CN115596927A - Pipeline sealing clamp protecting support - Google Patents
Pipeline sealing clamp protecting support Download PDFInfo
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- CN115596927A CN115596927A CN202211614024.7A CN202211614024A CN115596927A CN 115596927 A CN115596927 A CN 115596927A CN 202211614024 A CN202211614024 A CN 202211614024A CN 115596927 A CN115596927 A CN 115596927A
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- 238000007789 sealing Methods 0.000 title claims abstract description 217
- 239000003292 glue Substances 0.000 claims description 84
- 238000002347 injection Methods 0.000 claims description 83
- 239000007924 injection Substances 0.000 claims description 83
- 230000001681 protective effect Effects 0.000 claims description 18
- 239000000565 sealant Substances 0.000 claims description 10
- 230000037303 wrinkles Effects 0.000 claims description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 8
- 239000010951 brass Substances 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 12
- 208000034656 Contusions Diseases 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 18
- 238000009434 installation Methods 0.000 description 13
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 9
- 239000011152 fibreglass Substances 0.000 description 9
- 230000007704 transition Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008439 repair process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 239000004836 Glue Stick Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 230000000704 physical effect Effects 0.000 description 1
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- -1 polyethylene Polymers 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of pipeline maintenance, in particular to a pipeline sealing clamp protecting support which comprises a sealing clamp, a protecting box, a front sliding supporting ring and a rear sliding supporting ring, wherein the sealing clamp comprises a left sealing jacket and a right sealing jacket, the left sealing jacket comprises a connecting lug plate and a jacket body with a right semi-cylinder opening, and the outer sides of the upper end and the lower end of the jacket body are respectively provided with a connecting lug plate provided with a bolt hole. The pipeline anti-bruising device is reasonable and compact in structure and convenient to use, and by arranging the protection box and the sliding groove, the sealing clamp can be kept to move in the sliding groove when the sealing clamp slides due to the fact that the pipeline stretches and creeps, and pipeline bruising caused by the fact that the pipeline and the sealing clamp are not concentric is avoided; realize the protection to sealed fixture through setting up the guard box, effectively solve the current situation that subsidiary sealed fixture lacks corresponding safeguard measure on the pipeline, have stable, reliable and protect effectual characteristics.
Description
Technical Field
The invention relates to the technical field of pipeline maintenance, in particular to a protective support for a pipeline sealing clamp.
Background
At present, the maintenance and repair technology with no fire and pressure for the oil field is continuously expanded and innovated on the basis of the traditional injection type leakage blocking technology with pressure, and technical systems such as pipeline welding-free leakage blocking with pressure, fire-free hole opening with pressure, fire-free quick connection and the like are gradually formed, so that the maintenance and repair technology with fire and pressure for the oil and gas conveying pipeline is gradually improved.
Chinese patent publication No. CN 105605364B discloses a sealing clamp for a pipe, which is characterized in that the sealing clamp comprises a plurality of clamping plates sequentially spliced in the circumferential direction, a pipe body wrapping space is formed between the plurality of clamping plates, a damaged pipe to be repaired is arranged in the pipe body wrapping space, and two ends of the clamping plates are respectively in sealing connection with nondestructive pipes at two ends of the damaged pipe; the end part of the clamping plate is provided with an expansion plate, and the expansion plate extends along the axial direction of the clamping plate; the clamping plate comprises a wrapping part and positioning bulges arranged at two ends of the wrapping part, the wrapping part is arranged around the damage-free pipe, the positioning bulges are arranged around the damage-free pipe, and the positioning bulges are connected with the damage-free pipe in a sealing way; a glue injection groove is formed in one side, close to the non-damage pipe, of the positioning protrusion, a glue injection hole is formed in the positioning protrusion, the glue injection hole is communicated with the glue injection groove, and the glue injection hole is formed in the bottom of the glue injection groove; the clamping plates are provided with connecting plates, and the adjacent clamping plates are connected through the connecting plates respectively, wherein the connecting plates are strip-shaped plates, and the connecting plates extend along the extending direction of the clamping plates; the damage pipe is a steel skeleton polyethylene plastic composite pipe. The sealing clamp of the pipe fitting can quickly maintain the leakage point of the damaged pipe under the condition that the pipeline is not emptied and the fire is not triggered, effectively avoids the production stop loss caused by long-time shutdown maintenance of the pipeline, improves the working efficiency and reduces the maintenance cost.
Chinese patent document No. CN 108240524B discloses a variable-diameter pipeline sealing clamp, which includes a plurality of clamping plates sequentially spliced along the circumferential direction of a pipeline to be repaired, where the pipeline includes a damaged pipe section and lossless pipe sections disposed on two sides of the damaged pipe section, and the variable-diameter pipeline sealing clamp further includes: the transition assembly is sleeved on the lossless pipe section on at least one side of the damaged pipe section, and the clamping plates are wrapped on the outer side of the damaged pipe section and connected with the lossless pipe section through the transition assembly; the inner diameter of the transition assembly is matched with the outer diameter of the corresponding lossless pipe section; the transition assembly comprises a sealing ring which is sleeved on the lossless pipe section and is in sealing connection with the outer pipe wall of the lossless pipe section; a pipe body wrapping space used for wrapping the damaged pipe section is formed between the clamping plates and the transition assemblies on two sides of the damaged pipe section, and the damaged pipe section is sealed in the pipe body wrapping space; a first glue injection groove is formed in the wall surface, in contact with the outer pipe wall of the lossless pipe section, of the sealing ring, and the sealing ring is connected with the outer pipe wall of the lossless pipe section in a sealing mode through sealing glue poured in the first glue injection groove; the sealing ring is provided with a first glue injection hole which is used for being communicated with the first glue injection groove, and the first glue injection hole extends along the radial direction of the sealing ring; a second glue injection hole which is used for being communicated with the first glue injection groove is formed in the sealing ring and extends along the axial direction of the sealing ring; an installation groove is formed in the inner wall of the clamping plate, and at least part of the transition assembly is sealed in the installation groove; the clamping plate is provided with a third glue injection hole which is used for being communicated with the mounting groove; a second glue injection groove is formed in the inner wall of the mounting groove and is formed in the side wall of the mounting groove; the first glue injection hole and the second glue injection hole are communicated with the first glue injection groove; the first glue injection hole is communicated with the third glue injection hole, and the second glue injection hole is communicated with the second glue injection groove; the number of the transition assemblies and the number of the mounting grooves are two, and the two transition assemblies are correspondingly mounted in the two mounting grooves respectively; the number of the second glue injection grooves is two, and the two second glue injection grooves are correspondingly arranged on the side walls of the two mounting grooves respectively; the clamping plate is provided with two clamping plates, a groove is formed in the end face, close to the other clamping plate, of one clamping plate of the two clamping plates, and the two mounting grooves are communicated through the groove. This but sealed fixture of reducing pipeline can select the transition subassembly that suits rather than the pipe diameter to the pipe diameter of different oil field pipelines, seals up damaged pipe section in body parcel space, can realize the repair to different pipe diameter oil field pipelines under the prerequisite that does not change the cardboard, has solved the comparatively single problem of the sealed fixture application range of reducing pipeline among the prior art.
Chinese patent document No. CN 108240523A discloses a special-shaped clamp for sealing a pipeline, which includes a clamp body wrapped on a pipeline to be repaired, the pipeline has a first branch pipe and a second branch pipe which are arranged in a crossing manner, and the clamp body further includes: a first wrapping section for wrapping around the first branch pipe; a second wrapping section connected to the first wrapping section, the second wrapping section being for wrapping around the second branch pipe; the inner wall of the first wrapping part is provided with an annular glue injection groove, and the first wrapping part is connected with the first branch pipe in a sealing manner through sealant poured in the annular glue injection groove; and/or an annular glue injection groove is formed in the inner wall of the second wrapping part, and the second wrapping part is in sealing connection with the second branch pipe through a sealing glue poured into the annular glue injection groove. The pipeline sealing special-shaped clamp effectively solves the problem that the pipeline sealing clamp in the prior art is difficult to maintain a pipeline (such as a tee joint) with a plurality of branch pipes.
Chinese patent publication No. CN 104633377B discloses a process for installing high-pressure glass fiber pipelines and repairing damaged pipes, which is characterized by comprising the following steps; step 1, cutting a damaged surface of the glass reinforced plastic pipe pipeline; cutting off the damaged part of the pipeline to ensure that the end surface of the fracture is neat and intact, and the distance between two ends of the fracture is not more than 20mm; when the damaged part of the pipeline is longer, the pipe can be cut off according to the required length, and two fractures are formed by considering the replacement of part of the pipeline; step 2, a medium diversion process; if the long-distance pipeline is not easy to empty or the emptying time is too long, medium diversion can be implemented to shorten the construction time; the inflatable leather bag with the flow guide pipe and the inflation pipe is placed into a pipeline, the air pump inflates the leather bag through the inflation pipeline, the leather bag expands and blocks the pipeline, the leather bag is prevented from moving outwards by a rubber cushion, so that a medium is guided to a specified position from the flow guide line, the fracture of the pipeline can be kept clean and dry, and the next construction condition is achieved; step 3, finishing the end face of the glass reinforced plastic pipe pipeline; respectively trimming the outer conical surfaces with the cone angles of 1-5 degrees at two ends of the pipeline fracture by using a cone driver or other special tools, wherein h2 is the wall thickness of the pipeline, h1 is the thickness of a reserved part after trimming, and h1/h2 is required to be not less than 1/2, and step 4, manufacturing a sealing joint; the same inner diameter and material glass steel pipe, the wall thickness is increased by 10mm to make into a 200mm long ring nipple, one side uses a cone-making device or other special tools to repair the inner cone surface with the same cone angle and the same length as the outer cone surface of the pipeline on the inner wall of the pipeline; the pipe wall on the other side is thinned by 6mm, the axial width of the pipe extending line is 150mm, the end surfaces are neat to form a butt joint short section, and the sealing joint can also be prefabricated in a factory according to the size of the pipeline; h3 The thickness of the port of the reserved part after the inner conical surface is repaired is not less than 10mm; h4 is the inner diameter of the pipeline; h2 is the wall thickness of the pipeline, h5 is the thickness of the other side of the pipeline wall which is thinned by 6mm, and h5= h2+ h3-6mm; step 5, bonding a sealing joint; cleaning contact surfaces, uniformly brushing an adhesive to bond the contact surfaces, heating the bonding surfaces by using an electric heating belt or other heating equipment, controlling the heating temperature to be below 70 ℃ until the adhesive is completely cured, finishing and butting butt joints at two sides after sealing joints at two ends of a pipeline cut are bonded, and neatly forming an annular groove on a butt joint surface interface; step 6, lining a protection slip; manufacturing a lining slip according to the specification and the size of the annular groove, wherein the wall thickness of the lining slip is 6mm, and the lining slip is lapped in an upper disc and a lower disc in a staggered way and clamped on the annular groove to be filled and leveled; the lining protection slip is made of 45# steel; step 7, manufacturing and installing a sealing clamp; the clamp is of a double-arc-surface structure and is divided into an upper disc and a lower disc, the upper disc and the lower disc are connected through a strip-shaped clamping lug with a bolt to form a tubular structure, and two sealing joints are fixed in the clamp; the upper and lower discs are respectively provided with a strip-shaped glue injection groove, four mutually connected sealing cavities are formed after buckling, namely two annular sealing cavities at two ends of the clamp and two strip-shaped sealing cavities at the joint surface of the upper and lower discs; for medium and low pressure glass fiber reinforced plastic pipeline, the glue injection groove is 5-10mm deep and 8-15mm wide, and for high pressure glass fiber reinforced plastic pipeline, the glue injection groove is 10-20mm deep and 15-25mm wide; the joint surface gap between the upper disc and the lower disc of the fixture is less than 0.1mm, the joint surface gap between the fixture and the glass reinforced plastic pipe is less than 0.5mm, the glue injection holes are uniformly arranged along the sealing cavity, and the linear and arc line distances between the two holes are less than 100mm; the sealing clamp is made of steel for the boiler pressure container; the wall thickness of the sealing clamp is determined according to the rated pressure of the glass fiber reinforced plastic pipeline, and the pressure of the sealing pressure test at the simulated pipe section is not less than 1.5 times of the rated pressure of the pipeline, so that the pipeline is qualified; step 8, selecting a sealing injection agent; selecting a non-curing type sealing injection agent, wherein the use temperature is 0-280 ℃, and the use pressure is less than 60MPa; step 9, a glue injection sealing operation method is adopted; before operation, the critical pressure of the glass steel pipeline causing the instability of the pipeline is determined through tests, the condition that a pipe section in contact with sealant is in good condition is checked and confirmed, the sealing injection agent is heated to 90-120 ℃ before use, the sealing injection agent is a glue stick, and the injection pressure is controlled to be below 70% of the critical pressure of the pipeline and is not less than the rated pressure of the pipeline during operation; and step 10, completely wrapping the sealing clamp by using a slip type plastic rubber sleeve, and internally attaching grease for corrosion prevention. The technological method for the installation of the high-pressure glass fiber pipeline and the damage and maintenance of the high-pressure glass fiber pipeline can safely and effectively finish the repair of glass fiber reinforced plastic pipelines with different pressure grades, overcomes the defect of the threaded connection of the glass fiber reinforced plastic pipeline, provides a novel pipeline connection installation and maintenance and repair technology, and ensures that all technical performance indexes of the repaired pipeline are not lower than those of the original pipeline design.
Chinese patent document No. CN 107402120B discloses a pipe clamping device and a quality detection method of a sealing clamp, and the pipe clamping device is characterized by comprising: a support portion having a support platform; the clamping part is arranged on the supporting platform and is provided with an accommodating part for accommodating an experiment pipeline so as to fix the experiment pipeline on the clamping part; a slip prevention part disposed in the accommodating part to prevent the experiment pipeline from slipping; the clamping portion includes: the first stopping part is arranged on the supporting platform; the second stopping part is arranged on the supporting platform, and a V-shaped accommodating part is formed between the first stopping part and the second stopping part; the clamping part further includes: the anti-skid part is arranged on a first stopping surface of the first stopping part and/or a second stopping surface of the second stopping part, a V-shaped accommodating part is formed between the first stopping surface and the second stopping surface, and the anti-skid part is a rubber pad arranged on the clamping part. The pipeline clamping device and the quality detection method of the sealing clamp effectively solve the problems that stability detection and sealing performance test links such as safe construction pressure, strength and the like of a machined sealing clamp are lacked at home and abroad, the safety and stability of the clamp and the operation success rate in the field construction process cannot be ensured, and the clamp used in the prior art has certain potential safety hazards.
Chinese patent publication No. CN107401655B discloses a method for identifying defects of metal pipelines and maintaining without welding, which is characterized by comprising: establishing a damage data table, and establishing a functional relation between a damage working condition and safe construction pressure in the damage data table; detecting the damage working condition of the pipeline through a detection device, and determining the safe construction pressure of the pipeline by inquiring the damage data table according to the damage working condition determined after the detection of the detection device; selecting a matched sealing clamp according to the determined safe construction pressure and the determined damage working condition; installing the sealing clamp at the damage position of the pipeline, and forming a cavity between the sealing clamp and the outer wall of the pipeline; and injecting sealant into the cavity through a glue injection device to perform sealing maintenance on the damaged part of the pipeline, wherein the pressure generated by the sealant in the cavity is less than the safe construction pressure. The metal pipeline defect identification and welding-free maintenance method effectively solves the problem that the pipeline cannot be repaired due to improper pressure control of injected sealant in the prior art.
Chinese patent document No. CN 108240522B discloses a pipeline sealing overlapping clamp, including a plurality of clamping plate assemblies, where the clamping plate assemblies have a pipe body wrapping space for wrapping a damaged pipe section of a pipeline to be repaired, and is characterized in that the plurality of clamping plate assemblies are sequentially spliced along a length direction of the pipeline to wrap the damaged pipe section, two adjacent clamping plate assemblies are connected by a concave-convex structure arranged on the two clamping plate assemblies, the concave-convex structure includes a protruding portion arranged on one clamping plate assembly and a groove portion arranged on the other clamping plate assembly, and the protruding portion is embedded in the groove portion to splice the two clamping plate assemblies; the convex part is arranged on the outer wall of the clamping plate of the corresponding clamping plate assembly and is convex along the radial direction of the clamping plate, and the groove part is arranged on the inner wall of the clamping plate of the corresponding clamping plate assembly and is concave along the radial direction of the clamping plate; the plurality of clamping plate assemblies comprise a first clamping plate assembly and a second clamping plate assembly, the first clamping plate assembly comprises a first clamping plate, and the second clamping plate assembly comprises a second clamping plate; one end of the first clamping plate, which is close to the second clamping plate, is provided with a first groove part, one end of the second clamping plate, which is close to the first clamping plate, is provided with a first protruding part, and the first protruding part is embedded in the first groove part; the number of the first protruding parts is at least two, and a first glue injection gap is formed between every two adjacent first protruding parts; each first protruding part is embedded in the first groove part; the first glue injection gap extends along the circumferential direction of the second clamping plate. The pipeline sealing lapping fixture effectively solves the problem that the pipeline sealing fixture in the prior art is difficult to maintain the damaged and longer pipeline.
Chinese patent document No. CN 112128508B discloses a method for using a high-precision high-pressure movable groove edge fixture, which includes a left sealing jacket and a right sealing jacket, and is characterized in that the left sealing jacket includes a semi-circular jacket body with a right opening, inner ring platforms are respectively disposed at front and rear ends of an inner wall of the jacket body, two semi-circular movable groove edges made of brass material and used for sealing and matching with an outer wall of a pipeline are detachably disposed on an inner wall of each inner ring platform, the two movable groove edges are spaced along an axial direction of the inner ring platforms, a glue injection groove for storing sealant is formed between the two movable groove edges, a plurality of glue injection holes leading to an outer wall of the jacket body are circumferentially spaced on the inner ring platform corresponding to each glue injection groove, a connecting lug plate with bolt holes is respectively disposed at upper and lower outer sides of a right side of the jacket body, the right sealing jacket and the left sealing jacket are identical in structure and are arranged in left-right mirror symmetry, and the left sealing jacket are fastened together by bolts; be equipped with two semicircular ring shape positioning ring grooves along the axial direction interval on the inner wall of inner ring platform, the activity trough edge includes semicircular ring shape sealing portion, be equipped with on the sealing portion lateral wall with positioning ring groove complex positioning ring platform, positioning ring platform card dress is in positioning ring groove, the method goes on according to following step: firstly, cleaning the outer wall of a damaged pipe section; secondly, respectively buckling a left sealing jacket and a right sealing jacket of a high-precision high-pressure movable groove edge clamp on the outer wall of the damaged pipe section, enabling a leakage point to be positioned between inner ring platforms at the front end and the rear end, fixedly connecting the left sealing jacket and the right sealing jacket together through bolts to clamp the pipe section, and enabling the movable groove edge to deform through clamping force to enable the movable groove edge to be tightly attached to the outer wall of the pipe end, so that the damaged pipe section can be sealed in the high-precision high-pressure movable groove edge clamp; and thirdly, injecting glue into the glue injection groove through the glue injection holes by using a hydraulic oil pump and a high-pressure glue injection gun, wherein the injection sequence is that the glue is injected along the glue injection holes from far to near from the leakage point. The use method of the high-precision high-pressure movable groove edge clamp effectively solves the problems of glue leakage and glue leakage caused by incomplete attachment between the existing clamp and the pipeline wall.
Chinese patent document No. CN 113561502A discloses a multi-tube diameter universal fixture for fast assembling a multi-stage barrier, which is characterized by comprising a sealing jacket, a fixing ring, a sealing ring, an upper connecting ear plate and a lower connecting ear plate, wherein the sealing jacket comprises an upper jacket and a lower jacket, the upper jacket is in a semi-cylinder shape with a downward opening, the lower jacket is in a semi-cylinder shape with an upward opening, the sealing ring is arranged inside the fixing ring, a limiting ring groove is arranged inside the middle of the fixing ring, a limiting ring platform matched with the limiting ring groove and positioned in the limiting ring groove is arranged outside the middle of the sealing ring, the fixing ring comprises an upper fixing ring and a lower fixing ring, the sealing ring comprises an upper sealing ring and a lower sealing ring, the upper fixing ring and the upper sealing ring are both in a semi-ring shape with a downward opening, and the lower fixing ring and the lower sealing ring are both in a semi-ring shape with an upward opening; at least two upper fixing rings are fixedly installed on the left and right inner sides of the left end of the upper jacket at intervals, at least two upper fixing rings are fixedly installed on the left and right inner sides of the right end of the upper jacket at intervals, and a lower fixing ring is fixedly installed on the inner side of the lower jacket corresponding to each upper fixing ring; an upper glue injection cavity is formed between every two adjacent upper fixing rings, a lower glue injection cavity is formed between every two adjacent lower fixing rings, and ring groove glue injection holes are formed in the outer side of the sealing jacket corresponding to the positions of each upper glue injection cavity and the lower glue injection cavity; the upper connecting lug plates are fixedly mounted at the lower end of the front side and the lower end of the rear side of the upper clamping sleeve, the lower connecting lug plates are fixedly mounted at the upper end of the front side and the upper end of the rear side of the lower clamping sleeve, the upper connecting lug plates are detachably and fixedly mounted with the lower connecting lug plates at corresponding positions, glue injection long grooves which can be communicated with all the upper glue injection cavities are formed in the lower sides of the two upper connecting lug plates, and long groove glue injection holes are formed in the upper sides of the upper connecting lug plates corresponding to the positions of the glue injection long grooves. The rapid assembly multi-stage barrier multi-pipe-diameter universal fixture effectively solves the problems that the existing injection type sealing fixture is complex to process and poor in sealing effect.
However, a buried pipeline is generally buried directly after maintenance by a constant fire and pressure maintenance technology, and by taking the specific use of the sealing clamp of the chinese patent with the publication number CN 105605364B, "sealing clamp of a pipe fitting", the sealing clamp of a variable diameter pipeline with the publication number CN 108240524B, "sealing clamp of a high-precision high-pressure movable groove side," the publication number CN 108240523A, "sealing special-shaped clamp of a pipeline", the publication number CN 108240522B, "sealing lapping clamp of a pipeline", and the publication number CN 112128508B, "sealing clamp of a high-precision high-pressure movable groove side," the pipeline is provided with the sealing clamps of the above different types, and after long-time running, the pipeline is not provided with corresponding protection measures, and after long-time running, the pipeline is found to be subjected to expansion and contraction creep due to the change of temperature and pressure, and after direct burying, the pipeline with the sealing clamp can greatly increase the resistance of the pipeline during expansion, so that the sealing of the sealing clamp and the physical performance of the pipeline (especially, a nonmetal pipeline) can be affected under the effect of the adverse resistance caused by long-time alternating resistance, and the pipeline can bring two problems; secondly, the pipelines at the two ends of the sealing clamp are not concentric, the pipelines can be contused when the pipelines stretch and creep, particularly, the problems of the pipelines which are connected by applying the technology without fire are particularly obvious, the service life of the repaired pipelines is greatly influenced, and therefore the pipeline protection technology with the sealing clamp needs to be developed to eliminate the influences.
Disclosure of Invention
The invention provides a pipeline sealing clamp protecting support, which overcomes the defects of the prior art and can effectively solve the problem that the pipeline is damaged after the existing sealing clamp is directly buried.
The technical scheme of the invention is realized by the following measures: a pipeline sealing clamp protection support comprises a sealing clamp, a protection box, a front sliding support ring and a rear sliding support ring, wherein the sealing clamp comprises a left sealing jacket and a right sealing jacket, the left sealing jacket comprises a connecting lug plate and a jacket body with a right semi-cylindrical opening, the outer sides of the upper end and the lower end of the jacket body are respectively provided with a connecting lug plate with a bolt hole, the right sealing jacket and the left sealing jacket have the same structure and are arranged in a bilateral symmetry manner, and the left sealing jacket and the right sealing jacket are buckled and then connected together through a bolt; the protection box is arranged on the outer side of the sealing clamp, a sliding groove which is arranged in the front-back direction is arranged on the inner side of the protection box corresponding to the position of the connecting lug plate, the connecting lug plate is positioned in the sliding groove corresponding to the position, the protection box comprises a left protection jacket and a right protection jacket, the left protection jacket comprises a fixed lug plate and a protection jacket body which is in a shape of a right semi-cylinder with a right opening, the outer sides of the upper end and the lower end of the right side of the protection jacket body are respectively provided with the fixed lug plate with a bolt hole, the right protection jacket and the left protection jacket are identical in structure and are arranged in a bilateral symmetry manner, and the left protection jacket and the right protection jacket are connected together through bolts after being buckled; the inboard front end that is equipped with of guard box supports the ring platform before, and the inboard back that is equipped with of guard box rear end is equipped with the back support ring platform, corresponds to be equipped with at least one preceding slip support ring in the guard box between preceding support ring platform and the sealing fixture, corresponds to be equipped with only at least one back slip support ring in the guard box between back support ring platform and the sealing fixture.
The following is further optimization or/and improvement of the technical scheme of the invention:
the front sliding support ring comprises an upper half ring body, a lower half ring body and a fastening pin, wherein a first mounting groove is formed in the rear side of the lower end of the left part of the upper half ring body, a first mounting block positioned in the first mounting groove is arranged on the rear side of the upper end of the left part of the lower half ring body, a second mounting groove is formed in the front side of the lower end of the right part of the upper half ring body, a second mounting block positioned in the second mounting groove is arranged on the front side of the upper end of the right part of the lower half ring body, the lower end of the left part of the upper half ring body and the upper end of the left part of the lower half ring body are fixedly mounted together through the fastening pin, and the lower end of the right part of the upper half ring body and the upper end of the right part of the lower half ring body are fixedly mounted together through the fastening pin; the rear sliding support ring and the front sliding support ring have the same structure and are symmetrically arranged in the front and the back.
The front fixing sliding sleeve and the rear fixing sliding sleeve can be further included, the front fixing sliding sleeve with the front end located in front of the front fixing sliding sleeve is arranged on the inner side of the front end of the protection box, the front sliding support ring is arranged on the outer side of the rear portion of the front fixing sliding sleeve located in the protection box, the rear fixing sliding sleeve with the rear end located behind the rear fixing sliding sleeve is arranged on the inner side of the rear end of the protection box, and the rear sliding support ring is arranged on the outer side of the front portion of the rear fixing sliding sleeve located in the protection box.
The front side of the front sliding support ring can be fixedly arranged with the rear side of the front support ring platform, and the rear side of the rear sliding support ring is fixedly arranged with the front side of the rear support ring platform.
The front fixed sliding sleeve can comprise an upper half cylinder body, a lower half cylinder body and fixed pins, wherein a first assembly groove is formed in the inner side of the lower end of the left part of the upper half cylinder body, a second assembly groove is formed in the outer side of the lower end of the right part of the upper half cylinder body, a third assembly groove is formed in the outer side of the upper end of the left part of the lower half cylinder body, a fourth assembly groove is formed in the inner side of the upper end of the right part of the lower half cylinder body, the lower end of the left part of the upper half cylinder body is located in the third assembly groove, the upper end of the right part of the lower half cylinder body is located in the second assembly groove, the lower end of the left part of the upper half cylinder body and the upper end of the left part of the lower half cylinder body are fixedly installed together through a plurality of fixed pins arranged at intervals from front to back, and the lower end of the right part of the upper half cylinder body is fixedly installed together through a plurality of fixed pins arranged at intervals from front to back; the rear fixed sliding sleeve and the front fixed sliding sleeve are the same in structure and are symmetrically arranged in the front and the back.
The front fixing sliding sleeve is arranged at the front side of the protection box, the front end of the front fixing sliding sleeve is fixedly arranged on the front side of the front fixing sliding sleeve, and the front end of the front fixing sliding sleeve is fixedly arranged on the front side of the protection box; the outside of the rear fixed sliding sleeve corresponding to the rear position of the protective box is provided with a rear wrinkle telescopic sleeve, the inner side of the rear end of the rear wrinkle telescopic sleeve is fixedly installed with the outer side of the rear part of the rear fixed sliding sleeve, and the front end of the rear wrinkle telescopic sleeve is fixedly installed with the rear side of the protective box.
The sealing fixture can also comprise movable groove edges, the front end and the rear end of the inner wall of the jacket body are respectively provided with an inner ring platform, the inner wall of each inner ring platform can be detachably provided with two semicircular movable groove edges made of brass materials and used for being in sealing fit with the outer wall of the pipeline, the two movable groove edges are arranged at intervals along the axial direction of the inner ring platform, an adhesive injection groove used for storing sealant is formed between the two movable groove edges, and a plurality of adhesive injection holes leading to the outer wall of the jacket body are arranged on the inner ring platform corresponding to the position of each adhesive injection groove at intervals along the circumferential direction; the movable groove edge comprises a semicircular annular sealing part, a positioning ring table matched with the positioning ring groove is arranged on the outer side wall of the sealing part, and the positioning ring table is clamped in the positioning ring groove.
The pipeline anti-bruising device is reasonable and compact in structure and convenient to use, and by arranging the protection box and the sliding groove, the sealing clamp can be kept to move in the sliding groove when the sealing clamp slides due to the fact that the pipeline stretches and creeps, and pipeline bruising caused by the fact that the pipeline and the sealing clamp are not concentric is avoided; the protection box is arranged to protect the sealing clamp, so that the current situation that the sealing clamp attached to the pipeline lacks corresponding protection measures is effectively solved; through setting up preceding slip support ring and back slip support ring, realize the supporting role to the guard box inner chamber to and play the concentric effect of rightting of pipeline and sealing fixture, have stably, reliable and protect effectual characteristics.
Drawings
Fig. 1 is a right-view structural diagram of embodiments 1 to 5 of the present invention.
Fig. 2 is a schematic perspective view of the front sliding support ring shown in fig. 1.
Fig. 3 is a schematic perspective view of the front fixed sliding sleeve in fig. 1.
Fig. 4 is a schematic front view of the sealing jacket shown in fig. 1.
Fig. 5 is a top cross-sectional structural view of fig. 4.
Fig. 6 is a schematic perspective view of the left sealing jacket of fig. 4.
Fig. 7 is a schematic perspective view of the movable slot edge shown in fig. 4.
Fig. 8 is a schematic perspective view of embodiment 6 of the present invention.
Fig. 9 is a schematic perspective view of embodiment 7 of the present invention.
Fig. 10 is a schematic perspective view of embodiment 7 of the present invention.
Fig. 11 is a schematic perspective view of embodiments 1 to 5 of the present invention.
The codes in the figures are respectively: the structure comprises a jacket body 1, an inner ring platform 2, a glue injection groove 3, a glue injection hole 4, a connecting lug plate 5, a bolt 6, a positioning ring groove 7, a sealing part 8, a positioning ring platform 9, a bolt hole 10, a protective sleeve body 11, a fixing lug plate 12, a front support ring platform 13, a rear support ring platform 14, a sliding groove 15, an upper half ring body 16, a lower half ring body 17, a fastening pin 18, an upper half cylinder body 19, a lower half cylinder body 20, a fixing pin 21, a front corrugation telescopic sleeve 22, a rear corrugation telescopic sleeve 23, a rear sliding support ring 24, a rear fixing sliding sleeve 25 and a pipeline 26.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
example 1: as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 11, the pipeline sealing clamp protection support comprises a sealing clamp, a protection box, a front sliding support ring and a rear sliding support ring 24, the sealing clamp comprises a left sealing jacket and a right sealing jacket, the left sealing jacket comprises a connecting lug plate 5 and a jacket body 1 with an opening facing to the right semi-cylinder, the outer sides of the upper end and the lower end of the jacket body 1 are respectively provided with a connecting lug plate 5 with a bolt hole 10, the right sealing jacket and the left sealing jacket have the same structure and are arranged in bilateral symmetry, and the left sealing jacket and the right sealing jacket are buckled and then connected together through a bolt 6; a protection box is arranged on the outer side of the sealing clamp, a sliding groove 15 which is arranged in the front-back direction is arranged on the inner side of the protection box corresponding to the position of the connecting lug plate 5, the connecting lug plate 5 is positioned in the sliding groove 15 corresponding to the position, the protection box comprises a left protection jacket and a right protection jacket, the left protection jacket comprises a fixed lug plate 12 and a protection jacket body 11 which is in a right semi-cylindrical shape with a right opening, the outer sides of the upper end and the lower end of the right side of the protection jacket body 11 are respectively provided with a fixed lug plate 12 provided with a bolt hole 10, the right protection jacket and the left protection jacket are in the same structure and are arranged in a bilateral symmetry manner, and the left protection jacket and the right protection jacket are buckled and then connected together through a bolt 6; the inboard front end that is equipped with of guard box is preceding support ring platform 13, and the inboard back support ring platform 14 that is equipped with of guard box rear end is equipped with at least one preceding slip support ring in the guard box that corresponds the position between preceding support ring platform 13 and the sealing fixture, and the guard box that corresponds the position between back support ring platform 14 and the sealing fixture is equipped with only at least one back slip support ring 24. In the use process, when the pipeline 26 is buried and the pipeline 26 stretches and creeps, the pipeline 26 and the sealing clamp creep in the protective box, and the protective box is kept still, so that the resistance of the pipeline 26 with the sealing clamp during stretching and retracting is not increased obviously; when the sealing clamp slides due to the telescopic creeping of the pipeline 26, the sealing clamp can be kept to move in the sliding groove 15, and the pipeline 26 and the sealing clamp are prevented from moving in a staggered manner and are not concentric to cause the pipeline 26 to be contused; the sealing clamp is protected by arranging the protection box, so that the current situation that the sealing clamp attached to the pipeline 26 lacks corresponding protection measures is effectively solved; the arrangement of the front sliding support ring and the rear sliding support ring 24 realizes the supporting function of the inner cavity of the protection box and the concentric centralizing function of the pipeline 26 and the sealing fixture. According to requirements, the sealing fixture adopted in the embodiment is not limited to be used in the prior art of "CN 105605364B", "CN 108240524B", "CN 108240522B" and "CN 112128508B", etc., but can also be used in the prior art of other same or similar structures, such as "CN 213420305U", "CN215721675U" and "CN203131318U", etc.
The pipeline sealing clamp protective support can be further optimized or/and improved according to actual needs:
example 2: as shown in fig. 2, the front sliding support ring comprises an upper half ring body 16, a lower half ring body 17 and a fastening pin 18, wherein a first installation groove is arranged on the rear side of the lower end of the left part of the upper half ring body 16, a first installation block positioned in the first installation groove is arranged on the rear side of the upper end of the left part of the lower half ring body 17, a second installation groove is arranged on the front side of the lower end of the right part of the upper half ring body 16, a second installation block positioned in the second installation groove is arranged on the front side of the upper end of the right part of the lower half ring body 17, the lower end of the left part of the upper half ring body 16 and the upper end of the left part of the lower half ring body 17 are fixedly installed together through the fastening pin 18, and the lower end of the right part of the upper half ring body 16 and the upper end of the right part of the lower half ring body 17 are fixedly installed together through the fastening pin 18; the rear sliding support ring 24 has the same structure as the front sliding support ring and is arranged symmetrically in the front and rear direction. In use, with such an arrangement, it is convenient to install outside the pipeline 26, or outside the front and rear fixed slips 25.
Example 3: as shown in fig. 1 and 3, the front fixing sliding sleeve and the rear fixing sliding sleeve 25 are further included, the front fixing sliding sleeve with the front end located in front of the protection box is arranged on the inner side of the front end of the protection box, the front sliding support ring is arranged on the outer side of the rear end of the front fixing sliding sleeve in the protection box, the rear fixing sliding sleeve 25 with the rear end located behind the protection box is arranged on the inner side of the rear end of the protection box, and the rear sliding support ring 24 is arranged on the outer side of the front part of the rear fixing sliding sleeve 25 in the protection box. In the use process, the front fixing sliding sleeve and the rear fixing sliding sleeve 25 are arranged, so that the end part of the protection box can be prevented from being in direct contact with the pipeline 26, and the pipeline 26 can be prevented from being contused; it also serves to centralize the line 26 and the sealing fixture concentrically.
Example 4: as shown in fig. 3, the front fixing sliding sleeve includes an upper half cylinder 19, a lower half cylinder 20 and fixing pins 21, a first assembling groove is arranged on the inner side of the lower end of the left part of the upper half cylinder 19, a second assembling groove is arranged on the outer side of the lower end of the right part of the upper half cylinder 19, a third assembling groove is arranged on the outer side of the upper end of the left part of the lower half cylinder 20, a fourth assembling groove is arranged on the inner side of the upper end of the right part of the lower half cylinder 20, the lower end of the left part of the upper half cylinder 19 is located in the third assembling groove, the upper end of the right part of the lower half cylinder 20 is located in the second assembling groove, the lower end of the left part of the upper half cylinder 19 and the upper end of the left part of the lower half cylinder 20 are fixedly installed together through a plurality of fixing pins 21 arranged at intervals from front to back, and the lower end of the right part of the upper half cylinder 19 and the upper end of the lower half cylinder 20 are fixedly installed together through a plurality of fixing pins 21 arranged at intervals from front to back; the rear fixed sliding sleeve 25 is the same as the front fixed sliding sleeve in structure and is arranged symmetrically in the front and back. In use, installation outside the pipeline 26 is facilitated by this arrangement.
Example 5: as shown in fig. 4, 5, 6 and 7, the sealing fixture further comprises movable groove edges, inner ring platforms 2 are respectively arranged at the front end and the rear end of the inner wall of the jacket body 1, two semicircular movable groove edges made of brass materials and used for being in sealing fit with the outer wall of the pipeline are detachably arranged on the inner wall of each inner ring platform 2, the two movable groove edges are arranged at intervals along the axial direction of the inner ring platform 2, a glue injection groove 3 used for storing sealant is formed between the two movable groove edges, and a plurality of glue injection holes 4 leading to the outer wall of the jacket body 1 are arranged on the inner ring platform 2 corresponding to the position of each glue injection groove 3 at intervals along the circumferential direction; the movable groove edge comprises a semicircular annular sealing part 8, a positioning ring platform 9 matched with the positioning ring groove 7 is arranged on the outer side wall of the sealing part 8, and the positioning ring platform 9 is clamped in the positioning ring groove 7. In the using process, the surface of the damaged pipe section is cleaned firstly, then the bolt 6 on the high-precision high-pressure movable groove edge fixture is detached, the left sealing jacket and the right sealing jacket are buckled on the outer wall of the damaged pipe section respectively, so that a leakage point is positioned between the inner ring platforms 2 at the front end and the rear end, then the bolt 6 is installed to fixedly connect the left sealing jacket and the right sealing jacket together to clamp the pipe section, the movable groove edge is deformed through the clamping force so that the damaged pipe section is sealed in the high-precision high-pressure movable groove edge fixture, glue is injected into the glue injection groove 3 through the glue injection hole 4, and the injection sequence is that the glue is injected from far to near along the leakage point in sequence through the glue injection hole 4; in addition, because the brass is soft and can bear high temperature, the movable groove edge made of brass can deform and is tightly attached to the outer wall of the pipe end when the movable groove edge is subjected to the clamping force of the left sealing jacket and the right sealing jacket, so that the aim of sealing is fulfilled; the movable groove edge is connected with the inner ring platform 2 in a way of matching and installing the positioning ring platform 9 and the positioning ring groove 7, so that the rapid installation and replacement are convenient to realize, and the operation time is shortened; the left sealing jacket and the right sealing jacket are both made of 45# carbon steel, the physical property of the 45# carbon steel after heat treatment is superior to that of Q235 common carbon steel, and the left sealing jacket and the right sealing jacket are both made of 45# carbon steel, so that the left sealing jacket and the right sealing jacket can bear higher pressure during glue injection and are not easy to deform. The movable groove edge is made of brass, and is deformed under the clamping force action of the left sealing jacket and the right sealing jacket, so that the movable groove edge can be better attached to the outer wall of a pipeline, and the phenomena of glue leakage and glue leakage caused by the fact that sealant flows out from a gap between a sealing clamp and the wall of the pipeline in the glue injection process or after the glue injection is finished are prevented; two movable groove edges are respectively arranged at the front end and the rear end of the sealing clamp, the movable groove edges are parallel to each other to form a glue injection groove 3, glue is injected into the glue injection groove 3, double-layer sealing can be formed at each end, the sealing and leakage plugging effects are better, and the using amount of sealing glue is reduced; the movable groove edge adopts a detachable installation mode, so that the interchangeability of the invention is enhanced.
Example 6: as shown in fig. 8, the protective case further comprises a front folding telescopic sleeve 22 and a rear folding telescopic sleeve 23, the front folding telescopic sleeve 22 is arranged on the outer side of the front fixed sliding sleeve corresponding to the front position of the protective case, the inner side of the front end of the front folding telescopic sleeve 22 is fixedly installed with the outer side of the front part of the front fixed sliding sleeve, and the rear end of the front folding telescopic sleeve 22 is fixedly installed with the front side of the protective case; the outer side of the rear fixed sliding sleeve 25 corresponding to the rear position of the protective box is provided with a rear fold telescopic sleeve 23, the inner side of the rear end of the rear fold telescopic sleeve 23 is fixedly installed with the outer side of the rear part of the rear fixed sliding sleeve 25, and the front end of the rear fold telescopic sleeve 23 is fixedly installed with the rear side of the protective box. In the use process, the front folding telescopic sleeve 22 and the rear folding telescopic sleeve 23 are arranged, so that the protection box can be buffered when sliding relative to the front fixed sliding sleeve and the rear fixed sliding sleeve 25.
Example 7: as shown in fig. 1, 9, 10 and 11, the front side of the front sliding support ring is fixedly mounted with the rear side of the front support ring table 13, and the rear side of the rear sliding support ring 24 is fixedly mounted with the front side of the rear support ring table 14. In the use process, through the mode of such fixed connection, realize unilateral slip, when preceding slip support ring and back slip support ring 24 play the supporting role, guarantee that preceding slip support ring, back slip support ring 24 and guard box slide for preceding fixed sliding sleeve and back fixed sliding sleeve 25, avoid preceding slip support ring and back slip support ring 24 to slide for the guard box, satisfy different pipeline 26 construction environments.
Example 8: taking the glass fiber reinforced plastic pipeline 26 with rated pressure of 5.5MPa, inner diameter of 200mm and outer diameter of 214mm as an example, which is connected by using a sealing clamp with length of 400mm and thickness of 30mm for the fireless pipeline 26,
the method comprises the following steps: installing a front fixed sliding sleeve and a rear fixed sliding sleeve 25 which are 5mm in thickness, 800mm in length and 214mm in inner diameter on a pipeline 26, wherein the front fixed sliding sleeve and the rear fixed sliding sleeve 25 are composed of an upper half cylinder 19 and a lower half cylinder 20 (shown in figure 3) and are respectively attached to the front and the rear of a sealing clamp;
step two: respectively installing a group of front sliding support ring and rear sliding support ring 24 at one end of the front fixed sliding sleeve and the rear fixed sliding sleeve 25 close to the sealing fixture and 200mm away from the sealing fixture, wherein the inner diameter of the front sliding support ring and the rear sliding support ring 24 (shown in figure 2) is 214+10+3=227mm, the outer diameter is 274-3=271mm, the residual h is 3mm, and the residual h is = (outer diameter-inner diameter)/2;
step three: wrapping the pipeline 26 with the sealing fixture and the sliding support in a protection box with the length of 1200mm, wherein the sealing fixture is positioned in the middle of the tubular protection box, the inner diameter of the tubular protection box is 275mm, and the thickness of the tubular protection box is 20mm;
step four: the outer sides of the other group of front sliding support ring and the rear sliding support ring 24 are respectively installed with the protection box into a whole, so that the inner sides of the front sliding support ring and the rear sliding support ring can be in contact with the pipeline 26 and can slide relatively, the inner diameter R of the front sliding support ring and the rear sliding support ring is 214+10+3=227mm, the width of the front sliding support ring and the rear sliding support ring is 20-30mm, and the outer diameter of the front sliding support ring and the rear sliding support ring is 275mm;
step five: finally, a front bellows 22 and a rear bellows 23 are respectively mounted at the junction of the protective box and the pipeline 26 (as shown in fig. 8);
step six: the length of the base is 1200mm, the width of the base is 60mm, the thickness of the base is 60mm, and the base and the tubular protection box are connected into a whole and are arranged at the lower part of the tubular protection box.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. A pipeline sealing clamp protection support is characterized by comprising a sealing clamp, a protection box, a front sliding support ring and a rear sliding support ring, wherein the sealing clamp comprises a left sealing jacket and a right sealing jacket, the left sealing jacket comprises a connecting lug plate and a jacket body with a right semi-cylindrical opening, the outer sides of the upper end and the lower end of the jacket body are respectively provided with the connecting lug plate with a bolt hole, the right sealing jacket and the left sealing jacket are identical in structure and are arranged in bilateral symmetry, and the left sealing jacket and the right sealing jacket are buckled and then connected together through a bolt; the protection box is arranged on the outer side of the sealing clamp, a sliding groove which is arranged in the front-back direction is arranged on the inner side of the protection box corresponding to the position of the connecting lug plate, the connecting lug plate is positioned in the sliding groove corresponding to the position, the protection box comprises a left protection jacket and a right protection jacket, the left protection jacket comprises a fixed lug plate and a protection jacket body which is in a shape of a right semi-cylinder with a right opening, the outer sides of the upper end and the lower end of the right side of the protection jacket body are respectively provided with the fixed lug plate with a bolt hole, the right protection jacket and the left protection jacket are identical in structure and are arranged in a bilateral symmetry manner, and the left protection jacket and the right protection jacket are connected together through bolts after being buckled; the inner side of the front end of the protection box is provided with a front supporting ring platform, the inner side of the rear end of the protection box is provided with a rear supporting ring platform, at least one front sliding supporting ring is arranged in the protection box corresponding to the position between the front supporting ring platform and the sealing clamp, and only at least one rear sliding supporting ring is arranged in the protection box corresponding to the position between the rear supporting ring platform and the sealing clamp.
2. The pipe sealing clamp protecting support according to claim 1, wherein the front sliding support ring comprises an upper half ring body, a lower half ring body and a fastening pin, a first mounting groove is formed in the rear side of the lower end of the left part of the upper half ring body, a first mounting block positioned in the first mounting groove is arranged in the rear side of the upper end of the left part of the lower half ring body, a second mounting groove is formed in the front side of the lower end of the right part of the upper half ring body, a second mounting block positioned in the second mounting groove is arranged in the front side of the upper end of the right part of the lower half ring body, the lower end of the left part of the upper half ring body and the upper end of the left part of the lower half ring body are fixedly mounted together through the fastening pin, and the lower end of the right part of the upper half ring body and the upper end of the right part of the lower half ring body are fixedly mounted together through the fastening pin; the rear sliding support ring and the front sliding support ring have the same structure and are symmetrically arranged in the front and the back.
3. The pipeline sealing clamp protecting support according to claim 1 or 2, further comprising a front fixing sliding sleeve and a rear fixing sliding sleeve, wherein the front fixing sliding sleeve with the front end located in front of the front fixing sliding sleeve is arranged inside the front end of the protecting box, the rear part of the front fixing sliding sleeve is located in the protecting box, the outer side of the front fixing sliding sleeve is provided with a front sliding support ring, the rear fixing sliding sleeve with the rear end located behind the rear fixing sliding sleeve is arranged inside the rear end of the protecting box, the front part of the rear fixing sliding sleeve is located in the protecting box, and the outer side of the rear fixing sliding sleeve is provided with a rear sliding support ring.
4. The line sealing clamp protection mount of claim 1 or 2, wherein the front side of the front sliding support ring is fixedly attached to the rear side of the front support ring platform and the rear side of the rear sliding support ring is fixedly attached to the front side of the rear support ring platform.
5. The line sealing clamp protective bracket of claim 3, wherein the front side of the front sliding support ring is fixedly attached to the rear side of the front support ring platform, and the rear side of the rear sliding support ring is fixedly attached to the front side of the rear support ring platform.
6. The pipeline sealing fixture protecting support according to claim 3, wherein the front fixing sliding sleeve comprises an upper half cylinder, a lower half cylinder and fixing pins, a first assembling groove is formed in the inner side of the lower end of the left part of the upper half cylinder, a second assembling groove is formed in the outer side of the lower end of the right part of the upper half cylinder, a third assembling groove is formed in the outer side of the upper end of the left part of the lower half cylinder, a fourth assembling groove is formed in the inner side of the upper end of the right part of the lower half cylinder, the lower end of the left part of the upper half cylinder is located in the third assembling groove, the upper end of the right part of the lower half cylinder is located in the second assembling groove, the lower end of the left part of the upper half cylinder and the upper end of the left part of the lower half cylinder are fixedly installed together through a plurality of fixing pins arranged at intervals from front to back, and the lower end of the right part of the upper half cylinder and the upper end of the lower half cylinder are fixedly installed together through a plurality of fixing pins arranged at intervals from front to back; the rear fixed sliding sleeve and the front fixed sliding sleeve are the same in structure and are symmetrically arranged in the front and the back.
7. The pipeline sealing clamp protecting support according to claim 3, further comprising a front corrugated telescopic sleeve and a rear corrugated telescopic sleeve, wherein the front corrugated telescopic sleeve is arranged on the outer side of the front fixing sliding sleeve corresponding to the front side of the protecting box, the inner side of the front end of the front corrugated telescopic sleeve is fixedly installed with the outer side of the front part of the front fixing sliding sleeve, and the rear end of the front corrugated telescopic sleeve is fixedly installed with the front side of the protecting box; the outer side of the rear fixed sliding sleeve corresponding to the rear position of the protective box is provided with a rear wrinkle telescopic sleeve, the inner side of the rear end of the rear wrinkle telescopic sleeve is fixedly installed together with the outer side of the rear part of the rear fixed sliding sleeve, and the front end of the rear wrinkle telescopic sleeve is fixedly installed together with the rear side of the protective box.
8. The pipeline sealing clamp protecting support according to claim 6, further comprising a front corrugated telescopic sleeve and a rear corrugated telescopic sleeve, wherein the front corrugated telescopic sleeve is arranged on the outer side of the front fixing sliding sleeve corresponding to the front side of the protecting box, the inner side of the front end of the front corrugated telescopic sleeve is fixedly installed with the outer side of the front part of the front fixing sliding sleeve, and the rear end of the front corrugated telescopic sleeve is fixedly installed with the front side of the protecting box; the outside of the rear fixed sliding sleeve corresponding to the rear position of the protective box is provided with a rear wrinkle telescopic sleeve, the inner side of the rear end of the rear wrinkle telescopic sleeve is fixedly installed with the outer side of the rear part of the rear fixed sliding sleeve, and the front end of the rear wrinkle telescopic sleeve is fixedly installed with the rear side of the protective box.
9. The pipeline sealing clamp protecting support according to claim 1, 2, 5, 6, 7 or 8, wherein the sealing clamp further comprises movable groove edges, inner ring platforms are respectively arranged at the front end and the rear end of the inner wall of the jacket body, two semicircular movable groove edges made of brass materials and used for being in sealing fit with the outer wall of the pipeline are detachably arranged on the inner wall of each inner ring platform, the two movable groove edges are arranged at intervals along the axial direction of the inner ring platforms, glue injection grooves used for storing sealing glue are formed between the two movable groove edges, and a plurality of glue injection holes leading to the outer wall of the jacket body are arranged at intervals along the circumferential direction on the inner ring platform corresponding to the position of each glue injection groove; the movable groove edge comprises a semicircular annular sealing part, a positioning ring table matched with the positioning ring groove is arranged on the outer side wall of the sealing part, and the positioning ring table is clamped in the positioning ring groove.
10. The pipeline sealing clamp protecting support according to claim 3, wherein the sealing clamp further comprises movable groove edges, inner ring platforms are respectively arranged at the front end and the rear end of the inner wall of the jacket body, two semi-circular movable groove edges made of brass materials and used for being in sealing fit with the outer wall of the pipeline are detachably arranged on the inner wall of each inner ring platform, the two movable groove edges are arranged at intervals along the axial direction of the inner ring platforms, a glue injection groove used for storing sealant is formed between the two movable groove edges, and a plurality of glue injection holes leading to the outer wall of the jacket body are arranged on the inner ring platform corresponding to each glue injection groove at intervals along the circumferential direction; the movable groove edge comprises a semicircular annular sealing part, a positioning ring table matched with the positioning ring groove is arranged on the outer side wall of the sealing part, and the positioning ring table is clamped in the positioning ring groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211614024.7A CN115596927B (en) | 2022-12-16 | 2022-12-16 | Pipeline sealing clamp protecting support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211614024.7A CN115596927B (en) | 2022-12-16 | 2022-12-16 | Pipeline sealing clamp protecting support |
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| CN115596927A true CN115596927A (en) | 2023-01-13 |
| CN115596927B CN115596927B (en) | 2023-03-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605357A (en) * | 1995-06-05 | 1997-02-25 | M&Fc Holding Co. | Pipe collar |
| US5711639A (en) * | 1996-02-01 | 1998-01-27 | Emerson & Cuming Composite Materials, Inc. | Clamp for cylindrical object |
| CN204692897U (en) * | 2015-06-02 | 2015-10-07 | 张庆国 | A kind of two-stage closed conduit covering leaks clamping |
| CN108240524A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | Diameter-variable pipeline sealing clamp and pipeline maintenance method |
| CN112128508A (en) * | 2020-09-10 | 2020-12-25 | 克拉玛依红山油田有限责任公司 | High-precision high-pressure movable groove edge clamp and using method thereof |
| CN114215996A (en) * | 2022-01-15 | 2022-03-22 | 玉溪新兴钢铁有限公司 | Water pipe leaking stoppage and leakage prevention device |
| CN216479591U (en) * | 2021-11-03 | 2022-05-10 | 于淳蛟 | Compression-resistant structure of school district underground pipeline |
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2022
- 2022-12-16 CN CN202211614024.7A patent/CN115596927B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605357A (en) * | 1995-06-05 | 1997-02-25 | M&Fc Holding Co. | Pipe collar |
| US5711639A (en) * | 1996-02-01 | 1998-01-27 | Emerson & Cuming Composite Materials, Inc. | Clamp for cylindrical object |
| CN204692897U (en) * | 2015-06-02 | 2015-10-07 | 张庆国 | A kind of two-stage closed conduit covering leaks clamping |
| CN108240524A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | Diameter-variable pipeline sealing clamp and pipeline maintenance method |
| CN112128508A (en) * | 2020-09-10 | 2020-12-25 | 克拉玛依红山油田有限责任公司 | High-precision high-pressure movable groove edge clamp and using method thereof |
| CN216479591U (en) * | 2021-11-03 | 2022-05-10 | 于淳蛟 | Compression-resistant structure of school district underground pipeline |
| CN114215996A (en) * | 2022-01-15 | 2022-03-22 | 玉溪新兴钢铁有限公司 | Water pipe leaking stoppage and leakage prevention device |
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| CN115596927B (en) | 2023-03-21 |
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