CN112145856B

CN112145856B - Pipeline damping device

Info

Publication number: CN112145856B
Application number: CN202011183687.9A
Authority: CN
Inventors: 王运生; 冯倩倩; 罗永红
Original assignee: Chengdu Univeristy of Technology
Current assignee: Chengdu Univeristy of Technology
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2022-03-01
Anticipated expiration: 2040-10-29
Also published as: CN112145856A

Abstract

The invention discloses a pipeline damping device which comprises a pipeline, an inner sleeve, an outer sleeve, a plurality of damping components, a first cover plate and a second cover plate, wherein the inner sleeve is sleeved on the outer wall of the pipeline, the outer sleeve is sleeved outside the inner sleeve, the damping components are connected between the inner sleeve and the outer sleeve, one end of the first cover plate penetrating through the pipeline is sleeved with a first end of the outer sleeve, the other end of the second cover plate penetrating through the pipeline is sleeved with a second end of the outer sleeve, and the first cover plate and the second cover plate are both installed in a floor slab. According to the pipeline damping device, the vibration energy is absorbed by the plurality of damping assemblies, so that the pipeline is prevented from being damaged due to overlarge vibration, and a good damping protection device is provided for indoor pipelines, particularly pipelines penetrating through a floor slab.

Description

Pipeline damping device

Technical Field

The invention relates to the technical field of pipeline damping, in particular to a pipeline damping device.

Background

In areas where earthquake disasters frequently occur, the damping of pipelines in houses can be said to be the most important, especially gas pipelines, and once the pipelines break, the greater disasters can be caused.

Disclosure of Invention

The invention aims to provide a pipeline damping device which is used for providing a better damping effect for an indoor pipeline, particularly a vertical pipeline penetrating through a floor slab, so as to solve the technical problems in the background art.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a pipeline damping device, includes pipeline, inner skleeve, outer sleeve, a plurality of damper, first apron and second apron, inner skleeve is located on the outer wall of pipeline, outer skleeve is located the outside of inner skleeve, and a plurality of damper connect in the inner skleeve with between the outer sleeve, first apron is worn to locate the one end of pipeline with the first end of outer sleeve cup joints, the second apron is worn to locate the other end of pipeline with the second end of outer sleeve cup joints, first apron with the second apron is all installed in the floor.

The inner sleeve and the outer sleeve can limit the plurality of damping components to avoid the plurality of damping components from deviating, and the plurality of damping components can effectively absorb the vibration of the floor slab, so that damage and breakage caused by larger vibration to a pipeline passing through the floor slab are avoided, and further injury is avoided.

Further, the damping assembly comprises a first connecting piece, a second connecting piece and a damping spring, wherein a first end of the damping spring is connected with the first connecting piece, and a second end of the damping spring is connected with the second connecting piece;

the first connecting piece penetrates through the outer sleeve and is attached to the first cover plate, and the second connecting piece penetrates through the inner sleeve and is attached to the pipeline.

The beneficial effects of the preferred embodiment are as follows: install damper on the pipeline, first apron receives the vibrations back that comes from the floor, can transmit vibrations for first connecting piece, and then first connecting piece can act on damping spring under the effect of vibrations, and then makes damping spring produce deformation to can the energy of active absorption vibrations, receive to shake for the pipeline and provide the buffering, avoid the pipeline directly to receive vibrations and then cause the damage.

Furthermore, an energy absorbing part is arranged on the first connecting part, a connecting rod is arranged on the second connecting part, one end of the connecting rod is fixedly connected with the second connecting part, the other end of the connecting rod is inserted into the energy absorbing part in a sliding mode, and the damping spring is sleeved on the energy absorbing part and the connecting rod.

The beneficial effects of the preferred embodiment are as follows: after the damping spring absorbs the energy of the vibration and deforms, the damping spring needs to release the energy to restore the original shape, at the moment, the energy released by the damping spring can be absorbed through the movement between the energy absorbing piece and the second connecting piece, and therefore the pipeline is prevented from being damaged due to the impact on the pipeline when the damping spring restores the original shape.

Further, the energy absorbing member is a hydraulic drive element.

The beneficial effects of the preferred embodiment are as follows: when the energy absorbing part adopts a hydraulic type, the vibration energy released by the damping spring can be converted into heat energy through the telescopic motion of the connecting rod in the energy absorbing part, so that the damping effect is realized.

Further, the one end of keeping away from damping spring on the second connecting piece is equipped with the boss, the boss wears to locate the inner skleeve with the pipeline laminating.

The beneficial effects of the preferred embodiment are as follows: the boss passes through the inner skleeve and contacts with the pipeline to can avoid damping component to take place to rotate in the inner skleeve through the cartridge, influence damping component's stability.

Furthermore, a plurality of first grooves matched with the bosses are formed in the end part of the inner sleeve, and the first grooves are symmetrically and uniformly distributed along the axis of the inner sleeve;

the end part of the outer sleeve is provided with a plurality of second grooves matched with the first connecting piece, the second grooves are symmetrically and uniformly distributed along the axis of the outer sleeve, and the first grooves correspond to the second grooves one to one.

The beneficial effects of the preferred embodiment are as follows: the tip of inner skleeve is provided with a plurality of first recesses, and a plurality of damper pass a plurality of first recesses and pipeline contact respectively to thereby prevent that a plurality of damper from taking place the skew with the contact department of pipeline and preventing that a plurality of damper from taking place to slide because of the pipeline is the cylinder design, and then influence damper's shock attenuation effect.

Furthermore, the end of the inner sleeve is provided with a plurality of first through holes matched with the bosses, or the end of the outer sleeve is provided with a plurality of second through holes matched with the first connecting pieces.

The beneficial effects of the preferred embodiment are as follows: the setting of first through-hole can restrict damper's slip skew completely, improves damper's stability, also needs apply great effort to damper when making the dismouting simultaneously and make damper can get into first through-hole.

The setting of second through-hole can restrict damper's slip skew completely, improves damper's stability, also needs apply great effort to damper when making the dismouting simultaneously and make damper can get into the second through-hole.

Further, the number of the shock absorption components is 2 or more than 2.

Furthermore, a plurality of first connecting plates are arranged on the outer wall of the first cover plate, and the first connecting plates are inserted or embedded in the floor slab;

and a third through hole for the pipeline to pass through is formed in the top of the first cover plate.

The beneficial effects of the preferred embodiment are as follows: the first connecting plates are inserted or embedded in the floor slab to achieve the effect of fixing the first cover plate and further fixing the pipeline damping device in the floor slab.

Furthermore, a plurality of second connecting plates are arranged on the outer wall of the second cover plate, and the second connecting plates are inserted or embedded in the floor slab;

and a fourth through hole for the pipeline to pass through is formed in the top of the second cover plate.

The beneficial effects of the preferred embodiment are as follows: and the second connecting plates are inserted or embedded in the floor slab to fix the second cover plate and further fix the pipeline damping device in the floor slab.

The invention has the beneficial effects that:

according to the pipeline damping device, the first cover plate and the second cover plate are both arranged in the floor slab, the inner sleeve is sleeved on the outer wall of the pipeline, the outer sleeve is sleeved outside the inner sleeve, the damping components are connected between the inner sleeve and the outer sleeve, the inner sleeve and the outer sleeve can limit the damping components, so that the damping components are prevented from being deviated, and the damping components can effectively absorb the vibration of the floor slab; when earthquake and other shock disasters occur, the first cover plate can receive the shock transmitted from the floor slab and transmit the shock to the first connecting piece, then the damping spring is stressed to deform to absorb the vibration energy, then the damping spring can restore to the original state and release the vibration energy, the energy absorbing piece can absorb the vibration energy released by the damping spring through relative movement with the connecting rod, so that the pipeline is buffered in a shock environment, the pipeline is prevented from being damaged or even broken, and the shock absorption effect of the indoor pipeline, particularly the pipeline penetrating through the floor slab, is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the pipe damper according to the present invention;

FIG. 2 is a schematic structural view of the shock absorbing assembly of the present invention;

FIG. 3 is a schematic view of the installation structure of the shock absorbing assembly and the inner sleeve of the present invention;

FIG. 4 is a schematic view of the connection structure between the damping member and the inner and outer sleeves of the present invention;

FIG. 5 is a schematic view of the mounting structure of the shock absorbing assembly and the outer sleeve of the present invention;

FIG. 6 is a schematic view of an installation structure of the first cover plate, the second cover plate and the pipe according to the present invention;

FIG. 7 is a schematic structural diagram of a first cover plate and a second cover plate according to the present invention;

in the figure, 1-pipeline, 2-inner sleeve, 201-first groove, 3-outer sleeve, 301-second groove, 4-damping component, 401-first connecting piece, 402-second connecting piece, 403-damping spring, 404-energy absorbing piece, 405-connecting rod, 406-boss, 5-first cover plate, 501-first connecting plate, 502-third through hole, 6-second cover plate, 601-second connecting plate, 602-fourth through hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Example 1

Referring to fig. 1-7, the present invention provides a technical solution:

referring to fig. 1 to 4, a pipeline damping device includes a pipeline 1, an inner sleeve 2, an outer sleeve 3, a plurality of damping assemblies 4, a first cover plate 5 and a second cover plate 6, the inner sleeve 2 is sleeved on an outer wall of the pipeline 1, the outer sleeve 3 is sleeved outside the inner sleeve 2, the damping assemblies 4 are connected between the inner sleeve 2 and the outer sleeve 3, the first cover plate 5 is arranged at one end of the pipeline 1 in a penetrating manner and sleeved with a first end of the outer sleeve 3, the second cover plate 6 is arranged at the other end of the pipeline 1 in a penetrating manner and sleeved with a second end of the outer sleeve 3, and the first cover plate 5 and the second cover plate 6 are both installed in a floor slab.

According to the pipeline damping device, the first cover plate 5 and the second cover plate 6 are both arranged in a floor slab, the inner sleeve 2 is sleeved on the outer wall of the pipeline 1, the outer sleeve 3 is sleeved outside the inner sleeve 2, the damping components 4 are connected between the inner sleeve 2 and the outer sleeve 3, the inner sleeve 2 and the outer sleeve 3 can limit the damping components 4 to prevent the damping components 4 from deviating, and the damping components 4 can effectively absorb the vibration of the floor slab, so that the pipeline 1 passing through the floor slab is prevented from being damaged and broken due to larger vibration, and further injury is avoided.

The pipeline damping device can be applied to the field of damping of pipelines 1 and is used for providing an effective damping effect for indoor pipelines 1, particularly vertical pipelines 1 penetrating through a floor slab.

Referring to fig. 2, the damping assembly 4 includes a first connecting member 401, a second connecting member 402 and a damping spring 403, a first end of the damping spring 403 is connected to the first connecting member 401, and a second end of the damping spring 403 is connected to the second connecting member 402;

the first connecting piece 401 is arranged in the outer sleeve 3 in a penetrating mode and attached to the first cover plate 5, and the second connecting piece 402 is arranged in the inner sleeve 2 in a penetrating mode and attached to the pipeline 1.

According to the invention, the first connecting piece 401 of the shock absorption assembly 4 penetrates through the outer sleeve 3 to be in contact with the first cover plate 5, the second connecting piece 402 penetrates through the inner sleeve 2 to be in contact with the pipeline 1, the outer sleeve 3 and the inner sleeve 2 are used for limiting the shock absorption assemblies 4, the shock absorption assemblies 4 are arranged on the pipeline 1, the first cover plate 5 transmits shock to the first connecting piece 401 after receiving the shock from a floor slab, and then the first connecting piece 401 acts on the shock absorption spring 403 under the action of the shock, so that the shock absorption spring 403 is deformed, the energy of the shock can be effectively absorbed, the buffer is provided for the pipeline 1 when being shocked, and the pipeline 1 is prevented from being directly shocked to cause damage.

Specifically, when the earthquake takes place, the floor can produce vibrations, vibrations are transmitted for first apron 5, first apron 5 further will vibrate the transmission and give a plurality of shock attenuation group, thereby a plurality of damper 4 can fall the vibrational energy absorption, avoid pipeline 1 to receive stronger vibrations so that pipeline 1 damages and even breaks, thereby improved the shock attenuation effect to indoor pipeline 1 especially the vertical pipeline 1 who runs through the floor effectively, avoid appearing the secondary damage in the calamity, security when improving the reply calamity.

The first cover plate 5 and the second cover plate 6 can be made of polytetrafluoroethylene materials, corrosion of corrosive particles to the pipeline 1 is prevented, the outer sleeve 3 is matched to further improve the corrosion resistance, and the durability of the pipeline damping device is improved.

Referring to fig. 2, an energy absorbing member 404 is disposed on the first connecting member 401, a connecting rod 405 is disposed on the second connecting member 402, one end of the connecting rod 405 is fixedly connected to the second connecting member 402, the other end of the connecting rod 405 is slidably inserted into the energy absorbing member 404, and the energy absorbing member 404 and the connecting rod 405 are sleeved with the damping spring 403.

The damping spring 403 of the present invention is sleeved on the energy absorbing member 404, and the other end of the connecting rod 405 is inserted into the energy absorbing member 404 and can move relative to the energy absorbing member 404 for absorbing the energy generated after the damping spring 403 absorbs the shock. After the damping spring 403 absorbs the energy of the shock and deforms, the damping spring 403 needs to release the energy to restore to the original shape, and at this time, the energy released by the damping spring 403 can be absorbed by the movement between the energy absorbing member 404 and the second connecting member 402, so as to prevent the pipe 1 from being damaged due to the impact on the pipe 1 when the damping spring 403 restores to the original shape.

Preferably, the energy absorbing member 404 is a hydraulically actuated element.

The energy absorbing member 404 of the present invention can be implemented using conventional hydraulic drive elements to drive the link 405 in a telescoping motion, such as a hydraulic cylinder. When the energy absorbing member 404 is hydraulic, the vibration energy released by the damping spring 403 can be converted into heat energy through the telescopic motion of the connecting rod 405 in the energy absorbing member 404, so that the damping effect is realized.

Referring to fig. 2, a boss 406 is disposed on an end of the second connecting member 402 away from the damping spring 403, and the boss 406 is inserted into the inner sleeve 2 and attached to the pipe 1.

Referring to fig. 3, a plurality of first grooves 201 matching with the bosses 406 are formed at an end of the inner sleeve 2, and the plurality of first grooves 201 are symmetrically and uniformly distributed along an axis of the inner sleeve 2.

The other end of the second connecting piece 402 connected with the damping spring 403 is provided with a boss 406, and the boss 406 passes through the inner sleeve 2 to be contacted with the pipeline 1, so that the damping assembly 4 can be prevented from rotating by being inserted into the inner sleeve 2 to influence the stability of the damping assembly 4; the tip of inner sleeve 2 is provided with a plurality of first recesses 201, and a plurality of damper 4 pass a plurality of first recesses 201 and pipeline 1 contact respectively to thereby prevent that a plurality of damper 4 from taking place the skew with pipeline 1's contact department and preventing that a plurality of damper 4 from taking place to slide because of pipeline 1 is the cylinder design, and then influence damper 4's shock attenuation effect.

Referring to fig. 4 to 5, a plurality of second grooves 301 matched with the first connecting pieces 401 are formed at an end portion of the outer sleeve 3, the plurality of second grooves 301 are symmetrically and uniformly distributed along an axis of the outer sleeve 3, and the first grooves 201 correspond to the second grooves 301 one to one.

The plurality of damper assemblies 4 of the present invention are respectively inserted into the plurality of second grooves 301 to contact the first cover plate 5, so that one end of the damper assembly 4 is fixed to the first cover plate 5 with easy assembly and disassembly.

Preferably, the end of the inner sleeve 2 is provided with a plurality of first through holes (not shown) for engaging with the bosses 406, or the end of the outer sleeve 3 is provided with a plurality of second through holes (not shown) for engaging with the first connectors 401.

The invention can also be provided with the first through hole and the second through hole which are matched with the shock absorption components 4, the shock absorption components 4 can respectively penetrate through the first through holes to be contacted with the pipeline 1, the sliding deviation of the shock absorption components 4 can be completely limited due to the arrangement of the first through holes, the stability of the shock absorption components 4 is improved, and meanwhile, a larger acting force is required to be applied to the shock absorption components 4 during the disassembly and assembly so that the shock absorption components 4 can enter the first through holes. A plurality of damper 4 can also pass a plurality of second through-holes respectively and first apron 5 contact, and the setting of second through-hole can restrict damper 4's slip skew completely, improves damper 4's stability, also needs exert great effort to damper 4 when making the dismouting simultaneously and makes damper 4 can get into the second through-hole.

Preferably, the number of the shock absorbing assemblies 4 is 2 or more than 2.

Referring to fig. 6 to 7, a plurality of first connection plates 501 are disposed on an outer wall of the first cover plate 5, and the first connection plates 501 are inserted or embedded in the floor slab;

the top of the first cover plate 5 is provided with a third through hole 502 for the pipeline 1 to pass through.

The first connection plates 501 of the present invention are inserted or embedded in the floor slab to achieve the effect of fixing the first cover plate 5 and thus fixing the pipe shock absorbing device in the floor slab.

Referring to fig. 6 to 7, a plurality of second connecting plates 601 are disposed on an outer wall of the second cover plate 6, and the plurality of second connecting plates 601 are inserted or embedded in the floor slab;

the top of the second cover plate 6 is provided with a fourth through hole 602 for the pipeline 1 to pass through.

The number of the first connecting plates 501 and the second connecting plates 601 is 2 or more than 2.

The second connecting plates 601 of the present invention are inserted or embedded in the floor slab to achieve the effect of fixing the second cover plate 6 and further fixing the pipe damping device in the floor slab.

A first cover plate 5 and a second cover plate 6 of the invention are respectively inserted in a floor slab through a plurality of first connecting plates 501 and second connecting plates 601, a pipeline 1 respectively passes through a third through hole 502 of the first cover plate 5 and a fourth through hole 602 of the second cover plate 6, an inner sleeve 2 is sleeved on the pipeline 1 between the first cover plate 5 and the second cover plate 6, an outer sleeve 3 is arranged outside the inner sleeve 2, the first cover plate 5 and the second cover plate 6 are respectively sleeved at two ends of the outer sleeve 3, a plurality of first grooves 201 are arranged on the inner sleeve 2, a plurality of second grooves 301 are arranged on the outer sleeve 3, a plurality of first grooves 201 and a plurality of second grooves 301 are arranged correspondingly in pairs, first connecting pieces 401 of a plurality of damping assemblies 4 respectively pass through the second grooves 301 to be contacted with the first cover plate 5, bosses 406 of second connecting pieces 402 of a plurality of damping assemblies 4 respectively pass through the first grooves 201 to be contacted with the pipeline 1, the shock absorption assembly 4 can be effectively prevented from deviating to influence the stability of the device, a shock absorption spring 403 is arranged between the first connecting piece 401 and the second connecting piece 402, a connecting rod 405 of the second connecting piece 402 is inserted into an energy absorption piece 404 of the first connecting piece 401, when earthquake and other vibration disasters occur, the first cover plate 5 receives the vibration transmitted by the floor slab and transmits the vibration to the first connecting piece 401, and the damping spring 403 is deformed by force to absorb vibration energy, then the damping spring 403 will recover to its original shape and release vibration energy, and the energy absorbing member 404 can absorb the vibration energy released by the damping spring by the relative movement with the connecting rod 405, so that the pipe 1 is buffered in a vibration environment to avoid being subjected to large vibration, and then damages and even breaks the pipes 1, thereby achieving a shock-absorbing effect of the indoor pipes 1, particularly the pipes 1 penetrating the floor slab.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A pipeline damping device is characterized in that: the damping device comprises a pipeline (1), an inner sleeve (2), an outer sleeve (3), a plurality of damping components (4), a first cover plate (5) and a second cover plate (6), wherein the inner sleeve (2) is sleeved on the outer wall of the pipeline (1), the outer sleeve (3) is sleeved outside the inner sleeve (2), the damping components (4) are connected between the inner sleeve (2) and the outer sleeve (3), one end of the pipeline (1) penetrated by the first cover plate (5) is sleeved with a first end of the outer sleeve (3), the other end of the pipeline (1) penetrated by the second cover plate (6) is sleeved with a second end of the outer sleeve (3), and the first cover plate (5) and the second cover plate (6) are both installed in a floor slab;

a plurality of first connecting plates (501) are arranged on the outer wall of the first cover plate (5), and the first connecting plates (501) are inserted or embedded in the floor slab;

the top of the first cover plate (5) is provided with a third through hole (502) for the pipeline (1) to pass through;

a plurality of second connecting plates (601) are arranged on the outer wall of the second cover plate (6), and the second connecting plates (601) are inserted or embedded in the floor slab;

the top of the second cover plate (6) is provided with a fourth through hole (602) for the pipeline (1) to pass through;

the shock absorption assembly (4) comprises a first connecting piece (401), a second connecting piece (402) and a shock absorption spring (403), wherein a first end of the shock absorption spring (403) is connected with the first connecting piece (401), and a second end of the shock absorption spring (403) is connected with the second connecting piece (402);

the first connecting piece (401) penetrates through the outer sleeve (3) and is attached to the first cover plate (5), and the second connecting piece (402) penetrates through the inner sleeve (2) and is attached to the pipeline (1);

an energy absorbing part (404) is arranged on the first connecting part (401), a connecting rod (405) is arranged on the second connecting part (402), one end of the connecting rod (405) is fixedly connected with the second connecting part (402), the other end of the connecting rod (405) is inserted into the energy absorbing part (404) in a sliding mode, and the damping spring (403) is sleeved on the energy absorbing part (404) and the connecting rod (405); a boss (406) is arranged at one end, far away from the damping spring (403), of the second connecting piece (402), and the boss (406) penetrates through the inner sleeve (2) and is attached to the pipeline (1).

2. The pipe damping device of claim 1, wherein: the energy absorbing member (404) is a hydraulic drive element.

3. The pipe damping device of claim 2, wherein: a plurality of first grooves (201) matched with the bosses (406) are formed in the end part of the inner sleeve (2), and the first grooves (201) are symmetrically and uniformly distributed along the axis of the inner sleeve (2);

the end part of the outer sleeve (3) is provided with a plurality of second grooves (301) matched with the first connecting piece (401), the second grooves (301) are symmetrically and uniformly distributed along the axis of the outer sleeve (3), and the first grooves (201) are in one-to-one correspondence with the second grooves (301).

4. The pipe damping device of claim 2, wherein: the end part of the inner sleeve (2) is provided with a plurality of first through holes matched with the bosses (406), or the end part of the outer sleeve (3) is provided with a plurality of second through holes matched with the first connecting piece (401).

5. The pipe damping device of claim 1, wherein: the number of the shock absorption components (4) is 2 or more than 2.