in this application, the limiting component can limit the position of the upper bearing plate 1 in the bearing body. The upper side slides in one direction, and at the same time transmits the one-way horizontal load generated by the superstructure 11, realizing the one-way restraint function of the one-way sliding hinge support. The structure is simple, the force transmission is clear, and the problem that the existing support may be stuck is completely eliminated. .

Specifically, as shown in FIG. 3 , the support body includes a lower support plate 2 and a boss, and the boss is arranged on the lower support plate 2 and is located in the middle of the lower support plate 2 . The support body is connected to the substructure 12 through the lower support plate 2 , that is, preferably the lower support plate 2 is connected to the substructure 12 by bolts or welding. An intermediate spherical crown plate 3 is arranged between the main body of the support and the upper support plate 1, and the intermediate spherical crown plate 3 has a plane sliding surface and an arc sliding surface. The upper surface of the boss of the support main body is provided with an arc-shaped pit corresponding to the arc-shaped sliding surface. The middle spherical crown plate 3 is placed in the arc-shaped pit on the upper surface of the boss by means of an arc-shaped sliding surface to form a matching sliding surface. In this embodiment, the middle spherical crown plate 3 can make the upper bearing plate 1 move relative to the main body of the bearing in any direction and angle. Movement of planar sliding surfaces.

In this embodiment, as another preferred solution, it is also possible not to set a boss on the lower support plate 2, but to set an arc-shaped pit on the lower support plate 2, so that the arc shape of the middle spherical crown plate 3 The sliding surface is directly placed in the arc-shaped pit on the lower support plate 2, but this solution needs to adjust the thickness of the middle spherical crown plate 3.

In this embodiment, as another preferred solution, it is also possible not to set an intermediate spherical crown plate 3 between the main body of the support and the upper support plate 1, but to directly set an arc-shaped slide on the lower surface of the upper support plate 1. surface, and an arc-shaped pit corresponding to the arc-shaped sliding surface is set on the upper surface of the boss, and the arc-shaped sliding surface of the upper support plate 1 is directly placed in the arc-shaped pit of the boss.

In this embodiment, preferably, a first sliding layer is installed between the lower surface of the upper support plate 1 and the plane sliding surface of the middle spherical crown plate 3 to improve the sliding effect.

Preferably, the first sliding layer includes a stainless steel plate 4 and a polytetrafluoroethylene plate 5, the stainless steel plate 4 is installed on the lower surface of the upper support plate 1, and the polytetrafluoroethylene plate 5 is installed on the plane sliding surface of the middle spherical crown plate 3 On the surface, the stainless steel plate 4 is in pressure contact with the polytetrafluoroethylene plate 5 to realize sliding.

In this implementation, as a preferred solution, a first groove is provided on the lower surface of the upper support plate 1, and the stainless steel plate 4 is installed in the first groove, wherein the part of the stainless steel plate 4 is located in the first groove The part protrudes outside the first groove. Similarly, a second groove can also be set on the plane sliding surface of the middle spherical crown plate 3, and the polytetrafluoroethylene plate 5 is installed in the second groove, wherein the part of the polytetrafluoroethylene plate 5 is located in the second concave In the groove, a part protrudes outside the second groove.

In order to further improve the sliding effect, the area of the polytetrafluoroethylene plate 5 is smaller than that of the stainless steel plate 4 .

Further, a second sliding layer to improve the sliding effect can also be installed between the arc-shaped recess and the arc-shaped sliding surface of the intermediate spherical crown plate 3 . The second sliding layer adopts the same setting as the first sliding layer, and also includes a polytetrafluoroethylene plate 5 and a stainless steel plate. The polytetrafluoroethylene plate 5 is installed on the arc-shaped sliding surface of the middle spherical crown plate 3, and the stainless steel plate Installed in a curved pit.

In this embodiment, preferably, the limiting part further includes a link connecting rod 9, one end of which is fixed on the lower surface of the upper structure 11, and the other end is suspended in the air. One end of the chain rod 6 is hinged on the chain rod connecting rod 9 , and the other end is hinged on the side surface of the lower structure 12 facing the chain rod connecting rod 9 .

Specifically, a first lug plate 10A is fixed on the side end of the chain rod connecting rod 9 , and a second lug plate 10B is fixed on the side surface of the lower structure 12 connected to the chain rod 6 . First connecting holes are respectively provided at the floating ends of the first lug plate 10A and the second lug plate 10B. One end of the chain rod 6 is provided with a first chain rod sealing plate 8A, and the first chain rod sealing plate 8A and the chain rod 6 are preferably connected by welding. The first chain bar sealing plate 8A comprises a vertical plate and a horizontal plate, the vertical plate and the horizontal plate are perpendicular to each other, the vertical plate and the chain bar 6 are welded together, and the first ear plate 10A is arranged on the horizontal plate. For the second connecting hole corresponding to the connecting hole, during installation, one end of the chain rod 6 is hingedly connected to the first ear plate 10A through the first pin shaft 7A. Specifically, the first pin shaft 7A sequentially passes through the first connecting hole of the first lug plate 10A and the second connecting hole of the horizontal plate. After the connection is completed, the chain rod 6 can rotate around the first ear plate 10A within a certain angle range by using the first pin shaft 7A as a rotating shaft.

The other end of the chain rod 6 is provided with a second chain rod sealing plate 8B, and the second chain rod sealing plate 8B and the chain rod 6 are preferably connected by welding. The second chain bar sealing plate 8B comprises a vertical plate and a horizontal plate, the vertical plate and the horizontal plate are perpendicular to each other, the vertical plate and the chain bar 6 are welded together, and the first joint with the second ear plate 10B is arranged on the horizontal plate. For the second connecting hole corresponding to the connecting hole, during installation, one end of the chain rod 6 is hinged to the second ear plate 10B through the second pin shaft 7B. Specifically, the second pin shaft 7B passes through the first connection hole of the second ear plate 10B and the second connection hole of the horizontal plate in sequence. After the connection is completed, the chain rod 6 can rotate around the second ear plate 10B within a certain angle range by using the second pin shaft 7B as a rotating shaft.

Preferably, there are two first lug plates 10A, which are arranged side by side up and down; similarly, there are two second lug plates 10B, which are arranged side by side up and down. Of course, the number of the first ear plate 10A and the second ear plate 10B is not limited to two, and can also be one, three, four, etc. In addition, the first ear plate 10A and the second ear plate 10B can also be Set vertically. When distributed vertically, joint bearings need to be placed in the ear plate holes.

The upper support plate 1 is limited to slide in one direction on the main body of the support through the limiting parts provided in the above embodiments, and at the same time, the one-way horizontal load generated by the upper structure 11 is transmitted, so that the one-way restraint function of the one-way sliding hinge support is realized, and the structure Simple, clear force transmission, completely eliminates the problem of possible jamming of existing supports. Moreover, the split type one-way sliding hinge support provided by the invention has the advantages of simple structure, clear force transmission, smooth sliding and wide application range.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (10)

1. A split-type one-way sliding hinge bearing, comprising a sliding bearing and a limit structure, characterized in that: The sliding support includes a support main body and an upper support plate located on the upper part of the support main body, the upper support plate is connected to the upper structure, and the support main body is connected to the lower structure; The restricting part includes a chain rod, and the two ends of the chain rod are hingedly connected to the upper structure and the lower structure respectively; the restricting part restricts the upper support plate to slide in a single direction on the support main body. 2. The split type one-way sliding hinge support according to claim 1, characterized in that, the limiting part further comprises a chain rod connecting rod with one end fixed on the lower surface of the superstructure, and one end of the chain rod is hinged. It is connected to the connecting rod of the chain rod, and the other end is hingedly connected to the side surface of the lower structure facing the connecting rod of the chain rod. 3. The split-type one-way sliding hinge support according to claim 2, characterized in that, the side end of the connecting rod of the chain rod is fixed with a first lug plate, and a part of the lower structure connected to the chain rod A second lug plate is fixed on the side, and the two ends of the chain rod are respectively connected with the first lug plate and the second lug plate through pin shafts. 4. The split type one-way sliding hinge support as claimed in claim 3, characterized in that, The number of the first lugs is two, and they are distributed side by side up and down; The number of the second lugs is two, and they are distributed side by side up and down. 5. The split type one-way sliding hinge support according to claim 1, characterized in that, An intermediate spherical crown plate is provided between the support body and the upper support plate, and the intermediate spherical crown plate has a plane sliding surface and an arc sliding surface; The main body of the support is provided with an arc-shaped pit corresponding to the arc-shaped sliding surface; The middle spherical crown plate is placed in the arc-shaped recess by means of an arc-shaped sliding surface, and the plane sliding surface of the intermediate spherical crown plate is slidingly fitted with the lower surface of the upper bearing plate. 6. The split-type one-way sliding hinge support according to claim 5, wherein the main body of the support comprises a lower support plate and a boss, and the boss is arranged on the lower support plate, The arc-shaped pit is located at the upper end of the boss; the main body of the support is connected with the lower structure through the lower support plate. 7. The split-type one-way sliding hinge bearing according to claim 5, wherein a first sliding layer is installed between the lower surface of the upper bearing plate and the plane sliding surface of the middle spherical crown plate . 8. The split type one-way sliding hinge support according to claim 7, wherein the first sliding layer comprises: A stainless steel plate installed on the upper support plate; A polytetrafluoroethylene plate is installed on the middle spherical crown plate; The stainless steel plate is in pressure contact with the polytetrafluoroethylene plate. 9. The split-type one-way sliding hinge support according to claim 5, wherein a second sliding layer is installed between the arc-shaped recess and the arc-shaped sliding surface of the intermediate spherical crown plate. 10. The split type one-way sliding hinge support according to any one of claims 1 to 9, characterized in that, The upper support plate is connected to the upper structure by bolts or welding; The support body is connected to the substructure through bolts or welding.