CN209276909U - A kind of railway switch bolt, nut anti-looseness device - Google Patents

A kind of railway switch bolt, nut anti-looseness device Download PDF

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Publication number
CN209276909U
CN209276909U CN201821440313.9U CN201821440313U CN209276909U CN 209276909 U CN209276909 U CN 209276909U CN 201821440313 U CN201821440313 U CN 201821440313U CN 209276909 U CN209276909 U CN 209276909U
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China
Prior art keywords
nut
cover board
rotation
switch bolt
track switch
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CN201821440313.9U
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Chinese (zh)
Inventor
刘飞香
郑大桥
罗震
蒋荣国
林志文
谭元键
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China Railway Construction Heavy Industry Group Co Ltd
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China Railway Construction Heavy Industry Group Co Ltd
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Priority to CN201821440313.9U priority Critical patent/CN209276909U/en
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Abstract

The utility model provides a kind of railway switch bolt, nut anti-looseness device, including anti-rotation cover board and anti-rotation bottom plate, track switch bolt passes through anti-rotation cover board and anti-rotation bottom plate is fixed by track switch nut, anti-rotation cover board is equipped with polygon bayonet, polygon bayonet is engaged with track switch bolt or track switch nut corner angle, forms restricting relation.Anti-rotation cover board is removably interconnected with anti-rotation bottom plate.Transversely two sides are equipped with the side plate to extend out towards anti-rotation bottom plate direction on anti-rotation cover board.It is able to ascend the locking stability and intensity of track switch bolt or track switch nut.

Description

A kind of railway switch bolt, nut anti-looseness device
Technical field
The utility model belongs to railway switch technical field, and in particular to a kind of railway switch bolt, nut anti-looseness device.
Background technique
Impact of the railway switch because being crossed trouble by train for a long time, bolt, nut are loosened because of strenuous vibration in use Or fall off, very big workload is brought to track maintenance and repair, and seriously affect traffic safety.In order to solve bolt, nut pine Dynamic problem, many scientific research departments, track switch production unit have also succeeded in developing various bolts, nut all in the research for doing various aspects Locking device.Part of bolt, nut anti-looseness device are that disposably, once removing adjustment after locking, locking functions are just lost Effect, track switch in the long-term use, need regular maintenance, and the type locking device application effect is undesirable.Its Though the function that remaining part divides bolt, nut anti-looseness device to realize recycling, still exposes stabilization in actual use Property insufficient problem.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide one kind be able to ascend it is locking steady Qualitative and intensity railway switch bolt, nut anti-looseness device.
In order to solve the above-mentioned technical problem, the utility model proposes technical solution are as follows:
A kind of railway switch bolt, nut anti-looseness device, including anti-rotation cover board and anti-rotation bottom plate, track switch bolt pass through anti-rotation Cover board and anti-rotation bottom plate are fixed by track switch nut, and anti-rotation cover board is equipped with polygon bayonet, polygon bayonet and track switch bolt Or the occlusion of track switch nut corner angle, form restricting relation.Anti-rotation cover board is removably interconnected with anti-rotation bottom plate.Anti-rotation Transversely two sides are equipped with the side plate to extend out towards anti-rotation bottom plate direction on cover board.
The locking device of railway switch bolt according to the present utility model, nut, the polygon bayonet energy on anti-rotation cover board It is enough be engaged with track switch bolt or track switch nut corner angle, formation restricting relation, can it is lasting, be reliably prevented bolt, nut loosening, It can effectively solve the problem that track switch causes bolt and nut to loosen problem because being crossed trouble vibration by train for a long time.Due to anti-rotation cover board and anti-rotation Bottom plate is fixed by the way of disassembly, so that the disassembly of track switch bolt or track switch nut and tightening operation are very simple and convenient, only Unloading anti-rotation cover board can be realized disassembly and the tightening operation of track switch bolt or track switch nut.After dismantling repeatedly, not shadow Ring the mechanical anti-rotation performance of locking device.In addition, effectively improving anti-rotation cover board with the structure type of side plate on anti-rotation cover board Intensity and locking stability, to ensure that traffic safety.Again, using the utility model relates to railway switch bolt, Nut anti-looseness device, haves no need to change the structure of track switch components, therefore is able to maintain the versatility of track switch components.
For above-mentioned technical proposal, the further improvement that can also be discussed below.
Railway switch bolt according to the present utility model, nut anti-looseness device, in one preferred embodiment, anti-rotation Cover board is equipped with several can form the polygon bayonet of cooperation with track switch bolt or track switch nut.By on anti-rotation cover board Multiple bayonets are set, can be adapted for the locking or different spacing of multiple track switch bolts or track switch nut track switch bolt or Track switch nut it is locking.
Specifically, in one preferred embodiment, anti-rotation cover board by fastening nut, pin and is opened with anti-rotation bottom plate Mouth pin is fixed, and split pin is arranged in one end on pin close to fastening nut.
The form that the connection of anti-rotation bottom plate and anti-rotation cover board is cooperated using pin, bolt and nut of clip, can make locking dress Globality, the stability set are significantly improved, and further ensure the safety of driving.When scene needs to dismantle track switch bolt Or when nut progress track switch adjustment or part replacement, it is only necessary to which anti-rotation cover board can be unloaded by removing split pin and unclamping nut Realize the disassembly and installation operation of track switch bolt or nut, whole process is very simple and convenient.
Further, in one preferred embodiment, plain washer is equipped between fastening nut and anti-rotation cover board.Pass through Plain washer is set, globality, the stability of locking device can be further increased.
Further, in one preferred embodiment, fastening nut, plain washer and split pin are all made of standard component. Using standard component, it is highly convenient for the production stock of locking device, saves production cost.
Specifically, in one preferred embodiment, pin is equipped with the screw thread that cooperation is formed with fastening nut.Pin On screw thread can be suitable for fastening nut installation.
Further, in one preferred embodiment, fastening nut, pin and split pin and polygon bayonet interval Setting.Passing through spaced fastening nut, pin and split pin, it can be ensured that the installation of entire locking device is reliable and stable, Ensure anti-loosing effect.
Further, in another preferred embodiment, it is arranged one group at interval of two or three polygon bayonets Fastening nut, pin and split pin.By the way that one group of fastening nut, pin is arranged at interval of two or three polygon bayonets and opens Mouthful pin, it is reliable and stable and under the premise of ensure anti-loosing effect in the installation that can ensure entire locking device, simplify knot as far as possible Structure, to save cost.
Further, in one preferred embodiment, anti-rotation bottom plate and anti-rotation cover board are made of galvanized sheet material. Galvanized sheet substrate is Q235 steel, and surface carries out zinc-plated processing, and the resistance to of anti-rotation bottom plate and anti-rotation cover board is enabled to after zinc-plated processing Corrosive nature is effectively ensured, the locking device being therefore particularly suitable on railway switch.
Specifically, in one preferred embodiment, anti-rotation board structure is strip rectangular configuration.Anti-rotation bottom plate structure It makes as strip rectangular configuration, it is extremely simple convenient to manufacture, and can save manufacturing cost.
Compared with prior art, utility model has the advantages that being able to ascend the locking steady of railway switch bolt or nut Qualitative and intensity.
Detailed description of the invention
Hereinafter the utility model will be described in more detail based on the embodiments and with reference to the accompanying drawings.Wherein:
Fig. 1 schematically illustrates the front view structure of the railway switch bolt of the utility model embodiment, nut anti-looseness device;
Fig. 2 schematically illustrates the left view structure of the railway switch bolt of the utility model embodiment, nut anti-looseness device;
Fig. 3 schematically illustrates the plan structure of the railway switch bolt of the utility model embodiment, nut anti-looseness device;
Fig. 4 schematically illustrates the overall structure of the railway switch bolt of the utility model embodiment, nut anti-looseness device;
Fig. 5 schematically illustrates the installation condition of the railway switch bolt of the utility model embodiment, nut anti-looseness device;
Fig. 6 schematically illustrates another knot of the railway switch bolt of the utility model embodiment, nut anti-looseness device Structure.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but is not therefore limited The protection scope of the utility model processed.
Fig. 1 schematically illustrates the main view knot of the railway switch bolt of the utility model embodiment, nut anti-looseness device 10 Structure.Fig. 2 schematically illustrate the railway switch bolt of the utility model embodiment, nut locking device 10 left view structure. Fig. 3 schematically illustrate the railway switch bolt of the utility model embodiment, nut locking device 10 plan structure.Fig. 4 Schematically illustrate the railway switch bolt of the utility model embodiment, the overall structure of nut anti-looseness device 10.Fig. 5 is schematic Show the installation condition of the railway switch bolt of the utility model embodiment, the locking device 10 of nut.Fig. 6 is schematically shown Another structure of the railway switch bolt of the utility model embodiment, nut anti-looseness device 10.
As shown in Figures 1 to 6, the railway switch bolt, nut anti-looseness device 10 of the utility model embodiment, including anti-rotation Cover board 1 and anti-rotation bottom plate 2, track switch bolt 7 pass through anti-rotation cover board 1 and anti-rotation bottom plate 2 and are fixed by track switch nut 8, anti-rotation cover board 1 It is equipped with polygon bayonet 11, polygon bayonet 11 is engaged with track switch bolt 7 or 8 corner angle of track switch nut, forms restricting relation.It is anti- Hub cap plate 1 is removably interconnected with anti-rotation bottom plate 2.Transversely two sides are equipped with towards anti-rotation bottom on anti-rotation cover board 1 The side plate 12 that 2 direction of plate extends out.According to the railway switch bolt of the utility model embodiment, the locking device of nut, prevent Polygon bayonet on hub cap plate can be engaged with track switch bolt or track switch nut corner angle, formed restricting relation, can persistently, can Bolt, nut loosening are prevented by ground, can effectively solve the problem that track switch causes bolt and nut to loosen because being crossed trouble vibration by train for a long time Problem.Since anti-rotation cover board and anti-rotation bottom plate are fixed by the way of disassembly so that the disassembly of track switch bolt or track switch nut and Tightening operation is very simple and convenient, as long as unloading anti-rotation cover board can be realized disassembly and the fastening behaviour of track switch bolt or track switch nut Make.After dismantling repeatedly, the mechanical anti-rotation performance of locking device is not influenced.In addition, the structure shape on anti-rotation cover board with side plate Formula effectively improves the intensity and locking stability of anti-rotation cover board, to ensure that traffic safety.Again, practical using this Novel railway switch bolt, the nut anti-looseness device being related to, haves no need to change the structure of track switch components, therefore be able to maintain The versatility of trouble components.
Further, in one preferred embodiment, anti-rotation cover board 1 can be with track switch bolt 7 equipped with several Or track switch nut 8 forms the polygon bayonet 11 of cooperation.By the way that multiple bayonets are arranged on anti-rotation cover board, can be adapted for multiple The track switch bolt of the locking or different spacing of track switch bolt or track switch nut or track switch nut it is locking.Such as Fig. 1 to Fig. 5 institute Show, there are two the structure shapes of polygon bayonet 11 using the tool of anti-rotation cover board 1 for railway railway switch bolt, nut anti-looseness device 10 Formula, suitable for the locking of two track switch bolts or track switch nut, by adjusting the spacing between two polygon bayonets, it can be achieved that To the locking of two track switch bolts of different spacing or track switch nut.
The locking device 10 of the railway switch bolt of the utility model embodiment, nut, in a preferred embodiment In, as shown in Figures 1 to 6, anti-rotation cover board 1 and anti-rotation bottom plate 2 are fixed by fastening nut 3, pin 4 and split pin 5, split pin 5 are arranged in one end on pin 4 close to fastening nut 3.The connection of anti-rotation bottom plate and anti-rotation cover board using pin, fastening nut and The form of split pin cooperation, can make the globality of locking device, stability be significantly improved, further ensure driving Safety.When scene needs to dismantle track switch bolt or nut carries out track switch adjustment or part replacement, it is only necessary to remove opening Pin and release fastening nut can unload anti-rotation cover board to realize the disassembly and installation operation of track switch bolt or nut, entire mistake Cheng Feichang is simple and convenient.Preferably, pin 4 is fixed on anti-rotation bottom plate 2 in the form of welding, and anti-rotation bottom plate 2 passes through track switch Self structure is fixed on steel rail web.Further, in one preferred embodiment, fastening nut 3 and anti-rotation cover board 1 Between be equipped with plain washer 6.Washer is spelled by setting, globality, the stability of locking device can be further increased.
Further, in one preferred embodiment, as shown in Figures 1 to 5, fastening nut 3, pin 4 and opening Pin 5 and the interval of polygon bayonet 11 are arranged.Pass through spaced fastening nut, pin and split pin, it can be ensured that entire anti- The installation of loose device is reliable and stable, it is ensured that anti-loosing effect.In another preferred embodiment, more at interval of two or three One group of fastening nut 3, pin 4 and split pin 5 is arranged in side shape bayonet 11.By being arranged at interval of two or three polygon bayonets One group of fastening nut, pin and split pin, it is reliable and stable and ensure anti-loosing effect in the installation that can ensure entire locking device Under the premise of, simplify structure as far as possible, to save cost.As shown in fig. 6, by increasing the polygon card on anti-rotation cover board 1 Mouthful 11 quantity and the quantity of the pin 4 on anti-rotation bottom plate 2 can be applicable in 3 and the above track switch bolt 7 or track switch nut 8 It is locking.
Further, in one preferred embodiment, fastening nut 3, plain washer 6 and split pin 5 are all made of standard Part.Using standard component, it is highly convenient for the production stock of locking device, saves production cost.Specifically, in a preferred implementation In mode, pin 4 is equipped with the screw thread that cooperation is formed with nut 3.Screw thread on pin enables to pin to be suitable for nut Installation.As shown in Figures 1 to 6, it is preferable that anti-rotation bottom plate 2 is configured to strip rectangular configuration.Anti-rotation board structure is strip Rectangular configuration, it is extremely simple convenient to manufacture, and can save manufacturing cost.Preferably, 1 two sides bending of anti-rotation cover board is in Similar U-typed structure, effectively improves the intensity and stability of anti-rotation cover board.Inner polygon bayonet 11 is set on anti-rotation cover board 1, Anti-rotation cover board 1 is installed by adjusting track switch bolt 7 or 8 angle of track switch nut, make 11 teeth of polygon bayonet of anti-rotation cover board 1 with Track switch bolt 7 or the occlusion of 8 corner angle of track switch nut, form restricting relation, play anti-loose effect.
Further, in one preferred embodiment, anti-rotation bottom plate 2 and anti-rotation cover board 1 are by galvanized sheet material system At.Galvanized sheet substrate is Q235 steel, and surface carries out zinc-plated processing, and anti-rotation bottom plate and anti-rotation cover board are enabled to after zinc-plated processing Corrosion resistance is effectively ensured, the locking device being therefore particularly suitable on railway switch.
According to above-described embodiment, it is seen then that the utility model relates to railway switch bolt, nut locking device, can Promote the locking stability and intensity of track switch bolt or track switch nut.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing In structural conflict, items technical characteristic mentioned in the various embodiments be can be combined in any way.The utility model It is not limited to specific embodiment disclosed herein, but is included all technical solutions falling within the scope of the claims.

Claims (10)

1. a kind of railway switch bolt, nut anti-looseness device, including anti-rotation cover board and anti-rotation bottom plate, track switch bolt passes through described anti- Hub cap plate and the anti-rotation bottom plate are fixed by track switch nut, and the anti-rotation cover board is equipped with polygon bayonet, the polygon Bayonet is engaged with track switch bolt or track switch nut corner angle, forms restricting relation;The anti-rotation cover board and the anti-rotation bottom plate are with can The mode of disassembly interconnects;It is characterized in that,
Transversely two sides are equipped with the side plate to extend out towards anti-rotation bottom plate direction on the anti-rotation cover board.
2. railway switch bolt according to claim 1, nut anti-looseness device, which is characterized in that on the anti-rotation cover board The polygon bayonet of cooperation can be formed with track switch bolt or track switch nut equipped with several.
3. railway switch bolt according to claim 1 or 2, nut anti-looseness device, the anti-rotation cover board and the anti-rotation Bottom plate is fixed by fastening nut, pin and split pin, and the split pin is arranged on the pin close to the fastening nut One end.
4. railway switch bolt according to claim 3, nut anti-looseness device, which is characterized in that the fastening nut with Plain washer is equipped between the anti-rotation cover board.
5. railway switch bolt according to claim 4, nut anti-looseness device, which is characterized in that the fastening nut, institute It states plain washer and the split pin is all made of standard component.
6. railway switch bolt according to claim 3, nut anti-looseness device, which is characterized in that the pin is equipped with The screw thread of cooperation is formed with the fastening nut.
7. railway switch bolt according to claim 3, nut anti-looseness device, which is characterized in that the fastening nut, institute It states pin and the split pin and polygon bayonet interval is arranged.
8. railway switch bolt according to claim 3, nut anti-looseness device, which is characterized in that at interval of two or three Fastening nut, the pin and the split pin described in a described one group of the setting of polygon bayonet.
9. railway switch bolt according to claim 1 or 2, nut anti-looseness device, which is characterized in that the anti-rotation bottom plate It is made with the anti-rotation cover board of galvanized sheet material.
10. railway switch bolt according to claim 1 or 2, nut anti-looseness device, which is characterized in that the anti-rotation bottom Plate structure is strip square shape plate construction.
CN201821440313.9U 2018-09-04 2018-09-04 A kind of railway switch bolt, nut anti-looseness device Active CN209276909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821440313.9U CN209276909U (en) 2018-09-04 2018-09-04 A kind of railway switch bolt, nut anti-looseness device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821440313.9U CN209276909U (en) 2018-09-04 2018-09-04 A kind of railway switch bolt, nut anti-looseness device

Publications (1)

Publication Number Publication Date
CN209276909U true CN209276909U (en) 2019-08-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110904743A (en) * 2019-12-10 2020-03-24 中铁山桥集团有限公司 Mechanical anti-loosening structure of turnout fastener
CN112747027A (en) * 2019-10-29 2021-05-04 中国航发商用航空发动机有限责任公司 Engine casing and bolt anti-loosening device thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112747027A (en) * 2019-10-29 2021-05-04 中国航发商用航空发动机有限责任公司 Engine casing and bolt anti-loosening device thereof
CN110904743A (en) * 2019-12-10 2020-03-24 中铁山桥集团有限公司 Mechanical anti-loosening structure of turnout fastener
CN110904743B (en) * 2019-12-10 2021-10-29 中铁山桥集团有限公司 Mechanical anti-loosening structure of turnout fastener

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