CN210604144U - Centering device of stainless steel hydraulic testing machine - Google Patents

Abstract

The utility model provides a centering device of a stainless steel water pressure testing machine, which comprises an upper clamp base, an upper clamp, a lower clamp base, an oil cylinder, an upper hinged seat, a hinged telescopic arm, a lower hinged seat and a centering articulated shaft, wherein the upper clamp base is arranged on the upper side of an automatic centering hydraulic machine main body, the upper clamp is arranged on the inner side of the upper clamp base, the upper hinged seat is assembled on the left side and the right side inside the upper clamp base, the lower hinged seat is assembled on the lower side of the upper hinged seat, the hinged telescopic arm is assembled between the upper hinged seat and the lower hinged seat, the centering articulated telescopic arm is assembled on the inner side, the lower clamp is arranged on the lower side of the lower hinged seat, the lower clamp base is assembled on the lower side, the oil cylinder is arranged on the lower clamp base, the design solves the problems that the original stainless steel water pressure testing machine can, and the debugging is convenient.

Description

Centering device of stainless steel hydraulic testing machine

Technical Field

The utility model relates to a stainless steel hydraulic test machine centering device belongs to stainless steel hydraulic test machine technical field.

Background

The hydrostatic testing machine is a device which can meet the pressure resistance, static pressure and explosive property tests of products such as pipe fittings, valves, gas cylinders and the like,

the traditional centering device generally adopts an upper end fixing clamp, and the lower end is lifted to achieve the aim of centering and clamping. Namely, an upper clamp and a lower clamp are adopted, and the lower clamp is lifted by using an oil cylinder to achieve clamping and centering. The following drawbacks exist: 1. the height of the fixing clamp is required to be adjusted to adapt to the new pipe diameter; 2. the adjusting time is long; 3. the centering is not accurate. The existing stainless steel hydraulic pressure testing machine cannot be centered and clamped, is complex to debug, and a centering device of the stainless steel hydraulic pressure testing machine is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stainless steel hydraulic test machine centering device to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the effective centering centre gripping of the stainless steel hydraulic test machine of being convenient for, convenient debugging.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a centering device of a stainless steel hydraulic testing machine comprises an automatic centering hydraulic press main body, an automatic centering mechanism and a pull rod, wherein the pull rod is assembled at the lower side of the automatic centering hydraulic press main body, the automatic centering mechanism is arranged in the automatic centering hydraulic press main body, the automatic centering mechanism comprises an upper clamp base, an upper clamp, an anti-skidding bracket, a lower clamp base, an oil cylinder, an upper hinged seat, a hinged telescopic arm, a lower hinged seat and a centering hinged shaft, the upper clamp base is installed at the upper side of the automatic centering hydraulic press main body, the upper clamp is installed at the inner side of the upper clamp base, the upper hinged seat is assembled at the left side and the right side of the inner part of the upper clamp base, the lower hinged seat is assembled at the lower side of the upper hinged seat, the hinged telescopic arm is assembled between the upper hinged seat and the lower hinged seat, the centering telescopic arm, the lower clamp upside is equipped with anti-skidding bracket, the lower clamp downside is equipped with the lower clamp base, the hydro-cylinder is installed to lower clamp base downside.

Further, the left side and the right side of the upper clamp base are provided with installation seats, and bolt holes are formed in the installation seats.

Furthermore, the centering articulated shaft is internally provided with a rotating shaft, and the left side and the right side of the rotating shaft are connected with the inside of the upper clamp base.

Further, both sides are equipped with the slider around last articulated seat and the articulated seat down, both sides are equipped with the slide rail around going up the inside anchor clamps base, and slide rail and slider phase-match.

Further, the inside telescopic link that is equipped with of lower anchor clamps base, and the telescopic link runs through lower anchor clamps base and is connected with the hydro-cylinder, the oil filler point has been seted up to the terminal surface before the lower anchor clamps base.

Further, articulated flexible arm is equipped with two sets ofly, and two sets of articulated flexible arm specifications are the same, the hydro-cylinder is equipped with two sets ofly, and two sets of hydro-cylinder specifications are the same.

The utility model has the advantages that: the utility model discloses a stainless steel water pressure testing machine centering device, because of the utility model discloses having added anchor clamps base, having gone up anchor clamps, anti-skidding bracket, anchor clamps, lower anchor clamps base, hydro-cylinder, going up articulated seat, articulated flexible arm, articulated seat and centering articulated shaft down, this design can guarantee that the centre gripping centering is accurate, and it is big to adapt to the pipe diameter scope simultaneously, need not adjust repeatedly, has solved the unable centering centre gripping of original stainless steel water pressure testing machine, debugs complicated problem, has improved the utility model discloses a centering centre gripping nature.

Because the left side and the right side of the upper clamp base are provided with the installation bases, and the installation bases are internally provided with the bolt holes, the design is convenient for installing and fixing the upper clamp base, because the centering articulated shaft is internally provided with the rotating shaft, and the left side and the right side of the rotating shaft are connected with the inside of the upper clamp base, the design utilizes the articulated telescopic arm and the centering articulated shaft to enable the upper clamp and the lower clamp to be centered and clamped, because the front side and the rear side of the upper articulated base and the rear side of the lower articulated base are provided with the sliding blocks, the front side and the rear side of the inner part of the upper clamp base are provided with the sliding rails, the design enables the upper clamp and the lower clamp to move flexibly by utilizing the sliding blocks and the sliding rails, because the lower clamp base is internally provided with the telescopic rod, the telescopic rod penetrates through the lower clamp base, the stainless steel hydrostatic testing machine is convenient to effectively center and clamp, and is convenient to debug.

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 a centering device of a stainless steel hydraulic testing machine of the present invention;

FIG. 2 is a schematic structural view of an automatic centering mechanism of a stainless steel hydraulic testing machine of the present invention;

FIG. 3 is a left side sectional view of the centering automatic centering mechanism of the stainless steel hydraulic testing machine of the present invention;

in the figure: 1-automatic centering hydraulic press main body, 2-automatic centering mechanism, 3-pull rod, 21-upper clamp base, 22-upper clamp, 23-antiskid bracket, 24-lower clamp, 25-lower clamp base, 26-oil cylinder, 27-upper hinged base, 28-hinged telescopic arm, 29-lower hinged base and 281-centering hinged shaft.

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: the utility model provides a stainless steel hydraulic test machine centering device, includes automatic centering hydraulic press main part 1, automatic centering mechanism 2 and pull rod 3, and automatic centering hydraulic press main part 1 downside is equipped with pull rod 3, and automatic centering hydraulic press main part 1 is inside to be provided with automatic centering mechanism 2.

The automatic centering mechanism 2 comprises an upper clamp base 21, an upper clamp 22, an anti-skidding support seat 23, a lower clamp 24, a lower clamp base 25, an oil cylinder 26, an upper hinge seat 27, a hinge telescopic arm 28, a lower hinge seat 29 and a centering hinge shaft 281, wherein the upper clamp base 21 is installed on the upper side of the automatic centering hydraulic press main body 1, the upper clamp 22 is installed on the inner side of the upper clamp base 21, the upper hinge seat 27 is installed on the left side and the right side inside the upper clamp base 21, the lower hinge seat 29 is installed on the lower side of the upper hinge seat 27, the hinge telescopic arm 28 is installed between the upper hinge seat 27 and the lower hinge seat 29, the centering hinge shaft 281 is installed on the inner side of the hinge telescopic arm 28, the lower clamp 24 is installed on the lower hinge seat 29, the anti-skidding support seat 23 is installed on the upper side of the lower clamp 24, the lower clamp base 25 is installed on the lower, and debugging the complex problem.

Go up the anchor clamps base 21 left and right sides and be equipped with the mount pad, and the inside bolt hole of having seted up of mount pad, this design is easy to assemble fixed anchor clamps base 21, centering articulated shaft 281 is inside to be equipped with the pivot, and the pivot left and right sides is connected with last anchor clamps base 21 is inside, this design utilizes articulated flexible arm 28 and centering articulated shaft 281 to make go up anchor clamps 22 and 24 centering clamping of lower anchor clamps, go up articulated seat 27 and articulated seat 29 front and back both sides are equipped with the slider down, go up anchor clamps base 21 inside front and back both sides and be equipped with the slide rail, and slide rail and slider phase-match, this design makes go up anchor clamps 22 and 24 nimble movements of lower.

Lower anchor clamps base 25 internal assembly has the telescopic link, and the telescopic link runs through down anchor clamps base 25 and is connected with hydro-cylinder 26, the oil filler point has been seted up to the terminal surface before the anchor clamps base 25 down, this design makes anchor clamps 24 rebound under the telescopic link drives through external hydraulic pressure, and then drive anchor clamps 22 rebound, articulated flexible arm 28 is equipped with two sets ofly, and two sets of articulated flexible arm 28 specifications are the same, hydro-cylinder 26 is equipped with two sets ofly, and two sets of hydro-cylinder 26 specifications are the same, this design effectively makes the steady centre gripping of anchor clamps 22 and lower anchor clamps 24.

As an embodiment of the present invention: the worker firstly installs the upper clamp base 21 and the lower clamp base 25 at the external designated position, the front side of the lower clamp base 25 is connected with the external hydraulic control machine through a hydraulic conduit, the pipeline to be tested is placed between the upper clamp 22 and the lower clamp 24, the external hydraulic control machine injects oil into the oil cylinder 26 through the hydraulic conduit, the telescopic rod at the upper side of the lower clamp base 25 extends and retracts to further drive the lower clamp 24 to move upwards, the lower clamp 24 moves upwards to drive the lower hinge seat 29 to move upwards to further drive the hinge telescopic arm 28 to rotate along the centering hinge shaft 281, the upper hinge seat 27 moves downwards symmetrically to further drive the upper clamp 22 to move downwards through the lever principle, the anti-skid bracket 23 fastens and clamps the pipeline to be tested, the upper clamp 22 and the lower clamp 24 are guaranteed to have the same and synchronous displacement distance to the center, the centering accuracy is guaranteed, and the adaptive pipe diameter range is large, repeated adjustment is not needed, and debugging time is saved.

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 (6)

1. The utility model provides a stainless steel hydraulic test machine centering device, includes automatic centering hydraulic press main part, automatic centering mechanism and pull rod, its characterized in that: the lower side of the automatic centering hydraulic press main body is provided with a pull rod, and an automatic centering mechanism is arranged in the automatic centering hydraulic press main body;

automatic centering mechanism includes anchor clamps base, goes up anchor clamps, anti-skidding bracket, anchor clamps down, anchor clamps base, hydro-cylinder, goes up articulated seat, articulated flexible arm, articulated seat and centering articulated shaft down, automatic centering hydraulic press main part upside install the anchor clamps base go up anchor clamps base inboard and install anchor clamps, go up the inside left and right sides of anchor clamps base and be equipped with articulated seat down, go up articulated seat downside and be equipped with articulated seat down, go up and be equipped with articulated flexible arm between articulated seat and the articulated seat down, articulated flexible arm inboard is equipped with the centering articulated shaft, anchor clamps are installed down to articulated seat downside down, the anchor clamps upside is equipped with anti-skidding bracket down, the anchor clamps downside is equipped with down the anchor clamps base down, the hydro-cylinder is installed to anchor clamps base downside down.

2. The centering device of the stainless steel hydraulic testing machine according to claim 1, characterized in that: the left side and the right side of the upper clamp base are provided with mounting seats, and bolt holes are formed in the mounting seats.

3. The centering device of the stainless steel hydraulic testing machine according to claim 1, characterized in that: the centering articulated shaft is internally equipped with a rotating shaft, and the left side and the right side of the rotating shaft are connected with the interior of the upper clamp base.

4. The centering device of the stainless steel hydraulic testing machine according to claim 1, characterized in that: go up articulated seat and articulated seat front and back both sides down and be equipped with the slider, both sides are equipped with the slide rail around going up the inside anchor clamps base, and slide rail and slider phase-match.

5. The centering device of the stainless steel hydraulic testing machine according to claim 1, characterized in that: the inside telescopic link that is equipped with of lower anchor clamps base, and the telescopic link runs through down the anchor clamps base and is connected with the hydro-cylinder, the oil filler point has been seted up to the terminal surface before the anchor clamps base down.

6. The centering device of the stainless steel hydraulic testing machine according to claim 1, characterized in that: articulated flexible arm is equipped with two sets ofly, and two sets of articulated flexible arm specifications are the same, the hydro-cylinder is equipped with two sets ofly, and two sets of hydro-cylinder specifications are the same.

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