CN209850832U - Flange jacking device - Google Patents
Flange jacking device Download PDFInfo
- Publication number
- CN209850832U CN209850832U CN201920417826.6U CN201920417826U CN209850832U CN 209850832 U CN209850832 U CN 209850832U CN 201920417826 U CN201920417826 U CN 201920417826U CN 209850832 U CN209850832 U CN 209850832U
- Authority
- CN
- China
- Prior art keywords
- jackscrew
- arc
- clamping piece
- flange
- extending block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a flange backs down ware, this backs down ware mainly by the checkpost, first jackscrew, second jackscrew and jackscrew separation blade constitute, wherein, the checkpost is by clamping piece under the arc, clamping piece and locking device constitute on the arc, first jackscrew and second jackscrew difference screw thread install under the arc in the first screw hole in the first extension piece in clamping piece both sides and the second screw hole in the second extension piece, and jackscrew separation blade and first jackscrew and the cooperation of second jackscrew, design through above-mentioned structure, can realize carrying out the back down from one side of flange, this backs down ware has simple structure, reasonable in design, high durability and convenient use, application scope advantage such as wide, because this flange backs down ware can carry out the back down from one side of flange, be convenient for lie in the operation of backing down of valve or near instrument flange.
Description
Technical Field
The utility model discloses a flange is dismantled and is used the instrument, especially relates to a flange backs down ware.
Background
Flange connection is one of the most common connection modes in pipelines, and a flange gasket is damaged and punctured due to overlong use time or reasons such as process pressure change, mistaken flow and the like, so that the flange gasket needs to be replaced regularly.
When changing the flange mat, at first need carry out the pipeline pressure release, then unload the flange screw, prize the flange with the crow bar, leave operating space between two flanges to clear up old mat and change new mat. But in actual practice it was found that: when some flange connecting pieces are connected initially, the reserved space is small, or the foundation sinks and the process deforms due to long-term use of the process, so that the flange is difficult to pry, sometimes the flange can be pried, but the pried space is small and is not enough for next operation, so that the work of replacing the flange becomes quite difficult, sometimes the electric welding is even required to be used, the process is cut off and the welding is carried out again, and the workload is increased.
Therefore, it is urgently needed to develop an auxiliary tool for disassembling the flange so as to solve the problems of difficult operation, large workload and the like when the existing flange is disassembled.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a flange backs down ware to at least, solve current flange when carrying out flange mat and change, there is the flange difficulty of prizing, leads to the operational difficulty, the big scheduling problem of work load.
The utility model provides a technical scheme specifically does, a flange backs down ware, should back down and open and include: the device comprises a clamp 1, a first jackscrew 2, a second jackscrew 3 and a jackscrew retaining piece 4;
the clip 1 includes: the locking device comprises an arc-shaped lower clamping piece 11, an arc-shaped upper clamping piece 12 and a locking device 13;
a first extending block 111 and a second extending block 112 which extend horizontally and outwards are respectively arranged on two sides of the arc-shaped lower clamping piece 11, a first screw hole which penetrates through two ends is formed in the first extending block 111, and a second screw hole which penetrates through two ends is formed in the second extending block 112;
the arc-shaped upper clamping piece 12 is buckled and arranged above the arc-shaped lower clamping piece 11, one side of the arc-shaped upper clamping piece 12 is rotatably connected with the inner side of the first extending block 111 in the arc-shaped lower clamping piece 11, and the other side of the arc-shaped upper clamping piece 12 is provided with a third extending block 121 which extends outwards horizontally;
the locking device 13 is used for locking and unlocking between the second extending block 112 in the arc-shaped lower clamping piece 11 and the third extending block 121 in the arc-shaped upper clamping piece 12;
the first jackscrew 2 is installed in a first screw hole on the first extension block 111 in a threaded manner;
the second jackscrew 3 is installed in a second screw hole on the second extension block 112 in a threaded manner;
the top thread blocking piece 4 is located at the downstream of the first top thread 2 and the second top thread 3, and two ends of the top thread blocking piece 4 are respectively matched with the lower end portions of the first top thread 2 and the second top thread 3.
Preferably, the locking device 13 comprises: a fixing screw 131 and a fastening nut 132;
a first mounting groove 1211 which is inwards recessed is formed in the outer side wall of the third extending block 121 in the arc-shaped upper clamping piece 12;
a second mounting groove 1121 which is recessed inwards is formed in the outer side wall of the second extending block 112 of the arc-shaped lower clamping piece 12, and the position of the second mounting groove 1121 corresponds to the position of the first mounting groove 1211;
the upper end of the fixing screw 131 is located in the first mounting groove 1211 and is rotatably connected to the inner wall of the first mounting groove 1211, and when the fixing screw 131 is rotated to be perpendicular to the third extending block 121, the lower portion of the fixing screw 131 is located just inside the second mounting groove 1121;
the fastening nut 132 is located below the second extension block 112, and is screwed on the outer portion of the lower end of the fixing screw 131.
Further preferably, guide grooves are formed in the positions, matched with the lower end portions of the first jackscrew 2 and the second jackscrew 3, of the two ends of the jackscrew retaining piece 4.
Further preferably, an extension plate 41 extending upward is provided at the upper end of the plug blade 4.
Preferably, hexagonal heads are arranged at the upper end parts of the first jackscrew 2 and the second jackscrew 3.
The utility model provides a flange back-opening device, which mainly comprises a clip, a first jackscrew, a second jackscrew and a jackscrew retaining piece, wherein, the clip comprises an arc lower clamping piece, an arc upper clamping piece and a locking device, the first jackscrew and the second jackscrew are respectively installed in a first screw hole in a first extending block and a second screw hole in a second extending block at two sides of the arc lower clamping piece in a threaded manner, and the jackscrew retaining piece is matched with the first jackscrew and the second jackscrew, through the structure design, the back-opening device can realize the back-opening from one side of a flange, concretely, when in use, the clip is respectively clamped at two sides of a pipeline through the arc lower clamping piece and the arc upper clamping piece, and is locked through the locking device, the clip is fixed on the pipeline at one side of the flange, then the jackscrew retaining piece is inserted between two flanges, the first jackscrew and the second jackscrew are respectively screwed, the first jackscrew and the second jackscrew respectively pass through the flange close to one side of the clip, the tip of first jackscrew and second jackscrew all offsets with the cooperation tip of jackscrew separation blade until, continues rotatory first jackscrew and second jackscrew, because checkpost rigidity, at this moment, keeps away from the ring flange of checkpost one side under the apical force effect of first jackscrew and second jackscrew and the ring flange separation that is close to checkpost one side, realizes opening in top of flange to the change of flange mat.
The utility model provides a flange backs down ware has advantages such as simple structure, reasonable in design, convenient to use, application scope are wide, because this flange backs down ware can carry out the back down from one side of flange, is convenient for lie in the back down operation of near valve or instrument flange.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 diagram of a flange opener according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a flange opener according to an embodiment of the present disclosure in use;
fig. 3 is a schematic cross-sectional view of a flange opener according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In view of the problems of difficult flange prying, difficult operation, large workload and the like in the prior art of flange cushion replacement, the embodiment provides a flange opener, as shown in fig. 1, the opener mainly comprises a clip 1, a first jackscrew 2, a second jackscrew 3 and a jackscrew blocking piece 4, wherein, as shown in fig. 1, the clip 1 mainly comprises an arc-shaped lower clip 11, an arc-shaped upper clip 12 and a locking device 13, a first extending block 111 and a second extending block 112 which extend horizontally outwards are respectively arranged at two sides of the arc-shaped lower clip 11, a first screw hole which penetrates through the two ends is arranged on the first extending block 111, a second screw hole which penetrates through the two ends is arranged on the second extending block 112, the arc-shaped upper clip 12 is buckled and arranged above the arc-shaped lower clip 11, and one side of the arc-shaped upper clip 12 is rotatably connected with the inner side of the first extending block 111 in the arc-shaped lower clip 11, the other side of the arc-shaped upper clamping piece 12 is provided with a third extending block 121 which extends horizontally outwards, the locking device 13 is used for locking and unlocking the second extending block 112 in the arc-shaped lower clamping piece 11 and the third extending block 121 in the arc-shaped upper clamping piece 12, the first jackscrew 2 is installed in a first screw hole on the first extending block 111 in a threaded manner, the second jackscrew 3 is installed in a second screw hole on the second extending block 112 in a threaded manner, the jackscrew blocking piece 4 is located at the downstream of the first jackscrew 2 and the second jackscrew 3, and two ends of the jackscrew blocking piece 4 are respectively matched with the lower end parts of the first jackscrew 2 and the second jackscrew 3.
The specific use method of the flange ejector comprises the following steps: when the flange cushion is used, referring to fig. 2 and 3, the arc-shaped lower clamping piece and the arc-shaped upper clamping piece are respectively clamped on the upper side and the lower side of a pipeline A and are locked through the locking device, the clamp is fixed on the pipeline A on one side of the flange, then the jackscrew retaining pieces are inserted between the two flange plates B, and finally the first jackscrew and the second jackscrew are respectively screwed to enable the first jackscrew and the second jackscrew to respectively penetrate through the flange screw holes close to one side of the clamp until the end parts of the first jackscrew and the second jackscrew are respectively abutted against the matched end parts of the jackscrew retaining pieces, the first jackscrew and the second jackscrew are continuously rotated, and at the moment, the flange plate B far away from one side of the clamp is separated from the flange plate B close to one side of the clamp under the action of the jacking force of the first jackscrew and the second jackscrew, so that the flange cushion can be conveniently replaced.
Wherein, the locking device only needs to be able to lock the upper clip piece and the lower clip piece to fix the position between the clip and the pipeline, referring to fig. 1, the locking device 13 is designed to be composed of a fixing screw 131 and a fastening nut 132, but the outer side wall of the third extending block 121 in the arc-shaped upper clip piece 12 is provided with an inwardly recessed first mounting groove 1211, the outer side wall of the second extending block 112 in the arc-shaped lower clip piece 11 is provided with an inwardly recessed second mounting groove 1121, the position of the second mounting groove 1121 corresponds to the position of the first mounting groove 1211, the upper end of the fixing screw 131 is located in the first mounting groove 1211 and is rotatably connected with the inner wall of the first mounting groove 1211, when the fixing screw 131 is rotated to be perpendicular to the third extending block 121, the lower portion of the fixing screw 131 is just located in the second mounting groove 1121, the fastening nut 132 is located below the second extending block 112, and the screw thread suit is in the outside of the lower extreme of set screw 131, through the design of above-mentioned structure, need fix the checkpost on the pipeline at every turn, only need carry on the tight of fixation nut can, easy operation.
As the improvement of the technical scheme, the two ends of the jackscrew retaining sheet 4 are provided with guide grooves at the positions matched with the lower end parts of the first jackscrew 2 and the second jackscrew 3, so that the positions are unchanged when the first jackscrew and the second jackscrew are jacked for guiding.
In order to facilitate the operation and lifting of the top thread baffle plate, as a modification of the technical solution, referring to fig. 1, an extending plate 41 extending upward is provided at the upper end of the top thread baffle plate 4.
In order to facilitate screwing of the first jackscrew and the second jackscrew, as an improvement of the technical scheme, hexagonal heads are arranged at the upper end parts of the first jackscrew 2 and the second jackscrew 3.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof.
Claims (5)
1. A flange opener, comprising: the device comprises a clamp (1), a first jackscrew (2), a second jackscrew (3) and a jackscrew retaining piece (4);
the clip (1) comprises: the clamping device comprises an arc-shaped lower clamping piece (11), an arc-shaped upper clamping piece (12) and a locking device (13);
a first extending block (111) and a second extending block (112) which extend horizontally and outwards are respectively arranged on two sides of the arc-shaped lower clamping piece (11), a first screw hole penetrating through two ends is formed in the first extending block (111), and a second screw hole penetrating through two ends is formed in the second extending block (112);
the arc-shaped upper clamping piece (12) is buckled and installed above the arc-shaped lower clamping piece (11), one side of the arc-shaped upper clamping piece (12) is rotatably connected with the inner side of a first extending block (111) in the arc-shaped lower clamping piece (11), and the other side of the arc-shaped upper clamping piece (12) is provided with a third extending block (121) which extends outwards horizontally;
the locking device (13) is used for locking and unlocking between a second extending block (112) in the arc-shaped lower clamping piece (11) and a third extending block (121) in the arc-shaped upper clamping piece (12);
the first jackscrew (2) is installed in a first screw hole in the first extension block (111) in a threaded mode;
the second jackscrew (3) is installed in a second screw hole on the second extension block (112) in a threaded manner;
the jackscrew separation blade (4) is located the low reaches of first jackscrew (2) and second jackscrew (3), just the both ends of jackscrew separation blade (4) respectively with the lower extreme tip cooperation of first jackscrew (2) and second jackscrew (3).
2. A flange opener according to claim 1, characterized in that the locking device (13) comprises: a fixing screw (131) and a fastening nut (132);
a first mounting groove (1211) which is inwards sunken is formed in the outer side wall of a third extending block (121) in the arc-shaped upper clamping piece (12);
a second mounting groove (1121) which is inwards recessed is formed in the outer side wall of a second extending block (112) in the arc-shaped lower clamping piece (11), and the position of the second mounting groove (1121) corresponds to the position of the first mounting groove (1211);
the upper end of the fixing screw (131) is positioned in the first mounting groove (1211) and is rotatably connected with the inner wall of the first mounting groove (1211), and when the fixing screw (131) is rotated to be perpendicular to the third extending block (121), the lower part of the fixing screw (131) is just positioned in the second mounting groove (1121);
the fastening nut (132) is positioned below the second extension block (112), and is sleeved outside the lower end of the fixing screw (131) in a threaded manner.
3. The flange opener according to claim 1, wherein guide grooves are provided at both ends of the jack-screw retaining piece (4) at positions where they engage with lower end portions of the first jack-screw (2) and the second jack-screw (3).
4. The flange opener according to claim 1, wherein an upwardly extending extension plate (41) is provided at an upper end of the plug blade (4).
5. The flange opener according to claim 1, wherein hexagonal heads are provided at upper end portions of the first jackscrew (2) and the second jackscrew (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417826.6U CN209850832U (en) | 2019-03-29 | 2019-03-29 | Flange jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417826.6U CN209850832U (en) | 2019-03-29 | 2019-03-29 | Flange jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209850832U true CN209850832U (en) | 2019-12-27 |
Family
ID=68935630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920417826.6U Expired - Fee Related CN209850832U (en) | 2019-03-29 | 2019-03-29 | Flange jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209850832U (en) |
-
2019
- 2019-03-29 CN CN201920417826.6U patent/CN209850832U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |