CN211162776U - Hydraulic bearing dismounting machine - Google Patents

Hydraulic bearing dismounting machine Download PDF

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Publication number
CN211162776U
CN211162776U CN201922212624.0U CN201922212624U CN211162776U CN 211162776 U CN211162776 U CN 211162776U CN 201922212624 U CN201922212624 U CN 201922212624U CN 211162776 U CN211162776 U CN 211162776U
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China
Prior art keywords
hydraulic
workstation
steel sheet
sheet support
steel plate
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CN201922212624.0U
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Chinese (zh)
Inventor
董晓明
孙浩
王建平
李江涛
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Beijing Chinacoal Coal Preparation Technology Co ltd
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Beijing Chinacoal Coal Preparation Technology Co ltd
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Abstract

The utility model discloses a hydraulic bearing dismouting machine, including steel sheet support, hydraulic pressure station, hydro-cylinder, flexible top, top pinch roller and workstation, steel sheet support is the C type, and the hydraulic pressure station is installed to steel sheet support's rear side, and the hydro-cylinder that is connected through hydraulic pressure pipe and hydraulic pressure station is installed to steel sheet support's upper end, and the output of hydro-cylinder is connected with the top pinch roller through flexible top, and the top of steel sheet support's lower extreme is equipped with the workstation, and the workstation is equipped with the workstation round hole corresponding with top pinch roller position. The utility model has the advantages that: can realize automatic dismouting bearing, improve dismouting efficiency, and avoided the potential safety hazard that human-computer interaction in-process exists to operating personnel, can once only with whole axle dismouting, whole dismouting process is just with twice vibration exciter upset, and the dismouting machine is whole to be the C type, and it is less with the lift influence to advance the hoist and mount chain.

Description

Hydraulic bearing dismounting machine
Technical Field
The utility model belongs to the technical field of the coal dressing equipment, concretely relates to hydraulic bearing dismouting machine.
Background
The vibrating screen is often operated under high load for a long time, and factors such as timely maintenance cannot be obtained, so that a vibration exciter bearing which is seriously abraded or deformed needs to be replaced to ensure the normal operation of washing production. Because the vibration exciter shaft is heavier, the traditional technology usually needs to spend a large amount of time and energy, causes to change the bearing time longer, and the potential safety hazard is great. The traditional replacement method is that an end cover is detached, after oil stains are thoroughly cleaned, a vibration exciter is fixed, and then a jack is used for extruding a shaft from a small screw hole at the shaft end to a large screw hole; only one disassembly and assembly operation takes 3-4 people to take 48 hours to disassemble all the bearings.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic bearing dismouting machine to the existence that proposes in solving above-mentioned background art needs to spend a large amount of time and energy, is difficult to guarantee technical problem such as personal and equipment safety.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic bearing dismouting machine which the structural feature lies in: including steel sheet support, hydraulic pressure station, hydro-cylinder, flexible top, top pinch roller and workstation, steel sheet support is the C type, and the hydraulic pressure station is installed to steel sheet support's rear side, and the hydro-cylinder that is connected through hydraulic pressure pipe and hydraulic pressure station is installed to steel sheet support's upper end, and the output of hydro-cylinder is connected with the top pinch roller through flexible top, and the top of steel sheet support's lower extreme is equipped with the workstation, and the workstation is equipped with the workstation round hole corresponding with top pinch roller position.
Preferably, the steel plate support comprises three fixed steel plates arranged in parallel and a plurality of connecting steel plates used for connecting the three fixed steel plates, wherein the three fixed steel plates and the plurality of connecting steel plates are enclosed to form a hollow shell, and the fixed steel plates and the connecting steel plates are fixed in a welding mode.
Preferably, the upper end of the steel plate support is provided with a fixing flange for mounting the oil cylinder, and four rib plates which are distributed on the outer side of the oil cylinder at equal intervals along the circumferential direction are welded inside the steel plate support.
Preferably, the front side of the lower end of the steel plate bracket is bent downward to form a temple.
Preferably, two angle steels for installing the hydraulic station are welded on the rear side of the lower end of the steel plate bracket.
Preferably, the steel plate bracket is provided with a large arm round hole for hoisting.
Preferably, the workbench is made of a square steel plate, and the workbench and the steel plate bracket are fixed in a welding mode.
Preferably, the hydraulic line includes a return line and an overflow line.
Preferably, the widest part of the steel plate bracket is less than 50 cm.
Preferably, the telescopic range of the telescopic top is more than 0.5M, and the maximum hydraulic pressure which can be borne by the telescopic top is 500T.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the bearing can be automatically disassembled and assembled, the disassembling and assembling efficiency is improved, and potential safety hazards to operators in the human-computer interaction process are avoided.
2. The hydraulic centralized control is completed by 1-2 persons, the time for one-time bearing dismounting operation is only 24 hours, the bearing is uniformly stressed during press mounting, the calibration error of the bearing and a bearing hole is effectively reduced, and the sufficient axial clearance between the shaft and the bearing is ensured.
3. The telescopic range of the telescopic top is more than 0.5M, the matched hydraulic pressure is 500T, the whole shaft can be disassembled and assembled at one time, and the disassembling directions of the long shaft and the short shaft are opposite, so that the whole disassembling and assembling process only uses two vibration exciters for overturning.
4. The dismouting machine is whole to be the C type, and the widest department is less than 50cm, advances with the lift influence less to the hoist and mount chain, and the workstation is directly put into to vibration exciter accessible hoist and mount operation, has the round hole that is greater than the shaft diameter on the workstation, can fix safely fast on the workstation after the vibration exciter hoist and mount, does not need to spend a large amount of manpower to push and drag.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a left side view of the present invention;
in the figure: 1-hydraulic station, 2-hydraulic pipe, 3-telescopic jack, 4-fixed flange, 5-workbench round hole, 6-rib plate, 7-large arm round hole, 8-top press wheel, 9-oil cylinder, 10-supporting leg, 11-steel plate bracket, 12-workbench, 13-fixed steel plate, 14-connecting steel plate and 15-angle steel.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Please refer to fig. 1-3, the utility model provides a technical scheme, a hydraulic bearing dismouting machine, including steel sheet support 11, hydraulic pressure station 1, hydro-cylinder 9, flexible top 3, top pinch roller 8 and workstation 12, steel sheet support 11 be the C type, the rear side of steel sheet support 11 install hydraulic pressure station 1, the upper end of steel sheet support 11 install the hydro-cylinder 9 that is connected with hydraulic pressure station 1 through hydraulic pressure pipe 2, and the output of hydro-cylinder 9 is connected with top pinch roller 8 through flexible top 3, the top of the lower extreme of steel sheet support 11 be equipped with workstation 12, and workstation 12 is equipped with workstation round hole 5 corresponding with top pinch roller 8 position.
In this embodiment, the steel plate bracket 11 includes three fixed steel plates 13 arranged in parallel and a plurality of connecting steel plates 14 for connecting the three fixed steel plates 13, wherein the three fixed steel plates 13 and the plurality of connecting steel plates 14 enclose to form a hollow housing, and the fixed steel plates 13 and the connecting steel plates 14 are fixed by welding.
In the embodiment, the upper end of the steel plate support 11 is provided with the fixing flange 4 for installing the oil cylinder 9, and the steel plate support 11 is internally welded with four rib plates 6 which are equidistantly arranged on the outer side of the oil cylinder 9 along the circumferential direction.
In the present embodiment, the front side of the lower end of the steel plate bracket 11 is bent downward to form the supporting foot 10.
In the embodiment, two angle steels 15 for installing the hydraulic station 1 are welded to the rear side of the lower end of the steel plate bracket 11.
In this embodiment, the steel plate bracket 11 is provided with a large arm round hole 7 for hoisting.
In the embodiment, the workbench 12 is made of a square steel plate, and the workbench 12 and the steel plate bracket 11 are fixed by welding.
Wherein, in the embodiment, the hydraulic pipe 2 comprises a return pipe and an overflow pipe.
In the embodiment, the widest position of the steel plate bracket 11 is less than 50 cm.
In this embodiment, the retractable range of the retractable roof 3 is greater than 0.5M, and the maximum hydraulic pressure that the retractable roof 3 can bear is 500T.
The specific working process and principle are as follows:
when the bearing is disassembled and assembled, the hydraulic bearing disassembling and assembling machine is firstly conveyed to a designated place, a vibration exciter is fixed in place, the center of a large shaft and the center of a telescopic top are vertically collinear, a hydraulic station 1 is started, a worker controls the telescopic top 3 to extend forwards by adjusting an electromagnetic steering valve after the hydraulic station 1 is started, a top pressure roller 8 moves along the length direction of the telescopic top 3, so that when the top pressure roller 8 continuously moves downwards, the large shaft can be extruded from a small screw hole at the shaft end to the large screw hole, then the bearing and a gear are taken out, and the small shaft is disassembled by hoisting and overturning by using a travelling crane; after the gear is heated and installed, the vibration exciter is hoisted and turned over, and the shaft is pressed in from the opposite direction by the ejector head pinch roller 8, so that press mounting is completed.
The utility model has the advantages that:
1. the bearing can be automatically disassembled and assembled, the disassembling and assembling efficiency is improved, and potential safety hazards to operators in the human-computer interaction process are avoided.
2. The hydraulic centralized control is completed by 1-2 persons, the time for one-time bearing dismounting operation is only 24 hours, the bearing is uniformly stressed during press mounting, the calibration error of the bearing and a bearing hole is effectively reduced, and the sufficient axial clearance between the shaft and the bearing is ensured.
3. The telescopic range of the telescopic top is more than 0.5M, the matched hydraulic pressure is 500T, the whole shaft can be disassembled and assembled at one time, and the disassembling directions of the long shaft and the short shaft are opposite, so that the whole disassembling and assembling process only uses two vibration exciters for overturning.
4. The dismouting machine is whole to be the C type, and the widest department is less than 50cm, advances with the lift influence less to the hoist and mount chain, and the workstation is directly put into to vibration exciter accessible hoist and mount operation, has the round hole that is greater than the shaft diameter on the workstation, can fix safely fast on the workstation after the vibration exciter hoist and mount, does not need to spend a large amount of manpower to push and drag.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a hydraulic bearing dismouting machine which characterized in that: including steel sheet support, hydraulic pressure station, hydro-cylinder, flexible top, top pinch roller and workstation, steel sheet support be the C type, steel sheet support's rear side install the hydraulic pressure station, steel sheet support's upper end install the hydro-cylinder that is connected through hydraulic pressure pipe and hydraulic pressure station, and the output of hydro-cylinder is connected with the top pinch roller through flexible top, steel sheet support's lower extreme top be equipped with the workstation, and the workstation is equipped with the workstation round hole corresponding with top pinch roller position.
2. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the steel plate support comprises three parallel fixed steel plates and a plurality of connecting steel plates, wherein the three connecting steel plates are used for connecting the three fixed steel plates, the three fixed steel plates and the plurality of connecting steel plates are enclosed to form a hollow shell, and the fixed steel plates and the connecting steel plates are fixed in a welding mode.
3. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the upper end of the steel plate support is provided with a fixing flange for installing the oil cylinder, and four rib plates which are distributed on the outer side of the oil cylinder along the circumferential direction at equal intervals are welded inside the steel plate support.
4. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the front side of the lower end of the steel plate bracket bends downwards to form a supporting leg.
5. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: two angle steels used for installing the hydraulic station are welded on the rear side of the lower end of the steel plate bracket.
6. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the steel plate support is provided with a large arm round hole for hoisting.
7. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the workbench is made of square steel plates, and the workbench and the steel plate support are fixed in a welding mode.
8. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the hydraulic pipe comprises a return pipe and an overflow pipe.
9. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the widest position of the steel plate bracket is less than 50 cm.
10. The hydraulic bearing disassembly and assembly machine of claim 1, wherein: the telescopic range of the telescopic top is larger than 0.5M, and the maximum hydraulic pressure which can be borne by the telescopic top is 500T.
CN201922212624.0U 2019-12-11 2019-12-11 Hydraulic bearing dismounting machine Active CN211162776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922212624.0U CN211162776U (en) 2019-12-11 2019-12-11 Hydraulic bearing dismounting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922212624.0U CN211162776U (en) 2019-12-11 2019-12-11 Hydraulic bearing dismounting machine

Publications (1)

Publication Number Publication Date
CN211162776U true CN211162776U (en) 2020-08-04

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CN201922212624.0U Active CN211162776U (en) 2019-12-11 2019-12-11 Hydraulic bearing dismounting machine

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CN (1) CN211162776U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112621157A (en) * 2020-12-22 2021-04-09 中冶宝钢技术服务有限公司 Automatic dismounting device for wringing roller bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112621157A (en) * 2020-12-22 2021-04-09 中冶宝钢技术服务有限公司 Automatic dismounting device for wringing roller bearing

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