Alloy heightened bridge support

Abstract

The utility model discloses an alloy heightened bridge support which comprises a lower support plate and a middle support plate, an upper support plate is arranged at the top of the lower support plate, a sliding seat is arranged at the bottom of the upper support plate, a filling cavity is formed in the inner wall of the bottom of the sliding seat, the top of the middle support plate is located in the filling cavity, an annular groove is formed in the top of the middle support plate, and the middle support plate is arranged in the annular groove. A radial groove is formed between every two adjacent annular grooves, connectors distributed in a central symmetry mode are formed in the side wall of the middle support plate, and channel holes are formed between the connectors and the annular grooves. The concentric annular grooves are formed in the top of the middle support plate, the annular grooves are communicated with one another through the radial grooves, and the channel holes communicated with the annular grooves are formed in the middle support plate, so that alloy can be injected into the filling cavity through the channel holes, the alloy injection time is shortened, and the alloy injection efficiency is improved. And the efficiency of the support during height adjustment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge bearing technical field, concretely relates to alloy height -adjusting bridge bearing. BACKGROUND

[0002] Bridge bearing is a kind of supporting device commonly used in bridge construction, and can change the self-vibration period of upper structure through bridge bearing during earthquake, and reduce the damage of earthquake to bridge structure through the friction energy dissipation of friction pair.

[0003] During bridge construction, bridge is adjusted in height by bridge bearing, and currently common is the mode of alloy into the inside of support to realize height adjustment, but the efficiency of alloy into support is relatively slow, and then the height adjustment efficiency of support is relatively low.Therefore, it is urgent to design an alloy height-adjusting bridge bearing to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an alloy height-adjusting bridge bearing to solve the above problems in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An alloy height-adjusting bridge bearing, comprising a lower support plate and a middle support plate, the top of the lower support plate is provided with an upper support plate, the bottom of the upper support plate is provided with a sliding seat, the bottom inner wall of the sliding seat is provided with a filling cavity, the top of the middle support plate is located in the inside of the filling cavity, the top of the middle support plate is provided with an annular groove, radial grooves are arranged between adjacent two annular grooves, the side wall of the middle support plate is provided with a center-symmetrically distributed interface, and a channel hole is arranged between the interface and the annular groove.

[0007] Further, the bottom of the upper support plate is provided with a sliding groove, the top of the sliding seat slides in the inside of the sliding groove, the top inner wall of the sliding groove is fixed with a metal plate, the top outer wall of the sliding seat is provided with a placing groove, and the inside of the placing groove is fixed with a friction plate.

[0008] Further, the friction plate comprises a friction layer, the top outer wall of the friction layer is provided with a groove, and the bottom of the friction layer is provided with a heat conduction layer.

[0009] Further, the metal plate comprises a stainless steel plate, the bottom of the stainless steel plate is provided with a carburizing layer, and the bottom outer wall of the carburizing layer is provided with a nitriding layer.

[0010] Further, a spherical crown lining plate is arranged between the middle support plate and the lower support plate, and the top of the spherical crown lining plate is arc-shaped.

[0011] Further, a sealing groove is arranged around the top of the middle support plate, and a sealing ring is arranged in the sealing groove.

[0012] In the above technical scheme, the alloy height-adjustable bridge support has the beneficial effects that: the concentric annular grooves are arranged on the top of the middle support plate, the annular grooves are communicated with each other through the radial grooves, the channel holes are arranged in the middle support plate and communicated with the annular grooves, the alloy can be hammered into the filling cavity through the channel holes, the time for hammering the alloy is shortened, and the efficiency of height adjustment of the support is improved; the grooves on the friction layer improve the friction performance of the friction plate, and the particles generated when the friction plate rubs can enter the grooves, so that the particles do not affect the friction effect; the carburizing layer and the nitriding layer are arranged on the bottom of the metal plate, so that the metal plate is not easy to be abraded when rubbing with the friction plate, and the service life of the metal plate is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0014] Figure 1 The cross-sectional structure schematic diagram of the alloy height-adjustable bridge support is provided.

[0015] Figure 2 The sliding groove structure schematic diagram of the alloy height-adjustable bridge support is provided.

[0016] Figure 3 The middle support plate structure schematic diagram of the alloy height-adjustable bridge support is provided.

[0017] Figure 4 The metal plate structure schematic diagram of the alloy height-adjustable bridge support is provided.

[0018] Figure 5 The structure schematic diagram of A of the alloy height-adjustable bridge support is provided.

[0019] Explanation of reference signs:

[0020] 1 lower support plate, 2 middle support plate, 3 upper support plate, 4 filling cavity, 5 sliding seat, 6 channel hole, 7 annular groove, 8 radial groove, 9 interface, 10 placing groove, 11 friction plate, 12 heat conduction layer, 13 friction layer, 14 groove, 15 metal plate, 16 sealing groove, 17 sealing ring, 18 spherical cap lining plate, 19 stainless steel plate, 20 carburized layer, 21 nitriding layer, 22 sliding groove. DETAILED DESCRIPTION

[0021] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with the help of the accompanying drawings.

[0022] As Figures 1-5 shown in the utility model embodiment provides a kind of alloy to be adjusted high bridge support, including lower support plate 1 and middle support plate 2, the top of lower support plate 1 is provided with upper support plate 3, the bottom of upper support plate 3 is provided with sliding seat 5, and filling cavity 4 is opened in the bottom inner wall of sliding seat 5, and the top of middle support plate 2 is located inside filling cavity 4, the top of middle support plate 2 is provided with annular groove 7, radial groove 8 is arranged between adjacent two annular grooves 7, and interface 9 that is centrally symmetric distribution is opened in the side wall of middle support plate 2, and channel hole 6 is arranged between interface 9 and annular groove 7.

[0023] Specifically, in the embodiment, the lower support plate 1 is fixed with the pier, the top of the lower support plate 1 is provided with the upper support plate 3, the upper support plate 3 is fixed with the bridge, the bottom of the upper support plate 3 is provided with the sliding seat 5, the sliding seat 5 and the upper support plate 3 can slide, the bottom inner wall of the sliding seat 5 is provided with the filling cavity 4, the inside of the filling cavity 4 can be filled with low-melting-point alloy, the alloy pressed in is a solid low-melting-point alloy, the solid low-melting-point alloy is relatively soft, and the alloy and the support do not need to be heated in the height adjusting process by utilizing the characteristic that the alloy is easy to deform under high pressure, the top of the middle support plate 2 is located in the inside of the filling cavity 4, the middle support plate 2 is adapted with the filling cavity 4, the side wall of the middle support plate 2 is attached to the inner wall of the filling cavity 4, so that the alloy in the inside of the filling cavity 4 cannot flow out from the gap between the side wall of the middle support plate 2 and the inner wall of the filling cavity 4, the top of the middle support plate 2 is provided with the annular groove 7, the annular groove 7 has a plurality of concentric circles, a radial groove 8 is arranged between adjacent two annular grooves 7, the plurality of annular grooves 7 are connected to each other through the radial groove 8, the side wall of the middle support plate 2 is provided with the interface 9 which is centrally symmetrically distributed, the inner wall of the interface 9 is provided with threads, so that the pipeline for filling the alloy can be connected, after the alloy is filled, the interface 9 needs to be plugged by using a screw plug, so that the height of the support is kept fixed, the number of the interface 9 is 4-8, preferably 8, the passage hole 6 is arranged between the interface 9 and the annular groove 7, so that the alloy can enter the filling cavity 4 from the passage hole 6, the number of the passage hole 6 is the same as that of the interface 9, the problem that the alloy filling efficiency is low in the prior art is solved, and the top of the support plate 2 in the prior art is smooth, so that the alloy cannot be diffused in time after being filled into the filling cavity 4, the alloy can be diffused in time when entering the filling cavity 4 through the plurality of annular grooves 7, and the alloy filling efficiency is improved, the top of the middle support plate 2 is provided with the sealing groove 16, the sealing ring 17 is arranged in the inside of the sealing groove 16, and the sealing performance between the middle support plate 2 and the filling cavity 4 is better by utilizing the sealing ring 17.

[0024] The alloy height-adjustable bridge support provided by the utility model has the advantages that a plurality of concentric annular grooves 7 are arranged on the top of the middle support plate 2, the plurality of annular grooves 7 are connected to each other through the radial groove 8, a plurality of passage holes 6 which are connected with the annular grooves 7 are arranged in the inside of the middle support plate 2, the alloy can be filled into the inside of the filling cavity 4 through the plurality of passage holes 6, the alloy filling time is shortened, and the height adjusting efficiency of the support is improved.

[0025] The utility model provides a further embodiment provided by the utility model discloses a sliding seat 5 is arranged on the top of the upper support plate 3, and the sliding seat 5 is slidably arranged in the sliding groove 22, and the width of the sliding groove 22 is adapted to the sliding seat 5, and the sliding seat 5 can slide along the length direction of the sliding groove 22, so that when the earthquake shakes the bridge, the upper support plate 3 can reduce the damage to the pier by sliding with the sliding seat 5, the top inner wall of the sliding groove 22 is fixed with the metal plate 15, the top outer wall of the sliding seat 5 is provided with the placing groove 10, the inside of the placing groove 10 is fixed with the friction plate 11, and the friction force when the sliding seat 5 slides relative to the upper support plate 3 is increased by the friction plate 11, so that the energy of the earthquake acting on the bridge is consumed by friction.

[0026] Working principle: by setting a plurality of concentric annular grooves 7 on the top of the middle support plate 2, and by the radial groove 8, a plurality of annular grooves 7 are communicated with each other, and a plurality of channel holes 6 communicated with the annular groove 7 are arranged in the middle support plate 2, so that the alloy can be hammered into the inside of the filling cavity 4 through a plurality of channel holes 6, the time of hammering alloy is shortened, and the efficiency of the support in heightening is improved; through the groove 14 on the friction layer 13, on the one hand, the friction performance of the friction plate 11 is improved, and at the same time, the particles generated when the friction plate 11 rubs can enter the inside of the groove 14, preventing the particles from affecting the friction effect; by setting the carburizing layer 20 and the nitriding layer 21 on the bottom of the metal plate 15, the metal plate 15 is not easy to wear when rubbing with the friction plate 11, and the service life of the metal plate is prolonged.

[0027] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. An alloyed height-adjustable bridge bearing, characterized in that The utility model provides a bearing plate, including lower support plate (1) and middle support plate (2), the top of lower support plate (1) is provided with upper support plate (3), the bottom of upper support plate (3) is provided with sliding seat (5), the bottom inner wall of sliding seat (5) is opened to fill cavity (4), the top of middle support plate (2) is located inside fill cavity (4), the top of middle support plate (2) is provided with annular groove (7), is provided with radial slot (8) between adjacent two annular grooves (7), the sidewall of middle support plate (2) is opened to the interface (9) of center symmetry distribution, is provided with passageway hole (6) between interface (9) and annular groove (7).

2. An alloyed high-toughness bridge bearing according to claim 1, characterized in that The bottom of upper support plate (3) is provided with sliding slot (22), the top of sliding seat (5) is slid in the inside of sliding slot (22), the top inner wall of sliding slot (22) is fixed with metal plate (15), the top outer wall of sliding seat (5) is provided with placement groove (10), the inside of placement groove (10) is fixed with friction plate (11).

3. An alloyed high-toughness bridge bearing according to claim 2, characterized in that The friction plate (11) includes friction layer (13), the top outer wall of friction layer (13) is provided with groove (14), the bottom of friction layer (13) is provided with heat conduction layer (12).

4. An alloyed high-toughness bridge bearing according to claim 2, characterized in that The metal plate (15) includes stainless steel plate (19), the bottom of stainless steel plate (19) is provided with carburizing layer (20), the bottom outer wall of carburizing layer (20) is provided with nitriding layer (21).

5. An alloyed high-toughness bridge bearing according to claim 1, characterized in that The middle support plate (2) and lower support plate (1) are provided with spherical crown lining plate (18), the top of spherical crown lining plate (18) is arc.

6. An alloyed high-toughness bridge bearing according to claim 1, characterized in that The top of middle support plate (2) is provided with sealing groove (16) around, the inside of sealing groove (16) is provided with sealing ring (17).

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