CN209716321U - A power cable cutting device - Google Patents

Abstract

The utility model relates to a kind of electric power cable clipping apparatus, including pedestal, support case, damping device, gripping mechanism, resetting apparatus, handle and hydraulic power unit, pedestal top is fixedly connected with support case, support is fixedly connected with handle on the outside of box top, inside is fixedly connected with damping device, gripping mechanism is equipped with below damping device, gripping mechanism is fixedly connected with resetting apparatus, and resetting apparatus is fixedly connected with hydraulic power unit, and hydraulic power unit bottom is fixedly connected with pedestal top；The utility model is small in size, is easy to carry about with one, and is more suitable for field work；By be arranged damping device, ensure that the present apparatus using safe；By the way that gripping mechanism is arranged, better effect is cut；By the way that resetting apparatus is arranged, automatically reseting for device is realized, by the setting of sight glass, cutting progress can be observed at any time, be suitble to be widely popularized.

Description

A power cable cutting device

technical field

The utility model relates to the technical field of electric power auxiliary equipment, in particular to a power cable cutting device.

Background technique

The cable is usually a rope-like cable twisted by several or several groups of conductors (at least two in each group). Each group of conductors is insulated from each other and is often twisted around a center. Insulating covering. Cables include power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mine cables and aluminum alloy cables, etc. Composed of strands of wire and insulation, used to connect circuits, electrical appliances, etc. In cable construction, in order to facilitate the cutting of power cables or steel wires during construction, workers often need to carry wire cutting tools. Traditional wire cutting tools mostly use manpower as the power to cut wires, and use the principle of leverage to cut cables. Because the hardness of many power cables or steel wires is very high, the direct action of manpower is often very difficult or even impossible to cut the cables. In order to cut the power cables with large diameters, the staff need to carry a large wire cutting tool, which is difficult to carry. In occasions such as the field, it is not convenient for construction operation. An electric power cable cutting device disclosed in a Chinese patent (publication number: CN203992171U) uses a motor to drive the entire device, which can save manpower, effectively reduce the labor intensity of the staff, and has a simple structure and is easy to carry. However, the power cable cutting device is constructed in the field, and it is difficult to realize the motor drive. If the grid is directly used for power supply, it is difficult to connect the lines in the field. If the battery is used to supply power to the motor, it has the disadvantages of high battery cost and extremely limited storage capacity. , and in the field construction, the motor cannot work because the battery cannot be charged in time, which will affect the construction progress and delay the construction period.

Contents of the invention

The purpose of the utility model is to solve the above-mentioned problems of the traditional power cable cutting tools, and provide a power cable cutting device that is small in size, easy to carry, more suitable for field work and widely popularized.

The specific solution of the utility model is: a power cable cutting device, including a base, a support box, a shock absorber, a clamping device, a reset device, a handle and a hydraulic power device, the upper part of the base is fixedly connected to the support box, and the top of the support box is outside The handle and the inner side are fixedly connected to the shock absorbing device. A clamping device is arranged below the shock absorbing device. The clamping device is fixedly connected to the reset device. The reset device is fixedly connected to the hydraulic power device. The bottom of the hydraulic power device is fixedly connected to the upper part of the base.

The damping device described in the utility model includes a chopping board and a damping spring, the inner side of the top of the support box is provided with a groove, the upper ends of several damping springs are fixedly connected to the bottom of the groove, and the lower ends of the damping springs extend to the outside of the groove. And it is fixedly connected with the upper side of the chopping board.

The reset device described in the utility model includes a limit ring and a reset spring. The limit ring is ring-shaped, and the limit ring is sleeved outside the protrusion of the top piece of the hydraulic power device, and is fixed by the limit of the ejector rod of the large oil cylinder. The lower side of the limiting ring is fixedly connected to the upper ends of several return springs, and the lower end of the return springs is fixedly connected to the ring-shaped lugs of the hydraulic power device; the clamping device includes a clamping plate and a clamping spring, and the clamping plate is round In the middle of the clamping plate, there is a rectangular shearing knife passage opening, the lower side of the clamping plate is fixedly connected with one end of a plurality of clamping springs, and the other end of the clamping spring is fixedly connected with the limit ring in the reset device.

The hydraulic power device described in the utility model includes a hydraulic power device base, a large oil cylinder piston, a fuel tank, a large oil cylinder, an annular ear piece, a large oil cylinder ejector rod, a seal, a small oil cylinder piston, a small oil cylinder piston rod, and a driving handle , a support rod and a small oil cylinder, the bottom of the base of the hydraulic power unit is fixedly connected to the base, the base of the hydraulic power unit is threadedly connected to the fuel tank and the large oil cylinder respectively, the seal is fixedly connected to the upper end of the large oil cylinder with threads, and is sealed with the upper end of the fuel tank Fixed, the inner wall of the large oil cylinder is slidingly connected with the piston of the large oil cylinder, the piston of the large oil cylinder is fixedly connected with the lower end of the ejector rod of the large oil cylinder, and the upper end of the ejector rod of the large oil cylinder penetrates the seal and extends to the outside of the seal; the base of the hydraulic power device The right side is provided with a support rod and a small oil cylinder. The inner wall of the small oil cylinder is slidingly connected with the piston of the small oil cylinder. The support rod is hinged.

In the utility model, an oil chamber is formed between the oil tank and the large oil cylinder, the oil chamber communicates with the small oil cylinder through the oil inlet passage, the small oil cylinder communicates with the inside of the large oil cylinder through the oil pressure passage, and the large oil cylinder communicates with the oil chamber through the oil return passage , the pressure oil passage is provided with a pressure oil check valve, the oil inlet passage is provided with an oil inlet check valve, the oil return passage is provided with an oil return valve, and the left end of the oil return valve extends to the hydraulic power unit The outside of the base is connected to the oil return rod; the lower part of the left side of the support box is provided with a reset operation port, the upper part is provided with an inlet port, the lower part of the right side of the support box is provided with a drive operation port, and the upper part is provided with an outlet port, and the oil return rod is located at Inside the reset operation port, the drive handle is set through the drive operation port.

In the utility model, the outer side of the fuel tank is fixedly connected with ring-shaped ear pieces, the side of the large oil cylinder is provided with a stop hole, and the right end of the driving lever is covered with a rubber sleeve.

The upper end of the ejector rod of the large oil cylinder described in the utility model is fixedly connected with a top piece protrusion, and the top of the top piece protrusion is fixedly connected with the shearing knife.

The front side of the support box described in the utility model is equipped with a window glass.

In the utility model, the cables are arranged through the wire inlet and the wire outlet in turn.

Compared with the prior art, the utility model has the following beneficial effects:

1. This device uses a hydraulic power device to provide the power to cut the cable. Compared with the motor as the power, the power is easier to obtain, the cost is lower, and it is easy to use in field work, avoiding the problems caused by the difficulty of wiring in the field. , The device is small in size and easy to carry. A handle is provided on the top of the support box, which is convenient for the staff to take and carry.

2. This device is easy to use and operate. When cutting the cable, you only need to embed the cable in the wire inlet and outlet, so that the cable is between the cutting board and the clamping board, and the cutting operation can be performed. When cutting, you only need to Hold the rubber sleeve and shake the driving handle up and down to realize the upward movement of the scissors until the cable is cut. The device is equipped with a stop hole. When the shearing knife, the top piece protruding, the ejector rod of the large oil cylinder and the piston of the large oil cylinder rise to the highest position, the stop hole connects the oil chamber and the inside of the large oil cylinder, so that the shearing knife and the top piece protrude. , The ejector rod of the large oil cylinder and the piston of the large oil cylinder no longer rise, which ensures the safe use of the device.

3. The device is equipped with a clamping device, and the cable is pressed tightly before the cable is cut, which ensures the cutting effect. By arranging the shock absorbing device, under the elastic force of the shock absorbing spring, it is effectively prevented that the shearing knife directly impacts on the supporting box and causes damage to the device. Through the setting of the reset device, you only need to pull the oil return rod, and the oil return valve connects the oil chamber with the inner side of the large oil cylinder. Stretched state; now the oil return valve connects the oil chamber with the inner side of the large oil cylinder, and the limit ring is pulled down under the elastic force of the return spring, and the limit ring drives the ejector rod of the large oil cylinder to move downward until the ejector rod of the large oil cylinder returns to The initial position realizes the automatic reset of the scissors.

Description of drawings

Fig. 1 is the idle state schematic diagram of the utility model;

Fig. 2 is the working state schematic diagram of the utility model;

Fig. 3 is a schematic diagram of the front side structure of the utility model;

Fig. 4 is a sectional view of the hydraulic power unit in the utility model;

Fig. 5 is a schematic diagram of the rear structure of the utility model.

In the figure: 1—base, 2—support box, 2-1—reset operation port, 2-2—wire inlet, 2-3—groove, 2-4—wire outlet, 2-5—drive operation port, 3—cutting board, 4—shock-absorbing spring, 5—handle, 6—clamping plate, 7—scissors through opening, 8—scissors, 9—clamping spring, 10—limiting ring, 11—returning spring, 12 —Hydraulic power unit, 13—Hydraulic power unit base, 14—Oil pressure channel, 15—Oil inlet channel, 16—Oil pressure check valve, 17—Oil return channel, 18—Oil return valve, 19—Oil return rod , 20—big oil cylinder piston, 21—oil tank, 22—oil chamber, 23—big oil cylinder, 24—ring ear piece, 25—top piece protrusion, 26—big oil cylinder ejector rod, 27—seal, 28—stop Moving hole, 29—small oil cylinder piston, 30—small oil cylinder piston rod, 31—drive lever, 32—rubber sleeve, 33—support rod, 34—small oil cylinder, 35—oil inlet check valve, 36—cable, 37—window glass.

Detailed ways

Referring to Fig. 1-Fig. 5, the utility model is a new electric cable cutting device, including a base 1, a support box 2, a shock absorbing device, a clamping device, a reset device, a handle 5 and a hydraulic power device 12, and the upper part of the base 1 The support box 2 is fixedly connected, the outer side of the top of the support box 2 is fixedly connected to the handle 5, and the inner side is fixedly connected to the shock absorber, and a clamping device is arranged below the shock absorber, and the clamping device is fixedly connected to the reset device, and the reset device is fixedly connected to the hydraulic power unit 12, The bottom of the hydraulic power unit 12 is fixedly connected to the top of the base 1 .

Wherein, the damping device includes an anvil 3 and a damping spring 4, the inside of the top of the support box 2 is provided with a groove 2-3, the upper ends of several damping springs 4 are fixedly connected to the bottom of the groove 2-3, and the damping spring The lower end of 4 extends to the outside of the groove 2-3, and is fixedly connected with the upper side of the cutting board 3.

Wherein, the clamping device includes a clamping plate 6 and a clamping spring 9, the clamping plate 6 is circular, and a rectangular shearing knife passage opening 7 is provided in the middle of the clamping plate 6, and the clamping plate 6 The lower side is fixedly connected with one end of several clamping springs 9, and the other end of the clamping springs 9 is fixedly connected with the limit ring 10 in the reset device.

Wherein, the reset device includes a limit ring 10 and a return spring 11, the limit ring 10 is ring-shaped, the limit ring 10 is set outside the top member protrusion 25 of the hydraulic power device 12, and passes through the large oil cylinder push rod 26 The limit is fixed, the lower side of the limit ring 10 is fixedly connected to the upper ends of several return springs 11, and the lower end of the return springs 11 is fixedly connected to the annular ear piece 24 of the hydraulic power device 12.

Wherein, the hydraulic power unit 12 includes a hydraulic power unit base 13, a large oil cylinder piston 20, a fuel tank 21, a large oil cylinder 23, an annular ear piece 24, a large oil cylinder ejector rod 26, a seal 27, a small oil cylinder piston 29, a small Oil cylinder piston rod 30, driving lever 31, support rod 33 and small oil cylinder 34, the bottom of the hydraulic power unit base 13 is fixedly connected with the base 1, and the hydraulic power unit base 13 is threadedly connected to the oil tank 21 and the large oil cylinder 23 respectively, so The sealing member 27 is fixedly connected with the upper end of the large oil cylinder 23 by threads, and is sealed and fixed with the upper end of the oil tank 21. The inner wall of the large oil cylinder 23 is slidingly connected with the piston 20 of the large oil cylinder, and the piston 20 of the large oil cylinder is fixedly connected with the lower end of the push rod 26 of the large oil cylinder. The upper end of the large oil cylinder push rod 26 runs through the seal 27 and extends to the outside of the seal 27; the right side of the hydraulic power unit base 13 is provided with a support rod 33 and a small oil cylinder 34, and the inner wall of the small oil cylinder 34 slides with the small oil cylinder piston 29 Connect, the small oil cylinder piston 29 is fixedly connected with the small oil cylinder piston rod 30 lower ends, the small oil cylinder piston rod 30 upper end is hinged with the drive lever 31 left end, and the drive lever 31 center is hinged with the support rod 33.

Wherein, an oil chamber 22 is formed between the oil tank 21 and the large oil cylinder 23, the oil chamber 22 communicates with the small oil cylinder 34 through the oil inlet passage 15, the small oil cylinder 34 communicates with the large oil cylinder 23 through the pressure oil passage 14, and the large oil cylinder 23 communicates with the oil chamber 22 through the oil return passage 17, the oil pressure check valve 16 is arranged on the oil pressure passage 14, the oil inlet check valve 35 is arranged on the oil inlet passage 15, and the oil return passage 17 An oil return valve 18 is arranged on the top, and the left end of the oil return valve 18 extends to the outside of the base 13 of the hydraulic power unit and is connected with the oil return rod 19 .

Wherein, the outer side of the oil tank 21 is fixedly connected with an annular lug 24 , the side of the large oil cylinder 23 is provided with a stop hole 28 , and the right end of the driving lever 31 is covered with a rubber sleeve 32 .

Wherein, the upper end of the push rod 26 of the large oil cylinder is fixedly connected with a top member protrusion 25, and the top of the top member protrusion 25 is fixedly connected with the shearing knife 8, and the shearing knife 8 is located below the shearing knife passage port 7 and inserted into the shearing knife passage port 7. sliding connection.

Wherein, the lower part of the left side of the support box 2 is provided with a reset operation port 2-1, and the upper part is provided with an inlet port 2-2, and the lower part of the right side of the support box 2 is provided with a driving operation port 2-5, and the upper part is provided with an outlet port 2. -4, the oil return rod 19 is located inside the reset operation port 2-1, and the driving handle 31 is set through the drive operation port 2-5.

Wherein, a window glass 37 is installed on the front side of the support box 2 .

Wherein, the cable 36 is set through the wire inlet 2-2 and the wire outlet 2-4 in sequence.

It should be noted that the utility model is a new type of power cable cutting device. When in use, the cable 36 is embedded in the wire inlet 2-2 and the wire outlet 2-4, and the cable 36 is positioned between the cutting board 3 and the wire outlet 2-4. Between the clamping plates 6, the staff holds the rubber sleeve 32 to drive the lever 31 to reciprocate up and down. When the staff presses down the drive lever 31, the piston rod 30 of the small oil cylinder moves upward. At this time, the oil pressure check valve 16 is in the closed state and the oil inlet check valve 35 is in the open state, the hydraulic oil in the oil chamber 22 enters the inside of the small oil cylinder 34 through the oil inlet passage 15, and when the staff lifts the driving handle 31 upwards, the small oil cylinder piston rod 30 moves toward the At this time, the oil pressure check valve 16 is in the open state and the oil inlet check valve 35 is in the closed state, and the hydraulic oil in the small oil cylinder 34 enters the inside of the large oil cylinder 23 through the oil pressure channel 14, so as to push the ejector pin of the large oil cylinder 26 The purpose of jacking up.

During the upward movement of the jack rod 26 of the large oil cylinder, the clamping plate 6 first contacts the cable 36 , and the cable 36 is pressed against the lower surface of the anvil 3 through the clamping plate 6 . The large oil cylinder push rod 26 continues to move upwards, and now the damping spring 4 is in a compressed state, until the cutting board 3 is pressed against the inside of the top of the support box 2, the process of cutting the cable 36 is started. During the cutting process, the push rod 26 of the large oil cylinder continues to move upward until the cable 36 breaks, and the two ends of the cable 36 bounce off the two ends, and the top of the cutting knife 8 contacts the cutting board 3. Under the elastic force of the damping spring 4, Effectively prevent the scissors 8 from directly impacting the support box 2 and causing damage to the device. After the shearing process is completed, the ejector pin 26 of the large oil cylinder reaches the highest position. At this time, the lower end surface of the piston 20 of the large oil cylinder is just flush with the stop hole 28, and the stop hole 28 communicates the oil chamber 22 with the inner side of the large oil cylinder 23, effectively avoiding the The scissors 8 continue to rise and cause damage to the device.

Finally, the oil return rod 19 is pulled, and the oil return valve 18 communicates the oil chamber 22 with the inner side of the large oil cylinder 23, and when the large oil cylinder piston 20 rises, the limit ring 10 rises with the large oil cylinder ejector rod 26, and the return spring 11 is at Stretched state; now the oil return valve 18 connects the oil chamber 22 and the inner side of the large oil cylinder 23, and under the elastic force of the return spring 11, the limit ring 10 is pulled down, and the limit ring 10 drives the large oil cylinder ejector rod 26 to move downward , until the big oil cylinder push rod 26 gets back to the initial position.

What is disclosed above is only a preferred embodiment of the present utility model, and of course it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand all or part of the process of realizing the above-mentioned embodiments, and according to this Equivalent changes made to the claims of the utility model still fall within the scope of the utility model.

Claims (8)

1. a kind of electric power cable clipping apparatus, it is characterised in that: including pedestal, support case, damping device, gripping mechanism, reset Device, handle and hydraulic power unit, pedestal top are fixedly connected with support case, and handle, interior is fixedly connected on the outside of support box top Side is fixedly connected with damping device, is equipped with gripping mechanism below damping device, gripping mechanism is fixedly connected with resetting apparatus, resetting apparatus It is fixedly connected with hydraulic power unit, hydraulic power unit bottom is fixedly connected with pedestal top.

2. a kind of electric power cable clipping apparatus according to claim 1, it is characterised in that: the damping device includes chopping block And damping spring, the support box top inside are equipped with groove, several damping spring upper ends are fixedly connected with bottom portion of groove, damping The lower end of spring extends to outside groove, and is fixedly connected with chopping block upside.

3. a kind of electric power cable clipping apparatus according to claim 1, it is characterised in that: the resetting apparatus includes limit Ring and reset spring, in a ring, the head part protrusion that limit is located on hydraulic power unit is external, and passes through big oil for the stop collar The limit of cylinder mandril is fixed, and the stop collar downside is fixedly connected with several reset spring upper ends, reset spring lower end and hydraulic The cyclic annular auricle of power device is fixedly connected；The gripping mechanism includes head clamp and garter spring, and the head clamp is rounded, It is offered among head clamp and passes through mouth, the fixed company in the head clamp downside and several garter spring one end in the shearing blade of rectangle It connects, the garter spring other end is fixedly connected with the stop collar in resetting apparatus.

4. a kind of electric power cable clipping apparatus according to claim 1, it is characterised in that: the hydraulic power unit includes Hydraulic power unit pedestal, large tank piston, fuel tank, large tank, cyclic annular auricle, large tank mandril, sealing element, small oil tank are living Plug, small oil tank piston rod, driving barre, support rod and small oil tank, the hydraulic power unit base bottom and the fixed company of pedestal It connects, hydraulic power unit pedestal is threadedly coupled fuel tank and large tank, the sealing element and the fixed company of large tank threaded upper ends respectively It connects and is sealed with fuel tank upper end and fixed, the inner wall and large tank piston of the large tank are slidably connected, large tank piston and big oil Cylinder mandril lower end is fixedly connected, and large tank mandril upper end is through sealing element and extends to setting outside sealing element；It is described hydraulic dynamic Support rod and small oil tank are equipped on the right side of power device pedestal, the inner wall and small oil tank piston of small oil tank are slidably connected, small oil tank piston Be fixedly connected with small oil tank piston-rod lower end, small oil tank piston rod upper end and driving barre left end it is hinged, driving barre among and Support rod is hinged.

5. a kind of electric power cable clipping apparatus according to claim 4, it is characterised in that: between the fuel tank and large tank Oil pocket is formd, oil pocket is connected to by oil inlet passage with small oil tank, and small oil tank inside pressure oil passage and large tank by being connected to, greatly Oil cylinder be connected to by drainback passage with oil pocket, and the pressure oil passage is equipped with pressure oil check valve, the oil inlet passage equipped with into Oily check valve, the drainback passage are equipped with oil return valve, and oil return valve left end extends to outside hydraulic power unit pedestal and oil return Bar connection；The support case left lower, which is equipped with, resets operation port, top equipped with incoming line, and support case lower right side is equipped with driving Operation port, top are equipped with line outlet, and oil return bar, which is located at, to be resetted inside operation port, and driving barre is through driving operation port setting.

6. a kind of electric power cable clipping apparatus according to claim 4, it is characterised in that: be fixedly connected on the outside of the fuel tank There is cyclic annular auricle, the large tank side is equipped with stop hole, and the driving barre right end covers rubber sleeve.

7. a kind of electric power cable clipping apparatus according to claim 3 or 4, it is characterised in that: on the large tank mandril End is fixedly connected with head part protrusion, and head part convex top is fixedly connected with shearing blade, and shearing blade is located at shearing blade and passes through below mouth And it is slidably connected with shearing blade by mouth plug-in type.

8. a kind of electric power cable clipping apparatus according to claim 1, it is characterised in that: the support case installed in front has Sight glass.