阅读说明：本技术 一种全金属弹性支承垫 (A kind of all-metal elastic bearing pad ) 是由 陈时虎 徐心宇 陈磊 刘永超 丁洋 刘永 于 2019-09-10 设计创作，主要内容包括：本发明涉及弹性支承、减振隔振技术领域,尤其为一种全金属弹性支承垫,包括第一支座、第二支座、环形弹簧和挡圈,所述第一支座的底部设有上椭圆弧形槽,所述第一支座的端面上设有上支承面和定位凸台,所述定位凸台的中间开设有台阶孔和坡口,所述第二支座的端面上开设有下椭圆弧形槽,所述下椭圆弧形槽的内侧并且位于第二支座的端面中心处固定设有下支承面和凸台,本发明通过设计全金属弹性支承垫取代既有轴向橡胶垫,相比较轴向橡胶垫,全金属弹性支承垫具有与轴向橡胶垫相同的变形自由度,性能不受气温变化影响,几乎不产生永久变形,不老化,性能稳定,具有更长的检修周期；为全金属结构,制造、维修、报废处置过程更加环保。(The present invention relates to elastic bearings, vibration damping and vibration isolation technical field, in particular a kind of all-metal elastic bearing pad, including the first support, second support, ring spring and retaining ring, the bottom of first support is equipped with upper ellipse arc slot, the end face of first support is equipped with upper bearing surface and positioning convex platform, the centre of the positioning convex platform offers stepped hole and groove, lower ellipse arc slot is offered on the end face of second support, the inside of the lower ellipse arc slot and be located at the second support end face center at be fixed with lower support surface and boss, the present invention replaces existing axial rubber pad by design all-metal elastic bearing pad, compare axial rubber pad, all-metal elastic bearing pad has deformation freedom degree identical with axial rubber pad, performance is not influenced by temperature change, it is nearly free from permanent deformation, not aging, performance is steady It is fixed, there is the longer time between overhauls(TBO)；For all-metal structure, manufactures, repairs, to scrap disposal process more environmentally-friendly.)

1. a kind of all-metal elastic bearing pad, including the first support (1), the second support (2), ring spring (3) and retaining ring (4), It is characterized by: the bottom of first support (1) is equipped with upper ellipse arc slot (5), set on the end face of first support (1) There are upper bearing surface (6) and positioning convex platform (7), the centre of the positioning convex platform (7) offers stepped hole (8) and groove (9), described It offers lower ellipse arc slot (10) on the end face of second support (2), the inside of the lower ellipse arc slot (10) and is located at Lower support surface (11) and boss (12), the outer wall and groove of the boss (12) are equipped at the end face center of second support (2) It is (9) corresponding that around offering arc groove (13), the intermediate fixation of the boss (12) is offered mounting hole (14), and described second The outer wall of boss (12) on seat (2) passes through the inside of stepped hole (8), and the ring spring (3) is assemblied in ellipse arc slot (5) between lower ellipse arc slot (10), the retaining ring (4) is assemblied in the outside of arc groove (13), ring spring (3) packet Ring spring (15) and connecting spring (16) are included, the connecting spring (16) screws in the inside of ring spring (15).

2. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: first support (1) and Two supports (2) are annular element.

3. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: first support (1), second Support (2), ring spring (3) and retaining ring (4) are for metal material.

4. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: the ring spring (15) is by common Coil spring stewing is made, and spring wire section is round or oblong.

5. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: the connecting spring (16) is one Section diameter is less than the cylindrical spring of ring spring (15), and spring wire section is circle.

6. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: the boss (12) and first There are radial clearances between seat (1) and stepped hole (8).

7. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: the upper ellipse arc slot (5), Upper bearing surface (6), positioning convex platform (7), stepped hole (8) and groove (9) are made by processing the first support (1).

8. a kind of all-metal elastic bearing pad according to claim 1, it is characterised in that: the lower ellipse arc slot (10), lower support surface (11), boss (12), arc groove (13) and mounting hole (14) are made by processing the second support (2).

Technical field

The present invention relates to elastic bearing, vibration damping and vibration isolation technical field, specially a kind of all-metal elastic bearing pad.

Background technique

Railway transportation is a kind of green, efficient, economic, sustainable means of transportation, and either passenger traffic or shipping is close Year is all developed rapidly.With the change of national economy transition and logistics mode, market is for undertaking Railway Freight Transportation Vehicle more stringent requirements are proposed --- higher serviceability, longer time between overhauls(TBO), smaller maintenance load, system It makes more environmentally protective etc. with maintenance section.Bogie using cross support technology is that the principal mode of China Railway Freight vehicle turns To frame, account for about the 90% of china railway goods stock.Axial rubber pad is that cross-braced bogie keeps certain diamond resistant rigidity Important accessory, each lorry are filled with 16, and technical performance has important shadow to the riding quality and safety of railway traffic of vehicle It rings.However, since there are certain high temperature performance difference, long-duration loads to act on the lower deformation of creep, in natural ring for rubber product Under border the problems such as aging cracking, for being kept for the time between overhauls(TBO) of vehicle performance, extension vehicle adversely affect；In addition, rubber It the production process of accessory and scraps place and is equipped with certain pollution, not only the axial rubber pad of configuration in railroad truck needs It employs new technology and solves the above problems, it is numerous soft using rubber material realization in rolling stock and other field mechanical system Property connection, subtract the aftermarket product of vibration isolation, there is also use all-metal structure to substitute rubber material with improve reliability, weatherability, The problem of reducing pollution environment.

In conclusion the present invention solves the problems, such as to exist by designing a kind of all-metal elastic bearing pad.

Summary of the invention

The purpose of the present invention is to provide a kind of all-metal elastic bearing pads, to solve mentioned above in the background art ask Topic.

To achieve the above object, the invention provides the following technical scheme:

A kind of all-metal elastic bearing pad, including the first support, the second support, ring spring and retaining ring, described first The bottom of seat is equipped with upper ellipse arc slot, and the end face of first support is equipped with upper bearing surface and positioning convex platform, the positioning The centre of boss offers stepped hole and groove, and lower ellipse arc slot is offered on the end face of second support, ellipse under described The inside of arc-shaped slot and be located at the second support end face center at be equipped with lower support surface and boss, the outer wall of the boss with Groove is corresponding around arc groove is offered, and the intermediate fixation of the boss offers location hole, the boss on second support Outer wall pass through the inside of the first support stepped hole, the ring spring be assemblied in ellipse arc slot and lower ellipse arc slot it Between, the retaining ring is assemblied in the outside of arc groove, and the ring spring includes ring spring and connecting spring, the connecting spring rotation Enter the inside of ring spring.

Preferably, first support and the second support are annular element.

Preferably, first support, the second support, ring spring and retaining ring are for metal material.

Preferably, the ring spring is made by the stewing of common coil spring, and spring wire section is round or oblong.

Preferably, the connecting spring is the cylindrical spring that one section of diameter is less than ring spring, and spring wire section is circle.

Preferably, there are radial clearances between the boss and the first support and stepped hole.

Preferably, the upper ellipse arc slot, upper bearing surface, positioning convex platform, stepped hole and groove pass through processing first Support is made.

Preferably, the lower ellipse arc slot, lower support surface, boss, arc groove and location hole pass through processing second Seat is made.

Compared with prior art, the beneficial effects of the present invention are:

1, in the present invention, existing axial rubber pad is replaced by design all-metal elastic bearing pad.Compare axial rubber Pad, all-metal elastic bearing pad have deformation freedom degree identical with axial rubber pad, and performance is not influenced by temperature change, almost Permanent deformation, not aging are not generated, and performance is stablized, and has the longer time between overhauls(TBO)；For all-metal structure, manufactures, repairs, scraps Disposal process is more environmentally-friendly.

2, in the present invention, by designing compact overall structure, practical performance is stronger, therefore is suitable for a wide range of promote the use of.

Detailed description of the invention

Fig. 1 is overall structure of the present invention；

Fig. 2 is A-A schematic cross-sectional view of the present invention；

Fig. 3 is the first support schematic cross-sectional view of the invention；

Fig. 4 is the second support schematic cross-sectional view of the invention；

Fig. 5 is ring spring structural schematic diagram of the present invention；

Fig. 6 is B-B schematic cross-sectional view of the present invention；

Fig. 7 is connecting spring structural schematic diagram of the present invention.

In figure: the first support of 1-, 3- ring spring, 4- retaining ring, the upper ellipse arc slot of 5-, supports on 6- the second support of 2- Ellipse arc slot under face, 7- positioning convex platform, 8- stepped hole, 9- groove, 10-, 11- lower support surface, 12- boss, 13- arc groove, 14- mounting hole, 15- ring spring, 16- connecting spring.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-7 is please referred to, the present invention provides a kind of technical solution:

A kind of all-metal elastic bearing pad, including the first support 1, the second support 2, ring spring 3 and retaining ring 4, first The bottom of seat 1 is equipped with upper ellipse arc slot 5, and the end face of the first support 1 is equipped with upper bearing surface 6 and positioning convex platform 7, positioning convex platform 7 centre offers stepped hole 8 and groove 9, and lower ellipse arc slot 10, lower ellipse arc are offered on the end face of the second support 2 The inside of slot 10 and be located at the second support 2 end face center at be equipped with lower support surface 11 and boss 12, the outer wall of boss 12 with Groove 9 is corresponding around arc groove 13 is offered, and the intermediate fixation of boss 12 offers mounting hole 14, the boss on the second support 2 12 outer wall passes through the inside of stepped hole 8, and ring spring 3 is assemblied between ellipse arc slot 5 and lower ellipse arc slot 10, keeps off Circle 4 is assemblied in the outside of arc groove 13, and ring spring 3 includes ring spring 15 and connecting spring 16, and connecting spring 16 screws in ring bullet The inside of spring 15.

Workflow of the present invention: as shown in Figure 1 and Figure 2, the present invention includes the first support 1, the second support 2, ring spring 3 With retaining ring 4, the first support 1, the second support 2 are all annular element.

As shown in Fig. 2, being machined with ellipse arc slot 5, upper bearing surface 6 and positioning convex platform on the first support 1 of the invention 7, stepped hole 8 and groove 9 are machined among boss 7, and lower ellipse arc slot 10,11 and of lower support surface are machined on the second support 2 Boss 12 is machined with arc groove 13 on boss 12, and mounting hole 14 is machined among boss 12, and boss 12 passes through in the first support 1 Ring spring 3 is clamped between upper ellipse arc slot 5 and lower ellipse arc slot 10 by stepped hole 8, boss 12 and the first support 1 There are radial clearance between middle stepped hole 8, retaining ring 4 is stuck in the outside of the arc groove 13 on the second support 2, and passes through groove 9 The first support 1 is limited relative to shifting outside the second support 2.

As shown in Figure 5, Figure 6, ring spring 3 of the invention includes ring spring 15, connecting spring 16；Ring spring 15 is by common Coil spring stewing is made, and spring wire section is round or oblong (note: being illustrated as circle)；Connecting spring 16 is that one section of diameter is small In the cylindrical spring of ring spring 15, spring wire section is circle；After connecting spring 16 screws in the both ends of ring spring 15, become Fig. 5 Shown shape.

First support 1, the second support 2, ring spring 3 and retaining ring 4 of the invention is metal material.As shown in Fig. 2, working as When upper bearing surface 6 is under pressure relative to lower support surface 11, the radial load metamorphism of ring spring 3, upper bearing surface 6 and lower support surface Axial distance between 11 reduces, and gap occurs between retaining ring 4 and groove 9；Upper bearing surface 6 and lower support surface 11 allow centainly Radial displacement and rotation displacement perpendicular to bearing surface, and there is certain radial rigidity, this process passes through design all-metal Elastic bearing pad replaces existing axial rubber pad, and compare axial rubber pad, and all-metal elastic bearing pad has and axial rubber Identical deformation freedom degree is padded, performance is not influenced by temperature change, is nearly free from permanent deformation, not aging, and performance is stablized, tool There is the longer time between overhauls(TBO)；For all-metal structure, manufactures, repairs, to scrap disposal process more environmentally-friendly.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.