CN112503276B - Directional detaching device for butting flange - Google Patents
Directional detaching device for butting flange Download PDFInfo
- Publication number
- CN112503276B CN112503276B CN202110166058.3A CN202110166058A CN112503276B CN 112503276 B CN112503276 B CN 112503276B CN 202110166058 A CN202110166058 A CN 202110166058A CN 112503276 B CN112503276 B CN 112503276B
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- plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- General Engineering & Computer Science (AREA)
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- Clamps And Clips (AREA)
Abstract
The invention discloses a directional detaching device for a butt flange, and relates to the technical field of mechanical detaching devices. The invention comprises a clamping guide frame which is clamped and installed on a pipeline flange part; one end of the clamping guide frame is provided with a first flange positioning component used for clamping a pipeline flange on one side; the other end of the clamping guide frame is in sliding fit with a second flange positioning component used for clamping a pipeline flange on the other side; an opening assembly used for expanding two adjacent flanges is slidably matched on the clamping guide frame and is positioned between the first flange positioning assembly and the second flange positioning assembly; and the second flange positioning assembly is in threaded connection with four distraction screws, and one end of the distraction screw is abutted to the clamping guide frame. The flange plates of the pipelines on one side are respectively clamped by the first flange positioning assembly and the second flange positioning assembly, the opening screw rod plays a role in supporting and increasing the distance between the two pipeline flange plates, and the directional detaching device for the abutting flange plates is integrally matched, so that the operation is quick and convenient.
Description
Technical Field
The invention belongs to the technical field of mechanical disassembling devices, and particularly relates to a directional disassembling device for a butt flange.
Background
The pipeline conveying mode is mostly adopted in gas conveying, water conveying and industrial raw material conveying, and the pipeline conveying has the characteristic of long-time-effect stable conveying. But pipeline length is longer, and the maintenance and repair degree of difficulty is great, need hold back evacuation aftertreatment to local pipe connection section in local maintenance process, and the mode of current evacuation is mostly to cut off, or the trompil is handled, and the problem of existence leaves the potential safety hazard after just welding again to and cause the pollution to pipeline inside in welding process, be unfavorable for the pipeline to excrete the maintenance operation. When devices such as a meter and the like are installed in the later stage of the existing pipeline, the pipeline needs to be cut off, then the flange is welded again, the meter is installed at the newly manufactured position, the whole operation process is long, and the process is complex. Therefore, the present disclosure provides a directional detaching device for a docking flange, which can be used to open a connection flange of a pipeline for drainage, and can be used to conveniently install a meter and other devices, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a directional detaching device for a butt flange, which is characterized in that a flange plate of a pipeline at one side is respectively clamped by a first flange positioning component and a second flange positioning component, a spreading screw rod plays a role in supporting and increasing the distance between two pipeline flange plates, the device is integrally matched with the directional detaching device for the butt flange plate, the operation is rapid and convenient, and the existing problems are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a directional detaching device for a butt flange, which comprises a clamping guide frame clamped and installed on a pipeline flange part; one end of the clamping guide frame is provided with a first flange positioning assembly used for clamping a pipeline flange on one side; the other end of the clamping guide frame is in sliding fit with a second flange positioning assembly used for clamping a pipeline flange on the other side; the clamping guide frame is slidably matched with an opening assembly used for expanding two adjacent flanges, and the opening assembly is positioned between the first flange positioning assembly and the second flange positioning assembly; four distraction screws are in threaded connection with the second flange positioning assembly, and one end of each distraction screw is abutted against the clamping guide frame; the clamping guide frame comprises four cylindrical guide rods with axes on the same ring surface; a first base plate is fixed on the peripheral side surface of the right end part of the four cylindrical guide rods; a limiting ring plate is arranged on the peripheral side surface of the cylindrical guide rod and between the end surface and the first base plate; a first bayonet used for clamping a pipeline is arranged between two adjacent cylindrical guide rods of the first base plate; four rectangular blocks which are arranged corresponding to the four cylindrical guide rods are fixed on the peripheral side surface of the first base plate; the side face of the rectangular block, which is opposite to the opening assembly, is provided with a cylindrical notch which is in running fit with the distraction screw rod; the middle parts of two adjacent rectangular blocks on the peripheral side surface of the first base plate are provided with first rectangular notches; the first flange positioning assembly and the second flange positioning assembly comprise synchronous clamping plate assemblies, four hook claws used for clamping the flange plate and adjusting bolts used for connecting the synchronous clamping plate assemblies with the hook claws.
Furthermore, the synchronous clamping plate assembly comprises four arc-shaped plates which are connected end to form a ring; the two ends of the arc-shaped plate are provided with first round through holes in sliding fit with the cylindrical guide rods; the middle part of the outer arc surface of the arc plate is provided with a rectangular guide groove matched with the hook claw; a first threaded hole matched with the adjusting bolt is formed in the middle of the side face of the arc-shaped plate; the left side face of one end of the arc-shaped plate and the right side face of the other end of the arc-shaped plate are respectively provided with a first matching table top and a second matching table top which are matched with each other.
Furthermore, the hook claw comprises a rectangular plate for telescopically adjusting the buckling length; the end part of the rectangular plate is fixedly connected with a buckle claw for clamping the flange plate; and a threaded hole plate matched with the adjusting bolt is fixed on the lower side surface of the buckling claw.
Further, the second flange positioning assembly further comprises a second annular base plate; a second bayonet communicated with the inside of the second base plate is formed in the peripheral side surface of the second base plate; the surface of the second base plate is provided with four guide sliding holes in sliding fit with the cylindrical guide rod; four internal thread sleeves in threaded connection with the distraction screw rod are fixed on the peripheral side face of the second base plate; a second rectangular notch matched with the hook claw is formed in the peripheral side surface of the second base plate and between two adjacent internal thread sleeves; the side of the adjacent synchronous cardboard subassembly of second base plate is located and all offers between two adjacent internal thread cover with adjusting bolt tip complex circular slot.
Furthermore, the opening assembly comprises four expanding devices which are connected end to end and are in sliding fit with the four cylindrical guide rods; the expander comprises a quarter of circular arc plate; two ends of the arc plate are provided with second circular through holes in sliding fit with the cylindrical guide rods; the left side surface of one end and the right side surface of the other end are respectively provided with a third matching table top and a fourth matching table top which are matched with each other; spiral screw rods penetrate through the positions, close to the second circular through holes, of the two ends of the circular arc plate from the outer arc surface to the inner arc surface; the spiral screw rod is positioned on the inner side of the circular arc plate to fix the cone; and a wrench is arranged at the other end of the screw rod.
Further, the distraction screw comprises a screw rod; one end of the screw rod is fixed with a hexagonal prism; the other end of the screw rod is fixedly and coaxially provided with a cylinder, and the inner diameter of the cylinder is reduced to be matched with the opening of the cylinder; and a rectangular through hole is formed in one side surface of the hexagonal prism.
The invention has the following beneficial effects:
1. the flange plates of the pipelines on one side are respectively clamped by the first flange positioning assembly and the second flange positioning assembly, the opening screw rod plays a role in supporting and increasing the distance between the two pipeline flange plates, and the directional detaching device for the abutting flange plates is integrally matched, so that the operation is quick and convenient.
2. The opening assemblies are slidably mounted on the four cylindrical guide rods and slide to the joint of the flanges of the two sections of pipelines, the cone on the inner side of the rotary screw rod pressurizes the gap between the two flanges, and the flanges on the two pipelines are pushed away under the extrusion action of the cones on the peripheral sides, so that the pipelines are separated.
3. The first flange positioning assembly and the second flange positioning assembly comprise synchronous clamping plate assemblies, four hook claws for clamping a flange plate and adjusting bolts for connecting the synchronous clamping plate assemblies and the hook claws, and the second flange positioning assembly further comprises an annular second base plate; synchronous cardboard subassembly keeps synchronous, colludes claw and adjusting bolt cooperation and presss from both sides tight ring flange, and overall structure makes up conveniently, convenient operation, and the maintenance cost is low.
4. The pipeline connecting flange plate is opened through the directional detaching device, so that the pipeline is convenient to drain and clean, and a meter is further convenient to install between the two flange plates.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a directional detaching device for a counterflange according to the present invention;
FIG. 2 is an axial elevational view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic structural view of the clamping guide frame and the first flange positioning assembly;
FIG. 5 is a schematic structural view of the clamping guide frame;
FIG. 6 is a schematic structural view of a first flange positioning assembly;
FIG. 7 is a schematic structural view of a second flange positioning assembly;
FIG. 8 is a schematic structural view of an opening assembly;
FIG. 9 is a schematic view of the expander;
FIG. 10 is a schematic view of a single arcuate plate in the synchronization card assembly;
FIG. 11 is a schematic view of a second baseplate of the second flange positioning assembly;
FIG. 12 is a schematic structural view of the expanding screw rod;
FIG. 13 is a schematic structural view of the hook claw;
in the drawings, the components represented by the respective reference numerals are listed below:
1-clamping guide frame, 2-first flange positioning component, 3-second flange positioning component, 4-opening component, 5-expanding screw rod, 6-synchronous clamping plate component, 7-hook claw, 8-adjusting bolt, 9-expander, 11-cylindrical guide rod, 12-first base plate, 13-limit ring plate, 14-first bayonet, 15-rectangular block, 16-cylindrical notch, 17-first rectangular notch, 31-second base plate, 32-second bayonet, 33-guiding slide hole, 34-internal thread sleeve, 35-second rectangular notch, 36-circular groove, 51-screw rod, 52-hexagonal prism, 53-cylinder, 54-rectangular through hole, 61-arc plate, 62-first circular through hole, 63-rectangular guide groove, 64-first threaded hole, 65-first matching table top, 66-second matching table top, 71-rectangular plate, 72-buckle claw, 73-threaded hole plate, 91-arc plate, 92-second circular through hole, 93-third matching table top, 94-fourth matching table top, 95-screw rod, 96-cone and 97-wrench.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, the present invention relates to a directional detaching device for a butt flange, which comprises a clamping guide frame 1 clamped and installed on a pipe flange; one end of the clamping guide frame 1 is provided with a first flange positioning component 2 for clamping a pipeline flange on one side; the other end of the clamping guide frame 1 is in sliding fit with a second flange positioning component 3 for clamping a pipeline flange on the other side; an opening component 4 for expanding two adjacent flanges is slidably matched on the clamping guide frame 1, and the opening component 4 is positioned between the first flange positioning component 2 and the second flange positioning component 3; four spreading screws 5 are connected to the second flange positioning assembly 3 in a threaded manner, and one end of each spreading screw 5 is abutted to the clamping guide frame 1;
the opening assembly 4 comprises four expanders 9 which are connected end to end and are in sliding fit with four cylindrical guide rods 11; the expander 9 comprises a quarter circular arc plate 91; two ends of the arc plate 91 are provided with second circular through holes 92 which are in sliding fit with the cylindrical guide rods 11; the left side surface of one end and the right side surface of the other end are respectively provided with a third matching table surface 93 and a fourth matching table surface 94 which are matched with each other; spiral screw rods 95 penetrate through the two ends of the arc plate 91 close to the second circular through hole 92 from the outer arc surface to the inner arc surface; the spiral screw 95 is positioned at the inner side of the arc plate 91 to fix the cone 96; a spanner 97 is arranged at the other end of the screw rod 95; when the opening assembly 4 is used, the opening assembly slides to the butt joint position of the two pipeline flange plates on the four cylindrical guide rods 11, the cone 96 on the inner side of the rotary screw rod 95 pressurizes the gap between the two flange plates, and the flange plates on the two pipelines are pushed away under the extrusion action of the cone 96 on the peripheral side, so that the pipeline separation is completed;
the clamping guide frame 1 comprises four cylindrical guide rods 11 with axes on the same ring surface; a first base plate 12 is fixed on the peripheral side surface of the right end part of the four cylindrical guide rods 11; a limiting ring plate 13 is arranged on the peripheral side surface of the cylindrical guide rod 11 and between the end surface and the first base plate 12; a first bayonet 14 for clamping a pipeline is arranged between two adjacent cylindrical guide rods 11 of the first base plate 12; four rectangular blocks 15 which correspond to the four cylindrical guide rods 11 are fixed on the peripheral side surface of the first base plate 12; the side surface of the rectangular block 15, which is opposite to the opening component 4, is provided with a cylindrical notch 16 which is rotationally matched with the spreading screw rod 5; a first rectangular notch 17 is formed in the middle of each two adjacent rectangular blocks 15 on the peripheral side surface of the first base plate 12; the first flange positioning component 2 and the second flange positioning component 3 both comprise a synchronous clamping plate component 6, four hook claws 7 for clamping a flange plate and adjusting bolts 8 for connecting the synchronous clamping plate component 6 and the hook claws 7, and the hook claws 7 comprise rectangular plates 71 for telescopically adjusting the fastening length; the end part of the rectangular plate 71 is fixedly provided with a buckle 72 for clamping a flange plate; a threaded pore plate 73 matched with the adjusting bolt 8 is fixed on the lower side surface of the buckling grab 72; the synchronous clamping plate assembly 6 comprises four arc-shaped plates 61 which are connected end to form a ring; the two ends of the arc-shaped plate 61 are provided with first round through holes 62 which are in sliding fit with the cylindrical guide rod 11; the middle part of the outer arc surface of the arc plate 61 is provided with a rectangular guide groove 63 matched with the hook claw 7; a first threaded hole 64 matched with the adjusting bolt 8 is formed in the middle of the side face of the arc-shaped plate 61; the left side surface of one end of the arc-shaped plate 61 and the right side surface of the other end are respectively provided with a first matching table surface 65 and a second matching table surface 66 which are matched with each other. When the clamping device is used, when the connecting part of a pipeline is opened by the opening component 4 to connect two flanges, the clamping guide frame 1 is buckled on the pipeline on one side, the buckling claws 72 of the four hooking claws 7 on the first flange positioning component 2 are buckled on the inner side of a flange plate, the threaded pore plate 73 is arranged between the first base plate 12 and the synchronous clamping plate component 6, when the synchronous clamping plate component 6 is installed, the four arc-shaped plates 61 are firstly butted end to end, then the four arc-shaped plates 61 are synchronously installed on the four cylindrical guide rods 11, then the adjusting bolt 8 is installed, the synchronous clamping plate component 6 is limited by the limiting ring plate 13, and in the process of rotating the adjusting bolt 8, the four hooking claws 7 tightly press and attach the flanges to the first base plate 12; the flange plate of the pipeline on one side is fixed at one end of a first base plate 12 of the clamping guide frame 1 by the first flange positioning assembly 2.
The second flange positioning assemblies 3 respectively comprise a synchronous clamping plate assembly 6, four hook claws 7 for clamping a flange plate, adjusting bolts 8 for connecting the synchronous clamping plate assembly 6 and the hook claws 7, and an annular second base plate 31; a second bayonet 32 communicated with the inside of the second base plate 31 is arranged on the peripheral side surface of the second base plate; the surface of the second base plate 31 is provided with four guide sliding holes 33 which are in sliding fit with the cylindrical guide rod 11; four internal thread sleeves 34 in threaded connection with the distraction screw rod 5 are fixed on the peripheral side surface of the second base plate 31; a second rectangular notch 35 matched with the hook claw 7 is formed in the peripheral side surface of the second base plate 31 and between two adjacent internal thread sleeves 34; the side surface of the second base plate 31 adjacent to the synchronous clamping plate assembly 6 is located between two adjacent internal thread sleeves 34 and is provided with a circular groove 36 matched with the end part of the adjusting bolt 8. When the second flange positioning assembly 3 is installed, the second base plate 31 is firstly clamped on another pipeline, then the second base plate is slidably installed on the four cylindrical guide rods 11, then the four hooks 7 are installed and clamped on the flange plate, when the synchronous clamping plate assembly 6 is installed, the four arc plates 61 are firstly butted end to end, then the four arc plates 61 are synchronously installed on the four cylindrical guide rods 11, then the adjusting bolt 8 is installed, the end part of the adjusting bolt 8 is propped against the side surface of the synchronous clamping plate assembly 6, and the flange plate is extruded and fixed on the side surface of the second base plate 31; the flange plate of the pipeline on the other side is positioned by the second flange positioning component 3; the spreader screw 5 is then mounted to the second base plate 31.
The distraction screw 5 includes a screw 51; one end of the screw rod 51 is fixed with a hexagonal prism 52; the other end of the screw rod 51 is fixedly and coaxially provided with a cylinder 53, the inner diameter of which is reduced to be matched with the cylindrical notch 16; a rectangular through hole 54 is formed in one side surface of the hexagonal prism 52. The opening screw rod 5 is driven, the cylinder 53 is abutted against the clamping guide frame 1, the flange plates of the pipelines on one side are respectively clamped by the first flange positioning component 2 and the second flange positioning component 3 in the process of rotating the opening screw rod 5, the opening screw rod 5 plays a role in supporting and expanding the space between the two pipeline flange plates, and the pipeline connecting flange plates are opened to conveniently drain and clean the pipelines; further convenience is installed the counter between two ring flanges, and whole device is suitable for the pipe diameter that is not more than 100 mm.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A directional detaching device for a butt flange comprises a clamping guide frame (1) clamped and installed on a pipeline flange part; one end of the clamping guide frame (1) is provided with a first flange positioning component (2) for clamping a pipeline flange on one side; the other end of the clamping guide frame (1) is in sliding fit with a second flange positioning component (3) which is used for clamping a pipeline flange on the other side; an opening assembly (4) used for expanding two adjacent flanges is slidably matched on the clamping guide frame (1), and the opening assembly (4) is positioned between the first flange positioning assembly (2) and the second flange positioning assembly (3); four spreading screws (5) are connected to the second flange positioning assembly (3) in a threaded manner, and one end of each spreading screw (5) is abutted to the clamping guide frame (1); the method is characterized in that:
the clamping guide frame (1) comprises four cylindrical guide rods (11) with axes on the same annular surface; a first base plate (12) is fixed on the peripheral side surface of the right end part of the four cylindrical guide rods (11); a limiting ring plate (13) is arranged on the peripheral side surface of the cylindrical guide rod (11) and between the end surface and the first base plate (12); a first bayonet (14) for clamping a pipeline is formed between two adjacent cylindrical guide rods (11) of the first base plate (12); four rectangular blocks (15) which are arranged corresponding to the four cylindrical guide rods (11) are fixed on the peripheral side surface of the first base plate (12); the side surface of the rectangular block (15) opposite to the opening component (4) is provided with a cylindrical notch (16) which is rotationally matched with the spreading screw rod (5); a first rectangular notch (17) is formed in the middle of each two adjacent rectangular blocks (15) on the peripheral side surface of the first base plate (12);
the first flange positioning component (2) and the second flange positioning component (3) respectively comprise a synchronous clamping plate component (6), four hook claws (7) used for clamping a flange plate and adjusting bolts (8) used for connecting the synchronous clamping plate component (6) and the hook claws (7);
the synchronous clamping plate assembly (6) comprises four arc-shaped plates (61) which are connected end to form a ring; the two ends of the arc-shaped plate (61) are provided with first round through holes (62) which are in sliding fit with the cylindrical guide rod (11); the middle part of the outer arc surface of the arc plate (61) is provided with a rectangular guide groove (63) matched with the hook claw (7); a first threaded hole (64) matched with the adjusting bolt (8) is formed in the middle of the side face of the arc-shaped plate (61); the left side surface of one end of the arc-shaped plate (61) and the right side surface of the other end of the arc-shaped plate are respectively provided with a first matching table surface (65) and a second matching table surface (66) which are matched with each other;
the hook claw (7) comprises a rectangular plate (71) for adjusting the buckling length in a telescopic mode; the end part of the rectangular plate (71) is fixedly provided with a buckle grab (72) for clamping a flange plate; a thread pore plate (73) matched with the adjusting bolt (8) is fixed on the lower side surface of the buckle grab (72),
the second flange positioning assembly (3) further comprises a second annular base plate (31); a second bayonet (32) communicated with the inside of the second base plate (31) is arranged on the peripheral side surface of the second base plate; the surface of the second base plate (31) is provided with four guide sliding holes (33) which are in sliding fit with the cylindrical guide rod (11); four internal thread sleeves (34) in threaded connection with the distraction screw rod (5) are fixed on the peripheral side surface of the second base plate (31); a second rectangular notch (35) matched with the hook claw (7) is formed in the peripheral side surface of the second base plate (31) and between two adjacent internal thread sleeves (34); and a circular groove (36) matched with the end part of the adjusting bolt (8) is formed between two adjacent internal thread sleeves (34) on the side surface of the adjacent synchronous clamping plate assembly (6) of the second base plate (31).
2. A directional decoupling device for counterflanges according to claim 1, characterized in that said opening assembly (4) comprises four expanders (9) connected end to end and slidingly engaged with four cylindrical guides (11); the expander (9) comprises a quarter of a circular arc plate (91); two ends of the arc plate (91) are provided with second circular through holes (92) which are in sliding fit with the cylindrical guide rods (11); the left side surface of one end and the right side surface of the other end are respectively provided with a third matching table surface (93) and a fourth matching table surface (94) which are matched with each other; spiral screw rods (95) are arranged at the positions, close to the second circular through holes (92), of the two ends of the circular arc plate (91) in a penetrating mode from the outer arc surface to the inner arc surface; the spiral screw rod (95) is positioned on the inner side of the arc plate (91) to fix the cone (96); and a wrench (97) is arranged at the other end of the screw rod (95).
3. A device for the directional detachment of a counterflange according to claim 1, characterized in that said distraction screw (5) comprises a screw (51); one end of the screw rod (51) is fixed with a hexagonal prism (52); the other end of the screw rod (51) is fixedly provided with a cylinder (53) which is coaxially arranged and has a reduced inner diameter and is matched with the cylindrical notch (16); one side surface of the hexagonal prism (52) is provided with a rectangular through hole (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110166058.3A CN112503276B (en) | 2021-02-07 | 2021-02-07 | Directional detaching device for butting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110166058.3A CN112503276B (en) | 2021-02-07 | 2021-02-07 | Directional detaching device for butting flange |
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| Publication Number | Publication Date |
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| CN112503276A CN112503276A (en) | 2021-03-16 |
| CN112503276B true CN112503276B (en) | 2021-05-07 |
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| CN202110166058.3A Expired - Fee Related CN112503276B (en) | 2021-02-07 | 2021-02-07 | Directional detaching device for butting flange |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113427179B (en) * | 2021-07-05 | 2022-01-18 | 江苏新宏大集团有限公司 | Portable flange plate welding equipment in chemical pipeline installation engineering |
| CN114183598B (en) * | 2021-12-15 | 2022-09-30 | 宿迁凯达环保设备制造有限公司 | Environment-friendly is pipeline connecting device for water treatment |
| CN114654187B (en) * | 2022-04-19 | 2023-09-22 | 中国航发动力股份有限公司 | Fuel oil main pipe assembly fault resetting device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5261149A (en) * | 1992-11-09 | 1993-11-16 | Sutton Eric E | Rotary puller live center arrangement |
| CN203409721U (en) * | 2013-08-22 | 2014-01-29 | 石家庄新奥燃气有限公司 | Flange stretching device |
| CN203485103U (en) * | 2013-09-02 | 2014-03-19 | 金永淼 | Installation and detachment device of flow meter |
| CN203712633U (en) * | 2014-01-28 | 2014-07-16 | 王亮亮 | Flange opener |
| CN208913991U (en) * | 2018-09-04 | 2019-05-31 | 中国石油化工股份有限公司 | A kind of flange strutting tool |
| CN208841294U (en) * | 2018-09-28 | 2019-05-10 | 中国石油化工股份有限公司 | Large-sized flange instrument dismounts separator and its dismounting load carrier |
| CN209599127U (en) * | 2018-12-20 | 2019-11-08 | 中国石油天然气股份有限公司 | Flange deploying device |
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