CN203945096U - Self-aligning split fluid pressure type bearing thruster - Google Patents
Self-aligning split fluid pressure type bearing thruster Download PDFInfo
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- CN203945096U CN203945096U CN201420250710.5U CN201420250710U CN203945096U CN 203945096 U CN203945096 U CN 203945096U CN 201420250710 U CN201420250710 U CN 201420250710U CN 203945096 U CN203945096 U CN 203945096U
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Abstract
The utility model Self-aligning split fluid pressure type bearing thruster provides one can use two drawing clamping plate to fix by two screw rods nut, bearing outer ring is formed to contact-making surface, and by the swing arm in drawing clamping plate, in the process using, (two drawing screw rods allow certain range deviation to avoid using the distance of two drawing screw rods of gage measuring, in traction process, allow drawing clamping plate, bearing and push rod shape to have a certain degree, automatically adjust the direction of traction force by swing arm).What make bearing is subject to the force direction Self-aligning split fluid pressure type bearing thruster consistent with the cross-sectional direction of bearing, comprise: hydraulic jack, Split pump, open thrust beam and a pair of drawing clamping plate, drawing screw rod and nut, the center of open thrust beam is provided with the pushing tow screwed hole matching with hydraulic jack.The utility model is particularly useful for dismantling bearing.
Description
Technical field
The utility model relates to a kind of thruster that is specifically designed to dismounting bearing, refers more particularly to a kind of by automatically adjusting the split fluid pressure type bearing thruster of drawing bearing centre.
Technical background
Thruster extensive use tightens part with axles such as dismantling various shaft couplings, gear, bearing, belt pulley.By its pushing tow mode, be conventionally divided into screw thruster and jack type thruster.Current screw thruster, its structure comprises: thrust beam and by screw thread be located in pushing tow screw rod in thrust beam and use screw rod directly through drawing clamping plate and with drawing clamping plate behind nut fix, thrust beam is fixed or is enclosed structure, in use procedure, not fixed thrust beam can not regulate according to the size of bearing the distance of suitable drawing screw rod, and 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 forming surface or line contact, producing friction makes working strength increasing and pushing tow bearing Hou Duizhou center have certain damage, use screw rod directly to fix through drawing clamping plate and with drawing clamping plate behind nut, this kind of mode contacts when two drawing screw rod spacing form line between drawing clamping plate and the outer ring of 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 the damage of axle and the distortion of bearing, affect again normally using of the surface engagement surface accuracy of axle journal and the quality on surface and bearing.
Utility model content
Technical problem to be solved in the utility model is, provide a kind of avoids because the discontinuity equalization in the bearing drawing process that the excessive drawing screw rod causing of pulling force and the deformation of drawing chuck cause in the process that pulls bearing as far as possible, cause the damage of bearing damage and axle journal, reduce labourer's labour intensity simultaneously, increase a kind of Self-aligning split fluid pressure type bearing thruster that pulls efficiency.
The utility model is achieved like this, it comprises two drawing screw rods and a pair of drawing clamping plate, it is characterized in that, it also comprises oscillating arm mechanisms, hydraulic jack, open thrust beam, hydraulic oil pipe and Split pump, one end of described hydraulic oil pipe connects Split pump, the other end is by hydraulic jack joint connecting fluid compressing cylinder, and the hydraulic cylinder piston rod periphery of hydraulic jack is hydraulic jack screw thread, and hydraulic jack matches with the screw that is positioned at open thrust beam center by hydraulic jack screw thread; Two drawing screw rods are connected with the two ends of open thrust beam respectively, drawing screw rod also connects the top of drawing clamping plate by oscillating arm mechanisms, the two ends of two drawing clamping plate are respectively equipped with plywood hole, two drawing clamping plate connect by the locking screw through plywood hole, and the two ends of described locking screw are also provided with the nut that regulates two drawing clamping plate distances.
The center of described open thrust beam is provided with the pushing tow screwed hole matching with pushing tow screw rod, and pushing tow screw rod top is that nut head bottom is steel ball.
Described drawing clamping plate entirety is semi-circular structure, the centre of drawing clamping plate is half round cut, and be provided with the swing arm mouth for connecting oscillating arm mechanisms at top, drawing clamping plate center, there are two spacing cancellations the below of swing arm mouth, and the both sides of swing arm mouth have two for inserting the column pin hole II of the fixing oscillating arm mechanisms of pin.
Preferably: the back of described drawing clamping plate has oblique I-shaped clamping plate back reinforcement.
The end of described drawing screw rod is connected in the swing arm screwed hole of oscillating arm mechanisms, and oscillating arm mechanisms is also provided with the column pin hole I perpendicular with the aperture of swing arm screwed hole, and oscillating arm mechanisms is by being connected with drawing clamping plate axle through the pin of column pin hole I and column pin hole II.
Preferably: described column pin hole I and column pin hole II are matched in clearance with coordinating of pin.
Preferably: the two ends of described open thrust beam are opening groove, drawing screw rod is connected on opening groove by the drawing fastening nuts that is positioned at open thrust beam both sides.
The beneficial effects of the utility model are: owing to having used drawing clamping plate and bearing outer ring face to meet place, avoid bearing because local pressure makes bearing deformation in drawing process, affect reusing of bearing; Use to be subject to the consistent and stress balance of force direction between swing arm self-adjustable bearing inner ring cross section and pushing tow screw rod, ensure that in bearing drawing process, avoiding pulling axle forms obvious cut, the cost of increase axle reparation; Use hydraulic jack to pull bearing, can adjust and pull position of bearings by screw thread in hydraulic jack and open thrust beam screwed hole, use split top to avoid outer force unbalance, make to pull that bearing is more steady and to pull efficiency higher, greatly reduce labour intensity; Also avoided the obvious cut being formed due to face contact or line contact friction by pushing tow screw top position simultaneously; Use open thrust beam, utilized the movable property of swing arm in assembling process, just drawing screw rod has been put in thrust beam by side very easily, mounting process is very simple, save time; In drawing screw rod, use two drawing nuts, first thrust beam is positioned in drawing nut below, in the extreme limit of travel of pushing tow screw rod is arrived on top time, can unclamp pushing tow screw rod, utilize the advantage of open thrust beam, be positioned over fast preposition drawing nut front, (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 split fluid pressure type 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 the situation that not using, can take apart each parts simultaneously, be positioned in special tool box, and the little Portable belt of putting of whole thruster volume, Split pump is for using universal separate pump.Therefore, be very suitable for promotion and implementation.
Brief description of the drawings
Fig. 1 is Self-aligning split fluid pressure type bearing thruster structural representation of the present utility model
Fig. 2 is the swing arm structure schematic diagram of the fluid pressure type of Self-aligning split shown in Fig. 1 bearing thruster
Fig. 3 is the open pushing tow screw-rod structure schematic diagram of the fluid pressure type of Self-aligning split shown in Fig. 1 bearing thruster
Fig. 4 is the drawing clamping plate Facad structure schematic diagram of the fluid pressure type of Self-aligning split shown in Fig. 1 bearing thruster
Fig. 5 is the drawing clamping plate structure schematic diagram of the fluid pressure type of Self-aligning split shown in Fig. 1 bearing thruster
Fig. 6 is the open thrust beam structural representation of the fluid pressure type of Self-aligning split shown in Fig. 1 bearing thruster
Oscillating arm mechanisms 2, hydraulic jack 3, drawing clamping plate 4, drawing screw rod 5, open thrust beam 6, drawing nut 7, locking screw 8, nut 9, pin 11, column pin hole I 12, swing arm screwed hole 21, hydraulic oil pipe 22, Split pump 23, hydraulic jack joint 24 hydraulic jack screw threads 25, hydraulic cylinder piston rod 31, spacing pin 32 swing arm mouths 33, column pin hole II 34, plywood hole 35, half round cut 36, clamping plate back reinforcement 51, screw 52, opening groove in the drawings, 1.
Concrete embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1, the utility model is achieved like this, it comprises two drawing screw rods 4 and a pair of drawing clamping plate 3, its structure is, it also comprises oscillating arm mechanisms 1, hydraulic jack 2, open thrust beam 5, hydraulic oil pipe 21 and Split pump 22, one end of described hydraulic oil pipe 21 connects Split pump 22, the other end is by hydraulic jack joint 23 connecting fluid compressing cylinders 2, as shown in Figure 3, hydraulic cylinder piston rod 25 peripheries of hydraulic jack 2 are hydraulic jack screw thread 24, and hydraulic jack 2 matches with the screw 51 that is positioned at open thrust beam 5 centers by hydraulic jack screw thread 24; Two drawing screw rods 4 are connected with the two ends of open thrust beam 5 respectively, drawing screw rod 4 also connects the top of drawing clamping plate 3 by oscillating arm mechanisms 1, the two ends of two drawing clamping plate 3 are respectively equipped with plywood hole 34, two drawing clamping plate 3 connect by the locking screw 7 through plywood hole 34, and the two ends of described locking screw 7 are also provided with the nut 8 that regulates two drawing clamping plate 3 distances.
The center of described open thrust beam 5 is provided with the pushing tow screwed hole matching with pushing tow screw rod, and pushing tow screw rod top is that nut head bottom is steel ball.
As shown in Figure 4 and Figure 5, described drawing clamping plate 3 entirety are semi-circular structure, the centre of drawing clamping plate 3 is half round cut 35, and be provided with the swing arm mouth 32 for connecting oscillating arm mechanisms 1 at drawing clamping plate 3 tops, center, there are two spacing cancellations 31 below of swing arm mouth 32, and the both sides of swing arm mouth 32 have two for inserting the column pin hole II33 of pin 9 fixing oscillating arm mechanisms 1.The back of described drawing clamping plate 3 has oblique I-shaped clamping plate back reinforcement 36.
As shown in Figure 2, the end of described drawing screw rod 4 is connected in the swing arm screwed hole 12 of oscillating arm mechanisms 1, oscillating arm mechanisms 1 is also provided with the column pin hole I11 perpendicular with the aperture of swing arm screwed hole 12, and oscillating arm mechanisms 1 is by being connected with drawing clamping plate 3 axles through the pin 9 of column pin hole I11 and column pin hole II33.Described column pin hole I11 and column pin hole II33 are matched in clearance with coordinating of pin 9.
As shown in Figure 6, the two ends of described open thrust beam 5 are opening groove 52, and drawing screw rod 4 is fastenedly connected on opening groove 52 by the drawing nut 6 that is positioned at open thrust beam 5 both sides.
Assembling of the present utility model and operation principle are such, the column pin hole I11 of described oscillating arm mechanisms 1 matches with pin 9 and column pin hole II33, column pin hole I11, pin 9 and clamping plate column pin hole II33 are coaxially connected, oscillating arm mechanisms 1 is installed on the position of clamping plate swing arm mouth 32, oscillating arm mechanisms 1 is rotated round pin 9, and swing arm screwed hole 12 is fixedly connected with drawing screw rod 4.The hydraulic jack screw thread 24 of hydraulic jack 2 passes the screw 51 of open thrust beam 5 and perpendicular to open thrust beam 5, Split pump 22 is connected with hydraulic jack joint 23 by hydraulic oil pipe 21.Described drawing clamping plate 3 entirety are semi-circular structure, two drawing clamping plate 3 are assembled into drawing plane, plywood hole 34 bridge joint two clamping plates by locking screw 7 through drawing clamping plate 3, and lock by nut 8, drawing clamping plate 3 have two spacing pins 31 that bearing is spacing in swing arm mouth 32 bottoms, two spacing pins 31 are symmetrical with respect to clamping plate center, and the axle that bottom semicircular breach 35 adapts to different-diameter is installed, and drawing clamping plate 3 backs have oblique I-shaped clamping plate back reinforcement 36.Screw 51 for matching with the hydraulic jack screw thread 24 of hydraulic jack 2 in the middle of described open thrust beam 5, and two ends have opening groove 52, the relative Central Symmetry of both ends open groove 52, can in opening groove 52, move to adapt to ensure the balance of drawing screw rod 4 according to the different distance of different diameter of axle drawing clamping plate 3 clampings, opening groove 52 places drawing screw rod 4 and pulling in bearing process by drawing nut 6 fixingly, open thrust beam 5 ensures that both sides drawing screw rod 4 centers and hydraulic cylinder piston rod 25 centers are in same plane.
Use procedure of the present utility model is as follows: by 3, two drawing clamping plate in will dismantling the axle journal of bearing, and pass through in the outer ring of locking screw 7 and nut 8 locking bearings, larger bearing can be spacing by spacing pin 31 in drawing clamping plate 3, ensures the availability of oscillating arm mechanisms 1 aligning.Adjust in drawing screw rod 4 compared with the position of the drawing nut 6 of far-end, adjusted after correct position open pushing tow roof beam structure before two drawing nuts 6, and adjust the hydraulic cylinder piston rod 25 of hydraulic jack 2, make it to peak at Zhou center, drawing one segment distance, hydraulic cylinder piston rod 25 reaches extreme limit of travel, adjustment is roughly suitable from the position of the drawing nut 6 of bearing near-end, pressure release hydraulic jack 2, drawing screw rod 4 is opening groove 52 side openings from open thrust beam 5, take out open thrust beam 5 and hydraulic jack 2, then by open pushing tow roof beam structure in the anterior locations of near-end drawing nut 6, adjust the position of hydraulic jack, pin 22 dozens of hydraulic oil of Split pump, until bearing is disassembled out the task that can complete this dismounting bearing.Pull in process owing to being subject to oscillating arm mechanisms 1 and automatically adjust hydraulic jack 2 and be subject to force direction position that the bearing rear bearing that is removed can not be out of shape, do not affect and reuse, axle journal is without wearing and tearing.
Claims (7)
1. a Self-aligning split fluid pressure type bearing thruster, it comprises two drawing screw rods and a pair of drawing clamping plate, it is characterized in that, it also comprises oscillating arm mechanisms, hydraulic jack, open thrust beam, hydraulic oil pipe and Split pump, one end of described hydraulic oil pipe connects Split pump, the other end is by hydraulic jack joint connecting fluid compressing cylinder, the hydraulic cylinder piston rod periphery of hydraulic jack is hydraulic jack screw thread, and hydraulic jack matches with the screw that is positioned at open thrust beam center by hydraulic jack screw thread; Two drawing screw rods are connected with the two ends of open thrust beam respectively, drawing screw rod also connects the top of drawing clamping plate by oscillating arm mechanisms, the two ends of two drawing clamping plate are respectively equipped with plywood hole, two drawing clamping plate connect by the locking screw through plywood hole, and the two ends of described locking screw are also provided with the nut that regulates two drawing clamping plate distances.
2. Self-aligning split fluid pressure type bearing thruster as claimed in claim 1, is characterized in that, the center of described open thrust beam is provided with the pushing tow screwed hole matching with pushing tow screw rod, and pushing tow screw rod top is that nut head bottom is steel ball.
3. Self-aligning split fluid pressure type bearing thruster as claimed in claim 1, it is characterized in that, described drawing clamping plate entirety is semi-circular structure, the centre of drawing clamping plate is half round cut, and be provided with the swing arm mouth for connecting oscillating arm mechanisms at top, drawing clamping plate center, there are two spacing cancellations the below of swing arm mouth, and the both sides of swing arm mouth have two for inserting the column pin hole II of the fixing oscillating arm mechanisms of pin.
4. Self-aligning split fluid pressure type bearing thruster as claimed in claim 3, is characterized in that, the back of described drawing clamping plate has oblique I-shaped clamping plate back reinforcement.
5. Self-aligning split fluid pressure type bearing thruster as claimed in claim 1, it is characterized in that, the end of described drawing screw rod is connected in the swing arm screwed hole of oscillating arm mechanisms, oscillating arm mechanisms is also provided with the column pin hole I perpendicular with the aperture of swing arm screwed hole, and oscillating arm mechanisms is by being connected with drawing clamping plate axle through the pin of column pin hole I and column pin hole II.
6. Self-aligning split fluid pressure type bearing thruster as claimed in claim 5, is characterized in that, described column pin hole I and column pin hole II are matched in clearance with coordinating of pin.
7. Self-aligning split fluid pressure type bearing thruster as claimed in claim 1, is characterized in that, the two ends of described open thrust beam are opening groove, and drawing screw rod is connected on opening groove by the drawing fastening nuts that is positioned at open thrust beam both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250710.5U CN203945096U (en) | 2014-05-15 | 2014-05-15 | Self-aligning split fluid pressure type bearing thruster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250710.5U CN203945096U (en) | 2014-05-15 | 2014-05-15 | Self-aligning split fluid pressure type bearing thruster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203945096U true CN203945096U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420250710.5U Active CN203945096U (en) | 2014-05-15 | 2014-05-15 | Self-aligning split fluid pressure type bearing thruster |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858638A (en) * | 2015-04-20 | 2015-08-26 | 山东太古飞机工程有限公司 | Disassembly technological equipment of main undercarriage axle sleeves and brake sleeves of 737NG series aircrafts |
| CN105643246A (en) * | 2016-03-15 | 2016-06-08 | 柳州职业技术学院 | Pressing method of full-automatic automotive instrument panel pointer cap |
| CN107490516A (en) * | 2017-07-31 | 2017-12-19 | 郑州东辰科技有限公司 | A kind of drawing instrument |
| CN109352587A (en) * | 2018-12-07 | 2019-02-19 | 中车株洲电机有限公司 | A kind of bearing drawing disassembling fixture |
-
2014
- 2014-05-15 CN CN201420250710.5U patent/CN203945096U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858638A (en) * | 2015-04-20 | 2015-08-26 | 山东太古飞机工程有限公司 | Disassembly technological equipment of main undercarriage axle sleeves and brake sleeves of 737NG series aircrafts |
| CN104858638B (en) * | 2015-04-20 | 2017-03-01 | 山东太古飞机工程有限公司 | 737NG series aircraft main landing gear wheel shaft axle sleeve and brake set disassembling fixture |
| CN105643246A (en) * | 2016-03-15 | 2016-06-08 | 柳州职业技术学院 | Pressing method of full-automatic automotive instrument panel pointer cap |
| CN105643246B (en) * | 2016-03-15 | 2017-12-19 | 柳州职业技术学院 | Full-automatic automobile instrument panel pointer cap head drawing method |
| CN107490516A (en) * | 2017-07-31 | 2017-12-19 | 郑州东辰科技有限公司 | A kind of drawing instrument |
| CN107490516B (en) * | 2017-07-31 | 2023-11-21 | 郑州东辰科技有限公司 | Drawing instrument |
| CN109352587A (en) * | 2018-12-07 | 2019-02-19 | 中车株洲电机有限公司 | A kind of bearing drawing disassembling fixture |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |