CN216289430U

CN216289430U - Hydraulic tong convenient to quick change

Info

Publication number: CN216289430U
Application number: CN202122939984.8U
Authority: CN
Inventors: 林滨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-12
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a hydraulic clamp convenient to change rapidly, which comprises a hydraulic clamp main body, wherein a fixed jaw and a movable jaw are arranged on the hydraulic clamp main body, the hydraulic clamp body is also internally provided with a hydraulic cylinder which drives the movable jaw to be meshed with the fixed jaw, the fixed jaw and the movable jaw are hollow, and the opposite sides of the fixed jaw and the movable jaw are provided with fixed plates, the two fixed plates are provided with air suction holes, the air suction holes are respectively communicated with the fixed jaw and the movable jaw, connecting plates are arranged on the two fixed plates, the bottom of the fixed jaw and the bottom of the movable jaw are respectively communicated with a micro air pump, the micro air pumps are used for generating negative pressure so as to adsorb the connecting plates on the surface of the fixed plate through the air suction holes, and the connecting plates can be manually replaced by opening and closing the micro air pumps.

Description

Hydraulic tong convenient to quick change

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a hydraulic clamp convenient to change rapidly.

Background

The hydraulic tong is a professional hydraulic tool that carries out the crimping to cable and binding post in being used for electric power engineering specially, in daily use, need extrude or splice to the cable and binding post of different diameters, for this reason or wholly carry out manual dismantlement and change to the anchor clamps, but the grip block of joint is perhaps designed on anchor clamps, the former wastes time and energy and causes wearing and tearing to the movable jaw and the fixed jaw of hydraulic tong, the latter causes wearing and tearing to the anchor clamps because of long-term dismouting repeatedly, lead to life shorter.

Aiming at the problems, a hydraulic clamp convenient to replace quickly needs to be designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a hydraulic clamp convenient to replace quickly, which aims to solve the problems of time and labor waste and short service life caused by abrasion due to manual disassembly or repeated disassembly and assembly in the process of replacing a clamp.

In order to solve the technical problems, the utility model specifically adopts the following technical scheme: a hydraulic clamp convenient for quick change comprises a hydraulic clamp main body, a fixed jaw and a movable jaw are arranged on the hydraulic clamp main body, the hydraulic clamp body is also internally provided with a hydraulic cylinder which drives the movable jaw to be meshed with the fixed jaw, the fixed jaw and the movable jaw are hollow, and the opposite sides of the fixed jaw and the movable jaw are provided with fixed plates, the two fixed plates are provided with air suction holes, the air suction holes are respectively communicated with the fixed jaw and the movable jaw, connecting plates are respectively arranged on the two fixed plates, clamping blocks which are opposite to each other are respectively arranged on the two connecting plates, the clamping block and the connecting plate are integrally formed, the bottoms of the fixed jaw and the movable jaw are respectively communicated with a micro air pump, the miniature air pump is used for generating negative pressure so as to adsorb the connecting plates on the surface of the fixing plate through the air suction holes.

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

the opposite sides of the fixed jaw and the movable jaw are respectively provided with a fixed plate, the two fixed plates are provided with air suction holes, the air suction holes are respectively communicated with the fixed jaw and the movable jaw, the two fixed plates are respectively provided with a connecting plate, the two connecting plates are respectively provided with opposite clamping blocks, the clamping blocks and the connecting plates are integrally formed, the bottoms of the fixed jaw and the movable jaw are respectively communicated with a micro air pump, the micro air pump is used for generating negative pressure and further adsorbing each connecting plate on the surface of the fixed plate through the air suction holes, when clamps with different specifications need to be used, the micro air pump is closed, the negative pressure disappears, the connecting plates are manually taken down and replaced by the connecting plates and the clamping blocks with different specifications, finally, the micro air pump is opened again, the connecting plates are adsorbed through the negative pressure, and the clamping parts of the clamps do not need to be repeatedly disassembled and assembled, in addition, due to the arrangement of the fixing plate, the connecting plate is prevented from being in direct contact with the fixed jaw and the movable jaw, so that the friction between the connecting plate and the hydraulic pliers is reduced, and the service life of the hydraulic pliers is prolonged.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic clamp facilitating quick change in a preferred embodiment of the utility model;

FIG. 2 is an enlarged partial schematic view of a movable jaw of the preferred embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a fixing plate according to a preferred embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting plate in a preferred embodiment of the utility model.

The reference numbers are as follows:

1. a hydraulic tong body; 11. fixing the jaw; 12. a movable jaw; 2. a visualization window; 3. a fixing plate; 31. a protrusion; 32. a limiting block; 33. a suction hole; 34. a guide strip; 4. a connecting plate; 41. a stair step; 42. a guide groove; 43. pushing and pulling the ball; 5. a clamping block; 6. a micro air pump; 7. an air pump switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1, the present invention provides a technical solution: a hydraulic clamp convenient to replace quickly comprises a hydraulic clamp body 1, wherein a fixed jaw 11 and a movable jaw 12 are arranged on the hydraulic clamp body 1, a hydraulic cylinder 9 for driving the movable jaw 12 and the fixed jaw 11 to be meshed is further arranged in the hydraulic clamp body 1, the fixed jaw 11 and the movable jaw 12 are hollow, fixed plates 3 are arranged on opposite sides of the fixed jaw 11 and the movable jaw 12, suction holes 33 are formed in the two fixed plates 3, the suction holes 33 are respectively communicated with the fixed jaw 11 and the movable jaw 12, connecting plates 4 are respectively arranged on the two fixed plates 3, opposite clamping blocks 5 are respectively arranged on the two connecting plates 4, the clamping blocks 5 and the connecting plates 4 are integrally formed, a micro air pump 6 is further communicated with the bottoms of the fixed jaw 11 and the movable jaw 12, and used for generating negative pressure to adsorb the connecting plates 4 through the suction holes 33 The surface of the fixed plate 3.

In a preferred embodiment of the present invention, as shown in fig. 1, 2, 3, and 4, the fixing plate 3 and the connecting plate 4 are both arc-shaped, and the upper and lower ends of the fixing plate 3 are both provided with protrusions 31 extending inward, so that the connecting plate 4 is sleeved on the concave side of the fixing plate 3, the fixing plate 3 is further provided with a plurality of air suction holes 33, one end of each air suction hole 33 extends to one side of the connecting plate 4, and the other end of each air suction hole 33 is respectively communicated with the fixing jaw 11 or the movable jaw 12, so that when the micro air pump 6 is used, air can be injected into or extracted from the fixing jaw 11 or the movable jaw 12 through the air suction holes 33, so as to release negative pressure or form negative pressure, and further, the connecting plate 4 is fastened through pressure difference.

In the preferred embodiment of the present invention, as shown in fig. 4, the upper and lower ends of the connecting plate 4 are further provided with step steps 41 for matching with the protrusions 31, so as to better enhance the guiding performance of the connecting plate 4 sliding in the fixing plate 3.

In the preferred embodiment of the present invention, as shown in fig. 4, the plurality of air suction holes 33 are distributed in a matrix, so that when the micro air pump 6 draws the air in the fixed jaw 11 and the movable jaw 12 away to form a negative pressure, a stronger suction force can be formed on the connecting plate 4 through the air suction holes 33.

In a preferred embodiment of the present invention, as shown in fig. 3 and 4, two guide bars 34 are fixedly disposed on the concave side of the fixing plate 3, a guide groove 42 is correspondingly disposed on the convex side of the connecting plate 4, and the guide groove 42 is slidably connected with the guide bars 34, so as to further enhance the guidance of the connecting plate 4 by the guide bars 34.

In the preferred embodiment of the present invention, as shown in fig. 1 and 3, one side of the fixed plate 3 facing away from the guide strip 34 is closely attached to one side of the movable jaw 12 or the fixed jaw 11, respectively, so as to prevent air leakage during the process of air extraction from the air suction holes 33.

In the preferred embodiment of the present invention, as shown in fig. 4, the design of integrally forming the clamping block 5 and the connecting plate 4 effectively avoids the shortened service life of the clamping block 5 due to repeated use, and the clamping block 5 can be integrally removed from the connecting plate 4 when being used specifically, and the connecting plate 4 containing another clamping block 5 with different specifications is used instead.

In the preferred embodiment of the present invention, as shown in fig. 4, the connecting plate 4 is fixedly provided with push-pull balls 43 along two sides of the clamping block 5, so as to avoid the slipping when the connecting plate 4 is manually taken and placed, which affects the quick-change efficiency.

In the preferred embodiment of the present invention, as shown in fig. 3, the two protrusions 31 are each fixedly provided with a limiting block 32 at one side, and one end of each of the two limiting blocks 32 extends inward and is higher than the protrusion 31, so that when the connecting plate 4 is manually placed, one end of the connecting plate 4 can directly abut against the limiting block 32, thereby rapidly completing positioning and further improving the efficiency of quick replacement.

In the preferred embodiment of the present invention, as shown in fig. 1, the hydraulic tong body 1 is correspondingly provided with the openable and closable visualization window 2, which is convenient for observing the working conditions of the hydraulic cylinder 9 and the micro air pump 6, and is also convenient for later maintenance.

In the preferred embodiment of the present invention, as shown in fig. 1, an air pump switch 7 is disposed at one side of the micro air pump 6 for manual control.

The working principle is as follows: firstly, the two connecting plates 4 are respectively and rapidly pushed in through the ends of the bulges 31 of the fixed jaw 11 and the movable jaw 12 and are sleeved with the fixed plate 3, thereby effectively avoiding the direct contact between the connecting plates 4 and the hydraulic pliers, prolonging the service life of the hydraulic pliers, then the air pump switch 7 is started to realize the fast assembly of the connecting plate 4 and the clamping block 5, when other clamps with different specifications are required to be taken, only by pressing the air pump switch 7 again, the air pump switch 7 can respectively inject air into the fixed jaw 11 and the movable jaw 12, the air pressure in the fixed jaw 11 and the movable jaw 12 is made the same as the outside, so that the connecting plate 4 is not subjected to the pressure difference any more, thereby facilitating the extraction, and furthermore, because the clamping block 5 and the connecting plate 4 are integrally formed, the rapid-replacement device can not be directly abraded due to frequent use, and can effectively improve the rapid-replacement efficiency and prolong the service life.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a hydraulic tong convenient to quick change, includes hydraulic tong main part (1), be provided with fixed jaw (11) and movable jaw (12) on hydraulic tong main part (1), still be provided with the drive in hydraulic tong main part (1) movable jaw (12) with fixed jaw (11) engaged with pneumatic cylinder (9), its characterized in that: the fixed jaw (11) and the movable jaw (12) are hollow, fixed plates (3) are arranged on the opposite sides of the fixed jaw (11) and the movable jaw (12), air suction holes (33) are formed in the two fixed plates (3), the air suction holes (33) are respectively communicated with the fixed jaw (11) and the movable jaw (12), the two fixed plates (3) are respectively provided with a connecting plate (4), the two connecting plates (4) are respectively provided with a clamping block (5) which are opposite to each other, the clamping block (5) and the connecting plate (4) are integrally formed, the bottoms of the fixed jaw (11) and the movable jaw (12) are respectively communicated with a micro air pump (6), the miniature air pump (6) is used for generating negative pressure so as to adsorb the connecting plates (4) on the surface of the fixing plate (3) through the air suction holes (33).

2. The hydraulic tong convenient to change rapidly according to claim 1, characterized in that: the fixed plate (3) and the connecting plate (4) are all arc-shaped, the upper end and the lower end of the fixed plate (3) are provided with protrusions (31) extending inwards, the connecting plate (4) is sleeved on one side of the inner recess of the fixed plate (3), the fixed plate (3) is further provided with a plurality of air suction holes (33), one ends of the air suction holes (33) extend towards one side of the connecting plate (4), and the other ends of the air suction holes (33) are respectively communicated with the fixed jaw (11) or the movable jaw (12).

3. The hydraulic tong convenient to change rapidly according to claim 2, characterized in that: the plurality of air suction holes (33) are distributed in a matrix.

4. The hydraulic tong convenient to change rapidly according to claim 2, characterized in that: two guide strips (34) are fixedly arranged on one concave side of the fixing plate (3), a guide groove (42) is correspondingly formed in the convex side of the connecting plate (4), and the guide groove (42) is in sliding connection with the guide strips (34).

5. The hydraulic tong convenient to change rapidly according to claim 1, characterized in that: and push-pull balls (43) are fixedly arranged on the connecting plate (4) along two sides of the clamping block (5) respectively.

6. The hydraulic tong convenient to change rapidly according to claim 2, characterized in that: one side of each protrusion (31) is fixedly provided with a limiting block (32), and one end of each limiting block (32) extends inwards and is higher than the corresponding protrusion (31).