CN208358699U - A kind of vehicular chela can rotate integrally pulley extractor - Google Patents
A kind of vehicular chela can rotate integrally pulley extractor Download PDFInfo
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- CN208358699U CN208358699U CN201820974333.8U CN201820974333U CN208358699U CN 208358699 U CN208358699 U CN 208358699U CN 201820974333 U CN201820974333 U CN 201820974333U CN 208358699 U CN208358699 U CN 208358699U
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- Prior art keywords
- chela
- master cylinder
- vehicular
- rotate integrally
- pulley extractor
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- 241000040710 Chela Species 0.000 title claims abstract description 73
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000005520 electrodynamics Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000014759 maintenance of location Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a kind of vehicular chelas can rotate integrally pulley extractor, including pedestal, height regulating mechanism, hydraulic operation panel, electrodynamic pump are connected on the pedestal, the height regulating mechanism includes portal support and the height adjustment cylinders for adjusting portal support height;Telescopic oil cylinder, master cylinder, chela rotating mechanism and a pair of of chela are installed on the portal support, the cylinder body of the piston rod connection master cylinder of telescopic oil cylinder, and master cylinder is located at the centre of chela rotating mechanism, chela rotating mechanism drives a pair of of chela synchronous rotary;The electrodynamic pump is connected by hydraulic line with hydraulic operation panel;The hydraulic operation panel is connected with height adjustment cylinders, master cylinder and telescopic oil cylinder respectively by hydraulic line.The chela of the utility model can rotate integrally, and system high-axiality has alignment function, and height easily adjustment, the flexibility ratio and high reliablity of operation have the very strong market competitiveness.
Description
Technical field
The utility model relates to a kind of axial workpiece repair demolition devices of interference fit on large-scale component, especially relate to
And a kind of vehicular chela can integrally rotated pulley extractor.
Background technique
In the large scale equipments maintenance process such as pumping unit of oil gas field, the deceleration on the large scale equipments such as pumping unit is frequently encountered
The dismantlement work of the isometric class interference fit component of case crank, belt pulley, brake disc, since the application of pulley extractor not only reduces dimension
The time is repaired, many people labours are also saved.Existing pulley extractor, drawbench, multijaw draw horse to lead in large-scale component drawing etc.
Domain is widely used.Currently, traditional drawbench be mostly lean on it is manual, mechanical or it is hydraulic power is provided, but existing product
There is a series of problem in use, to sum up mainly there is the following:
1, two chelas entirety difficult to realize rotates simultaneously, can not realize two pawls and horizontal plane in 0-90 degree angular region very well
It is adjustable and can keep, so that drawing job requirements when not being able to satisfy two reaction forces at an angle;
It 2, can not preferable automatic centering;Often there is center position inaccurate in existing pulley extractor, leads to each pincers
Pawl discontinuity, damages pulley extractor or workpiece.
3, master cylinder centre-height adjustment mechanism design existing defects cause minimum drawing height higher, are unable to satisfy low
Body height drawing job requirements.
Utility model content
Purpose of utility model: the utility model proposes a kind of vehicular chela can rotate integrally pulley extractor, can along X,
Y, tri- axis of Z moves along a straight line, and can also rotate around three axis, can be realized any adjustment of three-dimensional space position in scope of design;This is
Uniting, compact-sized, operating efficiency is high, Adjustment precision is high, safe and reliable, to solve problems of the prior art.
Utility model content: a kind of vehicular chela can rotate integrally pulley extractor, and a pair of of chela thereon can synchronous rotary;
Including pedestal, height regulating mechanism, hydraulic operation panel, electrodynamic pump, the height regulating mechanism packet are connected on the pedestal
Include portal support and the height adjustment cylinders for adjusting portal support height;Be equipped on the portal support telescopic oil cylinder,
Master cylinder, chela rotating mechanism and a pair of of chela, the cylinder body of the piston rod connection master cylinder of telescopic oil cylinder, and master cylinder is located at pincers
The centre of pawl rotating mechanism, chela rotating mechanism drive a pair of of chela synchronous rotary;The electrodynamic pump passes through hydraulic line
It is connected with hydraulic operation panel;The hydraulic operation panel by hydraulic line respectively with height adjustment cylinders, master cylinder and stretch
Contracting oil cylinder is connected.
Preferably, the portal support, height adjustment cylinders are connect by hinge with pedestal, and height adjustment cylinders
One end is connected by a hinge at the middle part of portal support.
Preferably, the hydraulic operation panel is equipped with reversal valve knob and throttle valve knob;The reversal valve rotation
Button and throttle valve knob can pass through the movement of reversal valve and throttle valve control master cylinder, telescopic oil cylinder and height adjustment cylinders.
Preferably, the electrodynamic pump includes motor, hydraulic pump and remote-control handle, motor is located at hydraulic pump top and integrated
Connection;The hydraulic pump is connect by hydraulic line with master cylinder, height adjustment cylinders and telescopic oil cylinder;The motor is connected with
Remote-control handle.
Preferably, the range of the chela rotation is 90 °.
Preferably, the chela rotating mechanism includes chela rotating mechanism pedestal, master cylinder retention mechanism, rotary shaft
It holds, the swivel bearing is located at chela rotating mechanism centre, and by master cylinder retention mechanism and chela rotating mechanism pedestal
It is connected and fixed, the cylinder body of the master cylinder retention mechanism connection master cylinder.
Further, the tail portion of chela rotating mechanism pedestal is additionally provided with locking device.
Further, the chela front end is provided with pawl head, tail portion is hinged through the hinge to master cylinder retention mechanism outer wall, institute
It states and is equipped with transmission item inside chela, transmission one end connection pawl head, the other end are connected by a hinge a link mechanism.
Further, the link mechanism is connected to master cylinder retention mechanism.
Preferably, the base bottom is equipped with idler wheel, side is equipped with knob.
Compared to the prior art, the utility model has the beneficial effects that: the structure design of the utility model is reasonable, structure is steady
It is fixed, it is easy to operate.Perfect dedicated hydraulic system, comprehensively considers the demand of hydraulic wheel puller function, hydraulic principle is succinct,
Effectively;Unique chela rotational structure can make two chela of drawbench whole while rotate, and make two pawls and horizontal plane in 0-90 degree
It is adjustable and can keep in angular region including parallel or vertical, two hair force positions can be met very well horizontal by difference
Drawing demand when angle;Master cylinder adjustment height, door type structure is stable and meets more low clearance drawing job requirements, passes through height
It adjusts oil cylinder and realizes that height adjusts, realize that the movement of master cylinder, telescopic oil cylinder and height adjustment cylinders interlocks by hydraulic system,
Guarantee the stabilization of structure.The chela of the utility model can rotate integrally, and system high-axiality has alignment function, and height is easily adjusted
Whole, the flexibility ratio and high reliablity of operation have the very strong market competitiveness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at one visual angle of the utility model, and Fig. 2 is that the structure at another visual angle of the utility model is shown
It is intended to, Fig. 3 is HYDRAULIC CONTROL SYSTEM schematic diagram in the utility model.
Wherein: 1- pedestal, 11- idler wheel, 12- knob, 2- height regulating mechanism, 21- height adjustment cylinders, 22- gate-type branch
Frame, 3- hydraulic operation panel, 31- reversal valve knob, 32- throttle valve knob, 4- electrodynamic pump, 5- master cylinder, 6- telescopic oil cylinder, 7-
Link mechanism, 8- chela rotating mechanism, 80- chela, 81- are driven item, 82- pawl head, 83- swivel bearing, 84- master cylinder fastening machine
Structure, 85- chela rotating mechanism pedestal, 86- locking device.
Specific embodiment
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, letter will be made to embodiment below
Single introduction.
Such as Fig. 1 ~ 2, a kind of vehicular chela can rotate integrally pulley extractor, including pedestal 1, and 1 bottom of pedestal is equipped with
The idler wheel 11 of Cowhells rubber material, side are equipped with knob 12, are connected with height regulating mechanism 2, hydraulic operation on the pedestal 1
Panel 3, electrodynamic pump 4, the height regulating mechanism 2 include portal support 22 and the height tune for adjusting 22 height of portal support
Whole oil cylinder 21;Telescopic oil cylinder 6, master cylinder 5, chela rotating mechanism 8, the work of telescopic oil cylinder 6 are installed on the portal support 22
Stopper rod connects the cylinder body of master cylinder 5, and master cylinder 5 is located at the centre of chela rotating mechanism 8, and chela rotating mechanism 8 drives
A pair of of 80 synchronous rotary of chela, the range that the chela 80 rotates be, adjustable and can keep within the scope of 0-90 ° with horizontal plane,
Including parallel or vertical, drawing demand when meeting two hair force positions horizontal by different angle;The portal support
22, height adjustment cylinders 21 are connect by hinge with pedestal 1, and one end of height adjustment cylinders 21 is connected by a hinge in gate-type
The middle part of bracket 22;
The chela rotating mechanism 8 further includes chela rotating mechanism pedestal 85, master cylinder retention mechanism 84, swivel bearing
83, the swivel bearing 83 is located at 8 centre of chela rotating mechanism, and by master cylinder retention mechanism 84 and chela rotating mechanism
Pedestal 85 is connected and fixed, and the master cylinder retention mechanism 84 connects the cylinder body of master cylinder 5;The tail portion of chela rotating mechanism pedestal 85
It is additionally provided with locking device 86;80 front end of chela is provided with pawl head 82, tail portion is hinged through the hinge to master cylinder fastening machine
84 outer wall of structure, transmission item 81 is equipped with inside the chela 80, and transmission 81 one end of item connection pawl head 82, the other end are connected by a hinge
One link mechanism 7, the link mechanism 7 are connected to master cylinder retention mechanism 84, are acted and are transmitted by connecting rod, realize pawl head 82
Independent telescope and the movement for not influencing master cylinder 5;
The electrodynamic pump 4 is connected by hydraulic line with hydraulic operation panel 3, and the electrodynamic pump 4 includes motor, hydraulic pump
And remote-control handle, motor are located at hydraulic pump top and integrally connected, are provided with reversal valve on hydraulic pump, the hydraulic pump passes through liquid
Pressure pipeline is connect with master cylinder 5, height adjustment cylinders 21 and telescopic oil cylinder 6, and the motor is connected with remote-control handle;It is described hydraulic
Operation panel 3 is connected with height adjustment cylinders 21, master cylinder 5 and telescopic oil cylinder 6 respectively by hydraulic line;
The hydraulic operation panel 3 is equipped with reversal valve knob 31 and throttle valve knob 32;The reversal valve knob 31
The dynamic of reversal valve and throttle valve control master cylinder 5, telescopic oil cylinder 6 and height adjustment cylinders 21 can be passed through with throttle valve knob 32
Make;
Master cylinder 5, telescopic oil cylinder 6 and the height adjustment cylinders 21 can be acted by hydraulic system realization and be interlocked.
The hydraulic system of the utility model, control principle is as shown in figure 3, each component and control unit are described as follows:
1) VC20(1): 3-position 4-way hand-operated direction valve, control telescopic oil cylinder 6 stretch (VC4 is needed to cooperate);
2) VC20(2): 3-position 4-way hand-operated direction valve, control master cylinder 5 stretch (VC4 is needed to cooperate);
3) VC4: 3-position 4-way hand-operated direction valve, control height adjustment cylinders 21 flexible (needing throttle valve V82(1) are matched
It closes);
4) V82(1): throttle valve adjusts 21 stretching speed of height adjustment cylinders and ends its oil circuit (VC4 is needed to cooperate);
5) V82(2): throttle valve adjusts 6 stretching speed of telescopic oil cylinder and ends the cooperation of its oil circuit (needing VC20(1));
6) V66: one-way throttle valve is adjusted 21 retraction speed of height adjustment cylinders (VC4 is needed to cooperate);
7) V152(1): overflow valve adjusts the retraction operating pressure of telescopic oil cylinder 6;
8) V152(2): overflow valve adjusts telescopic oil cylinder 6 and stretches out operating pressure;
8) ZE3: efficient double-stage hydraulic pump can be provided for system with certain pressure, flow and the hydraulic oil in direction, pressure
Power is set as 700bar, and overflow valve on the right side of ZE3, sets pressure as 55bar in figure;
9) VM33: control ZE3 is pumped to system fuel feeding or off-load.
A kind of vehicular chela as shown in Fig. 1 ~ 3 can integrally rotated pulley extractor, the working method of hydraulic system are as follows:
1) electric motor starting: pressing remote-control handle button, adjusts VM33 handle, carries out the setting of ZE3 pump pressure;
2) pulley extractor height adjusts: adjusting VC4, V82 and VM33 valve, presses remote-control handle start button, pulley extractor starts
Rise;After desired location reaches, remote-control handle button is pressed again, and VC4 and V82 is resetted;
3) the flexible adjustment of pulley extractor chela (8): VC4 and VC20(1 is adjusted) valve, press remote-control handle start button, chela
Start to stretch out;Reach expected away from rear, VC4 and VC20(1) is resetted;Again by adjusting VC4 and VC20(1) valve, it presses distant
Handle start button is controlled, chela starts to bounce back, and it is pre- next, VC4 and VC20(1) is resetted;
4) the flexible adjustment of master cylinder (5): VC4 and VC20(2 is adjusted) valve, press remote-control handle start button, master cylinder (5)
Start stretch out complete pull out wheel work, after press remote-control handle button, by VC4 and VC20(2) reset;
5) pulley extractor resets: after, master cylinder (5) and telescopic oil cylinder (6) are fully retracted;Height adjustment cylinders (21)
Drop to extreme lower position;And check that operation panel (3) and the valve of ZE3 pump are in original state.
Above embodiments are only to illustrate the optimal technical scheme of the utility model, it is noted that for the art
Those of ordinary skill for, without departing from the principle of this utility model, several improvement made or equivalent replacement,
It is accordingly to be regarded as the protection scope of the utility model, should be covered in the scope of the claims of the utility model.
Claims (10)
1. a kind of vehicular chela can rotate integrally pulley extractor, which is characterized in that a pair of of chela thereon can synchronous rotary;Including
Pedestal is connected with height regulating mechanism, hydraulic operation panel, electrodynamic pump on the pedestal, and the height regulating mechanism includes door
Formula bracket and height adjustment cylinders for adjusting portal support height;Telescopic oil cylinder, main oil are installed on the portal support
Cylinder, chela rotating mechanism and a pair of of chela, the cylinder body of the piston rod connection master cylinder of telescopic oil cylinder, and master cylinder is located at chela rotation
The centre of rotation mechanism, chela rotating mechanism drive a pair of of chela synchronous rotary;The electrodynamic pump passes through hydraulic line and liquid
Press operation panel is connected;The hydraulic operation panel by hydraulic line respectively with height adjustment cylinders, master cylinder and flexible oil
Cylinder is connected.
2. a kind of vehicular chela according to claim 1 can rotate integrally pulley extractor, which is characterized in that the gate-type branch
Frame, height adjustment cylinders are connect by hinge with pedestal, and one end of height adjustment cylinders is connected by a hinge in portal support
Middle part.
3. a kind of vehicular chela according to claim 1 can rotate integrally pulley extractor, which is characterized in that described is hydraulic
Operation panel is equipped with reversal valve knob and throttle valve knob;The reversal valve knob and throttle valve knob can by reversal valve and
The movement of throttle valve control master cylinder, telescopic oil cylinder and height adjustment cylinders.
4. a kind of vehicular chela according to claim 1 can rotate integrally pulley extractor, which is characterized in that the electrodynamic pump
Including motor, hydraulic pump and remote-control handle, motor is located at hydraulic pump top and integrally connected;The hydraulic pump passes through hydraulic line
It is connect with master cylinder, height adjustment cylinders and telescopic oil cylinder;The motor is connected with remote-control handle.
5. a kind of vehicular chela according to claim 1 can rotate integrally pulley extractor, which is characterized in that the chela rotation
The range turned is 90 °.
6. a kind of vehicular chela according to claim 1 can rotate integrally pulley extractor, which is characterized in that the chela rotation
Rotation mechanism includes chela rotating mechanism pedestal, master cylinder retention mechanism, swivel bearing, and the swivel bearing is located at chela whirler
Structure centre, and master cylinder retention mechanism and chela rotating mechanism pedestal are connected and fixed, the master cylinder retention mechanism connects
Connect the cylinder body of master cylinder.
7. a kind of vehicular chela according to claim 6 can rotate integrally pulley extractor, which is characterized in that chela whirler
The tail portion of structure pedestal is additionally provided with locking device.
8. a kind of vehicular chela according to claim 6 can rotate integrally pulley extractor, which is characterized in that before the chela
End is provided with pawl head, tail portion is hinged through the hinge to master cylinder retention mechanism outer wall, and transmission item, transmission are equipped with inside the chela
One end connection pawl head, the other end are connected by a hinge a link mechanism.
9. a kind of vehicular chela according to claim 8 can rotate integrally pulley extractor, which is characterized in that the connecting rod machine
Structure is connected to master cylinder retention mechanism.
10. a kind of vehicular chela according to claim 1 can rotate integrally pulley extractor, which is characterized in that the pedestal
Bottom is equipped with idler wheel, side is equipped with knob.
Priority Applications (1)
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CN201820974333.8U CN208358699U (en) | 2018-06-25 | 2018-06-25 | A kind of vehicular chela can rotate integrally pulley extractor |
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CN201820974333.8U CN208358699U (en) | 2018-06-25 | 2018-06-25 | A kind of vehicular chela can rotate integrally pulley extractor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112372573A (en) * | 2020-11-02 | 2021-02-19 | 湖南安福粉末冶金有限公司 | Diesel engine cylinder head valve disk seat extracting tool |
CN115026548A (en) * | 2022-07-04 | 2022-09-09 | 曲阳金隅水泥有限公司 | Full-automatic roller shell dismounting device |
US20230390913A1 (en) * | 2022-06-06 | 2023-12-07 | Enerpac Tool Group Corp. | Hydraulic tools |
-
2018
- 2018-06-25 CN CN201820974333.8U patent/CN208358699U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112372573A (en) * | 2020-11-02 | 2021-02-19 | 湖南安福粉末冶金有限公司 | Diesel engine cylinder head valve disk seat extracting tool |
US20230390913A1 (en) * | 2022-06-06 | 2023-12-07 | Enerpac Tool Group Corp. | Hydraulic tools |
CN115026548A (en) * | 2022-07-04 | 2022-09-09 | 曲阳金隅水泥有限公司 | Full-automatic roller shell dismounting device |
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