CN210968715U - Wheel hub oil seal puller - Google Patents
Wheel hub oil seal puller Download PDFInfo
- Publication number
- CN210968715U CN210968715U CN201921911656.3U CN201921911656U CN210968715U CN 210968715 U CN210968715 U CN 210968715U CN 201921911656 U CN201921911656 U CN 201921911656U CN 210968715 U CN210968715 U CN 210968715U
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- CN
- China
- Prior art keywords
- pulling
- rod
- sleeve
- oil seal
- lifting
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- Expired - Fee Related
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- 210000000078 claw Anatomy 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 description 46
- 238000000605 extraction Methods 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
A wheel hub oil seal puller comprises a pulling frame and a supporting beam arranged on the pulling frame through a lever frame, wherein a driving device for driving the supporting beam to lift is also arranged on the pulling frame; the lifting rod is vertically arranged on the supporting beam, a sleeve is sleeved on the lifting rod, a guide sleeve is sleeved outside the sleeve, the guide sleeve is fixedly arranged on the supporting beam, a lifting disc is fixedly arranged at the bottom of the sleeve, a lifting claw for tightly jacking a hub oil seal is arranged on the lifting disc, a lifting block for driving the lifting claw to extend outwards and tightly jack the hub oil seal is fixedly arranged at the bottom end of the lifting rod, an eccentric wheel is hinged to the top end of the lifting rod, and a rotating rod convenient for rotating the eccentric wheel is arranged on the eccentric wheel; the sleeve in the guide sleeve is sleeved with a sleeve return spring, and the pull-up rod in the sleeve is sleeved with a pull-up rod return spring. The puller can be suitable for disassembling the hub oil seals of various specifications, can not damage the inner surface of the hub when being disassembled, and is convenient to operate, rapid and labor-saving.
Description
Technical Field
The utility model relates to a vehicle extracting tool, especially a wheel hub oil blanket pull-out ware.
Background
At present, with the increasing living standard of people, vehicles are more and more, the working performance can be exerted only when the wheel bearing is in a good lubricating state, the service life is prolonged, the oil seal is an important part of a lubricating system, and the oil seal has the functions of preventing lubricating oil from leaking and ensuring the normal work of the lubricating system; the oil seal is not a heavy truck and is a main carrier for long-distance transportation, the temperature of a lubricating system is increased when the vehicle runs for a long time, and the abrasion and the aging of the rubber seal lip of the oil seal are accelerated, so that the oil seal needs to be replaced frequently. However, the diameter of the oil seal of the axle bearing of the heavy truck is large, the oil seal framework is a steel shell, the oil seal framework is assembled in the wheel hub in an interference fit mode, the oil seal is difficult to disassemble, the oil seal of the large-size steel shell is disassembled by adopting a traditional method for a long time, and the oil seal is not only difficult to disassemble and is not beneficial to protecting the fit surface between the wheel hub and the oil seal.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a convenient operation, quick laborsaving, both can dismantle the oil blanket, do not destroy the wheel hub oil blanket pull-out ware of wheel hub internal surface again.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a wheel hub oil seal puller, which comprises a pulling frame and a supporting beam arranged on the pulling frame through a lever frame, wherein the pulling frame is also provided with a driving device for driving the supporting beam to lift; the lifting rod is vertically arranged on the supporting beam, a sleeve is sleeved on the lifting rod, a guide sleeve is sleeved outside the sleeve, the guide sleeve is fixedly arranged on the supporting beam, a lifting disc is fixedly arranged at the bottom of the sleeve, a lifting claw for tightly jacking a hub oil seal is arranged on the lifting disc, a lifting block for driving the lifting claw to extend outwards and tightly jack the hub oil seal is fixedly arranged at the bottom end of the lifting rod, an eccentric wheel is hinged to the top end of the lifting rod, and a rotating rod convenient for rotating the eccentric wheel is arranged on the eccentric wheel; the sleeve in the guide sleeve is sleeved with a sleeve return spring, and the pull-up rod in the sleeve is sleeved with a pull-up rod return spring.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, the lever frame includes two sets of levers, and every group lever includes middle part articulated first lever and second lever, and the one end of first lever is articulated with a supporting beam, and the other end of first lever is articulated with setting up the lower articulated waist hole of pulling out on the frame, and the one end of second lever is articulated with pulling out the frame, and the other end of second lever is articulated with the last articulated waist hole of setting on a supporting beam.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, drive arrangement is the pneumatic cylinder, and the pneumatic cylinder articulates on pulling-out the frame, and the tailpiece of the piston rod of pneumatic cylinder is articulated with the lever frame.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, the pull-out claw includes 3 ejector pin, 3 ejector pin along the circumference evenly distributed of pulling up the dial.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that, for the wheel hub oil seal extractor, the middle part of the extraction disc is provided with an extraction hole matched with the extraction rod, the bottom of the extraction disc is provided with an inner ring and an outer ring, one end of the jacking stay bar sequentially penetrates through the outer ring and the inner ring to extend to the extraction hole and is fixedly provided with a roller matched with the extraction rod; a jacking reset spring is sleeved on the pulling claw between the inner ring and the outer ring.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, the eccentric wheel includes that two are used for pulling out the outer eccentric wheel that the pole was pulled out and two are used for the sleeve to play the interior eccentric wheel of pulling out, the width of interior eccentric wheel is unanimous with the width of outer eccentric wheel, the length of interior eccentric wheel is less than the length of outer eccentric wheel.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, the pull-out piece is coniform.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, the lower part of pulling out the pole be provided with pulling out piece complex external screw thread, be provided with the screw hole of being convenient for to connect soon on the pulling out piece, still connect soon on the pulling out pole and be used for the lock nut fixed to the pulling out piece.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wheel hub oil blanket pull-out ware, the sleeve includes barrel and lower barrel, still install on the pull-out rod with lower barrel complex retaining ring, the diameter of retaining ring is greater than the diameter of last barrel, the diameter of retaining ring is less than the diameter of barrel down.
Compared with the prior art, the utility model discloses an eccentric wheel pulling pull rod utilizes the pull-out piece drive on the pull rod to pull out the claw on the dial and stretch out, props tightly the internal surface to the wheel hub oil blanket, then the rethread drive supporting beam drives pull rod, sleeve, the whole upward movement of dial to with wheel hub oil blanket and wheel hub separation, realize the dismantlement of wheel hub oil blanket, have following advantage:
1. the operation is simple, fast and labor-saving when the oil seal is disassembled;
2. the inner hole matching surface of the hub can be protected;
3. the oil seal can be suitable for disassembling oil seals with the same specification and different structures.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a working principle diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the wheel hub oil seal extractor comprises an extracting frame 27 and a supporting beam 3 mounted on the extracting frame 27 through a lever frame, wherein a driving device 13 for driving the supporting beam 3 to lift is further mounted on the extracting frame 27; a pulling-up rod 29 is vertically arranged on the supporting beam 3, a sleeve 30 is sleeved on the pulling-up rod 29, a guide sleeve 26 is sleeved outside the sleeve 30, the guide sleeve 26 is fixedly arranged on the supporting beam 3, a pulling-up plate 23 is fixedly arranged at the bottom of the sleeve 30, a pulling-up claw 22 for tightly jacking a hub oil seal is arranged on the pulling-up plate 23, a pulling-up block 20 for driving the pulling-up claw 22 to extend outwards to tightly jack the hub oil seal is fixedly arranged at the bottom end of the pulling-up rod 29, an eccentric wheel is hinged to the top end of the pulling-up rod 29, and a rotating rod 9 convenient for rotating the eccentric wheel is; a sleeve return spring 28 is fitted to a sleeve 30 in the guide sleeve 26, and a jack-up lever return spring 31 is fitted to a jack-up lever 29 in the sleeve 30. The sleeve return spring 28 is provided for returning the sleeve 30 after use, and the rising stem return spring 31 is provided for returning the rising stem 29 to the initial position after use.
The guide sleeve 26 has a first function of guiding so that the sleeve 30 can move up and down along the inner hole of the guide sleeve 26, and the sleeve return spring 28 is arranged between the guide sleeve 26 and the sleeve 30; the guide sleeve 26 has a second function of fixing, and the upper end of the guide sleeve 26 is provided with four holes, so that the guide sleeve 26 and the support beam 3 can be conveniently connected together by using the fixing bolts 4; when the oil seal is disassembled, the supporting beam 3 translates upwards, and an upward acting force is applied to the eccentric wheel to drive the eccentric wheel, the pulling rod 29, the sleeve 30, the pulling disk 23 and the pulling claw 22 to pull the oil seal upwards together.
The lever frame comprises two groups of levers, each group of levers comprises a first lever 2 and a second lever 10, the middle parts of the first lever 2 are hinged to each other, one end of the first lever 2 is hinged to a supporting beam 3, the other end of the first lever 2 is hinged to a lower hinged waist hole formed in the pulling frame 27, one end of the second lever 10 is hinged to the pulling frame 27, the other end of the second lever 10 is hinged to an upper hinged waist hole formed in the supporting beam 3, the output end of the driving device 13 is hinged to the second lever 10 through a first hinged pin 12, and the driving device 13 is installed on the pulling frame 27 through a second hinged pin 14. One end of the first lever 2 can move along the lower hinged waist hole, one end of the second lever 10 can move along the upper hinged waist hole, so that the supporting beam 3, the pulling rod 29 and the pulling disk 23 are driven to move horizontally upwards along the axial lead of the inner hole of the hub under the driving of the driving device 13, and the hub oil seal is detached; the end parts of the first lever 2 and the second lever 10 are provided with a pin shaft 1 and a miniature bearing 11, which are convenient to rotate relative to the support beam 3 and the pulling frame 27 respectively.
The lower part of the pulling rod 29 is provided with an external thread matched with the pulling block 20, the pulling block 20 is provided with a threaded hole convenient for being screwed on the pulling rod 29, and the pulling rod 29 is also screwed with a locking nut 18 for fixing the pulling block 20. The top end of the pulling rod 29 is hinged with an eccentric wheel through a connecting block 8, the eccentric wheel is fixed with the connecting block 8 through a mounting bolt 5, the connecting block 8 is hinged with the pulling rod 29, and an inserting hole convenient for inserting the rotating rod 9 is formed in the connecting block 8; the sleeve 30 comprises an upper cylinder and a lower cylinder, the pulling rod 29 is also provided with a check ring 25 matched with the lower cylinder, the diameter of the check ring 25 is larger than that of the upper cylinder, and the diameter of the check ring 25 is smaller than that of the lower cylinder; the middle part of the pulling rod 29 is also screwed with a blocking nut 24 for positioning the retainer ring 25;
the driving device 13 is a hydraulic cylinder, the hydraulic cylinder is hinged on the pulling frame 27, and the piston rod end of the hydraulic cylinder is hinged with the lever frame. Preferably, the driving device 13 adopts a hydraulic jack in the prior art, and has a simple structure and convenient operation.
The pulling claw 22 comprises 3 top supporting rods 15, the 3 top supporting rods 15 are uniformly distributed along the circumferential direction of the pulling disc 23, three groups of top supporting holes matched with the top supporting rods 15 are uniformly arranged in the circumferential direction of the pulling disc 23, and the top supporting rods 15 are conveniently plugged onto the pulling disc 23.
The middle part of the pulling disc 23 is provided with a pulling hole matched with the pulling rod 29, the bottom of the pulling disc 23 is provided with an inner ring and an outer ring, one end of the jacking stay bar 15 sequentially penetrates through the outer ring and the inner ring to extend to the pulling hole and is fixedly provided with a roller 16 matched with the pulling rod 29, and the roller 16 is arranged at the end part of the jacking stay bar 15 through a rotating pin 17; a jacking reset spring 21 is sleeved on the pulling claw 22 between the inner ring and the outer ring; the lower end of the pulling rod 29 penetrates through the pulling hole from top to bottom, the pulling block 20 is installed on the pulling rod 29 below the pulling hole, and therefore when the pulling rod 29 is pulled up, the pulling block 20 moves upwards to press the top stay bar 15, and the end portion of the top stay bar 15 extends out of the pulling disc 23.
The eccentric wheels comprise two outer eccentric wheels 6 for pulling a pulling rod 29 and two inner eccentric wheels 7 for pulling a sleeve 30, the width of each inner eccentric wheel 7 is consistent with that of the outer eccentric wheel 6, the length of each inner eccentric wheel 7 is smaller than that of the outer eccentric wheel 6, one end of each inner eccentric wheel 7 is consistent with one end of the outer eccentric wheel 6 in shape, and the other end of each inner eccentric wheel 7 is shorter than that of the outer eccentric wheel 6; the outer eccentric wheel 6 is tightly attached to the guide sleeve 26, the inner eccentric wheel 7 is tightly attached to the sleeve 30, and the two inner eccentric wheels 7 and the two outer eccentric wheels 6 are respectively hinged to two sides of the pulling rod 29;
the pulling block 20 is conical and is convenient to move upwards, the pulling claws 22 are gradually extruded outwards, the pulling claws 22 are tightly clamped on the hub oil seal, the length of the pulling claws 22 extending out of the pulling disc 23 is controlled by controlling the upward moving length of the pulling block 20, and the hub oil seal is further suitable for hub oil seals of different specifications.
The pulling frame 27 comprises two C-shaped brackets, each C-shaped bracket is composed of a transverse bracket and two vertical brackets vertically connected to the transverse bracket, and the two C-shaped brackets are connected together through a connecting bolt 19.
When the device is used, firstly, the puller is placed in the middle of a hub oil seal, then the eccentric wheel is rotated through the rotating rod, when the eccentric wheel is rotated by 0-90 degrees, the outer eccentric wheel pulls the puller rod to drive the puller block to move upwards, the jacking reset spring is compressed, so that the puller claw extends out of the puller plate and jacks the inner surface of the hub oil seal, at the moment, the retainer ring moves upwards and jacks the communication position of the lower barrel and the upper barrel, the inner eccentric wheel jacks the sleeve, the sleeve is fixed, and the puller rod reset spring is compressed; when the rotating speed is continued to 90-180 degrees, the outer eccentric wheel has eccentric amount, the upper half part of the inner eccentric wheel has no eccentric amount, the sleeve, the pulling rod and the pulling disk are driven to move upwards for a certain distance at the same time, and the sleeve return spring is compressed; then, the driving device is started, the supporting beam and the guide sleeve are driven to move upwards through the lever frame, and further the sleeve, the pulling rod and the pulling disc are driven to move upwards, so that the hub oil seal is separated from the hub;
secondly, reversely rotating the eccentric wheel, and when rotating 180-90 degrees, the sleeve, the pulling rod and the pulling disk simultaneously move downwards for a certain distance, and the sleeve reset spring resets; when the rotating speed is continued to 90-0 degrees, the sleeve is not moved, the pulling rod moves downwards, the pulling claw is loosened, the jacking reset spring resets, the pulling claw retracts into the pulling disc and is separated from the hub oil seal, and the pulling rod reset spring resets; and finally, resetting the driving device, so as to be convenient for next use.
Claims (9)
1. The utility model provides a wheel hub oil blanket pull-out ware which characterized in that: the pulling device comprises a pulling frame and a supporting beam arranged on the pulling frame through a lever frame, wherein a driving device for driving the supporting beam to lift is also arranged on the pulling frame; the lifting rod is vertically arranged on the supporting beam, a sleeve is sleeved on the lifting rod, a guide sleeve is sleeved outside the sleeve, the guide sleeve is fixedly arranged on the supporting beam, a lifting disc is fixedly arranged at the bottom of the sleeve, a lifting claw for tightly jacking a hub oil seal is arranged on the lifting disc, a lifting block for driving the lifting claw to extend outwards and tightly jack the hub oil seal is fixedly arranged at the bottom end of the lifting rod, an eccentric wheel is hinged to the top end of the lifting rod, and a rotating rod convenient for rotating the eccentric wheel is arranged on the eccentric wheel; the sleeve in the guide sleeve is sleeved with a sleeve return spring, and the pull-up rod in the sleeve is sleeved with a pull-up rod return spring.
2. A wheel hub oil seal extractor as defined in claim 1, wherein: the lever frame comprises two groups of levers, each group of levers comprises a first lever and a second lever, the middle parts of the first lever and the second lever are hinged, one end of the first lever is hinged to the supporting beam, the other end of the first lever is hinged to a lower hinged waist hole formed in the pulling frame, one end of the second lever is hinged to the pulling frame, and the other end of the second lever is hinged to an upper hinged waist hole formed in the supporting beam.
3. A wheel hub oil seal extractor as defined in claim 1, wherein: the driving device is a hydraulic cylinder which is hinged on the pulling frame, and the piston rod end of the hydraulic cylinder is hinged with the lever frame.
4. A wheel hub oil seal extractor as defined in claim 1, wherein: the lifting claw comprises 3 top supporting rods, and the 3 top supporting rods are uniformly distributed along the circumferential direction of the lifting disc.
5. A wheel hub oil seal extractor as defined in claim 4, wherein: the middle part of the pulling disc is provided with a pulling hole matched with the pulling rod, the bottom of the pulling disc is provided with an inner ring and an outer ring, one end of the jacking stay bar sequentially penetrates through the outer ring and the inner ring to extend to the pulling hole and is fixedly provided with a roller matched with the pulling rod; a jacking reset spring is sleeved on the pulling claw between the inner ring and the outer ring.
6. A wheel hub oil seal extractor as defined in claim 1, wherein: the eccentric wheel comprises two outer eccentric wheels used for pulling the pulling rod and two inner eccentric wheels used for pulling the sleeve, the width of each inner eccentric wheel is consistent with that of each outer eccentric wheel, and the length of each inner eccentric wheel is smaller than that of each outer eccentric wheel.
7. A wheel hub oil seal extractor as defined in claim 1, wherein: the pulling block is conical.
8. A wheel hub oil seal extractor as defined in claim 1, wherein: the lower part of the pulling rod is provided with an external thread matched with the pulling block, the pulling block is provided with a threaded hole convenient for being screwed on the pulling rod, and the pulling rod is also screwed with a locking nut used for fixing the pulling block.
9. A wheel hub oil seal extractor as defined in claim 1, wherein: the sleeve comprises an upper cylinder body and a lower cylinder body, a retainer ring matched with the lower cylinder body is further installed on the pulling rod, the diameter of the retainer ring is larger than that of the upper cylinder body, and the diameter of the retainer ring is smaller than that of the lower cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921911656.3U CN210968715U (en) | 2019-11-07 | 2019-11-07 | Wheel hub oil seal puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921911656.3U CN210968715U (en) | 2019-11-07 | 2019-11-07 | Wheel hub oil seal puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210968715U true CN210968715U (en) | 2020-07-10 |
Family
ID=71439803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921911656.3U Expired - Fee Related CN210968715U (en) | 2019-11-07 | 2019-11-07 | Wheel hub oil seal puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210968715U (en) |
-
2019
- 2019-11-07 CN CN201921911656.3U patent/CN210968715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |