CN208431224U - A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve - Google Patents
A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve Download PDFInfo
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- CN208431224U CN208431224U CN201820854658.2U CN201820854658U CN208431224U CN 208431224 U CN208431224 U CN 208431224U CN 201820854658 U CN201820854658 U CN 201820854658U CN 208431224 U CN208431224 U CN 208431224U
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- guide sleeve
- bearing
- piston rod
- press fitting
- oil cylinder
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Abstract
The utility model discloses a kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve, it is related to oil cylinder technical field.The utility model includes outer cylinder；Main press fitting piston rod is installed in outer cylinder；Positioning piston rod is installed with by inner sleeve in main press fitting piston rod；Guide groove is offered in positioning piston rod；Centre work plug and top is installed in guide groove；Seal guide sleeve is arranged with outside top；Seal guide sleeve is fixed on positioning piston rod end；Bearing guide sleeve is arranged with outside seal guide sleeve；Compressed spring is equipped in bearing guide sleeve one end；The utility model is by guaranteeing that axle is not damaged during bearing press mounting using triplex formula cylinder structure, it tries hard to keep using top piston and top pre-set constant top and demonstrate,proves the accurate positionin of railway wheel pair, improve the press fitting precision of wheel set bearing, and play the guiding role using the press fitting operation that bearing guide sleeve is wheel set bearing, quick change guide sleeve can adjust the press fitting attachment of other model wheel set bearings with the short period.
Description
Technical field
The utility model belongs to oil cylinder technical field, more particularly to a kind of railway wheel it is top to bearing press mounting constant pressure and
The oil cylinder of quick change guide sleeve.
Background technique
As the Railway Market in China gradually steps the gateway of a country, the production internationalization of rail vehicles wheel pair is just substantially mentioned
It rises, various gauges, the wheel of axle journal are more and more to demand.Wheel is in diversification to axle center hole shape, hollow shaft and various each
The centre bore axle of sample angle appears in our railway wheels in the enterprise of production, needs to pass through centre bore in wheel set bearing press fitting
To wheel to accurate positioning is implemented, therefore it is required that the locating centre stroke range of bearing press mounting equipment is very long, to guarantee bearing pressure
Packing quality, it is ensured that the safety of railway transportation.While the appearance of the wheel pair of various gauges, axle journal, so that bearing press mounting process bearing
Guide sleeve replacement is extremely frequent.In the prior art, railway wheel replaces the locating centre and bearing guide sleeve of bearing press mounting oil cylinder
Efficiency is lower, and using effect is bad.Therefore, need to develop that a kind of railway wheel is top to bearing press mounting constant pressure and quick change guide sleeve
Oil cylinder, in order to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of railway wheel is top to bearing press mounting constant pressure and the oil of quick change guide sleeve
Cylinder, by guaranteeing that axle is not damaged during bearing press mounting, utilizes top piston and top using triplex formula cylinder structure
The pre-set constant top of point, which is tried hard to keep, demonstrate,proves the accurate positionin of railway wheel pair, ensure that and is overlapped with wheel to center by pressing bearing, improves
The press fitting precision of wheel set bearing, and play the guiding role using the press fitting operation that bearing guide sleeve is wheel set bearing, while realizing axis
The quick-replaceable using effect of guide sleeve is held, adaptive use demand of the oil cylinder to railway wheel to diversification of varieties is met,
Bearing press mounting operation is simplified, railway wheel is improved to the use scope of bearing press mounting equipment, solves existing press-fit oil cylinder
Locating centre and the replacement of bearing guide sleeve efficiency is lower and the bad problem of using effect.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is that a kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve, including one end
The fixed outer cylinder for being installed with a flange cylinder cap；A main press fitting piston rod is installed in the outer cylinder；The main press fitting piston
A positioning piston rod is installed with by an inner sleeve in bar；An oil duct is offered in the positioning piston rod；The positioning piston
A guide groove being connected with oil duct is offered in bar one end；A top piston and one top is installed in the guide groove；
The top outer seal guide sleeve that is arranged with；The seal guide sleeve is installed on positioning piston rod one end；It is described close
Envelope guide sleeve fit on is arranged with a bearing guide sleeve；A compressed spring is equipped in the bearing guide sleeve one end；The compression bullet
Spring is set on positioning piston rod outer wall；A gland is arranged with outside the bearing guide sleeve；The gland is installed on main press fitting
One end of piston rod；Pass through pressing sleeve sealing cooperation between the gland and bearing guide sleeve.
Further, fixation is installed with a limit on the positioning piston rod lateral wall and positioned at the side of bearing guide sleeve
Ring；Described compressed spring one end is fixedly connected on one end face of stop collar.
Further, the top one end fixation is embedded on top piston one end；Described top and top piston
It is threadedly coupled.
The utility model has the following beneficial effects:
The utility model is by guaranteeing that axle is not damaged during bearing press mounting using triplex formula cylinder structure, benefit
It is tried hard to keep with top piston and top pre-set constant top and demonstrate,proves the accurate positionin of railway wheel pair, and top ought encountered greater than top piston
Power when top reset, ensure that the press-fit effect to wheel set bearing, improve the press fitting precision of wheel set bearing, and utilize bearing
Guide sleeve is that the press fitting operation of wheel set bearing play the guiding role, and realizes automatically reseting for bearing guide sleeve using compressed spring, ensure that
The press fitting efficiency of wheel set bearing, market popularization value with higher；Meanwhile the oil cylinder can be according to different bearing bore diameters come fast
Speed replacement bearing guide sleeve and pressing sleeve, facilitate the replacement for realizing different bearing press mounting guide sleeves, simplify operation sequence, improve iron
The use scope of road wheel set bearing press-loading device, and meet adaptive use of the oil cylinder to railway wheel to diversification of varieties
Demand.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Structural schematic diagram when Fig. 1 is top retracted state in the utility model；
Structural schematic diagram when Fig. 2 is top stretching state in the utility model；
Fig. 3 is the structural side view of Fig. 2.
In attached drawing, parts list represented by the reference numerals are as follows:
1- outer cylinder, the main press fitting piston rod of 2-, 3- position piston rod, and the top piston of 4-, 5- is top, 6- bearing guide sleeve, 7-
Gland, 101- flange cylinder cap, 201- inner sleeve, 301- oil duct, 302- guide groove, 501- seal guide sleeve, 601- compressed spring,
602- stop collar, 701- pressing sleeve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-3, the utility model is that a kind of railway wheel is top to bearing press mounting constant pressure and quick change guide sleeve
Oil cylinder, including the fixed outer cylinder 1 for being installed with a flange cylinder cap 101 of one end；A main press fitting piston is installed in outer cylinder 1
Bar 2；A positioning piston rod 3 is installed with by an inner sleeve 201 in main press fitting piston rod 2；An oil is offered in positioning piston rod 3
Road 301；A guide groove 302 being connected with oil duct 301 is offered in positioning 3 one end of piston rod；It is installed in guide groove 302
One top piston 4 and one top 5；The fixation of top 5 one end is embedded on top 4 one end of piston, top 5 with top piston 4
It is threadedly coupled；Top 5 move in the case where top piston 4 is with pre-set constant motive force, ensure that the accurate positionin to railway wheel pair, and
When top 5 encounter greater than the power of top piston 4, top 5 reset；A seal guide sleeve 501 is arranged with outside top 5；Sealing guiding
Set 501 is installed on positioning 3 one end of piston rod；501 fit on of seal guide sleeve is arranged with a bearing guide sleeve 6, for wheel pair
The press fitting operation of bearing play the guiding role；It is equipped with a compressed spring 601 in 6 one end of bearing guide sleeve, realizes bearing guide sleeve 6 oneself
It is dynamic to reset, it ensure that the press fitting efficiency of wheel set bearing；Compressed spring 601 is set on the outer wall of positioning piston rod 3；Bearing guide sleeve
A gland 7 is arranged with outside 6；Gland 7 is installed on one end of main press fitting piston rod 2；Pass through between gland 7 and bearing guide sleeve 6
The sealing cooperation of one pressing sleeve 701, ensure that the sealing performance of the oil cylinder, at the same can be come according to different pressing bearing internal diameters it is quick more
Pressing sleeve 701 and bearing guide sleeve 6 are changed, facilitates the replacement for realizing different pressing bearing press fitting guide sleeves, simplifies operation sequence.
Wherein, it positions on 3 lateral wall of piston rod and the side fixation for being located at bearing guide sleeve 6 is installed with a stop collar 602；Pressure
601 one end of contracting spring is fixedly connected on 602 1 end face of stop collar, avoids compressed spring 601 in positioning 3 lateral wall of piston rod
It is upper random shifting phenomena occur.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (3)
1. a kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve, including one end fixation is installed with a method
The outer cylinder (1) of blue cylinder cap (101)；A main press fitting piston rod (2) is installed in the outer cylinder (1)；It is characterized by:
A positioning piston rod (3) is installed with by an inner sleeve (201) in the main press fitting piston rod (2)；The positioning piston
An oil duct (301) are offered in bar (3)；One is offered in described positioning piston rod (3) one end to be connected with oil duct (301)
Guide groove (302)；
Wherein, a top piston (4) and one top (5) are installed in the guide groove (302)；It is arranged with outside top (5)
One seal guide sleeve (501)；The seal guide sleeve (501) is installed on positioning piston rod (3) one end；
Wherein, seal guide sleeve (501) fit on is arranged with a bearing guide sleeve (6)；In bearing guide sleeve (6) one end
Equipped with a compressed spring (601)；The compressed spring (601) is set on positioning piston rod (3) outer wall；The bearing guide sleeve
(6) gland (7) are arranged with outside；The gland (7) is installed on one end of main press fitting piston rod (2)；The gland (7) with
Pass through a pressing sleeve (701) sealing cooperation between bearing guide sleeve (6).
2. a kind of railway wheel according to claim 1 is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve, special
Sign is that fixation is installed with a stop collar on described positioning piston rod (3) lateral wall and positioned at the side of bearing guide sleeve (6)
(602)；Described compressed spring (601) one end is fixedly connected on (602) one end face of stop collar.
3. a kind of railway wheel according to claim 1 is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve, special
Sign is that top (5) the one end fixation is embedded on top piston (4) one end；Top (5) and top piston
(4) it is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820854658.2U CN208431224U (en) | 2018-06-04 | 2018-06-04 | A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820854658.2U CN208431224U (en) | 2018-06-04 | 2018-06-04 | A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431224U true CN208431224U (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820854658.2U Active CN208431224U (en) | 2018-06-04 | 2018-06-04 | A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve |
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| CN (1) | CN208431224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591169A (en) * | 2018-06-04 | 2018-09-28 | 安徽瑞铁轨道装备有限公司 | A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve |
-
2018
- 2018-06-04 CN CN201820854658.2U patent/CN208431224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591169A (en) * | 2018-06-04 | 2018-09-28 | 安徽瑞铁轨道装备有限公司 | A kind of railway wheel is top to bearing press mounting constant pressure and the oil cylinder of quick change guide sleeve |
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