阅读说明：本技术 一种液体管道用临时封堵装置 (Temporary plugging device for liquid pipeline ) 是由 姚军 于 2021-08-27 设计创作，主要内容包括：本发明涉及管道封堵技术领域,且公开了一种液体管道用临时封堵装置,包括支撑块,支撑块的内部开设有液压腔,液压腔一端的中部固定连接有伸缩套管。通过液压腔、支撑管、伸缩套管、中空管、橡胶环的设置,使得在逆时针旋转摇把时,活塞板左移过程中能够同时压缩液压腔和伸缩套管,由于支撑管先被液压油顶出,直到橡胶环外端设置有顶块部分先与管体内壁紧密贴合,这样能够给橡胶环一个支撑作用,确保橡胶环膨胀后不会在管体内壁流体压力下发生变形,同时随着伸缩套管内部的流体流入橡胶环,使橡胶环主体发生膨胀,能够确保橡胶环外端面处处与管体内壁紧密贴合,即完成封堵,这种设置能够适应带螺纹和不带螺纹两种管道,封堵效果好。(The invention relates to the technical field of pipeline plugging and discloses a temporary plugging device for a liquid pipeline. Through the hydraulic pressure chamber, the stay tube, the telescopic tube, the hollow tube, the setting of rubber ring, make when anticlockwise rotation crank, piston plate moves the in-process from left and can compress hydraulic pressure chamber and telescopic tube simultaneously, because the stay tube is ejecting by hydraulic oil earlier, it closely laminates with the body inner wall earlier to be provided with the kicking block part up to the rubber ring outer end, can give a supporting role of rubber ring like this, can not take place to warp under body inner wall fluid pressure after guaranteeing the rubber ring inflation, simultaneously along with the inside fluid inflow rubber ring of telescopic tube, make the rubber ring main part take place the inflation, can guarantee that outer terminal surface department of rubber ring closely laminates with the body inner wall, accomplish the shutoff promptly, this kind of setting can adapt to two kinds of pipelines of threaded and non-threaded, the shutoff is effectual.)

1. The utility model provides a liquid pipeline is with interim plugging device, includes supporting shoe (2), its characterized in that: a hydraulic cavity (3) is formed in the supporting block (2), a telescopic sleeve (4) is fixedly connected to the middle of one end of the hydraulic cavity (3), a piston plate (5) movably sleeved with the hydraulic cavity (3) is fixedly connected to the other end of the telescopic sleeve (4), hydraulic oil is filled in one end, close to the telescopic sleeve (4), of the hydraulic cavity (3), a supporting ring (6) is fixedly connected to the other end of the piston plate (5), a nut (7) is fixedly connected to the middle of the supporting ring (6), a threaded rod (8) is connected to the middle of the nut (7) in a threaded manner, a crank (9) movably sleeved with the supporting block (2) is fixedly connected to one end of the threaded rod (8), a ring cavity (10) is formed in the outer side of one end of the supporting block (2), and a rubber ring (11) is fixedly connected to the side face of the ring cavity (10), six groups of channels are arranged between the hydraulic cavity (3) and the annular cavity (10), a supporting pipe (12) is movably sleeved inside the channels, one end of the supporting pipe (12) is fixedly connected with a top block (13) fixedly connected with the rubber ring (11), a hollow pipe (14) is movably sleeved inside the supporting pipe (12), and the other end of the hollow pipe (14) is communicated with the inside of the telescopic sleeve (4).

2. A temporary plugging device for a liquid pipeline according to claim 1, wherein: the side face, far away from one end of the principle piston plate (5), of the support ring (6) is fixedly connected with six sets of clamp spring devices (15), the side face, at the other end of the hydraulic cavity (3), is movably sleeved with a sliding ring (16), one end of the sliding ring (16) is fixedly connected with a reset spring (17), the inner side of one end of the sliding ring (16) is provided with an annular groove (18), the inner side of the other end of the sliding ring (16) is movably sleeved with six sets of clamp strips (19) fixedly connected with the other end of the support block (2), the outer side of one end of the support block (2) is fixedly connected with six sets of support rods (20) arranged at equal intervals, the side face of one end of the support block (2) is provided with six sets of limiting grooves (21), the inner part of each limiting groove (21) is movably sleeved with a connecting rod (22) fixedly connected with the other end of the sliding ring (16), and the other end of the connecting rod (22) is fixedly connected with a connecting rope (23), the other end of the connecting rope (23) is fixedly connected with a clamping plate (24), and one end of the clamping plate (24) is fixedly connected with a supporting spring (25) of which the other end is fixedly connected with the supporting rod (20).

3. A temporary plugging device for a liquid pipeline according to claim 2, wherein: the clamp spring device (15) comprises a sleeve (151) fixedly connected with the support ring (6), a clamping block (152) is movably sleeved inside the sleeve (151), the other end of the clamping block (152) is fixedly connected with a support spring (153) fixedly connected with the support ring (6), and an arc surface is formed in the other end of the clamping block (152) in the anticlockwise direction.

4. A temporary plugging device for a liquid pipeline according to claim 1, wherein: the supporting tube (12) is a hollow round tube with an opening at one end, a through hole is formed in the side face of the upper end of the supporting tube, the telescopic tube (4) is formed by movably sleeving three sections of tubes, and the diameter of the tube connected with the piston plate (5) is the minimum.

5. A temporary plugging device for a liquid pipeline according to claim 1, wherein: when the slip ring (16) is in the initial position, one end of the clamping strip (19) extends into the annular groove (18).

Technical Field

The invention relates to the technical field of pipeline plugging, in particular to a temporary plugging device for a liquid pipeline.

Background

In urban construction and daily life, the shadow of various pipelines can be seen everywhere, the pipelines are an important part of infrastructure construction, and the pipeline has extremely high efficiency and convenience in the aspect of transporting fluid media such as oil, water, gas and the like. ,

however, the problems of damage and leakage of common water pipes, various fluid pipelines and the like are easy to occur after long-time use, so that field maintenance is required at times, in the process of emergency repair, the pipe orifice with the leakage is generally required to be plugged, the situations of waste or disordered arrangement of a large amount of fluid media in the pipeline and the like are avoided, most of plugging devices are plugged by adopting a method that a plug extrudes the inner wall of a pipe body, and although the mode is effective, the pipe orifice is extremely easy to deform seriously or even break, and the pipeline is not easy to maintain; and, because the different use occasion, usage between all kinds of pipelines, divide into two kinds with screw thread and not take the screw thread on the whole, and when carrying out the shutoff, to taking the screwed mouth of pipe, the shutoff is though comparatively convenient, and the end cap is easily fixed, is difficult for receiving upstream liquid thrust and slides, but because the end cap has great contact pressure to internal wall of body, very easily causes mouth of pipe screw serious wearing and tearing, causes the adverse effect to the mouth of pipe, and to some unthreaded pipelines, the end cap receives upstream liquid thrust and slides easily, influences sealed effect.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides a temporary plugging device for a liquid pipeline, which has the advantages of suitability for various pipelines and good plugging effect and solves the problems in the background technology.

The invention provides the following technical scheme: a temporary plugging device for a liquid pipeline comprises a supporting block, wherein a hydraulic cavity is formed in the supporting block, a telescopic sleeve is fixedly connected to the middle of one end of the hydraulic cavity, a piston plate movably sleeved with the hydraulic cavity is fixedly connected to the other end of the telescopic sleeve, hydraulic oil is filled in the hydraulic cavity close to one end of the telescopic sleeve, a supporting ring is fixedly connected to the other end of the piston plate, a nut is fixedly connected to the middle of the supporting ring, a threaded rod is connected to the middle of the nut in a threaded manner, a crank movably sleeved with the supporting block is fixedly connected to one end of the threaded rod, an annular cavity is formed in the outer side of one end of the supporting block, a rubber ring is fixedly connected to the side face of the annular cavity, six groups of channels are formed between the hydraulic cavity and the annular cavity, a supporting pipe is movably sleeved in the channel, one end of the supporting pipe is fixedly connected with a top block fixedly connected with the rubber ring, the inside activity of stay tube is cup jointed the hollow tube, the other end and the inside intercommunication of telescope tube of hollow tube.

Preferably, the side fixedly connected with six sets of jump ring devices of principle piston plate one end are kept away from to the support ring, the sliding ring has been cup jointed in the side activity of the hydraulic pressure chamber other end, the one end fixedly connected with reset spring of sliding ring, the annular has been seted up to the inboard of sliding ring one end, six sets of other ends and supporting shoe fixed connection's card strip have been cup jointed in the inboard activity of the sliding ring other end, six sets of equidistance arrangement's of the outside fixedly connected with bracing piece of supporting shoe one end bracing piece, six sets of spacing grooves have been seted up to the side of supporting shoe one end, the inside activity of spacing groove has cup jointed the connecting rod of the other end and sliding ring fixed connection, the other end fixedly connected with of connecting rod connects the rope, connect the other end fixedly connected with cardboard of rope, the one end fixedly connected with other end and bracing piece fixed connection's supporting spring of cardboard.

Preferably, the clamp spring device comprises a sleeve fixedly connected with the support ring, a clamping block is movably sleeved inside the sleeve, one end of the clamping block is fixedly connected with a support spring, the other end of the support spring is fixedly connected with the support ring, and the other end of the clamping block faces towards the anticlockwise direction and is provided with an arc surface.

Preferably, the supporting tube is a hollow round tube with an opening at one end, a through hole is formed in the side face of the upper end of the supporting tube, the telescopic tube is formed by movably sleeving three sections of sleeves, and the diameter of the sleeve connected with the piston plate is the minimum.

Preferably, when the slip ring is in the initial position, one end of the clamping strip extends into the annular groove.

The invention has the following beneficial effects:

1. through the cardboard, the hydraulic pressure chamber, the stay tube, the setting of kicking block, make when carrying out the shutoff to the mouth of a pipe, only need anticlockwise rotation crank can make the cardboard lose the restriction of connecting the rope and move to the inboard and press from both sides tightly the pipeline, make hydraulic oil extrusion stay tube simultaneously, it is ejecting with the kicking block, under the cooperation centre gripping of cardboard and kicking block, can not only carry out better centre gripping to the body, ensure that this plugging device can not drop, and can be at the clamping-force of cardboard, avoid the body to take place to warp under the cooperation of the holding power of kicking block, better protection the body.

2. Through the arrangement of the hydraulic cavity, the supporting tube, the telescopic tube, the hollow tube and the rubber ring, when the crank is rotated anticlockwise, the hydraulic cavity and the telescopic tube can be compressed simultaneously in the left moving process of the piston plate, the supporting tube is firstly ejected by hydraulic oil to enable the rubber ring to be stretched and deformed, and simultaneously, the ejecting block part arranged at the outer end of the rubber ring is firstly tightly attached to the inner wall of the tube body, so that a supporting function can be provided for the rubber ring, the rubber ring cannot deform under the fluid pressure of the inner wall of the tube body after expanding until fluid in the telescopic tube flows into the rubber ring along the through hole formed in the side surface of the upper end of the supporting tube by the hollow tube, the main body of the rubber ring expands, the outer end face of the rubber ring can be ensured to be tightly attached to the inner wall of the tube body, namely plugging is completed, and the arrangement can be suitable for two pipelines with threads and without threads, the plugging effect is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

FIG. 3 is an enlarged view of the structure B of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 2;

FIG. 5 is an enlarged view of E in FIG. 4;

fig. 6 is a schematic cross-sectional view taken along line D-D in fig. 1.

In the figure: 1. a pipe body; 2. a support block; 3. a hydraulic chamber; 4. a telescopic sleeve; 5. a piston plate; 6. a support ring; 7. a nut; 8. a threaded rod; 9. a crank; 10. an annular cavity; 11. a rubber ring; 12. supporting a tube; 13. a top block; 14. a hollow tube; 15. a clamp spring device; 151. a sleeve; 152. a clamping block; 153. supporting a spring; 16. a slip ring; 17. a return spring; 18. a ring groove; 19. clamping the strip; 20. a support bar; 21. a limiting groove; 22. a connecting rod; 23. connecting ropes; 24. clamping a plate; 25. supporting the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a temporary plugging device for a liquid pipeline comprises a supporting block 2, a hydraulic chamber 3 is disposed inside the supporting block 2, a telescopic tube 4 is fixedly connected to the middle of one end of the hydraulic chamber 3, a piston plate 5 movably sleeved with the hydraulic chamber 3 is fixedly connected to the other end of the telescopic tube 4, one end of the hydraulic chamber 3 close to the telescopic tube 4 is filled with hydraulic oil, a supporting ring 6 is fixedly connected to the other end of the piston plate 5, a nut 7 is fixedly connected to the middle of the supporting ring 6, a threaded rod 8 is connected to the middle of the nut 7 by a thread, a crank 9 movably sleeved with the supporting block 2 is fixedly connected to one end of the threaded rod 8, an annular chamber 10 is disposed outside one end of the supporting block 2, a rubber ring 11 is fixedly connected to the side of the annular chamber 10, six sets of channels are disposed between the hydraulic chamber 3 and the annular chamber 10, and a supporting tube 12 is movably sleeved inside the channels, one end of a supporting tube 12 is fixedly connected with a top block 13 fixedly connected with a rubber ring 11, the inside of the supporting tube 12 is movably sleeved with a hollow tube 14, the other end of the hollow tube 14 is communicated with the inside of a telescopic sleeve 4, the side surface of the supporting ring 6 far away from one end of a principle piston plate 5 is fixedly connected with six groups of clamp spring devices 15, each clamp spring device 15 comprises a sleeve 151 fixedly connected with the supporting ring 6, a clamp block 152 is movably sleeved inside the sleeve 151, one end of the clamp block 152 is fixedly connected with a support spring 153, the other end of the clamp block 152 is fixedly connected with the supporting ring 6, the other end of the clamp block 152 faces towards the anticlockwise direction and is provided with an arc surface, the side surface of the other end of a hydraulic cavity 3 is movably sleeved with a sliding ring 16, one end of the sliding ring 16 is fixedly connected with a return spring 17, the inner side of one end of the sliding ring 16 is provided with an annular groove 18, and the inner side of the other end of the sliding ring 16 is movably sleeved with six groups of clamp strips 19, the other end of which is fixedly connected with a supporting block 2, six spinal branch vaulting poles 20 that the equidistance was arranged of group of outside fixedly connected with of 2 one ends of supporting shoe, six sets of spacing grooves 21 have been seted up to the side of 2 one ends of supporting shoe, the inside activity of spacing groove 21 has cup jointed the connecting rod 22 of the other end and 16 fixed connection of sliding ring, the other end fixedly connected with of connecting rod 22 connects rope 23, the other end fixedly connected with cardboard 24 of connecting rope 23, the one end fixedly connected with other end of cardboard 24 and bracing piece 20 fixed connection's supporting spring 25.

Wherein, the supporting tube 12 is a hollow round tube with an open end, and the side surface of the upper end thereof is provided with a through hole, the telescopic tube 4 is formed by movably sleeving three sections of tubes, and the diameter of the tube connected with the piston plate 5 is the minimum, because the diameter of the telescopic tube 4 gradually increases from right to left, the supporting tube 12 is firstly ejected by hydraulic oil in the moving process of the piston plate 5, the rubber ring 11 is stretched and deformed by the ejection ejector block 13 until the outer end of the rubber ring 11 is tightly attached to the inner wall of the tube body 1, and simultaneously, because the telescopic tube 4 is compressed, the fluid (which can be gas or liquid) inside the telescopic tube 4 flows out from the through hole arranged on the side surface of the upper end of the supporting tube 12 along the hollow tube 14, so that the main body of the rubber ring 11 expands, and the outer end surface of the rubber ring 11 is tightly attached to the inner wall of the tube body 1, thereby completing the blocking.

When the sliding ring 16 is at the initial position, one end of the clamping strip 19 extends into the annular groove 18, the supporting block 2 is placed from one end of the pipe body to be plugged, then the crank 9 rotates anticlockwise, the arc surface of the clamping block 152 contacts with the clamping strip 19 to automatically retract at the moment, so that the sliding ring 16 loses the limitation of the clamping block 152, the sliding ring 16 moves towards the left side under the tensile force action of the return spring 17 and the supporting spring 25, the clamping plate 24 clamps the pipe body 1, the supporting block 2 is fixed at the end part, required to be plugged, of the pipe body 1, when the crank 9 rotates reversely, the clamping block 152 is not limited by the clamping strip, the clamping block 152 drives the sliding ring 16 to synchronously move towards the right side while rotating inside the annular groove 18, the connecting rod 22 drives the connecting rope to move towards the right, the clamping plate 24 is retracted, and the plugging device can be taken down.

The working principle is that the supporting block 2 is put in from one end of the pipe body to be blocked, then the crank 9 is rotated anticlockwise, at the moment, the arc surface of the clamping block 152 firstly contacts the clamping strip 19, so that the clamping block 152 automatically retracts to cause the sliding ring 16 to lose the limit of the clamping block 152, the clamping plate 24 loses the limit of the connecting rope 23 under the action of the tension of the return spring 17 and the supporting spring 25, the pipe body 1 is clamped, so that the supporting block 2 is fixed at the required blocking end part of the pipe body 1, the crank 9 is continuously rotated, the piston plate 5 moves towards the left side, the hydraulic cavity 3 and the telescopic sleeve 4 are simultaneously compressed in the left moving process of the piston plate 5, as the pipe diameter of the telescopic sleeve 4 is gradually increased from right to left, the supporting pipe 12 is firstly ejected by hydraulic oil in the moving process of the piston plate 5, the rubber ring 11 is stretched and deformed by ejecting the ejecting block 13 until the outer end of the rubber ring 11 is tightly attached to the inner wall of the pipe body 1, meanwhile, as the telescopic sleeve 4 is compressed, fluid (which can be gas or liquid) in the telescopic sleeve 4 flows out from a through hole formed in the side face of the upper end of the supporting tube 12 along the hollow tube 14, so that the main body of the rubber ring 11 expands, the outer end face of the rubber ring 11 is ensured to be tightly attached to the inner wall of the tube body 1, and the sealing and installation are completed;

after the pipeline is repaired, only need the counter-rotation crank 9, support ring 6 is to the right side removal under the cooperation of nut 7 and threaded rod 8, at this moment, piston plate 5 is to the right side removal, can make stay tube 12 withdraw, and telescopic tube 4 is tensile, can withdraw the inside fluid of rubber ring 11, make rubber ring 11 recover, no longer carry out the shutoff to body 1 promptly, and simultaneously, fixture block 152 does not have the restriction of card strip, fixture block 152 drives slip ring 16 and moves to the right side in step in the inside pivoted of annular 18, make connecting rod 22 drive the connection rope and move to the right side, thereby make cardboard 24 withdraw, can take off this plugging device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.