CN204210493U - A kind of adjustable roll locking frame device - Google Patents
A kind of adjustable roll locking frame device Download PDFInfo
- Publication number
- CN204210493U CN204210493U CN201420674138.5U CN201420674138U CN204210493U CN 204210493 U CN204210493 U CN 204210493U CN 201420674138 U CN201420674138 U CN 201420674138U CN 204210493 U CN204210493 U CN 204210493U
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- CN
- China
- Prior art keywords
- locking
- running roller
- locking frame
- frame device
- eccentric shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of adjustable roll locking frame device, comprise locking framework and elasticity running roller, described elasticity running roller is arranged on locking framework bottom by eccentric shaft, described eccentric shaft is provided with the anti-rotation sheet of fixed eccentric shaft.The utility model Elastic running roller is connected by eccentric shaft with locking framework, realizes the Height Adjustable of running roller, facilitates site operation.And elasticity running roller is installed bottom locking frame in the utility model can reducing friction resistance, absorb the impact shock that locking frame is subject to, extend the service life of elasticity running roller.The utility model is adapted to the external locking transfer track switch of various model, applied widely, and simple installation, to safeguard, without maintenance safe and reliable, less, not only meet the needs of existing track switch external locking device transformation but also can be used for new line construction, realize the object reducing investment, reduce fault, improve conveying efficiency.
Description
Technical field
The utility model relates to railway switch outer locking technical field, particularly relates to a kind of adjustable roll locking frame device.
Background technology
Current rail yard track switch supports the use external locking device mostly, the conformability that locking frame stretches to tongue and stock rail is creeped of existing external locking device is bad, when seasonal variations or one direction driving, easily bring the point tongue normal conversion generation jam caused because adjustment amount is not enough during stock rail displacement.Further, between existing common locking frame and locking rod, cliding friction conversion resistance force is large, and direct contact is is very easily worn and torn between the two.Although existing running roller locking frame can improve the large problem of the conversion resistance force that to rub between locking frame and locking rod, running roller height can not adjust, once can not normally use after wearing and tearing.Some external roller type locking devices, its middle roll manufactures together with elastic body, but elastic body is non-exchange, and overall cost is high, difficult in maintenance.
In addition, existing locking iron all adopts common material, and hardening and tempering process resistance to abrasion is poor, has a strong impact on its service life.And due to locking iron structure limit the installation site dimensional characteristic of locking frame strict, after installing, adjustment is also inconvenient.
As can be seen here, above-mentioned existing locking frame device, in structure, method and use, obviously still has inconvenience and defect, and is urgently further improved.How to found a kind of structure simple, use reliable, easy for installation and that cost is low new adjustable roll locking frame device, belong to one of current important research and development problem in fact.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple, service-strong adjustable roll locking frame device, makes the high and low position of its adjustable running roller, improves the reliability of track switch conversion, thus overcome the deficiency of existing locking frame device.
For solving the problems of the technologies described above, the utility model provides a kind of adjustable roll locking frame device, comprise locking framework and elasticity running roller, described elasticity running roller is arranged on locking framework bottom by eccentric shaft, described eccentric shaft is provided with the anti-rotation sheet of fixed eccentric shaft.
Described elasticity running roller comprises the inner sleeve directly contacted with eccentric shaft, the elastic body being positioned at lining the outer surface of, is positioned at the overcoat of outer elastomeric surface and is arranged at the seal ring at overcoat, inner sleeve and elastic body two ends.
Described elasticity running roller also comprises the spacing back-up ring being arranged at described seal ring outer end, and described spacing back-up ring is positioned at overcoat, is interference fit, and leaves gap between the inside face of spacing back-up ring and the outside face of eccentric shaft with described overcoat.
Described gap length and elastomeric ultimate deformation amount adapt.
Described elastic body comprises the first elastic body and is positioned at second elastic body at the first elastic body two ends, and described first elastic body and the second elastic body are the material of two kinds of different elasticity moduluss.
Described seal ring comprises the first seal ring contacted with eccentric shaft and the second seal ring being positioned at the first seal ring outside face, and the elasticity modulus of described second seal ring material is larger than the elasticity modulus of the first seal ring material.
Described running roller locking frame device also comprises the spacing wear plate being positioned at locking framework bottom, described running roller rear, the upper plane 0.1 ~ 1.0mm lower than described running roller vertex tangent plane of described spacing wear plate.
The upper plane 0.5mm lower than described running roller vertex tangent plane of described spacing wear plate.
Described running roller locking frame device also comprises the locking iron that material is alloy steel, and the locking face of described locking iron uses Quenching Treatment, and the contact surface of described locking iron and latch hook is set to the low dip plane of end high, far away locking face, nearly locking face end.
The bolt mounting holes of described locking frame is elongated hole.
Adopt above-mentioned technical scheme, the utility model at least has the following advantages:
1. the utility model middle roll is connected by eccentric shaft with locking framework, realizes the Height Adjustable of running roller, facilitates site operation, make simple installation.
2. being provided with elasticity running roller in the utility model bottom locking frame can reducing friction resistance, absorbs the impact shock that locking frame is subject to.And elasticity running roller adopts sectional construction, pressure and inflection curves all can design, and hermetically-sealed construction improves dustproof and waterproof performance, reach Maintenance free requirement.Elasticity running roller is equipped with spacing back-up ring and the gap of itself and eccentric shaft, effectively can prevent external force from overloading to elastomeric damage, extend the service life of elasticity running roller.
3. the spacing wear plate arranged in the utility model and the mating reaction of elasticity running roller, further ensure the safety of locking frame device.
4. in the utility model, the locking face of locking iron adopts Quenching Treatment, improves resistance to abrasion.In addition, the lower plane that locking iron contacts with latch hook is set to the dip plane with certain angle, can adapt to the actual installation position with stock rail preferably, is conducive to reducing conversion jam.
5. the mounting hole in the utility model, locking frame is connected with stock rail is set to elongated hole, the installation site setting range of locking frame is strengthened, the displacement that better adaptation track switch and tongue thereof cause due to temperature seasonal variations.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solutions of the utility model, and in order to better understand technological means of the present utility model, below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Fig. 1 is the structural front view of the utility model adjustable roll locking frame device;
Fig. 2 is the structure back view of the utility model adjustable roll locking frame device;
Fig. 3 is the structural representation of the utility model adjustable roll locking frame device Elastic running roller.
Detailed description of the invention
Visible with reference to accompanying drawing 1, the utility model adjustable roll locking frame device, comprises locking framework 1, running roller 3 and the eccentric shaft 4 through running roller 3.Running roller 3 is fixed on the bottom of locking framework 1 by eccentric shaft 4, and the afterbody of eccentric shaft 4 is equipped with the anti-rotation sheet 2 for fixed eccentric shaft 4, and after running roller 3 adjusts position by eccentric shaft 4, anti-rotation sheet 2 can prevent eccentric shaft 4 from rotating with this to keep the height of running roller 3.
Preferred embodiment, in order to reduce the friction drag of running roller 3 and locking rod, and absorb the impulse force vibration that this locking frame device is subject to, running roller 3 is preferably elasticity running roller.Visible with reference to accompanying drawing 3, elasticity running roller comprises the inner sleeve 10 of direct and eccentric shaft 4 exterior surface, the elastic body at lining the outer surface of, the overcoat 7 in outer elastomeric surface and is arranged at inner sleeve 10 and elastic body two ends and elastic body is enclosed in seal ring between inner sleeve, overcoat.In order to improve the elastic performance of elasticity running roller and increase service life of elasticity running roller, elastic body in above-mentioned elasticity running roller is combinationally used by the material of two kinds of different elasticity moduluss, as elastic body 8,9, elastic body 8,9 all can adopt the materials such as polytetrafluoro, polyurethane, rubber, optimum embodiment is that elastic body 8 is arranged respectively at elastic body 9 two ends, and the elasticity modulus of elastic body 8 material is larger than the elasticity modulus of elastic body 9 material, certainly, according to actual service condition, the elasticity modulus size of elastic body 8 and 9 can be determined; Equally, seal ring in above-mentioned elasticity running roller is also combinationally used by the seal ring 11,12 of two kinds of materials, seal ring 11,12 all can adopt the materials such as polytetrafluoro, polyurethane, rubber, optimum embodiment is that the outside face of seal ring 11 and the inside face of seal ring 12 are fitted and arranged, and the elasticity modulus of seal ring 12 material is larger than the elasticity modulus of seal ring 11 material.
Optimum embodiment, in order to the damage effectively preventing external force from overloading to running roller elastomer, elasticity running roller also comprise be arranged in overcoat, the spacing back-up ring 13 of seal ring outer end, described spacing back-up ring 13 is interference fit with described overcoat 7, and leaves gap between the outside face of the inside face of spacing back-up ring 13 and eccentric shaft 4.Size and the above-mentioned elastomeric ultimate deformation amount in gap adapt.
Visible with reference to accompanying drawing 2, the utility model adjustable roll locking frame device also comprises the spacing wear plate 6 being positioned at locking framework 1 bottom, running roller 3 rear, the upper plane of spacing wear plate 6 will lower than the tangent plane of above-mentioned running roller vertex, the diff-H of its two plane is 0.1 ~ 1.0mm, and optimum is set to 0.5mm.Such running roller 3 coordinates with spacing wear plate 6, and in track switch switching process, locking rod and running roller 3 are friction of rolling, and friction coefficient is low; When locking position is subject to impacting, or after Long-Time Service, locking rod and running roller 3 wear and tear when exceeding design value, and locking rod contacts with spacing wear plate 6, and namely wear plate 6 is just played a supporting role, and ensure the safety of locking device.
The utility model adjustable roll locking frame device also comprises the locking iron 5 that material is alloy steel, the locking face of locking iron 5 uses Quenching Treatment, locking iron 5 is set to have certain angle with horizontal surface with the contact surface of latch hook, is namely set to the dip plane that end high, far away locking face, nearly locking face end is low.
The locking frame structure upper of the utility model adjustable roll locking frame device is widened and is not interfered with track switch fastener.Locking frame is connected with stock rail by bolt, the mounting hole of its hold-down bolt is set to the elongated hole of adjustable bolt position, and this elongated hole can lengthen relative to existing mounting hole and is not less than 20mm, the front and back adjustment amount increased like this can adapt to the front and back vibration of point tongue or stock rail better.
The utility model adjustable roll locking frame device when mounted, after height by the good elastic roller of the angular adjustment of rotation eccentric axis, with anti-rotation sheet, eccentric shaft is fixed, again adjustable roll locking frame device is connected on stock rail, when stock rail causes installing out of plumb because of construction, again to adjust the high low dimensional bottom elasticity running roller and locking frame, thus operating needs can be met by rotation eccentric axis.
The utility model adjustable roll locking frame device is applicable to rail yard transfer external locking track switch, be specially adapted to both wired and objective special line track switches, and it is adapted to the external locking transfer track switch of various model, applied widely, and simple installation, to safeguard, without maintenance safe and reliable, less.The utility model adjustable roll locking frame device efficiently solves correlated parts quick abrasion in existing installation, with track switch bad adaptability, affects the most common failure of track switch normal conversion, the needs that can meet the transformation of existing track switch external locking device can be used for new line construction again, reduce investment, reduce fault, improve conveying efficiency, better meet field demand, improve the reliability of track switch conversion further.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection domain of the present utility model.
Claims (10)
1. an adjustable roll locking frame device, comprises locking framework and elasticity running roller, it is characterized in that, described elasticity running roller is arranged on locking framework bottom by eccentric shaft, described eccentric shaft is provided with the anti-rotation sheet of fixed eccentric shaft.
2. adjustable roll locking frame device according to claim 1, it is characterized in that, described elasticity running roller comprises the inner sleeve directly contacted with eccentric shaft, the elastic body being positioned at lining the outer surface of, is positioned at the overcoat of outer elastomeric surface and is arranged at the seal ring at overcoat, inner sleeve and elastic body two ends.
3. adjustable roll locking frame device according to claim 2, it is characterized in that, described elasticity running roller also comprises the spacing back-up ring being arranged at described seal ring outer end, described spacing back-up ring is positioned at overcoat, be interference fit with described overcoat, and leave gap between the inside face of spacing back-up ring and the outside face of eccentric shaft.
4. adjustable roll locking frame device according to claim 3, is characterized in that, described gap length and elastomeric ultimate deformation amount adapt.
5. adjustable roll locking frame device according to claim 2, it is characterized in that, described elastic body comprises the first elastic body and is positioned at second elastic body at the first elastic body two ends, and described first elastic body and the second elastic body are the material of two kinds of different elasticity moduluss.
6. adjustable roll locking frame device according to claim 2, it is characterized in that, described seal ring comprises the first seal ring contacted with eccentric shaft and the second seal ring being positioned at the first seal ring outside face, and the elasticity modulus of described second seal ring material is larger than the elasticity modulus of the first seal ring material.
7. adjustable roll locking frame device according to claim 1, it is characterized in that, described running roller locking frame device also comprises the spacing wear plate being positioned at locking framework bottom, described running roller rear, the upper plane 0.1 ~ 1.0mm lower than described running roller vertex tangent plane of described spacing wear plate.
8. adjustable roll locking frame device according to claim 7, is characterized in that, the upper plane 0.5mm lower than described running roller vertex tangent plane of described spacing wear plate.
9. adjustable roll locking frame device according to claim 1, it is characterized in that, described running roller locking frame device also comprises the locking iron that material is alloy steel, the locking face of described locking iron uses Quenching Treatment, and the contact surface of described locking iron and latch hook is set to the low dip plane of end high, far away locking face, nearly locking face end.
10. adjustable roll locking frame device according to claim 1, is characterized in that, the bolt mounting holes of described locking frame is elongated hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674138.5U CN204210493U (en) | 2014-11-12 | 2014-11-12 | A kind of adjustable roll locking frame device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674138.5U CN204210493U (en) | 2014-11-12 | 2014-11-12 | A kind of adjustable roll locking frame device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204210493U true CN204210493U (en) | 2015-03-18 |
Family
ID=52979191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674138.5U Withdrawn - After Issue CN204210493U (en) | 2014-11-12 | 2014-11-12 | A kind of adjustable roll locking frame device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204210493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369747A (en) * | 2014-11-12 | 2015-02-25 | 太原市京丰铁路电务器材制造有限公司 | Adjustable roller locking frame device |
-
2014
- 2014-11-12 CN CN201420674138.5U patent/CN204210493U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369747A (en) * | 2014-11-12 | 2015-02-25 | 太原市京丰铁路电务器材制造有限公司 | Adjustable roller locking frame device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150318 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |