CN211491587U

CN211491587U - Automatic hydraulic expansion claw

Info

Publication number: CN211491587U
Application number: CN201922468772.9U
Authority: CN
Inventors: 李岩; 杨国强
Original assignee: Jilin Keruize Electromechanical Equipment Co ltd
Current assignee: Jilin Keruize Electromechanical Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model provides an automatic fluid pressure type claw that rises, including piston, hydro-cylinder, jar seat, mounting panel, pull rod, spacing ring, spring and connecting rod, plectane left end face intermediate position is fixed with jar seat, and jar seat left end face is equipped with the hydro-cylinder, and the piston is installed to the hydro-cylinder left end face, installs the connecting rod between fixed plate and the plectane, installs the pull rod between connecting rod and the connecting rod, and pull rod annular side-mounting has the spacing ring, and pull rod annular side left side cover is equipped with the spring, and the mounting panel is fixed at the plectane right-hand member face, and the card hand passes through the mounting panel and is fixed mutually with the plectane, and the problem of the inconvenient chucking of.

Description

Automatic hydraulic expansion claw

Technical Field

The utility model discloses an automatic fluid pressure type claw that rises belongs to tubular product technical field.

Background

The pipe is a necessary material for building engineering, and commonly used materials comprise a water supply pipe, a water discharge pipe, a gas pipe, a heating pipe, an electric wire conduit, a rainwater pipe and the like. With the development of science and technology, the pipes used in home decoration also go through the development process of common cast iron pipes → cement pipes → (reinforced concrete pipes, asbestos cement pipes) → (nodular cast iron pipes, galvanized steel pipes → plastic pipes and aluminum-plastic composite pipes, and the pipes are the materials used for making pipe fittings. Different pipes are used for different pipe fittings, and the quality of the pipes directly determines the quality of the pipe fittings.

The existing pipe is inconvenient to clamp, the pipe is generally clamped by the outer surface of the clamped pipe, tools for clamping the inner wall of the pipe are rarely arranged on the market, the clamping applicability of some inner walls is poor, the pipe is not suitable for pipes with multiple specifications, and the problem that the pipe is clamped by the automatic hydraulic expansion claw is urgently needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an automatic fluid pressure type claw that rises to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, make things convenient for tubular product inner wall chucking, the suitability is high.

In order to achieve the above purpose, the present invention is realized by the following technical solution: automatic fluid pressure type claw that rises, including fixed plate, hydraulic pressure claw chucking subassembly, plectane and card hand that rises, the plectane is installed on the fixed plate right side, the card hand is installed to plectane right-hand member face, be provided with the hydraulic pressure claw chucking subassembly that rises between fixed plate and the plectane, the hydraulic pressure claw chucking subassembly that rises includes piston, hydro-cylinder, jar seat, mounting panel, pull rod, spacing ring, spring and connecting rod, plectane left end face intermediate position is fixed with the jar seat, jar seat left end face is equipped with the hydro-cylinder, the piston is installed to the hydro-cylinder left end face, install the connecting rod between fixed plate and the plectane, install the pull rod between connecting rod and the connecting rod, pull rod annular side installs the spacing ring, pull rod annular side left side cover is equipped with the spring, the mounting panel.

Further, the diameter of the spring is smaller than that of the limiting ring.

Furthermore, the annular side surface of the limiting ring is provided with an internal thread in an engraved manner, the annular side surface of the pull rod is provided with an external thread in an engraved manner, and the external thread is meshed with the internal thread.

Furthermore, a through hole is formed in the fixing plate, and the aperture of the through hole is slightly larger than the diameter of the pull rod.

Furthermore, a guide ring is installed on the left end face of the fixing plate, and the pull rod penetrates through the guide ring.

Furthermore, the connecting rods are provided with a plurality of groups, the specifications of the plurality of groups of connecting rods are the same, and the specifications of the plurality of groups of pull rods are the same.

The utility model has the advantages that: the utility model discloses an automatic fluid pressure type claw that rises, because of the utility model discloses added piston, hydro-cylinder, jar seat, mounting panel, pull rod, spacing ring, spring and connecting rod, this design is convenient carries out the chucking to the tubular product inner wall through the card hand, has solved the problem of the inconvenient chucking of original tubular product, has improved the utility model discloses a chucking convenience.

Because of the spring diameter is less than the spacing ring diameter, conveniently restrict compression spring, be equipped with the internal thread because of spacing intra-annular side is carved, pull rod annular side is carved and is equipped with the external screw thread, and external screw thread and internal thread mesh mutually, through thread engagement, make things convenient for the spacing ring to install in pull rod annular side, because of the inside through-hole of having seted up of fixed plate, and the through-hole aperture slightly is greater than the pull rod diameter, make things convenient for the pull rod to pass the fixed plate, install the guide ring because of the fixed plate left end face, the pull rod runs through the guide ring, increases the mobility stability of pull rod, the utility model.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the automatic hydraulic expansion claw of the present invention;

fig. 2 is a schematic structural view of a hydraulic expansion claw clamping assembly in the automatic hydraulic expansion claw of the present invention;

fig. 3 is a right side view of the hydraulic expansion claw clamping assembly in the automatic hydraulic expansion claw of the present invention;

in the figure: 1-fixing plate, 2-hydraulic expansion claw clamping assembly, 3-round plate, 4-clamping hand, 21-piston, 22-oil cylinder, 23-cylinder seat, 24-mounting plate, 25-pull rod, 26-limit ring, 27-spring and 28-connecting rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: automatic fluid pressure type claw that rises, including fixed plate 1, hydraulic pressure claw chucking subassembly 2 that rises, plectane 3 and card hand 4, plectane 3 is installed on fixed plate 1 right side, and 3 right-hand members of plectane face install card hand 4, are provided with hydraulic pressure claw chucking subassembly 2 that rises between fixed plate 1 and the plectane 3.

The hydraulic expansion claw clamping assembly 2 comprises a piston 21, an oil cylinder 22, a cylinder seat 23, a mounting plate 24, a pull rod 25, a limiting ring 26, a spring 27 and a connecting rod 28, the cylinder seat 23 is fixed at the middle position of the left end face of the circular plate 3, the oil cylinder 22 is assembled on the left end face of the cylinder seat 23, the piston 21 is installed on the left end face of the oil cylinder 22, the connecting rod 28 is installed between the fixing plate 1 and the circular plate 3, the pull rod 25 is installed between the connecting rod 28 and the connecting rod 28, the limiting ring 26 is installed on the annular side face of the pull rod 25, the spring 27 is sleeved on the left side of the annular side face of the pull rod 25, the mounting plate 24 is fixed on the right end face.

Spring 27 diameter is less than spacing ring 26 diameter, conveniently restrict compression spring 27, annular side is carved with and is equipped with the internal thread in the spacing ring 26, pull rod 25 annular side is carved with the external screw thread, and external screw thread and internal thread mesh mutually, through thread engagement, make things convenient for spacing ring 26 to install in pull rod 25 annular side, the through-hole has been seted up to fixed plate 1 inside, and the through-hole aperture slightly is greater than pull rod 25 diameter, make things convenient for pull rod 25 to pass fixed plate 1, the guide ring is installed to 1 left end face of fixed plate, pull rod 25 runs through the guide ring, increase pull rod 25's stability in movement, connecting rod 28 is equipped with the multiunit, and multiunit connecting rod 28 specification is the same, pull rod 25 is equipped with.

As an embodiment of the present invention: when tubular product needs the chucking, the staff will block hand 4 and tubular product and contact, the switch of hydro-cylinder 22 can be touched to the tubular product terminal surface, hydro-cylinder 22 begins to move this moment, and then can promote piston 21, piston 21 further promotes pull rod 25, pull rod 25 drives 4 right sides of calorie of hand and removes, spring 27 atress shrink between fixed plate 1 and the spacing ring 26 this moment, after calorie of hand 4 removes to the assigned position, the staff makes calorie of hand 4 parallel outer bloated, thereby the inner wall of chucking tubular product, this design adopts parallel outer calorie of hand 4, increase 4 area of contact of calorie of hand, increase frictional force, it is more firm to make to snatch tubular product.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Automatic fluid pressure type claw that rises, including fixed plate, hydraulic pressure claw chucking subassembly that rises, plectane and card hand, its characterized in that: a circular plate is mounted on the right side of the fixed plate, a clamping hand is mounted on the right end face of the circular plate, and a hydraulic expansion claw clamping assembly is arranged between the fixed plate and the circular plate;

the hydraulic expansion claw clamping assembly comprises a piston, an oil cylinder, a cylinder base, an installation plate, a pull rod, a limiting ring, a spring and a connecting rod, wherein the cylinder base is fixed at the middle position of the left end face of the circular plate, the oil cylinder is assembled on the left end face of the cylinder base, the piston is installed on the left end face of the oil cylinder, the connecting rod is installed between the fixed plate and the circular plate, the pull rod is installed between the connecting rod and the connecting rod, the limiting ring is installed on the annular side face of the pull rod, the spring is sleeved on the left side of the annular side face of the pull rod, the installation plate is fixed on.

2. The automatic hydraulic expansion claw according to claim 1, wherein: the diameter of the spring is smaller than that of the limiting ring.

3. The automatic hydraulic expansion claw according to claim 1, wherein: the inner thread is carved on the annular side face of the limiting ring, the outer thread is carved on the annular side face of the pull rod, and the outer thread is meshed with the inner thread.

4. The automatic hydraulic expansion claw according to claim 1, wherein: a through hole is formed in the fixing plate, and the aperture of the through hole is slightly larger than the diameter of the pull rod.

5. The automatic hydraulic expansion claw according to claim 1, wherein: the left end face of the fixed plate is provided with a guide ring, and the pull rod penetrates through the guide ring.

6. The automatic hydraulic expansion claw according to claim 1, wherein: the connecting rods are provided with a plurality of groups, the specifications of the plurality of groups of connecting rods are the same, and the specifications of the plurality of groups of pull rods are the same.