CN201239870Y - Electric hydraulic screw extractor with improved structure - Google Patents
Electric hydraulic screw extractor with improved structure Download PDFInfo
- Publication number
- CN201239870Y CN201239870Y CNU200820041324XU CN200820041324U CN201239870Y CN 201239870 Y CN201239870 Y CN 201239870Y CN U200820041324X U CNU200820041324X U CN U200820041324XU CN 200820041324 U CN200820041324 U CN 200820041324U CN 201239870 Y CN201239870 Y CN 201239870Y
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- China
- Prior art keywords
- pulling claw
- electric
- oil pump
- clamping cylinder
- cylinder
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to an electric hydraulic puller with an improved structure. The electric hydraulic puller is characterized in that the electric hydraulic puller further comprises a plurality of clamping cylinders supplied with oil by an electric oil pump through a control valve, each pulling claw is connected on a support arm or the machine body through a connecting pin or connecting plate to form a lever mechanism or a connecting rod mechanism, and the rear end of each pulling claw is also connected with the piston rod of a clamping cylinder. The clamping cylinders are supplied with oil under the control of the identical control valve. The adjustment and the compression of the pulling claws are synchronistically controlled through the piston rods of the clamping cylinders by increasing the clamping cylinders adopting the oil pump as the power source and by utilizing a hydraulic system. The entire disassembly process is controlled by the hydraulic system. A single person can absolutely make independent operation, thereby improving the working efficiency, the safety and the reliability.
Description
(1) technical field:
The utility model relates to hydraulic machinery and hydraulic tool technical field, and especially a kind of electric hydaulic that improves structure draws horse.
(2) background technology:
Hydraulic pressure draws horse to claim the hydraulic pressure pulley extractor again, is widely used in the various disks of dismounting, flange, gear, bearing, belt pulley etc.It is to realize that by hydraulic system the quiet pulling force of straight line comes work.In the prior art, electric hydaulic draws horse to be made up of parts such as electric oil pump, dismounting oil cylinder, transverse arm, pulling claw, mechanical gripping means, and described dismounting oil cylinder is by the electric oil pump fuel feeding, and the rear end of described pulling claw is installed in the elongated slot of transverse arm.During work, draw horse to move to the operating position of required dismounting thing electric hydaulic, the center that allows the piston rod centrally aligned of dismounting oil cylinder be unloaded the object axle is adjusted the pulling claw manpower respectively and is held and unloaded object, adjusts mechanical clamping device, and each pulling claw is compressed respectively.Start electric oil pump, oil pump is to dismounting oil cylinder fuel feeding, and pressure oil promotes overhanging the withstanding of piston rod of dismounting oil cylinder and unloaded the axle that thing unloads, and is used for piston and constantly advances, and makes pulling claw carrying reaction force, is gently unloaded thereby will unload thing.
The deficiencies in the prior art part is, must pulling claw be drawn back, compress, draw in manpower during operation, and pulling claw can only one one ground adjust, governing speed is slow during operation, wastes time and energy.Simultaneously, because there is certain defective in mechanical compaction, have from being unloaded the phenomenon of slippage on the thing, poor safety performance when drawing when unloading pulling claw.
(3) summary of the invention:
The utility model aims to provide a kind of electric hydaulic easy to adjust, improvement structure that security performance is good and draws horse.
Technical solution of the present utility model is as follows:
A kind of electric hydaulic that improves structure draws horse, comprise electric oil pump, dismounting oil cylinder, support arm, a plurality of pulling claw, described dismounting oil cylinder is by the electric oil pump fuel feeding, it is characterized in that: it also comprises a plurality of by the clamping cylinder of electric oil pump by the control valve fuel feeding, each is connected the rear end of described each pulling claw with the piston rod of a clamping cylinder, each pulling claw also is connected on support arm or the body by a connecting pin or a connecting plate at least, to form a leverage or linkage.
Further technical scheme is:
Described each clamping cylinder is by same control valve control fuel feeding.
The utility model is the clamping cylinder of power source with the oil pump by increasing a plurality of, utilize the adjusting of the piston rod control pulling claw of hydraulic system by clamping cylinder and compress, change former dolly La Mala pawl and support arm, the structural shape that cooperates, adopt clamping cylinder to withstand the afterbody of pulling claw, the pulling claw middle part is a fulcrum, is connected with support arm with the connecting plate connecting pin.The pull hook position of drawing horse is an impetus.When the clamping cylinder of pulling claw afterbody moved, pulling claw was finished and is done the action of opening, draw in, compressing.Each clamping cylinder adopts same control valve control fuel feeding, guarantees that the oil cylinder of each pulling claw afterbody moves simultaneously, and pulling claw is just done the action of opening, draw in, compressing simultaneously.During work, after drawing horse to be pushed into the operating position of required dismounting thing, utilize hoist cylinder will dismantle the center of piston rod center to firmly being unloaded the object axle of oil cylinder, make the pulling claw clamping cylinder synchronously pulling claw be opened, draws in, compress and unloaded thing again.Start the dismounting oil cylinder, the oil cylinder piston bar is pushed ahead under the fluid power effect, because pulling claw is held tightly and unloaded thing under reaction force, gently will be unloaded thing such as bearing, belt pulley, gear etc. and disassemble from axle.
The utility model has solved original technology by adjusting the action of tightening up of each pulling claw manually, takes people's effort during working expenditure, unhandy problem.The whole unloading process of the utility model all is to be controlled by hydraulic system.Can realize electronic control, but the complete independent operation of people operating efficiency and security reliability have been improved.
(4) description of drawings:
Below with reference to drawings and Examples the utility model is described in further details:
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is the A-A figure of Fig. 1.
Accompanying drawing 3 is the schematic diagram of pulling claw part among the utility model embodiment.
Accompanying drawing 4 is the hydraulic schematic diagram of the utility model embodiment
Each sequence number is respectively in the accompanying drawing:
1, dolly; 2, hoist cylinder; 3, dismounting oil cylinder; 4, lifting sprocket wheel; 5, support arm; 6, oil pump; 7, pulling claw; 8, connecting pin; 9, connecting plate; 10, clamping cylinder; 11, electrical control cubicles; 25, alignment pin
12, fuel tank; 13, filter; 14, plunger displacement pump; 15, motor; 16, overflow valve; 17, Pressure gauge; 18, stack bidirectional throttling valve; 19, solenoid directional control valve; 20, clamping cylinder; 21, dismounting oil cylinder; 22, stack hydraulic control one-way valve; 23, elevating ram; 24, roller chain
(5) specific embodiment:
Referring to accompanying drawing, the utility model embodiment is an electrichydraulic control Che Shilama, it is by dolly 1, the electric oil pump 6, hoist cylinder 2, dismounting oil cylinder 3, lifting sprocket wheel 4, roller chain 24, support arm 5, pulling claw 7, connecting pin 8, connecting plate 9, clamping cylinder 10, the electrical control cubicles 11 that are installed on the dolly are formed, and described hoist cylinder 2, dismounting oil cylinder 3, clamping cylinder 10 are by electric oil pump 6 fuel feeding.
Each connecting plate 9 one end is connected in the middle part of pulling claw 7 by connecting pin 8, the other end of connecting plate 9 is connected on the support arm 5 by alignment pin 25, also each is connected with the piston rod of a clamping cylinder 10 in the rear end of each pulling claw, thereby connecting plate 9, pulling claw 7, clamping cylinder 10, pulling claw support arm 5 forms a linkage.When the piston rod of the clamping cylinder 10 of pulling claw 7 afterbodys was done the withdrawal action, pulling claw was finished and is opened action, did when stretching out action when the piston rod of clamping cylinder 10, and pulling claw is finished gathering, compressed action.
Each clamping cylinder 10 is by same stack bidirectional throttling valve 18 control fuel feeding.The oil cylinder that guarantees each pulling claw afterbody moves simultaneously, and pulling claw is just done the action of opening, draw in, compressing simultaneously.
During work, after drawing horse to be pushed into the operating position of required dismounting thing the dolly, utilize hoist cylinder 2 will dismantle the center of piston rod center to firmly being unloaded the object axle of oil cylinder 3, make clamping cylinder 10 synchronous workings again, clamping cylinder withstands the afterbody of pulling claw, and each pulling claw opens simultaneously, draws in, compresses and unloaded thing.Start dismounting oil cylinder 3, dismounting oil cylinder 3 piston rods are pushed ahead under the fluid power effect, because pulling claw 7 is held tightly and unloaded thing, gently will be unloaded thing and disassemble from axle.
Certainly, under inventive concept of the present utility model, the utility model has multiple form of implementation, as being designed to four-jaw type, three-pawl type, two pawl formulas according to client's different purposes and requirement, structural shape is various, and for example, when the connecting plate fixed-site, just form a leverage.More than these, to those skilled in the art, read and need not pay creative work behind this specification and can reveal again, just do not described in detail at this.Adopt the above-mentioned replacement scheme that is equal to fall into protection domain of the present utility model certainly.
Claims (2)
1, a kind of electric hydaulic that improves structure draws horse, comprise electric oil pump, dismounting oil cylinder, support arm, a plurality of pulling claw, described dismounting oil cylinder is by the electric oil pump fuel feeding, it is characterized in that: it also comprises a plurality of by the clamping cylinder of electric oil pump by the control valve fuel feeding, each is connected the rear end of described each pulling claw with the piston rod of a clamping cylinder, each pulling claw also is connected on support arm or the body by a connecting pin or a connecting plate at least, to form a leverage or linkage.
2, the electric hydaulic of improvement structure according to claim 1 draws horse, it is characterized in that: described each clamping cylinder is by same control valve control fuel feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041324XU CN201239870Y (en) | 2008-08-07 | 2008-08-07 | Electric hydraulic screw extractor with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041324XU CN201239870Y (en) | 2008-08-07 | 2008-08-07 | Electric hydraulic screw extractor with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201239870Y true CN201239870Y (en) | 2009-05-20 |
Family
ID=40713161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820041324XU Expired - Fee Related CN201239870Y (en) | 2008-08-07 | 2008-08-07 | Electric hydraulic screw extractor with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201239870Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873524A (en) * | 2012-08-23 | 2013-01-16 | 中国人民解放军济南军区军械雷达修理所 | Balance shaft clamping and extracting device |
| CN103659239A (en) * | 2013-12-18 | 2014-03-26 | 盐城工学院 | Synchronous pipe pressing device of car heat radiator core body assembling machine |
| CN104354136A (en) * | 2014-10-31 | 2015-02-18 | 吴中区光福金怡五金配件厂 | Dismounting device of bearing case |
| CN106312515A (en) * | 2016-08-30 | 2017-01-11 | 中冶宝钢技术服务有限公司 | Hydraulic dismounting device for steel ladle trunnion |
| CN109202424A (en) * | 2018-11-30 | 2019-01-15 | 湖北合强机械发展股份有限公司 | Take turns cake bearing unloading device |
| CN115026548A (en) * | 2022-07-04 | 2022-09-09 | 曲阳金隅水泥有限公司 | Full-automatic roller shell dismounting device |
-
2008
- 2008-08-07 CN CNU200820041324XU patent/CN201239870Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873524A (en) * | 2012-08-23 | 2013-01-16 | 中国人民解放军济南军区军械雷达修理所 | Balance shaft clamping and extracting device |
| CN103659239A (en) * | 2013-12-18 | 2014-03-26 | 盐城工学院 | Synchronous pipe pressing device of car heat radiator core body assembling machine |
| CN103659239B (en) * | 2013-12-18 | 2016-02-03 | 盐城工学院 | The synchronous pipe pressing device of a kind of radiator core body for vehicle kludge |
| CN104354136A (en) * | 2014-10-31 | 2015-02-18 | 吴中区光福金怡五金配件厂 | Dismounting device of bearing case |
| CN106312515A (en) * | 2016-08-30 | 2017-01-11 | 中冶宝钢技术服务有限公司 | Hydraulic dismounting device for steel ladle trunnion |
| CN109202424A (en) * | 2018-11-30 | 2019-01-15 | 湖北合强机械发展股份有限公司 | Take turns cake bearing unloading device |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Hailing Hydraulic Machinery Co., Ltd. Assignor: Ding Kefang Contract record no.: 2010320001068 Denomination of utility model: Electric hydraulic screw extractor with improved structure Granted publication date: 20090520 License type: Exclusive License Record date: 20100803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20170807 |