CN213730327U - Large-scale bearing press-fitting machine - Google Patents
Large-scale bearing press-fitting machine Download PDFInfo
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- CN213730327U CN213730327U CN202022631210.4U CN202022631210U CN213730327U CN 213730327 U CN213730327 U CN 213730327U CN 202022631210 U CN202022631210 U CN 202022631210U CN 213730327 U CN213730327 U CN 213730327U
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- square frame
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- hydraulic
- telescopic rod
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- 238000004513 sizing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
A large bearing press-fitting machine comprising: the device comprises four upright posts, an upper hydraulic footstock, a lower hydraulic footstock, an upright post locking nut, an adjustable upper square frame, an adjustable lower square frame, a locking nut, a sliding sleeve, a positioning nut, an upper hydraulic jack, a lower hydraulic jack, an upper hydraulic jack telescopic rod, a lower hydraulic jack telescopic rod, a machine body or a machined part, a bearing outer ring pressing bearing plate, an upper sizing block, a lower sizing block and a lengthened sizing block; the two ends of the four upright posts are turned with step positions, the front ends of the four upright posts are turned with threads, four corners of the upper hydraulic footstock and the lower hydraulic footstock are respectively drilled with upright post mounting holes, and the upright posts are mounted in the mounting holes and locked by upper locking nuts and lower locking nuts; the lower hydraulic jack is arranged on the lower hydraulic jack base, the upper end of the lower hydraulic jack is provided with an adjustable lower square frame, four corners of the lower hydraulic jack are respectively provided with a sliding sleeve, the adjustable lower square frame is positioned by a nut, the upper hydraulic jack is arranged below the upper hydraulic jack base, and an upper hydraulic jack telescopic rod is downward; the lower hydraulic jack and the upper hydraulic jack inlet and outlet pipes are respectively connected with a hydraulic pump station, and the hydraulic pump station controls the telescopic rod to move; the lower end of the upper hydraulic jack is provided with an adjustable upper square frame, and the lower part of the upper hydraulic jack is fixed by a positioning nut and a locking nut.
Description
Technical Field
A large-scale bearing press-mounting machine belongs to the technical field of mechanical maintenance.
Background
In the technical field of mechanical maintenance, large mining machinery generally adopts a rolling bearing or a sliding bearing due to large volume, and the large mining machinery is not completed by manual striking when being maintained and replaced, and is easy to damage a bearing seat hole, particularly large bearings which are too tough and matched, and is more suitable and important to be disassembled and assembled by adopting a hydraulic method.
Disclosure of Invention
In order to solve the problems, a large-scale universal bearing press-mounting machine is designed to solve the problem of dismounting a large-scale bearing.
In order to solve the technical problem, a large-scale bearing press-fitting machine comprises: the hydraulic support comprises four stand columns, an upper hydraulic top seat, a lower hydraulic top seat, four stand column lower locking nuts, an adjustable upper square frame, an upper square frame locking nut, an adjustable lower square frame sliding sleeve, a lower square frame positioning nut, four stand column upper locking nuts, an upper hydraulic top telescopic rod, a lower hydraulic top, an adjustable upper square frame sliding sleeve, a machine body or a machined part, a bearing outer ring bearing plate, a square upper sizing block, a square lower sizing block, a lower hydraulic top telescopic rod, a hydraulic top telescopic rod lengthened sizing block and an upper square frame lower positioning nut.
The two ends of the four upright posts are respectively provided with a step position for installing an upper hydraulic top seat and a lower hydraulic top seat in a turning mode, and the front ends of the step positions are respectively provided with threads in a turning mode.
Four upright post mounting holes are respectively drilled at four corners of the upper hydraulic top seat and the lower hydraulic top seat, the four upright posts are respectively mounted in the mounting holes at the four corners of the upper hydraulic top seat and the lower hydraulic top seat, and the four upright posts are respectively locked by the four upright post lower locking nuts and the four upright post upper locking nuts.
The lower hydraulic jack is arranged on the lower hydraulic jack base, the lower hydraulic jack inlet pipe and the lower hydraulic jack outlet pipe are respectively connected with a hydraulic pump station, and the telescopic rod of the lower hydraulic jack is controlled by the hydraulic pump station to move telescopically.
The upper end of the lower hydraulic top is provided with an adjustable lower square frame, four corners of the adjustable lower square frame are respectively provided with an adjustable lower square frame sliding sleeve, and the adjustable lower square frame sliding sleeves can respectively slide up and down on the four upright posts.
The lower part of the adjustable lower square frame sliding sleeve is positioned by a lower square frame positioning nut.
The upper hydraulic jack is arranged below the upper hydraulic jack seat, and the telescopic rod of the upper hydraulic jack is downward.
The upper hydraulic jacking inlet pipe and the upper hydraulic jacking outlet pipe are respectively connected with a hydraulic pump station, and the hydraulic pump station controls the telescopic rod of the upper hydraulic jacking to move up and down.
The lower end of the upper hydraulic jacking telescopic rod is provided with an adjustable upper square frame, four corners of the adjustable upper square frame are respectively provided with an adjustable upper square frame sliding sleeve, and the adjustable upper square frame sliding sleeve can slide up and down on the four upright posts.
An upper square frame lower positioning nut is installed below the adjustable upper square frame sliding sleeve, and the upper square frame lower positioning nut is used for adjustable upper square frame positioning.
An upper square frame locking nut is installed above the adjustable upper square frame sliding sleeve and used for locking the adjustable upper square frame.
A machine body or a workpiece needing to replace a bearing is placed on the square lower sizing block above the adjustable lower square frame, the square upper sizing block is placed above the machine body or the workpiece, the adjustable upper square frame is pressed above the square upper sizing block, and the machine body or the workpiece is fixed.
The four sides of the square upper sizing block and the square lower sizing block require that two opposite surfaces are parallel, and the square upper sizing block can be replaced by a batten with higher hardness.
When removing installation organism or machined part below bearing, at first will remove the bearing calibration level of installing to the pressure bearing outer lane bearing plate of diameter the same with the bearing external diameter is selected, and is put in below bearing top, and the pressure bearing is worked by last hydraulic jack, if the length that last hydraulic jack telescopic link stretches out is not enough, can add the length that the hydraulic jack telescopic link extension parallels and satisfy its needs, can extrude the bearing.
When a lower bearing is pressed, the bearing and a bearing outer ring pressing bearing plate are simultaneously placed above a telescopic rod of a lower hydraulic jack, the lower hydraulic jack is started to lift upwards, manual alignment is carried out, and when the lower bearing is pressed, an iron hammer is used for knocking the periphery of the bearing outer ring pressing bearing plate, so that the lower bearing can be pressed in after the alignment is confirmed.
When the bearing above the machine body or the workpiece is removed, the operation method is opposite to the operation procedure when the bearing below the machine body or the workpiece is pressed.
The large-scale bearing press-fitting machine has the following innovative types.
Due to the adoption of the working principle of upper and lower double hydraulic jacks for dismounting, under the working condition of needing ultra-high pressure, the double jacks can be operated simultaneously, one locating device can work, the bearing pressure of the upper and lower square frames can be reduced, and the upper and lower square frames cannot be deformed and damaged.
The machine body or the bearing of the workpiece is removed and installed by adopting a hydraulic method, so that the safety and the controllability are realized, and the bearing seat hole cannot be damaged.
When the machine body or the bearing of the workpiece is removed, the machine body can complete the removal and installation work without turning over and transposition.
The whole machine is simple and practical, the operation is convenient, and the labor and the time can be saved.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings: 1. the hydraulic support comprises four upright columns, 2, an upper hydraulic top seat, 3, a lower hydraulic top seat, 4, four upright column lower locking nuts, 5, an adjustable upper square frame, 6, an upper square frame locking nut, 7, an adjustable lower square frame, 8, an adjustable lower square frame sliding sleeve, 9, a lower square frame positioning nut, 10, four upright column upper locking nuts, 11, an upper hydraulic top, 12, an upper hydraulic top telescopic rod, 13, a lower hydraulic top, 14, an adjustable upper square frame sliding sleeve, 15 machine bodies or machined parts, 16, a pressure bearing outer ring bearing plate, 17, a square upper sizing block, 18, a square lower sizing block, 19, a lower hydraulic top telescopic rod, 20, a hydraulic top telescopic rod, a lengthened sizing block and 21, an upper square frame lower locking nut.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
A large bearing press-fitting machine comprising: the hydraulic support comprises four upright posts 1, an upper hydraulic top seat 2, a lower hydraulic top seat 3, four upright post lower locking nuts 4, an adjustable upper square frame 5, an upper square frame locking nut 6, an adjustable lower square frame 7, an adjustable lower square frame sliding sleeve 8, a lower square frame positioning nut 9, four upright post upper locking nuts 10, an upper hydraulic top 11, an upper hydraulic top telescopic rod 12, a lower hydraulic top 13, an adjustable upper square frame sliding sleeve 14, a machine body or a machined part 15, a pressure bearing outer ring bearing plate 16, a square upper sizing block 17, a square lower sizing block 18, a lower hydraulic top telescopic rod 19, a hydraulic top telescopic rod lengthened sizing block 20 and an upper square frame lower positioning nut 21.
The two ends of the four upright posts 1 are respectively provided with a step position for installing an upper hydraulic top seat 2 and a lower hydraulic top seat 3, and the front ends of the step positions are respectively provided with threads.
Four mounting holes of the four upright posts 1 are drilled at the four corners of the upper hydraulic top seat 2 and the lower hydraulic top seat 3 respectively, the four upright posts 1 are mounted in the mounting holes at the four corners of the upper hydraulic top seat 2 and the lower hydraulic top seat 3 respectively, and are locked by four lower upright-post locking nuts 4 and four upper upright-post locking nuts 10 respectively.
The lower hydraulic jack 13 is arranged on the lower hydraulic jack base 3, the lower hydraulic jack inlet and outlet pipes are respectively connected with a hydraulic pump station, and the lower hydraulic jack telescopic rod is controlled by the hydraulic pump station to move up and down.
The upper end of the lower hydraulic top 13 is provided with an adjustable lower square frame 7, four corners of the adjustable lower square frame 7 are respectively provided with an adjustable lower square frame sliding sleeve 8, and the adjustable lower square frame sliding sleeves 8 can respectively slide up and down on the four upright posts 1.
The lower part of the adjustable lower square frame sliding sleeve 8 is positioned by a lower square frame positioning nut 9.
The upper hydraulic jack 11 is arranged below the upper hydraulic jack 2, and the upper hydraulic jack telescopic rod 12 extends downwards.
The upper hydraulic jacking inlet pipe and the upper hydraulic jacking outlet pipe are respectively connected with a hydraulic pump station, and the hydraulic pump station controls the telescopic rod 12 of the upper hydraulic jacking to move up and down.
The lower end of the upper hydraulic jacking telescopic rod 12 is provided with an adjustable upper square frame 5, four corners of the adjustable upper square frame 5 are respectively provided with an adjustable upper square frame sliding sleeve 14, and the adjustable upper square frame sliding sleeve 14 can slide up and down on the four upright posts.
An upper square frame lower positioning nut 21 is arranged below the adjustable upper square frame sliding sleeve 14, and the upper square frame lower positioning nut 21 is used for positioning the adjustable upper square frame 5.
An upper square frame locking nut 6 is arranged above the adjustable upper square frame sliding sleeve 14, and the upper square frame locking nut 6 is used for positioning and locking the adjustable upper square frame 5.
A machine body or a workpiece 15 needing to replace a bearing is placed on a square lower sizing block 18 on the upper surface of the adjustable lower square frame 5, a square upper sizing block 17 is placed above the machine body or the workpiece 15, the adjustable upper square frame 5 is pressed on the upper surface of the square upper sizing block 17, and the machine body or the workpiece 15 is fixed.
The four sides of the square upper sizing block 17 and the square lower sizing block 18 require that two opposite surfaces are parallel, and the square upper sizing block 17 can be replaced by a batten with higher hardness.
When a bearing below a machine body or a workpiece 15 is removed, firstly, the bearing to be removed is leveled, a bearing outer ring bearing plate 16 with the same diameter as the outer diameter of the bearing is selected and placed above the lower bearing, the bearing is pressed by an upper hydraulic jack, and if the length of the upper hydraulic jack telescopic rod 12 which is contracted is not enough, the hydraulic jack telescopic rod can be padded to lengthen a sizing block 20 to meet the required length, and the bearing can be pressed.
When a lower bearing is pressed, the bearing and the bearing outer ring pressing bearing plate 16 are simultaneously placed above the lower hydraulic jack telescopic rod 19, the lower hydraulic jack 13 is started to extend upwards for manual alignment, and when the lower bearing is pressed in, the periphery of the bearing outer ring pressing bearing plate 16 is knocked by an iron hammer, so that the lower bearing can be pressed in after the alignment is confirmed.
When the bearing above the machine body or the workpiece 15 is removed, the operation method is opposite to the operation procedure when the bearing below the machine body or the workpiece 15 is pressed.
Claims (4)
1. A large bearing press-fitting machine comprising: the hydraulic support comprises four upright posts, an upper hydraulic top seat, a lower hydraulic top seat, four upright post lower locking nuts, an adjustable upper square frame, an upper square frame locking nut, an adjustable lower square frame sliding sleeve, a lower square frame positioning nut, four upright post upper locking nuts, an upper hydraulic top telescopic rod, a lower hydraulic top, an adjustable upper square frame sliding sleeve, a machine body or a machined part, a bearing outer ring bearing plate, a square upper sizing block, a square lower sizing block, a lower hydraulic top telescopic rod, a hydraulic top telescopic rod lengthened sizing block and an upper square frame lower positioning nut; the method is characterized in that: the four upright posts are respectively installed in the installation holes at the four corners of the upper hydraulic top seat and the lower hydraulic top seat and are respectively locked by four upright post lower locking nuts and four upright post upper locking nuts; the lower hydraulic jack is arranged on the lower hydraulic jack base, the upper end of the lower hydraulic jack is provided with an adjustable lower square frame, four corners of the adjustable lower square frame are respectively provided with an adjustable lower square frame sliding sleeve, and the adjustable lower square frame sliding sleeves can respectively slide up and down on the four upright posts; the lower part of the adjustable lower square frame sliding sleeve is positioned by a lower square frame positioning nut, the upper hydraulic jack is arranged below the upper hydraulic jack seat, and the telescopic rod of the upper hydraulic jack is downward; the lower hydraulic jack and the upper hydraulic jack are connected with an oil inlet pipe and an oil outlet pipe respectively and are controlled by a hydraulic pump station to move up and down by an upper hydraulic jack telescopic rod; the lower end of the upper hydraulic jacking telescopic rod is provided with an adjustable upper square frame, four corners of the adjustable upper square frame are respectively provided with an adjustable upper square frame sliding sleeve, and the adjustable upper square frame sliding sleeve can slide up and down on the four upright posts; an upper square frame locking nut is arranged above the adjustable upper square frame sliding sleeve.
2. The large bearing press-fitting machine according to claim 1, characterized in that: an upper square frame lower positioning nut is installed below the adjustable upper square frame sliding sleeve, and the upper square frame lower positioning nut is used for adjustable upper square frame positioning.
3. The large bearing press-fitting machine according to claim 1, characterized in that: the four sides of the square upper sizing block and the square lower sizing block require that two opposite surfaces are parallel.
4. The large bearing press-fitting machine according to claim 1, characterized in that: the upper hydraulic jack and the lower hydraulic jack are adopted for dismounting, so that the two jacks can be operated simultaneously under the working condition of needing ultra-high pressure, and one jack is positioned for one work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631210.4U CN213730327U (en) | 2020-11-15 | 2020-11-15 | Large-scale bearing press-fitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631210.4U CN213730327U (en) | 2020-11-15 | 2020-11-15 | Large-scale bearing press-fitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213730327U true CN213730327U (en) | 2021-07-20 |
Family
ID=76825084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022631210.4U Active CN213730327U (en) | 2020-11-15 | 2020-11-15 | Large-scale bearing press-fitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213730327U (en) |
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2020
- 2020-11-15 CN CN202022631210.4U patent/CN213730327U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lixian Feilaifeng Mining Co.,Ltd. Assignor: FEILAIFENG NONMETAL MINERAL MATERIAL CO.,LTD. Contract record no.: X2023980045454 Denomination of utility model: A large bearing press installation machine Granted publication date: 20210720 License type: Common License Record date: 20231107 |
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| EE01 | Entry into force of recordation of patent licensing contract |