CN201865006U - Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance - Google Patents
Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance Download PDFInfo
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- CN201865006U CN201865006U CN201020290478XU CN201020290478U CN201865006U CN 201865006 U CN201865006 U CN 201865006U CN 201020290478X U CN201020290478X U CN 201020290478XU CN 201020290478 U CN201020290478 U CN 201020290478U CN 201865006 U CN201865006 U CN 201865006U
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- top board
- wear
- shearing
- software
- hole distance
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Abstract
A vulcanized shearing type rail vibration absorber with a small height and a short mounting hole distance comprises three parts (namely, a top plate, soft wear-resisting elastic bodies and a base), and is characterized in that a rail bearing plate for bearing a steel rail is arranged in the center of the top plate and is irregularly shaped; two lugs are respectively arranged at the kitty corners of the two sides of the rail bearing plate, and a through pin hole is formed on each lug through machining; two strip-shaped bulges of the top plate are formed on the edges of the outer sides of two iron elastic strip mounting seats and on the two sides of the lugs; the soft wear-resisting elastic bodies are vulcanized on the bulges in the other three directions besides the parts of the bulges connected with the top plate; a concave gap is formed in the other kitty corner direction of the two sides of the rail bearing plate; the lower half part of the top plate is a truncated inverted cone, and a cavity is formed in the middle of the inverted cone; and the inner surface of the base is an inverted cone curved surface corresponding to the outer surface of the inverted cone of the top plate.
Description
Technical field
The utility model relates to a kind of elastic damping components, is the track vibration-reducing device that a kind of urban track traffic is used specifically.The flange of rail that is mainly used in various tracks is done the damping noise reduction parts of track.
Background technology
At present, the construction of carrying out track traffic that China is a large amount of, the damping noise reduction of track become a big technical barrier, and shearing-type track vibration-reducing device arises at the historic moment.In the development and Design process of shock absorber, the installation spring is reserved by the each side reason often, has so just determined the size and the position of top board iron seat; For guaranteeing that the iron seat has enough placement locations on top board, it is enough big that top board outer ring size is wanted, because top board is back taper, the outer ring size that increases cover top surface will increase the height of top board, and then the overall height of product also can correspondingly increase.
After the top board size was determined, because the restriction of properties of product and sulfuration process, the installing hole heart distance of base and roadbed also can be bigger.
In the transformation of existing line because the structure major part of former circuit adds the split-type structural of rubber mat plate for iron chair, its roadbed to the height major part of the flange of rail all between 35-55.And traditional shearing-type track vibration-reducing device sulfuration height degree is general all more than 70, adds that reaching shock absorber under the rail isolates backing plate down, and the flange of rail of rail clip system to the height of roadbed generally reaches more than 80.Will use Damping fastening transforming the highway section, need and the fastener height of former circuit is consistent, the use of traditional shearing-type shock absorber has just had significant limitation, so necessary this is solved.
The utility model content
The purpose of this utility model provides a kind of and can adapt to the little installing hole distance of low clearance in order to overcome the deficiency of existing track vibration-reducing device, and can satisfy the sulfuration shearing-type track vibration-reducing device that functional performance requires.This kind shock absorber under the prerequisite that keeps shearing-type structure and premium properties, satisfy existing line transform in to the requirement of shock absorber low clearance and little installing hole distance.
The purpose of this utility model is achieved through the following technical solutions, and the sulfuration shearing-type track vibration-reducing device of the little installing hole distance of a kind of low clearance comprises top board, the wear-resisting elastic body of software and three parts of base.The top board middle body is the support rail plate of a carrying rails, and the support rail plate is irregular shape, and respectively there is one one spring mount pad diagonally opposing corner position, support rail plate both sides; On the spring mount pad lug is arranged; Top board is installed the edge in the outside of iron seat at two springs, and a strip projection is respectively arranged; The length direction of projection is arranged along the top board width.Projection except that with position that top board is connected, other 3 directions are all vulcanized has wear-resisting elastic body of software (as rubber) and base plate respective protrusions to sulfide.Another diagonally opposing corner direction of support rail plate both sides is recessed vacancy, and recessed vacancy is irregular rectangle; The position of the vacancy that this is recessed is that base has been reserved the space with being connected of roadbed.Top board the latter half is a butt reverse taper, is cavity in the middle of the reverse taper.Base inner surface is and the reverse taper curved surface of top board reverse taper external surface shape correspondence.The wear-resisting elastic body of software inboard encases the lateral surface and the bottom edge of top board reverse taper, and extends upwardly to the inner surface of convex upper surface and projection, until the upper surface of support rail plate; The wear-resisting elastic body lateral wall of software is connected with the base inside wall, and wear-resisting elastic body of software and being connected of top board, base plate all are by adhesive, and high temperature, high pressure sulfide.
Track vibration-reducing device provided by the utility model is unique parts that rigidity is provided in the fastener system.The lug of its top board both sides is used for installing and fixing the spring of rail, and the support rail platform is used for carrying rails.Two installing holes that screw spike passes base are fixed on shock absorber on the roadbed.The wear-resisting elastic body of software between top board and the base plate is fixed together both sulfurations, and by the stressed elasticity that track is provided of the wear-resisting elastomeric shearing of software, the wear-resisting elastic body of software is irregular profile.
The beneficial effects of the utility model are: it is big to solve common sulfuration shearing-type track damper setting height(from bottom), installing hole is apart from big shortcoming, can adapt to path road, existing city and transform, bigger lateral stiffness is provided when enough little vertical stiffness is provided track vibration-reducing device fastener setting height(from bottom), hole heart distance and performance demands.
Description of drawings:
Fig. 1 is an assembled state schematic diagram of the present utility model;
Fig. 2 is that the A-A of the utility model Fig. 3 cuts open front view;
Fig. 3 is a vertical view of the present utility model;
Fig. 4 cuts open left view in of the present utility model;
Fig. 5 is a C-C sectional view of the present utility model;
Fig. 6 is the vertical view of the utility model top board;
Among the figure: the 1-rail; The 2-railway rail pad; The 3-Insulation rail distance keeper; The 4-spring; The 5-screw spike; The single packing ring that plays of 6-; The 7-toothed pad; The 8-shock absorber; 9-device lower bolster; 10-insulation sleeve (being embedded in the concrete foundation); The 11-top board; The wear-resisting elastic body of 12-software; The 13-base; 14-support rail plate; 15-spring mount pad; The 16-projection; The 17-lug; The 18-outer ledge; The 19-vacancy; 20-butt reverse taper; The 21-cavity; 22-reverse taper curved surface.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Shown in Fig. 2-6, the utility model is a kind of track vibration-reducing device, comprises top board 11, the wear-resisting elastic body 12 of software and 13 3 parts of base.Top board 11 middle bodies are the support rail plate 14 of a carrying rails, and support rail plate 14 is irregular shape, and respectively there is one one spring mount pad 15 diagonally opposing corner position, support rail plate 14 both sides; Lug 17 is arranged on the spring mount pad 15; Top board 11 is installed the edge in the outside of iron seat 15 at two springs, and a strip projection 16 is respectively arranged; The length direction of projection 16 is arranged along the top board width.Projection 16 except that with position that top board 11 is connected, other 3 directions are all vulcanized has wear-resisting elastic body 12 of software (as rubber) and base plate respective protrusions to sulfide; Another diagonally opposing corner direction of support rail plate both sides is recessed vacancy; Top board the latter half is a butt reverse taper, is cavity in the middle of the reverse taper; Base inner surface is and the reverse taper curved surface of top board reverse taper external surface shape correspondence.Another diagonally opposing corner direction of support rail plate 14 both sides is recessed vacancy 19, and recessed vacancy 19 is irregular rectangle; The position of this recessed vacancy 19 is that base has been reserved the space with being connected of roadbed.Top board 11 the latter halfs are a butt reverse taper 20, are cavity 21 in the middle of the reverse taper.Base 13 inner surfaces are and the reverse taper curved surface 22 of top board reverse taper external surface shape correspondence.The wear-resisting elastic body of software 19 inboards encase the lateral surface and the bottom edge of top board reverse taper, and extend upwardly to the upper surface of projection 16 and the inner surface of projection 16, until the upper surface of support rail plate 14; Wear-resisting elastic body 12 lateral walls of software are connected with base 13 inside walls, and the wear-resisting elastic body 19 of software all is by adhesive with being connected of top board 11, base plate 13, and high temperature, high pressure sulfide.
Track vibration-reducing device provided by the utility model is unique parts that rigidity is provided in the fastener system.The lug of its top board both sides is used for installing and fixing the spring of rail, and the support rail platform is used for carrying rails.Two installing holes that screw spike passes base are fixed on shock absorber on the roadbed.The wear-resisting elastic body of software between top board and the base plate is fixed together both sulfurations, and by the stressed elasticity that track is provided of the wear-resisting elastomeric shearing of software, the wear-resisting elastic body of software is irregular profile.
Accompanying drawing 1 is depicted as assembled state schematic diagram of the present utility model, the sulfuration shearing-type track vibration-reducing device 8 of the little installing hole distance of low clearance that the utility model proposes as can be seen by accompanying drawing is by the fixing rail of spring 4 and Insulation rail distance keeper 3, and screw spike 5 passes and singly plays packing ring 6 and toothed pad 7 is screwed into circuit concrete foundation (can be the basic or prefabricated sleeper of cast-in-situ concrete).Rail is placed insulation for 1 time and is isolated backing plate 2 (being generally plastics), and shock absorber is placed backing plate 9 (being generally plastics) 8 times.The threaded portion of screw spike 5 is surrounded by insulation sleeve 10 (being embedded in the concrete foundation).
Because top board is planform (as shown in Figure 6) cleverly, base that the utility model is connected with roadbed nail pitch-row can be as small as 240 * 100 (M in the accompanying drawing 3 * N), and the setting height(from bottom) of product can be low to moderate 40～45 (H in the accompanying drawing 2), add under the rail and shock absorber is isolated down the thickness (general gross thickness 8～12) of backing plate, when satisfying existing line and transforming the shock absorber fastener is installed the requirement of overall height.
Because of the angle of rubber ring profile along top board reverse taper curved surface extends upward, and encase the strip projection in 3 directions, shock absorber can provide enough big lateral stiffness under the prerequisite that guarantees vertical stiffness.In addition, product can also satisfy≤1.3 the output ratio of Q-switching to free running, can after 3,000,000 fatigue, not destroy, and variation≤10% of the vertical quiet rigidity and the output ratio of Q-switching to free running.
The beneficial effects of the utility model are:
The shearing-type shock absorber top board profile of known technology adopt more ellipse or middle for the rectangle both sides by the form of receiving in the tangent arc. Be subjected to spring that the restriction of iron seat is installed, the length of top board and width must have enough greatly, and then whole shock absorber height and floor installation pitch-row are all bigger, described in reason such as the utility model technical background. Rail dampener top board of the present utility model is for to have the recessed irregular rectangle of rectangle in the diagonally opposing corner direction, and the recessed part of top board provides the space for the installation of base plate and roadbed; And be that spring is installed the iron seat in another diagonally opposing corner direction of top board. Because the shape Founder of iron seat part top board is installed, there is not the waste in space, so the installing hole heart of base plate is smaller apart from accomplishing.
2. the utility model provides enough placement spaces because top board is installed the iron seat for spring, makes the height of back taper top board no longer include necessary raising, cooperates the angle of adjusting the top board reverse taper again, the height of top board is reduced, and then the height of whole shock absorber reduces.
3. top board is installed the edge in the outside of iron seats at two springs, and a strip projection 6 is respectively arranged, it except with position that top board is connected other 3 directions all vulcanize software wearable elastic body arranged. Like this, shock absorber can provide bigger lateral stiffness again when littler vertical stiffness is provided.
Claims (5)
1. the sulfuration shearing-type track vibration-reducing device of the little installing hole distance of low clearance comprises top board, the wear-resisting elastic body of software and three parts of base; It is characterized in that: the top board middle body is the support rail plate of a carrying rails, and respectively there is a spring mount pad diagonally opposing corner position, support rail plate both sides; Top board is installed the edge in the outside of iron seat at two springs, and a strip projection is respectively arranged; Projection except that with position that top board is connected, other 3 directions are all vulcanized has wear-resisting elastic body of software and base plate respective protrusions to sulfide; Another diagonally opposing corner direction of support rail plate both sides is recessed vacancy; Top board the latter half is a butt reverse taper, is cavity in the middle of the reverse taper; Base inner surface is and the reverse taper curved surface of top board reverse taper external surface shape correspondence.
2. the sulfuration shearing-type track vibration-reducing device of the little installing hole distance of low clearance as claimed in claim 1, it is characterized in that: the wear-resisting elastic body of software inboard encases the lateral surface and the bottom edge of top board reverse taper, and extend upwardly to convex upper surface and protruding inner surface, until the upper surface of support rail plate.
3. the sulfuration shearing-type track vibration-reducing device of the little installing hole distance of low clearance as claimed in claim 2 is characterized in that: the wear-resisting elastic body lateral wall of software is connected with the base inside wall.
4. the sulfuration shearing-type track vibration-reducing device of the little installing hole distance of low clearance as claimed in claim 3 is characterized in that: wear-resisting elastic body of software and being connected of top board, base plate all are by adhesive, and high temperature, high pressure sulfide.
5. the sulfuration shearing-type track vibration-reducing device of the little installing hole distance of low clearance as claimed in claim 4 is characterized in that: the length direction of projection is arranged along the top board width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020290478XU CN201865006U (en) | 2010-08-13 | 2010-08-13 | Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020290478XU CN201865006U (en) | 2010-08-13 | 2010-08-13 | Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201865006U true CN201865006U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020290478XU Expired - Lifetime CN201865006U (en) | 2010-08-13 | 2010-08-13 | Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance |
Country Status (1)
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|---|---|
| CN (1) | CN201865006U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373655A (en) * | 2011-11-08 | 2012-03-14 | 江阴海达橡塑股份有限公司 | Crossed mute steel rail |
| CN104894927A (en) * | 2015-05-12 | 2015-09-09 | 成都迅德科技有限公司 | Steel rail fastener |
| CN106638171A (en) * | 2016-12-30 | 2017-05-10 | 中国船舶重工集团公司第七研究所 | Embedded track vibration attenuation fastener and preparation method thereof |
| CN111663378A (en) * | 2020-06-19 | 2020-09-15 | 无锡圣丰减震器有限公司 | Urban rail transit line turnout shock absorber |
| CN113914153A (en) * | 2021-10-29 | 2022-01-11 | 株洲时代新材料科技股份有限公司 | Rubber-coated track shock absorber |
-
2010
- 2010-08-13 CN CN201020290478XU patent/CN201865006U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373655A (en) * | 2011-11-08 | 2012-03-14 | 江阴海达橡塑股份有限公司 | Crossed mute steel rail |
| CN104894927A (en) * | 2015-05-12 | 2015-09-09 | 成都迅德科技有限公司 | Steel rail fastener |
| CN106638171A (en) * | 2016-12-30 | 2017-05-10 | 中国船舶重工集团公司第七研究所 | Embedded track vibration attenuation fastener and preparation method thereof |
| CN106638171B (en) * | 2016-12-30 | 2019-05-24 | 中国船舶重工集团公司第七一一研究所 | A kind of embedded tracks Damping fastening and preparation method thereof |
| CN111663378A (en) * | 2020-06-19 | 2020-09-15 | 无锡圣丰减震器有限公司 | Urban rail transit line turnout shock absorber |
| CN113914153A (en) * | 2021-10-29 | 2022-01-11 | 株洲时代新材料科技股份有限公司 | Rubber-coated track shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
|
| CX01 | Expiry of patent term |