CN201702745U - Disassembling and assembling device - Google Patents
Disassembling and assembling device Download PDFInfo
- Publication number
- CN201702745U CN201702745U CN2010201749147U CN201020174914U CN201702745U CN 201702745 U CN201702745 U CN 201702745U CN 2010201749147 U CN2010201749147 U CN 2010201749147U CN 201020174914 U CN201020174914 U CN 201020174914U CN 201702745 U CN201702745 U CN 201702745U
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- nut
- bolt
- flange
- diameter
- blind plate
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Abstract
The utility model discloses a disassembling and assembling device for disassembling and assembling a blind plate (13), comprising a cushion plate (23), a bolt (21) and a nut (22), wherein the diameter of the bolt (21) is less than that of a threaded hole (112) of each flange (11); the length of a threaded section of the bolt (21) is larger than the sum of the thickness of the blind plate (13) and the thicknesses of bosses (111) of the two flanges (11); the length of the bolt (21) is larger than the sum of the thickness of the blind plate (13), the thicknesses of flange main bodies (113) and the thicknesses of bosses (111) of the two flanges (11); the outer diameter of the nut (22) is larger than the diameter of the threaded hole (112); and the maximum outer diameter of the cushion plate (23) is larger than the diameter of the threaded hole (112). The disassembling and assembling device can reduce the complexity in the process of replacement, reduces the labor and materials needed in the process of operation and improves the safety of workers in the process of operation.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of attaching/detaching apparatus that is used for the dismounting blind plate.
Background technology
It is connected mode commonly used during present pipeline connects that flange connects, and uses all many-sides in daily life.
Understand for convenient, the technical term that this paper is used is explained as follows:
Flange is to instigate pipe and the interconnective part of pipe, is connected in pipe end.Perforation on the flange, bolt are close to two flanges.
Blind plate is with holes and middle two kinds not with holes in the middle of comprising, is positioned between the flange; Middle blind plate not with holes is used to seal the pipeline that connects by flange, stops the circulation of liquid, and middle blind plate with holes is used for the pipeline that conducting connects by flange, to replenish the shared space of blind plate not with holes.
In the use of pipeline, need the blind plate with different structure be set between two interconnective flanges according to the conducting needs of pipeline, at this moment, generally be the bolt of at first removing adpting flange, then flange separated to have the replacing of the blind plate of different structure.
Yet, in use,, be difficult to finish the blind plate replacing because the effect of expanding with heat and contract with cold and waiting of pipeline can cause the effect that is subjected to bigger power between two flanges that interconnect.
In the prior art, when needs carry out the blind plate replacing, use crowbar etc. separates flange, operating process is not only very inconvenient, wastes time and energy, but also relatively more dangerous, if if dynamics is too quickly in prizing process, ducted medium (gas medium or liquid medium) is spilt, cause the staff injured, bring influence to safety in production; Simultaneously, in operating process, also be easy to the sealing surface of flange and blind plate is caused damage, influence the access times and the service life of flange and blind plate.
Therefore, how to reduce the complexity in the blind plate replacing process, reduce required human and material resources in the operating process, improve the security in staff's course of work, just become the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of attaching/detaching apparatus, and this attaching/detaching apparatus can reduce the complexity in the blind plate replacing process, reduces required human and material resources in the operating process, improves the security in staff's course of work.
For solving the problems of the technologies described above, the utility model provides a kind of attaching/detaching apparatus, is used for the dismounting of blind plate between flange, comprises backing plate, and the screw bolt and nut that cooperatively interacts; The diameter of described bolt is less than the diameter of the screwed hole of described flange, and the thread segment length of described bolt is greater than the thickness sum of the boss of the thickness of described blind plate and two described flanges, and the length of described bolt is greater than the thickness sum of the boss of the thickness of the thickness of described blind plate, described flange main body and two described flanges; The external diameter of described nut is greater than the diameter of the screwed hole of described flange; The maximum outside diameter of described backing plate is greater than the diameter of the screwed hole of described flange.
Preferably, described nut is a square nut; When described bolt passes the screwed hole of described flange, and described square nut is when being threaded onto described bolt, and the maximum gauge of described square nut is greater than the center of described nut and the minimum range between the described boss.
Preferably, the sidewall of described nut is fixed with the screens parts; When described bolt passes the screwed hole of described flange, and described nut is when being threaded onto described bolt, and the ultimate range of the described screens parts of the centre distance of described nut is greater than the center of described nut and the minimum range between the described boss.
Preferably, described screens parts are the screens rod.
Preferably, described screens rod is welded in the sidewall of described nut.
The attaching/detaching apparatus that is used for the blind plate between the dismounting flange provided by the utility model comprises backing plate, and the screw bolt and nut that cooperatively interacts; The diameter of bolt is less than the diameter of the screwed hole of flange, and the thread segment length of bolt is greater than the thickness sum of the boss of the thickness of blind plate and two flanges, and the length of bolt is greater than the thickness sum of the boss of the thickness of the thickness of blind plate, flange main body and two flanges; The external diameter of nut is greater than the diameter of the screwed hole of flange; The maximum outside diameter of backing plate is greater than the diameter of the screwed hole of flange.When needs carry out the replacing of blind plate, at first the thread segment of bolt is passed the screwed hole of a flange, the end of thread segment that makes bolt is between two flanges, then nut is threaded onto bolt, and backing plate is positioned over the screwed hole place of another flange between two flanges, rotating bolt, make bolt close to another flange with respect to nut, until the end portion supports of bolt in backing plate, be further rotated bolt, utilize the length variations change nut of bolt and the distance between the backing plate, and then change the distance between two flanges, thereby carry out the replacing of blind plate.As can be seen, attaching/detaching apparatus provided by the utility model utilizes the effect of screw pair, rotatablely moving of screw pair become the rectilinear motion of two flanges, overcome the effect of extraneous stress, realized the replacing of blind plate, reduce the complexity in the blind plate replacing process, reduced human and material resources required in the operating process, improved the security in staff's course of work.
In a kind of preferred implementation, the nut of attaching/detaching apparatus provided by the utility model is a square nut; When bolt passes the screwed hole of flange, and square nut is when being threaded onto bolt, and the maximum gauge of square nut is greater than the center of nut and the minimum range between the boss.Like this, when swivel bolt, the sidewall of square nut just contacts with the boss of flange, thereby limited rotatablely moving of nut, make the main body of nut and flange fit, having realized easily rotatablely moving changes to rectilinear motion ground, and the replacing of the separation of two flanges and blind plate.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of attaching/detaching apparatus provided by the utility model;
Fig. 2 is in the structural representation of operating position for a kind of specific embodiment of attaching/detaching apparatus provided by the utility model;
Fig. 3 is in the structural representation of operating position for a kind of specific embodiment of the nut of attaching/detaching apparatus provided by the utility model;
Fig. 4 is the structural representation of second kind of specific embodiment of the nut of attaching/detaching apparatus provided by the utility model.
The specific embodiment
Core of the present utility model provides a kind of attaching/detaching apparatus, and this attaching/detaching apparatus can reduce the complexity in the blind plate replacing process, reduces required human and material resources in the operating process, improves the security in staff's course of work.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of specific embodiment of attaching/detaching apparatus provided by the utility model; Fig. 2 is in the structural representation of operating position for a kind of specific embodiment of attaching/detaching apparatus provided by the utility model.
As shown in FIG., in a kind of specific embodiment, the attaching/detaching apparatus that is used for 11 blind plate 13 dismounting of flange provided by the utility model comprises backing plate 23, and bolt 21 that cooperatively interacts and nut 22; The diameter of bolt 21 less than the screwed hole 112 of flange 11, diameter, simultaneously, the thread segment length of bolt 21 is greater than the thickness sum of the boss 111 of the thickness of blind plate 13 and two flanges 11, and the length of bolt 21 is greater than the thickness sum of the boss 111 of the thickness of the thickness of blind plate 13, flange main body 113 and two flanges 11; The external diameter of nut 22 is greater than the diameter of the screwed hole 112 of flange 11; The maximum outside diameter of backing plate 23 is greater than the diameter of the screwed hole 112 of flange 11.
The diameter of bolt 21 has guaranteed that less than the diameter of the screwed hole 112 of flange 11 bolt 21 passes the screwed hole 112 of flange 11, the thread segment length of bolt 21 is greater than the thickness sum of the boss 111 of the thickness of blind plate 13 and two flanges 11, guarantee when nut and backing plate fit in two flange main bodys 113 inboard respectively, the thread segment of bolt 21 separates two flanges 11, the length of bolt 21 is greater than the thickness sum of the boss 111 of the thickness of the thickness of blind plate 13, flange main body 113 and two flanges 11, guaranteed to make the applying of external force of bolt 21 rotations; The external diameter of nut 22 is greater than the maximum outside diameter of the diameter of the screwed hole 112 of flange 11 and backing plate 23 diameter greater than the screwed hole 112 of flange 11, guaranteed to rotatablely move and changed rectilinear motion into, and then it has been passed to the rectilinear motion of two flanges by the screw pair that bolt 21 and nut 22 are formed.
Particularly, in order to pass on the basis of screwed hole 112 satisfying bolt 21, guarantee the counter-bending ability of bolt 21, the diameter dimension of bolt 21 should be greater than the radius size of screwed hole 112; In order to guarantee that distance that two flanges 11 separate satisfies the replacing requirement of blind plate, the thread segment length that can make bolt 21 is greater than thickness and about 10mm of the boss 111 of the thickness of blind plate 13 and two flanges 11; Applying of applied external force for convenience can make thickness and the about 10mm to 20mm of the length of bolt 21 greater than the boss 111 of the thickness of the thickness of blind plate 13, flange main body 113 and two flanges 11.
As shown in Figure 2, when needs carry out the replacing of blind plate 13, at first the thread segment of bolt 21 is passed the screwed hole 112 of a flange, the end of thread segment that makes bolt 21 is between two flanges 11, then nut 22 is threaded onto bolt 21, and backing plate 23 is positioned over screwed hole 112 places of another flange between two flanges 11, rotating bolt 21, make bolt 21 close to another flange 11 with respect to nut 22, in backing plate 23, be further rotated bolt 21 until the end portion supports of bolt 21, utilize the length variations of bolt 21 to change distance between nut 22 and the backing plate 23, and then change distance between two flanges 11, thereby carry out the replacing of blind plate 13.
As can be seen, attaching/detaching apparatus provided by the utility model utilizes the effect of screw pair, rotatablely moving of screw pair become the rectilinear motion of two flanges, overcome the effect of extraneous stress, realized the replacing of blind plate 13, reduce the complexity in the blind plate 13 replacing processes, reduced human and material resources required in the operating process, improved the security in staff's course of work.
Please refer to Fig. 3, Fig. 3 is in the structural representation of operating position for a kind of specific embodiment of the nut of attaching/detaching apparatus provided by the utility model.
In a kind of specific embodiment, the nut 22 of attaching/detaching apparatus provided by the utility model can be square nut; When bolt 21 passes the screwed hole 112 of flange 11, and square nut is when being threaded onto bolt 21, and the maximum gauge of square nut is greater than the center of nut 22 and the minimum range between the boss 111.
Like this, when swivel bolt 21, the sidewall of square nut just contacts with the boss 111 of flange 11, thereby limited rotatablely moving of nut 22, make the nut 22 and the main body of flange 11 fit, when having realized that easily bolt 21 rotates, nut 22 is done rectilinear motion, and then has realized the separation of two flanges 11 and the replacing of blind plate 13.
Please refer to Fig. 4, Fig. 4 is the structural representation of second kind of specific embodiment of the nut of attaching/detaching apparatus provided by the utility model.
In the another kind of specific embodiment, the sidewall of nut 22 provided by the utility model is fixed with screens parts 24; When bolt 21 passes the screwed hole 112 of flange 11, and nut 22 is when being threaded onto bolt 21, and the ultimate range of the centre distance screens parts 24 of nut 22 is greater than the center of nut 22 and the minimum range between the boss 111.
Thereby when carrying out blind plate 13 replacings, swivel bolt 21, screens parts 24 fixing on the sidewall of nut 22 just contact with the boss 111 of flange 11, thereby not only limited rotatablely moving of nut 22, make the nut 22 and the main body of flange 11 fit, having realized easily rotatablely moving changes to rectilinear motion ground, and the replacing of the separation of two flanges 11 and blind plate 13; And the processing of nut with screens parts 24 is very convenient, has reduced the processing cost of attaching/detaching apparatus provided by the utility model.
Particularly, above-mentioned screens parts 24 can be the screens rod, have further reduced processing cost.Certainly, screens parts 24 also can have other structure.
In the concrete fixation procedure,, the screens rod can be welded in the sidewall of nut 22 for the reliability that guarantees to connect.Certainly, by other modes the sidewall that the screens rod is fixed in nut 22 also is fine.
More than attaching/detaching apparatus provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. an attaching/detaching apparatus is used for the dismounting of blind plate (13) between flange (11), it is characterized in that, comprises backing plate (23), and bolt that cooperatively interacts (21) and nut (22); The diameter of described bolt (21) is less than the diameter of the screwed hole (112) of described flange (11), and the thread segment length of described bolt (21) is greater than the thickness sum of the boss (111) of the thickness of described blind plate (13) and two described flanges (11), and the length of described bolt (21) is greater than the thickness sum of the boss (111) of the thickness of the thickness of described blind plate (13), described flange main body (113) and two described flanges (11); The external diameter of described nut (22) is greater than the diameter of the screwed hole (112) of described flange (11); The maximum outside diameter of described backing plate (23) is greater than the diameter of the screwed hole (112) of described flange (11).
2. attaching/detaching apparatus according to claim 1 is characterized in that, described nut (22) is a square nut; When described bolt (21) passes the screwed hole (112) of described flange (11), and described square nut is when being threaded onto described bolt (21), and the maximum gauge of described square nut is greater than the center of described nut (22) and the minimum range between the described boss (111).
3. attaching/detaching apparatus according to claim 1 is characterized in that, the sidewall of described nut (22) is fixed with the screens parts; Pass the screwed hole (112) of described flange (11) when described bolt (21), and when described nut (22) was threaded onto described bolt (21), the ultimate range of the described screens parts of centre distance of described nut (22) was greater than the center of described nut (22) and the minimum range between the described boss (111).
4. attaching/detaching apparatus according to claim 3 is characterized in that, described screens parts are the screens rod.
5. attaching/detaching apparatus according to claim 4 is characterized in that described screens rod is welded in the sidewall of described nut (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201749147U CN201702745U (en) | 2010-04-28 | 2010-04-28 | Disassembling and assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201749147U CN201702745U (en) | 2010-04-28 | 2010-04-28 | Disassembling and assembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201702745U true CN201702745U (en) | 2011-01-12 |
Family
ID=43439894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201749147U Expired - Fee Related CN201702745U (en) | 2010-04-28 | 2010-04-28 | Disassembling and assembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201702745U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811294A (en) * | 2010-04-28 | 2010-08-25 | 中煤能源黑龙江煤化工有限公司 | Disassembling and assembling device and method |
| CN113967894A (en) * | 2020-07-23 | 2022-01-25 | 中国石油化工股份有限公司 | Rapid flange loosening and pressing device and operation method thereof |
| CN114526386A (en) * | 2022-01-07 | 2022-05-24 | 广东韶钢工程技术有限公司 | Flowmeter flange dismounting device and using method |
-
2010
- 2010-04-28 CN CN2010201749147U patent/CN201702745U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811294A (en) * | 2010-04-28 | 2010-08-25 | 中煤能源黑龙江煤化工有限公司 | Disassembling and assembling device and method |
| CN113967894A (en) * | 2020-07-23 | 2022-01-25 | 中国石油化工股份有限公司 | Rapid flange loosening and pressing device and operation method thereof |
| CN113967894B (en) * | 2020-07-23 | 2023-06-06 | 中国石油化工股份有限公司 | Quick loosening and compacting device for flange and operation method thereof |
| CN114526386A (en) * | 2022-01-07 | 2022-05-24 | 广东韶钢工程技术有限公司 | Flowmeter flange dismounting device and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20140428 |