CN111525362A

CN111525362A - Electric hydraulic device

Info

Publication number: CN111525362A
Application number: CN202010358909.XA
Authority: CN
Inventors: 伦庆权; 何启洪; 廖敏航; 曾余标; 刘锋; 孙阳; 陈世标; 梁汉清; 吴韵建; 谭臻辉; 周睿; 罗依穗; 冼少聪; 金少良; 潘彦光
Original assignee: Guangdong Power Grid Co Ltd; Zhaoqing Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Zhaoqing Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-11

Abstract

The invention relates to an electric power tool, in particular to an electric hydraulic device which comprises a handle part, wherein a fixed jaw is arranged at the tail end of the handle part, a motor and a hydraulic pump are arranged in the handle part, the hydraulic pump is provided with a telescopic rod extending onto the fixed jaw, the motor drives the hydraulic pump to enable the telescopic rod to stretch, a battery is arranged in the handle part, and the battery supplies power to the motor. The device drives and applies work to the built-in hydraulic pump assembly through electric power, thereby realizing the operation functions such as driving, crimping and the like, providing convenience for related work, and greatly improving the efficiency of operators.

Description

Electric hydraulic device

Technical Field

The invention relates to an electric power tool, in particular to an electric hydraulic device.

Background

A manual hydraulic clamp commonly used in construction operation of the power industry is a device for crimping copper-aluminum wiring terminals of power transmission and distribution lines at workshops. The hydraulic pliers mainly comprise a pliers body, a hydraulic oil cylinder, a movable jaw and a fixed jaw, and the workpiece principle is that a small piston pushes a large piston to convert small force into large force hydraulic pliers. The hydraulic pliers are used by two hands, the weight of the tool body is slightly heavy, the head of the tool is not adjustable, pressure is applied manually by a pure worker, the crimping is time-consuming and long, repeated operation is needed, and the crimping quality cannot be guaranteed. And the manual hydraulic pliers are limited in applicable workplaces and cannot be widely applied to emergency rescue and other places.

Disclosure of Invention

In order to solve the above problems, the present invention provides an electro-hydraulic device, which is driven by electric power and applies work to a built-in hydraulic pump assembly, thereby achieving operation functions such as driving and crimping, facilitating related work, and greatly improving efficiency of operators.

The technical scheme of the invention is as follows:

the electric hydraulic device comprises a handle part, wherein a fixed jaw is arranged at the tail end of the handle part, a motor and a hydraulic pump are arranged in the handle part, the hydraulic pump is provided with a telescopic rod which extends to the fixed jaw, the motor drives the hydraulic pump to enable the telescopic rod to stretch, a battery is arranged in the handle part, and the battery supplies power to the motor.

Furthermore, the handle part is internally provided with a control circuit, the surface of the handle part is provided with a power button and a rotating button, the power button is electrically connected with the control circuit and used for controlling the starting or stopping of the motor, and the rotating button is electrically connected with the control circuit and used for controlling the forward rotation or the reverse rotation of the motor.

Further, a gear button is arranged on the surface of the handle portion, and the gear button is electrically connected with the control circuit and used for controlling the rotating speed gear of the motor.

Further, the gear button is provided with a first gear, a second gear and a third gear.

Further, the inner side of the fixed jaw is provided with a sliding groove, the bottom of the telescopic rod is provided with a sliding block, and the telescopic rod slides in the sliding groove through the sliding block.

Furthermore, the inner side of the tail end of the fixed jaw is a semi-circular clamping groove, the tail end of the telescopic rod is a semi-circular clamping groove, and the two semi-circular clamping grooves are matched for compression joint.

Furthermore, a battery jar is arranged in the handle part and used for loading batteries, and the tail end of the handle part is a screw cap.

Further, the battery adopts a lithium battery.

Further, an insulating sleeve is arranged on the surface of the handle part.

Further, the insulating sleeve is provided with anti-skid lines.

The invention has the beneficial effects that:

the built-in driving motor replaces the traditional manual hydraulic operation to drive the telescopic rod to match with the fixed jaw to complete the crimping action; the invention is provided with the rotating button and the gear button, thereby realizing quick opening and closing and quick adjustment of the crimping force; by using the electric hydraulic device, the problems of time consumption, labor consumption and efficiency underground when the conventional hydraulic clamp is used at present are solved, the efficiency of installation work is improved by using an intelligent technical tool, repeated compression joint of hands is not needed, and the labor intensity of a construction site is effectively reduced. The device is simple to use, conveniently carries, and integration hydraulic design improves the device and uses the smoothness degree, can be applicable to electric power workman crimping binding post, copper aluminium wire ear place when high altitude construction, also is applicable to emergency rescue workplace, and popularization nature and practicality are stronger.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

in the figure: the handle part 1, the fixed jaw 2, the sliding chute 201, the motor 3, the hydraulic pump 4, the telescopic rod 5, the sliding block 501, the battery 6, the battery jar 7, the rotary cover 8, the power button 9, the rotary button 10, the gear button 11 and the control circuit 12.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 and 2, an electro-hydraulic device comprises a handle portion 1, a fixed jaw 2 is arranged at the tail end of the handle portion 1, a motor 3 and a hydraulic pump 4 are arranged in the handle portion 1, the hydraulic pump 4 is provided with an expansion link 5 extending to the fixed jaw 2, the motor 3 drives the hydraulic pump 4 to expand and contract the expansion link 5, a battery 6 is arranged in the handle portion 1, a battery slot 7 is arranged in the handle portion 1 and used for loading the battery 6, a rotary cover 8 is arranged at the tail end of the handle portion 1, the battery 6 supplies power for the motor 3, a sliding slot 201 is arranged on the inner side of the fixed jaw 2, a sliding block 501 is arranged at the bottom of the expansion link 5, the expansion link 5 slides in the sliding slot 201 through the sliding block 501, a semi-arc clamping slot is arranged on the inner side of the tail end of the fixed jaw 2, and carrying out compression joint on the copper aluminum lug and the like.

Wherein, the handle part 1 is internally provided with a control circuit 12, the control circuit 12 is powered by a battery 6, and the surface of the handle part 1 is provided with a power button 9 and a rotating button 10; the power button 9 is electrically connected with the control circuit 12 and used for controlling the starting or stopping of the motor 3, and the power button 9 is pressed once to start and is pressed again to stop; the rotating button 10 is electrically connected with the control circuit 12 and used for controlling the forward rotation or the reverse rotation of the motor 3, and the rotating button 10 is pressed once to be in the forward rotation and is pressed again to be in the reverse rotation; the surface of the handle part 1 is also provided with a gear button 11, the gear button 11 is electrically connected with a control circuit 12 and is used for controlling the rotating speed gear of the motor 3, the gear button 11 is provided with a first gear, a second gear and a third gear, the rotating speed of the motor 3 is 500 rpm, 1000 rpm and 1500 rpm respectively, the gear button 11 is a sliding button, and the gear can be adjusted in a sliding manner.

In the present embodiment, the battery 6 is a lithium battery.

In this embodiment, the surface of the handle portion 1 is provided with an insulating sleeve, and the insulating sleeve is provided with anti-slip lines, so that an operator can hold the hydraulic device tightly.

In the present embodiment, the circuit and the technical principle means for the control circuit 12 to perform the on/off, the forward/reverse rotation control and the rotation speed control on the motor 3 are all well known to those skilled in the art.

The battery 3 can be placed in the battery well 7 by unscrewing the screw cap 8 at the end of the handle portion 1.

The using process of the invention is as follows:

the part that will carry out the crimping to binding post or copper aluminium wire ear etc. places between two semicircle draw-in grooves of fixed jaw 2 and telescopic link 5, then press power button 9, make motor 3 get electric, and press simultaneously and rotate button 10, make motor 3 carry out the corotation, wherein, gear button 11 can slide in step, adjust motor 3's rotational speed, motor 3 drives hydraulic pump 4, hydraulic pump 4 makes telescopic link 5 stretch out, two semicircle draw-in grooves cooperation of fixed jaw 2 and telescopic link 5 carry out the crimping to the binding post, copper aluminium wire ear etc.. After the crimping is finished, the rotating button 10 is pressed down again, the motor 3 is rotated reversely, the telescopic rod 5 is retracted, then the power button 9 is pressed down again, the motor 3 is powered off, and the primary crimping is finished.

The device of the invention is an optimized improvement made on the basis of original hydraulic tongs, and the design is that a manual hydraulic handle part is removed from the original hydraulic tongs to reduce unnecessary weight, then a motor device is added on the original rod body part, and the motor device is provided with a power supply button 9, a rotating button 10 and a gear button 11. According to the invention, the lithium battery electric drive motor 3 applies pressure to the built-in hydraulic pump 4, so that the telescopic rod 5 is driven to complete the compression joint function. The device sets up three gear to different material hardness and crimping demands, and the crimping dynamics of hydraulic pump 4 is adjusted to the rotational speed of accessible accommodate motor 3, realizes swiftly adjusting the crimping dynamics, maneuverability is strong. The front end of the clamp body is designed as a fixed jaw, the telescopic rod 5 extends and retracts back and forth to form a movable jaw, and the movable jaw formed by the fixed jaw 2 and the telescopic rod 5 is matched well to be pressed and connected. The device provided by the invention has the design of a lithium battery groove, the hydraulic device is integrally designed, the device is strong in stability and more operable when in use, and the device is suitable for emergency rescue occasions such as a crimping terminal, a copper-aluminum lug place and the like during high-altitude operation.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The electric hydraulic device is characterized by comprising a handle part, wherein a fixed jaw is arranged at the tail end of the handle part, a motor and a hydraulic pump are arranged in the handle part, the hydraulic pump is provided with a telescopic rod which extends onto the fixed jaw, the motor drives the hydraulic pump to enable the telescopic rod to stretch, a battery is arranged in the handle part, and the battery supplies power to the motor.

2. The electro-hydraulic apparatus of claim 1, wherein the handle portion houses a control circuit, a power button and a rotation button are disposed on a surface of the handle portion, the power button is electrically connected to the control circuit for controlling the start or stop of the motor, and the rotation button is electrically connected to the control circuit for controlling the forward or reverse rotation of the motor.

3. The electro-hydraulic apparatus of claim 2, wherein the handle portion has a gear button disposed on a surface thereof, the gear button being electrically connected to the control circuit for controlling the gear of the motor.

4. The electro-hydraulic apparatus of claim 3, wherein the range button has first, second, and third ranges.

5. The electro-hydraulic apparatus of claim 1, wherein the fixed jaw has a sliding groove on an inner side thereof, and the telescopic rod has a sliding block on a bottom thereof, and slides in the sliding groove via the sliding block.

6. The electro-hydraulic apparatus of claim 1, wherein the inner side of the end of the fixed jaw is a semi-circular slot, and the end of the telescopic rod is a semi-circular slot, and the two semi-circular slots are matched for crimping.

7. The electro-hydraulic apparatus of claim 1, wherein the handle portion has a battery compartment therein for receiving a battery, and the handle portion terminates in a screw cap.

8. The electro-hydraulic apparatus of claim 7, wherein the battery is a lithium battery.

9. An electro-hydraulic apparatus as claimed in claim 1, wherein the surface of the handle portion is provided with an insulating sheath.

10. The electro-hydraulic apparatus of claim 9, wherein the insulative sleeve is provided with anti-slip threads.