CN114294502A - Safe type explosion-proof compensator - Google Patents

Safe type explosion-proof compensator Download PDF

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Publication number
CN114294502A
CN114294502A CN202111556170.4A CN202111556170A CN114294502A CN 114294502 A CN114294502 A CN 114294502A CN 202111556170 A CN202111556170 A CN 202111556170A CN 114294502 A CN114294502 A CN 114294502A
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CN
China
Prior art keywords
wall
compression
pipe body
cavity
pipeline
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Pending
Application number
CN202111556170.4A
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Chinese (zh)
Inventor
丁建中
丁鹏
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Taizhou Xinghai Pipe Industry Co ltd
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Taizhou Xinghai Pipe Industry Co ltd
Priority date (The priority date 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 date listed.)
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Application filed by Taizhou Xinghai Pipe Industry Co ltd filed Critical Taizhou Xinghai Pipe Industry Co ltd
Priority to CN202111556170.4A priority Critical patent/CN114294502A/en
Publication of CN114294502A publication Critical patent/CN114294502A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of explosion-proof compensators, and particularly discloses a safe explosion-proof compensator which comprises a pipe body and a pipeline, wherein the pipeline is arranged inside a port of the pipe body, flange plates are arranged on the surfaces of the pipeline and the pipe body, a cavity is formed in the inner wall of the pipe body, a compression-resistant assembly is arranged on the inner wall of the cavity, an expansion pipe is arranged inside the pipe body, rubber cushions are arranged on the expansion pipe and the compression-resistant assembly, and the compression-resistant assembly comprises a compression-resistant plate, a movable rod and a spring; the cavity is arranged on the inner wall of the pipe body to install the pressure resisting assembly, so that the movable rod and the spring in the pressure resisting assembly are used for providing supporting force for the pressure resisting plate, when the pressure resisting plate receives the thermal stress transmitted to the rubber cushion from the expansion pipe, the pressure resisting plate can transmit the force to the movable rod, meanwhile, the spring is compressed, the elastic force of the spring is utilized to eliminate the effect of the thermal stress, and the effect of enhancing the resistance of the pipe body to the thermal stress is achieved.

Description

Safe type explosion-proof compensator
Technical Field
The invention relates to the technical field of explosion-proof compensators, in particular to a safe explosion-proof compensator.
Background
The pipeline compensator is mainly used for compensating expansion and contraction caused by temperature change of a pipeline, after the pipeline is heated, the pipeline can generate thermal stress, the pipeline is broken due to overlarge thermal stress, normal production of the pipeline is affected, the compensator is required to be used for enhancing the thermal stress resistance of the pipe body, but the existing compensator is used in practice, the compensator is purely dependent on a corrugated expansion block arranged on the compensator, the strength and the toughness of the compensator are enhanced, the thermal stress resistance is improved, the mode is too single, and the effect of resisting the thermal stress is not ideal.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the safety type explosion-proof compensator which has the advantage of good thermal stress resistance.
The safety type explosion-proof compensator comprises a pipe body and a pipe, wherein the pipe is arranged inside a port of the pipe body, flange plates are arranged on the surfaces of the pipe and the pipe body, a cavity is formed in the inner wall of the pipe body, a compression-resistant assembly is arranged on the inner wall of the cavity, an expansion pipe is arranged inside the pipe body, rubber cushions are arranged on the expansion pipe and the compression-resistant assembly, the compression-resistant assembly comprises a compression-resistant plate, a movable rod and a spring, one side of the compression-resistant plate is fixedly connected with the end face of the movable rod, and one end of the spring is arranged on the side face of the compression-resistant plate.
Through the design of the technical scheme, the inner wall at the body sets up the cavity, come to install the resistance to compression subassembly, thereby use movable rod and spring in the resistance to compression subassembly, the resistance to compression clamp plate provides the holding power, and when the resistance to compression board received the thermal stress who transmits for the rubber cushion from the expansion pipe, the resistance to compression board can transmit power for the movable rod again, go compression spring simultaneously, utilize the elasticity of spring to eliminate the effect of thermal stress, reach the resistance effect of reinforcing body to thermal stress.
As a further improvement of the invention, the end surface of the pressure resisting plate is movably connected with the inner wall of the cavity, and one end of the spring, which is far away from the pressure resisting plate, is fixedly connected with the inner wall of the cavity.
As a further improvement of the invention, the end surface of the movable rod is fixedly connected with a piston block, the inner wall of the pipe body is provided with a hollow chamber, and the piston block is movably connected with the inner wall of the hollow chamber.
As a further improvement of the invention, a rubber cushion is fixedly arranged on the inner wall of the hollow chamber, the rubber cushion is fixedly arranged on the inner wall of the cavity, one side of the rubber cushion is movably attached to the side surface of the pressure resistant plate, and the other side of the rubber cushion is contacted with the outer wall of the expansion pipe.
Through the design of the technical scheme, the piston block is additionally arranged on the end face of the movable rod, the piston block is convenient to use to extrude the gas in the hollow chamber, and the rubber air cushion in the upper hollow chamber is matched to be compressed and contracted to weaken the acting force on the movable rod and weaken the influence of the thermal stress in the expansion pipe.
As a further improvement of the invention, the inner wall of the hollow chamber is provided with a concave hole, and the inner wall of the concave hole is movably connected with a baffle through a torsion spring and a rotating rod.
Through the design of the technical scheme, the concave hole is formed in the hollow chamber, the baffle which is movably installed by the torsion spring and the rotating rod is arranged on the inner wall of the concave hole, the baffle can be automatically opened when the piston block extrudes air, the space in the hollow chamber is increased, and meanwhile, the effect of further weakening the thermal stress is achieved by the elasticity of the torsion spring.
As a further improvement of the invention, a sealing assembly is arranged inside the side wall of the pipe body, a spacer matched with the sealing assembly is arranged on the surface of the pipeline, and a sealing groove for mounting the spacer is formed on the surface of the pipeline.
As a further improvement of the invention, the sealing assembly comprises an air bag, a conduit and a rubber inflatable cushion, the conduit is fixedly arranged between the air bag and the rubber inflatable cushion, and the air bag and the rubber inflatable cushion are both fixedly arranged in the inner wall of the tube body.
As a further improvement of the present invention, a first sealing ring is disposed on the surface of the pipeline, a second sealing ring is disposed on the inner wall of the pipe body, and the first sealing ring and the second sealing ring are embedded with each other.
Through the design of the technical scheme, the sealing assembly is arranged in the side wall of the pipe body, the air bag in the sealing assembly is extruded by the sealing assembly when the pipeline is thermally expanded, so that the gas inside the air bag can enter the rubber inflatable cushion along the pipe, the air bag is clamped into the sealing groove to seal the pipe body and the pipeline, meanwhile, the pipeline is also allowed to have enough space for thermal expansion, and the phenomenon that the pipeline and the pipe body are cracked due to rigid contact is avoided.
As a further improvement of the invention, the surface of the pipe body is uniformly and fixedly connected with expansion blocks, and the expansion blocks are positioned at the corresponding positions of the empty chambers.
Compared with the prior art, the invention has the following beneficial effects:
1. the cavity is arranged on the inner wall of the pipe body to install the pressure resisting assembly, so that the movable rod and the spring in the pressure resisting assembly are used for providing supporting force for the pressure resisting plate, when the pressure resisting plate receives the thermal stress transmitted to the rubber cushion from the expansion pipe, the pressure resisting plate can transmit the force to the movable rod, meanwhile, the spring is compressed, the elastic force of the spring is utilized to eliminate the effect of the thermal stress, and the effect of enhancing the resistance of the pipe body to the thermal stress is achieved.
2. The piston block is additionally arranged on the end face of the movable rod, so that the piston block can be conveniently used for extruding air in the hollow chamber, the rubber air cushion in the hollow chamber is compressed and contracted to weaken the acting force on the movable rod and weaken the influence of the thermal stress in the expansion pipe, the concave hole is formed in the hollow chamber, the baffle plate movably mounted by the torsion spring and the rotating rod is arranged on the inner wall of the concave hole, the baffle plate can automatically open when the piston block extrudes the air to enlarge the space in the hollow chamber, and meanwhile, the action effect of the thermal stress is further weakened by the elasticity of the torsion spring.
3. According to the invention, the sealing assembly is arranged in the side wall of the pipe body, so that the air bag in the sealing assembly is extruded by the sealing assembly when the pipeline is thermally expanded, the gas in the air bag can enter the rubber inflatable cushion along the guide pipe and then is clamped into the sealing groove to seal the pipe body and the pipeline, meanwhile, the pipeline has enough space for thermal expansion, and the phenomenon that the pipeline and the pipe body are cracked due to rigid contact is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic front sectional view;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic side sectional view;
fig. 4 is an enlarged schematic view of B in fig. 3.
In the figure: 1. a pipe body; 2. a compression resistant assembly; 201. a pressure resistant plate; 202. a movable rod; 203. a spring; 3. a cavity; 4. an empty chamber; 5. a piston block; 6. a rubber air cushion; 7. a rubber cushion; 8. concave holes; 9. a baffle plate; 10. a flange plate; 11. a pipeline; 12. a seal assembly; 121. an air bag; 122. a conduit; 123. a rubber inflatable cushion; 13. a sealing groove; 14. a spacer; 15. a first seal ring; 16. a second seal ring; 17. an expansion block; 18. and (4) expanding the tube.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these physical details should not be construed as limiting the invention. That is, in some embodiments of the invention, such physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
referring to fig. 1 and 2, the safety type explosion-proof compensator comprises a pipe body 1 and a pipeline 11, wherein the pipeline 11 is arranged inside a port of the pipe body 1, flanges 10 are arranged on the surfaces of the pipeline 11 and the pipe body 1, a cavity 3 is arranged on the inner wall of the pipe body 1, a pressure-resistant component 2 is arranged on the inner wall of the cavity 3, an expansion pipe 18 is arranged inside the pipe body 1, the expansion pipe 18 and the pressure-resistant component 2 are provided with rubber cushions 7, the pressure-resistant component 2 comprises a pressure-resistant plate 201, the movable rod 202 and the spring 203, one side of resistance to compression board 201 and the terminal surface fixed connection of movable rod 202, the one end setting of spring 203 is on the side of resistance to compression board 201, the terminal surface of resistance to compression board 201 and the inner wall swing joint of cavity 3, the one end that resistance to compression board 201 was kept away from to spring 203 and the inner wall fixed connection of cavity 3, the even fixedly connected with inflation piece 17 in surface of body 1, inflation piece 17 is located the corresponding position of air cavity 4.
Embodiment 1 sets up cavity 3 at the inner wall of body 1, come to counter pressure subassembly 2 and install, thereby use movable rod 202 and spring 203 among the resistance to compression subassembly 2, counter pressure board 201 provides the holding power, and when the resistance to pressure board 201 received the thermal stress who transmits for rubber cushion 7 from expansion pipe 18, resistance to pressure board 201 can transmit power for movable rod 202 again, go compression spring 203 simultaneously, utilize the elasticity of spring 203 to eliminate the effect of thermal stress, reach the resistance effect of reinforcing body 1 to thermal stress, shrinkage pool 8 has been seted up to the inner wall of cavity 4, there is baffle 9 inner wall of shrinkage pool 8 through torsional spring and bull stick swing joint, utilize expansion block 17 to come further reinforcing body 1 compressive capacity in cavity 4 position department.
Example 2:
referring to fig. 1 and 2, the end surface of the movable rod 202 is fixedly connected with a piston block 5, the inner wall of the pipe body 1 is provided with a cavity 4, the piston block 5 is movably connected with the inner wall of the cavity 4, the inner wall of the cavity 4 is fixedly provided with a rubber cushion 6, a rubber cushion 7 is fixedly arranged on the inner wall of the cavity 3, one side of the rubber cushion 7 is movably attached to the side surface of the compression-resistant plate 201 and one side of the rubber cushion is contacted with the outer wall of the expansion pipe 18,
what is different from embodiment 1 is that add piston block 5 at the terminal surface of movable rod 202, it removes the inside gas of extrusion air pocket 4 to facilitate the use of piston block 5, the cooperation is gone up the inside rubber air cushion 6 of air pocket 4 and is carried out the pressurized contraction, weaken the effort on the movable rod 202, weaken the influence of the inside thermal stress of expansion tube 18, offer shrinkage pool 8 in the inside of air pocket 4, and the inner wall at shrinkage pool 8 is provided with the baffle 9 that has torsional spring and bull stick to carry out movable mounting, can let baffle 9 open automatically when receiving piston block 5 extrusion air, increase the inside space of air pocket 4, utilize the elasticity of torsional spring to come the effect of further weakening thermal stress effect simultaneously.
Example 3:
referring to fig. 1, 3 and 4, a sealing assembly 12 is disposed inside a side wall of a pipe body 1, a spacer 14 adapted to the sealing assembly 12 is disposed on a surface of a pipe 11, a sealing groove 13 for mounting the spacer 14 is disposed on the surface of the pipe 11, the sealing assembly 12 includes an air bag 121, a guide pipe 122 and a rubber inflatable cushion 123, the guide pipe 122 is fixedly mounted between the air bag 121 and the rubber inflatable cushion 123, the air bag 121 and the rubber inflatable cushion 123 are both fixedly mounted in an inner wall of the pipe body 1, a first sealing ring 15 is disposed on the surface of the pipe 11, a second sealing ring 16 is disposed on the inner wall of the pipe body 1, and the first sealing ring 15 and the second sealing ring 16 are embedded with each other.
Different from embodiment 2, set up seal assembly 12 in the lateral wall of body 1, let gasbag 121 in seal assembly 12 be by its extrusion when pipeline 11 thermal expansion, make the inside gas of gasbag 121 can enter into rubber inflatable packer 123 along pipe 122, thereby the inside of card income seal groove 13, accomplish the sealed effect between body 1 and pipeline 11, also let pipeline 11 have sufficient space to carry out thermal expansion simultaneously, avoid hard contact to lead to pipeline 11 and body 1 to appear cracked phenomenon.
In the use of the invention: firstly, the heat expansion action of the expansion pipe 18 is utilized to transmit the heat expansion acting force to the rubber soft cushion 7, the elastic force of the rubber soft cushion 7 is utilized to weaken partial acting force, meanwhile, the acting force is transmitted to the pressure-resistant plate 201, the pressure-resistant plate 201 compresses the spring 203, the acting force is weakened again by matching with the elastic force of the spring 203, the movable rod 202 drives the piston block 5 to move on the inner wall of the empty chamber 4 to extrude the air in the empty chamber 4, at the moment, the rubber air cushion 6 is compressed and contracted and pushes away the baffle plate 9, so that the air in the empty chamber 4 enters the concave hole 8, thereby increasing the space inside the chamber 4 to weaken the compression of the inner wall of the chamber 4, and when the pipe 11 is thermally expanded, the air bag 121 is pressed, the air inside the air bag 121 enters the rubber inflatable cushion 123 along the conduit 122, so that the rubber inflatable cushion 123 expands and enters the sealing groove 13 to seal the pipeline 11 and the pipe body 1.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. The utility model provides an explosion-proof compensator of safe type, includes body and pipeline, its characterized in that:
the pipeline is arranged inside the port of the pipe body, and the surfaces of the pipeline and the pipe body are provided with flange plates;
the inner wall of the pipe body is provided with a cavity, the inner wall of the cavity is provided with a compression-resistant assembly, an expansion pipe is arranged inside the pipe body, and the expansion pipe and the compression-resistant assembly are provided with rubber cushions;
the compression-resistant assembly comprises a compression-resistant plate, a movable rod and a spring, wherein one side of the compression-resistant plate is fixedly connected with the end face of the movable rod, and one end of the spring is arranged on the side face of the compression-resistant plate.
2. The safety explosion-proof compensator according to claim 1, wherein: the end face of the pressure resisting plate is movably connected with the inner wall of the cavity, and one end, far away from the pressure resisting plate, of the spring is fixedly connected with the inner wall of the cavity.
3. The safety explosion-proof compensator according to claim 1, wherein: the terminal surface fixedly connected with piston block of movable rod, the cavity has been seted up to the inner wall of body, the inner wall swing joint of piston block and cavity.
4. A safety explosion-proof compensator according to claim 3, wherein: the inner wall fixed mounting of air chamber has the rubber air cushion, rubber cushion fixed mounting is at the inner wall of cavity, the side activity laminating of rubber cushion one side and resistance to compression board and the outer wall contact of one side and expansion pipe.
5. A safety explosion-proof compensator according to claim 3, wherein: the inner wall of the empty chamber is provided with a concave hole, and the inner wall of the concave hole is movably connected with a baffle through a torsion spring and a rotating rod.
6. The safety explosion-proof compensator according to claim 1, wherein: the inside of body lateral wall is provided with seal assembly, the surface of pipeline sets up the shock insulator with seal assembly looks adaptation, the seal groove that is used for installing the shock insulator is seted up on the surface of pipeline.
7. The safety explosion-proof compensator of claim 6, wherein: the sealing assembly comprises an air bag, a guide pipe and a rubber inflatable cushion, the guide pipe is fixedly installed between the air bag and the rubber inflatable cushion, and the air bag and the rubber inflatable cushion are fixedly installed in the inner wall of the pipe body.
8. The safety explosion-proof compensator according to claim 1, wherein: the surface of pipeline is provided with first sealing washer, the inner wall of body is provided with the second sealing washer, first sealing washer and the mutual gomphosis of second sealing washer.
9. The safety explosion-proof compensator according to claim 1, wherein: the surface of the pipe body is uniformly and fixedly connected with expansion blocks, and the expansion blocks are located at the positions corresponding to the empty chambers.
CN202111556170.4A 2021-12-18 2021-12-18 Safe type explosion-proof compensator Pending CN114294502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111556170.4A CN114294502A (en) 2021-12-18 2021-12-18 Safe type explosion-proof compensator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111556170.4A CN114294502A (en) 2021-12-18 2021-12-18 Safe type explosion-proof compensator

Publications (1)

Publication Number Publication Date
CN114294502A true CN114294502A (en) 2022-04-08

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ID=80966794

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Application Number Title Priority Date Filing Date
CN202111556170.4A Pending CN114294502A (en) 2021-12-18 2021-12-18 Safe type explosion-proof compensator

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132740A1 (en) * 1991-10-02 1993-04-08 Doerper Hans Peter Compensator fitting between two adjoining pipe ends - has clamps with closed circumferential seals to provide gastight connection
CN103883661A (en) * 2014-03-13 2014-06-25 江苏大学 Slide valve type variable-damping shock absorber matched with air spring and working method thereof
CN106122655A (en) * 2016-08-30 2016-11-16 洛阳双瑞特种装备有限公司 A kind of air sac sealing sleeve expansion joint
CN108612951A (en) * 2018-06-25 2018-10-02 湖州贝德流体设备有限公司 A kind of connection structure for hot fluid pipeline
CN109578719A (en) * 2019-01-21 2019-04-05 安庆市鑫华腈工贸有限责任公司 A kind of sealing flange for pipelines and petrochemical pipelines connection
CN209067972U (en) * 2018-10-09 2019-07-05 江西天丰建设集团管业科技有限公司 A kind of double-colored reinforced composite pipe of bilayer ribbing
CN212960392U (en) * 2020-08-27 2021-04-13 泰兴市中江石化机械有限公司 High-pressure explosion-proof rotary compensator
CN214119269U (en) * 2020-12-26 2021-09-03 江苏中鑫波纹管有限公司 Safe explosion-proof self sealss rotary compensator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132740A1 (en) * 1991-10-02 1993-04-08 Doerper Hans Peter Compensator fitting between two adjoining pipe ends - has clamps with closed circumferential seals to provide gastight connection
CN103883661A (en) * 2014-03-13 2014-06-25 江苏大学 Slide valve type variable-damping shock absorber matched with air spring and working method thereof
CN106122655A (en) * 2016-08-30 2016-11-16 洛阳双瑞特种装备有限公司 A kind of air sac sealing sleeve expansion joint
CN108612951A (en) * 2018-06-25 2018-10-02 湖州贝德流体设备有限公司 A kind of connection structure for hot fluid pipeline
CN209067972U (en) * 2018-10-09 2019-07-05 江西天丰建设集团管业科技有限公司 A kind of double-colored reinforced composite pipe of bilayer ribbing
CN109578719A (en) * 2019-01-21 2019-04-05 安庆市鑫华腈工贸有限责任公司 A kind of sealing flange for pipelines and petrochemical pipelines connection
CN212960392U (en) * 2020-08-27 2021-04-13 泰兴市中江石化机械有限公司 High-pressure explosion-proof rotary compensator
CN214119269U (en) * 2020-12-26 2021-09-03 江苏中鑫波纹管有限公司 Safe explosion-proof self sealss rotary compensator

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Application publication date: 20220408