CN205765939U - A kind of bearing dismounting device - Google Patents
A kind of bearing dismounting device Download PDFInfo
- Publication number
- CN205765939U CN205765939U CN201620522577.3U CN201620522577U CN205765939U CN 205765939 U CN205765939 U CN 205765939U CN 201620522577 U CN201620522577 U CN 201620522577U CN 205765939 U CN205765939 U CN 205765939U
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- CN
- China
- Prior art keywords
- cylinder
- piston
- guide bar
- ram pot
- bearing
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- Expired - Fee Related
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Abstract
This utility model relates to a kind of bearing dismounting device.This utility model includes hydraulic supply unit, pressing device and attaching/detaching apparatus；Described pressing device includes the first cylinder, be arranged in the first cylinder piston guide bar, it is sheathed on piston guide bar the piston sleeve that can move along this piston guide bar；Described attaching/detaching apparatus includes fixing post, thrust disc and gripper jaw, described fixing post is arranged at piston guide bar lower end, described thrust disc is arranged at piston sleeve lower end, these thrust disc central authorities are provided with for the through hole by piston guide bar, under thrust disc, card is uniformly placed with thrust column, and described gripper jaw is arranged at piston sleeve bottom.This utility model uses thrust disc to install bearing, uses gripper jaw to dismantle bearing, and set is installed, disassembling function is integrated, and equipment volume is little, be easy to carry.
Description
Technical field
This utility model relates to a kind of maintenance tool, is specifically related to a kind of bearing dismounting device.
Background technology
Use that machinery means are countershaft holds when installing, general employing hammering method or hydraulic-driven method, hammering method uses sleeve to position bearing, re-use hammer barrel end is tapped, so that bearing is installed to axle, the advantage of hammering method is quick and easy for installation, and instrument is with low cost, its shortcoming is that when tapping, shaft strength point is uneven, easy countershaft manufactures into damage；Hydraulic-driven method uses oiling equipment high pressure on bearing fit face to inject oil film, again bearing is installed to axle, the advantage of hydraulic-driven method is that installation frictional force is little, it is easy to install, bearing will not become to damage by installation process, its shortcoming is to need to process oilhole and oil groove on the mounting shaft, and set-up procedure is loaded down with trivial details；To typically using drawbench to carry out during bearing removal, and not integrating the instrument that bearing is installed, dismantled in existing instrument, need to carry corresponding instrument when bearing removal or installation, tool kind is various, inconvenient to carry.
Utility model content
The purpose of this utility model is that the problem existed for prior art provides a kind of bearing dismounting device integrating installation and removal function.
Concrete technical scheme of the present utility model is as follows:
A kind of bearing dismounting device, including hydraulic supply unit, pressing device and attaching/detaching apparatus；Described pressing device includes the first cylinder, be arranged in the first cylinder piston guide bar, it is sheathed on piston guide bar the piston sleeve that can move along this piston guide bar, described piston sleeve upper end is provided with pushing piston, pressure oil cavity is formed between this pushing piston and the first cylinder inboard wall, pressure oil cavity is communicated in hydraulic supply unit by pressure oil circuit, described piston guide club body is provided with back-moving spring, and piston guide bar lower end extends to outside the first cylinder；Described attaching/detaching apparatus includes fixing post, thrust disc and gripper jaw, described fixing post is arranged at piston guide bar lower end, described thrust disc is arranged at piston sleeve lower end, these thrust disc central authorities are provided with for the through hole by piston guide bar, under thrust disc, card is uniformly placed with thrust column, and described gripper jaw is arranged at the first cylinder bottom；
Described hydraulic supply unit includes the second cylinder, be arranged in the second cylinder the first ram pot, be arranged at the first ram pot chamber in and can be along the second ram pot that its chamber moves, the piston rod that is arranged in the second ram pot chamber；Liquid storage cylinder is formed between described second cylinder inboard wall and the first ram pot, it is provided with piston head bottom second ram pot, described liquid storage cylinder and pressure oil cavity are by pressure oil communication, connected by the first oil inlet passage between the chamber of liquid storage cylinder and the first ram pot, it is provided with the second oil inlet passage and oil discharge passage between first ram pot and the second ram pot chamber, in described pressure oil circuit, the first oil inlet passage, the second oil inlet passage and oil discharge passage, is provided with check valve；
Described hydraulic supply unit top is provided with strut device, described strut device includes being fixed on the depression bar of the second cylinder top and connects seat, depression bar, floor, slide block with chute, it is hinged that described depression bar one end is connected seat by connecting rod with depression bar, described floor is fixed on depression bar shaft, it is provided with bearing pin on this floor, in described bearing pin is installed on the chute of slide block and can move along chute, described slide block is fixed with piston rod and is connected；
It is provided with drainback passage between described pressure oil cavity and hydraulic supply unit, in this drainback passage, is provided with check valve；
Pressure release valve opening it is provided with in described drainback passage；
Described gripper jaw is made up of three clamping limbs uniformly arranged around pressing device outer wall, and described clamping limb is flexibly connected with pressing device outer wall, and clamping limb lower end is provided with fixation hook；
Described fixing post is six prism structures suitable with stub bore.
This utility model has the advantages that
This utility model uses thrust disc to install bearing, uses gripper jaw to dismantle bearing, and set is installed, disassembling function is integrated, and equipment volume is little, be easy to carry；Pressing device drives thrust disc, provides the pressure of stable and uniform for thrust disc, it is ensured that bearing installation process uniform force is stable, prevents bearing impaired；Hydraulic supply unit uses dual pressure structure, provides enough hydraulic pressure for pressing device device；Strut device utilizes lever principle to drive hydraulic supply unit supercharging and voltage supply, it is possible to significantly save manpower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model pressing device；
Fig. 3 is the structural representation of this utility model hydraulic supply unit；
Fig. 4 is the structural representation of this utility model thrust disc；
Fig. 5 is the structural representation of this utility model strut device.
Detailed description of the invention
A kind of bearing dismounting device as shown in Figures 1 to 5, including hydraulic supply unit 1, pressing device 2 and attaching/detaching apparatus；Described pressing device includes the first cylinder 2-1, be arranged in the first cylinder 2-1 piston guide bar 2-2, it is sheathed on piston guide bar 2-2 the piston sleeve 2-3 that can move along this piston guide bar 2-2, described piston sleeve 2-3 upper end is provided with pushing piston 2-4, pressure oil cavity 2-5 is formed between this pushing piston 2-4 and the first cylinder 2-1 inwall, pressure oil cavity 2-5 is communicated in hydraulic supply unit 1 by pressure oil circuit 2-6, described piston guide bar 2-2 shaft is provided with back-moving spring 2-7, piston guide bar 2-2 lower end and extends to outside the first cylinder 2-1；Described attaching/detaching apparatus includes fixing post 3, thrust disc 4 and gripper jaw 5, described fixing post 3 is arranged at piston guide bar 2-2 lower end, described thrust disc 4 is arranged at piston sleeve 2-3 lower end, these thrust disc 4 central authorities are provided with for the through hole 4-1 by piston guide bar 2-2,4 times cards of thrust disc are uniformly placed with thrust column 4-2, and described gripper jaw 5 is arranged at the first cylinder 2-1 bottom；Described hydraulic supply unit 1 includes the second cylinder 1-1, be arranged in the second cylinder 1-1 the first ram pot 1-2, be arranged at the first ram pot 1-2 chamber in and can be along the second ram pot 1-3 that its chamber moves, the piston rod 1-4 that is arranged in the second ram pot 1-3 chamber；Liquid storage cylinder 1-5 is formed between described second cylinder 1-1 inwall and the first ram pot 1-1, it is provided with piston head 1-9 bottom second ram pot 1-3, described liquid storage cylinder 1-5 and pressure oil cavity 2-5 is connected by pressure oil circuit 2-6, connected by the first oil inlet passage 1-6 between the chamber of liquid storage cylinder 1-5 and the first ram pot 1-2, it is provided with the second oil inlet passage 1-7 and oil discharge passage 1-8 between first ram pot 1-2 and the second ram pot 1-3 chamber, in described pressure oil circuit 2-6, the first oil inlet passage 1-6, the second oil inlet passage 1-7 and oil discharge passage 1-8, is provided with check valve；Described hydraulic supply unit 1 top is provided with strut device 6, described strut device 6 includes being fixed on the depression bar on the second cylinder 1-1 top and connects seat 6-1, depression bar 6-2, floor 6-3, slide block 6-4 with chute, it is hinged that described depression bar 6-2 one end is connected seat 6-1 by connecting rod with depression bar, described floor 6-3 is fixed on depression bar 6-2 shaft, it is provided with bearing pin 6-5 on this floor 6-3, in described bearing pin 6-5 is installed on the chute of slide block 6-4 and can move along chute, described slide block 6-4 and piston rod 1-4 fixes and is connected；It is provided with drainback passage 2-8 between described pressure oil cavity 2-5 and hydraulic supply unit 1, in this drainback passage 2-8, is provided with check valve；Pressure release valve opening 2-9 it is provided with in described drainback passage 2-8；Described gripper jaw 5 is made up of three clamping limb 5-1 uniformly arranged around pressing device 2 outer wall, and described clamping limb 5-1 is flexibly connected with pressing device 2 outer wall, and clamping limb 5-1 lower end is provided with fixation hook 5-2；Described fixing post 3 is six prism structures suitable with stub bore.
When dismantling bearing, carrying out installing fixing by fixing post 3 alignment bearings installation axle stub bore, the clamping limb 5-1 of gripper jaw 5 closes up and steps up bearing, and fixation hook 5-2 is fixed on bearing surface, is installed by bearing by bearing by drawing pressing device 2 and disassembles on axle.
When bearing is installed, bearing holder (housing, cover) is contained in bearing and installs on axle, carry out installing by fixing post 3 alignment bearings installation axle stub bore and fix, and make the thrust column 4-2 alignment bearings card of thrust disc 4, hydraulic supply unit 1 supplies high pressure hydraulic oil to pressing device so that thrust disc 4 pushes bearing and completes bearing installment work on bearing installation axle.
The operation principle of hydraulic supply unit 1 is: when depression bar 6-2 is lifted up, piston rod 1-4 is driven to move up along the second ram pot 1-3 chamber, when piston rod 1-4 arrives second ram pot 1-3 the top, continue to move up, thus drive the second ram pot 1-3 to move up along the first ram pot 1-2 chamber, now, the hydraulic oil in liquid storage cylinder 1-5 enters the first ram pot 1-2 chamber by the first oil inlet passage 1-6, then enters the second ram pot 1-3 chamber by the second oil inlet passage 1-7；When depression bar 6-2 presses down on, piston rod 1-4 extrudes the hydraulic oil of the second ram pot 1-3 chamber and makes its supercharging and enter the second ram pot 1-3 chamber by oil discharge passage 1-8, simultaneously, second ram pot 1-3 extrudes the hydraulic oil of the first ram pot 1-2 chamber and pressurizes, and the high pressure hydraulic oil through twice pressurization enters pressing device 2 eventually through pressure oil circuit 2-6.
The operation principle of pressing device 2 is: high pressure hydraulic oil is entered pressure oil cavity 2-5 by pressure oil circuit 2-6 and promotes pushing piston 2-4 to move down, piston sleeve 2-3 moves down along piston guide bar 2-2 thus promotes thrust disc 4 to perform racking, when racking completes, back-moving spring 2-7 resets and promotes piston sleeve 2-3 to move up, high pressure hydraulic oil in pressure oil cavity 2-5 passes back in the liquid storage cylinder 1-5 of pressure feedway 1 by drainback passage 2-8, when the high pressure hydraulic fluid pressure in pressure oil cavity 2-5 is excessive or needs fast pressure relief, open pressure release valve opening 2-9 and carry out release.
The operation principle of strut device 6 is: depression bar 6-2 upper lift or under press through journey, depression bar connects seat 6-1 and shares the power on depression bar 6-2 as the strong point, bearing pin 6-5 moves the power of guarantee depression bar 6-2 applying all the time along piston rod 1-4 direction at the chute of slide block 6-4, this strut device 6 utilizes lever principle, it is possible to significantly save manpower.
Claims (7)
1. a bearing dismounting device, it is characterised in that: include hydraulic supply unit (1), pressing device (2) and attaching/detaching apparatus；Described pressing device includes the first cylinder (2-1), the piston guide bar (2-2) being arranged in the first cylinder (2-1), it is sheathed on piston guide bar (2-2) can be along the piston sleeve (2-3) of this piston guide bar (2-2) movement, described piston sleeve (2-3) upper end is provided with pushing piston (2-4), pressure oil cavity (2-5) is formed between this pushing piston (2-4) and the first cylinder (2-1) inwall, pressure oil cavity (2-5) is communicated in hydraulic supply unit (1) by pressure oil circuit (2-6), described piston guide bar (2-2) shaft is provided with back-moving spring (2-7), it is outside that piston guide bar (2-2) lower end extends to the first cylinder (2-1)；Described attaching/detaching apparatus includes fixing post (3), thrust disc (4) and gripper jaw (5), described fixing post (3) is arranged at piston guide bar (2-2) lower end, described thrust disc (4) is arranged at piston sleeve (2-3) lower end, this thrust disc (4) central authorities are provided with for by the through hole (4-1) of piston guide bar (2-2), under thrust disc (4), card is uniformly placed with thrust column (4-2), and described gripper jaw (5) is arranged at the first cylinder (2-1) bottom.
2. as claimed in claim 1 a kind of bearing dismounting device, it is characterised in that: described hydraulic supply unit (1) includes the second cylinder (1-1), the first ram pot (1-2) of being arranged in the second cylinder (1-1), be arranged at the first ram pot (1-2) chamber in and can be along the second ram pot (1-3) that its chamber moves, the piston rod (1-4) that is arranged in the second ram pot (1-3) chamber；Liquid storage cylinder (1-5) is formed between described second cylinder (1-1) inwall and the first ram pot (1-1), second ram pot (1-3) bottom is provided with piston head (1-9), described liquid storage cylinder (1-5) is connected by pressure oil circuit (2-6) with pressure oil cavity (2-5), connected by the first oil inlet passage (1-6) between liquid storage cylinder (1-5) and the chamber of the first ram pot (1-2), the second oil inlet passage (1-7) and oil discharge passage (1-8) it is provided with between first ram pot (1-2) and the second ram pot (1-3) chamber, described pressure oil circuit (2-6), first oil inlet passage (1-6), it is provided with check valve in second oil inlet passage (1-7) and oil discharge passage (1-8).
3. a kind of bearing dismounting device, it is characterized in that: described hydraulic supply unit (1) top is provided with strut device (6), described strut device (6) includes that the depression bar being fixed on the second cylinder (1-1) top connects seat (6-1), depression bar (6-2), floor (6-3), slide block (6-4) with chute, it is hinged that described depression bar (6-2) one end is connected seat (6-1) by connecting rod with depression bar, described floor (6-3) is fixed on depression bar (6-2) shaft, bearing pin (6-5) it is provided with on this floor (6-3), in described bearing pin (6-5) is installed on the chute of slide block (6-4) and can move along chute, described slide block (6-4) is fixing with piston rod (1-4) to be connected.
4. a kind of bearing dismounting device, it is characterised in that: it is provided with drainback passage (2-8) between described pressure oil cavity (2-5) and hydraulic supply unit (1), in this drainback passage (2-8), is provided with check valve.
5. a kind of bearing dismounting device, it is characterised in that: it is provided with pressure release valve opening (2-9) in described drainback passage (2-8).
6. a kind of bearing dismounting device, it is characterized in that: described gripper jaw (5) is made up of three clamping limbs (5-1) uniformly arranged around pressing device (2) outer wall, described clamping limb (5-1) is flexibly connected with pressing device (2) outer wall, and clamping limb (5-1) lower end is provided with fixation hook (5-2).
7. a kind of bearing dismounting device, it is characterised in that: described fixing post (3) is six prism structures suitable with stub bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620522577.3U CN205765939U (en) | 2016-06-01 | 2016-06-01 | A kind of bearing dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620522577.3U CN205765939U (en) | 2016-06-01 | 2016-06-01 | A kind of bearing dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205765939U true CN205765939U (en) | 2016-12-07 |
Family
ID=58135608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620522577.3U Expired - Fee Related CN205765939U (en) | 2016-06-01 | 2016-06-01 | A kind of bearing dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205765939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834998A (en) * | 2016-06-01 | 2016-08-10 | 金川集团股份有限公司 | Bearing mounting and dismounting device |
-
2016
- 2016-06-01 CN CN201620522577.3U patent/CN205765939U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834998A (en) * | 2016-06-01 | 2016-08-10 | 金川集团股份有限公司 | Bearing mounting and dismounting device |
| CN105834998B (en) * | 2016-06-01 | 2017-12-01 | 金川集团股份有限公司 | A kind of bearing dismounting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |