CN213959305U - Hydraulic clamp for cable installation - Google Patents

Abstract

The application relates to a hydraulic tong for cable installation, which comprises a main body mechanism, a cutter mechanism, a handle mechanism and an electric pressurizing mechanism, wherein the handle mechanism comprises a fixed handle and a movable handle; the input end of the electric lifting push rod is provided with a lifting stepping motor, the output end of the lifting stepping motor is coaxially and fixedly connected with the input end of the electric lifting push rod, and the lifting stepping motor is arranged at the end part inside the movable handle; the electric pressurizing device comprises a sensor, and the output end of the sensor is connected with an electric wire; a miniature air pump is arranged in the cavity inside the fixed handle, an electric wire is connected with the input end of the miniature air pump, the output end of the miniature air pump is fixedly connected with a high-pressure nozzle, and the end part of the high-pressure nozzle penetrates through the end part of the hydraulic oil tank; this application has the effect that realizes electronic pressurization and adjust handle length.

Description

Hydraulic clamp for cable installation

Technical Field

The application relates to the field of hydraulic tongs, in particular to a hydraulic tong for cable installation.

Background

The existing hydraulic pliers refer to a professional hydraulic tool which is specially used for crimping cables and wiring terminals in electric power engineering, and the hydraulic pliers are integral, split, electrodynamic, movable and the like. When the existing hydraulic pliers are used, two hands are pressed oppositely, so that two control levers of the hydraulic pliers are gradually close to each other, and if the hydraulic pliers are too powerful and fast in speed, fingers are likely to touch and squeeze each other, so that the hands are clamped; in addition, if we use the hydraulic clamp in a narrow space, it is likely that we cannot operate the hydraulic clamp normally because the operating rod of the hydraulic clamp is too short.

Present china utility model as publication number CN204912905U discloses a hydraulic tong, including the hydraulic tong body, with the fixed shearing tool bit of the big piston rod of the hydraulic tong body and fix the spacing frame at hydraulic tong body tip, the shearing tool bit sets up in spacing frame, and spacing frame includes: the two fixing pieces are fixed relative to the hydraulic clamp body and are respectively positioned on two sides of the shearing tool bit, each fixing piece is provided with a mounting groove, and each mounting groove comprises a rectangular part extending to the end part of the fixing piece and an anti-falling part intersected with the rectangular part; the two ends of the replacement part are provided with connecting parts embedded with the mounting grooves, and the replacement part is opposite to the shearing tool bit. The utility model is provided with the anti-drop part which can effectively prevent the connecting part from being separated from the mounting groove; spacing frame comprises mounting and replacement, and this kind of replaceable structural style makes hydraulic tong's application scope great, can choose suitable replacement as required during the use, and need not maintain whole hydraulic tong when the replacement is bad.

In view of the above-mentioned related technologies, the inventor believes that the utility model is not provided with an electric pressurizing device, so that the hydraulic clamp is only suitable for cables with light weight and can not be used for cables with large weight; and the utility model can adjust the handle in a telescopic way, thereby not conforming to the operation habit of each worker.

SUMMERY OF THE UTILITY MODEL

In order to better realize the combination of manual pressurization and electric pressurization and to adjust the length of a movable handle, the application provides a hydraulic clamp for cable installation.

The technical scheme provided by the application is as follows:

a hydraulic tong for cable installation comprises a main body mechanism, a cutter mechanism, a handle mechanism and an electric pressurizing mechanism, wherein the main body mechanism comprises a hydraulic shell, a hydraulic oil tank and an oil conveying pipe, the handle mechanism comprises a fixed handle and a movable handle, an electric lifting push rod is arranged inside the movable handle, the electric lifting push rod is cylindrical, the size of the electric lifting push rod is smaller than the inner diameter size of the movable handle, the lower end part of the electric lifting push rod is fixedly connected to the end part position inside the movable handle, and the length of the electric lifting push rod is consistent with that of the movable handle in a standby state; the input end of the electric lifting push rod is provided with a lifting stepping motor, the output end of the lifting stepping motor is coaxially and fixedly connected with the input end of the electric lifting push rod, and the lifting stepping motor is arranged at the end part inside the movable handle; the electric pressurizing device comprises a sensor arranged on the cutter mechanism, the output end of the sensor is connected with an electric wire, and the electric wire is arranged in the hydraulic shell in a penetrating way and wound on the outer peripheral surface of the oil conveying pipe; a cylindrical cavity is arranged in the fixed handle, a miniature air pump is arranged in the cavity, the miniature air pump is horizontally arranged in the cylindrical cavity, and the electric wire is connected with the input end of the miniature air pump; the output end of the miniature air pump is fixedly connected with a high-pressure nozzle, the end part of the high-pressure nozzle penetrates through the end part of the hydraulic oil tank, and the peripheral surface of the high-pressure nozzle is fixedly connected with the end part of the hydraulic oil tank.

By adopting the technical scheme, the lifting stepping motor can drive the electric lifting push rod to work, so that a worker can adjust the length of the movable handle as required and select a proper length to operate; the sensor can effectively monitor the pressure on the surface of the cutter mechanism and convert mechanical signals into electric signals; the electric wire transmits an electric signal to control the switch of the micro air pump; the micro air pump can compress air to increase the pressure inside the cavity; the outer peripheral surface of the high-pressure nozzle is tightly and fixedly connected with the end part of the hydraulic oil tank, so that hydraulic oil in the hydraulic oil tank cannot leak to the external environment from the joint of the high-pressure nozzle and the hydraulic oil tank, the high-pressure nozzle enables the hydraulic oil in the hydraulic oil tank to move leftwards under the action of high-pressure gas after being pressurized by the miniature air pump, and the large piston is pushed to move through the oil delivery pipe, so that the hydraulic pushing effect is realized.

Optionally, the hydraulic housing is rectangular, the interior of the hydraulic housing is of a hollow structure, and the hydraulic housing can be made of an aluminum alloy material.

By adopting the technical scheme, the hydraulic shell can effectively protect the internal pipeline and enable the structure to be hidden inside the hydraulic shell, so that the attractiveness is improved; the aluminum alloy material has the advantages of light weight, good strength, large tensile strength, strong corrosion resistance, easy regeneration and the like, and has better processing performance, so that the hydraulic shell has good extrusion performance, and secondary processing can be carried out.

Optionally, defeated oil pipe deviates from hydraulic tank's one end tip is provided with a big piston, big piston is the rectangle, just the terminal surface size of big piston is less than hydraulic housing's terminal surface size, big piston includes the catch bar, the catch bar set up in the inside axis position of big piston, and with defeated oil pipe tip butt, the catch bar is close to defeated oil pipe's tip is provided with the anticreep piece.

By adopting the technical scheme, when the hydraulic oil in the oil conveying pipe moves, the push rod can be pushed to move outwards, so that the hydraulic pushing effect is achieved; the anti-drop block prevents the phenomenon that the push rod can not slip from the inside of the large piston in the moving process to cause the leakage of the hydraulic oil in the oil delivery pipe

Optionally, the cutter mechanism includes a sliding base, the sliding base is arranged at the end of the push rod, the sliding base is arc-shaped, and the central position of the sliding base is fixedly connected with the end face of the push rod.

Through adopting above-mentioned technical scheme, the catch bar can drive the sliding bottom motion when the motion under hydraulic oil promotes, and sliding bottom has certain surface area, can install the blade on sliding bottom to cut the cable.

Optionally, a cutting knife is arranged on the arc-shaped inner wall of the sliding base, the cutting knife is arranged along the arc-shaped inner wall of the sliding base and forms a certain angle with the arc-shaped inner wall of the sliding base, and the sensor is installed in the cutting knife.

By adopting the technical scheme, the cutting knife can cut along with the sliding base and can be attached to the inner wall of the cable when moving forwards, so that the cable can be cut into a required shape quickly and tidily.

Optionally, a fixed grip is arranged at the other end of the fixed handle, the fixed grip is hollow and cylindrical, the size of the inner circumferential surface of the fixed grip is the same as that of the fixed handle, and the fixed grip can be made of synthetic rubber materials.

By adopting the technical scheme, the fixed handle is sleeved at the end part of the fixed handle, and certain structural strength is kept; the synthetic rubber material has certain structural strength, can improve the use durability of the grip, and has certain surface roughness, so that a worker can generate certain friction force when holding the fixed handle, the hydraulic clamp is not easy to fall off from the hand of the worker, and personal injury is caused

Optionally, a movable grip is fixedly connected to the end of the electric lifting push rod, the movable grip is cylindrical, and the size of the movable grip is the same as that of the end of the electric lifting push rod; the outer peripheral surface of the movable handle is sleeved with a sleeving layer, and the sleeving layer can be made of synthetic rubber materials.

By adopting the technical scheme, a worker can operate the movable handle by holding the movable grip, so that the movable handle can be rotated more conveniently; the cup joint layer can make the staff produce certain sense of astringency when holding the activity handle to increase the experience sense of using.

Optionally, a supporting base is arranged on the lower end face of the hydraulic shell.

Through adopting above-mentioned technical scheme, support the base and can make the hydraulic pressure cut the device more stable to increased operation process's security, and support the base and can make operating personnel avoid the potential safety hazard because of equipment is overweight and leads to, thereby saved the human labor.

To sum up, the application comprises the following beneficial technical effects:

1. an electric pressurizing device is arranged in the fixed handle, and can pressurize hydraulic oil in the hydraulic oil tank, so that a pushing force is applied to the large piston through flowing of an oil pipeline, the purpose of cutting a cable is achieved, and the hydraulic pliers can adapt to different operating environments and force application requirements;

2. an electric lifting push rod is arranged in the movable handle, so that a worker can adjust the length of the movable handle according to needs and select a proper length to operate;

3. the support base can make hydraulic pressure cut the supporting role to increase the security of operation process.

Drawings

FIG. 1 is a sectional view of the structure of this embodiment.

Fig. 2 is an enlarged schematic view at a in fig. 1.

In the figure, 1, a main body mechanism, 11, a hydraulic shell, 12, a hydraulic oil tank, 121, an oil inlet pipe, 13, an oil delivery pipe, 14, a large piston, 141, a push rod, 142, an anti-dropping block, 15, an oil inlet valve, 16, an oil discharge valve, 2, a cutter mechanism, 21, a fixed clamp block, 22, a sliding base, 23, a chopping knife, 24, a fixed base, 25, a fixed knife, 3, a handle mechanism, 31, a fixed handle, 311, a fixed grip, 32, a movable handle, 33, an electric lifting push rod, 34, a lifting stepping motor, 35, a movable grip, 351, a sleeving layer, 36, a pressing piston, 37, a supporting base, 4, an electric pressurizing mechanism, 41, a sensor, 42, an electric wire, 43, a micro air pump, 44 and a high-pressure nozzle.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses hydraulic tong for cable installation.

Example 1

Referring to fig. 1, a hydraulic pliers for cable installation includes a main body mechanism 1, a cutter mechanism 2, a handle mechanism 3, and an electric pressurizing mechanism 4.

Referring to fig. 1, a main body mechanism 1 includes a hydraulic housing 11, the hydraulic housing 11 is rectangular, the interior of the hydraulic housing 11 is a hollow structure, the hollow structure of the interior of the hydraulic housing 11 is also rectangular, and a certain thickness is provided between the outer wall and the inner wall of the hydraulic housing 11; the hydraulic shell 11 can be made of an aluminum alloy material, the aluminum alloy material has the advantages of light weight, good strength, high tensile strength, strong corrosion resistance, easiness in regeneration and the like, and the aluminum alloy material has good processing performance, so that the hydraulic shell 11 has good extrusion performance, and secondary processing can be performed; a hydraulic oil tank 12 is fixedly connected to the center of the end face of one end of the hydraulic housing 11, the hydraulic oil tank 12 is square, the size of the end face of the hydraulic oil tank 12 is smaller than that of the end face of the hydraulic housing 11, a circular through hole is formed in the upper end face of the hydraulic oil tank 12, an oil inlet pipe 121 is fixedly communicated with the through hole, and the outer wall of the oil inlet pipe 121 is fixedly connected with the through hole, so that when oil is in the hydraulic oil tank 12 in a shortage, hydraulic oil can be input into the hydraulic oil tank 12 through the outer portion of the oil inlet pipe 121, and the hydraulic oil tank 12 can work normally; an oil delivery pipe 13 is arranged in the horizontal central axis position in the hydraulic shell 11, the oil delivery pipe 13 is of a cylindrical hollow structure, two ends of the oil delivery pipe 13 are respectively and fixedly communicated with the central positions of two ends of the hydraulic shell 11, one end of the oil delivery pipe 13 penetrates through the end part of the hydraulic shell 11 and is mutually communicated with the interior of the hydraulic oil tank 12, and the other end of the oil delivery pipe 13 penetrates through the hydraulic shell 11 and is mutually communicated with the exterior of the hydraulic shell 11; the end part of one end of the oil delivery pipe 13 departing from the hydraulic oil tank 12 is provided with a large piston 14, the large piston 14 is rectangular, the end surface size of the large piston 14 is smaller than the end surface size of the hydraulic shell 11, the large piston 14 is provided with a push rod 141, the push rod 141 is arranged at the central axis position inside the large piston 14, when hydraulic oil in the oil delivery pipe 13 moves, the large piston 14 can be pushed to drive the push rod 141 to move outwards, so that the hydraulic pushing effect is achieved, in order to prevent the push rod 141 from slipping from the inside of the large piston 14, the end part of the push rod 141 close to the oil delivery pipe 13 is provided with two anti-slip blocks 142, the anti-slip blocks 142 are evenly arranged at the edge position of the end part of the push rod 141, and the phenomenon that the hydraulic oil leaks from the inside of the large piston 14 in the moving process can not occur to cause the hydraulic oil leakage in the oil delivery pipe 13. An oil inlet valve 15 is arranged at one end of the oil delivery pipe 13 close to the hydraulic oil tank 12, the oil inlet valve 15 is positioned inside the hydraulic shell 11 and close to the end part of the hydraulic shell 11, and the oil inlet valve 15 is used for controlling hydraulic oil inside the hydraulic oil tank 12 to move forwards through the oil delivery pipe 13; the end part of the oil delivery pipe 13 close to the hydraulic shell 11 is provided with an oil discharge valve 16, the oil discharge valve 16 is arranged inside the hydraulic shell, and the oil discharge valve 16 can control the hydraulic oil inside the oil delivery pipe 13 to flow back to the hydraulic oil tank 12.

Referring to fig. 1 and 2, the cutter mechanism 2 includes a fixed clamp block 21, the fixed clamp block 21 is a hollow circular opening structure, an opening of the fixed clamp block 21 is fixedly connected to an end portion of the hydraulic housing 11, the fixed clamp block 21 can wrap the large piston 14 inside, an end portion of the large piston 14 close to the hydraulic housing 11 abuts against an inner wall of the fixed clamp block 21, and the oil pipeline 13 conveys hydraulic oil to a gap between the large piston 14 and the hydraulic housing to further push the large piston 14 to move leftward; the end of the pushing rod 141 is provided with a sliding base 22, the sliding base 22 is arc-shaped, and the center of the sliding base 22 is fixedly connected with the end face of the pushing rod 141, so that the pushing rod 141 can drive the sliding base 22 to move when being pushed by hydraulic oil; the cutting knife 23 is arranged on the arc-shaped inner wall of the sliding base 22, the cutting knife 23 is arranged along the arc-shaped inner wall of the sliding base 22 and forms a certain angle with the arc-shaped inner wall of the sliding base 22, so that the cutting knife 23 can be attached to the inner wall of the cable for cutting when moving forward along with the sliding base 22, and the cable can be rapidly and neatly extruded into a required shape or cut; a fixed base 24 is fixedly connected to the inner wall of the fixed clamp block 21 relative to the position of the sliding base 22, the fixed base 24 is arc-shaped, the shape of the fixed base 24 is tightly attached to the inner wall of the fixed clamp block 21, and the fixed base 24 can be set to be the same as the sliding base 22 in size; the fixed knife 25 is arranged on the arc-shaped inner wall of the fixed base 24, the fixed knife 25 is arc-shaped and is arranged along the shape of the inner wall of the fixed base 24, and the fixed knife 25 and the fixed base 24 form a certain angle, so that when the chopping knife 23 and the fixed knife 25 move relatively, the two sides of the cable can be cut at a certain angle simultaneously, and the cutting efficiency can be increased; in the working process, a cable to be cut can be placed at the center of the fixed clamp block 21, hydraulic oil is input to the right side of the large piston 14 to push the large piston rod 141 to move forward, the large piston rod 141 drives the chopping knife 23 fixedly connected to the sliding base 22 to cut the cable, and the outer peripheral surface of the cable is subjected to shearing force generated by the chopping knife 23 and the fixed knife 25, so that the transverse cutting of the cable is realized.

Referring to fig. 1, the handle mechanism 3 includes a fixed handle 31 and a movable handle 32, the fixed handle 31 is cylindrical, and one end of the fixed handle 31 is fixedly connected to the end of the hydraulic mechanism 2, so that a worker can operate the hydraulic pliers through the fixed handle 31, the other end of the fixed handle 31 is provided with a fixed grip 311, the fixed grip 311 is hollow cylindrical, and the inner circumferential surface of the fixed grip 311 has the same size as the fixed handle 31, so that the fixed grip 311 is sleeved on the end of the fixed handle 31 and maintains a certain structural strength, the fixed grip 311 can be made of a synthetic rubber material, the synthetic rubber material has a certain structural strength, the durability of the fixed grip 311 can be improved, and the synthetic rubber material has a certain surface roughness, so that the worker can generate a certain friction force when holding the fixed handle 31, the hydraulic clamp is not easy to fall off from the hand of a worker, thereby causing personal injury; the movable handle 32 is hollow and cylindrical, and one end of the movable handle 32 is hinged to the upper end face of the hydraulic housing 11 through a hinge member, so that the movable handle 32 can rotate around the hinge point; an electric lifting push rod 33 is arranged in the movable handle 32, the electric lifting push rod 33 is cylindrical, the size of the electric lifting push rod 33 is smaller than the inner diameter size of the movable handle 32, the lower end part of the electric lifting push rod 33 is fixedly connected to the end part position in the movable handle 32, and the length of the electric lifting push rod 33 is consistent with that of the movable handle 32 in a standby state; the input end of the electric lifting push rod 33 is provided with a lifting stepping motor 34, the output end of the lifting stepping motor 34 is coaxially and fixedly connected with the input end of the electric lifting push rod 33, the lifting stepping motor 34 is arranged at the end part inside the movable handle 32, and in a working state, the lifting stepping motor 34 drives the electric lifting push rod 33 to work, so that a worker can adjust the length of the movable handle 32 as required and select a proper length to operate; the end part of the electric lifting push rod 33 penetrating through the movable handle is fixedly connected with a movable grip 35, the movable grip 35 is cylindrical, and the size of the movable grip 35 is the same as that of the end part of the electric lifting push rod 33, so that the movable grip 35 is fixedly connected with the electric lifting push rod 33; the outer peripheral surface of the movable grip 35 is sleeved with the sleeving layer 351, the sleeving layer 351 can be made of the same synthetic rubber material as the fixed grip 311, the synthetic rubber material has certain ductility, so that the sleeving layer 351 is tightly sleeved on the outer peripheral surface of the movable grip 35, and the sleeving layer 351 can enable a worker to generate certain unsmooth feeling when holding the movable grip 35, so that the use experience feeling is increased; the upper end face of the hydraulic shell 11 is provided with a rectangular through hole, the lower end face of the movable handle 32 is fixedly connected with a pressing piston 36, the pressing piston 36 is rectangular, and the pressing piston 36 can be matched with the rectangular through hole formed in the upper end face of the hydraulic shell 11, so that the end part of the pressing piston 36 can penetrate into the hydraulic shell 11 and is communicated with the inner part of the oil pipeline 13 in a penetrating manner through the peripheral face of the oil pipeline 13, and the pressing piston 36 can control the pressure intensity of hydraulic oil in the oil pipeline 13; the terminal surface is provided with one and supports base 37 under the hydraulic pressure shell 11, and the both ends that support base 37 make hydraulic pressure shell 11 and fixed handle 31 joint in the tip that supports base 37 respectively, support base 37 and can make the hydraulic pressure cut the device more stable to increased operation process's security, and support base 37 can make operating personnel avoid because of the potential safety hazard that equipment leads to excessively heavily, thereby saved human labor. In the operation process, a worker can press the movable handle 32 to enable the pressing piston 36 to reciprocate up and down, when the pressing piston 36 moves upwards, the oil inlet valve 15 is opened, the lower space is vacuumed, and hydraulic oil in the hydraulic oil tank 12 moves towards the large piston 14 through the oil pipeline 13; when the pressing piston 36 moves downwards, the pressure of hydraulic oil in the lower space is increased, the oil inlet valve 15 is closed by the pressure, the oil outlet valve 16 is opened, the hydraulic oil enters the space on the right side of the large piston 17 to push the large piston 17 to move leftwards, and therefore manual pressurization is achieved, and the function of hydraulic cable cutting is achieved.

Referring to fig. 1, in order to make the hydraulic clamp adaptable to different operating environments and force application requirements, the electric pressurizing mechanism 4 may be used to implement an automatic pressurizing function for the hydraulic clamp, so that the hydraulic clamp may work by means of manual pressurization or electric pressurization. The electric pressurizing device 4 comprises a sensor 41, the sensor 41 is fixedly connected to the surface of the cutting knife 23, the sensor 41 can effectively monitor the pressure on the surface of the cutting knife 23, when a cable is placed on the cutting edge, a pressure signal of the cable can be converted into an electric signal, a control switch (not shown in the figure) is arranged on the surface of the sensor 41, the control switch is used for controlling the working state of the sensor 41, and when the electric pressurizing is not needed, the sensor 41 can not transmit the signal by closing the control switch, so that the purpose of closing the electric pressurizing mechanism 4 is realized; the output end of the sensor 41 is connected with an electric wire 42, the electric wire 42 is arranged inside the hydraulic shell 11 in a penetrating way and wound on the outer peripheral surface of the oil delivery pipe 13, so that the normal operation of the electric wire 42 cannot be influenced by the hydraulic oil inside the oil delivery pipe 13; a cylindrical cavity is arranged in the fixed handle 31, a micro air pump 43 is arranged in the cavity, the micro air pump 43 is horizontally arranged in the cylindrical cavity, and the electric wire 42 is connected with the input end of the micro air pump 43, so that the transmitted electric signal controls the switch of the micro air pump 43; the output end of the micro air pump 43 is fixedly connected with a high-pressure nozzle 44, the end of the high-pressure nozzle 44 penetrates through the end of the hydraulic oil tank 12, and the peripheral surface of the high-pressure nozzle 44 is fixedly connected with the end of the hydraulic oil tank 12 tightly, so that the hydraulic oil in the hydraulic oil tank 12 cannot leak out to the external environment from the connection position of the high-pressure nozzle 44 and the hydraulic oil tank 12; when the cable is placed on the cutting blade 23, the pressure signal of the cable can be converted into an electric signal and the electric signal is transmitted to the micro air pump 43 through the electric wire, and the high-pressure nozzle 44 is pressurized by the micro air pump 43 to enable the hydraulic oil in the hydraulic oil tank 12 to move leftwards under the action of high-pressure air and push the large piston 14 to move through the oil pipeline 13, so that the hydraulic pushing effect is realized.

The implementation principle of the hydraulic clamp for cable installation in the embodiment of the application is as follows: in the operation process, the cable with the cut can be placed between the cutting knife 23 and the fixed knife 25, if the manual cutting mode is selected, the sensor 41 can be closed, the movable handle 32 can be rotated downwards, the hydraulic oil in the hydraulic oil tank 12 can move towards the large piston 14, so that the sliding base 22 is pushed to move, and the sliding base 22 drives the cutting knife 23 to move and cut the cable; if the electric shearing mode is selected, the sensor 41 is turned on, the sensor 41 transmits an electric signal to the micro air pump 43 through the electric wire 42, the micro air pump 43 is started, the micro air pump 43 compresses air and sprays the air into the hydraulic oil tank 12 from the high-pressure nozzle 44, so that the pressure in the hydraulic oil tank 12 is increased, the hydraulic oil in the hydraulic oil tank 12 enters the oil pipeline 13, the push rod 141 is pushed to move forwards, the sliding base 22 and the chopping knife 23 move forwards, and the cable is sheared.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a hydraulic tong for cable erection, includes main part mechanism (1), cutter mechanism (2), handle mechanism (3) and electronic pressurization mechanism (4), its characterized in that: the main body mechanism (1) comprises a hydraulic shell (11), a hydraulic oil tank (12) and an oil conveying pipe (13), the handle mechanism (3) comprises a fixed handle (31) and a movable handle (32), an electric lifting push rod (33) is arranged inside the movable handle (32), the electric lifting push rod (33) is cylindrical, the size of the electric lifting push rod (33) is smaller than the inner diameter size of the movable handle (32), the lower end part of the electric lifting push rod (33) is fixedly connected to the end part position inside the movable handle (32), and the length of the electric lifting push rod (33) is consistent with that of the movable handle (32) in a standby state; the input end of the electric lifting push rod (33) is provided with a lifting stepping motor (34), the output end of the lifting stepping motor (34) is coaxially and fixedly connected with the input end of the electric lifting push rod (33), and the lifting stepping motor (34) is arranged at the end part inside the movable handle (32); the electric pressurizing mechanism (4) comprises a sensor (41) arranged on the cutter mechanism (2), the output end of the sensor (41) is connected with an electric wire (42), and the electric wire (42) penetrates through the inside of the hydraulic shell (11) and is wound on the outer peripheral surface of the oil delivery pipe (13); a cylindrical cavity is arranged in the fixed handle (31), a micro air pump (43) is arranged in the cavity, the micro air pump (43) is horizontally arranged in the cylindrical cavity, and the electric wire (42) is connected with the input end of the micro air pump (43); the output end of the miniature air pump (43) is fixedly connected with a high-pressure nozzle (44), the end part of the high-pressure nozzle (44) penetrates through the end part of the hydraulic oil tank (12), and the peripheral surface of the high-pressure nozzle (44) is tightly and fixedly connected with the end part of the hydraulic oil tank (12).

2. The hydraulic pliers for cable installation according to claim 1, wherein: the hydraulic shell (11) is rectangular, the interior of the hydraulic shell (11) is of a hollow structure, and the hydraulic shell (11) can be made of aluminum alloy materials.

3. The hydraulic pliers for cable installation according to claim 1, wherein: defeated oil pipe (13) deviate from the one end tip of hydraulic tank (12) is provided with a big piston (14), big piston (14) are the rectangle, just the terminal surface size of big piston (14) is less than the terminal surface size of hydraulic pressure shell (11), big piston (14) include catch bar (141), catch bar (141) set up in big piston (14) inside axis position, and with defeated oil pipe (13) tip butt, catch bar (141) are close to the tip of defeated oil pipe (13) is provided with anticreep piece (142).

4. The hydraulic pliers for cable installation according to claim 3, wherein: cutter mechanism (2) include sliding bottom (22), sliding bottom (22) set up in the tip of catch bar (141), sliding bottom (22) are the arc, just sliding bottom (22) the central point put with the terminal surface rigid coupling of catch bar (141).

5. The hydraulic pliers for cable installation according to claim 4, wherein: the cutting knife is characterized in that a cutting knife (23) is arranged on the arc-shaped inner wall of the sliding base (22), the cutting knife (23) is arranged along the arc-shaped inner wall of the sliding base (22) and forms a certain angle with the arc-shaped inner wall of the sliding base (22), and the sensor (41) is installed in the cutting knife (23).

6. The hydraulic pliers for cable installation according to claim 1, wherein: the other end of the fixed handle (31) is provided with a fixed grip (311), the fixed grip (311) is in a hollow cylindrical shape, the size of the inner circumferential surface of the fixed grip (311) is the same as that of the fixed handle (31), and the fixed grip (311) can be made of synthetic rubber materials.

7. The hydraulic pliers for cable installation according to claim 1, wherein: a movable grip (35) is fixedly connected to the end part of the electric lifting push rod (33), the movable grip (35) is cylindrical, and the size of the movable grip (35) is the same as that of the end part of the electric lifting push rod (33); the outer peripheral surface of the movable grip (35) is sleeved with a sleeving layer (351), and the sleeving layer (351) can be made of synthetic rubber materials.

8. The hydraulic pliers for cable installation according to claim 1, wherein: the lower end face of the hydraulic shell (11) is provided with a supporting base (37).

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