CN203471712U - Self-aligning screw bearing thruster - Google Patents
Self-aligning screw bearing thruster Download PDFInfo
- Publication number
- CN203471712U CN203471712U CN201320464813.7U CN201320464813U CN203471712U CN 203471712 U CN203471712 U CN 203471712U CN 201320464813 U CN201320464813 U CN 201320464813U CN 203471712 U CN203471712 U CN 203471712U
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- screw
- clamping plate
- screw rod
- swing arm
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Abstract
The utility model discloses a self-aligning screw bearing thruster. The self-aligning screw bearing thruster comprises a swinging arm, a thrusting screw, two pulling splints, two pulling screws, a thrusting beam and two locking screws, wherein the two pulling splints are connected with each other through the two locking screws which penetrate the pulling splints; a nut used for adjusting the distance between the pulling splints is arranged at each end of the locking screws; an arc positioning gap is formed in the inner sides of the pulling splints by sinking inwards; two pin holes are formed in the outer side; a swinging arm mounting hole is mounted between the two pin holes; the swinging arm comprises a pin connecting shaft sleeve and a screw connecting shaft sleeve which are perpendicular to each other; the connecting shaft sleeve is inserted into the swinging arm mounting hole, and the swinging arm and the pulling splints are pivoted together by the pin connecting sleeve through a pin; the two pulling screws, matched with a threaded hole in the screw connecting shaft sleeve, are connected with the swinging arm; the thrusting beam is positioned above the two pulling screws; a screw hole is further formed in the center of the trusting beam; the thrusting screw is screwed with the screw hole.
Description
Technical field
The utility model relates to a kind of for dismantling the thruster of bearing, is specifically related to a kind of screw bearing thruster that can automatically adjust drawing bearing centre.
Background technology
Thruster is widely used in dismantling the axles such as various shaft couplings, gear, bearing, belt pulley and tightens part.By its pushing tow mode, be conventionally divided into screw thruster and jack type thruster.The structure of current screw thruster comprises: thrust beam and the pushing tow screw rod and the use screw rod that by screw thread, are located in thrust beam are directly fixed through drawing clamping plate and with drawing clamping plate behind nut, thrust beam is fixed or is the portable structure of sealing, in use procedure, fixed thrust beam can not regulate the distance of suitable drawing screw rod according to the size of bearing, the efficiency of sealing equipment adjustment drawing screw rod in the use procedure of portable pushing tow beam is not high, in the bullet use procedure of pushing tow screw rod bottom, contact with axle centre bore formation face or line contact, producing friction makes working strength increasing and pushing tow bearing Hou Duizhou center have certain damage, use screw rod directly through drawing clamping plate and with drawing clamping plate behind nut, to fix, this kind of mode forms line and contacts between the outer ring of two drawing screw rod spacing drawing clamping plate and bearing when inconsistent, the cross section shape that the inner ring of bearing is subject to force direction and bearing in an angle, thereby carry out in the process of pushing tow at the axle in bearing, cause damage of the bearing and bearing deformation, thereby affect again normally using of bearing, and affect the precision of mating surface and the quality on surface of axle journal and bearing inner race, increased the rehabilitation cost of axle journal.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of in pulling bearing process, stress equalization, can not cause bearing damage and journal damage, can reduce labor intensity, increase the Self-aligning screw bearing thruster that pulls efficiency simultaneously.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of Self-aligning screw bearing thruster, comprise swing arm, pushing tow screw rod, two drawing clamping plate, two drawing screw rods, thrust beam and two locking screws, two drawing clamping plate by two locking screw cross-under that be arranged in parallel together, the inner side edge that makes two drawing clamping plate is positioned on the same straight line parallel with locking screw along the center of circle of upper circular arc locating notch, the two ends of two locking screws respectively arrange one for regulating the nut of maximum spacing between two drawing clamping plate, described drawing clamping plate with described inner side edge along relative outer side edges along being provided with two column pin holes, between two column pin holes, form swing arm installing hole, described swing arm comprises orthogonal pin connecting bushing and screw rod connecting bushing, and described pin connecting bushing is provided with the connecting hole that runs through its upper and lower end face, and the end face of described screw rod connecting bushing is provided with threaded connection hole, described pin connecting bushing inserts in described swing arm installing hole, and through the column pin hole on drawing clamping plate and the connecting hole of swing arm, swing arm and drawing clamping plate are articulated along the direction vertical with locking screw by pin, two drawing screw rods coordinate by the threaded connection hole on the screw rod connecting bushing with corresponding separately and are fixed together with swing arm, thrust beam is positioned on two drawing screw rods, and the center of thrust beam is also provided with a screw, and described pushing tow screw rod is connected with screw threaded engagement.
Preferably: the top of described pushing tow screw rod is provided with a nut head, in the middle of its bottom bullet, be inlaid with a steel ball.
Preferably: the outer surface of described drawing clamping plate is also provided with I-shaped reinforcement.
Preferably: the two ends of described thrust beam respectively arrange the U-shaped groove of an outward opening, two drawing screw rods pack in corresponding U-shaped groove through the opening of the U-shaped groove of respective side, and the location of carrying out thrust beam by the upper drawing nut that coordinates with drawing screw rod and lower drawing nut.
Preferably: on described drawing clamping plate, be provided with for limiting the spacing pin of the hunting range of drawing screw rod.
The beneficial effects of the utility model are, owing to having used drawing clamping plate to contact with bearing outer ring face, have avoided bearing because local pressure makes bearing deformation in drawing process, affect reusing of bearing; Use swing arm, between self-adjustable bearing inner ring cross section and pushing tow screw rod, be subject to the consistent and stress balance of force direction, guarantee that in bearing drawing process, avoiding pulling axle forms obvious cut, the cost of increase axle reparation; At pushing tow screw head, steel ball is installed simultaneously, compared to traditional addendum cone position, become face to contact with axle or line contact changes a contact into, make the stress point of pushing tow screw rod more concentrated, avoid other frictional dissipation power, also just more laborsaving in pulling spanner process, greatly reduce labour intensity, also avoided the obvious cut being formed due to face contact or line contact friction by pushing tow screw rod top simultaneously; Use two ends to there is the thrust beam of U-lag, in assembling process, utilized the movable property of swing arm, just drawing screw rod has been put in thrust beam by side very easily, mounting process very simply, save time; In drawing screw rod, use two drawing nuts, first thrust beam is positioned in lower drawing nut, in the time of in the extreme limit of travel of pushing tow screw rod is arrived on top, can unclamp pushing tow screw rod, utilize the advantage of thrust beam, be positioned over fast drawing nut the place ahead, (distance with respect to clamping plate of two drawing nuts is close can to carry out drawing, range estimation, the length spacing without gage measuring thrust beam both sides to drawing screw rod between drawing clamping plate).Very quick, effective, safe that bearing removal is out practical in whole drawing process.The spacing that this Self-aligning screw bearing puller only need to be adjusted two clamping plate according to the bearing of different size is simultaneously used, highly versatile.Bearing thruster, in obsolete situation, can take apart each parts simultaneously, is positioned in special-purpose tool box the little Portable belt of putting of whole thruster volume.Therefore, be very suitable for promotion and implementation.
Accompanying drawing explanation
Fig. 1 shows the structural representation of bearing thruster described in the utility model;
Fig. 2 shows the cutaway view of the swing arm of bearing thruster described in the utility model;
Fig. 3 shows the structural representation of the pushing tow screw rod of bearing thruster described in the utility model;
Fig. 4 shows the surface structure schematic diagram of the drawing clamping plate of bearing thruster described in the utility model;
Fig. 5 shows the lower surface configuration schematic diagram of the drawing clamping plate of bearing thruster described in the utility model;
Fig. 6 is the structural representation that the thrust beam of bearing thruster described in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.
As shown in Fig. 1-6, Self-aligning screw bearing thruster described in the utility model comprises swing arm 1, pushing tow screw rod 2, drawing clamping plate 3, drawing screw rod 4, thrust beam 5 and locking screw 6, described swing arm 1 comprises orthogonal pin connecting bushing 11 and screw rod connecting bushing 12, in described pin connecting bushing 11, be provided with the connecting hole that runs through its upper and lower end face, the end face of described screw rod connecting bushing 12 is provided with threaded connection hole.The top of described pushing tow screw rod 2 is provided with a nut head 21, in the middle of its bottom bullet, is inlaid with a steel ball 22.Described drawing clamping plate 3 can be semicircular structure substantially, the inner side edge of described drawing clamping plate 3 forms a circular arc locating notch 35 along caving inward, the outer side edges relative with inner side is along being provided with two column pin holes 33,33 of two column pin holes form swing arm installing holes 32, on described drawing clamping plate 3, also can be provided be for example two for limiting the spacing pin 31 of the hunting range of drawing screw rod 4; The upper and lower side at the edge, connection medial and lateral of described drawing clamping plate 3 is along being also formed with the screw rod perforation 34 of passing for locking screw 6, further, as one preferred embodiment, the outer surface of described drawing clamping plate 3 is also provided with I-shaped reinforcement 36.The two ends of described thrust beam 5 are respectively provided with the U-shaped groove 52 of an outward opening, the center of thrust beam 5 be also provided with one with suitable screw 51 screws 51 of pushing tow screw rod 4.
By two locking screws 6, the screw rod perforation 34 through upper and lower side edge links together two drawing clamping plate 3 to Self-aligning screw bearing thruster described in the utility model, and at the two ends of locking screw 6, the nut 61 that is divided into two drawing clamping plate 3 both sides is installed, in order to adjust two drawing clamping plate 3 between maximum spacing, after two drawing clamping plate 3 are connected to together, the center of circle of two circular arc locating notches 35 is positioned on the same straight line parallel with locking screw 6.By two swing arms 1, drawing clamping plate 3 and drawing screw rod 4 are linked together, described swing arm 1 correspondence is inserted in the swing arm installing hole 32 on drawing clamping plate 3, and by pin 31 successively through the column pin hole 33 on drawing clamping plate 3 and the connecting hole in swing arm 1 just swing arm 1 be articulated with drawing clamping plate 3, by the threaded connection hole on the screw rod connecting bushing 12 of swing arm 1, drawing screw rod 4 and swing arm 1 are linked together; The other end of described drawing screw rod 4 through the U-shaped groove 52 of thrust beam 5 by drawing screw rod 4 link together with thrust beam 5, and limit by the upper drawing nut 41 that is divided into thrust beam 5 both sides and the lower drawing nut 42 coordinating with drawing screw rod 4 stroke that thrust beams 5 move along drawing screw rod 4 in drawing process.Described pushing tow screw rod 2 is through the screw 51 of thrust beam 5 centers, and the steel ball 22 of its head and the center of circle of two circular arc locating notches 35 over against.
The course of work of Self-aligning screw bearing thruster described in the utility model is as follows: by 3, two drawing clamping plate in the axle journal of required dismounting bearing, and make 3 lockings of drawing clamping plate on bearing outer ring by rotating nut 61, now, inner surface and the bearing outer ring of circular arc locating notch 35 fit tightly, the center of circle of two circular arc locating notches 35 overlaps, and larger bearing can be undertaken spacing by spacing pin 31 in drawing clamping plate 3.Adjust the position of the upper drawing nut 41 on drawing screw rod 4, adjust after correct position 5 of thrust beams between upper drawing nut 41 and lower drawing nut 42, and the steel ball 22 of adjusting pushing tow screw rod 2 bottoms peaks at the center of bearing, the nut head 21 turning on pushing tow screw rod 2 by box spanner or double offset ring spanner carries out drawing, after drawing one segment distance, pull screw rod 2 and reach extreme limit of travel, adjustment is from the position of the lower drawing nut 42 of bearing near-end, can exit pushing tow screw rod 2, drawing screw rod 4 is U-lag 52 side openings from thrust beam 5, take out thrust beam 5, then by 5 of thrust beams in the anterior locations of upper drawing nut 41, continue to adjust and pull screw rod 2, until bearing is disassembled out the task of completing this dismounting bearing.Pull in process owing to being subject to swing arm 1 and automatically adjust pushing tow screw rod 2 and be subject to force direction position that the bearing rear bearing that is removed can be out of shape, do not affect and reuse, axle journal is without wearing and tearing.
Be only the utility model preferred embodiment in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should belong to technology category of the present utility model.
Claims (5)
1. a Self-aligning screw bearing thruster, it is characterized in that: comprise swing arm, pushing tow screw rod, two drawing clamping plate, two drawing screw rods, thrust beam and two locking screws, two drawing clamping plate by two locking screw cross-under that be arranged in parallel together, the inner side edge that makes two drawing clamping plate is positioned on the same straight line parallel with locking screw along the center of circle of upper circular arc locating notch, the two ends of two locking screws respectively arrange one for regulating the nut of maximum spacing between two drawing clamping plate, described drawing clamping plate with described inner side edge along relative outer side edges along being provided with two column pin holes, between two column pin holes, form swing arm installing hole, described swing arm comprises orthogonal pin connecting bushing and screw rod connecting bushing, and described pin connecting bushing is provided with the connecting hole that runs through its upper and lower end face, and the end face of described screw rod connecting bushing is provided with threaded connection hole, described pin connecting bushing inserts in described swing arm installing hole, and through the column pin hole on drawing clamping plate and the connecting hole of swing arm, swing arm and drawing clamping plate are articulated along the direction vertical with locking screw by pin, two drawing screw rods coordinate by the threaded connection hole on the screw rod connecting bushing with corresponding separately and are fixed together with swing arm, thrust beam is positioned on two drawing screw rods, and the center of thrust beam is also provided with a screw, and described pushing tow screw rod is connected with screw threaded engagement.
2. Self-aligning screw bearing thruster according to claim 1, is characterized in that: the top of described pushing tow screw rod is provided with a nut head, in the middle of its bottom bullet, is inlaid with a steel ball.
3. Self-aligning screw bearing thruster according to claim 1, is characterized in that: the outer surface of described drawing clamping plate is also provided with I-shaped reinforcement.
4. Self-aligning screw bearing thruster according to claim 1, it is characterized in that: the two ends of described thrust beam respectively arrange the U-shaped groove of an outward opening, two drawing screw rods pack in corresponding U-shaped groove through the opening of the U-shaped groove of respective side, and the location of carrying out thrust beam by the upper drawing nut that coordinates with drawing screw rod and lower drawing nut.
5. Self-aligning screw bearing thruster according to claim 1, is characterized in that: on described drawing clamping plate, be provided with for limiting the spacing pin of the hunting range of drawing screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464813.7U CN203471712U (en) | 2013-07-31 | 2013-07-31 | Self-aligning screw bearing thruster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464813.7U CN203471712U (en) | 2013-07-31 | 2013-07-31 | Self-aligning screw bearing thruster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203471712U true CN203471712U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464813.7U Expired - Lifetime CN203471712U (en) | 2013-07-31 | 2013-07-31 | Self-aligning screw bearing thruster |
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| CN (1) | CN203471712U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978456A (en) * | 2014-04-14 | 2014-08-13 | 国机重工（常州）挖掘机有限公司 | Adjustable pulling and sheathing device |
| CN104493775A (en) * | 2014-12-25 | 2015-04-08 | 重庆元创自动化设备有限公司 | Tool for demounting brake pads of lathe |
| CN104907998A (en) * | 2015-06-12 | 2015-09-16 | 安徽华茂纺织股份有限公司 | Adjustable nondestructive bearing disassembling device |
| CN105108695A (en) * | 2015-09-18 | 2015-12-02 | 山东钢铁股份有限公司 | Replacing device for fillings of circulating ammonia water plug valve of coke oven |
| CN105150170A (en) * | 2015-09-30 | 2015-12-16 | 安徽江淮汽车股份有限公司 | Bush disassembly and assembly tool |
| CN105345703A (en) * | 2015-10-04 | 2016-02-24 | 陈宁 | Simple jacket dismounting and mounting tool and process method thereof |
| CN106239425A (en) * | 2016-08-31 | 2016-12-21 | 中船澄西船舶修造有限公司 | Little space motor bearing disassembling method |
| CN106272241A (en) * | 2015-05-29 | 2017-01-04 | Skf公司 | Bearing puller |
| CN106272243A (en) * | 2016-08-31 | 2017-01-04 | 中船澄西船舶修造有限公司 | Little space motor bearing disassembles frock |
| CN106312908A (en) * | 2016-11-02 | 2017-01-11 | 舒城县华林金属制品有限公司 | Fixed puller |
| CN106671019A (en) * | 2017-03-15 | 2017-05-17 | 河南中烟工业有限责任公司 | Pulley extractor |
| CN107900974A (en) * | 2017-12-28 | 2018-04-13 | 中国石油天然气第六建设有限公司 | Large and medium-sized bearing of asynchronous, axle sleeve draw-off gear and method |
| CN109108895A (en) * | 2018-10-11 | 2019-01-01 | 株洲九方装备驱动技术有限公司 | The efficient disassembling fixture of bearing inner race |
| CN109571362A (en) * | 2018-12-05 | 2019-04-05 | 中核四0四有限公司 | A kind of bearing disassembling device |
| CN111015592A (en) * | 2019-11-22 | 2020-04-17 | 中国航发西安动力控制科技有限公司 | 8-shaped bearing dismounting device and dismounting method |
| CN112605941A (en) * | 2020-10-30 | 2021-04-06 | 沪东中华造船(集团)有限公司 | Method for disassembling interference connecting bolt of ship shafting |
| CN112605942A (en) * | 2020-10-30 | 2021-04-06 | 沪东中华造船(集团)有限公司 | Ship shafting interference connecting bolt dismounting device |
-
2013
- 2013-07-31 CN CN201320464813.7U patent/CN203471712U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978456A (en) * | 2014-04-14 | 2014-08-13 | 国机重工（常州）挖掘机有限公司 | Adjustable pulling and sheathing device |
| CN104493775A (en) * | 2014-12-25 | 2015-04-08 | 重庆元创自动化设备有限公司 | Tool for demounting brake pads of lathe |
| CN106272241A (en) * | 2015-05-29 | 2017-01-04 | Skf公司 | Bearing puller |
| CN104907998A (en) * | 2015-06-12 | 2015-09-16 | 安徽华茂纺织股份有限公司 | Adjustable nondestructive bearing disassembling device |
| CN105108695A (en) * | 2015-09-18 | 2015-12-02 | 山东钢铁股份有限公司 | Replacing device for fillings of circulating ammonia water plug valve of coke oven |
| CN105150170A (en) * | 2015-09-30 | 2015-12-16 | 安徽江淮汽车股份有限公司 | Bush disassembly and assembly tool |
| CN105345703A (en) * | 2015-10-04 | 2016-02-24 | 陈宁 | Simple jacket dismounting and mounting tool and process method thereof |
| CN106272243A (en) * | 2016-08-31 | 2017-01-04 | 中船澄西船舶修造有限公司 | Little space motor bearing disassembles frock |
| CN106239425A (en) * | 2016-08-31 | 2016-12-21 | 中船澄西船舶修造有限公司 | Little space motor bearing disassembling method |
| CN106312908A (en) * | 2016-11-02 | 2017-01-11 | 舒城县华林金属制品有限公司 | Fixed puller |
| CN106671019A (en) * | 2017-03-15 | 2017-05-17 | 河南中烟工业有限责任公司 | Pulley extractor |
| CN107900974A (en) * | 2017-12-28 | 2018-04-13 | 中国石油天然气第六建设有限公司 | Large and medium-sized bearing of asynchronous, axle sleeve draw-off gear and method |
| CN109108895A (en) * | 2018-10-11 | 2019-01-01 | 株洲九方装备驱动技术有限公司 | The efficient disassembling fixture of bearing inner race |
| CN109571362A (en) * | 2018-12-05 | 2019-04-05 | 中核四0四有限公司 | A kind of bearing disassembling device |
| CN111015592A (en) * | 2019-11-22 | 2020-04-17 | 中国航发西安动力控制科技有限公司 | 8-shaped bearing dismounting device and dismounting method |
| CN112605941A (en) * | 2020-10-30 | 2021-04-06 | 沪东中华造船(集团)有限公司 | Method for disassembling interference connecting bolt of ship shafting |
| CN112605942A (en) * | 2020-10-30 | 2021-04-06 | 沪东中华造船(集团)有限公司 | Ship shafting interference connecting bolt dismounting device |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |