CN211059582U - Filling type non-thrust sleeve compensator - Google Patents
Filling type non-thrust sleeve compensator Download PDFInfo
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- CN211059582U CN211059582U CN201922011281.1U CN201922011281U CN211059582U CN 211059582 U CN211059582 U CN 211059582U CN 201922011281 U CN201922011281 U CN 201922011281U CN 211059582 U CN211059582 U CN 211059582U
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- bearing bush
- sleeve
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Abstract
The utility model discloses a formula of filling does not have thrust sleeve compensator belongs to pipe connection equipment technical field. The utility model comprises a first sealing structure arranged between the first transition pipe and the outer wall of the telescopic core pipe, a second sealing structure arranged between the inner wall of the right end of the balance cavity outer pipe and the outer wall of the sleeve, and a third sealing structure arranged between the inner wall of the left end of the reducer pipe and the outer wall of the right end of the telescopic core pipe; because each sealing structure is provided with the material injection nozzle and the guide bearing bush, the guide bearing bush reduces the friction coefficient of the telescopic core pipe in the axial rotation, and the material injection nozzle supplements the sealing filler to eliminate leakage, thereby ensuring the reliable operation of the compensator.
Description
Technical Field
The utility model relates to a pipe connection equipment technical field, concretely relates to formula of filling does not have thrust sleeve compensator.
Background
The sleeve compensator is used as a compensation device of a hot fluid pipeline, is suitable for media such as hot water, steam, grease and the like, and achieves compensation of thermal expansion through sliding movement of the core pipe relative to the outer pipe or the outer shell. The existing sleeve compensator is additionally provided with a sealing mechanism on the basis of the sleeve compensator of the thermal power pipeline, so that a core pipe can be freely moved in a sealing state, and good compensation performance is guaranteed. However, due to the addition of the sealing mechanism, the friction coefficient of the sleeve compensator in axial rotation is increased, the abrasion of the sealing filler is accelerated, and the safe operation and the service life of the sleeve compensator are affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fill formula and do not have thrust sleeve compensator.
The technical scheme of the utility model is that: an injection filling type non-thrust sleeve compensator comprises a telescopic core pipe and a reducing pipe, wherein the left end of the reducing pipe is sleeved at the right end of the telescopic core pipe, the outer wall of the telescopic core pipe is sleeved with a sleeve, a balance cavity outer pipe is arranged outside the sleeve, the left end of the balance cavity outer pipe is connected with the outer wall of the telescopic core pipe through a balance cavity annular plate, the left side of the balance cavity annular plate is connected with a first transition pipe, and the first transition pipe is sleeved outside the telescopic core pipe; a first sealing structure is arranged between the first transition pipe and the outer wall of the telescopic core pipe; a second sealing structure is arranged between the inner wall of the right end of the balance cavity outer tube and the outer wall of the sleeve; a third sealing structure is arranged between the inner wall of the left end of the reducing pipe and the outer wall of the right end of the telescopic core pipe; the first sealing structure comprises a first packing gland, a first guide bearing bush and sealing packing arranged between the first packing gland and the first guide bearing bush, the first packing gland is connected to the first transition pipe through a first pull rod, and the first guide bearing bush is arranged close to the balance cavity ring plate; the second sealing structure comprises a second packing gland, a second guide bearing bush and sealing packing arranged between the second packing gland and the second guide bearing bush, and the second packing gland is connected to the balance cavity outer pipe through a second pull rod; the third sealing structure comprises a third packing gland, a third guide bearing bush and a sealing packing arranged between the third packing gland and the third guide bearing bush, and the third packing gland is connected to the reducer pipe through a third pull rod.
According to a further technical scheme, the second pull rod is sequentially connected with the balance cavity outer pipe, the second packing gland and the reducer pipe.
According to the further technical scheme, the sleeve is fixedly connected with the telescopic core pipe through welding, a balance cavity is formed among the sleeve, a balance cavity ring plate and a balance cavity outer plate, and the telescopic core pipe is provided with a through hole communicated with the balance cavity.
According to a further technical scheme, the first transition pipe is provided with a filling nozzle.
According to a further technical scheme, the balance cavity outer tube is provided with a filling nozzle.
According to a further technical scheme, the reducer pipe is provided with a filling nozzle.
The utility model has the advantages that:
the utility model improves the sealing structure, and the guiding bearing bush is arranged on one side of the sealing filler, thereby reducing the friction coefficient of the telescopic core pipe during axial rotation, reducing the loss of the sealing filler and avoiding the condition that the pipeline at the rotary joint is easy to wear; furthermore, each sealing structure is provided with a material injection nozzle for supplementing sealing filler, so that the sealing filler can be injected for multiple times under the normal operation state of the pipeline, leakage is eliminated, and the reliable operation of the compensator is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention,
the device comprises a telescopic core tube 1, a variable diameter tube 2, a sleeve 3, a balance cavity outer tube 4, a balance cavity ring plate 5, a balance cavity ring plate 6, a first transition tube 7, a first packing gland 8, a first guide bearing bush 9, a second packing gland 10, a second guide bearing bush 11, a third packing gland 12, a third guide bearing bush 13, sealing packing 14, a balance cavity 15, a through hole 16 and a filling nozzle.
Detailed Description
The invention will be further elucidated below by means of non-limiting examples, with the understanding that the invention is not limited thereto.
As shown in fig. 1, the utility model relates to an annotate formula of filling without thrust sleeve compensator, including flexible core pipe 1 and reducing pipe 2, the right-hand member of flexible core pipe 1 is located to the left end cover of reducing pipe 2, the outer wall cover of flexible core pipe 1 is equipped with sleeve 3, be connected through welded fastening between sleeve 3 and the flexible core pipe 1, sleeve 3's outside is equipped with balanced chamber outer tube 4, the left end of balanced chamber outer tube 4 is connected with the outer wall of flexible core pipe 1 through balanced chamber crown plate 5, sleeve 3 and balanced chamber crown plate 5, form balanced chamber 14 between the balanced chamber 14 planking, flexible core pipe 1 is equipped with the through-hole 15 with balanced chamber 14 intercommunication. When the compensator works, the circulating medium enters the balance cavity 14 through the through hole 15.
The left side of the balance cavity annular plate 5 is connected with a first transition pipe 6, and the first transition pipe 6 is sleeved outside the telescopic core pipe 1; a first sealing structure is arranged between the first transition pipe 6 and the outer wall of the telescopic core pipe 1; a second sealing structure is arranged between the inner wall of the right end of the balance cavity outer tube 4 and the outer wall of the sleeve 3; a third sealing structure is arranged between the inner wall of the left end of the reducer pipe 2 and the outer wall of the right end of the telescopic core pipe 1;
the first sealing structure comprises a first packing gland 7, a first guide bearing bush 8 and a sealing packing 13 arranged between the first packing gland 7 and the first guide bearing bush 8, the first packing gland 7 is connected to the first transition pipe 6 through a first pull rod, and the first guide bearing bush 8 is arranged close to the balance cavity ring plate 5; the first transition pipe 6 is provided with a filling nozzle 16 for supplementing the sealing filler 13.
The second sealing structure comprises a second packing gland 9, a second guide bearing bush 10 and a sealing packing 13 arranged between the second packing gland 9 and the second guide bearing bush 10, wherein the second packing gland 9 is connected to the balance cavity outer pipe 4 through the left end of a second pull rod and is connected to the reducer pipe 2 through the right end of the second pull rod; the balance cavity outer tube 4 is provided with a filling nozzle 16 for supplementing the sealing filler 13.
The third sealing structure comprises a third packing gland 11, a third guide bearing bush 12 and a sealing packing 13 arranged between the third packing gland 11 and the third guide bearing bush 12, the third packing gland 11 is connected to the reducer pipe 2 through a third pull rod, and a filling nozzle 16 used for supplementing the sealing packing 13 is arranged on the reducer pipe 2.
Because all be equipped with the direction axle bush in first seal structure, second seal structure, the third seal structure, coefficient of friction is little, has reduced gland packing 13's loss, has overcome and has connect the situation that the face was very easily worn and torn certainly, for the compensator among the prior art, the utility model discloses a compensation ability has obtained the improvement that is showing. The arrangement of the filling nozzle 16 ensures that the sealing filler 13 can be filled into the pipeline for multiple times under the normal operation state, the leakage is eliminated, and the reliable and stable operation of the compensator is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An injection filling type non-thrust sleeve compensator comprises a telescopic core pipe and a reducing pipe, wherein the left end of the reducing pipe is sleeved at the right end of the telescopic core pipe, the outer wall of the telescopic core pipe is sleeved with a sleeve, a balance cavity outer pipe is arranged outside the sleeve, the left end of the balance cavity outer pipe is connected with the outer wall of the telescopic core pipe through a balance cavity annular plate, the left side of the balance cavity annular plate is connected with a first transition pipe, and the first transition pipe is sleeved outside the telescopic core pipe; a first sealing structure is arranged between the first transition pipe and the outer wall of the telescopic core pipe; a second sealing structure is arranged between the inner wall of the right end of the balance cavity outer tube and the outer wall of the sleeve; a third sealing structure is arranged between the inner wall of the left end of the reducing pipe and the outer wall of the right end of the telescopic core pipe; the method is characterized in that: the first sealing structure comprises a first packing gland, a first guide bearing bush and sealing packing arranged between the first packing gland and the first guide bearing bush, the first packing gland is connected to the first transition pipe through a first pull rod, and the first guide bearing bush is arranged close to the balance cavity ring plate; the second sealing structure comprises a second packing gland, a second guide bearing bush and sealing packing arranged between the second packing gland and the second guide bearing bush, and the second packing gland is connected to the balance cavity outer pipe through a second pull rod; the third sealing structure comprises a third packing gland, a third guide bearing bush and a sealing packing arranged between the third packing gland and the third guide bearing bush, and the third packing gland is connected to the reducer pipe through a third pull rod.
2. The filled thrust-free sleeve compensator of claim 1, wherein: the second pull rod is sequentially connected with the balance cavity outer pipe, the second packing gland and the reducer pipe.
3. The filled thrust-free sleeve compensator of claim 1, wherein: the sleeve and the telescopic core pipe are fixedly connected through welding, a balance cavity is formed among the sleeve, the balance cavity ring plate and the balance cavity outer plate, and the telescopic core pipe is provided with a through hole communicated with the balance cavity.
4. The filled thrust-free sleeve compensator of claim 1, wherein: and the first transition pipe is provided with a filling nozzle.
5. The filled thrust-free sleeve compensator of claim 1, wherein: and the balance cavity outer pipe is provided with a filling nozzle.
6. The filled thrust-free sleeve compensator of claim 1, wherein: and the reducer pipe is provided with a filling nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011281.1U CN211059582U (en) | 2019-11-20 | 2019-11-20 | Filling type non-thrust sleeve compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011281.1U CN211059582U (en) | 2019-11-20 | 2019-11-20 | Filling type non-thrust sleeve compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059582U true CN211059582U (en) | 2020-07-21 |
Family
ID=71597183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922011281.1U Active CN211059582U (en) | 2019-11-20 | 2019-11-20 | Filling type non-thrust sleeve compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059582U (en) |
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2019
- 2019-11-20 CN CN201922011281.1U patent/CN211059582U/en active Active
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