CN208712741U - A kind of hydraulic electric wiring clip - Google Patents

Abstract

The utility model discloses a kind of hydraulic electric wiring clips, a kind of hydraulic electric wiring clip, including binding clip, the first shear body and the second shear body are provided in binding clip, first shear body and the second shear body are hinged by clamping screw, and one end that the first shear body protrudes into binding clip is hinged with first connecting rod, and the second shear body, which protrudes into, is hinged with second connecting rod in binding clip, binding clip is connected with shell, and two straight pins for penetrating first connecting rod and the second connecting rod are provided in shell；Sliding is provided with guide holder in shell；The oil outlet of hydraulic cavities connects the oil cylinder of cylinder component by delivery valve, offers the pressure relief device for being connected to oil suction chamber and oil bag on oil cylinder and the pump housing；The front end of oil cylinder offers plunger shaft along central axis direction, and piston component is provided in plunger shaft, and piston component is connected with piston rod with guide holder；It is provided with the pump housing in shell, is connected with driving part on the pump housing；Have the advantages that staff is facilitated to operate and slows down work fatigue.

Description

A kind of hydraulic electric wiring clip

Technical field

The utility model relates to steel wire shearing technique field, in particular to a kind of hydraulic electric wiring clip.

Background technique

Nowadays it needs to shear steel wire during road and bridge construction, Patent No. CN201720917407.X's Utility model provides a kind of wiring clip and maintenance unit, comprising: the first shear body, first shear body includes sequentially connected First haircut, the first connector and first handle；Second shear body, second shear body include sequentially connected second haircut, Two connectors and second handle, the second handle are hinged by hinge and the first handle；The first handle and described One or both of second handle is equipped with the headlamp of setting switch, and one in first haircut and second haircut Or two be equipped with hammer body；Connecting plate, first haircut are connect by the connecting plate with second haircut, and described first Haircut and second haircut are configured to optionally be located remotely from each other and lean on by adjusting the first handle and second handle Closely.

But this wiring clip can only staff it is manual, intensity of steel wire is relatively high, if staff works long hours, Arm is easy to ache, and influences the working efficiency of staff, therefore there is certain improve.

Utility model content

The purpose of the utility model is to provide a kind of hydraulic electric wiring clips, have and facilitate staff to operate and slow down The advantages of work fatigue.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of hydraulic electric wiring clip, including binding clip, are provided with the first shear body and the second shear body in binding clip, the first shear body and Second shear body is hinged by clamping screw, and one end that first shear body protrudes into binding clip is hinged with first connecting rod, and described second cuts Body protrudes into and is hinged with second connecting rod in binding clip, and the binding clip is connected with shell, and the first connecting rod and second connecting rod protrude into shell In vivo, two straight pins for penetrating first connecting rod and second connecting rod are provided in the shell；

Sliding is provided with the guide holder for pushing first connecting rod and second connecting rod to rotate, guide holder connection in the shell There is piston component；

Piston component includes oil cylinder, and the front end of oil cylinder offers plunger shaft along central axis direction；

It is provided with the pump housing in the shell, hydraulic cavities are offered on the pump housing, being provided in the hydraulic cavities can be upper and lower The plunger of reciprocating motion, hydraulic cavities are communicated by oil suction chamber with plunger shaft, and the oil inlet end of the oil suction chamber is connected by inlet valve The oil outlet of oil bag, oil suction chamber is connected with plunger shaft, is provided on the pump housing for driving plunger to move back and forth along hydraulic cavities Driving part；

The pressure relief device communicated with oil suction chamber is additionally provided in the pump housing.

Preferably, the both ends of the guide holder offer with straight pin cooperation guide groove, and guide groove always with cylinder Pin abuts.

Preferably, the pressure relief device includes opening up and the pressure release passage on oil cylinder and the pump housing, the pressure release passage connection Oil suction chamber and oil bag are provided with relief valve plug on pressure release passage, porus excretorius, the pump body inner shaft are offered on relief valve plug To relief valve core is provided with, the relief valve core is connected on porus excretorius by pressure release valve spring；

Pressure release bar is radially installed, pressure release bar outer end is arranged by pressure release bar reset spring in pump housing outer wall in the pump housing On；The pressure release bar inner end is provided with lozenges, and the lozenges setting is pressed in relief valve core end, and by pressure release bar Pressure realizes the axial movement of relief valve core.

Preferably, piston component includes piston rod and piston reset spring, and piston rod is connected with guide holder；The piston rod Plunger shaft is divided into spring housing and hydraulic pressure chamber, the drainback passage of one or more connection oil bag is offered on the cylinder side wall, is returned Oily channel is connected to spring housing.

Preferably, automatic oil return spool, automatic oil return spring and automatic oil return plug are provided in oil suction chamber, it is automatic to return The oil outlet of connection oil bag is offered on oily plug, automatic oil return spool inner end is provided in the axial direction with mounting hole, the mounting hole Inner end wall on offer connection oil cylinder oil inlet channel go out liquid aperture.

Preferably, the driving part includes:

Transmission shaft is set on the pump housing；

Motor, output shaft are connected with one end of transmission shaft, and the motor is fixed on the pump housing by ring flange；

Eccentric is connected with the other end of transmission shaft, and the eccentric is abutted with plunger, and plunger passes through eccentric Realization pumps.

Preferably, the eccentric includes the eccentric bushing being installed on transmission shaft, and eccentric bushing periphery passes through needle roller and guarantor Frame assembly set is held equipped with bearing holder (housing, cover), the bearing holder (housing, cover) periphery is set with limit sleeve, and limit sleeve is connected plunger；It is arranged on the pump housing The position-limit mechanism of restricted limit sleeve side-to-side movement.

Preferably, the front end of the shell is provided with front hook, and the rear end of shell is provided with aft hook.

In conclusion the utility model has the following beneficial effects:

1, it is rotated by motor, pump housing work is driven, while plunger upward and downward is driven by eccentric, to plunger shaft Interior logical oil, driving piston rod travels forward, and guide holder is pushed to move ahead, and the guide groove on guide holder drives straight pin rotation, band Dynamic first connecting rod and second connecting rod rotation, drive the first shear body and the second shear body to rotate towards each other, so that the first shear body and second is cut Body closure；

2, it is provided with automatic oil return component in the oil cylinder of the utility model, when motor stalls, automatic oil return spool It is resetted under the action of automatic oil return spring, hydraulic indoor high pressure liquid pressure oil is directly entered oil bag from oil outlet, fuel-displaced logical Track pitch from short, piston can under the action of piston reset spring Rapid reset, until returning to the reset condition before work, this is practical The design of new type auto oil return component, can make piston Rapid reset, save resetting time, greatly improve work efficiency；

3, the automatic oil return component, piston component, safety valve of the utility model are arranged in oil channel structures, and hydraulic oil can With each component of lubricating contact, reduce piston rod, piston reset spring, safety valve reset spring, automatic oil return spool, from The abrasion of the parts such as dynamic return spring, increases the stability and service life of structure；

4, the utility model reduces energy consumption, reduces wear energy consumption using offset assembly as power-transmitting part, has Have the characteristics that installation effectiveness is high.

Detailed description of the invention

Fig. 1 is the overall structure diagram of embodiment；

Fig. 2 is the cross-sectional view of embodiment；

Fig. 3 is the binding clip part in embodiment；

Fig. 4 is the driving part in embodiment；

Fig. 5 is the cross-sectional view in embodiment；

Fig. 6 is the cross-sectional view of piston component in embodiment, driving assembly；

Fig. 7 is the cross-sectional view of the part A-A in Fig. 6 in embodiment；

Fig. 8 is the cross-sectional view of piston component in embodiment, driving assembly other direction；

Fig. 9 is the enlarged drawing in the portion B in Fig. 8 in embodiment；

Figure 10 is the enlarged drawing in the portion C in Fig. 2 in embodiment.

In figure, 1, shell；2, binding clip；31, the first shear body；32, the second shear body；41, first connecting rod；42, second connecting rod；5, Straight pin；6, guide holder；61, guide groove；7, the pump housing；8, oil bag；9, transmission shaft；10, plunger；11, oil cylinder；12, piston component； 121, piston；122, piston rod；123, piston reset spring；13, driving part；131, motor；132, eccentric；1321, Eccentric bushing；1322, bearing；133, planetary gear set；14, relief valve plug；15, pressure release valve spring；161, pressure release bar；162, it lets out Compression bar reset spring；163, relief valve core；164, rubber pressure relief press button；17, plunger limit sleeve；18, position-limit mechanism；181, even Fitting；182, guide sleeve；191, front hook；192, aft hook.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of hydraulic electric wiring clip is provided with 31 He of the first shear body in binding clip 2 as shown in figures 1 and 3, including binding clip 2 Second shear body 32, the first shear body 31 and the second shear body 32 are hinged by clamping screw, and first shear body 31 protrudes into the one of binding clip 2 End is hinged with first connecting rod 41, and the second shear body 32, which protrudes into binding clip 2, is hinged with second connecting rod 42, and binding clip 2 is connected with shell 1, the One connecting rod 41 and second connecting rod 42 protrude into shell 1, and two are provided in shell 1 and penetrates first connecting rod and the second connecting rod Straight pin 5.

It is additionally provided with guide holder 6 on shell 1,6 upper surface of guide holder is provided with to be engaged with two 5 one end of straight pin respectively Two guide grooves 61, the lower end of guide holder 6 are again provided with two guide grooves 61 engaged with 5 other end of straight pin.And it is oriented to Slot 61 is abutted with straight pin 5 always.

The front end of shell 1 is provided with front hook 191, and the rear end of shell 1 is provided with aft hook 192.

As shown in Fig. 2, Fig. 6 and Figure 10, the pump housing 7 is provided in shell 1, one of shell 1 far from binding clip 2 is arranged in the pump housing 7 It holds, offers hydraulic cavities on the pump housing 7, the plunger 10 that can be pumped is provided in hydraulic cavities, the oil inlet end of hydraulic cavities is logical Cross inlet valve connection oil bag 8；The oil outlet of hydraulic cavities connects the oil cylinder 11 of 11 component of oil cylinder by delivery valve.

The rear end of oil cylinder 11 radially offers oil suction chamber, be axially movably set in oil suction chamber automatic oil return spool, from Dynamic return spring and the automatic oil return plug for being fixed on oil suction chamber end, automatic oil return plug offer going out for connection oil bag 8 Oilhole；The outer end of automatic oil return spool is provided with seal head, when oil suction chamber continues oil inlet, automatic oil return spool oil inlet end Pressure is greater than the pressure of automatic oil return spool oil outlet, and automatic oil return spool moves outward, passes through the seal head automatic Return spring is sealed on oil outlet, and the hydraulic pressure chamber oil inlet pressurization of the plunger shaft pushes piston 121 and piston rod 122 axial It is mobile.

Automatic oil return spool inner end is provided with spool feed pathway, between automatic oil return spool and automatic oil return plug 11 oil inlet passage of oil cylinder is offered on the side wall of oil suction chamber, the hydraulic cavities pass through 11 oil inlet passage of spool feed pathway and oil cylinder It is connected to plunger shaft.

Spool feed pathway includes the axial mounting hole for being provided with automatic oil return spool inner end, is pacified in mounting hole by circlip Equipped with the first filter screen；Connection 11 oil inlet passage of oil cylinder is offered in the inner end wall of the mounting hole goes out liquid aperture, and liquid is small out The aperture in hole is less than the aperture of delivery valve oil outlet, and in spool feed pathway, when oil inlet quantity is greater than oil pump capacity, oil mass constantly increases Add, pressure is continuously increased, and the seal head of automatic oil return spool can just move out the oil outlet of sealing automatic oil return plug.Sealing The tail portion of head is provided with the radial communication hole for penetrating through out liquid aperture, and spool feed pathway is made to be connected to plunger shaft.

It is provided with valve core seal ring in the outer end wall of automatic oil return spool, increases leakproofness；It is offered in its middle part of sliding channel Annular groove is processed, the side wall of inner end is provided with more than one radial fuel feed hole.

The front end of oil cylinder 11 axially offers plunger shaft, and by 121 plug of piston, piston 121 is stifled for the end of plunger shaft It is provided on head to the aperture of 8 oiling of oil bag, the aperture is sealed by steel ball and plug.Piston component is provided in plunger shaft 12, piston component 12 includes piston 121, piston rod 122 and piston reset spring 123；Piston plunger shaft be divided into spring housing and Hydraulic pressure chamber offers drainback passage of one or more connection oil bag 8 on 11 side wall of oil cylinder, and drainback passage is connected to spring housing, favorably It is resetted in piston 121.

Safety valve installation cavity is offered inside piston 121 and piston rod 122, is provided with safety valve in safety valve installation cavity, The end face of piston 121 offers overflow hole.

Safety valve includes that the safe valve core inside activity setting piston 121 is screwed onto inside piston rod 122 with axial Pressure regulating screw, pressure regulating screw are connected to safe valve core on overflow hole by safety valve spring；Pressure regulating screw is welded with nut, By the rotation of pressure regulating screw, the overflow value of regulation safety valve guarantees the service life of wiring clip.

In the packing stage of wiring clip, safety valve work, 121 stop motion of piston is conducive to the matter for increasing piping connection Amount.

Safety valve oil outlet is offered on safety valve installation cavity side wall, safety valve oil outlet is connected to spring housing.

Lead channel is offered on 11 end face of oil cylinder, several branches are provided in lead channel, and oil cylinder 11 and the pump housing 7 are mutually connected And the lead channel is formed into Y shape feed liquor access, a branch of feed liquor access connects inlet valve；Remaining branch of feed liquor access Port is arranged on the pump housing 7, and is connected to oil bag 8 by the second filter screen.Feed liquor access structure is simple, when plunger 10 each time on When mentioning, be conducive to each oil absorption of hydraulic cavities, guarantee working efficiency.

As shown in Fig. 5-Fig. 9, the manual pressure release passage for being connected to oil suction chamber and oil bag 8, hand are offered on oil cylinder 11 and the pump housing 7 It is provided with relief valve plug 14 on dynamic pressure release passage, porus excretorius, and the relief valve plug 14 are offered on relief valve plug 14 It is arranged on 7 joint face of oil cylinder 11 and the pump housing by rectangular loop；Relief valve core 163, relief valve valve are axially provided in the pump housing 7 Core 163 is connected on porus excretorius by pressure release valve spring 15.

Pressure release bar 161 is radially installed, 161 outer end of pressure release bar is arranged by 161 reset spring 36 of pressure release bar in the pump housing 7 On 7 outer wall of the pump housing, the corresponding position on the shell 1 is provided with rubber pressure relief press button 164.It is arranged in the middle part of pressure release bar 161 limited Position slot, is provided with spacer pin in limiting slot；161 inner end of pressure release bar is provided with lozenges, and lozenges is arranged in relief valve core 163 ends are assigned on slot, and are realized the axial movement of relief valve core 163 by the pressing of pressure release bar 161 and realized oil suction chamber With the pressure release of hydraulic pressure chamber.

Oil bag 8 is sleeved on the outside of the pump housing 7, and 8 one end of oil bag is fixed on 11 outer wall of oil cylinder by the sealing of 11 retainer ring of oil cylinder, 8 other end of oil bag is fixed on the outer wall of flange by the sealing of flange retainer ring.The installation of this oil bag 8 can save the utility model Design space, make structure beauty more compact.

As shown in Figure 4 and Figure 5, it is provided with transmission shaft 9 on the pump housing 7, driving part 13, driving portion are connected on transmission shaft 9 Part 13 includes the planetary gear set 133 and motor 131 that 9 end of transmission shaft is arranged in, and planetary gear set 133 includes being sleeved on transmission Several planetary gears of 9 end of axis, planetary gear are provided centrally with 131 gear of motor being fixed on motor 131；Planet tooth The periphery of wheel is set with rack gear, and gear ring is arranged on motor 131, and motor 131 is fixed on the pump housing 7 by flange.Planetary gear 133 deceleration devices of group can increase the output torque and working efficiency of transmission shaft 9, while energy saving, long using the time.

The end of the pump housing 7 is provided with the flange of installation motor 131, after oil sealing and installation transmission shaft 9 are provided in flange Transmission shaft 9 is held, the salable planetary gear set 133 of oil sealing.

The other end of transmission shaft 9 is arranged with eccentric 132, and eccentric 132 connects the plunger 10, eccentric 132 are movably arranged on the pump housing 7；Plunger 10 is pumped by the rotation realization of transmission shaft 9.

Eccentric 132 includes the eccentric bushing 1321 being installed on transmission shaft 9, and 1321 periphery of eccentric bushing passes through needle roller and guarantor Frame assembly set is held equipped with bearing 1322,1322 periphery of bearing is set with 10 limit sleeve of plunger, and 10 limit sleeve of plunger is connected plunger 10； The position-limit mechanism 18 of restricted 10 limit sleeve side-to-side movement of plunger is set on the pump housing 7.Bearing 1322 rotates one week, about 10 plunger It makes a round trip, when motor 131 does not stall dynamic, plunger 10 pumps always.

As shown in Fig. 6-Fig. 9, limit sleeve mounting groove is offered on the pump housing 7, the limit is provided in limit sleeve mounting groove Mechanism 18, position-limit mechanism 18 include the connector 181 being fixed on the limit sleeve mounting groove two sides pump housing 7 and are sleeved on connector Guide sleeve 182 on 181, guide sleeve 182 are mounted in the limit sleeve mounting groove at left and right sides of 10 limit sleeve of plunger.

Be provided with rotation slot compatible with the bearing 1322 in guide sleeve 182, the distance of the upper and lower side of rotation slot with 1322 diameter of bearing is identical, and there are rotation spaces between the left and right end and bearing 1322 of rotation slot, and bearing 1322 is in rotation slot Rotation, realization plunger 10 and 10 limit sleeve of plunger pump.

10 upper end of plunger, which extends outwardly, is provided with flanging, and flanging is installed in guide sleeve by the abutting of bearing 1322 On 182.Or plunger 10 is directly anchored to 10 limit sleeve of plunger.

Bushing and gasket, the bushing connection eccentric bushing 1321 and rear transmission are provided between eccentric 132 and flange Axis 9 is held, and gasket is sleeved on bushing outside and connects eccentric bushing 1321 and flange.The end face of the salable bearing 1322 of gasket.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as within the protection scope of the present utility model all by the protection of Patent Law.

Claims (8)

1. a kind of hydraulic electric wiring clip, including binding clip (2), binding clip (2) is interior to be provided with the first shear body (31) and the second shear body (32), the first shear body (31) and the second shear body (32) are hinged by clamping screw, it is characterized in that: first shear body (31) protrudes into One end of binding clip (2) is hinged with first connecting rod (41), and second shear body (32) is protruded into binding clip (2) and is hinged with second connecting rod (42), the binding clip (2) is connected with shell (1), and the first connecting rod (41) and second connecting rod (42) protrude into shell (1), Two straight pins (5) for penetrating first connecting rod (41) and second connecting rod (42) are provided in the shell (1)；

Sliding is provided with the guide holder (6) for pushing first connecting rod (41) and second connecting rod (42) to rotate in the shell (1), Guide holder (6) is connected with piston component (12)；

Piston component (12) includes oil cylinder (11), and the front end of oil cylinder (11) offers plunger shaft along central axis direction；

It is provided with the pump housing (7) in the shell (1), offers hydraulic cavities on the pump housing (7), being provided in the hydraulic cavities can The plunger (10) to pump, hydraulic cavities are communicated by oil suction chamber with plunger shaft, the oil inlet end of the oil suction chamber by into Oil valve connects oil bag (8), and the oil outlet of oil suction chamber is connected with plunger shaft, is provided on the pump housing (7) for driving plunger (10) edge Hydraulic cavities move back and forth driving part (13)；

The pressure relief device communicated with oil suction chamber is additionally provided in the pump housing (7).

2. a kind of hydraulic electric wiring clip according to claim 1, it is characterized in that: the both ends of the guide holder (6) open up There is the guide groove (61) with straight pin (5) cooperation, and guide groove (61) is abutted with straight pin (5) always.

3. a kind of hydraulic electric wiring clip according to claim 1, it is characterized in that: the pressure relief device includes opening up and oil Pressure release passage on cylinder (11) and the pump housing (7), the pressure release passage are connected to oil suction chamber and oil bag (8), are provided on pressure release passage Relief valve plug (14) offers porus excretorius on relief valve plug (14), is axially provided with relief valve core in the pump housing (7) (163), the relief valve core (163) is connected on porus excretorius by pressure release valve spring (15)；

It is radially equipped with pressure release bar (161) in the pump housing (7), pressure release bar (161) outer end passes through pressure release bar (161) reset spring It is arranged on the pump housing (7) outer wall；Pressure release bar (161) inner end is provided with lozenges, and the lozenges is arranged in relief valve Spool (163) end, and pass through the axial movement of pressure release bar (161) pressing realization relief valve core (163).

4. a kind of hydraulic electric wiring clip according to claim 1, it is characterized in that: piston component (12) includes piston rod (122) it is connected with piston reset spring (123), piston rod (122) with guide holder (6)；The piston rod (122) is plunger shaft point At spring housing and hydraulic pressure chamber, the drainback passage of one or more connection oil bag (8) is offered on oil cylinder (11) side wall, oil return is logical Road is connected to spring housing.

5. a kind of hydraulic electric wiring clip according to claim 1, it is characterized in that: being provided with automatic oil return valve in oil suction chamber Core, automatic oil return spring and automatic oil return plug offer the oil outlet of connection oil bag (8) on automatic oil return plug, automatically Oil return valve in-core end is provided in the axial direction with mounting hole, and connection oil cylinder (11) oil inlet passage is offered in the inner end wall of the mounting hole Go out liquid aperture.

6. a kind of hydraulic electric wiring clip according to claim 1, it is characterized in that: the driving part (13) includes:

Transmission shaft (9) is set on the pump housing (7)；

Motor (131), output shaft are connected with the one end of transmission shaft (9), and the motor (131) is fixed on the pump housing by ring flange (7) on；

Eccentric (132) is connected with the other end of transmission shaft (9), and the eccentric (132) abuts with plunger (10), column Plug (10) is realized by eccentric (132) and is pumped.

7. a kind of hydraulic electric wiring clip according to claim 6, it is characterized in that: the eccentric (132) includes solid The eccentric bushing (1321) being located on transmission shaft (9), eccentric bushing (1321) periphery are equipped with bearing by needle roller and retainer assembly set It covers (1322), bearing holder (housing, cover) (1322) periphery is set with limit sleeve, and limit sleeve is connected plunger (10)；It is set on the pump housing (7) It is equipped with the position-limit mechanism (18) of limitation limit sleeve side-to-side movement.

8. a kind of hydraulic electric wiring clip according to claim 1, it is characterized in that: the front end of the shell (1) is provided with Front hook (191), the rear end of shell (1) are provided with aft hook (192).