CN200988196Y - Hollow shaft hydraulic puller - Google Patents
Hollow shaft hydraulic puller Download PDFInfo
- Publication number
- CN200988196Y CN200988196Y CN 200620140477 CN200620140477U CN200988196Y CN 200988196 Y CN200988196 Y CN 200988196Y CN 200620140477 CN200620140477 CN 200620140477 CN 200620140477 U CN200620140477 U CN 200620140477U CN 200988196 Y CN200988196 Y CN 200988196Y
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- CN
- China
- Prior art keywords
- piston
- hollow shaft
- cylinder body
- bearing
- pull bar
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a lama for disassembling bearing by hydraulic device. The present bearing disassembling tool can not install or disassemble hollow shaft and bearing arranged in auto head box. The technical scheme of the utility model is: the hollow shaft hydraulic lama includes a power generating device and a traction component, the lama is characterized in that: the power generating device is a hydraulic cylinder, which includes a cylinder body and a piston which is sliding and sealing cooperation with the cylinder body, the piston is arranged with a axial via, a guide shaft with guide hole is provided in the cylinder body, the guide shaft is sliding and sealing cooperation with the piston, therefor forming a sealed oil room among the cylinder body, the piston and the guide shaft; the traction component includes a pull rod positioned in the guide hole and a pulling force transmission part and a dismounting forcing part positioned at two ends of the pull rod, the pulling force transmission part cooperates with the piston. The device can dismount, install bearing and main shaft, as well as can unsheathe taper pin; and the hydraulic device is used as disassembling power, which makes operation more convenient and force-saving.
Description
[affiliated technical field]
The utility model relates to a kind of bearing extractor, especially dismantles the sign indicating number that draws of bearing with hydraulic means.
[background technology]
On some plant equipment, normal situation about occurring with the hollow shaft transferring power, as the main shaft that is used for processing the little chassis of radial ball bearing Internal and external cycle is exactly a hollow shaft, usually the bearing of being convenient to split with Internal and external cycle (as taper roll bearing) is installed in the geared head, because this main shaft is hollow shaft, therefore be difficult to finish herein dismounting and installation to bearing with conventional bearing extractor (as the patent No.: 93218705.6 pawl formula draw yard).Therefore to this type of axle, when bearing mounts and dismounts, many with the method for knocking, damage axle and bearing easily.
[summary of the invention]
For the sign indicating number that draws that overcomes prior art is not suitable for the defective of dismounting hollow shaft and bearing, the utility model provides a kind of hollow shaft hydraulic pressure to draw sign indicating number, can not only and install geared head main shaft and the dismounting of seven class bearing overcoats, and can tear open and pull out the tapering pin.
The technical scheme that the prior art problem that solves the utility model is adopted is: a kind of hollow shaft hydraulic pressure draws sign indicating number, comprise power generating apparatus and traction component, it is characterized in that: power generating apparatus is a hydraulic cylinder, it comprises cylinder body and the piston that cooperates with this cylinder body slipper seal, piston has an axially extending bore, be fixed with the axis of guide in tape guide hole in the cylinder body, the axis of guide cooperates with this piston slipper seal, forms the sealing grease chamber thus between cylinder body, piston and the axis of guide; Traction component comprises the pull bar that is positioned at pilot hole and is positioned at the pulling force transfer part at pull bar two ends and the force section of removing stage makeup and costume that the pulling force transfer part cooperates with described piston transmission.Hydraulic cylinder is provided with the connectivity problem that the through hole that cooperates with pull bar has solved hydraulic means and on-the-spot bearing (main shaft), pull bar is located on bearing (main shaft) and the hydraulic cylinder during actual the use, the pulling force transfer part seized piston top of pull bar one end, bearing (main shaft) is withstood in the force section of removing stage makeup and costume of the pull bar other end, the rising of oil pressure makes the protruding pushing tow pulling force of piston transfer part, along with pull bar slowly moves, under the even application of force effect in the force section of removing stage makeup and costume, just bearing (main shaft) is shifted out the installation site.Form the grease chamber between the axis of guide that is nested with in the through hole and cylinder body, the piston, because the hydraulic cylinder center has the grease chamber that through hole causes problem is set with regard to having solved like this.
Cylinder body comprises cylinder barrel and is positioned at the base and the end cap at cylinder barrel two ends, piston has the step towards end cap, be formed with between step and end cap by the isolated container cavity of piston and described grease chamber, this container cavity is built-in with helical compression spring, and the two ends of this spring are against respectively on end cap and the step.After operation was finished at the scene, along with the decline of oil pressure in the grease chamber, this spring played the effect that makes piston reset.
Be connected with a seal cover on the cylinder barrel, the sealing lid is pressed on the cylinder barrel by base; Step is set on the axis of guide, and it is arranged in that sealing covers and is fastened on the seal cover by a hold-down nut of both sides inside and outside the seal cover.The sealing problem that seal cover has just solved grease chamber's inner high voltage oil is set between cylinder barrel, base and the axis of guide.
Pull bar is provided with at hydraulic cylinder and the bracing frame between the force section of removing stage makeup and costume.This bearing support generally includes cross bar and is movably connected in fixed mount on the cross bar.By this bearing support hydraulic cylinder is fixed on the erecting device of bearings such as bearing housing, geared head.
In order to increase the on-the-spot flexibility of using of this device, the pulling force driving section at pull bar two ends and the force section of removing stage makeup and costume are movably connected on the pull bar.
As preferred mode, tie rod end is provided with screw thread, the pulling force driving section with remove stage makeup and costume the force section therewith pull rod screw be connected.
Traction component comprises and is placed in the remove stage makeup and costume force-applying piece of inboard, force section of being positioned on the pull bar, this force-applying piece can be the bearing removal frame, this bearing removal frame comprises crossbeam and is movably connected in support on the crossbeam, bearing housing is provided with the flanging to the bearing fixing position, this flanging and bearing outer ring corresponding position are provided with a hole, this support bottom can be passed this hole and withstand bearing outer ring, guarantees that like this bearing outer ring can effectively be extruded.
Traction component comprises the force-applying piece that is installed on the force section of removing stage makeup and costume, and this force-applying piece can be the tail cover that has a cavity, and this cavity can socket-connect with main shaft, so this tail cover blocks main shaft and just main shaft can be pulled out under the roof pressure effect of hydraulic cylinder piston.
The beneficial effects of the utility model: can dismantle, install bearing and main shaft, also can tear open and pull out the tapering pin; Utilize hydraulic means to make operation more laborsaving, convenient as dismounting power.
[description of drawings]
Fig. 1 adopts the structural representation of bearing removal frame for the utility model hollow shaft hydraulic pressure draws the sign indicating number force section of removing stage makeup and costume;
Fig. 2 dismantles the enforcement state diagram of bearing outer ring for Fig. 1;
Fig. 3 adopts the structural representation of tail cover for the utility model hollow shaft hydraulic pressure draws the sign indicating number force section of removing stage makeup and costume;
Fig. 4 implements state diagram for Fig. 3 dismantles main shaft;
Fig. 5 implements state diagram for Fig. 3 installs main shaft.
Among the figure: 1. piston, 2. cylinder body, 3. high-pressure oil pipe, 4. pull bar, 5. bearing, the axle, 7. pilot hole, 8. cross bar, 9. fixed mount, 10. bracing frame, 11. bearing removal frame, 12. crossbeam, 13. support, 14. flanging, 15. bearing outer ring, 16. hole, 17. tail cover, 18. nut, 19. geared head, 20. bearing inner race, 21. hold-down screw, 22. the axis of guide, 23. helical compression spring, 24. hold-down nut, 25. seal cover, 26. base, 27. end cap, 28. grease chamber, 29. cylinder cap, 30. through hole, 31. cylinder barrel, 32. container cavity, 33. top cover.
[specific embodiment]
Below by embodiment also in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail:
First kind of embodiment:
As shown in Figure 1, 2, hollow shaft hydraulic pressure draws sign indicating number to comprise traction component and hydraulic cylinder, traction component comprises pull bar 4, bracing frame 10, bearing removal frame 11 and nut 18, and this hydraulic cylinder is made up of and external high-pressure oil pipe 3 piston 1 and cylinder body 2, and this high-pressure oil pipe 3 can connect hydraulic pump according to field condition.Piston 1 has an axially extending bore 30, is fixed with the axis of guide 22 in tape guide hole 7 in the cylinder body 2, and the axis of guide 22 cooperates with this piston 1 slipper seal, forms sealing grease chamber 28 thus between piston 1, cylinder body 2 and the axis of guide 22.Cylinder body 2 comprises cylinder barrel 31 and is positioned at the base 26 and the end cap 27 at cylinder barrel 31 two ends, piston 1 has the step towards end cap 27, between step and end cap 27, be formed with isolated container cavity 32 by piston 1 and grease chamber 28, this container cavity 32 is built-in with helical compression spring 23, and the two ends of this spring 23 are against respectively on end cap 27 and the step.Be connected with a seal cover 25 on the cylinder barrel 31, sealing lid 25 is pressed on the cylinder barrel 31 by base 26; On the axis of guide 22 step is set, it is arranged on the sealing lid 25 and is fastened on the seal cover 25 by a hold-down nut 24 of both sides inside and outside the seal cover.The pull bar two ends are provided with screw thread, and bearing removal frame 11, nut 18 are connected with pull rod screw; Bearing support 10 comprises cross bar 8 and fixed mount 9, and fixed mount has the through hole that can supply cross bar to pass, and its screw top is connected with hold-down screw 21, screws this screw its top is pressed on the cross bar, just makes fixed mount be stuck in cross bar; The bearing removal frame comprises crossbeam 12 and support 13, and crossbeam is identical with bearing support with the support connected mode; Bearing 5 is installed in the geared head 19, this geared head has pair flanging of bearing fixing position 14, this flanging and bearing outer ring 15 corresponding positions are provided with a hole 16, and hole size is corresponding therewith in bearing removal frame bracket bottom port footpath, and this support can pass this hole and withstand bearing outer ring during use.
During practical operation, bearing removal frame, bracing frame, cylinder body, piston and nut are connected on the pull bar in proper order, nut is screwed in the pull bar upper end and blocks hydraulic cylinder (oil cylinder) piston downwards, the bracing frame frame of stationary housing position is on geared head, the bearing removal chord position is in geared head, and bearing outer ring is withstood in the hole that its support passes on the flanging; After this, adjust nut and the position of bearing removal frame on pull bar and make piston roof pressure nut and bracing frame easily.At last, opening the hydraulic pump switch just can extrude bearing outer ring.
Second kind of embodiment:
As shown in Figure 3, the force-applying piece of removing stage makeup and costume on the force section has adopted tail nested structure 17; As shown in Figure 4, hydraulic pressure draws sign indicating number to be in the state of dismounting axle 6; As shown in Figure 5, hydraulic pressure draws sign indicating number to be in the installation shaft state.
The force-applying piece of removing stage makeup and costume on the force section is the tail cover that has a cavity, this cavity can socket-connect with axle 6, and tail cover is connected with pull rod screw, during installation for making the tail cover withstand bearing inner race, putting at tail can increase top cover 33 and make easier for installationly, and other parts are identical with embodiment one.
When main shaft was carried out disassembling section, pull bar passed the through hole in the axle, and the tail cover is screwed in the pull bar bottom, and is nested with on axle and gets final product.When main shaft is carried out fitting operation, bearing inner race is serially connected on the axle, axle and bearing inner race are installed simultaneously, and can suitably increase the top and overlap and to make bearing inner race under the driving of piston, be pressed into the outer ring.
Claims (8)
1. a hollow shaft hydraulic pressure draws sign indicating number, comprise power generating apparatus and traction component, it is characterized in that: described power generating apparatus is a hydraulic cylinder, it comprises cylinder body (2) and the piston (1) that cooperates with this cylinder body slipper seal, described piston (1) has an axially extending bore (30), be fixed with the axis of guide (22) of tape guide hole (7) in the described cylinder body (2), the described axis of guide (22) cooperates with this piston (1) slipper seal, forms sealing grease chamber (28) thus between piston (1), cylinder body (2) and the axis of guide (22); Described traction component comprises and is arranged in the pull bar (4) in the pilot hole (7) and is connected in the pulling force transfer part at pull bar (4) two ends and the force section of removing stage makeup and costume that described pulling force transfer part cooperates with described piston (1) transmission.
2. hollow shaft hydraulic pressure according to claim 1 draws sign indicating number, it is characterized in that: described cylinder body (2) comprises cylinder barrel (31) and is positioned at the base (26) and the end cap (27) at cylinder barrel (31) two ends, described piston (1) has the step towards end cap (27), between step and end cap (27), be formed with by piston (1) and the isolated container cavity (32) in described grease chamber (28), this container cavity (32) is built-in with spring (23), and the two ends of this spring (23) are against respectively on end cap (27) and the step.
3. hollow shaft hydraulic pressure according to claim 2 draws sign indicating number, it is characterized in that: be connected with a seal cover (25) on the described cylinder barrel (31), sealing lid (25) is pressed on the cylinder barrel (31) by base (26); The described axis of guide is provided with step on (22), and it is arranged in that sealing lid (25) is gone up and is fastened on the seal cover (25) by the hold-down nut (24) of both sides inside and outside the seal cover.
4. draw sign indicating number according to claim 1,2 or 3 described hollow shaft hydraulic pressure, it is characterized in that: be with on the described pull bar (4) and be positioned at cylinder body (2) and the bracing frame (10) between the force section of removing stage makeup and costume.
5. draw sign indicating number according to claim 1,2 or 3 described hollow shaft hydraulic pressure, it is characterized in that: the described pulling force driving section and the force section of removing stage makeup and costume are movably connected on the pull bar (4).
6. hollow shaft hydraulic pressure according to claim 5 draws sign indicating number, it is characterized in that: described pull bar (4) end is provided with screw thread, described pulling force driving section and remove stage makeup and costume the force section therewith pull bar (4) be threaded.
7. draw sign indicating number according to claim 1,2 or 3 described hollow shaft hydraulic pressure, it is characterized in that: described traction component comprises and is placed in the remove stage makeup and costume force-applying piece of inboard, force section of being positioned on the pull bar (4).
8. draw sign indicating number according to claim 1,2 or 3 described hollow shaft hydraulic pressure, it is characterized in that: described traction component comprises the force-applying piece that is installed on the force section of removing stage makeup and costume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140477 CN200988196Y (en) | 2006-11-29 | 2006-11-29 | Hollow shaft hydraulic puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140477 CN200988196Y (en) | 2006-11-29 | 2006-11-29 | Hollow shaft hydraulic puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988196Y true CN200988196Y (en) | 2007-12-12 |
Family
ID=38939239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620140477 Expired - Fee Related CN200988196Y (en) | 2006-11-29 | 2006-11-29 | Hollow shaft hydraulic puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988196Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357867A (en) * | 2011-10-12 | 2012-02-22 | 力帆实业(集团)股份有限公司 | Detaching tool for half axle of mini-vehicle |
| CN102962300A (en) * | 2012-12-03 | 2013-03-13 | 太原重工股份有限公司 | Hydraulic locking device |
| CN104589267A (en) * | 2014-11-26 | 2015-05-06 | 中国北车集团大连机车车辆有限公司 | Diesel engine crankshaft gear installation device with positioning function |
| CN105108477A (en) * | 2015-09-15 | 2015-12-02 | 中国北车集团大连机车车辆有限公司 | Device and method for assembling connecting rod joint rapidly |
| CN107215448A (en) * | 2017-05-24 | 2017-09-29 | 东台市海鹏船舶配件有限公司 | A kind of ship stern tube bearing provision for disengagement |
| CN107571200A (en) * | 2017-10-30 | 2018-01-12 | 镇江建华轴承有限公司 | A kind of bearing handler |
| CN108081198A (en) * | 2017-11-22 | 2018-05-29 | 北京北方车辆集团有限公司 | A kind of thread bush press mounting tool |
| CN108994582A (en) * | 2018-08-13 | 2018-12-14 | 中车青岛四方机车车辆股份有限公司 | A kind of axle press-loading apparatus and pressing method |
| CN110228039A (en) * | 2019-07-17 | 2019-09-13 | 中国铁路上海局集团有限公司上海电务段 | A kind of track switch clamping bar elastic roller replacer and its working method |
| CN110842518A (en) * | 2019-11-26 | 2020-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Reverse pull rod type pressure loading device |
| CN113084748A (en) * | 2021-04-12 | 2021-07-09 | 浙江银轮机械股份有限公司 | Plug extractor |
-
2006
- 2006-11-29 CN CN 200620140477 patent/CN200988196Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357867A (en) * | 2011-10-12 | 2012-02-22 | 力帆实业(集团)股份有限公司 | Detaching tool for half axle of mini-vehicle |
| CN102962300A (en) * | 2012-12-03 | 2013-03-13 | 太原重工股份有限公司 | Hydraulic locking device |
| CN104589267A (en) * | 2014-11-26 | 2015-05-06 | 中国北车集团大连机车车辆有限公司 | Diesel engine crankshaft gear installation device with positioning function |
| CN105108477A (en) * | 2015-09-15 | 2015-12-02 | 中国北车集团大连机车车辆有限公司 | Device and method for assembling connecting rod joint rapidly |
| CN107215448A (en) * | 2017-05-24 | 2017-09-29 | 东台市海鹏船舶配件有限公司 | A kind of ship stern tube bearing provision for disengagement |
| CN107571200A (en) * | 2017-10-30 | 2018-01-12 | 镇江建华轴承有限公司 | A kind of bearing handler |
| CN108081198A (en) * | 2017-11-22 | 2018-05-29 | 北京北方车辆集团有限公司 | A kind of thread bush press mounting tool |
| CN108994582A (en) * | 2018-08-13 | 2018-12-14 | 中车青岛四方机车车辆股份有限公司 | A kind of axle press-loading apparatus and pressing method |
| CN110228039A (en) * | 2019-07-17 | 2019-09-13 | 中国铁路上海局集团有限公司上海电务段 | A kind of track switch clamping bar elastic roller replacer and its working method |
| CN110842518A (en) * | 2019-11-26 | 2020-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Reverse pull rod type pressure loading device |
| CN110842518B (en) * | 2019-11-26 | 2021-09-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Reverse pull rod type pressure loading device |
| CN113084748A (en) * | 2021-04-12 | 2021-07-09 | 浙江银轮机械股份有限公司 | Plug extractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |