CN111541132A

CN111541132A - Hydraulic pliers

Info

Publication number: CN111541132A
Application number: CN202010364844.XA
Authority: CN
Inventors: 曾小媚
Original assignee: Individual
Current assignee: Lv Danian
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-08-14
Anticipated expiration: 2040-04-30
Also published as: CN111541132B

Abstract

The invention discloses a hydraulic clamp, which structurally comprises a pressing arm, a cutting mechanism, a module, a clamping head and a hydraulic cylinder, wherein the pressing arm is hinged with the hydraulic cylinder, the module is movably clamped with the clamping head, the clamping head is welded with the hydraulic cylinder, the cutting mechanism and the module are of an integrated structure, the sliding block on the cutting mechanism can slide upwards along the outer frame by continuously pushing the module by the hydraulic cylinder, thereby the ring cutting mechanism on the sliding block can cut the multi-strand cable in a surrounding way, the condition that the section of the multi-strand cable is easy to be flattened by the traditional extrusion cutting is avoided, the movable block on the pushing-falling block can slide leftwards along the bottom block by the thrust generated by the cable which is cut in a surrounding way, when the cable is taken down when being cut off, the movable block can be pushed to slide rightwards through the elastic strip for resetting, thereby make scraping mechanism on the movable block can clear away the insulating scurf that the piece upper surface that pushes away dropped melts the adnexed because of being heated.

Description

Hydraulic pliers

Technical Field

The invention relates to the field of hydraulic pressure, in particular to a hydraulic clamp.

Background

Hydraulic tong mainly used cuts the cable to and to the equipment that cable and binding post carried out the crimping, can promote the module on the clamping head through the pneumatic cylinder and move to can cut the cable through the extrusion of two modules, be the common equipment of cable construction trade, based on the above-mentioned description the inventor discovers that present hydraulic tong mainly has following not enough, for example:

because the wires in the multi-strand cable are respectively wrapped in the insulating sheath, the wires in the cable are mutually insulated, when the hydraulic clamp extrudes and shears the multi-strand cable, the sheared part of the multi-strand cable is crushed, so that the wires in the multi-strand cable contact with each other due to extrusion, and when the multi-strand cable is reused, different currents conducted by the wires contact with each other, and the short circuit easily occurs.

Disclosure of Invention

In view of the above problems, the present invention provides a hydraulic clamp.

In order to achieve the purpose, the invention is realized by the following technical scheme: the hydraulic clamp structurally comprises a pressing arm, a cutting mechanism, a module, a clamping head and a hydraulic cylinder, wherein the pressing arm is hinged with the hydraulic cylinder, the module is movably clamped with the clamping head, the clamping head is welded with the hydraulic cylinder, and the cutting mechanism and the module are of an integrated structure.

As a further optimization of the invention, the cutting mechanism comprises an outer frame, a circular cutting mechanism, a sliding block and an elastic strip, wherein the circular cutting mechanism and the sliding block are of an integrated structure, the sliding block is in clearance fit with the outer frame, the elastic strip is arranged at the inner position of the outer frame, and the sliding block is of an arc structure.

As a further optimization of the invention, the circular cutting mechanism comprises a cutter and a frame body, wherein the cutter is fixedly embedded in the position of the right side surface of the frame body, and the top end of the cutter is of a triangular structure.

As a further optimization of the invention, the cutter comprises a cutter head and a cutter face, wherein the cutter head and the cutter face are of an integrated structure, and convex blocks are distributed on the upper surface of the cutter face.

As a further optimization of the invention, the knife face comprises a push-drop block, a rebound piece and a shell, the push-drop block is movably clamped with the shell, the rebound piece is arranged between the push-drop block and the bottom of the inner wall of the shell, and the rebound piece is made of spring steel with strong elasticity.

As a further optimization of the invention, the pushing and dropping block comprises a movable block, a scraping mechanism, a bottom block and an elastic strip, the movable block is movably clamped with the bottom block, the scraping mechanism and the movable block are integrated mechanisms, the elastic strip is installed at the inner position of the bottom block, and the elastic strip is made of a memory metal material with strong elasticity.

As a further optimization of the invention, the scraping mechanism comprises a scraping block, a swinging plate and a resetting plate, the swinging plate is hinged with the scraping block, the resetting plate is installed between the scraping block and the swinging plate, and the resetting plate is of an arc structure.

As a further optimization of the invention, the swinging plate comprises a plate surface, a connecting block and six brush heads, wherein the brush heads are fixedly embedded with the connecting block, the connecting block and the plate surface are of an integrated structure, and the six brush heads are uniformly distributed at the bottom of the connecting block in a fan shape.

The invention has the following beneficial effects:

1. when the module on the clamping head is cutting the cable, can promote the module through pressing arm cooperation pneumatic cylinder and slide right along the clamping head, thereby make the tool bit on the cutter can pierce the inside of stranded cable, and through the continuous promotion of pneumatic cylinder to the module, can make the sliding block on the shutdown mechanism upwards slide along the frame, thereby make the ring cutting mechanism on the sliding block can encircle the stranded cable and cut off, avoided traditional extrusion to cut off the tangent plane with stranded cable squashes easily, lead to the condition that the wire of inside mutual insulation appears contacting each other.

2. Through the thrust that is produced to the movable block on the pushing away the falling block by the cable that is encircleed and cut in, can make the movable block slide left along the bottom block, when taking off when the cable conductor cuts off, can promote the movable block through the elasticity strip and slide right and reset to make scraping mechanism on the movable block can melt adnexed insulating scurf and clear away because of being heated pushing away the falling block upper surface.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic clamp according to the present invention.

FIG. 2 is a schematic top view of the cutting mechanism of the present invention.

FIG. 3 is a schematic top view of the ring cutting mechanism of the present invention.

Fig. 4 is a schematic structural view of the cutter of the present invention.

Fig. 5 is a structural diagram of the side view of the inner part of the blade surface of the invention.

FIG. 6 is a side view of the landing pad of the present invention.

Fig. 7 is a side view of the scraping mechanism of the present invention.

FIG. 8 is a side view of the swing plate of the present invention.

In the figure: the cutting device comprises a pressing arm-1, a cutting mechanism-2, a module-3, a clamping head-4, a hydraulic cylinder-5, an outer frame-21, a ring cutting mechanism-22, a sliding block-23, an elastic strip-24, a cutter-a 1, a frame-a 2, a cutter-a 11, a cutter face-a 12, a push-drop block-b 1, a rebound sheet-b 2, a shell-b 3, a movable block-b 11, a scraping mechanism-b 12, a bottom block-b 13, an elastic strip-b 14, a scraping block-c 1, a swinging plate-c 2, a resetting sheet-c 3, a plate face-c 21, a connecting block-c 22 and a brush head-c 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-5:

the invention provides a hydraulic clamp, which structurally comprises a pressing arm 1, a cutting mechanism 2, a module 3, a clamping head 4 and a hydraulic cylinder 5, wherein the pressing arm 1 is hinged with the hydraulic cylinder 5, the module 3 is movably clamped with the clamping head 4, the clamping head 4 is welded with the hydraulic cylinder 5, and the cutting mechanism 2 and the module 3 are of an integrated structure.

Wherein, shutdown mechanism 2 includes frame 21, circular cutting mechanism 22, sliding block 23, elasticity strip 24, circular cutting mechanism 22 and sliding block 23 structure as an organic whole, sliding block 23 and frame 21 clearance fit, elasticity strip 24 installs in the inside position of frame 21, sliding block 23 is the arc structure, can work as receiving the thrust left of cable, can upwards slide along frame 21 and stretch out.

The circular cutting mechanism 22 comprises a cutter a1 and a frame a2, the cutter a1 is embedded in the right side surface of the frame a2, the top end of the cutter a1 is triangular, the cutter a1 can be inserted into the cable through extrusion of the mechanism, and the cable is cut in a circular mode through sliding of the mechanism.

The cutter a1 comprises a cutter head a11 and a cutter surface a12, the cutter head a11 and the cutter surface a12 are of an integrated structure, and bumps are distributed on the upper surface of the cutter surface a12, so that the contact area between a cut cable and the cutter surface a12 can be reduced.

The knife face a12 comprises a push-down block b1, a rebound piece b2 and a shell b3, the push-down block b1 is movably clamped with the shell b3, the rebound piece b2 is installed between the push-down block b1 and the bottom of the inner wall of the shell b3, the push-down block b1 can slide and contract downwards along the shell b3 through extrusion force generated by a cut cable tangent plane to the push-down block b1, so that the mechanism can normally cut off the cable, the rebound piece b2 is made of spring steel with strong elasticity, the push-down block b1 can be pushed to reset when the mechanism cuts off the cable, the push-down block b1 can separate two cut-off cables, and the phenomenon that static electricity generated by tangent planes of the two cables is adhered together immediately to fall off due to high-voltage cutting is avoided, so that the cutting-off efficiency of the mechanism to the cable is reduced.

The detailed use method and action of the embodiment are as follows:

in the invention, because the wires in the stranded cables are respectively wrapped in the insulating sheaths, the wires in the cables are mutually insulated, when the hydraulic cylinder 5 pushes the module 3 to extrude and cut the stranded cables, the cut parts of the stranded cables are crushed, so that the wires in the stranded cables are contacted by extrusion, and when the stranded cables are reused, different currents conducted by the wires are contacted with each other, and short circuit is easy to occur, the problems can be effectively solved by the cutting mechanism 2 on the module 3, the hydraulic cylinder 5 can push the left module 3 to slide rightwards along the clamping head 4 by repeatedly pressing the pressing arm 1, so that the cutter head a11 on the cutter a1 can penetrate into the stranded cables, and the left module 3 can be continuously pushed by the hydraulic cylinder 5, the sliding block 23 on the left cutting mechanism 2 can slide upwards along the outer frame 21, the ring cutting mechanism 22 on the right cutting mechanism 2 can synchronously perform reverse sliding, so that the cutter a1 on the ring cutting mechanism 22 on the left side can cooperate with the cutter a1 on the right ring cutting mechanism 22 to perform surrounding cutting on the multi-strand cables on the basis that the cutter head a11 penetrates into the cables, the phenomenon that the cut surfaces of the multi-strand cables are easily flattened by a traditional extrusion cutting mode, so that mutually insulated wires in the multi-strand cables are easily contacted with each other due to extrusion, different currents conducted on the wires are easily contacted with each other to cause disconnection and short circuit when the multi-strand cables are reused is effectively avoided, the push-down block b1 can slide and contract downwards along the shell b3 by the thrust generated by the circularly cut multi-strand cable cutting surface to the push-down block b1 on the knife surface a12, and when the extrusion force of the push-down block b1 is lost after the multi-strand cables are cut, the push-down block b1 can be pushed upwards to perform sliding resetting by the return spring piece b 35, therefore, the cut-off sections of the stranded cables at two ends are pushed and separated, the problem that the cut-off sections of two sections of cables cannot fall off immediately due to electrostatic adhesion caused by high-voltage cutting is avoided, and the cutting-off efficiency of the module 3 on the cables is reduced.

Example 2

As shown in fig. 6-8:

wherein, push away falling piece b1 includes movable block b11, scrapes off mechanism b12, bottom block b13, elastic strip b14, movable block b11 and bottom block b13 activity block, scrape mechanism b12 and movable block b11 and be integrated mechanism, elastic strip b14 is installed in bottom block b 13's internal position, and through being cut the cable produce the thrust from the right left to movable block b11, can make movable block b11 slide along bottom block b13 to the left, elastic strip b14 adopts the memory metal material that elasticity is stronger, can push movable block b11 and reset fast when movable block b11 loses the external force extrusion.

Wherein, scraping mechanism b12 includes scraping piece c1, swing board c2, reset piece c3, swing board c2 and scraping piece c1 hinged joint, reset piece c3 installs between scraping piece c1 and swing board c2, when mechanism laminating object upper surface slides, can make the object upper surface be heated and melt adnexed insulating dander and produce the thrust to swing board c2 to make swing board c2 swing left, the institute makes scraping piece c1 lower extreme can scrape the adnexed insulating dander of object upper surface, reset piece c3 is the arc structure, can push swing board c2 and reset after scraping piece c1 and scraping the adnexed insulating dander of object upper surface and finishing.

The swinging plate c2 comprises a plate surface c21, a connecting block c22 and a brush head c23, the brush head c23 is fixedly connected with the connecting block c22 in an embedded mode, the connecting block c22 and the plate surface c21 are of an integrated structure, six brush heads c23 are arranged, the bottoms of the connecting blocks c22 are evenly distributed in a fan shape, and insulating leather scraps on the surface of the mechanism can be swept away in the swinging and resetting process of the plate surface c 21.

The detailed use method and action of the embodiment are as follows:

in the invention, since the insulation sheath of the stranded cable generates fine debris during the surrounding cutting and the outdoor temperature is higher in summer, the debris falling on the pushing-falling block b1 during the surrounding cutting is easy to be heated and melted and is attached to the upper surface of the pushing-falling block b1, the problem that the cut surface of the stranded cable is easy to adhere to the upper surface of the pushing-falling block b1 due to the debris melted by heating when the pushing-falling block b1 pushes the cut stranded cable easily due to long-term accumulation is solved by the movable block b11 on the pushing-falling block b1 and the scraping mechanism b12, the movable block b11 can slide leftwards along the bottom block b13 by the thrust generated by the cable surrounding and cutting on the movable block b11 on the pushing-falling block b1, when the pushing-falling block b1 pushes the cable cutting, the movable block b11 can be pushed rightwards to slide and reset by the elastic strip b14, and the movable block b11 is always attached to the upper surface of the pushing-falling block b1, the scraping mechanism b12 is reversely pushed by the melted debris attached to the upper surface of the pushing-falling block b1, so that the swinging plate c2 on the scraping mechanism b12 can swing leftwards along the scraping block c1, the lower end of the scraping block c1 can scrape the debris attached to the upper surface of the pushing-falling block b1, the situation that the melted insulating skin debris is attached to the upper surface of the pushing-falling block b1 is effectively avoided, when the resetting of the moving block b11 is completed, the resetting piece c3 on the scraping mechanism b12 can push the swinging plate c2 to swing rightwards for resetting, the brush head c23 on the swinging plate c2 can sweep the debris attached to the scraping block c1, and the situation that the debris is attached to the scraping block c1 after the scraping block c1 scrapes the insulating skin debris attached to the pushing-falling block b1 is avoided.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a hydraulic tong, its structure is including pressing arm (1), shutdown mechanism (2), module (3), clamping head (4), pneumatic cylinder (5), press arm (1) and pneumatic cylinder (5) hinged joint, module (3) and clamping head (4) activity block, clamping head (4) and pneumatic cylinder (5) weld mutually its characterized in that: the cutting mechanism (2) and the module (3) are of an integrated structure.

2. A hydraulic clamp according to claim 1, wherein: the cutting mechanism (2) comprises an outer frame (21), a circular cutting mechanism (22), a sliding block (23) and an elastic strip (24), the circular cutting mechanism (22) and the sliding block (23) are of an integrated structure, the sliding block (23) is in clearance fit with the outer frame (21), and the elastic strip (24) is installed at the inner position of the outer frame (21).

3. A hydraulic clamp according to claim 2, wherein: the ring cutting mechanism (22) comprises a cutter (a1) and a frame body (a2), wherein the cutter (a1) is embedded in the position of the right side surface of the frame body (a 2).

4. A hydraulic clamp according to claim 3, wherein: the cutter (a1) comprises a cutting head (a11) and a cutter surface (a12), wherein the cutting head (a11) and the cutter surface (a12) are of an integrated structure.

5. A hydraulic clamp according to claim 4, wherein: the knife face (a12) comprises a push-down block (b1), a rebound piece (b2) and a shell (b3), the push-down block (b1) is movably clamped with the shell (b3), and the rebound piece (b2) is installed between the push-down block (b1) and the bottom of the inner wall of the shell (b 3).

6. A hydraulic clamp according to claim 5, wherein: push away the dropping block (b1) and include movable block (b11), scrape mechanism (b12), end piece (b13), elasticity strip (b14), movable block (b11) and end piece (b13) activity block, scrape mechanism (b12) and movable block (b11) integration mechanism, the inside position in end piece (b13) is installed in elasticity strip (b 14).

7. A hydraulic clamp according to claim 6, wherein: the scraping mechanism (b12) comprises a scraping block (c1), a swinging plate (c2) and a resetting piece (c3), the swinging plate (c2) is hinged with the scraping block (c1), and the resetting piece (c3) is installed between the scraping block (c1) and the swinging plate (c 2).

8. A hydraulic clamp according to claim 7, wherein: the swinging plate (c2) comprises a plate surface (c21), a connecting block (c22) and a brush head (c23), wherein the brush head (c23) is fixedly connected with the connecting block (c22), and the connecting block (c22) and the plate surface (c21) are of an integrated structure.