CN218297793U

CN218297793U - Flexible butt joint device for pressure-resistant test pipeline

Info

Publication number: CN218297793U
Application number: CN202221962682.0U
Authority: CN
Inventors: 王月阳; 吕航; 吕跃罡; 罗如祥
Original assignee: Nanjing Lichuang Intelligent Equipment Co ltd
Current assignee: Nanjing Lichuang Intelligent Equipment Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-13
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a flexible interfacing apparatus of withstand voltage test pipeline, include: mounting flange, direction subassembly, flexible subassembly and seal assembly, flange's top is pegged graft in mounting flange, is equipped with seal assembly between flange and the mounting flange, and mounting flange is equipped with the direction subassembly with flange's outer wall, the flexible subassembly of mounting flange bottom fixed mounting, flexible subassembly fixed connection flange's top, flexible subassembly drive flange makes straight reciprocating motion along the direction subassembly, the utility model provides a simple structure, sealed effectual, the installation is convenient, clearance adjustable withstand voltage test pipeline flexible interfacing apparatus.

Description

Flexible butt joint device for pressure-resistant test pipeline

Technical Field

The utility model relates to a pipeline equipment field, more specifically relates to a flexible interfacing apparatus of withstand voltage test pipeline.

Background

The interface of the traditional butt joint pressure-resistant test pipeline is a fixed position, when a small part needs to be subjected to pressure-resistant test, the operation is convenient manually, but when the pressure-resistant test is carried out in the face of a large part, because the large part is difficult to adjust the position, the pressure-resistant test interface is completely butt jointed to screw a bolt, the labor is extremely consumed, and the working efficiency is low.

In the prior art, the interface position of the testing device is fixed, so when the testing device is small and needs a voltage-resistant test, if the gap between the testing devices is too large or too small, the gap can be adjusted by moving the to-be-tested part, but the gap is difficult to be adjusted by moving a large-sized part.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to provide a simple structure, sealed effectual, the installation is convenient, clearance adjustable withstand voltage test pipeline flexible docking device.

According to the utility model discloses an aspect provides flexible interfacing apparatus of withstand voltage test pipeline, including mounting flange, direction subassembly, flexible subassembly and seal assembly, flange's top is pegged graft in mounting flange, is equipped with seal assembly between flange and the mounting flange, and mounting flange is equipped with the direction subassembly with flange's outer wall, mounting flange bottom fixed mounting flexible subassembly, and flexible subassembly fixed connection flange's top, flexible subassembly drive flange make straight reciprocating motion along the direction subassembly.

In some embodiments, the guide assembly comprises: the top of the fixed flange is provided with a plurality of mounting holes, the linear guide rails are arranged in the mounting holes, the bottom of the guide rod is fixedly arranged at the bottom of the butt flange, and the linear guide rails are sleeved on the outer wall of the guide rod.

In some embodiments, 6-12 guide assemblies are provided, and the guide assemblies are arranged on the outer wall of the butting flange in an annular array by taking the axial center of the butting flange as a center.

In some embodiments, the telescopic assembly comprises a telescopic cylinder and a connecting seat, the bottom of the telescopic cylinder is fixedly arranged at the bottom of the fixing flange, and the output end of the telescopic cylinder is fixedly connected with the bottom of the butt flange through the connecting seat.

In some embodiments, at least 2 telescopic assemblies are provided, and the telescopic assemblies are regularly arranged along the outer wall of the fixing flange.

In some embodiments, a seal assembly comprises: mounting groove and sealing washer, the mounting groove setting is at the top of flange, and the sealing washer setting is in the mounting groove, and mounting flange's inner wall and mounting groove are connected to the sealing washer.

In some embodiments, 4-6 sealing assemblies are provided, and the sealing assemblies are arranged in parallel and at equal intervals.

Compared with the prior art, the utility model has the advantages of simple structure, good sealing effect, convenient installation and adjustable gap; by utilizing the telescopic assembly, the distance between the fixed flange and the butt flange can be conveniently adjusted so as to adapt to the pressure resistance test of pipe bodies with different gaps; the guide assembly is utilized to facilitate the smooth movement of the butting flange; utilize seal assembly to guarantee the sealed between mounting flange and the counterflange, prevent to cause the result of pipeline withstand voltage test inaccurate because of the clearance between the two.

Drawings

Fig. 1 is a schematic structural view of the flexible docking device for pressure-resistant test pipelines of the present invention;

fig. 2 is a schematic structural diagram of a fixing flange of the flexible butting device for pressure-resistant test pipelines of the present invention;

fig. 3 is a schematic structural view of a docking flange of the flexible docking device for pressure-resistant test pipelines of the present invention;

fig. 4 is a schematic structural diagram of the sealing assembly of the flexible docking device for pressure-resistant testing pipelines of the present invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected" and "connected" should be construed broadly, and may be, for example, mechanically or electrically connected, or connected internally and directly or indirectly through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to the specific situation.

As shown in fig. 1, fig. 2 and fig. 3, the flexible docking device for pressure-resistant test pipeline of the present invention comprises: mounting flange 1, flange 2, direction subassembly 3, flexible subassembly 4 and seal assembly 5, the top of flange 2 is pegged graft in mounting flange 1, be equipped with seal assembly 5 between flange 2 and the mounting flange 1, mounting flange 1 is equipped with direction subassembly 3 with flange 2's outer wall, 1 bottom fixed mounting of mounting flange flexible subassembly 4, the top of 4 fixed connection flange 2 of flexible subassembly, flexible subassembly 4 drive flange 2 makes straight reciprocating motion along direction subassembly 3. By utilizing the telescopic assembly 4, the distance between the fixed flange 1 and the butt flange 2 can be conveniently adjusted so as to adapt to the pressure resistance test of pipe bodies with different gaps; the guide assembly 3 is utilized to facilitate the smooth movement of the butting flange 2; the sealing assembly 5 is used for ensuring the sealing between the fixing flange 1 and the butting flange 2, and the inaccurate result of the pipeline pressure resistance test caused by the gap between the fixing flange and the butting flange is prevented.

The guide assembly 3 includes: the top of fixed flange 1 is equipped with a plurality of mounting holes for guide bar 31 and linear guide 32, and linear guide 32 sets up in the mounting hole, and the bottom of guide bar 31 is fixed to be set up in the bottom of flange 2, and the outer wall at guide bar 31 is established to linear guide 32 cover. Utilize guide bar 31 to slide and then realize that docking flange 2 steadily moves in linear guide 32, the roughness needs to be guaranteed as far as through the finish turning to the outer wall of guide bar 31, guarantees to move smoothly.

The number of the guide assemblies 3 is 6-12, and the guide assemblies 3 are arranged on the outer wall of the butt flange 2 in an annular array by taking the axis of the butt flange 2 as the center. Set up a plurality of direction subassemblies 3 according to the difference of pipe diameter, generally from the angle that can the even movement and practice thrift the cost, be equipped with 6 direction subassemblies 3 and just can satisfy normal operation requirement. The even distribution along the outer wall of the counterflange 2 is also to ensure that the movement of the counterflange 2 is more smooth and steady.

The telescopic assembly 4 comprises: telescopic cylinder 41 and connecting seat 42, the fixed setting in mounting flange 1 bottom in telescopic cylinder 41's bottom, and telescopic cylinder 41's output passes through the bottom of connecting seat 42 fixed connection flange 2. The utility model discloses well telescopic cylinder 41 is power device, provides power for flange 2's removal through telescopic cylinder 41, and telescopic cylinder 41 is formed by two or more piston cylinder suits, and the piston rod hole of preceding one-level piston cylinder is the cylinder of back one-level piston cylinder, can obtain very long working stroke when stretching out, can keep very little structure size during the withdrawal. The extension operation of the telescopic cylinder 41 is performed stepwise, in which the cylinder with the largest diameter starts to extend with the lowest oil pressure first, and after reaching the stroke end, the cylinder with the slightly smaller diameter starts to extend, and the last stage with the smallest diameter finally extends. Along with the increase of the working stage number, the diameter of the cylinder extension cylinder becomes smaller and smaller, and the working speed becomes faster. The telescopic cylinder 41 has good retentivity after defining the telescopic position, and can ensure the completion of the pressure resistance test.

The number of the telescopic assemblies 4 is at least 2, and the telescopic assemblies 4 are regularly arranged along the outer wall of the fixing flange 1. If to being equipped with a flexible subassembly 4, because unilateral atress leads to the 2 cards of docking flange in mounting flange 1 very easily when promoting docking flange 2, remove unstably, consequently need 2 flexible subassemblies 4 at least to be able to guarantee that docking flange 2 removes smoothly. When 2 telescopic assemblies 4 are arranged, the telescopic assemblies are symmetrically arranged on the outer wall of the fixed flange 1; when the number of the telescopic assemblies 4 is 2, the telescopic assemblies should be uniformly distributed on the outer wall of the fixing flange 1.

As shown in fig. 4, the seal assembly 5 includes: the mounting groove 51 is arranged at the top of the butt flange 2, the sealing ring 52 is arranged in the mounting groove 51, and the sealing ring 52 is connected with the inner wall of the fixing flange 1 and the mounting groove 51. The sealing assembly 5 is used for preventing the gap between the fixed flange 1 and the butting flange 2 from being communicated with the outside, the mounting groove 51 is used for placing the sealing ring 52, and the sealing ring 52 is extruded to realize the filling of the Jin Jianxi of the fixed flange 1 and the butting flange 2.

4-6 sealing assemblies 5 are arranged, and the sealing assemblies 5 are arranged in parallel and are equally spaced. The sealing effect is improved conveniently by arranging a plurality of sealing assemblies 5.

The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.

Claims

1. Flexible interfacing apparatus of withstand voltage test pipeline, its characterized in that includes: the top of the butt flange is inserted into the fixed flange, the sealing assembly is arranged between the butt flange and the fixed flange, the guide assemblies are arranged on the outer walls of the fixed flange and the butt flange, the telescopic assembly is fixedly mounted at the bottom of the fixed flange and fixedly connected with the top of the butt flange, and the telescopic assembly drives the butt flange to do linear reciprocating motion along the guide assemblies.

2. The flexible docking device of claim 1, wherein the guide assembly comprises: the guide rod and the linear guide rail, the top of mounting flange is equipped with a plurality of mounting holes, linear guide rail sets up in the mounting hole, the fixed bottom that sets up at the flange in bottom of guide rod, the outer wall at the guide rod is established to the linear guide way cover.

3. The flexible docking device for pressure-resistant test pipelines according to claim 2, wherein 6 to 12 guide assemblies are arranged, and the guide assemblies are arranged on the outer wall of the docking flange in an annular array by taking the axis of the docking flange as a center.

4. The flexible docking device of claim 1, wherein the telescoping assembly comprises: the bottom of the telescopic cylinder is fixedly arranged at the bottom of the fixing flange, and the output end of the telescopic cylinder is fixedly connected with the bottom of the butt flange through the connecting seat.

5. The flexible docking device for pressure-withstanding test pipelines according to claim 4, wherein at least 2 telescopic assemblies are provided, and the telescopic assemblies are regularly arranged along the outer wall of the fixed flange.

6. The flexible docking device of claim 4, wherein the seal assembly comprises: mounting groove and sealing washer, the mounting groove sets up the top at flange, the sealing washer sets up in the mounting groove, flange's inner wall and mounting groove are connected to the sealing washer.

7. The flexible docking device for pressure-resistant test pipelines according to claim 6, wherein the number of the sealing assemblies is 4-6, and the sealing assemblies are arranged in parallel and are equally spaced.