CN203091577U

CN203091577U - Petroleum pipeline necking jig

Info

Publication number: CN203091577U
Application number: CN 201320049920
Authority: CN
Inventors: 黄俊斌; 张扩军; 谭曙光; 龙文栋; 唐亮亮
Original assignee: HENGYANG HONGLING PETROLEUM PIPE CO Ltd
Current assignee: HENGYANG HONGLING PETROLEUM PIPE CO Ltd
Priority date: 2013-01-30
Filing date: 2013-01-30
Publication date: 2013-07-31
Anticipated expiration: 2023-01-30

Abstract

A petroleum pipeline necking jig comprises a fixed part and a movable part, wherein the fixed part comprises a lower jig and lower jig moving blocks, the lower jig is in an arc shape, the left side the right side of the lower jig are respectively provided with a lower jig moving block, the lower jig and the two lower jig moving blocks together form a semi-circle, and limit grooves are arranged in the front faces of the lower jig moving blocks. The movable part comprises an upper jig and upper jig moving blocks, the upper jig is the same as the lower jig in structure, the upper jig moving blocks are the same as the lower jig moving blocks in structure, the semi-circular fixed part and the semi-circular movable part form a circle, and the moving part is arranged on the fixed part. Concentric circular protrusions of the lower jig moving blocks are clamped in concentric circular grooves of the upper jig moving blocks, and concentric circular protrusions of the upper jig moving blocks are clamped in concentric circular grooves of the lower jig moving blocks. A cylinder only controls the movable part to vertically move, and therefore control is simple.

Description

A kind of petroleum pipeline reducing anchor clamps

Technical field

The utility model relates to the steel pipe's production manufacture field, particularly a kind of petroleum pipeline reducing anchor clamps.

Background technology

In the process of manufacture of petroleum pipeline, need handle the port of petroleum pipeline, this just need fix petroleum pipeline, the fixing general anchor clamps that adopt of petroleum pipeline fix, for fixing of bigbore petroleum pipeline, it is a difficult problem of production and processing pipeline always, existing technology generally is the branch anchor clamps with six arcs, form toroidal, draw close to pipeline from six direction respectively, reach the purpose of fixed-piping, such mode, the control system complexity, and six arc fixed supports bed knife that pipeline is applied differ to, can have influence on the ovality of pipeline.

Summary of the invention

The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and a kind of petroleum pipeline reducing anchor clamps are provided, and it is the anchor stone oil-piping easily, and does not influence the ovality of petroleum pipeline.

The technical solution of the utility model is: a kind of petroleum pipeline reducing anchor clamps, it comprises standing part and movable part.

Described standing part comprises: lower clamp, the lower clamp movable block, lower clamp is a circular shape, two limits respectively are equipped with a lower clamp movable block about lower clamp, lower clamp and semi-circular shape of two the common formation of lower clamp movable block, have fixedly aperture of a plurality of lower clamps on the lower clamp, the intrados of lower clamp partly is following big, above little shape, the intrados part is by the lower clamp orthodrome, little circular arc of lower clamp and lower clamp transition arcs are formed, be connected with the lower clamp transition arcs between the little circular arc of lower clamp orthodrome and lower clamp, have locating hole on lower clamp and the contacted plane of lower clamp movable block, the front of lower clamp movable block has limited impression, the movable block projection is arranged on the joint face of lower clamp movable block and lower clamp, the movable block projection is cylindrical, on the columniform movable block projection spring is installed, the movable block projection is installed in the locating hole with spring, on the last plane of lower clamp movable block the concentric circles projection is arranged, the concentric circles groove.

Described movable part comprises: go up anchor clamps, go up the anchor clamps movable block, the structure of last anchor clamps is finished identical with the structure of lower clamp, the structure of last anchor clamps movable block is finished identical with the structure of lower clamp movable block, two limits respectively are equipped with one and go up the anchor clamps movable block about last anchor clamps, last anchor clamps with about the semi-circular shape of last anchor clamps movable block formation on two limits.

The standing part of semi-circular shape and the movable part of semi-circular shape form a circle, movable part is positioned at the top of standing part, the concentric circles projection of lower clamp movable block is stuck in the anchor clamps movable block concentric circles groove, and the concentric circles projection of last anchor clamps movable block is stuck in the lower clamp movable block concentric circles groove.

The utility model compared with prior art has following characteristics: engaging between lower clamp movable block and concentric circles above last anchor clamps movable block projection and the concentric circles groove, guaranteed that the standing part of semi-circular shape and the movable part of semi-circular shape form a circle, and the center of circle of two parts overlaps, guaranteed the clamping force all directions of petroleum pipeline port all identical, the bascule of lower clamp movable block, make when petroleum pipeline takes out more convenient, cylinder is only controlled movable part and is moved up and down, and control is simple like this.

Below in conjunction with the drawings and specific embodiments detailed structure of the present utility model is further described.

Description of drawings

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is the A-A cutaway view of accompanying drawing 1;

Accompanying drawing 3 is the enlarged drawing of movable block;

Accompanying drawing 4 is the structural representation of lower clamp;

Accompanying drawing 5 is the vertical view of accompanying drawing 4.

The specific embodiment

As shown in drawings: a kind of petroleum pipeline reducing anchor clamps, it comprises standing part and movable part.

Described standing part comprises: lower clamp 1, lower clamp movable block 2, lower clamp 1 is a circular shape, two limits respectively are equipped with a lower clamp movable block 2 about lower clamp 1, lower clamp 1 and semi-circular shape of two lower clamp movable block 2 common formation, have fixedly aperture 1-1 of a plurality of lower clamps on the lower clamp 1, the intrados of lower clamp 1 partly is following big, above little shape, the intrados part is by lower clamp orthodrome 1-3, lower clamp roundlet arc 1-4 and lower clamp transition arcs 1-2 form, be connected with lower clamp transition arcs 1-2 between lower clamp orthodrome 1-3 and the lower clamp roundlet arc 1-4, have locating hole 1-5 on lower clamp 1 and the lower clamp movable block 2 contacted planes, the front of lower clamp movable block 2 has limited impression 2-1, movable block projection 2-4 is arranged on the joint face of lower clamp movable block 2 and lower clamp 1, movable block projection 2-4 is cylindrical, on the columniform movable block projection 2-4 spring 5 is installed, movable block projection 2-4 and spring 5 are installed in the locating hole 1-5, and concentric circles projection 2-2 is arranged on the last plane of lower clamp movable block 2, concentric circles groove 2-3.

Described movable part comprises: go up anchor clamps 4, go up anchor clamps movable block 3, the structure of last anchor clamps 4 is finished identical with the structure of lower clamp 1, the structure of last anchor clamps movable block 3 is finished identical with the structure of lower clamp movable block 2, two limits respectively are equipped with one and go up anchor clamps movable block 3 about last anchor clamps 4, last anchor clamps 4 with about the semi-circular shape of last anchor clamps movable block 3 formation on two limits.

The standing part of semi-circular shape and the movable part of semi-circular shape form a circle, movable part is positioned at the top of standing part, the concentric circles projection 2-2 of lower clamp movable block 2 is stuck in the anchor clamps movable block 3 concentric circles grooves, and the concentric circles projection of last anchor clamps movable block 3 is stuck in the lower clamp movable block 2 concentric circles groove 2-3.

Operation principle of the present utility model and using method are: standing part is fixed on the support, movable part is connected on the cylinder, cylinder drives movable part and moves up and down, when needs clamp petroleum pipeline, movable part moves downward, engaging between lower clamp movable block 2 and concentric circles projection above the last anchor clamps movable block 3 and the concentric circles groove, guaranteed that the standing part of semi-circular shape and the movable part of semi-circular shape form a circle, and the center of circle of two parts overlaps, guaranteed the clamping force all directions of petroleum pipeline port all identical, movable part moves upward when needs take out petroleum pipeline, standing part separates with movable part, the movable block projection guarantees to go up anchor clamps movable block 3 with last anchor clamps 4 motions, limited impression 2-1 can be used for limiting the range of movement of anchor clamps movable block 3, the bascule of lower clamp movable block 2 makes when petroleum pipeline takes out more convenient.

Claims

1. petroleum pipeline reducing anchor clamps, it is characterized in that: it comprises standing part and movable part; Standing part comprises: lower clamp, the lower clamp movable block, lower clamp is a circular shape, two limits respectively are equipped with a lower clamp movable block about lower clamp, lower clamp and semi-circular shape of two the common formation of lower clamp movable block, have fixedly aperture of a plurality of lower clamps on the lower clamp, the intrados of lower clamp partly is following big, above little shape, the intrados part is by the lower clamp orthodrome, little circular arc of lower clamp and lower clamp transition arcs are formed, be connected with the lower clamp transition arcs between the little circular arc of lower clamp orthodrome and lower clamp, have locating hole on lower clamp and the contacted plane of lower clamp movable block, the front of lower clamp movable block has limited impression, the movable block projection is arranged on the joint face of lower clamp movable block and lower clamp, the movable block projection is cylindrical, on the columniform movable block projection spring is installed, the movable block projection is installed in the locating hole with spring, on the last plane of lower clamp movable block the concentric circles projection is arranged, the concentric circles groove; Movable part comprises: go up anchor clamps, go up the anchor clamps movable block, the structure of last anchor clamps is finished identical with the structure of lower clamp, the structure of last anchor clamps movable block is finished identical with the structure of lower clamp movable block, two limits respectively are equipped with one and go up the anchor clamps movable block about last anchor clamps, last anchor clamps with about the semi-circular shape of last anchor clamps movable block formation on two limits; The standing part of semi-circular shape and the movable part of semi-circular shape form a circle, movable part is positioned at the top of standing part, the concentric circles projection of lower clamp movable block is stuck in the anchor clamps movable block concentric circles groove, and the concentric circles projection of last anchor clamps movable block is stuck in the lower clamp movable block concentric circles groove.