CN214771722U - Combined flange expander - Google Patents
Combined flange expander Download PDFInfo
- Publication number
- CN214771722U CN214771722U CN202120107470.3U CN202120107470U CN214771722U CN 214771722 U CN214771722 U CN 214771722U CN 202120107470 U CN202120107470 U CN 202120107470U CN 214771722 U CN214771722 U CN 214771722U
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- puller
- ejector rod
- rod
- flange
- jaw
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Abstract
The utility model discloses a combined flange expander, which comprises a two-jaw puller, a puller ejector rod, a fixed connecting sleeve, a stable nail and a flat chisel; the utility model provides a modular flange ware of expanding, mainly used solve the flange and need strut the space and change the sealed operation degree of difficulty that fills up, this utility model instrument has reduced intensity of labour, has avoided the part to damage, has improved work efficiency, has avoided using the crow bar to prize the safety hazard factor that the in-process produced, has guaranteed maintenance quality to simple manufacture, characteristics such as fine popularization nature have extremely low with costs.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to modular flange expander is applicable to and struts the operation that the sealed pad was changed in modular flange space.
Background
At present, flange connection is a main mode for connecting equipment and pipelines. In daily production, the flange often leaks, and most of the reasons for leakage are caused by damaged flange gaskets, so that the gasket replacement work is needed. But because of the dead weight of the pipeline, the error of the process, the corrosion and scaling of the valve and other reasons, the flange displacement and the clearance reduction are caused urgently and easily, and the gasket replacement operation is more difficult. At present, a common method for replacing the flange pad is to insert a crow bar into a gap between two flange plates, pry open the flange plates, increase gaps, take out old flange pads, clean water lines and dirt by a scraper, and replace new pads. However, when changing, often because two ring flanges are connected closely, the space of prizing open with the crow bar is less, is difficult to reach the clearance that needs to be changed to lead to the instrument to be difficult to get into, can't clear away old gasket and terminal surface foul, after having changed the flange gasket, still take place the seepage again easily. In addition, flange gaskets are replaced by prying with a prying bar, a plurality of operators are usually required to cooperate, the operation time is long, the production efficiency is influenced, the labor intensity is high, and safety risk factors such as prying bar separation, wrenching and the like exist in the prying process.
Therefore, technical personnel in the field are dedicated to developing a combined flange expander, and the combined flange expander aims to solve the problems that the combined flange expander is convenient to use in equipment maintenance work, the labor intensity is greatly reduced, the working efficiency is improved, safety risk factors generated in the prying process by using a prying bar are avoided, and the maintenance quality is guaranteed.
SUMMERY OF THE UTILITY MODEL
In view of the existing method for replacing the flange gasket, the time and labor are wasted, the labor intensity is high, the overhauling quality cannot be guaranteed, and huge potential safety hazards exist. In order to improve work efficiency, avoid the potential safety hazard to guarantee the maintenance quality, the utility model provides a modular flange expander, mainly used strut the operation that the sealed pad was changed in modular flange space, through using novel instrument like this, reach greatly reduced intensity of labour, improved work efficiency, avoided using the crow bar to prize the safety hazard factor that the in-process produced, and ensured the maintenance quality. The tool has the characteristics of simple manufacture, extremely low cost, simple operation, good popularization and the like.
In order to achieve the purpose, the utility model provides a modular flange expander comprises two claw draws the horse, draws the horse ejector pin, the fixed connection cover, steady nail and flat chisel.
The two-jaw puller is formed by combining two jaw hooks and a connecting rod, and a threaded hole is formed in the center of the connecting rod of the two-jaw puller. The puller ejector rod is a threaded rod, the top of the puller ejector rod is in a polygonal design, the puller ejector rod can be conveniently rotated to use, and the puller ejector rod is arranged in a central threaded hole of the double-jaw puller connecting rod. One end of the fixed connecting sleeve is a deep hole and is used for connecting the tail end of the puller ejector rod, the other end of the fixed connecting sleeve is also a deep hole and is used for placing a flat chisel, and a stable nail is arranged on the fixed connecting sleeve and is used for fixing the flat chisel;
further, the position of the connecting rod of the two-jaw puller can be adjusted left and right;
furthermore, the central threaded hole of the two-jaw puller connecting rod is consistent with the threads of the puller ejector rod;
furthermore, the puller ejector rod is a threaded rod, the top of the puller ejector rod is polygonal so as to be convenient for rotating the puller ejector rod to use, and the bottom of the puller ejector rod is provided with a straight rod with taper;
furthermore, the two ends of the fixed connecting sleeve are deep holes, and the middle of the fixed connecting sleeve is solid. The center of a deep hole at one end connected with the puller ejector rod is provided with a taper, and the taper is consistent with that of a straight rod at the bottom of the puller ejector rod;
further, the chisel requires a material to be hard enough;
scheme more than adopting, the utility model discloses a combination formula flange expander has following technological effect:
1. the combined flange expander has the characteristics of simple manufacture, extremely low cost, simple operation, good popularization and the like;
2. the combined flange expander greatly reduces the labor intensity, improves the working efficiency, avoids safety hazard factors, ensures the maintenance quality and saves time and labor;
to sum up, the utility model discloses combination formula flange expander has that the result of use is good, and application scope is wide, simple structure, and the operation is convenient, has improved maintenance efficiency greatly, has reduced the maintenance degree of difficulty, reduces intensity of labour, has avoided the potential safety hazard, has ensured maintenance quality.
The conception, specific structure and technical effects of the present invention will be further described with reference to the accompanying drawings and specific embodiments, so as to fully understand the objects, features and effects of the present invention.
Drawings
Fig. 1 is a schematic structural view of the combined flange expander of the present invention;
fig. 2 is a schematic structural view of a two-jaw puller of the combined flange expander of the present invention;
fig. 3 is a schematic top view of a two-jaw puller of the combined flange expander of the present invention;
fig. 4 is a schematic top view of the fixed connection sleeve of the combined flange expander of the present invention;
fig. 5 is a schematic front view of a fixed connecting sleeve of the combined flange expander of the present invention;
fig. 6 is a schematic view of a chisel of the combination flange expander of the present invention;
in the figure, 1, two-jaw puller; 2. pulling a horse ejector rod; 3. fixing the connecting sleeve; 4. stabilizing the nail; 5. and (6) flat chisel.
Detailed Description
The embodiments of the present invention will be described with reference to the accompanying drawings for clarity and understanding. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
As shown in fig. 1, 2, 3, 4, 5 and 6, the combined flange expander of the utility model comprises a two-jaw puller 1, a puller ejector rod 2, a fixed connecting sleeve 3, a stable nail 4 and a flat chisel 5;
the two-jaw puller 1 is formed by combining two jaw hooks and a connecting rod, and a threaded hole is formed in the center of the connecting rod of the two-jaw puller 1. The puller ejector rod 2 is a threaded rod, the top of the puller ejector rod is designed to be polygonal, the puller ejector rod 2 can be conveniently rotated for use, and the puller ejector rod 2 is arranged in a central threaded hole of a connecting rod of the double-jaw puller 1. One end of the fixed connecting sleeve 3 is a deep hole and is used for connecting the tail end of the puller ejector rod 2, the other end of the fixed connecting sleeve 3 is also a deep hole and is used for placing a flat chisel 5, and a stable nail 4 is arranged on the fixed connecting sleeve 3 and is used for fixing the flat chisel 5;
in the present embodiment, it is preferred that,
the position of the connecting rod of the two-jaw puller 1 can be adjusted left and right;
the central threaded hole of the connecting rod of the two-jaw puller 1 is consistent with the thread of the puller ejector rod 2;
the puller ejector rod 2 is a threaded rod, the top of the puller ejector rod is polygonal so as to be convenient for rotating the puller ejector rod 2 to use, and the bottom of the puller ejector rod is provided with a straight rod with taper;
the two ends of the fixed connecting sleeve 3 are deep holes, and the middle is solid. The center of a deep hole at one end connected with the puller ejector rod 2 is provided with a taper, and the taper is consistent with that of a straight rod at the bottom of the puller ejector rod 2;
the flat chisel 5 is the existing flat chisel with enough hardness;
the method is operated on site according to the steps that firstly, the puller ejector rod is installed into the two claw pulling horse, then the bottom of the puller ejector rod is connected with the flat chisel by the fixed connecting sleeve, and the flat chisel is fixed by the stable nail. Secondly, the flange to be expanded is inserted into the connecting bolt which is detached before the flange is expanded by a pair of flange holes, and then the two claws of the two-claw puller are hooked at the lower end of the bolt. And inserting the wedge head of the flat chisel into a gap between the two flanges, wherein the angle needs to be adjusted when the wedge head is inserted so that the positions of the wedge head of the flat chisel and the inserted bolt are avoided. And finally, the puller ejector rod is rotated to gradually move downwards to drive the wedge-shaped head of the flat chisel to enter a gap between the two flange plates, so that the wedge-shaped head is controlled to expand the gap between the two flange plates, and an enough operation gap is reserved between the two flange plates to realize the cleaning of the old gasket and the replacement of a new gasket.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A combined flange expander is characterized by comprising two claw pullers (1), a puller ejector rod (2), a fixed connecting sleeve (3), a stable nail (4) and a flat chisel (5); wherein the content of the first and second substances,
the two-jaw puller (1) is formed by combining two jaw hooks and a connecting rod, and a threaded hole is formed in the center of the connecting rod of the two-jaw puller (1); the puller ejector rod (2) is a threaded rod, the top of the puller ejector rod is polygonal, the puller ejector rod (2) can be rotated conveniently, and the puller ejector rod (2) is arranged in a threaded hole of the two-jaw puller (1); one end of the fixed connecting sleeve (3) is a deep hole and is used for connecting the tail end of the puller ejector rod (2), the other end of the fixed connecting sleeve (3) is also a deep hole and is used for placing the flat chisel (5), and the fixed connecting sleeve (3) is provided with the stable nail (4) and is used for fixing the flat chisel (5).
2. The modular flange expander of claim 1,
the position of the connecting rod of the two-jaw puller (1) can be adjusted left and right.
3. The modular flange expander of claim 1,
the central threaded hole of the connecting rod of the two-jaw puller (1) is consistent with the thread of the puller ejector rod (2).
4. The modular flange expander of claim 1,
the puller ejector rod (2) is a threaded rod, the top of the puller ejector rod is polygonal, so that the puller ejector rod (2) can be rotated conveniently, and the bottom of the puller ejector rod is provided with a straight rod with taper.
5. The modular flange expander of claim 1,
the two ends of the fixed connecting sleeve (3) are deep holes, the middle of the fixed connecting sleeve is solid, the center of the deep hole at one end connected with the puller ejector rod (2) is provided with taper, and the taper is consistent with that of the straight rod at the bottom of the puller ejector rod (2).
6. The modular flange expander of claim 1,
the flat chisel (5) is required to be made of enough hard materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120107470.3U CN214771722U (en) | 2021-01-15 | 2021-01-15 | Combined flange expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120107470.3U CN214771722U (en) | 2021-01-15 | 2021-01-15 | Combined flange expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214771722U true CN214771722U (en) | 2021-11-19 |
Family
ID=78747435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120107470.3U Active CN214771722U (en) | 2021-01-15 | 2021-01-15 | Combined flange expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214771722U (en) |
-
2021
- 2021-01-15 CN CN202120107470.3U patent/CN214771722U/en active Active
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