CN115164105B - Petroleum pipe fitting sealing connection device with adiabatic compensation function - Google Patents
Petroleum pipe fitting sealing connection device with adiabatic compensation function Download PDFInfo
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- CN115164105B CN115164105B CN202210553281.8A CN202210553281A CN115164105B CN 115164105 B CN115164105 B CN 115164105B CN 202210553281 A CN202210553281 A CN 202210553281A CN 115164105 B CN115164105 B CN 115164105B
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- plate
- adjusting
- sealing
- outer sleeve
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a petroleum pipe fitting sealing connection device with a heat insulation compensation function, which relates to the technical field of petroleum pipe fitting connection and comprises a support assembly, a connection assembly, a pipeline adjusting assembly and an adjusting frame. The support component supports the pipeline adjusting component, the connecting component is used for sealing and connecting the petroleum pipe fitting, and the pipeline adjusting component compensates the change of the axial expansion amount generated due to the temperature change in the adiabatic conveying process of the petroleum pipe fitting. The invention avoids the axial stress of the petroleum pipeline caused by temperature change through axial displacement compensation, but also ensures that the connecting device has a certain degree of pressure in the axial direction so as to be close to the petroleum pipe fitting.
Description
Technical Field
The invention relates to the technical field of petroleum pipe fitting connection, in particular to a petroleum pipe fitting sealing connection device with a heat insulation compensation function.
Background
In many cases, petroleum is transported in long distance, while petroleum pipe is a necessary component for transporting in long distance, but the petroleum pipe cannot be provided in too long a length due to processing limitation, so that a sealing connection device of the petroleum pipe is indispensable, but most of the existing petroleum pipes are buried underground, the sealing connection device is also required to be buried, and the conventional sealing connection device has some defects in use in such occasion.
The supporting component of the traditional sealing connection device provides constant supporting force, but the installation mode of the buried type sealing connection device cannot meet the condition, because the sealing connection device of the petroleum pipe fitting needs to be installed and then buried, soil around the sealing connection device is loose soil, the soil is easy to change after passing through the underground soil layer structure, part of the soil can be lost along with rainwater, the loss of the soil can lead to unbalanced radial stress of the sealing connection device of the petroleum pipe fitting, and then the pipeline is bent. If the compaction density is not well regulated by compacting the soil, unnecessary damage is easily caused to the sealing connection device of the petroleum pipe fitting. On the other hand, the sealing measures of the traditional petroleum pipe fitting connecting device are sealed by filling the cushion layer, and part of the sealing measures are sealed by adding the sealing agent on the surface, so that the sealing measures are inconvenient in disassembly and overhaul, and the sealing measures need to be replaced in secondary installation, thereby bringing about great cost.
Because the oil pipe fitting carries out the heat isolation when carrying out the oil, adiabatic pipeline receives the influence of oil temperature great, when the oil body of carrying appears temperature variation, the corresponding volume variation also can appear in the oil pipe fitting, and trace volume variation can accumulate in the axial, and the final effect is the increase of axial load, reduction in junction, and traditional sealing connection device does not have the displacement compensation to adiabatic pipeline inflation, shrink, can't balance axial stress.
Disclosure of Invention
The invention aims to provide a petroleum pipe fitting sealing and connecting device with an adiabatic compensation function, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a petroleum pipe fitting sealing connection device with adiabatic compensation function, connecting device includes supporting component, coupling assembling, pipeline adjusting component, alignment jig, and supporting component is located coupling assembling, pipeline adjusting component downside, supporting component and pipeline adjusting component fastening connection, supporting component and pipeline adjusting component both sides fastening connection, alignment jig and petroleum pipe fitting are connected. The adjusting frame is arranged below the petroleum pipe fitting to be connected, the position of the petroleum pipe fitting is fixed, the adjusting frame and the petroleum pipe fitting are in sliding connection, the petroleum pipe fitting can be radially fixed, the radial deviation is avoided, and the axial expansion amount of the petroleum pipe fitting cannot be influenced. The support component supports the pipeline adjusting component, the connecting component is used for sealing and connecting the petroleum pipe fitting, and the pipeline adjusting component compensates the change of the axial expansion amount generated due to the temperature change in the adiabatic conveying process of the petroleum pipe fitting. The invention avoids the axial stress of the petroleum pipeline caused by temperature change through axial displacement compensation, but also ensures that the connecting device has a certain degree of pressure in the axial direction so as to be close to the petroleum pipe fitting.
Further, the supporting component includes supporting seat, busbar, connecting pipe, buries the part, supporting seat and coupling assembling fastening connection, and the busbar setting is at the supporting seat lower surface, busbar top and supporting seat fastening connection, and busbar bottom and connecting pipe link to each other, and the one end that the busbar was kept away from to the connecting pipe links to each other with buries the part, and the busbar upper surface is provided with a plurality of converging hole, and the busbar is inside to be provided with converging pipeline, and converging pipeline links to each other with the connecting pipe, and converging hole links to each other with converging pipeline. The supporting seat is buried underground, and when raining, the rainwater is collected under the effect of busbar, concentrates and inputs into the connecting pipe, and the connecting pipe is carried in the rainwater to buried part.
Further, the buried component comprises a connecting plate, an adjusting bin, an adjusting plate, clamping units, a reset spring and a movable unit, wherein the two adjusting bins are arranged, two sides of the lower surface of the connecting plate are respectively and fixedly connected with different adjusting bins, the movable unit is fixedly connected with the upper surface of the connecting plate, the connecting pipe is connected with the movable unit, one side, close to the outer edge of the connecting plate, of the adjusting bin is provided with an inclined baffle, one end of the adjusting plate is inserted into the adjusting bin and is in sliding connection with the adjusting bin, two ends of the adjusting plate are provided with telescopic covers, the telescopic covers are in sealing connection with the connecting plate, the reset spring is arranged in the adjusting bin, one end of the reset spring is fixedly connected with one side, far away from the outer edge of the connecting plate, of the side wall of the adjusting bin, of the reset spring is fixedly connected with the adjusting plate, and one end of the adjusting plate, which extends out of the adjusting bin, is fixedly connected with the clamping unit. Rainwater flows into the adjustment bin along the connecting pipe, the bottom of the adjustment bin is provided with a drain hole, water flow can be drained from the bottom of the adjustment bin at a slower speed, so that water and soil loss caused by too high water flow speed is avoided, when raining, accumulated water is more, the water flow is not drained, the adjustment bin can be filled, the water flow pressure accumulated in the connecting pipe can also act on the adjustment bin, the adjusting plate can press the reset spring under the action of water pressure, and the clamping unit is pushed to the central position of the connecting plate. When the accumulated water is lost, the clamping unit moves to two sides under the action of the reset spring.
Further, the clamping unit comprises a conical head, expansion plates, a hinge post and torsion springs, wherein the conical head is in fastening connection with the hinge post, the expansion plates are hinged to different positions of the hinge post, the torsion springs are in fastening connection with the hinge post, two sides of each torsion spring are in fastening connection with the two expansion plates, the thickness of one end of each expansion plate far away from the hinge post is smaller than that of one end of each expansion plate close to the hinge post, and the conical head is in fastening connection with the adjusting plate. When the clamping unit moves to the center position of the connecting plate, the two unfolding plates are pushed away and respectively embedded into two sides of the soil, the moving process is changed into a tightening process of the soil, when the clamping unit moves away from the center position of the connecting plate, the conical heads squeeze into the soil on two sides, the two unfolding plates back away from the unfolding direction of the torsion spring and can be squeezed and contracted, and the clamping unit can squeeze into new soil on the outer layer to prepare for next soil contraction. According to the invention, the soil below the pipeline adjusting assembly is tightened by utilizing the gravitational potential energy of the rainwater when the rain falls, so that the condition that the radial supporting force of the connecting device is insufficient due to the fact that the soil runs off along with the rainwater is avoided, and the soil below the pipeline adjusting assembly, which is originally positioned on the outer side, is gathered by the elastic reset of the clamping unit when the accumulated water is removed.
Further, the movable unit includes fixed plate, fly leaf, movable spring, sealed cowling, fixed plate and connecting plate upper surface fastening connection, the fixed plate upper surface is provided with the movable groove, fly leaf and movable groove sliding connection, one side and the sealed cowling that the connecting plate center was kept away from to the fly leaf link to each other, sealed cowling and movable groove sealing connection, one side and the movable groove lateral wall fastening connection of fly leaf near connecting plate center and movable spring fastening connection, one side and the movable groove lateral wall fastening connection of fly leaf are kept away from to the movable spring, fly leaf upper surface and connecting pipe fastening connection are provided with first via hole on the fly leaf, be provided with the second via hole on the fixed plate, when the movable spring is in uncompressed state, first via hole, the coincidence of second via hole. The connecting pipe is a metal folding pipe, and can be bent to a small extent. Under normal condition, outside rivers can flow into first via hole through the connecting pipe, pass the second via hole, and second via hole and adjustment storehouse are inside to be linked together, and rivers can get into adjustment storehouse inside, and the clamping unit is tight with soil, after several times clamp, and the soil compactness of pipeline adjusting part below has completely can bear its weight, and it is then probably that the pipeline adjusting part is by reverse jack-up to continue to press from both sides tight soil. In order to solve the problem, the invention is provided with a movable unit, and when the soil is contracted for several times, the soil where the connecting pipe is positioned shifts to a certain extent. When the offset exceeds the set value, the connecting pipe pulls the movable plate away from the second through hole, and at the moment, the water body passage is blocked. After the water in the adjusting bin slowly runs off, the soil is not contracted any more, and the water flow is not guided to the lower part of the connecting device any more. According to the invention, the water content of the soil in the area of the connecting device is balanced in the mode, so that excessive water loss is avoided, water and soil loss caused by excessive water is avoided, the compaction degree of the soil below the supporting seat is controlled within a certain range, and not only is enough supporting force provided for the supporting seat, but also reverse extrusion caused by excessively compact soil is avoided.
Further, coupling assembling includes the junction box, the control valve, communicating pipe, first outer tube, the second outer tube, sealing unit, the control valve, pipeline adjustment assembly sets up in the junction box, junction box and supporting seat top fastening connection, the control valve has two sets of, two sets of control valves set up respectively in pipeline adjustment assembly both sides, control valve one end and pipeline adjustment assembly fastening connection, the control valve other end and communicating pipe fastening connection, first outer tube pipe box is in the outside of communicating pipe, first outer tube and one side fastening connection of keeping away from the control valve of communicating pipe, the second outer tube pipe box is in the first outer tube outside, be provided with the meshing screw thread between second outer tube and the first outer tube, sealing unit sets up inside first outer tube, the second outer tube. The meshing threads of the first outer sleeve and the second outer sleeve are disengaged when rotating to the outermost ring, and at the moment, the first outer sleeve and the second outer sleeve are rotationally connected and can be re-engaged by reversing. The sealing unit seals the joint of the petroleum pipe fitting and the connecting device, the control valve can control the regional petroleum conveying speed and the on-off, and the connecting box protects the control valve and the pipeline adjusting assembly.
Further, sealing unit includes staple bolt, the seal cover, the chamber of keeping in, sealing rope, ring spring, seal cover one end and the outer sleeve inner wall fastening connection of second, the staple bolt sets up in the seal cover one side of keeping away from the outer sleeve of second, the continuous one end of seal cover and the outer sleeve of second is provided with the baffle ring, the baffle ring is to keeping away from the one side slope of the outer sleeve of second, ring spring sets up in the intracavity portion of keeping in, the chamber setting of keeping in is in first outer sleeve inside wall, ring spring one end and the intracavity wall fastening connection of keeping in, the ring spring other end links to each other with sealing rope, sealing rope twines in the chamber of keeping in, sealing rope other end and the outer sleeve inner wall fastening connection of second, ring spring keeps away from the one end diameter of keeping in the chamber lateral wall and is greater than the diameter that is close to the one end of keeping in the chamber lateral wall. The seal cover is sleeved on the petroleum pipe fitting during installation, the hoop clamps the seal cover and the petroleum pipe fitting, the blocking ring fills gaps between the second outer sleeve and the petroleum pipe fitting, and external water and air flow impact can press the blocking ring to the surface of the petroleum pipe fitting when acting on the blocking ring, so that the blocking force is further enhanced. When the sealing sleeve is connected, the second outer sleeve is rotated, the second outer sleeve can pull the sealing rope, the sealing rope is pulled out of the temporary storage cavity, the annular spring in the temporary storage cavity is pulled and twisted, the sealing rope is gradually wound on the outer surface of the petroleum pipe fitting along with the rotation of the second outer sleeve, when the second outer sleeve rotates to a disengaged position, the second outer sleeve is continuously rotated, the sealing rope is continuously wound, but the axial space inside the second outer sleeve is not increased any more, the sealing rope is made of an elastic rope, more circles of sealing ropes are continuously rotated and filled between the second outer sleeve and the petroleum pipe fitting, the sealing ropes are mutually extruded, the flattened sealing rope can radially expand, the gap between the petroleum pipe fitting and the second outer sleeve is completely sealed by the radial expansion of the multilayer sealing rope, and the second outer sleeve is fixed by the pin. The invention greatly simplifies the implementation process of sealing measures through the sealing unit, and greatly improves the number of sealing layers and sealing effect through linear expansion, on the other hand, the sealing unit is extremely convenient to detach, and the sealing rope can be automatically retracted by only reversely rotating the second outer sleeve and stretching and twisting the annular spring.
Further, the bottom of the connecting box is provided with a sliding plate, the sliding plate is in sliding connection with the connecting box, a plurality of brackets are arranged on the sliding plate, the brackets are fixedly connected with two sides of the control valve, and a buffer block is arranged at the center of the sliding plate. The buffer block is made of elastic materials and can deform under the action of pressure. The buffer block is made of elastic materials, can be compressed, and can buffer axial pressure when the petroleum pipe fitting expands due to temperature rise.
Further, the pipeline adjusting component comprises a corrugated pipe, a fixing flange, an air bag sleeve, a semicircular pipe and a circular cover, wherein the two ends of the corrugated pipe are fixedly connected with the fixing flange, one end of the fixing flange, which is far away from the corrugated pipe, is fixedly connected with the control valve, the air bag sleeve is fixed on a connecting pipeline of the fixing flange, two semicircular pipes are fixedly connected with the circular cover, one end of each semicircular pipe is fixedly connected with the circular cover, the two semicircular pipes are mutually and slidably connected with the circular cover and the other semicircular pipe, the two semicircular pipes form a sealing cavity, the air bag sleeve is connected with the sealing cavity through a pipeline, and the two semicircular pipes are respectively fixedly connected with supports positioned on two sides of the buffer block. When the temperature of petroleum in the pipeline rises, the axial expansion of the pipeline is improved, gas in the air bag sleeve is heated and expanded, the gas is input into the sealing cavity, the overlapping area of the two semicircular pipes is increased, and the total length of the semicircular pipes is reduced. The corrugated pipe is made of metal, and when the total length of the semicircular pipe is reduced, the corrugated pipe is also contracted. The invention avoids the axial stress of the petroleum pipeline caused by temperature change through axial displacement compensation, but also ensures that the connecting device has a certain degree of pressure in the axial direction so as to be close to the petroleum pipe fitting.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the gravitational potential energy of rainwater is utilized to increase the soil below the pipeline adjusting assembly to tighten the pipeline adjusting assembly in raining, so that the condition that the radial supporting force of the connecting device is insufficient due to the fact that the soil runs off along with the rainwater is avoided, and the soil below the pipeline adjusting assembly, which is originally positioned on the outer side, is gathered through elastic reset of the clamping unit when accumulated water is removed. The invention balances the water content of the soil in the area of the connecting device, avoids excessive water loss, also avoids water and soil loss caused by excessive water loss, controls the compaction degree of the soil below the supporting seat in a certain range, provides enough supporting force for the supporting seat, and also avoids reverse extrusion caused by excessively compact soil. The invention greatly simplifies the implementation process of sealing measures through the sealing unit, and greatly improves the number of sealing layers and sealing effect through linear expansion, on the other hand, the sealing unit is extremely convenient to detach, and the sealing rope can be automatically retracted by only reversely rotating the second outer sleeve and stretching and twisting the annular spring. The invention avoids the axial stress of the petroleum pipeline caused by temperature change through axial displacement compensation, but also ensures that the connecting device has a certain degree of pressure in the axial direction so as to be close to the petroleum pipe fitting.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a manifold plate of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the buried component of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a perspective view of a clamping unit of the present invention;
FIG. 6 is a cross-sectional view of the internal structure of the first outer sleeve and the second outer sleeve of the present invention;
FIG. 7 is a schematic diagram of the operation of the seal rope of the present invention;
FIG. 8 is a partial cross-sectional view of a pipe conditioning assembly of the present invention;
in the figure: 1-support assembly, 11-support base, 12-confluence plate, 13-connection pipe, 14-buried component, 141-connection plate, 142-adjustment bin, 143-adjustment plate, 144-clamping unit, 1441-conical head, 1442-deployment plate, 1443-hinge post, 145-return spring, 146-movable unit, 1461-fixed plate, 1462-movable plate, 1463-movable spring, 15-confluence hole, 16-confluence pipe, 2-connection assembly, 21-connection box, 211-sliding plate, 212-buffer block, 22-control valve, 23-connection pipe, 24-first outer sleeve, 25-second outer sleeve, 26-sealing unit, 261-anchor ear, 262-sealing sleeve, 263-temporary storage cavity, 264-sealing rope, 265-annular spring, 3-pipe adjustment assembly, 31-bellows, 32-fixed flange, 33-airbag sleeve, 34-semicircle pipe, 35-circular cap.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides the following technical solutions:
as shown in fig. 1-8, the petroleum pipe fitting sealing connection device with the heat insulation compensation function comprises a support component 1, a connection component 2, a pipeline adjusting component 3 and an adjusting frame, wherein the support component 1 is positioned on the lower side of the connection component 2 and the lower side of the pipeline adjusting component 3, the support component 1 is fixedly connected with the two sides of the pipeline adjusting component 3, and the adjusting frame is connected with the petroleum pipe fitting. The adjusting frame is arranged below the petroleum pipe fitting to be connected, the position of the petroleum pipe fitting is fixed, the adjusting frame and the petroleum pipe fitting are in sliding connection, the petroleum pipe fitting can be radially fixed, the radial deviation is avoided, and the axial expansion amount of the petroleum pipe fitting cannot be influenced. The support component 1 supports the pipeline adjusting component 3, the connecting component 2 is used for connecting the petroleum pipe fitting in a sealing way, and the pipeline adjusting component 3 compensates the change of the axial expansion amount generated due to the temperature change in the adiabatic conveying process of the petroleum pipe fitting. The invention avoids the axial stress of the petroleum pipeline caused by temperature change through axial displacement compensation, but also ensures that the connecting device has a certain degree of pressure in the axial direction so as to be close to the petroleum pipe fitting.
The support assembly 1 comprises a support seat 11, a bus plate 12, a connecting pipe 13 and an underground part 14, wherein the support seat 11 is in fastening connection with the connecting assembly 2, the bus plate 12 is arranged on the lower surface of the support seat 11, the top of the bus plate 12 is in fastening connection with the support seat 11, the bottom of the bus plate 12 is connected with the connecting pipe 13, one end, far away from the bus plate 12, of the connecting pipe 13 is connected with the underground part 14, a plurality of bus holes 15 are formed in the upper surface of the bus plate 12, bus pipes 16 are arranged inside the bus plate 12, the bus pipes 16 are connected with the connecting pipe 13, and the bus holes 15 are connected with the bus pipes 16. The support seat 11 is buried under the ground, and when raining, rainwater is collected by the busbar 12 and is intensively input into the connection pipe 13, and the connection pipe 13 conveys the rainwater to the buried member 14.
The buried component 14 comprises a connecting plate 141, an adjusting bin 142, an adjusting plate 143, a clamping unit 144, a reset spring 145 and a movable unit 146, wherein the two adjusting bins 142 are arranged, two sides of the lower surface of the connecting plate 141 are respectively and fixedly connected with different adjusting bins 142, the movable unit 146 is fixedly connected with the upper surface of the connecting plate 141, the connecting pipe 13 is connected with the movable unit 146, one side, close to the outer edge of the connecting plate 141, of the adjusting bin 142 is provided with an inclined baffle, one end of the adjusting plate 143 is inserted into the adjusting bin 142, one end, inserted into the adjusting bin 142, of the adjusting plate 143 is in sliding connection with the adjusting bin, two ends of the adjusting plate 143 are provided with telescopic covers, the telescopic covers are in sealing connection with the connecting plate 141, the reset spring 145 is arranged in the adjusting bin 142, one end of the reset spring 145 is fixedly connected with one side, far away from the outer edge of the connecting plate 141, of the other end of the adjusting bin 142 is fixedly connected with the adjusting plate 143, and one end, extending out of the adjusting plate 143, of the adjusting bin 142 is fixedly connected with the clamping unit 144. Rainwater flows into the adjustment bin 142 along the connecting pipe 13, drain holes are formed in the bottom of the adjustment bin 142, water flows are drained from the bottom of the adjustment bin 142 at a low speed, water and soil loss caused by too high water flow speed is avoided, accumulated water is more when the rainwater is raining, the water flows are not drained, the adjustment bin 142 is full of water, water flow pressure accumulated in the connecting pipe 13 also acts on the adjustment bin 142, the adjusting plate 143 presses the reset spring under the action of water pressure, and the clamping unit 144 is pushed to the center of the connecting plate 141. When the accumulated water is lost, the clamping unit 144 is moved to both sides by the return spring 145.
The clamping unit 144 comprises a conical head 1441, an unfolding plate 1442, a hinging post 1443 and a torsion spring, wherein the conical head 1441 is in fastening connection with the hinging post 1443, the unfolding plate 1442 is two, the two unfolding plates 1442 are respectively hinged with different positions of the hinging post 1443, the torsion spring is in fastening connection with the hinging post 1443, two sides of the torsion spring are respectively in fastening connection with the two unfolding plates 1442, the thickness of one end of the unfolding plate 1442, far away from the hinging post 1443, is smaller than that of one end, close to the hinging post 1443, and the conical head 1441 is in fastening connection with the adjusting plate 143. When the clamping unit 144 moves towards the center of the connecting plate 141, the two expanding plates 1442 are pushed away and respectively embedded into two sides of the soil, the moving process is changed into a tightening process of the soil, when the clamping unit 144 moves away from the center of the connecting plate 141, the conical heads 1441 squeeze into the soil at two sides, the two expanding plates 1442 deviate from the expanding direction of the torsion springs and can be squeezed and contracted, and the clamping unit 144 can squeeze into the new soil at the outer layer to prepare for the next soil contraction. According to the invention, the soil below the pipeline adjusting assembly 3 is tightened by utilizing the gravitational potential energy increase of the rainwater in raining, the condition that the radial supporting force of the connecting device is insufficient due to the fact that the soil runs off along with the rainwater is avoided, and the soil below the pipeline adjusting assembly 3, which is originally positioned on the outer side, is gathered by the elastic reset of the clamping unit 144 when the accumulated water is removed.
The movable unit 146 includes a fixed plate 1461, a movable plate 1462, a movable spring 1463, and a sealing cover, where the fixed plate 1461 is tightly connected to the upper surface of the connecting plate 141, the upper surface of the fixed plate 1461 is provided with a movable slot, the movable plate 1462 is slidably connected to the movable slot, one side of the movable plate 1462 far away from the center of the connecting plate 141 is connected to the sealing cover, the sealing cover is tightly connected to the movable slot, one side of the movable plate 1462 near the center of the connecting plate 141 is tightly connected to the movable spring 1463, one side of the movable spring 1463 far away from the movable plate 1462 is tightly connected to the side wall of the movable slot, the upper surface of the movable plate 1462 is tightly connected to the connecting pipe 13, a first through hole is provided on the movable plate 1462, and a second through hole is provided on the fixed plate, and when the movable spring 1463 is in an uncompressed state, the first through hole and the second through hole coincide. The connecting tube 13 of the present invention is provided as a metal folding tube, and a small-amplitude bending can occur. Under normal conditions, external water flows into the first through hole through the connecting pipe 13, passes through the second through hole, and is communicated with the inside of the adjustment bin 142, the water flows into the inside of the adjustment bin 142, the clamping unit 144 clamps the soil, after several times of clamping, the soil compactness below the pipeline adjusting assembly 3 can bear the weight of the soil completely, and if the soil is clamped continuously, the pipeline adjusting assembly 3 can be jacked reversely. To solve this problem, the present invention provides a movable unit 146 in which the soil where the connection pipe 13 is located is offset to some extent after several times of soil shrinkage. When the offset exceeds the set value, the connecting tube 13 pulls the movable plate 1462 away from the second through hole, and the water passage is blocked. After the water in the adjustment bin 142 slowly runs off, the soil is not contracted any more, and the water flow is not guided to the lower part of the connecting device any more. According to the invention, the water content of the soil in the area of the connecting device is balanced in the mode, so that excessive water loss is avoided, water and soil loss caused by excessive water is avoided, the compaction degree of the soil below the supporting seat is controlled within a certain range, and not only is enough supporting force provided for the supporting seat, but also reverse extrusion caused by excessively compact soil is avoided.
The connecting assembly 2 comprises a connecting box 21, control valves 22, a communicating pipe 23, a first outer sleeve 24, a second outer sleeve 25 and a sealing unit 26, wherein the control valves 22 and the pipeline adjusting assembly 3 are arranged in the connecting box 21, the connecting box 21 is fixedly connected with the top of the supporting seat 11, the two groups of control valves 22 are respectively arranged on two sides of the pipeline adjusting assembly 3, one end of each control valve 22 is fixedly connected with the pipeline adjusting assembly 3, the other end of each control valve 22 is fixedly connected with the communicating pipe 23, the first outer sleeve 24 is sleeved on the outer side of the communicating pipe 23, the first outer sleeve 24 is fixedly connected with one side of the communicating pipe 23 far away from the control valve 22, the second outer sleeve 25 is sleeved on the outer side of the first outer sleeve 24, meshing threads are arranged between the second outer sleeve 25 and the first outer sleeve 24, and the sealing unit is arranged inside the first outer sleeve and the second outer sleeve. The meshing threads of the first outer sleeve 24 and the second outer sleeve 25 of the present invention are disengaged when rotated to the outermost ring, and at this time, the first outer sleeve 24 and the second outer sleeve 25 are rotationally connected to each other, and reverse rotation is required to re-enter the meshing. The sealing unit 26 seals the joint between the petroleum pipe fitting and the connecting device, the control valve 22 can control the regional petroleum conveying speed and the on-off, and the connecting box 21 protects the control valve 22 and the pipeline adjusting assembly 3.
The sealing unit 26 includes staple bolt 261, seal cover 262, the cavity 263 of keeping in, sealing rope 264, annular spring 265, seal cover 262 one end and the outer sleeve 25 inner wall fastening connection of second, the staple bolt 261 sets up in the one side of keeping away from the outer sleeve 25 of seal cover 262, the one end that sealing cover 262 and the outer sleeve 25 link to each other is provided with the baffle ring, the baffle ring inclines to one side of keeping away from the outer sleeve 25 of second, annular spring 265 sets up in the cavity 263 inside keeping in, the cavity 263 of keeping in sets up in the inside wall of first outer sleeve 24, annular spring 265 one end and the cavity 263 inner wall fastening connection of keeping in, annular spring 265 other end and sealing rope 264 link to each other, sealing rope 264 twines in the cavity 263 of keeping in, sealing rope 264 other end and the outer sleeve 25 inner wall fastening connection of second, annular spring 265 is kept away from the diameter of the one end of keeping in the cavity 263 lateral wall that is greater than the diameter of being close to the one end of cavity 263 lateral wall of keeping in. The seal cover 262 is put on the petroleum pipe fitting when the installation, and staple bolt 261 is tight seal cover 262 and petroleum pipe fitting, and the clearance that blocks between ring and the petroleum pipe fitting with second outer sleeve 25 is filled, and external water, air current impact can be with blocking the ring to the oil pipe fitting surface oppression when acting on blocking the ring, has further strengthened the barrier force. When the sealing sleeve 262 is connected, the second outer sleeve 25 is rotated, the second outer sleeve 25 pulls the sealing rope 264, the sealing rope 264 is pulled out from the temporary storage cavity 263, the annular spring 265 in the temporary storage cavity 263 is pulled and twisted, the sealing rope 264 is gradually wound on the outer surface of the petroleum pipe fitting along with the rotation of the second outer sleeve 25, when the second outer sleeve 25 rotates to the disengaged position, the second outer sleeve 25 continues to rotate, at the moment, the sealing rope 264 continues to wind, but the axial space inside the second outer sleeve 25 is not increased any more, the material of the sealing rope 264 is an elastic rope, more circles of the sealing rope 264 are filled between the second outer sleeve 25 and the petroleum pipe fitting after continuing to rotate, the sealing ropes 264 are mutually extruded, the flattened sealing rope 264 radially expands, the gap between the petroleum pipe fitting and the second outer sleeve is completely sealed by the radial expansion of the multilayer sealing rope, and at the moment, the position of the second outer sleeve is fixed by the pin. The invention greatly simplifies the implementation process of sealing measures through the sealing unit, and greatly improves the number of sealing layers and sealing effect through linear expansion, on the other hand, the device is extremely convenient in disassembly, and the sealing rope can be automatically retracted by only reversely rotating the second outer sleeve and stretching the twisted annular spring 265, so that the sealing unit realizes cyclic utilization.
The connecting box 21 bottom is provided with the slip board 211, and slip board 211 and connecting box 21 sliding connection are provided with a plurality of support on the slip board 211, and support and control valve 22 both sides fastening connection, slip board 211 central point department is provided with buffer block 212. The buffer block 212 is made of elastic material and can be deformed under the action of pressure. The buffer block 212 is made of elastic materials, can be compressed, and when the petroleum pipe fitting expands due to temperature rise, the sliding plate 211 can bear axial pressure along the pipeline, and the buffer block 212 is compressed and can buffer the axial pressure.
The pipeline adjusting component 3 comprises a corrugated pipe 31, a fixing flange 32, an air bag sleeve 33, semicircular pipes 34 and a circular cover 35, wherein two ends of the corrugated pipe 31 are fixedly connected with the fixing flange 32, one end of the fixing flange 32, which is far away from the corrugated pipe 31, is fixedly connected with the control valve 22, the air bag sleeve 33 is fixed on a connecting pipeline of the fixing flange 32, two semicircular pipes 34 are fixedly connected with the circular cover, the two semicircular pipes 34 are mutually and slidably connected, the circular cover 35 connected with one semicircular pipe 34 is slidably connected with the other semicircular pipe 34, the two semicircular pipes 34 form a sealing cavity, the air bag sleeve 33 is connected with the sealing cavity through the pipeline, and the two semicircular pipes 34 are respectively and fixedly connected with supports positioned on two sides of the buffer block 212. When the temperature of the petroleum in the pipeline rises, the axial expansion of the pipeline is improved, the gas in the air bag sleeve 33 is heated and expanded, the gas is input into the sealing cavity, the overlapping area of the two semicircular pipes 34 is increased, and the total length of the semicircular pipes 34 is reduced. The corrugated tube 31 is made of metal, and when the total length of the semicircular tube is reduced, the corrugated tube 31 is also contracted. The invention avoids the axial stress of the petroleum pipeline caused by temperature change through axial displacement compensation, but also ensures that the connecting device has a certain degree of pressure in the axial direction so as to be close to the petroleum pipe fitting.
The working principle of the invention is as follows: the support seat 11 is buried under the ground, and when raining, rainwater is collected by the busbar 12 and is intensively input into the connection pipe 13, and the connection pipe 13 conveys the rainwater to the buried member 14. Rainwater flows into the adjustment bin 142 along the connecting pipe 13, the adjustment bin 142 is filled, the water pressure accumulated in the connecting pipe 13 also acts on the adjustment bin 142, the adjusting plate 143 presses the return spring under the action of the water pressure, and the clamping unit 144 is pushed to the center of the connecting plate 141. When the accumulated water is lost, the clamping unit 144 is moved to both sides by the return spring 145, and the soil is tightened during this process. The seal sleeve 262 is sleeved on the petroleum pipe fitting during installation, the seal sleeve 262 is clamped with the petroleum pipe fitting by the anchor ear 261, gaps between the second outer sleeve 25 and the petroleum pipe fitting are filled by the blocking ring, after the seal sleeve 262 is connected, the second outer sleeve 25 is rotated, the seal rope 264 is pulled and stretched out from the temporary storage cavity 263, the annular spring 265 in the temporary storage cavity 263 is pulled and twisted, the seal rope 264 is gradually wound on the outer surface of the petroleum pipe fitting along with the rotation of the second outer sleeve 25, when the second outer sleeve 25 is rotated to the disengaged position, the second outer sleeve 25 is continuously rotated, the seal ropes 264 are continuously wound, the seal ropes 264 are mutually extruded, the flattened seal ropes 264 are radially expanded, and the gaps between the petroleum pipe fitting and the second outer sleeve are completely sealed by the radial expansion of the plurality of seal ropes. When the temperature of the petroleum in the pipeline rises, the axial expansion of the pipeline is improved, the gas in the air bag sleeve 33 is heated and expanded, the gas is input into the sealing cavity, the overlapping area of the two semicircular pipes 34 is increased, the total length of the semicircular pipes 34 is reduced, the corrugated pipe 31 is contracted along with the total length of the semicircular pipes, and displacement compensation is carried out on the axial expansion.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A petroleum pipe fitting sealing connection device with adiabatic compensation function, its characterized in that: the connecting device comprises a supporting component (1), a connecting component (2), a pipeline adjusting component (3) and an adjusting frame, wherein the supporting component (1) is positioned on the lower side of the connecting component (2) and the lower side of the pipeline adjusting component (3), the supporting component (1) is fixedly connected with two sides of the pipeline adjusting component (3), and the adjusting frame is connected with a petroleum pipe fitting;
the support assembly (1) comprises a support seat (11), a bus plate (12), a connecting pipe (13) and an underground part (14), wherein the support seat (11) is in fastening connection with the connecting assembly (2), the bus plate (12) is arranged on the lower surface of the support seat (11), the top of the bus plate (12) is in fastening connection with the support seat (11), the bottom of the bus plate (12) is connected with the connecting pipe (13), one end, far away from the bus plate (12), of the connecting pipe (13) is connected with the underground part (14), a plurality of bus holes (15) are formed in the upper surface of the bus plate (12), bus pipes (16) are arranged in the bus plate (12), the bus pipes (16) are connected with the connecting pipe (13), and the bus holes (15) are connected with the bus pipes (16).
The underground part (14) comprises a connecting plate (141), two adjusting bins (142), an adjusting plate (143), a clamping unit (144), a reset spring (145) and a movable unit (146), wherein the two adjusting bins (142) are arranged, two sides of the lower surface of the connecting plate (141) are respectively and tightly connected with different adjusting bins (142), the movable unit (146) is tightly connected with the upper surface of the connecting plate (141), the connecting pipe (13) is connected with the movable unit (146), an inclined baffle is arranged on one side, close to the outer edge of the connecting plate (141), of the adjusting bin (142), one end of the adjusting plate (143) is inserted into the adjusting bin (142), one end, which is inserted into the adjusting bin (142), of the adjusting plate (143) is in sliding connection with the adjusting bin (142), two ends of the adjusting plate (143) are provided with telescopic covers, the telescopic covers are in sealing connection with the connecting plate (141), one end of the reset spring (145) is tightly connected with one side, far away from the outer edge of the connecting plate (141), of the side, which is far away from the connecting plate (141), of the other end of the adjusting bin (142) is tightly connected with the other end, which is tightly connected with the adjusting plate (145) by the clamping unit (144);
the clamping unit (144) comprises a conical head (1441), expansion plates (1442), a hinge column (1443) and a torsion spring, wherein the conical head (1441) is in fastening connection with the hinge column (1443), the expansion plates (1442) are hinged to different positions of the hinge column (1443) respectively, the torsion spring is in fastening connection with the hinge column (1443) respectively, two sides of the torsion spring are in fastening connection with the two expansion plates (1442) respectively, the thickness of one end of the expansion plate (1442) far away from the hinge column (1443) is smaller than that of one end close to the hinge column (1443), and the conical head (1441) is in fastening connection with the adjusting plate (143);
the connecting assembly (2) comprises a connecting box (21), a control valve (22), a communicating pipe (23), a first outer sleeve (24), a second outer sleeve (25) and a sealing unit (26), wherein the control valve (22) and the pipeline adjusting assembly (3) are arranged in the connecting box (21), the top of the connecting box (21) is fixedly connected with the top of a supporting seat (11), the two groups of the control valves (22) are respectively arranged on two sides of the pipeline adjusting assembly (3), one end of the control valve (22) is fixedly connected with the pipeline adjusting assembly (3), the other end of the control valve (22) is fixedly connected with the communicating pipe (23), the first outer sleeve (24) is sleeved on the outer side of the communicating pipe (23), the first outer sleeve (24) is fixedly connected with one side of the communicating pipe (23) away from the control valve (22), the second outer sleeve (25) is sleeved on the outer side of the first outer sleeve (24), engaged threads are arranged between the second outer sleeve (25) and the first outer sleeve (24), and the sealing unit (26) is arranged inside the second outer sleeve (24);
the bottom of the connecting box (21) is provided with a sliding plate (211), the sliding plate (211) is in sliding connection with the connecting box (21), the sliding plate (211) is provided with a plurality of brackets, the brackets are fixedly connected with two sides of the control valve (22), and a buffer block (212) is arranged at the center of the sliding plate (211);
the utility model provides a pipeline adjusting part (3) is including bellows (31), mounting flange (32), gasbag cover (33), semicircle pipe (34), circular lid (35), bellows (31) both ends and mounting flange (32) fastening connection, mounting flange (32) keep away from the one end and the control valve (22) fastening connection of bellows (31), gasbag cover (33) are fixed on the connecting tube of mounting flange (32), semicircle pipe (34) have two, semicircle pipe (34) one end and circular lid (35) fastening connection, two semicircle pipe (34) each other sliding connection, circular lid (35) and another semicircle pipe (34) sliding connection of being connected on one semicircle pipe (34), two semicircle pipe (34) form sealed chamber, gasbag cover (33) are continuous through pipeline and sealed chamber, two semicircle pipe (34) are respectively with the support fastening connection that is located buffer block (212) both sides.
2. The petroleum pipe sealing and connecting device with heat insulation compensation function according to claim 1, wherein: the movable unit (146) comprises a fixed plate (1461), a movable plate (1462), a movable spring (1463) and a sealing cover, wherein the fixed plate (1461) is fixedly connected with the upper surface of the connecting plate (141), a movable groove is formed in the upper surface of the fixed plate (1461), the movable plate (1462) is slidably connected with the movable groove, one side, far away from the center of the connecting plate (141), of the movable plate (1462) is connected with the sealing cover, the sealing cover is hermetically connected with the movable groove, one side, close to the center of the connecting plate (141), of the movable plate (1462) is fixedly connected with the movable spring (1463), one side, far away from the movable plate (1462), of the movable spring (1463) is fixedly connected with the side wall of the movable groove, the upper surface of the movable plate (1462) is fixedly connected with the connecting pipe (13), a first conducting hole is formed in the movable plate (1462), a second conducting hole is formed in the fixed plate (1461), and when the movable spring (1463) is in an uncompressed state, the first conducting hole and the second conducting hole are coincident.
3. A petroleum pipe fitting sealing connection with adiabatic compensation function as claimed in claim 2, wherein: the sealing unit (26) comprises a hoop (261), a sealing sleeve (262), a temporary storage cavity (263), a sealing rope (264) and an annular spring (265), wherein one end of the sealing sleeve (262) is fixedly connected with the inner wall of the second outer sleeve (25), the hoop (261) is arranged on one side, far away from the second outer sleeve (25), of the sealing sleeve (262), one end, connected with the second outer sleeve (25), of the sealing sleeve (262) is provided with a blocking ring, the blocking ring inclines towards one side, far away from the second outer sleeve (25), of the sealing sleeve, the annular spring (265) is arranged inside the temporary storage cavity (263), the temporary storage cavity (263) is arranged in the inner wall of the first outer sleeve (24), one end of the annular spring (265) is fixedly connected with the inner wall of the temporary storage cavity (263), the other end of the annular spring (265) is fixedly connected with the inner wall of the second outer sleeve (25), and the annular spring (265) is wound in the temporary storage cavity (263), and the diameter of one end, far away from the side wall of the temporary storage cavity (263), is larger than the diameter of the side wall, close to the temporary storage cavity (263).
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| CN202210553281.8A CN115164105B (en) | 2022-05-20 | 2022-05-20 | Petroleum pipe fitting sealing connection device with adiabatic compensation function |
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| CN202210553281.8A CN115164105B (en) | 2022-05-20 | 2022-05-20 | Petroleum pipe fitting sealing connection device with adiabatic compensation function |
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| CN115164105B true CN115164105B (en) | 2023-09-29 |
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| CN216158483U (en) * | 2021-09-14 | 2022-04-01 | 王新昌 | Water conservancy and hydropower engineering's drain pipe reinforcement instrument convenient to installation |
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| US10900597B2 (en) * | 2017-11-29 | 2021-01-26 | Krausz Industries Ltd. | Anti-corrosion pipe system with adjustable length |
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| CN101984337A (en) * | 2010-10-27 | 2011-03-09 | 南京宝色股份公司 | Pipeline hydraulic test device |
| EP2955426A2 (en) * | 2014-06-13 | 2015-12-16 | Funke Kunststoffe GmbH | Construction kit for a pipe conduit connection |
| CN206608645U (en) * | 2017-03-03 | 2017-11-03 | 杨木超 | One kind is expanded with heat and contract with cold regulation plumbing installation |
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| CN115164105A (en) | 2022-10-11 |
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