Device for detecting leakage of online pressure pipeline
Technical Field
The utility model relates to a check out test set technical field especially relates to a detect device that online pressure pipeline leaked.
Background
At present, the pressure pipelines refer to all pipelines bearing internal pressure or external pressure, no matter how the medium in the pipelines is, the pressure pipelines are a part of the pipelines, the pipelines are used for conveying, distributing, mixing, separating, discharging, metering, controlling and stopping fluid flow, two pressure pipelines are connected through welding, a single integral gas transmission pipeline is not easy to leak gas, the joint of two adjacent pipelines is easy to leak risks due to the problems of long-time use, oxidation and the like, and therefore the joints of the pipelines need to be frequently detected in the using process.
Most of the conventional multi-type leak detectors in the market can detect whether the gas exists in the surrounding space only after the gas leaks, so as to judge whether the gas leaks, the detection accuracy is low, the influence of environmental factors is large, and particularly when wind blows, the gas is blown to scatter, and whether the gas leaks at the part is difficult to detect; the device for detecting the leakage of the online pressure pipeline is inconvenient to rapidly form a small sealed space for accurate detection, can visually embody the small sealed space, can not provide a temporary plugging function when the leakage occurs at a joint, and can not meet the use requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a device for detecting the leakage of an online pressure pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for detecting online pressure pipeline leakage comprises a detachable detection plugging device arranged at the joint of two pipelines, wherein the detachable detection plugging device comprises a sleeve, the sleeve consists of two semicircular pipes, the two semicircular pipes are rotatably installed, two sealing rubber strips are fixedly bonded at the bottoms of the upper semicircular pipes in the two semicircular pipes, the bottoms of the sealing rubber strips are movably contacted with the tops of the lower semicircular pipes, an L-shaped supporting rod is fixedly connected to the bottom of the front side of the upper semicircular pipe, a threaded groove is formed in the top of the front side of the lower semicircular pipe, a T-shaped quick locking screw rod is sleeved in the threaded groove, and the L-shaped supporting rod is sleeved on the T-shaped quick locking screw rod in a threaded manner;
the sleeve is internally sleeved with two full-circle sealing rings, each full-circle sealing ring is composed of two semicircular sealing rings, the outer sides of the semicircular sealing rings are fixedly bonded with the inner sides of the corresponding semicircular pipes, a sealing cavity is formed between the two full-circle sealing rings, the joint of the two pipelines is positioned between the two full-circle sealing rings, a rectangular box with the bottom arranged as an opening is embedded on the inner wall of the top of the upper semicircular pipe, the rectangular box is positioned between the two full-circle sealing rings, the top of the rectangular box extends to the upper part of the upper semicircular pipe, a sealing seat and a transverse plate are arranged in the rectangular box in a welding sleeve, the transverse plate is positioned above the sealing seat, a circular truncated cone-shaped hole is formed in the bottom of the sealing seat, a sealing ball is movably sleeved in the circular truncated cone-shaped hole in a sealing manner, a vertical rod is fixedly connected to the top of the sealing ball, and the top of, the diaphragm seals the slip cover and establishes on the montant, and fixedly connected with is the same compression spring in compression state between the bottom of button and the top of rectangle box, and compression spring movable sleeve establishes on the montant, the right side intercommunication of rectangle box is fixed with the breather pipe that is located the semicircle pipe top of top, and the breather pipe is located between diaphragm and the shutoff seat, and the right-hand member intercommunication of breather pipe is fixed with the elasticity balloon.
Preferably, the rear sides of the two semicircular pipes are fixedly connected with the same hinge, and the two semicircular pipes are rotatably installed through the hinge.
Preferably, a rectangular hole is formed in the inner wall of the top of the semicircular pipe above the semicircular pipe, and the inner wall of the rectangular hole is fixedly connected with the outer side of the rectangular box.
Preferably, a first square hole is formed in the top of the transverse plate, a second square hole is formed in the inner wall of the top of the rectangular box, square sealing rings are fixedly bonded in the first square hole and the second square hole, and the inner sides of the square sealing rings are connected with the outer sides of the vertical rods in a sliding mode.
Preferably, a round hole is formed in the inner wall of the right side of the rectangular box, and the inner wall of the round hole is fixedly connected with the outer side of the vent pipe.
Preferably, the outside bonding cladding of shutoff ball has the rubber seal, and the outside in rubber seal and the inboard in round platform shape hole in close contact with.
Preferably, a threaded hole is formed in the inner wall of the front side of the L-shaped supporting rod and is in threaded connection with the T-shaped quick-locking screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
through the pipeline, the semicircle pipe, the semicircle sealing washer, the rectangle box, the shutoff seat, the round platform shape hole, the shutoff ball, the diaphragm, the montant, a button, compression spring, the breather pipe, the elasticity balloon, the thread groove, L shape branch, T shape quick-lock screw rod, joint strip and hinge cooperate, when revealing in the junction, the gas of revealing can get into in the sealed chamber, personnel can press down the button, the button drives the montant and moves down and compress compression spring, the montant drives the inside wall separation in shutoff ball downward and round platform shape hole, the gas of revealing this moment gets into the rectangle box through the round platform shape hole, gas gets into in the elasticity balloon through the breather pipe again and makes it aerify and take place the inflation, personnel are through observing whether the elasticity balloon inflation, whether can be quick accurate judgement leak, after judging that there is gas leakage phenomenon, relax the pressing force to the button, the elasticity of the compression spring that this moment is in compression state drives the shutoff ball upwards to move back again through button and montant and to Blocking, so that a temporary blocking function is formed before maintenance and replacement, and gas is prevented from continuously leaking outwards;
when removable detection plugging device need take off, the fast lock screw rod of reverse rotation T shape makes its and thread groove separation, alright upwards stimulate L shape branch this moment and drive the semicircle pipe that is located the top and upwards rotate and turn over, alright whole this moment moves down, the semicircle pipe that will be located the below is downward with two pipeline separation, the completion of taking off, during the installation, then rotate the card cover with two semicircle pipes at the pipeline junction position that needs to detect, then the fast lock screw rod of forward gyration T shape carries out the lock solid, alright continue to detect, can the removable detection plugging device of quick assembly disassembly.
The utility model relates to a rationally, be convenient for constitute a sealed cavity fast to make the elasticity balloon by inflatable expansion's mode through simply pressing down, realize whether accurate audio-visual detection junction leaks gas, effectively reduce the influence of environmental factor, be convenient for form the function of interim shutoff before the maintenance is changed when the junction leaks gas, avoid gaseous resumes outwards to reveal, and be convenient for the removable detection plugging device of quick assembly disassembly of being convenient for circulate and detect, satisfy the user demand, be favorable to the use.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for detecting leakage of an online pressure pipeline according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic diagram of the right side view of FIG. 1;
FIG. 5 is an enlarged cross-sectional view of portion B of FIG. 4;
fig. 6 is the schematic structural diagram of the two half-round pipes separated state of the device for detecting the leakage of the online pressure pipeline provided by the utility model.
In the figure: 100 pipelines, 1 semicircular pipe, 2 semicircular sealing rings, 3 rectangular boxes, 4 plugging seats, 5 circular truncated cone-shaped holes, 6 plugging balls, 7 transverse plates, 8 vertical rods, 9 buttons, 10 compression springs, 11 vent pipes, 12 elastic balloons, 13 thread grooves, 14L-shaped supporting rods, 15T-shaped quick-locking screw rods, 16 sealing rubber strips and 17 hinges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a device for detecting leakage of an online pressure pipeline, comprising a detachable detection plugging device arranged at the joint of two pipelines 100, wherein the detachable detection plugging device comprises a sleeve, the sleeve is composed of two semicircular pipes 1, the two semicircular pipes 1 are rotatably installed, two sealing rubber strips 16 are fixedly bonded at the bottoms of the upper semicircular pipes 1 in the two semicircular pipes 1, the bottoms of the sealing rubber strips 16 are movably contacted with the tops of the lower semicircular pipes 1, an L-shaped support rod 14 is fixedly connected at the bottom of the front side of the upper semicircular pipe 1, a threaded groove 13 is formed at the top of the front side of the lower semicircular pipe 1, a T-shaped quick-locking screw rod 15 is sleeved in the threaded groove 13, and the L-shaped support rod 14 is sleeved on the T-shaped quick-locking screw rod 15;
the sleeve is internally sleeved with two full-circle sealing rings, each full-circle sealing ring is composed of two semicircular sealing rings 2, the outer sides of the semicircular sealing rings 2 are fixedly bonded with the inner sides of the corresponding semicircular tubes 1, a sealing cavity is formed between the two full-circle sealing rings, the joint of the two pipelines 100 is positioned between the two full-circle sealing rings, a rectangular box 3 with an opening at the bottom is embedded on the inner wall of the top of the upper semicircular tube 1, the rectangular box 3 is positioned between the two full-circle sealing rings, the top of the rectangular box 3 extends to the upper part of the upper semicircular tube 1, a blocking seat 4 and a transverse plate 7 are sleeved in the rectangular box 3, the transverse plate 7 is positioned above the blocking seat 4, a circular truncated cone-shaped hole 5 is formed in the bottom of the blocking seat 4, a blocking ball 6 is movably sleeved in the circular truncated cone-shaped hole 5 in a sealing manner, a vertical rod-shaped hole 8 is fixedly connected to the top of the blocking ball 6, the top end of the vertical, the utility model has the advantages of reasonable design, convenient and fast formation of a sealed cavity, and the way of simply pressing to make the elastic balloon 12 inflated and expanded, realization of accurate and intuitive detection of air leakage at the junction, effective reduction of influence of environmental factors, convenient formation of temporary plugging function before maintenance and replacement when the junction leaks air, prevention of gas from further outward leakage, and convenient for rapid disassembly and assembly and disassembly of the detachable detection plugging device to carry out cycle detection, the use requirement is met, and the use is facilitated.
In the utility model, the rear sides of two semi-circular tubes 1 are fixedly connected with the same hinge 17, the two semi-circular tubes 1 are installed by the rotation of the hinge 17, the inner wall of the top of the semi-circular tube 1 positioned above is provided with a rectangular hole, and the inner wall of the rectangular hole is fixedly connected with the outer side of the rectangular box 3, the top of the transverse plate 7 is provided with a first square hole, the inner wall of the top of the rectangular box 3 is provided with a second square hole, square sealing rings are fixedly bonded in the first square hole and the second square hole, the inner side of the square sealing ring is slidably connected with the outer side of the vertical rod 8, the inner wall of the right side of the rectangular box 3 is provided with a round hole, and the inner wall of the round hole is fixedly connected with the outer side of the vent pipe 11, the outer side of the plugging ball 6 is bonded and coated with sealing rubber, and the outer side of the sealing rubber is closely contacted with the inner side of the round platform 5, the utility model relates to a rationally, be convenient for constitute a sealed cavity fast to make elasticity balloon 12 by inflatable expansion's mode through simply pressing down, realize whether accurate audio-visual detection junction leaks gas, effectively reduce the influence of environmental factor, be convenient for form the function of interim shutoff before the maintenance is changed when the junction leaks gas, avoid gaseous resumes outwards to reveal, and be convenient for the removable detection plugging device of quick assembly disassembly of being convenient for circulate and detect, satisfy the user demand, be favorable to the use.
The working principle is as follows: because two full-circle sealing rings formed by four semicircular sealing rings 2 can form a small sealing cavity, and the joint of two pipelines 100 is positioned in the sealing cavity, when the joint leaks, leaked gas can enter the sealing cavity, when detecting whether leakage exists, a person can press a button 9 downwards, the button 9 drives a vertical rod 8 to move downwards and compress a compression spring 10, the vertical rod 8 drives a blocking ball 6 to move downwards, the blocking ball 6 is separated from the inner wall of a circular truncated cone-shaped hole 5 downwards, if leakage exists, the leaked gas enters a rectangular box 3 through a gap separated between the blocking ball 6 and the circular truncated cone-shaped hole 5, the gas enters an elastic balloon 12 through an air pipe 11, the elastic balloon 12 can be inflated to expand along with continuous entering of the gas, and the person can observe whether the elastic balloon 12 expands or not, whether the gas leakage phenomenon exists can be judged quickly and accurately;
after the air leakage phenomenon is judged, the pressing force on the button 9 can be released, the button 9 is driven to move upwards by the elastic force of the compression spring 10 in a compressed state at the moment, the button 9 drives the blocking ball 6 to move upwards through the vertical rod 8, and the blocking ball 6 is contacted with the inner wall of the circular truncated cone-shaped hole 5 again to form blocking, so that the air cannot be discharged outwards continuously, the function of forming temporary blocking before maintenance and replacement is achieved, and the air is prevented from being leaked outwards continuously;
when leakage does not occur or the detachable detection plugging device needs to be taken down to continuously detect the other pipeline 100 connection part, the T-shaped quick-locking screw rod 15 is rotated reversely, the T-shaped quick-locking screw rod 15 rotates in the thread groove 13 and gradually separates forwards from the thread groove 13, at the moment, the L-shaped support rod 14 can be pulled upwards, the L-shaped support rod 14 drives the semicircular pipe 1 positioned above to rotate upwards and turn open, the semicircular pipe 1 positioned above drives the two semicircular sealing rings 2 positioned above to separate from the two semicircular sealing rings 2 positioned below, at the moment, the semicircular pipe 1 positioned above separates from the semicircular pipe 1 positioned below, at the moment, the whole body can move downwards, the semicircular pipe 1 positioned below is separated downwards from the two pipelines 100, the taking-down is completed, when the detachable detection plugging device is installed, the two semicircular pipes 1 are rotatably clamped at the connection part of the pipeline 100 to be detected, and then the T-shaped quick-locking screw rod 15, the detection can be continued with the detection operation steps, and the rapid disassembly and assembly detachable detection plugging device can be used for circular detection.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.