CN101425654A - Charging type hydraulic tool - Google Patents
Charging type hydraulic tool Download PDFInfo
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- CN101425654A CN101425654A CNA2008101622919A CN200810162291A CN101425654A CN 101425654 A CN101425654 A CN 101425654A CN A2008101622919 A CNA2008101622919 A CN A2008101622919A CN 200810162291 A CN200810162291 A CN 200810162291A CN 101425654 A CN101425654 A CN 101425654A
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Abstract
The invention provides a rechargeable hydraulic tool, which belongs to the technical field of machinery. The invention solves the technical problems of more laboursome manual operation and short service life of the prior hydraulic tool. The rechargeable hydraulic tool comprises a main body provided with an oil storage cavity and a liquid storage cavity and a working head arranged at the hydraulic cavity end of the main body and provided with a movable part and a fixed part, a piston rod is arranged in the hydraulic cavity, one end of the piston rod is connected with a piston, the other end of the piston rod is connected with the movable part of the working head, a return spring is sleeved outside the piston rod, an oil inlet channel and an oil return channel which enable the oil storage cavity to be communicated with the hydraulic cavity are arranged in the main body, wherein one-way valves are respectively arranged on the oil inlet and the oil outlet of the oil inlet channel, an electric plunger pump is arranged in the oil inlet channel, and the electric plunger pump is connected with rechargeable battery installed in the main body. The invention has the advantages of simple structure, convenient operation, lower cost, and the like.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of hydraulic tool, particularly a kind of charging type hydraulic tool.
Background technology
Hydraulic tool is widely used in electric power system, cut off with lead and lead, lead and binding post crimping moulding or with lead by it, corresponding to the different application target of hydraulic tool, used head also is divided into two kinds, a kind of head is two pressure heads, and another kind of head is two blades.Wherein head pressure head or blade are fixed, another pressure head or blade be can be movable and be connected with the piston of hydraulic system.Hydraulic system comprises a hydraulic cavities, is positioned at the piston of hydraulic cavities, a shoe cream room.Hydraulic cavities is communicated with by fuel feed hole with shoe cream room, and fuel feed hole is provided with and makes hydraulic oil can only enter the unidirectional valve of hydraulic cavities from shoe cream room, is inserted with one on the fuel feed hole with its sliding pin of blocking, and sliding pin is connected with handle.
By spurring handle manually sliding pin is extracted in fuel feed hole, oil in the shoe cream room just enters from fuel feed hole and promotes the piston slip in the hydraulic cavities, the pressure head or the blade of piston drive activity move, thereby cut off with lead and lead, lead and binding post crimping moulding or with lead.The shortcoming of such hydraulic tool is, adopts manual operations comparatively to require great effort in the process of using, and also might be firmly excessive in operating process, makes hydraulic tool produce infringement, shortens the life-span of hydraulic tool.
Summary of the invention
The objective of the invention is to have above-mentioned problem, a kind of charging type hydraulic tool that can operate automatically is provided at existing hydraulic tool.
Purpose of the present invention can realize by following technical proposal: a kind of charging type hydraulic tool, comprise body with shoe cream room and hydraulic cavities and the working head of being located at body hydraulic cavities end with movable part and fixed part, be provided with piston rod in the described hydraulic cavities, one end of piston rod links to each other with piston, the other end links to each other with the movable part of working head, described piston rod is with back-moving spring outward, in body, be provided with in-line and oil return line that shoe cream room and hydraulic cavities are connected, on the oil-in of in-line and oil-out, be respectively equipped with unidirectional valve, it is characterized in that, be provided with electrical plunger pump in the described in-line, described electrical plunger pump and one are loaded on intrinsic and chargeable battery and link.
The operation principle of this charging type hydraulic tool is such, battery provides electric energy to electrical plunger pump, make electrical plunger pump be able to work, in the process of electrical plunger pump work, produce a pressure to oil circuit, under the effect of pressure, the oil in the shoe cream room is drawn onto in the oil circuit by one of them unidirectional valve, and then the oil in the in-line is pressed onto in the hydraulic cavities by the another one unidirectional valve, oil in the hydraulic cavities promotes piston like this, piston drives piston rod and moves horizontally, and can reset to piston rod by back-moving spring.
At above-mentioned charging type hydraulic tool, described electrical plunger pump comprises the pump housing, plunger rod and motor.
At above-mentioned charging type hydraulic tool, be provided with plunger, return spring, eccentric cam and rotating shaft in the described pump housing, described rotating shaft is located in the eccentric cam and both are connected, one end and the motor of rotating shaft link, one end and the eccentric cam of above-mentioned plunger rod lean, the other end is arranged in the body and extends to an end that is arranged on the plunger in the in-line, and return spring one end acts on the plunger, and the other end is fixed on the body.
The rotation of driven by motor rotating shaft, the rotation of rotating shaft drives eccentric cam then, and eccentric cam is given the downward active force of plunger rod that is in contact with it, and plunger rod drives plunger makes oil circuit produce a pressure, makes the plunger rod return by return spring.
At above-mentioned charging type hydraulic tool, described oil return line is provided with the safety valve that the oily automatic transport in the hydraulic cavities can be returned in the shoe cream room when the pressure in the hydraulic cavities surpasses set point.
At above-mentioned charging type hydraulic tool, described safety valve comprises conical spool, valve rod, spring and a sliding sleeve, described valve rod one end passes body, the other end links with the spool of being located on the oil return line, on valve rod, be arranged with sliding sleeve and this sliding sleeve contacts with spool, above-mentioned spring is placed in outside the valve rod, and an end of spring acts on the valve rod, and the other end acts on the sliding sleeve and makes the sliding sleeve roof pressure on spool.
Pressure in the hydraulic cavities is under normal situation, tapered spool stops up oil return line under the effect of spring force, when the pressure in the hydraulic cavities surpasses set point, oil in the hydraulic cavities is under the effect of pressure, overcome the active force of spring, make the spool that is blocked on the oil return line break away from oil return line, and when spool breaks away from oil return line, increase along with lifting surface area, pressure is also along with increasing the active force that just enough overcomes spring, oil in hydraulic cavities is all carried back in the shoe cream room, and pressure disappears under the effect of spring force subsequently, and spool stops up oil return line again.
At above-mentioned charging type hydraulic tool, be provided with sealing ring one between described plunger rod and the body, between valve rod and body, also be provided with sealing ring two.Strengthen sealing between plunger rod and body, valve rod and the body by sealing ring.
At above-mentioned charging type hydraulic tool, the movable part of described working head is a cutting blade, and cutting blade links to each other with above-mentioned piston rod.
At above-mentioned charging type hydraulic tool, the fixed part of described working head is a ledger-plate, is provided with steady pin between ledger-plate and body.
By steady pin ledger-plate and body are fixed together, piston rod promotes cutting blade, has just finished the process of line ball when cutting blade contacts with ledger-plate.
Compared with prior art, this charging type hydraulic tool has the following advantages:
1, this charging type hydraulic tool is provided with an electrical plunger pump between two unidirectional valves, and is simple in structure, can produce negative pressure to in-line automatically.
2, the electrical plunger pump of this charging type hydraulic tool employing eccentric cam drives the oscilaltion of plunger rod, and is simple in structure, easy to use.
3, the motor of this charging type hydraulic tool adopts battery to be used as power supply, when battery power uses up, can be replenished once more, saves cost.
Description of drawings
Fig. 1 is the structure cutaway view of this charging type hydraulic tool.
Fig. 2 is the partial structurtes cutaway view of this charging type hydraulic tool electrical plunger pump.
Fig. 3 is the structure cutaway view of this charging type hydraulic tool safety valve.
Fig. 4 is the topology view of this charging type hydraulic tool working head.
Among the figure, 1, body; 1a, hydraulic cavities; 1b, shoe cream room; 2, working head; 2a, cutting blade; 2b, ledger-plate; 2c, dynamic head; 2d, level pressure head; 3, piston rod; 4, piston; 5, back-moving spring; 6, in-line; 7, oil return line; 8, unidirectional valve; 9, the pump housing; 10, plunger; 11, plunger rod; 12, return spring; 13, eccentric cam; 14, rotating shaft; 15, spool; 16, valve rod; 17, spring; 18, sliding sleeve; 19, sealing ring one; 20, sealing ring two.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment one:
As Fig. 1, Fig. 2, shown in Figure 3, a kind of charging type hydraulic tool, comprise body 1 with shoe cream room 1b and hydraulic cavities 1a and the working head with movable part and fixed part 2 of being located at body 1 hydraulic cavities 1a end, the movable part of working head 2 is a cutting blade 2a, fixed part is a ledger-plate 2b, links to each other by a steady pin between ledger-plate and the body 1.
In hydraulic cavities 1a, be provided with piston rod 3, one end of piston rod 3 links to each other with piston 4, the other end links to each other with the cutting blade 2a of working head 2, outside piston rod 3, be arranged with back-moving spring 5, in body 1, be provided with in-line 6 and oil return line 7 that shoe cream room 1b and hydraulic cavities 1a are connected, in-line 6 has oil-in and oil-out, on the oil-in of in-line 6 and oil-out, be respectively equipped with unidirectional valve 8, in in-line 6, be provided with the electrical plunger pump that the oil in the shoe cream room 1b can be transported in the hydraulic cavities 1a, electrical plunger pump also with one be loaded in the body 1 and chargeable battery link.
Electrical plunger pump comprises the pump housing 9, plunger 10, plunger rod 11, return spring 12, eccentric cam 13, rotating shaft 14 and motor, rotating shaft 14 is located in the eccentric cam 13 and both are connected, one end and the motor of rotating shaft 14 link, be connected with a chargeable battery on the motor, one end and the eccentric cam 13 of plunger rod 11 lean, the other end is arranged in the body 1 and extends to an end that is arranged on the plunger 10 in the in-line 6, return spring 12 1 ends act on the plunger 10, the other end is fixed on the body 1, is provided with sealing ring 1 between plunger rod 11 and body 1.Strengthen sealing between plunger rod 11 and the body 1 by sealing ring 1.
Be provided with the safety valve that when the pressure in the hydraulic cavities 1a surpasses set point, the oily automatic transport in the hydraulic cavities 1a can be returned in the shoe cream room 1b on the oil return line 7.Safety valve comprises conical spool 15, valve rod 16, spring 17 and a sliding sleeve 18, valve rod 16 1 ends pass body 1, the other end links with the spool of being located on the oil return line 7 15, being arranged with sliding sleeve 18 and this sliding sleeve 18 on valve rod 16 contacts with spool 15, spring 17 is placed in outside the valve rod 16, one end of spring 17 acts on the valve rod 16, and the other end acts on the sliding sleeve 18 and makes sliding sleeve 18 roof pressures on spool 15, also is provided with sealing ring 2 20 between valve rod 16 and body 1.Be used for strengthening between the two sealing and between valve rod 16 and body 1, establish sealing ring 2 20.
The operation principle of this charging type hydraulic tool is such, battery provides electric energy for the rotation of motor, the rotation of driven by motor rotating shaft subsequently 14, the rotation of rotating shaft 14 drives eccentric cam 13, eccentric cam 13 is given 11 1 the downward active forces of plunger rod that are in contact with it, plunger rod 11 drives plunger 10 and moves down, after having moved one section process, at the effect lower plunger 10 of return spring 12 return that moves up, in the process that plunger 10 moves up, oil circuit produces a pressure, under the effect of pressure, the oil in the shoe cream room 1b is drawn onto in the oil circuit by one of them unidirectional valve 8, in the process that plunger 10 descends, produce a pressure again for in-line 6, oil in the in-line 6 is pressed onto in the hydraulic cavities 1a by another one unidirectional valve 8, oil in the hydraulic cavities 1a promotes piston 4 like this, piston 4 drives piston rod 3, owing to link to each other with cutting blade 2a on the piston rod 3, therefore piston rod 3 drive blade 2a move horizontally, when cutting blade 2a contacts with ledger-plate 2b, just finished the process that lead is cut off, and can reset to piston rod 3 by back-moving spring 5.
When the pressure in the hydraulic cavities 1a under normal situation, spring 17 in the safety valve produces a spring force, tapered spool 15 stops up oil return line 7 under the effect of spring force, when the pressure in the hydraulic cavities 1a surpasses set point, oil in the hydraulic cavities 1a is under the effect of pressure, overcome the active force of spring 17, make the spool 15 that is blocked on the oil return line 7 break away from oil return line 7, and when spool 15 breaks away from oil return line 7, along with the increase of lifting surface area, pressure also along with increasing the active force that just enough overcomes spring 17, all carry back in the shoe cream room 1b by the oil in hydraulic cavities 1a, pressure disappears under the effect of spring force subsequently, and spool 15 stops up firmly oil return line 7 again.So just can guarantee the pressure in the hydraulic cavities 1a, make that this hydraulic tool is not easy to damage, increase its useful life.
Embodiment two:
As shown in Figure 4, the content among the embodiment two is roughly identical with embodiment one, and the movable part of different is described working head 2 is a dynamic head 2c, and fixed part is a level pressure 2d, has just finished the process of line ball when two pressure heads contacts.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, body morely; 1a, hydraulic cavities; 1b, shoe cream room; 2, working head; 2a, cutting blade; 2b, ledger-plate; 3, piston rod; 4, piston; 5, back-moving spring; 6, in-line; 7, oil return line; 8, unidirectional valve; 9, sealing ring two; 10, plunger; 11, plunger rod; 12, return spring; 13, eccentric cam; 14, rotating shaft; 15, spool; 16, valve rod; 17, spring; 18, sliding sleeve; 19, the first-class term of sealing ring, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1, a kind of charging type hydraulic tool, comprise the body (1) of have shoe cream room (1b) and hydraulic cavities (1a) and be located at the working head with movable part and fixed part (2) of body (1) hydraulic cavities (1a) end, be provided with piston rod (3) in the described hydraulic cavities (1a), one end of piston rod (3) links to each other with piston (4), the other end links to each other with the movable part of working head (2), the outer back-moving spring (5) that is with of described piston rod (3), in body (1), be provided with in-line (6) and oil return line (7) that shoe cream room (1b) and hydraulic cavities (1a) are connected, on the oil-in of in-line (6) and oil-out, be respectively equipped with unidirectional valve (8), it is characterized in that, described in-line is provided with electrical plunger pump in (6), described electrical plunger pump and one be loaded in the body (1) and chargeable battery link.
2, charging type hydraulic tool according to claim 1 is characterized in that, described electrical plunger pump comprises the pump housing (9), plunger rod (11) and motor.
3, charging type hydraulic tool according to claim 2, it is characterized in that, be provided with plunger (10) in the described pump housing (9), return spring (12), eccentric cam (13) and rotating shaft (14), described rotating shaft (14) is located in the eccentric cam (13) and both are connected, one end and the motor of rotating shaft (14) link, one end of above-mentioned plunger rod (11) and eccentric cam (13) lean, the other end is arranged in the body (1) and extends to an end that is arranged on the plunger (10) in the in-line (6), return spring (12) one ends act on the plunger (10), and the other end is fixed on the body (1).
4, according to claim 1 or 2 or 3 described charging type hydraulic tools, it is characterized in that described oil return line (7) is provided with the safety valve that the oily automatic transport in the hydraulic cavities (1a) can be gone back to shoe cream room (1b) lining when the pressure in the hydraulic cavities (1a) surpasses set point.
5, charging type hydraulic tool according to claim 4, it is characterized in that, described safety valve comprises a conical spool (15), valve rod (16), spring (17) and sliding sleeve (18), described valve rod (16) one ends pass body (1), the other end links with the spool of being located on the oil return line (7) (15), being arranged with sliding sleeve (18) and this sliding sleeve (18) on valve rod (16) contacts with spool (15), above-mentioned spring (17) is placed in outside the valve rod (16), one end of spring (17) acts on the valve rod (16), and the other end acts on the sliding sleeve (18) and makes sliding sleeve (18) roof pressure on spool (15).
6, charging type hydraulic tool according to claim 5 is characterized in that, is provided with sealing ring one (19) between described plunger rod (11) and the body (1), also is provided with sealing ring two (20) between valve rod (16) and body (1).
According to claim 1 or 2 or 3 described charging type hydraulic tools, it is characterized in that 7, the movable part of described working head (2) is a cutting blade (2a), cutting blade (2a) links to each other with above-mentioned piston rod (3).
According to claim 1 or 2 or 3 described charging type hydraulic tools, it is characterized in that 8, the fixed part of described working head (2) is a ledger-plate (2b), between ledger-plate (2b) and body (1), be provided with steady pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101622919A CN101425654A (en) | 2008-11-20 | 2008-11-20 | Charging type hydraulic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101622919A CN101425654A (en) | 2008-11-20 | 2008-11-20 | Charging type hydraulic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101425654A true CN101425654A (en) | 2009-05-06 |
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ID=40616064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101622919A Pending CN101425654A (en) | 2008-11-20 | 2008-11-20 | Charging type hydraulic tool |
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| Country | Link |
|---|---|
| CN (1) | CN101425654A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072124A (en) * | 2012-12-27 | 2013-05-01 | 台州巨力工具有限公司 | Electric hydraulic tool |
| CN103532058A (en) * | 2013-09-30 | 2014-01-22 | 国家电网公司 | Aluminum tube crimping device |
| CN103883725A (en) * | 2014-03-14 | 2014-06-25 | 徐州凯尔农业装备股份有限公司 | Sliding automatic resetting device for sugarcane grasping machine |
| CN106032815A (en) * | 2016-01-25 | 2016-10-19 | 重庆三峡学院 | Cylinder body structure suitable for miniature electro-hydraulic clamp body |
| CN106299954A (en) * | 2016-08-26 | 2017-01-04 | 张振堂 | A kind of Portable electric crimping tong |
| CN106944959A (en) * | 2017-03-10 | 2017-07-14 | 黄建鑫 | A kind of automatic oil return formula hydraulic pressure pressure pipe pincers |
| CN107026379A (en) * | 2017-06-05 | 2017-08-08 | 芜湖侨云友星电气工业有限公司 | A kind of Wiring harness terminal crimping head |
| CN107534276A (en) * | 2015-05-11 | 2018-01-02 | 胡贝尔和茹纳股份公司 | Stripping tool |
| CN109667754A (en) * | 2019-02-03 | 2019-04-23 | 玉环联刚工具有限公司 | Hydraulic pump head |
| CN110854752A (en) * | 2019-11-07 | 2020-02-28 | 中铁电气化局集团北京电气化工程有限公司 | Quick crimping equipment is connected to backpack lithium electricity |
| CN113573857A (en) * | 2019-03-15 | 2021-10-29 | 里塔尔有限责任两合公司 | Clamp for automatic wiring of electrical components of an electrical switching apparatus, corresponding robot and corresponding method |
| CN113649483A (en) * | 2021-07-26 | 2021-11-16 | 浙江飞越机电有限公司 | Multifunctional electric hydraulic pipe fitting machining tool |
| CN115832970A (en) * | 2023-02-23 | 2023-03-21 | 沛县格桑电子有限公司 | Broken recovery unit of cable plastic skin based on peel off in succession |
| CN113573857B (en) * | 2019-03-15 | 2024-05-14 | 里塔尔有限责任两合公司 | Clamp for automatic wiring of electrical components of an electrical switching apparatus, corresponding robot and corresponding method |
-
2008
- 2008-11-20 CN CNA2008101622919A patent/CN101425654A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072124B (en) * | 2012-12-27 | 2015-11-18 | 台州巨力工具有限公司 | A kind of Electric hydraulic tool |
| CN103072124A (en) * | 2012-12-27 | 2013-05-01 | 台州巨力工具有限公司 | Electric hydraulic tool |
| CN103532058A (en) * | 2013-09-30 | 2014-01-22 | 国家电网公司 | Aluminum tube crimping device |
| CN103532058B (en) * | 2013-09-30 | 2018-05-29 | 国家电网公司 | A kind of aluminum pipe compression bonding apparatus |
| CN103883725A (en) * | 2014-03-14 | 2014-06-25 | 徐州凯尔农业装备股份有限公司 | Sliding automatic resetting device for sugarcane grasping machine |
| CN107534276A (en) * | 2015-05-11 | 2018-01-02 | 胡贝尔和茹纳股份公司 | Stripping tool |
| CN106032815A (en) * | 2016-01-25 | 2016-10-19 | 重庆三峡学院 | Cylinder body structure suitable for miniature electro-hydraulic clamp body |
| CN106299954A (en) * | 2016-08-26 | 2017-01-04 | 张振堂 | A kind of Portable electric crimping tong |
| CN106944959A (en) * | 2017-03-10 | 2017-07-14 | 黄建鑫 | A kind of automatic oil return formula hydraulic pressure pressure pipe pincers |
| CN106944959B (en) * | 2017-03-10 | 2024-02-02 | 台州瑞祺工具股份有限公司 | Automatic oil return type hydraulic pipe tongs |
| CN107026379A (en) * | 2017-06-05 | 2017-08-08 | 芜湖侨云友星电气工业有限公司 | A kind of Wiring harness terminal crimping head |
| CN109667754A (en) * | 2019-02-03 | 2019-04-23 | 玉环联刚工具有限公司 | Hydraulic pump head |
| CN113573857A (en) * | 2019-03-15 | 2021-10-29 | 里塔尔有限责任两合公司 | Clamp for automatic wiring of electrical components of an electrical switching apparatus, corresponding robot and corresponding method |
| CN113573857B (en) * | 2019-03-15 | 2024-05-14 | 里塔尔有限责任两合公司 | Clamp for automatic wiring of electrical components of an electrical switching apparatus, corresponding robot and corresponding method |
| CN110854752A (en) * | 2019-11-07 | 2020-02-28 | 中铁电气化局集团北京电气化工程有限公司 | Quick crimping equipment is connected to backpack lithium electricity |
| CN113649483A (en) * | 2021-07-26 | 2021-11-16 | 浙江飞越机电有限公司 | Multifunctional electric hydraulic pipe fitting machining tool |
| CN113649483B (en) * | 2021-07-26 | 2024-04-26 | 浙江飞越机电有限公司 | Multifunctional electric hydraulic pipe fitting processing tool |
| CN115832970A (en) * | 2023-02-23 | 2023-03-21 | 沛县格桑电子有限公司 | Broken recovery unit of cable plastic skin based on peel off in succession |
| CN115832970B (en) * | 2023-02-23 | 2023-05-23 | 山东理工职业学院 | Cable plastic skin crushing and recycling device based on continuous stripping |
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Application publication date: 20090506 |