CN209012622U - A kind of sleeve expansion joint with sealant automatic filling device - Google Patents
A kind of sleeve expansion joint with sealant automatic filling device Download PDFInfo
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- CN209012622U CN209012622U CN201821155541.1U CN201821155541U CN209012622U CN 209012622 U CN209012622 U CN 209012622U CN 201821155541 U CN201821155541 U CN 201821155541U CN 209012622 U CN209012622 U CN 209012622U
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- sealant
- filling
- core pipe
- pipeline
- outer tube
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Abstract
A kind of sleeve expansion joint with sealant automatic filling device, equipped with compensating sleeve device, compensating sleeve device mainly includes core pipe, packing seal component, outer tube and fastener, one end of core pipe is protruded into outer tube, packing seal component is filled in the gap being fixed between outer tube and core pipe by fastener, core pipe is set to fill up realization sliding compensation in seal assembly, the sealant filler of the stuffing-box filling sealant into packing seal component is equipped on packing seal component, sealant automatic filling device is fixed on compensating sleeve device, sealant automatic filling device mainly includes piston, filling case with fill cavity, sealant storage container with sealant storage chamber, main filling pipeline, bypass duct, compensate pipeline, check valve, unidirectional inlet valve, and bypass pressure limiting valve, in conduit running In the process, when airtight and watertight padding is worn, automatic filling sealant realizes the sealing of sleeve expansion joint, to achieve the purpose that non-maintaining.
Description
Technical field
The invention belongs to the technical field of sealing technology on conduit sleeve compensator, particularly relate to background technique one kind with close
Seal the sleeve expansion joint of agent automatic filling device.
Background technique
Sleeve expansion joint compensation ability is larger, and resisting corrosion of chlorine ion ability is strong, and easy for installation, occupied area is small, fluid resistance
Power is small, is widely used in hot fluid pipeline.Existing sleeve expansion joint uses packing seal, and by core pipe, filler is filled out
Expect letter, sealing ring, gland, outer tube and fastener composition, structure are shown in Fig. 1.The side end pipe design of outer tube has stuffing-box
As the space of indentation filler, the end pipe being inserted into the end is core pipe, is compacted filler in stuffing-box by gland.Work
When, core pipe and the opposite sliding of filler, realization seal and compensate piping displacement.Core pipe surface (slidingsurface) is specially treated, rubs
It is low to wipe coefficient, and the corrosion resistance and good under the environment such as salt water, salting liquid.
Sleeve expansion joint is through operation after a period of time, and filler, which can be worn, causes sealing effect to weaken, and sleeve expansion joint is easy
It leaks.There are three types of solutions for the prior art: first is that securable fastener again, compresses gland by filler, enhancing sealing
Performance；Second is that bolt is unclamped, gland is removed, is refilled into one or two layers airtight and watertight padding, is compressed gland, continue to use.Third is that
It injects between sliding core pipe and outer tube, sleeve expansion joint is carried out secondary from sealant filler depended on pressure by paste sealant
Sealing, allows to continue to use.To guarantee injection uniformly, each inlet is both needed to injection paste sealant.First two maintenance
Method must be carried out when system is out of service, influence the normal work of pipe-line system, while increasing very to the maintenance of pipeline
Big workload；The third method, injection paste sealant can realize the maintenance that do not stop production, but existing injection mode is artificial uses
High-pressure injection rifle injection, the bad control of paste sealant injection rate, sealing effect is not easy to guarantee, and large labor intensity, efficiency compared with
It is low.For a period of time, leakage problem can repeat conduit running, need to be safeguarded again, maintenance workload is big, and leads to pipeline
Operating cost increases.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of sleeve expansion joint with sealant automatic filling device,
During conduit running, when airtight and watertight padding is worn, automatic filling sealant realizes the sealing of sleeve expansion joint, thus
Achieve the purpose that non-maintaining.
To realize the above-mentioned technical purpose, used technical solution is: a kind of set with sealant automatic filling device
Cylinder compensator, is equipped with compensating sleeve device, compensating sleeve device mainly includes core pipe, packing seal component, outer tube and fastening
One end of part, core pipe is protruded into outer tube, and there are gap between outer core pipe, packing seal component is filled solid by fastener
It is scheduled in the gap between outer tube and core pipe, so that core pipe is being filled up realization sliding compensation in seal assembly, in packing seal group
Part is equipped with the sealant sprue of the stuffing-box filling sealant into packing seal component, sealant automatic filling device
It is fixed on compensating sleeve device, the sealant automatic filling device mainly includes piston, adding with fill cavity
Infuse case, the sealant storage container with sealant storage chamber, main filling pipeline, bypass duct, compensation pipeline, check valve, list
To inlet valve and bypass pressure limiting valve, filling case is fixedly connected with outer tube, filled with just in the fill cavity of filling case
One end of the sealant of beginning pressure, fill cavity is connected by main filling pipeline with sprue, is equipped on main filling pipeline single
To valve, the piston head of piston is stretched in fill cavity, and the piston rod of piston is fixedly connected with core pipe, make the axis direction of piston with
The slide displacement direction of core pipe is parallel, fill case fill cavity pass through respectively bypass duct, compensation pipeline with store it is close
The sealant storage chamber of envelope agent is connected, and bypass pressure limiting valve is equipped on bypass duct, and unidirectional sucking is equipped on compensation pipeline
Valve.
The beneficial effects of the present invention are: the configuration of the present invention is simple, sealing effect is good, can automatic filling sealing after filler abrasion
Agent, guarantee sleeve expansion joint long-term safety run No leakage, realize sleeve expansion joint safeguard less even it is non-maintaining, solve manually
It safeguards bring disassembly gland, install airtight and watertight padding additional and artificial filling sealant large labor intensity, sealing effect is unstable etc. asks
Topic, effectively increases the security reliability of sleeve expansion joint.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of sealant automatic filling device of the invention；
In figure: 1, check valve, 2, filling case, 201, fill cavity, 3, bypass pressure limiting valve, 4, sealant storage container, 401,
Sealant storage chamber, 5, unidirectional inlet valve, 6, piston, 601, piston rod, 602, piston head, 7, core pipe, 8, gland, 9, filler,
10, sprue, 11, lantern ring, 12, stuffing-box, 13, outer tube, 14, fastener, 15, main filling pipeline, 16, bypass duct,
17, pipeline is compensated.
Specific embodiment
The preferred embodiment of invention is provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.Here, it will give
The present invention is described in detail for respective drawings out.It should be strongly noted that preferred implementation example as described herein is only used
In the description and interpretation present invention, the present invention is not limited to or limited.
As shown in Fig. 2, a kind of sleeve expansion joint with sealant automatic filling device, is equipped with compensating sleeve device, set
Cylinder compensation device mainly includes core pipe 7, packing seal component, outer tube 13 and fastener, and outer tube 13 is protruded into one end of core pipe 7
It is interior, and there are gap between outer core pipe 7, packing seal component is fixed on outer tube 13 and core pipe 7 by the filling of fastener 14
Between gap in, make core pipe 7 filling up in seal assembly realize sliding compensation, on packing seal component be equipped with to filler it is close
Stuffing-box 12 in sealing assembly is sealed the sprue 10 of agent filling.Packing seal component is that existing structure has stuffing-box 12
And the filler 9 compressed between stuffing-box 12 by stuffing-box 12 is set, the compression to filler is by gland 8 and fastening
What part 14 was realized, bolt can be selected in fastener, and gland is fastened on outer tube 13 by bolt, makes to protrude into outer tube 13 and core
Gland between pipe 7 holds out against stuffing-box 12, and sprue 10 is multiple by being circumferentially uniformly arranged, and each sprue 10 can carry out close
Seal the filling of agent.
As shown in Figure 2 and Figure 3, sealant automatic filling device with sleeve expansion joint to install, it can also be used to existing set
The transformation of cylinder compensator.Fill cavity specification should be determined according to sleeve expansion joint stuffing-box size and compensation rate.Sealant adds automatically
Dispensing device is fixed on compensating sleeve device, and the sealant automatic filling device mainly includes piston 6, has filling
The filling case 2 of chamber 201, the sealant storage container 4 with sealant storage chamber 401, main filling pipeline 15, bypass duct 16,
Pipeline 17, check valve 1, unidirectional inlet valve 5 and bypass pressure limiting valve 3 are compensated, filling case 2 is fixedly connected with outer tube 13, housing
Pipe one end is pipeline fixing bracket, therefore is relatively-stationary.Fill the axis direction of case 2 and the slide displacement direction of core pipe 7
Parallel, filled with the sealant with initial pressure in the fill cavity 201 of filling case 2, one end of fill cavity 201 passes through master
Filling pipeline 15 is connected with sprue 10, and the sprue 10 of Xiang Suoyou is passed through sealant, is equipped on main filling pipeline 15 single
It to valve 1, realizes from fill cavity 201 to sprue 10 and is passed through sealant, but sealant cannot reversely flow back to fill cavity 201, utilize
The sucking and filling of mobile realization sealant of the piston in fill cavity, check valve 1, which controls sealant, to be entered by fill cavity
Stuffing-box prevents from moving the sealant sucking fill cavity by stuffing-box to the left with piston.The piston head of piston 6 stretches to
In fill cavity 201, and match with the section of fill cavity 201, meet the principle of piston promotion, the sealant in side is released
Fill cavity 201 enters sealant sprue 10 by main filler pipe 15, and the piston rod of piston 6 is fixedly connected with core pipe 7, makes piston 6
Axis direction it is parallel with the slide displacement direction of core pipe 7, using core pipe 7 sliding realize piston to the right move to filler
Sealant is filled in letter, realizes that piston moves the benefit realized to sealant in fill cavity 201 to the left using the sliding of core pipe 7
It fills, the fill cavity 201 for filling case 2 is stored up with the sealant for storing sealant by bypass duct 16, compensation pipeline 17 respectively
It deposits chamber 401 to be connected, bypass pressure limiting valve 3 is equipped on bypass duct 16, be equipped with unidirectional inlet valve 5 on compensation pipeline 17.Add
Infusing chamber specification can determine according to sleeve expansion joint stuffing-box size and compensation rate.If sealant has filled in stuffing-box, then seal
Agent can not continue to inject, at this moment sealant pressure rise in fill cavity, until bypass pressure limiting valve 3 is opened, extra close when setting pressure
Envelope agent, which is discharged into sealant storage chamber 401, to be stored.
After automatic filling device is installed, sealant is full of in fill cavity 201, and apply certain initial pressure.
When normal work, with expanding with heat and contract with cold for pipeline, core pipe 7 is slided in stuffing-box.When 7 Slideslip to the right of core pipe, drives and live
Plug 6 moves to the right, the sealant in fill cavity 201 is injected by sprue 10 in the stuffing-box of sleeve expansion joint.When close
Envelope agent fills pressure increase when filling, when fill pressure be greater than limit pressure when, bypass pressure limiting valve 3 is opened, excess encapsulant into
Enter and is stored in the sealant storage chamber 401 of sealant storage container.When 7 Slideslip to the left of core pipe, band piston 6 is to the left
Side is mobile, and pressure reduction in fill cavity 201, unidirectional inlet valve 5 is opened, and will be stored in the sealant in sealant storage chamber 401
It is automatically drawn into fill cavity, is ready for injection next time.Check valve 1, which controls sealant, to enter stuffing-box by fill cavity,
It prevents from moving to the left with piston and the sealant in stuffing-box is sucked into fill cavity.For the supplement and storage for meeting sealant,
There is a certain amount of sealant in sealant storage container, it is low that compensation pipeline 17 will protrude into the chamber close to sealant storage chamber 401,
To guarantee the abundant use of sealant.
When sleeve expansion joint gap occurs, the present apparatus is automatic after filler abrasion through operation after a period of time in stuffing-box
Sealant is injected in stuffing-box, guarantees the running reliable sealing of sleeve expansion joint.And as pipeline expands with heat and contract with cold, will seal
Agent is automatically drawn into fill cavity from storage container.The present apparatus is able to achieve sleeve expansion joint product longtime running No leakage, improves peace
Full reliability solves manual maintenance problem, realizes the non-maintaining operation of sleeve expansion joint.
The above is only preferred embodiment of the invention, the present invention is not limited to or limited.For grinding for this field
Study carefully or technical staff for, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should be included within the protection scope that the present invention is stated.
Claims (1)
1. a kind of sleeve expansion joint with sealant automatic filling device is equipped with compensating sleeve device, compensating sleeve device master
It to include core pipe (7), packing seal component, outer tube (13) and fastener, one end of core pipe (7) is protruded into outer tube (13),
And there are gap between outer core pipe (7), packing seal component is fixed on outer tube (13) and core by fastener (14) filling
It manages in the gap between (7), so that core pipe (7) is being filled up realization sliding compensation in seal assembly, be equipped on packing seal component
Stuffing-box (12) into packing seal component is sealed the sprue (10) of agent filling, it is characterised in that: sealant is automatic
Filling apparatus is fixed on compensating sleeve device, and the sealant automatic filling device mainly includes piston (6), has
The filling case (2) of fill cavity (201), the sealant storage container (4) with sealant storage chamber (401), main filling pipeline
(15), bypass duct (16), compensation pipeline (17), check valve (1), unidirectional inlet valve (5) and bypass pressure limiting valve (3), filling
Case (2) is fixedly connected with outer tube (13), filled with the sealing with initial pressure in the fill cavity (201) of filling case (2)
One end of agent, fill cavity (201) is connected by main filling pipeline (15) with sprue (10), is set on main filling pipeline (15)
Have check valve (1), the piston head of piston (6) stretches in fill cavity (201), the piston rod of piston (6) and core pipe (7) fixed company
It connects, keeps the axis direction of piston (6) parallel with the slide displacement direction of core pipe (7), the fill cavity (201) point of filling case (2)
Not Tong Guo bypass duct (16), compensation pipeline (17) be connected with the sealant storage chamber (401) for storing sealant, on side
Road pipeline (16) is equipped with bypass pressure limiting valve (3), is equipped with unidirectional inlet valve (5) in compensation pipeline (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155541.1U CN209012622U (en) | 2018-07-20 | 2018-07-20 | A kind of sleeve expansion joint with sealant automatic filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155541.1U CN209012622U (en) | 2018-07-20 | 2018-07-20 | A kind of sleeve expansion joint with sealant automatic filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012622U true CN209012622U (en) | 2019-06-21 |
Family
ID=66829305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821155541.1U Active CN209012622U (en) | 2018-07-20 | 2018-07-20 | A kind of sleeve expansion joint with sealant automatic filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209012622U (en) |
-
2018
- 2018-07-20 CN CN201821155541.1U patent/CN209012622U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |