CN116928475A - Boiler transportation pipeline connecting device - Google Patents
Boiler transportation pipeline connecting device Download PDFInfo
- Publication number
- CN116928475A CN116928475A CN202311167907.2A CN202311167907A CN116928475A CN 116928475 A CN116928475 A CN 116928475A CN 202311167907 A CN202311167907 A CN 202311167907A CN 116928475 A CN116928475 A CN 116928475A
- Authority
- CN
- China
- Prior art keywords
- mounting
- sealing
- ring
- extrusion
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 149
- 238000001125 extrusion Methods 0.000 claims description 75
- 238000009434 installation Methods 0.000 claims description 39
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000005574 cross-species transmission Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F16L29/00—Joints with fluid cut-off means
- F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of gas transportation, in particular to a boiler transportation pipeline connecting device, which comprises a mounting unit, a connecting device and a connecting device, wherein the mounting unit comprises a mounting pipe, a vent pipe arranged in the mounting pipe, and two air inlets arranged on the vent pipe; the switch unit comprises a sealing seat arranged on the inner wall of the vent pipe and a sealing assembly which is propped against the sealing seat for sealing; the fixing unit comprises fixing components which are arranged at two ends of the mounting pipe in a threaded mode and driving components which are arranged on the fixing components in a rotating mode. This boiler transportation pipeline connecting device, when transportation pipeline takes place to leak, through retrieving fixed subassembly and pipeline break away from, simultaneously when fixed subassembly is retrieved, drive assembly drives seal assembly and sealing seat and offsets sealedly, cuts off the passageway of inlet end and outlet end, can avoid the gas in the pipeline to spill over.
Description
Technical Field
The invention relates to the technical field of gas transportation, in particular to a boiler transportation pipeline connecting device.
Background
The boiler pipeline is usually used for conveying fuel gas (such as natural gas, liquefied petroleum gas and the like) or liquid (such as hot water, hot oil and the like), and the existing connection mode between the boiler pipelines is to fix two transportation pipelines through flanges. The invention provides a boiler transportation pipeline connecting device.
Disclosure of Invention
The present invention has been made in view of the above problems occurring when the conventional boiler transport pipes are leaked.
It is therefore an object of the present invention to provide a connection device between boiler transport pipes which directly interrupts the passage between the transport pipes in case of leakage, avoiding continuous leakage.
In order to solve the technical problems, the invention provides the following technical scheme: the boiler transportation pipeline connecting device comprises a mounting unit, a connecting device and a connecting device, wherein the mounting unit comprises a mounting pipe, a vent pipe arranged in the mounting pipe, a partition plate arranged between the vent pipe and the mounting pipe, and two air inlet holes arranged on the vent pipe; the two ends of the mounting pipe are separated into an air inlet end and an air outlet end by the partition plate, the two air inlet holes are respectively communicated with the air inlet end and the air outlet end, and the two air inlet holes are staggered; the switch unit comprises a sealing seat arranged on the inner wall of the vent pipe, a mounting cover arranged at the top end of the mounting pipe and a sealing assembly arranged in the mounting cover; the sealing seat is positioned between the two air inlet holes, the mounting cover is communicated with the vent pipe, and the sealing assembly is abutted against the sealing seat for sealing; the fixing unit comprises fixing components which are arranged at two ends of the mounting pipe in a threaded mode, and driving components which are arranged on the fixing components in a rotating mode, wherein the driving components are inserted into the mounting cover in a sliding mode, and the driving components are matched with the sealing components;
the sealing assembly comprises a mounting cylinder arranged at the top of the mounting cover, a connecting column elastically arranged in the mounting cylinder, a sealing plate fixedly arranged at the bottom end of the connecting column, a mounting ring arranged on the mounting cylinder in a sliding manner, a connecting rod arranged between the mounting ring and the sealing plate, and a connecting rope arranged on the mounting ring; the sealing plate is abutted against the sealing seat for sealing, and the connecting rope is fixedly connected with the two driving assemblies.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the driving assembly comprises a limiting ring arranged in the fixing assembly in a sliding manner, a sliding rod fixedly arranged on the limiting ring and an arc-shaped frame arranged at the end part of the sliding rod; the sliding rod is inserted in the mounting cover in a sliding manner; the connecting rope passes through the arc-shaped frame close to the air outlet end in a sliding manner and is fixedly connected with the arc-shaped frame close to the air inlet end; the arc-shaped frame positioned at the air inlet end is higher than the arc-shaped frame positioned at the air outlet end.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the extrusion assembly is matched with the sliding rod close to the air outlet end; the extrusion assembly comprises an installation block fixedly arranged on the installation cylinder, an extrusion plate hinged on the installation block, and an extrusion column elastically arranged on the installation block; the end part of the extrusion plate is propped against the sealing plate, and the extrusion column is matched with the extrusion plate and the sliding rod; the sliding rod is provided with an extrusion block matched with the top end of the extrusion column, the contact surface between the top end of the extrusion column and the extrusion block is an inclined surface, and the contact surface between the bottom end of the extrusion column and the extrusion plate is an inclined surface; the mounting ring is located above the mounting block, and the connecting rod slides through the mounting block.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the sliding rod close to the air outlet end comprises a mounting head for mounting the extrusion block and the arc-shaped frame, a rod body in sliding connection with the mounting cover, and a connecting piece elastically arranged in the rod body; the connecting piece is fixedly connected with the mounting head; the bottom end of the extrusion block is provided with a clamping groove matched with the top end of the extrusion column; the top end of the extrusion column is provided with a splicing protruding block matched with the clamping groove.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the connecting rope is provided with two strands; two guide rings are fixedly arranged on the mounting cylinder, and two connecting ropes and two guide rings are respectively positioned on two sides of the mounting cylinder; the two connecting ropes respectively penetrate through the two guide rings and then are connected with the two arc-shaped frames.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the top end of the mounting cylinder is provided with a U-shaped frame which is fixedly connected with the mounting cover, and two sides of the U-shaped frame, which are close to the air outlet end, are provided with arc grooves; the connecting rope passes through the guide ring, the arc-shaped groove, the arc-shaped frame close to the air outlet end and the middle of the U-shaped frame in a sliding manner and is fixedly connected with the arc-shaped frame close to the air inlet end.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the fixing assembly comprises a threaded ring in threaded connection with the mounting pipe, a connecting part arranged at the end part of the threaded ring, and a sealing part arranged at the end part of the threaded ring and the mounting pipe; the cross section of the threaded ring is L-shaped.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the sealing part comprises a sealing ring arranged at the end part of the installation tube and an extrusion ring arranged at the inner side end part of the threaded ring, and the extrusion ring is in extrusion sealing with the sealing ring.
As a preferred embodiment of the boiler transportation pipeline connecting device according to the present invention, wherein: the connecting part comprises a connecting ring arranged at the end part of the threaded ring and a sealing tube arranged at the inner side of the connecting ring.
The invention has the beneficial effects that: when the transportation pipeline leaks, the fixing assembly is retracted to be separated from the pipeline, and meanwhile, when the fixing assembly is retracted, the driving assembly drives the sealing assembly to abut against the sealing seat for sealing, so that the channels of the air inlet end and the air outlet end are separated, and gas in the pipeline can be prevented from overflowing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the overall structure of the boiler transportation pipeline connecting device of the present invention.
FIG. 2 is a schematic view showing a sectional structure of the boiler transportation pipeline connecting device of the present invention.
FIG. 3 is a schematic view of the structure of the partition plate of the boiler transportation pipeline connecting device of the present invention.
FIG. 4 is a schematic view of the sealing assembly structure of the boiler transportation pipeline connecting device of the present invention.
FIG. 5 is a schematic view of the driving assembly structure of the boiler transportation pipeline connecting device of the present invention.
FIG. 6 is a schematic view showing the structure of the extrusion assembly of the boiler transportation pipeline connecting device of the present invention.
FIG. 7 is a schematic view of the sliding rod structure of the boiler transportation pipeline connecting device of the present invention.
In the figure: 100. an installation unit; 101. installing a pipe; 102. a vent pipe; 103. a partition plate; 104. an air inlet hole; a. an air inlet end; b. an air outlet end; 200. a switching unit; 201. a sealing seat; 202. a mounting cover; 203. a seal assembly; 300. a fixing unit; 301. a fixing assembly; 302. a drive assembly; 203a, a mounting cylinder; 203b, connecting posts; 203c, a sealing plate; 203d, a mounting ring; 203e, connecting rods; 203f, connecting ropes; 302a, a stop collar; 302b, a slide bar; 302c, an arc-shaped frame; 204. an extrusion assembly; 204a, mounting blocks; 204b, squeeze plates; 204c, extruding the column; 204d, extruding the block; 302b-1, mounting head; 302b-2, rod body; 302b-3, connectors; 204d-1, a clamping groove; 204c-1, plug-in bumps; 203g, guide ring; 203a-1, a U-shaped frame; 203a-2, arcuate slots; 301a, a threaded ring; 301b, a connection portion; 301c, a sealing part; 301c-1, sealing ring; 301c-2, squeeze ring; 301b-1, a connecting ring; 301b-2, sealing the tube.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Embodiment 1 referring to fig. 1 to 4, a boiler transportation pipeline connection device is provided for a first embodiment of the present invention, and the device includes a mounting unit 100, a switching unit 200 and a fixing unit 300.
The installation unit 100 comprises an installation pipe 101 and a vent pipe 102 arranged in the installation pipe 101, wherein the outer wall of the vent pipe 102 is connected with the inner wall of the installation pipe 101 through a partition plate 103, the partition plate 103 divides two ends of the vent pipe 102 into an air inlet end a and an air outlet end b, two air inlet holes 104 are arranged on the vent pipe 102, the two air inlet holes 104 are respectively communicated with the air inlet end a and the air outlet end b, and projections of the two air inlet holes 104 in the horizontal direction are not overlapped.
The gas enters from the air inlet end a, enters the breather pipe 102 through the air inlet hole 104 of the air inlet end a, flows out from the air inlet hole 104 of the air outlet end b, and finally is discharged from the air outlet end b.
The switch unit 200 includes a sealing seat 201 provided on an inner wall of the ventilation pipe 102, a mounting cap 202 provided on a top end of the mounting pipe 101, and a sealing assembly 203 provided inside the mounting cap 202; the seal seat 201 is located between the two air inlet holes 104, the mounting cover 202 is communicated with the ventilation pipe 102, and the seal assembly 203 is sealed against the seal seat 201.
The fixing unit 300 includes fixing members 301 screw-mounted to both ends of the mounting tube 101, and driving members 302 rotatably mounted to the fixing members 301, the driving members 302 being slidably inserted into the mounting cap 202, and the driving members 302 being engaged with the sealing members 203.
The fixing component 301 is used for fixedly connecting the transportation pipeline with the installation pipe 101, the fixing component 301 can be made of a cylinder, the cylinder stretches out or withdraws when rotating along the thread of the installation pipe 101, the driving component 302 can be made of a smooth column inserted into the installation cover 202, one end of the smooth column is inserted into the cylinder in a sliding manner, the cylinder rotates along the smooth column when rotating, and meanwhile the smooth column can be driven to slide along the installation cover 202;
when the transportation pipe leaks, and a new transportation pipe needs to be replaced, the leaked transportation pipe is separated from the installation pipe 101 by retracting the fixing assembly 301 into the installation pipe 101, and the new transportation pipe is replaced after the leaked transportation pipe is disassembled; when the fixing component 301 is retracted, the driving component 302 will move, and the driving component 302 drives the sealing component 203 to work and contact and seal with the sealing seat 201, so as to seal the air inlet channel between the two air inlet holes 104, seal the channel between the air inlet end a and the air outlet end b of the mounting tube 101, and avoid the gas in the rest of the transportation pipeline from overflowing from the mounting tube 101 when the new transportation pipeline is replaced.
Further, the sealing assembly 203 comprises a mounting cylinder 203a, a connecting column 203b, a sealing plate 203c, a mounting ring 203d, a connecting rod 203e and a connecting rope 203f, wherein the mounting cylinder 203a is fixedly arranged at the top of the mounting cover 202, the connecting column 203b is inserted into the mounting cylinder 203a, the top end of the connecting column 203b is connected with the mounting cylinder 203a through a first spring, the connecting column 203b is ejected towards the bottom end of the mounting cylinder 203a by the first spring, the sealing plate 203c is fixedly arranged at the bottom end of the connecting column 203b, the sealing plate 203c abuts against the sealing seat 201 when the connecting column 203b is ejected, the sealing plate 203c and the surface of the sealing seat 201 abut against each other, the mounting ring 203d is slidably arranged on the mounting cylinder 203a, the connecting rod 203e is fixedly arranged between the sealing plate 203c and the mounting ring 203d, and the connecting rope 203f is fixedly arranged between the mounting ring 203d and the two driving assemblies 302;
wherein, when the two driving components 302 extend to two sides along the mounting tube 101 along with the two fixing components 301, the connecting rope 203f is pulled, and when the connecting rope 203f is pulled, the mounting ring 203d is driven to slide upwards along the mounting cylinder 203a, so as to drive the sealing plate 203c to move upwards to separate from the sealing seat 201, opening a channel between the air inlet end a and the air outlet end b, and simultaneously, compressing the first spring when the sealing plate 203c moves upwards; when one of the fixing assemblies 301 is in the extended state and the other fixing assembly 301 is in the retracted state, the sealing plate 203c is in contact with the sealing seat 201.
The use process is, when the transportation pipeline leaks, withdraw the fixed subassembly 301 that is connected with the transportation pipeline that leaks on the installation tube 101 at transportation pipeline both ends that leaks for the transportation pipeline that leaks separates with the installation tube 101 at both ends, all has a fixed subassembly 301 to be in the state of retrieving on the installation tube 101 of both sides this moment, and the inside closing plate 203c of installation tube 101 offsets sealedly with sealing seat 201, can close the passageway of the inside of installation tube 101 at transportation pipeline both ends that leaks, avoids the gas in the transportation pipeline at transportation pipeline both ends that leaks to spill over.
Embodiment 2, referring to fig. 3 and 5, is a second embodiment of the present invention, which is different from the first embodiment in that: the driving assembly 302 comprises a limiting ring 302a arranged in the fixing assembly 301 in a sliding manner, a sliding rod 302b fixedly arranged on the limiting ring 302a and an arc-shaped frame 302c arranged at the end part of the sliding rod 302b, wherein the sliding rod 302b is inserted into the mounting cover 202 in a sliding manner, and the sliding rod 302b and the mounting cover 202 are arranged in a sealing manner;
the connecting rope 203f slides through the arc-shaped frame 302c near the air outlet end b and is fixedly connected with the arc-shaped frame 302c near the air inlet end a, the arc-shaped frame 302c at the air inlet end a is higher than the arc-shaped frame 302c at the air outlet end b, an inclined angle exists between the connecting ropes 203f of the two arc-shaped frames 302c, sliding of the connecting ropes 203f is facilitated, when the sliding rods 302b extend along with the two fixing assemblies 301, the two sliding rods 302b can move to the end parts of the mounting cover 202, and meanwhile the sliding rods 302b can stretch the connecting ropes 203f, so that the sealing plate 203c rises and is separated from the sealing seat 201.
Further, two connecting ropes 203f are provided, two guide rings 203g are fixedly installed on the installation cylinder 203a, the two connecting ropes 203f and the two guide rings 203g are respectively positioned at two sides of the installation cylinder 203a, and the two connecting ropes 203f respectively penetrate through the two guide rings 203g and then are connected with the two arc-shaped frames 302 c; when the two connecting ropes 203f are pulled by the two connecting ropes 203f to the mounting ring 203d, an upward force can be generated on the mounting ring 203d, so that the mounting ring 203d is vertically lifted, and friction caused by the tilting of the mounting ring 203d and the contact of the mounting cylinder 203a is avoided.
Further, a U-shaped frame 203a-1 is arranged at the top end of the mounting cylinder 203a, the U-shaped frame 203a-1 is fixedly connected with the mounting cover 202, and arc-shaped grooves 203a-2 are arranged on two sides, close to the air outlet end b, of the U-shaped frame 203 a-1;
the connecting rope 203f is fixedly connected with the arc-shaped frame 302c near the air inlet end a after sliding through the guide ring 203g, the arc-shaped groove 203a-2, the arc-shaped frame 302c near the air outlet end b and the U-shaped frame 203a-1, so that friction contact between the connecting rope 203f and the U-shaped frame 203a-1 is reduced, and the service life of the connecting rope 203f is prolonged.
Further, the fixing assembly 301 includes a threaded ring 301a screwed with the installation tube 101, a connection portion 301b provided at an end of the threaded ring 301a, and a sealing portion 301c provided at an end of the threaded ring 301a and the installation tube 101; the threaded ring 301a is provided with a sliding groove matched with the limiting ring 302a, when the threaded ring 301a rotates, the limiting ring 302a can slide along the sliding groove, and meanwhile, when the threaded ring 301a moves along the mounting tube 101, the sliding rod 302b is driven to slide along the mounting cover 202.
Wherein the cross section of the threaded ring 301a is L-shaped, the threaded ring 301a comprises a connection part in threaded connection with the installation tube 101 and an extension part in connection with the connection part 301b, the sealing part 301c comprises a sealing ring 301c-1 and a pressing ring 301c-2, the sealing ring 301c-1 is fixedly installed at the end part of the installation tube 101, the pressing ring 301c-2 is fixedly installed at the inner side of the threaded ring 301a, the connection part of the pressing ring 301c-2 and the threaded ring 301a is fixed, and the sealing ring 301c-1 and the pressing ring 301c-2 are both positioned at the inner side of the extension part of the threaded ring 301 a;
when the threaded ring 301a is rotated and extended outwards along the mounting tube 101, the pressing ring 301c-2 is contacted with the sealing ring 301c-1 to seal along with the movement of the threaded ring 301a, so that the gas in the transportation pipeline is prevented from overflowing from the gap between the threaded ring 301a and the mounting tube 101.
Further, the connection part 301b includes a connection ring 301b-1 disposed at an end of the threaded ring 301a, and a sealing tube 301b-2 disposed inside the connection ring 301b-1, the sealing tube 301b-2 is connected to the transportation pipeline, and the sealing tube 301b-2 is sealed with the transportation pipeline by a sealing ring; when the threaded ring 301a is retracted in the mounting tube 101, the end of the threaded ring 301a is flush with the end of the mounting tube 101;
when the transportation pipeline is replaced, the threaded rings 301a close to the transportation pipeline on the mounting pipes 101 at the two ends of the transportation pipeline are retracted, the transportation pipeline is placed between the two mounting pipes 101, the sealing pipes 301b-2 are driven to plug in the transportation pipeline by extending the threaded rings 301a, and the sealing pipes 301b-2 at the two ends can complete replacement of the transportation pipeline after simultaneously plugging in the transportation pipeline.
The rest of the structure is the same as that of embodiment 1.
When the transportation pipeline leaks, the screw rings 301a close to the transportation pipeline on the installation pipes 101 at the two ends of the leaked transportation pipeline are rotated, and the sealing pipes 301b-2 connected with the two ends of the leaked transportation pipeline are retracted; meanwhile, when the threaded ring 301a is retracted, the sliding rod 302b is driven to slide along the mounting cover 202 to move towards the inside of the mounting cover 202, so that the connecting rope 203f is loosened, meanwhile, the sealing plate 203c is lowered to prop against the sealing seat 201, channels between the mounting pipes 101 are isolated, channels of the mounting pipes 101 at two ends of the leaked conveying pipes are closed, gas in the residual conveying pipes is prevented from overflowing, after the leaked conveying pipes are disassembled, the leaked conveying pipes are replaced with new conveying pipes and then connected with the sealing pipe 301b-2, firstly, the threaded ring 301a on the mounting pipe 101 at the air inlet end a is extended to drive the sealing pipe 301b-2 to contact and seal the new conveying pipes, then the threaded ring 301a on the mounting pipe 101 at the air outlet end b is extended to drive the sliding rod 302b to move towards the end of the mounting cover 202 to stretch the connecting rope 203f when the threaded ring 301a is extended, the sealing plate 203c is pulled up to separate from the sealing seat 201, the channels between the mounting pipes 101 are opened, and conveying work is continued.
Embodiment 3, referring to fig. 6 and 7, is a third embodiment of the present invention, which is different from the second embodiment in that: the sealing device further comprises an extrusion assembly 204, one end of the transportation pipeline is connected with a sealing pipe 301b-2 of the air outlet end b, the other end of the transportation pipeline is connected with a sealing pipe 301b-2 of the air inlet end a, when the transportation pipeline is replaced when leakage occurs, a threaded ring 301a of the air outlet end b is retracted, a sealing plate 203c can descend to be propped against a sealing seat 201, gas always enters from the air inlet end a due to the fact that a main valve is not closed, the bottom end of the sealing plate 203c in the ventilation pipe 102 is gathered, the sealing plate 203c is extruded to prevent the sealing plate 203c from being closed, the extrusion assembly 204 is matched with a sliding rod 302b close to the air outlet end b, and when the sliding rod 302b of the air outlet end b moves along with the threaded ring 301a in a retracting mode, the extrusion assembly 204 is extruded, so that the sealing plate 203c is pressed against the sealing seat 201, and the sealing plate 203c is prevented from being propped up;
when the transportation pipeline is replaced by leakage, the sealing plate 203c is lowered to be propped against the sealing seat 201 when the threaded ring 301a of the air inlet end a is retracted, and no gas enters the ventilation pipe 102 because the transportation pipeline of the air inlet end a is disassembled, the sealing plate 203c can be smoothly lowered to be propped against the sealing seat 201 for sealing, and the gas in the residual pipeline can be prevented from returning to overflow from the air inlet end a.
The pressing assembly 204 includes a mounting block 204a fixedly provided on the mounting cylinder 203a, a pressing plate 204b hinge-provided on the mounting block 204a, and a pressing column 204c elastically provided on the mounting block 204 a; the end of the extrusion plate 204b is abutted against the sealing plate 203c, and the extrusion column 204c is matched with the extrusion plate 204b and the sliding rod 302 b; the extrusion column 204c is provided with a bump, and a second spring is installed between the bump and the installation block 204a, and the second spring drives the extrusion column 204c to move downwards to contact with the extrusion plate 204 b.
The sliding rod 302b near the air outlet end b is provided with an extrusion block 204d matched with the top end of the extrusion column 204c, the contact surface between the top end of the extrusion column 204c and the extrusion block 204d is an inclined surface, and the contact surface between the bottom end of the extrusion column 204c and the extrusion plate 204b is an inclined surface; the mounting ring 203d is positioned above the mounting block 204a, and the connecting rod 203e slides through the mounting block 204a.
When the screw ring 301a at the air outlet end b is retracted during the replacement of the transportation pipeline during the leakage, the sealing plate 203c will drop to abut against the sealing seat 201, meanwhile, the extrusion plate 204b rotates under the extrusion of the extrusion column 204c to abut against the sealing plate 203c, when the sealing plate 203c is jacked up by air pressure and cannot abut against the sealing seat 201, the sliding rod 302b will drive the extrusion block 204d to abut against the top end of the extrusion column 204c along with the retraction movement of the screw ring 301a, and the extrusion column 204c will be extruded downwards along with the movement of the extrusion block 204d, and the extrusion plate 204b will be extruded downwards, and the sealing plate 203c will be extruded downwards along with the rotation of the installation block 204a to abut against the sealing seat 201 for sealing.
Further, the sliding rod 302b near the air outlet end b includes a mounting head 302b-1 for mounting the extrusion block 204d and the arc-shaped frame 302c, a rod body 302b-2 slidably inserted in the mounting cover 202, and a connecting piece 302b-3 elastically arranged in the rod body 302 b-2; the connecting piece 302b-3 is fixedly connected with the mounting head 302 b-1; the bottom end of the connecting piece 302b-3 is connected with the rod body 302b-2 through a third spring, the connecting rod 203e stretches the third spring when extending outwards along the rod body 302b-2, and the connecting piece 302b-3 moves to the end of the rod body 302b-2 to drive the rod body 302b-2 to move together; when the threaded rings 301a at both ends of the mounting tube 101 are extended and the slide bar 302b is moved to the end of the mounting cap 202, the third spring is in a contracted state, and at the same time, the arc-shaped frame 302c on the mounting head 302b-1 stretches the passing connection rope 203f and presses the sealing plate 203c by the gas of the gas inlet end a, so that the sealing plate 203c is separated from the sealing seat 201.
Further, the bottom end of the extrusion block 204d is provided with a clamping groove 204d-1 matched with the top end of the extrusion column 204c; the top end of the extrusion column 204c is provided with a plugging convex block 204c-1 matched with the clamping groove 204d-1;
when the transportation pipeline is replaced when leakage occurs, when the threaded ring 301a of the air outlet end b is retracted, the extrusion block 204d moves to prop against the top end of the extrusion column 204c, the extrusion plate 204b extrudes the sealing plate 203c, the sealing plate 203c props against the sealing seat 201, the extrusion block 204d passes through the extrusion column 204c when moving to the tail end of the stroke, and meanwhile the inserting convex block 204c-1 is inserted into the clamping groove 204d-1 to fix;
when the transportation pipeline is replaced, the threaded ring 301a is rotated to drive the sealing pipe 301b-2 to extend out to be connected with the transportation pipeline, when the threaded ring 301a extends to drive the rod body 302b-2 to slide outwards along the installation cover 202, the connecting piece 302b-3 is moved to the end of the rod body 302b-2 due to the fact that the inserting protruding piece 204c-1 is inserted into the clamping groove 204d-1, the rod body 302b-2 moves to stretch the third spring, the connecting piece 302b-3 extends, the extrusion block 204d is clamped with the extrusion column 204c, the sealing plate 203c cannot be opened until no seal is formed between the sealing pipe 301b-2 and the transportation pipeline, the air outlet end b of the installation pipe 101 cannot overflow air, after the sealing pipe 301b-2 is connected with the transportation pipeline, the threaded ring 301a continues to extend out, the connecting piece 302b-3 moves to the end of the rod body 302b-2, the rod body 302b-2 drives the connecting piece 302b-3 to move together with the installation head 302b-1, the extrusion block 204d is separated from the extrusion column 204c, the extrusion block 204 b-1 is pulled by the elastic force of the third spring, the elastic force of the installation head 302b-1 is pulled by the third spring and the elastic force of the spring is pulled under the connection of the third spring 203 b-1, the sealing plate 203f is pulled by the sealing plate 203f, and the sealing plate 203f is separated by the sealing plate 203f, and the sealing plate is pulled by the sealing plate 203f, and the sealing plate is separated by the sealing seat is pulled by the sealing end, and the sealing seat is under the sealing, and the sealing end is under 203 f.
The rest of the structure is the same as that of embodiment 2.
The use process is as follows: when the transportation pipeline leaks, the threaded rings 301a close to the transportation pipeline on the installation pipes 101 at the two ends of the leaked transportation pipeline are rotated, and the sealing pipes 301b-2 connected with the two ends of the leaked transportation pipeline are retracted; meanwhile, when the threaded ring 301a is retracted, the sliding rod 302b is driven to slide along the mounting cover 202 to move towards the inside of the mounting cover 202, so that the connecting rope 203f is loosened, meanwhile, the sealing plate 203c is lowered to prop against the sealing seat 201, channels between the mounting pipes 101 are isolated, the mounting pipes 101 at two ends of the leaked conveying pipeline are closed, gas in the residual conveying pipeline is prevented from overflowing, after the leaked conveying pipeline is disassembled, the leaked conveying pipeline is replaced with a new conveying pipeline and then is connected with the sealing pipe 301b-2, firstly, the threaded ring 301a on the mounting pipe 101 at the air inlet end a is extended to drive the sealing pipe 301b-2 to be in contact with the new conveying pipeline for sealing, and then the threaded ring 301a on the mounting pipe 101 at the air outlet end b is extended to drive the sealing pipe 301b-2 to be in contact with the new conveying pipeline for sealing.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (9)
1. A boiler transportation pipeline connecting device which is characterized in that: comprising the steps of (a) a step of,
the mounting unit (100), the mounting unit (100) comprises a mounting pipe (101), a vent pipe (102) arranged in the mounting pipe (101), a partition plate (103) arranged between the vent pipe (102) and the mounting pipe (101), and two air inlet holes (104) arranged on the vent pipe (102);
the two ends of the mounting pipe (101) are divided into an air inlet end (a) and an air outlet end (b) by the partition plate (103), the two air inlet holes (104) are respectively communicated with the air inlet end (a) and the air outlet end (b), and the two air inlet holes (104) are staggered;
a switch unit (200), wherein the switch unit (200) comprises a sealing seat (201) arranged on the inner wall of the ventilation pipe (102), a mounting cover (202) arranged at the top end of the mounting pipe (101), and a sealing assembly (203) arranged inside the mounting cover (202); the sealing seat (201) is positioned between the two air inlet holes (104), the mounting cover (202) is communicated with the ventilation pipe (102), and the sealing assembly (203) is in butt sealing with the sealing seat (201); the method comprises the steps of,
the fixing unit (300) comprises fixing assemblies (301) which are arranged at two ends of the mounting pipe (101) in a threaded mode, and driving assemblies (302) which are arranged on the fixing assemblies (301) in a rotating mode, wherein the driving assemblies (302) are inserted into the mounting cover (202) in a sliding mode, and the driving assemblies (302) are matched with the sealing assemblies (203);
the sealing assembly (203) comprises a mounting cylinder (203 a) arranged at the top of the mounting cover (202), a connecting column (203 b) elastically arranged in the mounting cylinder (203 a), a sealing plate (203 c) fixedly arranged at the bottom end of the connecting column (203 b), a mounting ring (203 d) slidingly arranged on the mounting cylinder (203 a), a connecting rod (203 e) arranged between the mounting ring (203 d) and the sealing plate (203 c), and a connecting rope (203 f) arranged on the mounting ring (203 d); the sealing plate (203 c) is sealed against the sealing seat (201), and the connecting rope (203 f) is fixedly connected with the two driving assemblies (302).
2. The boiler transportation pipeline connection device of claim 1, wherein: the driving assembly (302) comprises a limiting ring (302 a) arranged in the fixing assembly (301) in a sliding manner, a sliding rod (302 b) fixedly arranged on the limiting ring (302 a), and an arc-shaped frame (302 c) arranged at the end part of the sliding rod (302 b); the sliding rod (302 b) is in sliding connection with the mounting cover (202);
the connecting rope (203 f) is fixedly connected with the arc-shaped frame (302 c) close to the air inlet end (a) after sliding through the arc-shaped frame (302 c) close to the air outlet end (b);
the arc-shaped frame (302 c) at the air inlet end (a) is higher than the arc-shaped frame (302 c) at the air outlet end (b).
3. The boiler transportation pipeline connection device of claim 2, wherein: further comprising a squeeze assembly (204), said squeeze assembly (204) cooperating with said slide bar (302 b) proximate said outlet end (b);
the extrusion assembly (204) comprises an installation block (204 a) fixedly arranged on the installation cylinder (203 a), an extrusion plate (204 b) hinged on the installation block (204 a), and an extrusion column (204 c) elastically arranged on the installation block (204 a); the end part of the extrusion plate (204 b) is propped against the sealing plate (203 c), and the extrusion column (204 c) is matched with the extrusion plate (204 b) and the sliding rod (302 b);
the sliding rod (302 b) is provided with an extrusion block (204 d) matched with the top end of the extrusion column (204 c), the contact surface between the top end of the extrusion column (204 c) and the extrusion block (204 d) is an inclined surface, and the contact surface between the bottom end of the extrusion column (204 c) and the extrusion plate (204 b) is an inclined surface;
the mounting ring (203 d) is located above the mounting block (204 a), and the connecting rod (203 e) slides through the mounting block (204 a).
4. A boiler transportation pipeline connection device according to claim 3, characterized in that: the sliding rod (302 b) close to the air outlet end (b) comprises a mounting head (302 b-1) for mounting the extrusion block (204 d) and the arc-shaped frame (302 c), a rod body (302 b-2) which is in sliding connection with the mounting cover (202), and a connecting piece (302 b-3) which is elastically arranged in the rod body (302 b-2); the connecting piece (302 b-3) is fixedly connected with the mounting head (302 b-1);
the bottom end of the extrusion block (204 d) is provided with a clamping groove (204 d-1) matched with the top end of the extrusion column (204 c);
the top end of the extrusion column (204 c) is provided with a splicing protruding block (204 c-1) matched with the clamping groove (204 d-1).
5. The boiler transportation pipeline connecting device according to any one of claims 2 to 4, characterized in that: the connecting rope (203 f) is provided with two strands; two guide rings (203 g) are fixedly arranged on the mounting cylinder (203 a), and two connecting ropes (203 f) and two guide rings (203 g) are respectively positioned on two sides of the mounting cylinder (203 a);
the two connecting ropes (203 f) respectively penetrate through the two guide rings (203 g) and then are connected with the two arc-shaped frames (302 c).
6. The boiler transport pipeline connection device of claim 5, characterized in that: the top end of the mounting cylinder (203 a) is provided with a U-shaped frame (203 a-1), the U-shaped frame (203 a-1) is fixedly connected with the mounting cover (202), and arc-shaped grooves (203 a-2) are formed in two sides, close to the air outlet end (b), of the U-shaped frame (203 a-1);
the connecting rope (203 f) passes through the guide ring (203 g) in a sliding manner, the arc-shaped groove (203 a-2), the arc-shaped frame (302 c) close to the air outlet end (b), and the middle of the U-shaped frame (203 a-1) is fixedly connected with the arc-shaped frame (302 c) close to the air inlet end (a).
7. The boiler transportation pipeline connecting device according to any one of claims 1 to 4 and 6, characterized in that: the fixing assembly (301) comprises a threaded ring (301 a) in threaded connection with the mounting pipe (101), a connecting part (301 b) arranged at the end part of the threaded ring (301 a), and a sealing part (301 c) arranged at the end part of the threaded ring (301 a) and the mounting pipe (101);
the cross section of the threaded ring (301 a) is L-shaped.
8. The boiler transport pipeline connection device of claim 7, characterized in that: the sealing part (301 c) comprises a sealing ring (301 c-1) arranged at the end part of the mounting pipe (101) and a pressing ring (301 c-2) arranged at the inner side end part of the threaded ring (301 a), and the pressing ring (301 c-2) is in pressing sealing with the sealing ring (301 c-1).
9. The boiler transport pipeline connection device of claim 8, characterized in that: the connection part (301 b) comprises a connection ring (301 b-1) arranged at the end part of the threaded ring (301 a), and a sealing tube (301 b-2) arranged at the inner side of the connection ring (301 b-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311167907.2A CN116928475B (en) | 2023-09-12 | 2023-09-12 | Boiler transportation pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311167907.2A CN116928475B (en) | 2023-09-12 | 2023-09-12 | Boiler transportation pipeline connecting device |
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| Publication Number | Publication Date |
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| CN116928475A true CN116928475A (en) | 2023-10-24 |
| CN116928475B CN116928475B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311167907.2A Active CN116928475B (en) | 2023-09-12 | 2023-09-12 | Boiler transportation pipeline connecting device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211344354U (en) * | 2019-11-18 | 2020-08-25 | 青州云驼气体净化设备有限公司 | Novel LNG gas connector |
| CN211738162U (en) * | 2020-01-21 | 2020-10-23 | 大连经济技术开发区供热有限公司 | Industrial electric regulating valve |
| CN112228646A (en) * | 2020-11-03 | 2021-01-15 | 崔如福 | Sealed valve |
| CN213575565U (en) * | 2020-10-28 | 2021-06-29 | 苏州瑞盾机械有限公司 | Transmission mechanism of valve manual driving device |
| CN219300162U (en) * | 2022-12-23 | 2023-07-04 | 江汉油田宏佳机械潜江有限公司 | Self-sealing oil union with good sealing effect |
-
2023
- 2023-09-12 CN CN202311167907.2A patent/CN116928475B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211344354U (en) * | 2019-11-18 | 2020-08-25 | 青州云驼气体净化设备有限公司 | Novel LNG gas connector |
| CN211738162U (en) * | 2020-01-21 | 2020-10-23 | 大连经济技术开发区供热有限公司 | Industrial electric regulating valve |
| CN213575565U (en) * | 2020-10-28 | 2021-06-29 | 苏州瑞盾机械有限公司 | Transmission mechanism of valve manual driving device |
| CN112228646A (en) * | 2020-11-03 | 2021-01-15 | 崔如福 | Sealed valve |
| CN219300162U (en) * | 2022-12-23 | 2023-07-04 | 江汉油田宏佳机械潜江有限公司 | Self-sealing oil union with good sealing effect |
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| CN116928475B (en) | 2023-12-08 |
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