CN207244359U - Lock-up type damping steel rail iron chair combining structure - Google Patents
Lock-up type damping steel rail iron chair combining structure Download PDFInfo
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- CN207244359U CN207244359U CN201720734867.9U CN201720734867U CN207244359U CN 207244359 U CN207244359 U CN 207244359U CN 201720734867 U CN201720734867 U CN 201720734867U CN 207244359 U CN207244359 U CN 207244359U
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Abstract
It the utility model is related to a kind of lock-up type damping steel rail iron chair combining structure, including upper iron chair, resilient sleeper-bearing, lower iron chair and locking sleeve structure, resilient sleeper-bearing is clipped between iron chair and lower iron chair, locking sleeve structure is used for upper iron chair, resilient sleeper-bearing and the locking of lower iron chair, positioning nesting is set in the tube structure of lower iron chair, the tube structure of lower iron chair is fed through resilient sleeper-bearing and upper iron chair successively, and it is mounted in by second boss in the first boss of upper iron chair, " C " shape gap is left in the outer ring of first through hole, the fixed wedging of positioning lock is somebody's turn to do in " C " shape gap, so as to be assembled into damping steel rail iron chair combining structure.The utility model is skillfully constructed, security reliability is good, and damping effect is good, can effectively reduce the vibrations of iron chair combining structure, prevents play between iron chair up and down, in addition, can realize the top locking of iron chair combining structure, it is easy for installation so as to fulfill its.
Description
Technical field
It the utility model is related to rail fastening field, and in particular to the iron chair combining structure in a kind of rail fastening, especially
It is related to a kind of lock-up type damping steel rail iron chair combining structure.
Background technology
Railway traffic engineering has been widely used in the fields such as state-owned railroads passenger and freight transportation, city passenger's communications and transportation, closely
It is rapidly developed over year, especially city track traffic engineering undergoes an unusual development rapidly, including subway, light rail, tramcar etc.,
It is the effective means for improving Urban Traffic Jam Based.But railway traffic system is in the life to people, production active belt
While convenient, also become the occurring source of new noise and vibration.Especially in intensive residential area, commercial center and work
Industry area, railway traffic system have had resulted in very important vibration and noise pollution.
Especially have resulted in very important in intensive residential area, commercial center and industrial area, railway traffic system
Vibration and noise pollution.With the increasingly raising that people require quality of life, this vibration and noise pollution are increasingly drawn
Play the concern of the public.In addition, in the units such as high-tech manufacturing enterprise, hospital and scientific research institution, some highly sophisticated devices are to week
Enclosing the sensitivity of ambient vibration increasingly increases, this also proposes the requirement of higher to setting up defences for new vibration pollution source.Therefore,
The vibration of railway traffic system and the pollution of Noise upon Environment are controlled, has become what field of environment protection was urgently studied and solved
Major issue.
In addition, during the construction and operation of railway traffic engineering, because of the complexity of integrated condition, track occurs
Error is unavoidable, if error exceeds limit value, it will operation is impacted.Need periodically to examine track and structure
Survey, find to eliminate error, it is necessary to adopt an effective measure in time beyond the error limited, ensure operation security.For example, with track
After long-time service, existing iron chair combining structure can produce vibrations, loosen, the problems such as stability is poor, just in case failure is produced, will
Serious safety problem can be brought to numerous passengers on train and train.
Therefore, to solve the above-mentioned problems, it is that this practicality is new to propose a kind of lock-up type damping steel rail iron chair combining structure
The problem to be studied of type.
The content of the invention
The utility model aim is to provide a kind of lock-up type damping steel rail iron chair combining structure, to solve existing iron chair
Combining structure easily produces vibrations, loosens, the problems such as stability is poor, noise is big.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of lock-up type damping steel rail iron chair group
Structure is closed, including upper iron chair, resilient sleeper-bearing, lower iron chair and locking sleeve structure, the upper iron chair are located at lower iron chair
Top, the resilient sleeper-bearing is clipped between iron chair and lower iron chair, and the locking sleeve structure is used for upper iron chair, bullet
Property backing plate and lower iron chair locking；
The upper iron chair is the first platy structure, has a center line or symmetrical in the plate face of first platy structure
Line, is equipped with least two first through hole on the first platy structure, and the major axis of at least two first through hole is parallel；Described first
Through hole is slot hole, a first boss is equipped with the hole wall of the slot hole, which is located at the longitudinal end of slot hole, and first is convex
Platform is located at the lower area of slot hole axial direction；
The resilient sleeper-bearing is a liner plate being made by elastic material, which corresponds to first gone up in iron chair and lead to
Hole site respectively offers one second through hole；
The lower iron chair is the second platy structure, which corresponds to the first through hole position in upper iron chair
A tube structure relative to lower iron chair plate face protrusion is respectively provided with, the outside diameter of the tube structure is less than the hole of the slot hole short axle
Footpath, the orientation that the first boss is corresponded in the outer rim of the tube structure are equipped with a second boss, which is located at cylinder
The upper area of body structure axial direction；
In both outer rims of the inner wall of the first through hole and the tube structure, at least one is the conical surface, when first
When the inner wall of through hole is the conical surface, the bore of upper end opening is more than the bore of lower ending opening, when the outer rim of tube structure is the conical surface,
Upper end outside diameter is less than lower end outside diameter；
The locking sleeve structure is covered with a positioning nested groups into the fixed positioning lock is an open loop shape by a positioning and locking
Buffering nested structure, the orientation of the structurally corresponding first boss of the cushion collar offers one section of notch；The positioning lock is fixed
Outer wall and the inner wall of first through hole are mating surface, when the inner wall of first through hole is the conical surface, the fixed outer wall of the positioning lock
For the conical surface, the outer rim of the fixed outer wall of the positioning lock and tube structure is mating surface, when the outer rim of tube structure is the conical surface,
The fixed inner wall of the positioning lock is also the conical surface, so that the fixed buffering nested structure for forming " C " shape wedge shape of positioning lock；
The positioning nesting is a block structure, shape, size and the radian of the block structure with positioning lock it is fixed in
Shape, size and the radian of notch match, and an embedding hole is opened up in the positioning nesting；
In the assembled condition, the positioning nesting is set in the second boss of the tube structure, the lower iron chair
Tube structure sequentially pass through in the first through hole in the second through hole and upper iron chair in resilient sleeper-bearing, wherein, second boss
Located nesting is mounted in the first boss of iron chair, and at this time, the upper iron chair and lower iron chair press from both sides resilient sleeper-bearing
In centre, " C " shape gap is formed between the first through hole and tube structure, the fixed wedging of positioning lock should " C " shape
In gap, make to form lock-out state in three-dimensional space between iron chair, resilient sleeper-bearing and lower iron chair three.
Related content in above-mentioned technical proposal is explained as follows：
1st, in such scheme, the bottom surface of the upper iron chair is equipped with a positioning projection seat, is equipped with above corresponding lower iron chair
One positioning groove, in the assembled condition, the positioning projection seat are embedded in the positioning groove, to realize upper iron chair and lower iron
Backing plate radial positioning.
2nd, in such scheme, the first through hole is positioned at the central area of the positioning projection seat；The corresponding cylinder knot
Structure is located at the central area of the positioning groove.
3rd, in such scheme, the resilient sleeper-bearing is padded using microporous foam structure or rubber packing.
4th, in such scheme, when the inner wall of first through hole is the conical surface, the fixed outer wall of the positioning lock is also the conical surface, institute
It is also the conical surface to state the nested outer wall of positioning.
5th, in such scheme, the positioning and locking, which is put on, offers threaded hole, to facilitate the fixed dismounting of the positioning lock.
6th, in such scheme, a bolt hole is offered in the tube structure, which is slotted hole.
7th, in such scheme, the positioning projection seat is square, and corresponding positioning groove is also square.
8th, in such scheme, first platy structure is equipped with two first through hole, wherein, a first through hole is located at
The side of center line or line of symmetry, another first through hole is located at the opposite side of center line or line of symmetry, and this two first logical
Hole misplaces in the length direction along center line or line of symmetry and arranges.
9th, in such scheme, the first through hole is slotted hole；Arc-shaped piece of the fixed notch geometry of the positioning lock is right
The positioning nesting answered is an arc block structure, shape, size and the radian of the arc block structure with the fixed middle notch of positioning lock
Shape, size and radian match, embedding hole is arranged on the circular arc of the arc block structure radially, in the assembled condition, institute
Positioning nesting and the fixed cooperation of positioning lock are stated into a circular locking sleeve structure.
10th, in such scheme, the orientation that the first boss is corresponded in the outer rim of the tube structure is convex equipped with one second
Platform, the orientation of the structurally corresponding first boss of cushion collar offer one section of notch, and orientation here refers to that direction and position are equal
It is corresponding to the same.
Utility model works principle is：The iron chair combining structure of the utility model, in assembling, positioning nesting passes through
Embedding hole is set in the second boss of the lower iron chair middle cylinder body structure, and the tube structure of lower iron chair sequentially passes through cushion
In the first through hole in the second through hole and upper iron chair in plate, and it is positioned at by second boss the first boss of upper iron chair
On, at this time, resilient sleeper-bearing is clipped in the middle by upper iron chair and lower iron chair, and one " C " is left in the outer ring of the first through hole
Shape gap, the fixed wedging of positioning lock are somebody's turn to do in " C " shape gap so as to complete to lock, and are finally assembled to the complete iron chair combination
Structure.
The utility model is mounted in by the second boss of lower iron chair in the first boss of upper iron chair, and passes through positioning
Lock sleeve is nested with positioning embedded, finally makes between iron chair, resilient sleeper-bearing and lower iron chair three in three-dimensional space
Middle formation lock-out state.Locking sleeve structure is embedded between the tube structure of lower iron chair and the first through hole of upper iron chair,
Contact between iron and iron is separated by the locking sleeve structure of nylon, metal is avoided and is contacted with the direct of metal, work as weight
When being pressed in iron chair combining structure, the collision between each part of iron chair combining structure is greatly reduced, so as to play
Reduce the effect of noise.By the tight fit of upper iron chair, lower iron chair and locking sleeve structure, weight can be effectively prevented
When pressing through, jumping between each parts in iron chair combining structure.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
1st, the utility model be skillfully constructed, security reliability it is good, damping effect is good, can effectively reduce iron chair combination knot
The vibrations of structure, reduce noise, prevents from jumping between iron chair up and down, in addition, the top lock of iron chair combining structure can be realized
It is fixed, it is easy for installation so as to fulfill its.
2nd, there is a through hole in the tube structure on the lower iron chair of the utility model, be threaded hole, which is
Slotted hole, so as to ensure gauge adjustment amount.
Brief description of the drawings
Attached drawing 1 is rail iron chair combining structure stereogram in the present embodiment（One）；
Attached drawing 2 is rail iron chair combining structure stereogram in the present embodiment（Two）；
Attached drawing 3 is rail iron chair combining structure side view in the present embodiment；
Attached drawing 4 is rail iron chair combining structure three-dimensional exploded view in the present embodiment；
Attached drawing 5 is the stereogram of upper iron chair in the present embodiment（One）；
Attached drawing 6 is the stereogram of upper iron chair in the present embodiment（Two）；
Attached drawing 7 is the stereogram of upper iron chair in the present embodiment（Three）；
The bottom surface structure schematic diagram of upper iron chair in 8 the present embodiment of attached drawing；
The stereogram of resilient sleeper-bearing in 9 the present embodiment of attached drawing；
Attached drawing 10 is the side view of resilient sleeper-bearing in the present embodiment；
Attached drawing 11 is the stereogram of lower iron chair in the present embodiment（One）；
Attached drawing 12 is the stereogram of lower iron chair in the present embodiment（Two）；
Attached drawing 13 is the stereogram that positioning lock is fixed in the present embodiment；
Attached drawing 14 is the stereogram that nesting is positioned in the present embodiment.
In the figures above：1st, upper iron chair；10th, first through hole；11st, first boss；12nd, projection seat is positioned；2nd, resilient sleeper-bearing；
20th, the second through hole；21st, elastic backing structure；3rd, lower iron chair；30th, tube structure；31st, second boss；32nd, positioning groove；4、
Positioning lock is fixed；40th, notch；41st, threaded hole；5th, positioning is nested；50th, embedding hole.
Embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment：Lock-up type damping steel rail iron chair combining structure
Referring to attached drawing 1-4, including upper iron chair 1, resilient sleeper-bearing 2, lower iron chair 3 and locking sleeve structure, the upper iron
Backing plate 1 is located at the top of lower iron chair 3, and the resilient sleeper-bearing 2 is clipped between iron chair 1 and lower iron chair 3, the lock sleeve
Structure is used to lock upper iron chair 1, resilient sleeper-bearing 2 and lower iron chair 3.
Referring to attached drawing 5-8, wherein, the upper iron chair 1 is the first platy structure, in the present embodiment, the first platy structure
Using rectangular plate-like structure, there is a center line or line of symmetry in the plate face of first platy structure, on the first platy structure
Equipped with two first through hole 10, wherein, a first through hole 10 is located at the side of center line or line of symmetry, another first through hole
10 positioned at center line or the opposite side of line of symmetry, and two first through hole 10 are wrong in the length direction along center line or line of symmetry
Position arrangement；The first through hole 10 is slotted hole, and a first boss 11, the first boss 11 are equipped with the hole wall of the slotted hole
Positioned at the longitudinal end of slotted hole, and first boss 11 is located at the lower area of slotted hole axial direction.
Referring to attached drawing 9-10, the resilient sleeper-bearing 2 is a liner plate being made by elastic material, which corresponds to upper iron
10 position of first through hole in backing plate 1 respectively offers one second through hole 20, in the present embodiment, in the present embodiment, resilient sleeper-bearing 2
Raw material are microporous foam structural elasticity backing plate.
In both outer rims of the inner wall of the first through hole 10 and the tube structure 30, at least one is the conical surface,
Can both be the conical surface, when the inner wall of first through hole 10 be the conical surface, the bore of upper end opening more than lower ending opening bore,
When the outer rim of tube structure 30 is the conical surface, upper end outside diameter is less than lower end outside diameter.
Referring to attached drawing 11-12, the lower iron chair 3 is the second platy structure, which corresponds to upper iron chair 1
In 10 position of first through hole be respectively provided with a tube structure 30 relative to lower 3 plate face of iron chair protrusion, the tube structure 30
Outside diameter is less than the aperture of the slot hole short axle, and the orientation that the first boss 11 is corresponded in the outer rim of the tube structure 30 is equipped with
One second boss 31, the second boss 31 are located at the axial upper area of tube structure 30.In the present embodiment, the tube structure
There is a bolt hole, which is slotted hole in 30.
In the present embodiment, the bottom surface of the upper iron chair 1 is equipped with a positioning projection seat 12, and the first through hole 10 is positioned at described
The central area of projection seat 12 is positioned, the front of corresponding lower iron chair 3 is equipped with a positioning groove 32, and the tube structure 30 is located at institute
State the central area of positioning groove 32, in the present embodiment, the positioning projection seat 12 is square, and corresponding positioning groove 32 is also in side
Shape.In the assembled condition, the positioning projection seat 12 is embedded in the positioning groove 32, to realize upper iron chair 1 and lower iron pad
Plate 3 positions.
Referring to attached drawing 13-14, the locking sleeve structure is made of positioning and locking set 4 with a positioning nested 5, the present embodiment
In, positioning lock fixed 4 is made with positioning nested 5 of nylon material, and the positioning lock fixed 4 opens cricoid cushion collar for one
Structure, the orientation of the structurally corresponding first boss 11 of the cushion collar offer one section of notch 40；The outer wall of the positioning lock fixed 4
Inner wall with first through hole 10 is mating surface, when the inner wall of first through hole 10 is the conical surface, the outer wall of the positioning lock fixed 4
For the conical surface, the outer wall of the positioning lock fixed 4 and the outer rim of tube structure 30 are mating surface, when the outer rim of tube structure 30 is cone
During face, the inner wall of the positioning lock fixed 4 is also the conical surface, so that positioning lock fixed 4 forms the buffering noose of " C " shape wedge shape
Structure, the outer wall of corresponding positioning nesting 5 is also the conical surface.The positioning nesting 5 is an arc block structure, the shape of the arc block structure
Shape, size and the radian of shape, size and radian with notch 40 in positioning lock fixed 4 match, and are opened in the positioning nesting 5
If an embedding hole 50, which is arranged on the circular arc of the arc block structure radially.It is in the present embodiment, locking sleeve structure is embedding
Enter between the tube structure 30 of lower iron chair 3 and the first through hole 10 of upper iron chair 1, the contact between iron and iron is passed through into Buddhist nun
The locking sleeve structure of dragon separates, and avoids metal and is contacted with the direct of metal, when weight is pressed in iron chair combining structure, significantly
The collision between each part of iron chair combining structure is reduced, so as to play the effect for reducing noise.
In the assembled condition, the positioning nesting 5 is set in the second boss 31 of the tube structure 30, the lower iron
The tube structure 30 of backing plate 3 is sequentially passed through in the first through hole 10 in the second through hole 20 and upper iron chair 1 in resilient sleeper-bearing 2,
Wherein, second boss 31 located nested 5 is mounted in the first boss 11 of iron chair 1, at this time, upper 1 He of iron chair
Resilient sleeper-bearing 2 is clipped in the middle by lower iron chair 3, and " C " shape gap is formed between the first through hole 10 and tube structure 30,
Fixed 4 wedging of the positioning lock should make between 3 three of iron chair 1, resilient sleeper-bearing 2 and lower iron chair three in " C " shape gap
Lock-out state is formed in dimension solid space.
Wherein, during installation, since first through hole 10 is a slotted hole, and first boss 11 is located at first through hole
On 10 long axis direction, when the tube structure 30 in lower iron chair 3 passes through first through hole 10, first by lower iron chair 3 and upper iron pad
The long axis direction of plate 1 along first through hole 10 staggers a bit so that the second boss 31 of positioning nesting 5 is cased with tube structure 30
It is staggered with the first boss 11 in first through hole 10, when tube structure 30 penetrates in first through hole 10 completely, then by upper iron
Backing plate 1 and lower iron chair 3 align so that the positioning projection seat 12 in upper iron chair 1 is seated in the positioning groove 32 of lower iron chair 3
In, so as to fulfill the radial positioning of upper iron chair 1 and lower iron chair 3.
For above-described embodiment, the issuable change of the utility model is described as follows：
1st, in above-described embodiment, the resilient sleeper-bearing 2 uses microporous foam structural elasticity backing plate, in fact, can also adopt
Use rubber mat plate.
2nd, in above-described embodiment, first platy structure uses rectangular plate-like structure, and rectangular plate-like structure is optimal side
Case, is also rectangular plate-like structure mostly in practical application, in fact, circular plate-like shape structure can also be used, or ellipse
Platy structure.
3rd, in above-described embodiment, two first through hole 10 are equipped with the first platy structure, and two first through hole are on edge
The length direction of center line or line of symmetry dislocation arrangement, wherein it is optimal that two first through hole 10 are set on the first platy structure
Scheme, in fact, three, four first through hole 10 are set, it is even more, if major axis is parallel, and the orientation court of first boss
To consistent, also it is possible to.
4th, in above-described embodiment, in such scheme, first through hole 10 uses slotted hole, in fact, slot hole can also be used,
Shape after corresponding 5 insertion nested with positioning of positioning lock fixed 4 will also accordingly become rectangle.
5th, in above-described embodiment, first through hole 10, in fact can also be endless using the slotted hole of shape size all same
It is exactly the same, as long as it is also to realize that the size of the corresponding anchor bolt being through in slotted hole, which corresponds to change, in practical applications
's.
6th, in above-described embodiment, in above-described embodiment, the positioning lock fixed 4 opens cricoid buffering nested structure for one, right
The positioning nesting 5 answered is arc block structure, and in the assembled condition, positioning lock fixed 4 is combined into a circular ring shape knot with positioning nested 5
Structure, secondary scheme are preferred plan, in fact, positioning lock fixed 4 can also be the rectangle of a notch, corresponding positioning nesting 5 is
The block structure of strip, positioning lock fixed 4 and block structure are combined into a straight-flanked ring at this time.
7th, threaded hole 41 is further opened with the positioning lock fixed 4, is tied with facilitating the positioning lock fixed 4 to be combined from iron chair
Disassembled in structure, so that upper iron chair 1, resilient sleeper-bearing 2, lower iron chair 3, positioning lock fixed 4 and positioning nesting 5 are torn open
Open.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of lock-up type damping steel rail iron chair combining structure, including upper iron chair（1）, resilient sleeper-bearing（2）, lower iron chair
（3）And locking sleeve structure, the upper iron chair（1）Positioned at lower iron chair（3）Top, the resilient sleeper-bearing（2）It is clipped in
Iron chair（1）With lower iron chair（3）Between, the locking sleeve structure is used for upper iron chair（1）, resilient sleeper-bearing（2）Under and
Iron chair（3）Locking；
It is characterized in that：The upper iron chair（1）For the first platy structure, there is a center in the plate face of first platy structure
Line or line of symmetry, are equipped with least two first through hole on the first platy structure（10）, at least two first through hole（10）'s
Major axis is parallel；The first through hole（10）For slot hole, a first boss is equipped with the hole wall of the slot hole（11）, the first boss
（11）Positioned at the longitudinal end of slot hole, and first boss（11）Positioned at the lower area of slot hole axial direction；
The resilient sleeper-bearing（2）For a liner plate being made by elastic material, which corresponds to upper iron chair（1）In first
Through hole（10）Position respectively offers one second through hole（20）；
The lower iron chair（3）For the second platy structure, which corresponds to upper iron chair（1）In first through hole
（10）Position is respectively provided with one relative to lower iron chair（3）The tube structure of plate face protrusion（30）, the tube structure（30）Outside diameter
Less than the aperture of the slot hole short axle, the tube structure（30）Outer rim on correspond to the first boss（11）Orientation be equipped with
One second boss（31）, the second boss（31）Positioned at tube structure（30）Axial upper area；
The first through hole（10）Inner wall and the tube structure（30）Both outer rims in, at least one is the conical surface, when
First through hole（10）Inner wall when being the conical surface, the bore of upper end opening is more than the bore of lower ending opening, works as tube structure（30）'s
When outer rim is the conical surface, upper end outside diameter is less than lower end outside diameter；
The locking sleeve structure is by a positioning and locking set（4）It is nested with a positioning（5）Composition, the positioning lock are fixed（4）For one
Open cricoid buffering nested structure, the structurally corresponding first boss of the cushion collar（11）Orientation offer one section of notch（40）；Institute
It is fixed to state positioning lock（4）Outer wall and first through hole（10）Inner wall be mating surface, work as first through hole（10）Inner wall be the conical surface
When, the positioning lock is fixed（4）Outer wall be also the conical surface, the positioning lock is fixed（4）Outer wall and tube structure（30）It is outer
Edge is mating surface, works as tube structure（30）Outer rim when being the conical surface, the positioning lock is fixed（4）Inner wall be also the conical surface so that
Make positioning lock fixed（4）Form the buffering nested structure of " C " shape wedge shape；
The positioning is nested（5）For a block structure, the shape of the block structure, size and radian are fixed with positioning lock（4）
Middle notch（40）Shape, size and radian match, the positioning is nested（5）On open up an embedding hole（50）；
In the assembled condition, the positioning is nested（5）It is set in the tube structure（30）Second boss（31）On, under described
Iron chair（3）Tube structure（30）Sequentially pass through resilient sleeper-bearing（2）In the second through hole（20）With upper iron chair（1）In
One through hole（10）In, wherein, second boss（31）Located nesting（5）It is mounted in iron chair（1）First boss（11）On,
At this time, the upper iron chair（1）With lower iron chair（3）By resilient sleeper-bearing（2）It is clipped in the middle, in the first through hole（10）And cylinder
Body structure（30）Between form " C " shape gap, the positioning lock is fixed（4）Wedging is somebody's turn to do in " C " shape gap, makes iron chair
（1）, resilient sleeper-bearing（2）And lower iron chair（3）Lock-out state is formed between three in three-dimensional space.
2. lock-up type damping steel rail iron chair combining structure according to claim 1, it is characterised in that：The upper iron chair
（1）Bottom be equipped with one positioning projection seat（12）, corresponding lower iron chair（3）Top be equipped with a positioning groove（32）, in assembling shape
Under state, the positioning projection seat（12）It is embedded in the positioning groove（32）In, to realize upper iron chair（1）With lower iron chair（3）
Radial positioning.
3. lock-up type damping steel rail iron chair combining structure according to claim 2, it is characterised in that：The positioning projection seat
（12）It is square, corresponding positioning groove（32）Also it is square.
4. the lock-up type damping steel rail iron chair combining structure according to Claims 2 or 3, it is characterised in that：Described first
Through hole（10）Positioned at the positioning projection seat（12）Central area；The corresponding tube structure（30）Positioned at the positioning groove
（32）Central area.
5. lock-up type damping steel rail iron chair combining structure according to claim 1, it is characterised in that：The resilient sleeper-bearing
（2）Using microporous foam structure pad or rubber packing.
6. lock-up type damping steel rail iron chair combining structure according to claim 1, it is characterised in that：Work as first through hole
（10）Inner wall when being the conical surface, the positioning lock is fixed（4）Outer wall be also the conical surface, the positioning is nested（5）Outer wall be also
The conical surface.
7. lock-up type damping steel rail iron chair combining structure according to claim 1, it is characterised in that：The positioning and locking
Set（4）On offer threaded hole, to facilitate the positioning lock fixed（4）Dismounting.
8. lock-up type damping steel rail iron chair combining structure according to claim 1, it is characterised in that：The tube structure
（30）In be equipped with a bolt hole, which is slotted hole.
9. lock-up type damping steel rail iron chair combining structure according to claim 1, it is characterised in that：First tabular
Structure is equipped with two first through hole（10）, wherein, a first through hole（10）It is another positioned at the side of center line or line of symmetry
A first through hole（10）Positioned at center line or the opposite side of line of symmetry, and two first through hole（10）Along center line or symmetrically
The length direction dislocation arrangement of line.
10. the lock-up type damping steel rail iron chair combining structure according to claim 1 or 9, it is characterised in that：Described first
Through hole（10）For slotted hole；The positioning lock is fixed（4）Arc-shaped piece of notch geometry, corresponding positioning is nested（5）For an arc
Shape block structure, the shape of the arc block structure, size and radian are fixed with positioning lock（4）Middle notch（40）Shape, size
And radian matches, the embedding hole（50）It is arranged on the circular arc of the arc block structure radially, it is in the assembled condition, described fixed
Position is nested（5）It is fixed with positioning lock（4）With the circular locking sleeve structure of synthesis one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017204170462 | 2017-04-20 | ||
| CN201720417046 | 2017-04-20 |
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| Publication Number | Publication Date |
|---|---|
| CN207244359U true CN207244359U (en) | 2018-04-17 |
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ID=61877033
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734867.9U Active CN207244359U (en) | 2017-04-20 | 2017-06-22 | Lock-up type damping steel rail iron chair combining structure |
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| CN (1) | CN207244359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190589A (en) * | 2017-04-20 | 2017-09-22 | 太仓中博铁路紧固件有限公司 | Lock-up type damping steel rail iron chair combining structure |
| CN111005265A (en) * | 2019-11-07 | 2020-04-14 | 东南大学 | Multi-dimensional isolation and vibration reduction device and method for plate-type ballastless track |
-
2017
- 2017-06-22 CN CN201720734867.9U patent/CN207244359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190589A (en) * | 2017-04-20 | 2017-09-22 | 太仓中博铁路紧固件有限公司 | Lock-up type damping steel rail iron chair combining structure |
| CN111005265A (en) * | 2019-11-07 | 2020-04-14 | 东南大学 | Multi-dimensional isolation and vibration reduction device and method for plate-type ballastless track |
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