CN108978362A - A kind of steel rail vibration reduction fastener - Google Patents
A kind of steel rail vibration reduction fastener Download PDFInfo
- Publication number
- CN108978362A CN108978362A CN201710608867.9A CN201710608867A CN108978362A CN 108978362 A CN108978362 A CN 108978362A CN 201710608867 A CN201710608867 A CN 201710608867A CN 108978362 A CN108978362 A CN 108978362A
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- China
- Prior art keywords
- locating piece
- fastener
- positioning column
- rail
- vibration reduction
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/44—Fastening the rail on the tie-plate
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2201/00—Fastening or restraining methods
- E01B2201/04—Fastening or restraining methods by bolting, nailing or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
A kind of steel rail vibration reduction fastener, including backing plate, elastomer, support plate, locating piece and retention mechanism are disclosed herein；It is provided with positioning column on backing plate, first through hole is offered on locating piece, locating piece is set in the outside of positioning column by first through hole；Retention mechanism includes fastener and locking cover board, and fastener is connect with positioning column, and fastener compresses locating piece by locking cover board；The side of support plate is connect with elastomer, and elastomer is fixed at the web of the rail of rail, and the other side of support plate is resisted against on locating piece；Contact surface between support plate and locating piece is inclined-plane, and the top on inclined-plane is tilted to the side close to rail；The application can be applied to technical field of rail traffic, can effectively solve the problem that problems of the prior art using the application, can be realized the convenient installation operation of locating piece, to be supplied to the enough pressing forces of elastomer；Further, additionally it is possible to which the composition of preferred existing steel rail vibration reduction fastener can be realized more convenient and fast installation maintenance operation.
Description
Technical field
This application involves but be not limited to field of track traffic, especially a kind of steel rail vibration reduction fastener.
Background technique
In recent years, it with the fast development with subway, inter-city passenger rail etc. for the Rail Transit System of representative, effectively alleviates
The nervous situation of urban transportation, and at the same time, the vibration of these mode of transportation brings, noise pollution also give the production of people raw
Work brings very big puzzlement.Rail fastening is playing the same of fixed rail function as the connecting component between rail and sleeper
When, vibration and noise reducing function is also increasingly valued by people.
Currently, being proposed a series of rail fastening products with vibration and noise reducing function in the market.And subtract numerous
It is a kind of that rail is clamped to the Damping fastening effectiveness in vibration suppression with higher lifted from rail two sides in vibration fastener product, and can
It to conveniently realize the dismounting and change of components, therefore is widely applied, the deep favor by market.
The Damping fastening design for lifting rail is clamped from two sides in order to realize, it is public in the numerous patents of ZL00810625.8
Multiple technologies scheme is opened；Wherein, these disclosed prior arts are: rail two sides are equipped with elastomer, pass through support construction
The rail two sides that elastomer is clamped have the shoulder arrangement of protrusion on bottom plate, there is locating piece between support construction and shoulder block, fixed
Support construction is positioned and the clamping force for clamping rail is transmitted on the shoulder arrangement of bottom plate by position block.
The above-mentioned prior art gives full play to the cutting performance of rail two-side elastic body, subtracts so that this kind of fastener is with higher
Vibration effect.However, there is also following deficiencies in the long-term use:
1, in order to fix the support construction for supporting elastomer, the prior art, which is used, is placed on support construction and bottom for locating piece
Design between plate shoulder block achieves the goal.But track Damping fastening be a service life length, service life be long, maintenance at
This high track product；The prior art in the long-term use, due to train wheel and rail continuous shock vibrate so that
Locating piece is gradually loosened and is moved upwards, and is eventually led to and is occurred between locating piece and elastomer support structure, bottom plate shoulder block
It separates and pops up, a whole set of fastener system is caused to fail；Fastener system forfeiture is caused to support and fix ability to rail, there are rows
Vehicle security risk.
2, fastener system in the prior art needs the pressurizing device using speciality, such as by hydraulic jack to elastomer
Support construction applies certain pressure, to guarantee that elastomer clamps rail.However, as above problem occurrence frequency increases, track
Maintenance and Repair workload and capital investment greatly increase；Especially rail transportation operation route, operation is very busy,
Stop normal operation to carry out railway maintenance being unpractical；Repair and maintenance can only be carried out by of short duration operation interval；
Therefore, in actual operation, it is not easy to operate since special pressurizing device is very heavy, construction personnel often uses its other party
Method such as strikes the problems such as locating piece pressure is pounded into positioning, cause fastener damage of components, dimensional discrepancy over time by the method for pounding, instead
And the development of problem described in 1 is exacerbated, form vicious circle.
Summary of the invention
The technical issues of the application solves is to provide a kind of steel rail vibration reduction fastener, can effectively solve the problem that and exists in the prior art
The problem of, it can be realized the convenient installation operation of locating piece, to be supplied to the enough pressing forces of elastomer；Further, moreover it is possible to
The composition of enough preferably existing steel rail vibration reduction fasteners can be realized more convenient and fast installation maintenance operation.
In order to solve the above technical problems, this application provides a kind of steel rail vibration reduction fastener, including backing plate, it further include elasticity
Body, support plate, locating piece and retention mechanism；
It is provided with positioning column on the backing plate, first through hole is offered on the locating piece, the locating piece passes through described
First through hole is set in the outside of the positioning column；
The retention mechanism includes fastener and locking cover board, and the fastener is connect with the positioning column, the fastening
Part compresses the locating piece by the locking cover board；
The side of the support plate is connect with the elastomer, and the elastomer is fixed at the web of the rail of rail, described
The other side of support plate is resisted against on the locating piece；Contact surface between the support plate and the locating piece is inclined-plane, institute
The top for stating inclined-plane is tilted to the side close to rail.
Above-mentioned steel rail vibration reduction fastener can also have following features,
The fastener includes screw bolt and nut, and the second through-hole, the head card of the bolt are offered on the positioning column
Tightly on the bottom end outer of second through-hole, the threaded shank of the bolt wears second through-hole, and end extends to institute
State the top of positioning column；
The nut is bolted with described, and the lower surface of the nut compresses the locking cover board.
Above-mentioned steel rail vibration reduction fastener can also have following features,
The fastener is bolt, and the top of the positioning column is provided with internal screw thread；
The bolt wears the locking cover board and is tightened on the internal screw thread of the positioning column.
Above-mentioned steel rail vibration reduction fastener can also have following features,
The fastener is nut, and the top of the positioning column is provided with external screw thread；
The nut is tightened on the outer bolt of the positioning column, and the lower surface of the nut compresses the locking lid
Plate.
Above-mentioned steel rail vibration reduction fastener can also have following features,
Further include anchor bolt, third through-hole is provided on the backing plate, the anchor bolt wears the third through-hole
The backing plate is fixed on track foundation.
Above-mentioned steel rail vibration reduction fastener can also have following features,
The fastener is anchor bolt, offers the second through-hole on the positioning column；
The anchor bolt successively wears the locking cover board, second through-hole and the locating piece is fixed on the pad
On plate, and the backing plate is fixed on track foundation.
Above-mentioned steel rail vibration reduction fastener can also have following features,
It further include adjustment gasket, the adjustment gasket is set to the upper surface for locking cover board and/or the locking cover board
Lower surface.
Above-mentioned steel rail vibration reduction fastener can also have following features,
Limit shoulder block is additionally provided on the backing plate, the locating piece is resisted against the limit away from the side of the support plate
On the side of position shoulder block.
Above-mentioned steel rail vibration reduction fastener can also have following features,
Elastic cushion under rail is set between the backing plate and the rail.
Above-mentioned steel rail vibration reduction fastener can also have following features,
It is provided between the backing plate and track foundation and couples backing plate.
The application above-mentioned technical proposal has the following beneficial effects:
Compared with the prior art, the present invention can be realized locating piece on positioning column by the setting of retention mechanism
Position is fixed；Support plate can be enabled to be pressed to rail side by the contact of incline plane between above-mentioned support plate and locating piece
It is mobile, to effectively improve the structural stability of rail；One end of above-mentioned support plate can realize the fixed behaviour in position by locating piece
Make；The other end of above-mentioned support plate can firmly hold out against elastomer in the web of the rail position of rail, to realize the clamping support of rail
The technical effect of act.
Further, rail can also can be applied to the transverse direction of support plate by the setting of above-mentioned positioning column by the present invention
Power, located piece is transferred at positioning column；Above-mentioned positioning column and backing plate can be integrated design, and then can pass through backing plate and positioning
Column integrally realizes effective carrying of above-mentioned cross force；Also locating piece can be effectively prevent by the setting of above-mentioned retention mechanism
Loosening pop-up, eliminate traffic safety hidden danger；Meanwhile installation and the attended operation of fastener system can also be simplified, it can be avoided spy
The application of installation tool processed.
Further, the present invention can also be passed through the cross force that rail applies by the setting of above-mentioned limit shoulder block
Support plate, locating piece are transferred at limit shoulder block；That is, effective carrying of cross force can be realized by above-mentioned limit shoulder block；It is logical
The setting for crossing above-mentioned limit shoulder block can effectively improve the whole structural stability in the process of running of steel rail vibration reduction fastener.
Further, the present invention can also can be realized the convenient tune of rail pretightning force by the setting of above-mentioned adjustment gasket
Section operation, can be avoided the application of special tool(s)；The purpose of above-mentioned setting, it is intended to enable to support plate towards rail into one
Moved further with further compresses elastomeric, and then realizes the adjusting operation of the pretightning force of rail.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood by implementing the embodiment of the present invention.The purpose of the application and other advantages can be by illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this
The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is in the structural schematic diagram of non-tightening state for the locating piece in the embodiment of the present invention one；
Fig. 2 is in the structural schematic diagram of tightening state for the locating piece in the embodiment of the present invention one；
Fig. 3 is the stereoscopic schematic diagram of the backing plate in the embodiment of the present invention one；
Fig. 4 is the perspective diagram of the backing plate in the embodiment of the present invention one；
Fig. 5 is the structural schematic diagram of the support plate in the embodiment of the present invention one；
Fig. 6 is the structural schematic diagram of the locating piece in the embodiment of the present invention one；
Fig. 7 is the structural schematic diagram of the locking cover board in the embodiment of the present invention one；
Fig. 8 is the structural schematic diagram of the coupling backing plate in the embodiment of the present invention one；
Fig. 9 is the structural schematic diagram in the embodiment of the present invention two；
Figure 10 is the structural schematic diagram in the embodiment of the present invention three；
Figure 11 is the stereoscopic schematic diagram of the backing plate in the embodiment of the present invention three；
Figure 12 is the structural schematic diagram in the embodiment of the present invention four；
Figure 13 is the stereoscopic schematic diagram of the backing plate in the embodiment of the present invention five；
Figure 14 is the structural schematic diagram in the embodiment of the present invention five.
It illustrates:
1- backing plate, elastic cushion under 2- rail, 3- rail, 4- elastomer, 5- support plate, 6-T type bolt, 7- lock cover board, 8-
Locating piece, 9- positioning column, 10- limit shoulder block, and 11- couples backing plate, 12- anchor bolt, 13- nut, 14- hex bolts, 101-
First side, 102- second side, 103- annular step surface.
Specific embodiment
Embodiments herein is described in detail below in conjunction with attached drawing.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can mutual any combination.
Embodiment one:
As shown in Figure 1, the embodiment of the present invention one provides a kind of steel rail vibration reduction fastener, may include backing plate 1, elastomer 4,
Support plate 5, locating piece 8 and retention mechanism；It is provided with positioning column 9 on backing plate 1, first through hole, locating piece are offered on locating piece 8
8 are set in the outside of positioning column 9 by first through hole；Wherein, above-mentioned locating piece 8 can carry out position sliding along positioning column 9
To adjust the vertical position of locating piece 8；Above-mentioned positioning column 9 is preferably vertically arranged on backing plate 1, i.e., locating piece 8 can be along fixed
The position that position column 9 carries out vertical direction is mobile.
In the present embodiment, above-mentioned retention mechanism includes fastener and locking cover board 7, and fastener is connect with positioning column 9, is fastened
Part compresses locating piece 8 by locking cover board 7；The side of support plate 5 is connect with elastomer 4, and elastomer 4 is fixed on rail 3
At the web of the rail, the other side of support plate 5 is resisted against on locating piece 8；Contact surface between support plate 5 and locating piece 8 is inclined-plane, inclined-plane
Top to close to rail 3 side tilt.
In concrete operations, it can be realized position of the locating piece 8 on positioning column 9 by the setting of retention mechanism and fix；
Support plate 5 can be enabled to be pressed to the movement of 3 side of rail by the contact of incline plane between above-mentioned support plate 5 and locating piece 8,
To effectively improve the structural stability of rail 3；One end of above-mentioned support plate 5 can realize position fixed operation by locating piece 8；
The other end of above-mentioned support plate 5 can firmly hold out against elastomer 4 in the web of the rail position of rail 3, to realize the clamping of rail 3
The technical effect lifted；Rail 3 can be applied to the cross force of support plate 5 by the setting of above-mentioned positioning column 9, through fixed
Position block 8 is transferred at positioning column 9；Above-mentioned positioning column 9 can be integrated design with backing plate 1, and then can pass through backing plate 1 and positioning column
The 9 whole effective carryings for realizing above-mentioned cross force.
As shown in Figure 1, Figure 2, above-mentioned fastener includes screw bolt and nut 13 in the present embodiment, opened on above-mentioned positioning column 9
Equipped with the second through-hole, the head of bolt is clamped on the bottom end outer of the second through-hole, and the threaded shank of bolt wears the second through-hole, and
End extends to the top of positioning column 9；Nut 13 be bolted, the lower surface of nut 13 compresses locking cover board 7；Nut 13 with
Lock settable gasket and spring washer between cover board 7；T-bolt 6 in above-mentioned bolt preferably diagram, and above-mentioned T-type spiral shell
Bolt 6 carries out installation operation in handstand posture.
In concrete operations, before tightening T-bolt 6, the upper surface of locating piece 8 is higher than positioning column 9 in the horizontal direction
Upper surface；During gradually tightening nut 13, locating piece 8 moves gradually downward, until the upper surface of locating piece 8 and fixed
The upper surface of position column 9 flushes；At this point, the lower surface of locking cover board 7 is also pressed on the upper surface of positioning column 9, nut 13 reaches stubborn
Tight state.
Aforesaid operations aim at effectively tightening for nut 13；That is, if without positioning column 9, or locking cover board 7 does not have
It is close to the upper surface of positioning column 9, then nut 13 just can not be tightened really, when vibrating, nut 13 is likely to occur
It loosens, and then T-bolt 6 is caused to loosen, so as to cause the loosening of locating piece 8；According to above scheme, cover board 7 and positioning column 9 are locked
It is close to upper surface, it can be ensured that nut 13 is tightened, it is ensured that clamping screw and locating piece 8 do not loosen.
In concrete operations, the handstand of above-mentioned T-bolt 6 is arranged, and T-bolt 6 can be effectively prevent to extract upwards；It is positioning
Locking cover board 7 is placed above block 8, above locking cover board 7, settable spring washer is with accessories such as attaching nuts 13 by T-type spiral shell
Bolt 6 is tightened, thus by being locked between locating piece 8 and backing plate 1.
In the present embodiment, above-mentioned 3 Damping fastening of rail further includes anchor bolt 12, and third through-hole, anchor are provided on backing plate 1
Fixing bolt 12 wears third through-hole and backing plate 1 is fixed on track foundation.In concrete operations, the setting of above-mentioned anchor bolt 12,
It realizes and is bonded between backing plate 1 and track foundation；In addition, elastic cushion 2 under rail is set between above-mentioned backing plate 1 and rail 3, on
The setting of elastic cushion 2 under rail is stated, the damping property of fastener entirety can be effectively improved.
In conjunction with shown in Fig. 3, Fig. 4, it is preferable that in order to effectively improve the structural stability of steel rail vibration reduction fastener entirety；
In the present embodiment, limit shoulder block 10 is additionally provided on above-mentioned backing plate 1, locating piece 8 is resisted against limit away from the side of the support plate 5
On the side of position shoulder block 10.
In concrete operations, the setting of above-mentioned limit shoulder block 10, the cross force that can apply rail 3 passes through support plate 5, determines
Position block 8 is transferred at limit shoulder block 10；That is, effective carrying of cross force can be realized by above-mentioned limit shoulder block 10；By upper
The setting for stating limit shoulder block 10 can effectively improve the whole structural stability in the process of running of steel rail vibration reduction fastener.
Preferably, the first through hole sectional area of above-mentioned locating piece 8 is greater than the sectional area of positioning column 9, positions after being installed in place
Column 9 can contact between locating piece 8 without position, and locating piece 8 is contacted away from the side of support plate 5 with limit shoulder block 10, can incite somebody to action
Rail 3 is applied to the cross force of support plate 5, and the position of limit shoulder block 10 is transferred to by locating piece 8, and then can realize above-mentioned cross
Effective carrying to power.
Referring to figs 5 and 6, the first side 101 of support plate 5 and the second side 102 of locating piece 8 are connected with each other, on
It states first side 101 and second side 102 constitutes the inclined-plane to contact with each other.
In concrete operations, this characteristic is tilted to the side close to rail 3 based on the top on inclined-plane, as nut 13 is continuous
It tightens, downward movement occurs for locating piece 8；In turn, locating piece 8 can by itself second side 102 and support plate 5 first
Side 101 interacts, and pushes support plate 5 mobile to 3 side of rail, occurs in the moving process elastomer 4 of support plate 5
Flexible deformation generates clamping force to rail 3, and then can realize being fixedly clamped for rail 3.
As shown in fig. 7, in the present embodiment, the setting of above-mentioned locking cover board 7, it is intended to attaching nut 13 tightens operation,
In the rundown process of nut 13, locating piece 8 can effectively be compressed by locking cover board 7.
As shown in figure 8, in the present embodiment, the setting of above-mentioned coupling backing plate 11, it is intended to avoid between track foundation and backing plate 1
Rigid contact；In order to cooperate the attended operation of anchor bolt 12, offer on above-mentioned coupling backing plate 11 for anchor bolt 12
Perforative through-hole.
Preferably, in order to realize 3 clamping force of rail convenient adjusting operation；Above-mentioned 3 Damping fastening of rail further includes
Gasket is adjusted, adjustment gasket is set to the upper surface of locking cover board 7, and/or the lower surface of locking cover board 7.It is above-mentioned in the present embodiment
Adjust the lower surface that gasket can be set to locking cover board 7.
In concrete operations, in the long-term use process, a degree of abrasion can occur Damping fastening for elastomer 4, into
And clamping force is caused to lose；When not reaching replacement and requiring, clamping of the fastener to rail 3 can be adjusted by the following method
Power: the nut 13 of clamping screw is unclamped, and adjustment gasket is placed between locating piece 8 and locking cover board 7；Above-mentioned adjusting pad on piece
Settable through-hole, the through-hole of screw bolt passes locating piece 8, after adjusting the through-hole of gasket and locking the through-hole of cover board 7, with spiral shell
Mother 13 tightens connection.
Compare non-mounting and adjusting gasket when, the distance that the locating piece 8 after above-mentioned mounting and adjusting gasket moves down will increase
Add, and then support plate 5 is also increase accordingly to the mobile distance in rail direction, clamping force caused by elastomer 4 is worn is made up with this
Loss；Effective adjusting of 3 pretightning force of rail can be realized, to adapt to unused track circuit based on the adjustment gasket of different-thickness
Design requirement.
It should be noted that the adjusting of above-mentioned rail pretightning force, it can also be by using the locking of different-thickness, different number
Cover board 7, or realized using the locating piece 8 for not having to thickness；The purpose of above-mentioned setting, it is intended to enable to support plate 5 towards steel
The further movement of rail with further compresses elastomeric 4, and then realizes the adjusting operation of the pretightning force of rail 3.
Embodiment two:
Second embodiment of the present invention provides a kind of steel rail vibration reduction fastener, main structure is similar with embodiment one, also includes pad
Plate, elastomer, support plate, locating piece and retention mechanism；About the record of main structure, refer to detailed in previous embodiment one
It is thin to record；It is intended to illustrate difference between the two herein.
As shown in figure 9, fastener is bolt in the present embodiment, the top of positioning column 9 is provided with internal screw thread；Bolt is worn
Locking cover board is tightened on the internal screw thread of positioning column 9.Wherein, above-mentioned bolt can be the hex bolts 14, Huo Zheqi in diagram
The bolt of his structure type.
In concrete operations, above-mentioned positioning column 9 may be configured as through-hole structure, and through-hole inner surface is provided with screw thread；Work as positioning
Block is set in after 9 outside of positioning column, locking cover board can be arranged and be passed through above locating piece, and by the threaded shank of hex bolts 14
Locking cover board is worn, and tightens and connect with the internal screw thread opened up on positioning column 9, to realize effective clamping operation of locating piece.
Embodiment three:
The embodiment of the present invention three provides a kind of steel rail vibration reduction fastener, and main structure is similar with embodiment one, also includes pad
Plate, elastomer, support plate, locating piece and retention mechanism；About the record of main structure, refer to detailed in previous embodiment one
It is thin to record；It is intended to illustrate difference between the two herein.
As shown in Figure 10, in the present embodiment, fastener is nut 13, and the top of positioning column 9 is provided with external screw thread；Nut 13
It is tightened on the outer bolt of positioning column 9, and the lower surface of nut 13 compresses locking cover board.Above-mentioned nut 13 can be common hexagonal
The nut of nut or other structures form.
In concrete operations, the external screw thread of certain length can be offered on the top of positioning column 9, when locating piece is set in positioning
After 9 outside of column, cover board setting can will be locked above locating piece, and the external screw thread that nut 13 and 9 top of positioning column are opened up
Connection is tightened, to realize effective clamping operation of locating piece.
In conjunction with shown in Figure 10, Figure 11, further, in the present embodiment, above-mentioned positioning column 9 includes the thread segment on top under
The cylindrical section in portion, the diameter of above-mentioned cylindrical section are greater than the diameter of thread segment, have between above-mentioned cylindrical section and the contact surface of the end of thread
There is annular step surface 103.
In concrete operations, before not tightening clamping screw, locking cover board upper surface is higher than the annular step surface of positioning column 9
103 certain distances, the distance are to be got according to clamping force demand by calculating；During tightening clamping screw, locating piece
It moves down, and pushes support plate mobile to rail direction, the elastomer of rail two sides occurs flexible deformation simultaneously and compressed, steel
Rail is acted on by certain clamping force.In addition, the adjusting of rail pretightning force, before clamping screw can also being tightened by change, locking
The distance between annular step surface 103 of cover board upper surface and positioning column 9 is realized.
Example IV:
The embodiment of the present invention four provides a kind of steel rail vibration reduction fastener, and main structure is similar with embodiment one, also includes pad
Plate, elastomer, support plate, locating piece and retention mechanism；About the record of main structure, refer to detailed in previous embodiment one
It is thin to record；It is intended to illustrate difference between the two herein.
As shown in figure 12, in the present embodiment, above-mentioned fastener is anchor bolt 12, offers the second through-hole on positioning column 9；
Anchor bolt 12 successively wears locking cover board, locating piece is fixed on backing plate, and backing plate is fixed on track by the second through-hole
On the basis of.
In concrete operations, locating piece can be set in the outside of positioning column 9, and the upper of locating piece is arranged in locking cover board
Side；In turn, it after anchor bolt 12 can successively be worn to locking cover board, the second through-hole, and tightens and connect with track foundation；Above-mentioned anchor
After fixing bolt 12 and track foundation are tightened, locating piece can be effectively fixed on backing plate, while backing plate is also effectively fixed in rail
On the basis of road.
It should be noted that above-mentioned backing plate is not provided with limit shoulder block, the transverse direction that above-mentioned rail applies in the present embodiment
Power can be transferred on the positioning column on backing plate by support plate, locating piece.
Embodiment five:
The embodiment of the present invention five provides a kind of steel rail vibration reduction fastener, and main structure is similar with embodiment one, also includes pad
Plate, elastomer, support plate, locating piece and retention mechanism；About the record of main structure, refer to detailed in previous embodiment one
It is thin to record；It is intended to illustrate difference between the two herein.
As shown in figs. 13 and 14, in the present embodiment, above-mentioned positioning column 9 is that side wall opens up hollow cylinder jaggy.
In concrete operations, the setting of hollow cylinder jaggy can be opened up by above-mentioned side wall, can effectively be provided more
Installation space give adjacent component, to overcome the limitation of spatial arrangement；Excision and other parts may be selected in above-mentioned hollow cylinder
The part interfered, the positioning column left, which is subject to, can satisfy the effective support for locking cover board.
One, embodiment two, embodiment three, example IV and embodiment five are it is found that the present invention can pass through in conjunction with the embodiments
The setting of retention mechanism can be realized position of the locating piece on positioning column and fix；Can by above-mentioned support plate and locating piece it
Between contact of incline plane, enable to support plate to be pressed to rail side mobile, to effectively improve the structural stability of rail；It is above-mentioned
One end of support plate can realize position fixed operation by locating piece；The other end of above-mentioned support plate, can be by elastomer firmly
It holds out against in the web of the rail position of rail, to realize technical effect that the clamping of rail is lifted.
Further, rail can also can be applied to the transverse direction of support plate by the setting of above-mentioned positioning column by the present invention
Power, located piece is transferred at positioning column；Above-mentioned positioning column and backing plate can be integrated design, and then can pass through backing plate and positioning
Column integrally realizes effective carrying of above-mentioned cross force；Also locating piece can be effectively prevent by the setting of above-mentioned retention mechanism
Loosening pop-up, eliminate traffic safety hidden danger；Meanwhile installation and the attended operation of fastener system can also be simplified, it can be avoided spy
The application of installation tool processed.
Further, the present invention can also be passed through the cross force that rail applies by the setting of above-mentioned limit shoulder block
Support plate, locating piece are transferred at limit shoulder block；That is, effective carrying of cross force can be realized by above-mentioned limit shoulder block；It is logical
The setting for crossing above-mentioned limit shoulder block can effectively improve the whole structural stability in the process of running of steel rail vibration reduction fastener.
Further, the present invention can also can be realized the convenient tune of rail pretightning force by the setting of above-mentioned adjustment gasket
Section operation, can be avoided the application of special tool(s)；The purpose of above-mentioned setting, it is intended to enable to support plate towards rail into one
Moved further with further compresses elastomeric, and then realizes the adjusting operation of the pretightning force of rail.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. be shall be understood in a broad sense, example
Such as, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be with
Indirectly connected through an intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the application
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the embodiment of the present invention is as above, described
The content only embodiment of the present invention and the embodiment that uses for ease of understanding, be not intended to limit the invention embodiment.It is any
Technical staff in fields of the embodiment of the present invention, in the premise for not departing from spirit and scope disclosed by the embodiment of the present invention
Under, any modification and variation, but the scope of patent protection of the embodiment of the present invention can be carried out in the form and details of implementation,
Still it should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of steel rail vibration reduction fastener, including backing plate；It is characterized in that, further including elastomer, support plate, locating piece and fastening machine
Structure；
It is provided with positioning column on the backing plate, first through hole is offered on the locating piece, the locating piece passes through described first
Through-hole is set in the outside of the positioning column；
The retention mechanism includes fastener and locking cover board, and the fastener is connect with the positioning column, and the fastener is logical
It crosses the locking cover board and compresses the locating piece；
The side of the support plate is connect with the elastomer, and the elastomer is fixed at the web of the rail of rail, the support
The other side of plate is resisted against on the locating piece；Contact surface between the support plate and the locating piece is inclined-plane, described oblique
The top in face is tilted to the side close to rail.
2. steel rail vibration reduction fastener according to claim 1, which is characterized in that
The fastener includes screw bolt and nut, and the second through-hole is offered on the positioning column, and the head of the bolt is clamped on
On the bottom end outer of second through-hole, the threaded shank of the bolt wears second through-hole, and end extend to it is described fixed
The top of position column；
The nut is bolted with described, and the lower surface of the nut compresses the locking cover board.
3. steel rail vibration reduction fastener according to claim 1, which is characterized in that
The fastener is bolt, and the top of the positioning column is provided with internal screw thread；
The bolt wears the locking cover board and is tightened on the internal screw thread of the positioning column.
4. steel rail vibration reduction fastener according to claim 1, which is characterized in that
The fastener is nut, and the top of the positioning column is provided with external screw thread；
The nut is tightened on the outer bolt of the positioning column, and the lower surface of the nut compresses the locking cover board.
5. according to steel rail vibration reduction fastener described in Claims 2 or 3 or 4, which is characterized in that
Further include anchor bolt, third through-hole is provided on the backing plate, the anchor bolt wears the third through-hole for institute
Backing plate is stated to be fixed on track foundation.
6. steel rail vibration reduction fastener according to claim 1, which is characterized in that
The fastener is anchor bolt, offers the second through-hole on the positioning column；
The anchor bolt successively wears the locking cover board, second through-hole and the locating piece is fixed on the backing plate
On, and the backing plate is fixed on track foundation.
7. steel rail vibration reduction fastener described according to claim 1 or 2 or 3 or 4 or 6, which is characterized in that
It further include adjustment gasket, the adjustment gasket is set under upper surface and/or the locking cover board of the locking cover board
Surface.
8. steel rail vibration reduction fastener described according to claim 1 or 2 or 3 or 4 or 6, which is characterized in that
Limit shoulder block is additionally provided on the backing plate, the locating piece is resisted against the limiting block away from the side of the support plate
On the side of shoulder.
9. steel rail vibration reduction fastener according to claim 8, which is characterized in that
Elastic cushion under rail is set between the backing plate and the rail, is provided between the backing plate and track foundation and couples pad
Plate.
10. steel rail vibration reduction fastener according to claim 1, which is characterized in that
The positioning column is that side wall opens up hollow cylinder jaggy.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017104032912 | 2017-05-31 | ||
| CN201710403291 | 2017-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108978362A true CN108978362A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720899633.XU Active CN207121759U (en) | 2017-05-31 | 2017-07-24 | A kind of steel rail vibration reduction fastener |
| CN201710608867.9A Pending CN108978362A (en) | 2017-05-31 | 2017-07-24 | A kind of steel rail vibration reduction fastener |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720899633.XU Active CN207121759U (en) | 2017-05-31 | 2017-07-24 | A kind of steel rail vibration reduction fastener |
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| CN (2) | CN207121759U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431075A (en) * | 2020-11-11 | 2021-03-02 | 杭州量创科技咨询有限公司 | Mine transportation track anti-deviation mechanism |
| CN113529497A (en) * | 2020-04-21 | 2021-10-22 | 洛阳双瑞橡塑科技有限公司 | Track vibration damping system |
| CN114032713A (en) * | 2021-12-06 | 2022-02-11 | 株洲时代新材料科技股份有限公司 | Steel rail connecting device and steel rail fixing structure |
| CN114790668A (en) * | 2022-04-25 | 2022-07-26 | 上海工程技术大学 | Low-height vibration reduction fastener with side baffles |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207121759U (en) * | 2017-05-31 | 2018-03-20 | 洛阳科博思新材料科技有限公司 | A kind of steel rail vibration reduction fastener |
| CN109930432B (en) * | 2019-04-08 | 2020-09-01 | 西南交通大学 | Multi-mass-piece two-side clamping device for vibration reduction of track |
| CN112064427B (en) * | 2019-06-10 | 2024-09-20 | 洛阳双瑞橡塑科技有限公司 | Floating fixing device |
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| CN113529497A (en) * | 2020-04-21 | 2021-10-22 | 洛阳双瑞橡塑科技有限公司 | Track vibration damping system |
| CN113529497B (en) * | 2020-04-21 | 2022-11-25 | 洛阳双瑞橡塑科技有限公司 | Track vibration damping system |
| CN112431075A (en) * | 2020-11-11 | 2021-03-02 | 杭州量创科技咨询有限公司 | Mine transportation track anti-deviation mechanism |
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| CN114790668A (en) * | 2022-04-25 | 2022-07-26 | 上海工程技术大学 | Low-height vibration reduction fastener with side baffles |
| CN114790668B (en) * | 2022-04-25 | 2024-02-27 | 上海工程技术大学 | Low-height vibration reduction fastener with side block |
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| Publication number | Publication date |
|---|---|
| CN207121759U (en) | 2018-03-20 |
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