CN100591484C

CN100591484C - Electro-hydraulic clipper

Info

Publication number: CN100591484C
Application number: CN200810063731A
Authority: CN
Inventors: 夏春林; 林岳华; 周礼; 黄晓峰; 艾金辉
Original assignee: ZHEJIANG CYCON WATER INDUSTRY CO LTD
Current assignee: ZHEJIANG CYCON WATER INDUSTRY CO LTD
Priority date: 2008-07-28
Filing date: 2008-07-28
Publication date: 2010-02-24
Anticipated expiration: 2028-07-28
Also published as: CN101332590A

Abstract

The invention discloses a hand-held electro hydraulic clamping device which is applicable to technique for installing a connection tool of a clamping tube. The electro hydraulic clamping device comprises an electro hydraulic push-rod device and a clamping head arranged at the end part of the electro hydraulic push-rod device; the hand-held electro hydraulic clamping device is characterized in thatthe electro hydraulic push-rod device comprises a motor drive component, a pump component driven by the motor drive component, a push-rod component driven by the pump component, a hydraulic overflowdevice and a housing part partly covering the electro hydraulic push-rod device; the motor drive component comprises a motor with a decelerator arranged at the head part, an eccentric cam fixed on a protuberant rotating shaft of the decelerator and a bearing fixed on the eccentric cam; the bearing is contacted with a plunger of an oil pump in the pump component. The hand-held electro hydraulic clamping device of the invention takes the bearing as a power driving part, which reduces energy consumption and friction energy loss, and has the advantage of high installation efficiency; the hand-heldelectro hydraulic clamping device is also characterized by strong applicability, convenient operation, light structure and facilitating a worker to operate by a single hand.

Description

Electro-hydraulic clipper

Technical field

The present invention relates to a kind of hand electric hydraulic clipper, it is technical to be useful in installation pincers-pressed type pipeline fastening means.

Background technology

In the pipeline mounting means, a kind of pincers-pressed type mounting means is arranged, the pipe box that soon can clamp compressive strain is inserted in tubing connector external diameter, is equipped with at tubing connector internal diameter simultaneously to have pipe inner support and the connecting tube body that is connected effect.By instrument clamper tube cover, make and realize the pipe box distortion fixedlying connected with tubing ground.The pincers press tool mostly adopts the hand-hydraulic clamp device at present, and as the hand-hydraulic pincers of patent announcement CN 2348969Y, hand-hydraulic clamp device power consumption is big, and installation effectiveness is low, and artificial installation strength is big, and weight lays particular stress on inconvenient installer's one-handed performance.

Summary of the invention

The present invention is directed to the defective of above-mentioned existing hydraulic tongs instrument, a kind of electro-hydraulic clipper is provided, this device has improved kinetic energy transferring structure device, improve effective energy consumption, and it is strong to have applicability, easy to operate, the installation effectiveness height, and structure is light and handy, makes things convenient for the characteristics of workman's one-handed performance.

For achieving the above object, the present invention is by the following technical solutions:

A kind of electro-hydraulic clipper, comprise that an electric drive hydraulic thruster device and is located at the binding clip of electric drive hydraulic thruster device end, it is characterized in that the electric drive hydraulic thruster device comprises a motor driven component, one pump assembly by the motor driven component driving, one push-rod assembly by the driving of pump assembly, one hydraulic pressure overflow mechanism, and the housing parts that the electric drive hydraulic thruster device is partly wrapped up; Described motor driven component comprises the retarder-equipped motor of a head, and an eccentric wheel is fixed in the rotating shaft that decelerator protrudes, and is fixed with a bearing on eccentric wheel, and bearing contacts with fuel feed pump plunger in the pump assembly.

Above-mentioned bearing is a needle bearing.

The said pump assembly comprises a cylinder body, and cylinder body one end is connected with the supporting seat of a fixed pliers head, realizes rotatable fixedlying connected by the latch that is installed on the supporting seat with the groove on the cylinder body between supporting seat and the cylinder body.

Above-mentioned groove is a spiral type groove.

Above-mentioned cylinder body adopts aluminum alloy materials.

Above-mentioned supporting seat adopts aluminum alloy materials.

Above-mentioned pump assembly comprises a fuel feed pump plunger, one is enclosed within the guide pin bushing on fuel feed pump plunger top, and one is enclosed within the fuel feed pump plunger bottom, and the plunger spring that contacts with the head inner face of guide pin bushing lower surface and fuel feed pump plunger respectively of end face, one cylinder body, one provides the oil sac of fluid for the pump assembly.

Electro-hydraulic clipper of the present invention adopts chargeable battery to supply with motor, and for improving effective energy consumption, we also redesign the power transferring structure, to increase work efficiency.Not only solved the defective that existing hand-hydraulic clamp device exists in design, and the junction of clipper head has been improved, made binding clip can do the rotation of respective angles, regulated flexibly convenient construction along with the position of clamper tube spare at installation situation.Zhuan Zhi big parts such as cylinder body, supporting seat can adopt material is light, hardness is high aluminium alloy to make in addition, have alleviated the weight of device, make one hand easy manipulation more.

Description of drawings

Fig. 1, schematic perspective view of the present invention;

Fig. 2, part-structure schematic perspective view of the present invention;

Fig. 3, be the structure vertical profile structural representation of Fig. 2;

Fig. 4, be the cross-sectional structural representation of structure of Fig. 2;

Fig. 5, cylinder body of the present invention and supporting seat part vertical profile structural representation;

The perspective view of Fig. 6, cylinder part groove of the present invention.

The specific embodiment

As depicted in figs. 1 and 2, electro-hydraulic clipper of the present invention comprises that an electric drive hydraulic thruster device 1 and is located at the binding clip 9 of piston apparatus 1 end.

Electric drive hydraulic thruster device 1 comprises a motor driven component 2 as shown in Figures 1 to 4, the one pump assembly 3 that has motor driven component 2 to drive, one push-rod assembly 4, one hydraulic pressure overflow mechanisms 5, and a housing parts 6 with electric drive hydraulic thruster device 1 part parcel by 3 drivings of pump assembly.

Above-mentioned motor driven component 2 comprises that a head is equipped with the motor 20 of decelerator 21, one eccentric wheel 22 is fixed in the rotating shaft 23 of decelerator 21 protrusions, on eccentric wheel 22, be fixed with a bearing 24, fuel feed pump plunger 30 contact movements in bearing 24 and the pump assembly 3, to reduce the friction between fuel feed pump plunger 30 and the eccentric wheel 22, reduce invalid energy consumption.Above-mentioned bearing 24 preferably can be a needle bearing, can be the strong bearings of bearing capacity such as roller bearing, taper roll bearing also, also can adopt ball bearing.Head at eccentric wheel 24 has an auxiliary bearing 25.Motor 20 is powered by the fixing chargeable battery 26 in housing parts 6 lower ends, and by the control of 61 realizations of the shift knob on the handle portion 60 that is arranged on shell handle 6 to motor 20.

Above-mentioned pump assembly 3 comprises a fuel feed pump plunger 30, one is enclosed within the guide pin bushing 31 on fuel feed pump plunger 30 tops, one is enclosed within fuel feed pump plunger 30 bottoms, and the plunger spring 33 that end face contacts with head 32 inner faces of guide pin bushing 31 lower surfaces and fuel feed pump plunger 30 respectively, one cylinder body 34, provides the oil sac 35 of fluid etc. for pump assembly 3.When motor driven component 2 operations, fuel feed pump plunger 30 is done motion up and down under the effect of eccentric wheel 24 and plunger spring 33.Fuel feed pump plunger 30 top spaces are first cavitys 36 of a sealing, and one first check valve 37 is arranged between first cavity 36 and oil sac 35, when first cavity, 36 volume-variation, make fluid by first check valve, 37 unidirectional flowing in first cavity 36.Second check valve 39 that one single flow direction, second cavity 38 is arranged between one second cavity, 38, the second cavitys 38 and first cavity 36 is being arranged between push-rod assembly 4 and the cylinder body 34.All in cylinder body 34, for alleviating the weight of electro-hydraulic clipper, the cylinder body 34 preferential aluminum alloy materials that adopt also can be selected steel or cast iron materials for use for described cavity, check valve.

Cylinder body 34 in the pump assembly 3, its left end are connected with the supporting seat 7 of a fixed pliers head 9.As shown in Figure 3, its scheme one is that supporting seat 7 right-hand member inside are provided with internal thread 70, is provided with corresponding external screw thread 340 at the left end of cylinder body 34, be connected, and by latch 71 fixed supporting seats 7.As shown in Figure 5, its scheme two are supporting seats 7 with cylinder body 34 equally by being threaded, the groove 341 that one annular is arranged on external screw thread 340 right sides of cylinder body 34, supporting seat 7 is provided with one or more latches 71, wherein the bottom face of latch 71 does not contact fixing with the groove 341 of cylinder body 34, make supporting seat 7 rotatable being fixed on the cylinder body 34, be fixed on the latch 71 on the supporting seat 7 and be threaded and make supporting seat 7 can not break away from cylinder body 34.Its further groove 341 has the width greater than connecting thread to satisfy supporting seat 7 to rotate a circle.Described groove 341 can be a full annular, also can be the part annular, as the cannelure of 180 degree, with the anglec of rotation of restriction supporting seat 7.Described groove 341 can be one section with the identical spiral type groove of external screw thread 340 spacings, the anglec of rotation can 90 spend to 360 between, as shown in Figure 6, the restriction latch 71 rotational angle.Described supporting seat 7 preferred aluminum alloy materials also can adopt steel or cast iron materials.

Above-mentioned push-rod assembly 4 comprises a push rod 40, is fixed with a base 41 on push rod 40, and base 41 forms second cavity 38 that seals with the cylinder body 34 of pump assembly 3.Have one to be enclosed within on the push rod 40 and a push rod spring 43 that end face indirectly contacts with inner side end 72 and base 41 outer faces 42 at supporting seat 7, formation is to the restoring force of base 41.Left end head at push rod 40 cuts somebody's

hair

44,44 active forces of realizing binding clip 9 of cutting somebody's hair.Described cutting somebody's hair 44 can be rotated with supporting seat 7.

Above-mentioned hydraulic pressure overflow mechanism 5 comprises the sealing overflow oil circuit 52 that a thimble 51, that is with thimble spring 50 is communicated with second cavity 38 and oil sac 35 as shown in Figure 4, and shown thimble 50 is controlled closing and circulating of overflow oil circuits 52.One handle 53 is fixed on thimble 51 tail ends, by acting on the manual control that realizes on the thimble 51 the oil circuit switching.

During operation, in the motor driven component 2, motor 20 is given in chargeable battery 26 power supplies, motor 20 by being installed in its front end decelerator 21 and eccentric wheel 24 output kinetic energies of decelerator 21 front ends, fuel feed pump plunger 30 in the pump assembly 3 moves up and down, make the cavity 36 space size variation of winning, when the space becomes big, first cavity 36 passes through first check valve 37 to oil sac 35 oil suctions, when the space diminishes, first cavity 36 passes through second check valve 39 to oil transportation, make second cavity, 38 spaces increase, promote base 41 in the push-rod assembly 4 that second cavity 38 connects and push rod 40 forward, by 44 effects that realize binding clip 9 of cutting somebody's hair of push rod 40 front ends, the conversion by power makes binding clip 9 have pincers pressure energy power.When push rod 40 is return, only need and will open with the hydraulic pressure overflow mechanism 5 that second cavity 38 links to each other, allow hydraulic oil get back to oil sac 35.

The invention novel structure designs ingeniously, and big parts can adopt the light aluminium alloy manufacturing of material, housing parts 10 adopts engineering plastics such as making such as ABS, nylon, alleviated the weight of electro-hydraulic clipper greatly, and satisfied requirement of strength, meet the construction on one-handed performance lighter.Design in addition by electronic control, and to the power transferring structure, improved effective energy consumption, make electro-hydraulic clipper relatively clamp with hand-hydraulic, operating efficiency is higher, operates easier.Also at the complexity of electro-hydraulic clipper working environment, improved the syndeton of supporting seat 7 in addition, make supporting seat 7 and cut somebody's hair 44 and binding clip 9 can carry out the rotation of angle, strengthened the adaptability of device to working environment.

Claims

1, a kind of electro-hydraulic clipper, comprise that an electric drive hydraulic thruster device (1) and is located at the binding clip (9) of electric drive hydraulic thruster device (1) end, it is characterized in that electric drive hydraulic thruster device (1) comprises a motor driven component (2), one pump assembly (3) by motor driven component (2) driving, one push-rod assembly (4) by pump assembly (3) driving, one hydraulic pressure overflow mechanism (5), and with the housing parts (6) of electric drive hydraulic thruster device (1) part parcel; Described motor driven component (2) comprises that a head is equipped with the motor of decelerator (21) (20), one eccentric wheel (22) is fixed in the rotating shaft (23) of decelerator (21) protrusion, be fixed with a bearing (24) on eccentric wheel (22), bearing (24) contacts with fuel feed pump plunger (30) in the pump assembly (3).

2, a kind of electro-hydraulic clipper as claimed in claim 1 is characterized in that: described bearing (24) is a needle bearing.

3, a kind of electro-hydraulic clipper as claimed in claim 1 or 2, it is characterized in that: described pump assembly (3) comprises a cylinder body (34), cylinder body (34) one ends are connected with the supporting seat (7) of a fixed pliers head (9), realize rotatable fixedlying connected by the latch (71) that is installed on the supporting seat (7) with the groove (341) on the cylinder body (34) between supporting seat (7) and the cylinder body (34).

4, a kind of electro-hydraulic clipper as claimed in claim 3 is characterized in that: described groove (341) is a spiral type groove.

5, a kind of electro-hydraulic clipper as claimed in claim 3 is characterized in that: described cylinder body (34) adopts aluminum alloy materials.

6, a kind of electro-hydraulic clipper as claimed in claim 3 is characterized in that: described supporting seat (7) adopts aluminum alloy materials.

7, a kind of electro-hydraulic clipper as claimed in claim 1 or 2, it is characterized in that: described pump assembly (3) comprises a fuel feed pump plunger (30), one is enclosed within the guide pin bushing (31) on fuel feed pump plunger (30) top, one is enclosed within fuel feed pump plunger (30) bottom, and the plunger spring (33) that end face contacts with head (32) inner face of guide pin bushing (31) lower surface and fuel feed pump plunger (30) respectively, one cylinder body (34), one is the oil sac (35) that pump assembly (3) provides fluid.