Novel self-locking double-guide limiting support

Abstract

The utility model provides a novel self-locking double-guide limiting support which comprises an upper support plate assembly and a lower support plate assembly which are oppositely arranged, a spherical crown lining plate assembly arranged between the upper support plate assembly and the lower support plate assembly, and double-guide sliding assemblies arranged on the two sides of the upper support plate assembly and the two sides of the lower support plate assembly respectively. The double-guide sliding assembly comprises bosses extending out of the two sides of the lower support plate assembly, grooves formed in the tops of the two bosses, supporting legs extending out of the two sides of the bottom face of the upper support plate assembly and extending into the grooves, and stainless steel plates arranged on the two side faces of the grooves correspondingly. The wear-resisting plates are arranged on the two side faces of the support respectively, correspond to the stainless steel plates, make contact with the stainless steel plates and have the freedom degree of sliding relative to the stainless steel plates.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge bearing technical field relates to a double -guide limit support especially is a new -type self -locking double -guide limit support. BACKGROUND

[0002] Bridge bearing is the important structural component of connecting bridge superstructure and substructure, is located between bridge and cushion stone, it can reliably transmit the load and deformation (displacement and rotation angle) of bridge superstructure to bridge substructure, is the important force transmission device of bridge.

[0003] In prior art, bridge bearing adopts single -guide limit mode to limit support, this single -guide limit mode is to set SF-1B board material on the convex platform side of the left and right sides of lower support plate assembly, set stainless steel plate on the foot side of upper support plate assembly, the SF-1B board material of the two sides of lower support plate assembly and the stainless steel plate of the two sides of upper support plate assembly can only form unidirectional limit on the single side of support plate assembly, the stability is slightly poor when this single -guide limit mode bears load and deformation, and there is certain sliding hysteresis in the deformation process, and it is inconvenient to slide, in addition, long -term single -side extrusion stress can cause abrasion of stainless steel plate and SF-1B board material, and the service life of the two is reduced. Based on this, it is necessary to provide a limit support with good stability, convenient sliding and long service life. SUMMARY

[0004] The utility model aims at providing a new -type self -locking double -guide limit support to solve the technical problem of unidirectional limit in prior art, which is slightly poor in stability when bearing load and deformation, has sliding hysteresis in the deformation process, is inconvenient to slide, and the service life of sliding assembly is low.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows:

[0006] A new -type self -locking double -guide limit support, which comprises oppositely arranged upper support plate assembly and lower support plate assembly, a spherical cap lining plate assembly arranged between the upper support plate assembly and the lower support plate assembly, and double -guide sliding assemblies arranged on the two sides of the upper support plate assembly and the lower support plate assembly respectively, the double -guide sliding assemblies comprise convex platforms extending from the two sides of the lower support plate assembly, grooves arranged on the top of the two convex platforms, feet extending from the two sides of the bottom surface of the upper support plate assembly and extending into the grooves, stainless steel plates arranged on the two side surfaces of the grooves respectively, and wear-resistant plates arranged on the two side surfaces of the brackets respectively and corresponding to the stainless steel plates, the wear-resistant plates are in contact with the stainless steel plates and have the freedom of sliding relative to the stainless steel plates.

[0007] The side of the wear plate is tightly matched with the inlay groove, and the other side is in contact with the stainless steel plate.

[0008] The bottom of the lug is provided with a threaded hole corresponding to the threaded through hole, and the lug and the lug are locked and fixed through the locking bolt, the threaded through hole and the threaded hole.

[0009] The upper support plate assembly is connected with the beam bottom bolt assembly connected with the bridge at both ends.

[0010] The lower support plate assembly is connected with the pier top bolt assembly connected with the cushion stone at both ends.

[0011] The wear plate is a modified ultra-high molecular weight polyethylene plate.

[0012] The utility model discloses a novel self-locking double-guide limiting support, which is provided with double-guide sliding assemblies on the two sides (i.e. the two sides of the bridge body) of the support plate assembly, so that the single side of the upper support plate assembly and the lower support plate assembly has the function of double-guide limiting.

[0013] In the double-guide sliding assembly, the stainless steel plate and the wear plate are slidably connected, which can effectively improve the smoothness of the relative sliding of the two, and the threaded through hole and the threaded hole are arranged, so that the relative position of the upper support plate assembly and the lower support plate assembly can be locked and fixed by using the locking bolt during transportation of the support plate assembly, preventing the relative rotation of the two during transportation and avoiding the adverse effect on the assembly height of the support. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the main body structure of the utility model;

[0015] Figure 2 It is a partial enlarged view of the double-guide sliding assembly of the utility model.

[0016] Marked in the figure: 1, the upper support plate assembly, 101, the foot, 2, the lower support plate assembly, 201, the boss, 202, the groove, 3, the spherical cap lining plate assembly, 4, stainless steel plate, 5, wear plate, 6, locking bolt, 7, beam bottom bolt assembly, 8, pier top bolt assembly. DETAILED DESCRIPTION

[0017] In order to better understand the purpose, structure and function of the utility model, the utility model will be described in further detail below with reference to the drawings.

[0018] As Figure 1 and Figure 2 shown, the utility model provides a novel self-locking double-guiding limiting support, it includes upper support plate assembly 1, lower support plate assembly 2 of opposite arrangement, constitute the main body of support plate assembly, the spherical cap lining plate assembly 3 of setting between upper support plate assembly 1 and lower support plate assembly 2 and the double-guiding sliding assembly of setting respectively in the two sides of upper support plate assembly 1 and lower support plate assembly 2, the setting of double-guiding sliding assembly can make upper support plate assembly 1 and lower support plate assembly 2 when bridge body is subjected to load and deformation, on both sides of the two respectively simultaneously guiding, limiting and sliding, to improve the stability of support plate assembly, and then improve the stability of bridge body, reduce the stress deformation of unilateral guiding sliding assembly, prolong service life;

[0019] Specifically, the double-guiding sliding assembly includes the foot 101 that stretches out from the bottom surface both sides of upper support plate assembly 1, the boss 201 that stretches out from the both sides of lower support plate assembly 2, the recess 202 that is set on the top surface of boss 201 and stretches into foot 101, the stainless steel plate 4 that is respectively set on the both sides of recess 202 and the wear plate 5 that is respectively set on the both sides of bracket and corresponds with stainless steel plate 4, the wear plate 5 contacts with stainless steel plate 4 and has the freedom degree of sliding relative to stainless steel plate 4, in the embodiment, preferably wear plate 5 is modified ultra-high molecular weight polyethylene plate. By setting recess 202 on boss 201, foot 101 is stretched into recess 202, which is used to provide initial limiting for upper support plate assembly 1, in the contact and cooperation of stainless steel plate 4 and wear plate 5, respectively set in the gap on both sides of recess 202 and foot 101, fill the gap on both sides, make the unilateral of support plate assembly have the function of bidirectional guiding and sliding, thereby forming two groups of symmetrical double-guiding limiting on both sides of support plate assembly, improve the guiding ability and stability of support plate assembly when bearing load and deformation, and then improve the stability of bridge.

[0020] Further, as Figure 2 shown, in order to limit wear plate 5 on foot 101, in the embodiment, the side surface of bracket is provided with inlay groove, one side of wear plate 5 is tightly matched with inlay groove, and the other side is in contact with stainless steel plate 4.

[0021] In addition, in order to avoid relative rotation or swing in the process of transporting the support plate assembly to the bridge construction site, the recess 202 of the boss 201 is provided with a threaded hole at the bottom, and the bottom of the supporting leg 101 is provided with a threaded hole corresponding to the threaded hole. Before transportation, the locking bolt 6 is used to pass through the threaded hole and the threaded hole to lock, so that the assembly height of the support plate assembly is prevented from changing. When transported and installed in place, the locking bolt 6 is removed from the support plate assembly, so that the stainless steel plate 4 and the wear-resistant plate 5 have the freedom of relative sliding to meet the displacement of the support and realize double-directional limiting

[0022] Further, the upper support plate assembly 1 needs to be connected with the bridge body, and in the embodiment, the beam bottom bolt assembly 7 connected with the bridge is arranged at both ends of the upper support plate assembly 1. The upper support plate assembly 1 is connected with the bridge body through the beam bottom bolt assembly 7.

[0023] Further, the lower support plate assembly 2 needs to be connected with the top of the pier, and in the embodiment, the pier top bolt assembly 8 is arranged at both ends of the lower support plate assembly 2. When connected, the pier top bolt assembly 8 is inserted into the bolt hole reserved in the top of the pier, and then pouring is performed.

[0024] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A new type of self-locking double-guiding limiting support, characterized in that: It includes oppositely arranged upper support plate assembly (1), lower support plate assembly (2), the spherical cap lining plate assembly (3) arranged between the upper support plate assembly (1) and the lower support plate assembly (2), and the double guide sliding assembly arranged on both sides of the upper support plate assembly (1) and the lower support plate assembly (2) respectively, the double guide sliding assembly includes the boss (201) extending from both sides of the lower support plate assembly (2), the recess (202) arranged on the top of the boss (201), the support leg (101) extending from both sides of the bottom surface of the upper support plate assembly (1) and extending into the recess (202), the stainless steel plate (4) arranged on both sides of the recess (202) respectively, and the wear-resistant plate (5) arranged on both sides of the bracket and corresponding to the stainless steel plate (4) respectively, the wear-resistant plate (5) is in contact with the stainless steel plate (4) and has the freedom of sliding relative to the stainless steel plate (4).

2. A new self-locking double-guiding limiting support according to claim 1, characterized in that: The side of the wear-resistant plate (5) is tightly matched with the inlay groove, and the other side is in contact with the stainless steel plate (4).

3. The novel self-locking double-guiding limiting support according to claim 1, characterized in that: The recess (202) bottom of the boss (201) is provided with a threaded through hole, the bottom of the support leg (101) is provided with a threaded hole corresponding to the threaded through hole, and the boss (201) and the support leg (101) are locked and fixed through the locking bolt (6) and the threaded through hole and the threaded hole.

4. The novel self-locking double-guiding limiting support according to claim 1, characterized in that: Both ends of the upper support plate assembly (1) are respectively connected with the beam bottom bolt assembly (7) connected with the bridge.

5. The novel self-locking double-guiding limiting support according to claim 1, characterized in that: Both ends of the lower support plate assembly (2) are respectively connected with the pier top bolt assembly (8) connected with the cushion stone.

6. A new self-locking double-guiding limiting support according to claim 1, characterized in that: The wear-resistant plate (5) is a modified ultra-high molecular weight polyethylene plate.

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