CN114719126B - Thermal insulation sleeve of online overhead steam pipe network and manufacturing and mounting method thereof - Google Patents
Thermal insulation sleeve of online overhead steam pipe network and manufacturing and mounting method thereof Download PDFInfo
- Publication number
- CN114719126B CN114719126B CN202210299986.1A CN202210299986A CN114719126B CN 114719126 B CN114719126 B CN 114719126B CN 202210299986 A CN202210299986 A CN 202210299986A CN 114719126 B CN114719126 B CN 114719126B
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- sleeve
- rod
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- plate
- pipe network
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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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
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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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a heat preservation sleeve of an online overhead steam pipe network, which comprises the following components: the device comprises a rotating shaft, a first sleeve and a second sleeve, wherein an arc-shaped slot is formed in one side of the first sleeve, which is far away from the rotating shaft, and an arc-shaped plugboard is fixedly arranged on one side of the second sleeve, which is far away from the rotating shaft; the fixing assembly comprises two first spring rods, the front surface and the rear surface of the first sleeve are respectively provided with a socket communicated with the slot, the front wall and the rear wall in the slot are respectively provided with an arc-shaped chute, and inclined blocks are fixedly arranged in the chute grooves; and the two groups of release assemblies are respectively used for controlling the shrinkage of the two first spring rods respectively positioned in the two jacks. The end parts of the two first spring rods can be rapidly controlled to enter and exit the two sockets through the mutual cooperation between the fixing assembly and the two groups of releasing assemblies, so that the first sleeve, the second sleeve and the pipeline can be rapidly disassembled and assembled.
Description
Technical Field
The invention relates to the technical field of steam heat-insulating pipe protection, in particular to a heat-insulating sleeve of an online overhead steam pipe network and a manufacturing and mounting method thereof.
Background
Along with development of technological progress, the existing large-scale heat supply network is built by depending on a thermal power plant, the steam temperature can reach 300 ℃ and even higher, steam is superheated steam, and due to frequent thermal expansion and contraction in the working state of a steam pipe, a pipeline heat insulation layer and an outer shell of the pipeline heat insulation layer are synchronously relaxed, the outer shell of the heat insulation layer spliced by a color steel plate is finally torn off, so that the heat insulation material is exposed, rainwater permeates the heat insulation layer, and hardening, falling and heat insulation performance deterioration can occur after the heat insulation material absorbs water.
The chinese patent with publication number CN108591690B proposes a heat-insulating sleeve for an online overhead steam pipe network, which can solve the above-mentioned problems, and in which the locking device is susceptible to failure caused by vibration force of the pipe, and the locking and releasing steps are complicated.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and the Chinese patent with the publication number of CN108591690B proposes a heat-insulating sleeve of an online overhead steam pipe network, which can solve the problems that a pipeline heat-insulating layer is torn off and the like, wherein a locking device is easy to lose effectiveness due to vibration acting force of a pipeline, and locking and unlocking steps are complicated.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an insulating sleeve for an on-line overhead steam pipe network, comprising:
the device comprises a first sleeve and a second sleeve, wherein the first sleeve and the second sleeve are rotationally connected together through a rotating shaft, an arc-shaped slot is formed in one side, far away from the rotating shaft, of the first sleeve, and an arc-shaped inserting plate is fixedly arranged on one side, far away from the rotating shaft, of the second sleeve;
the fixing assembly is used for fixing the position of the plugboard in the slot and comprises two first spring rods which are respectively and fixedly installed on the front surface and the rear surface of the plugboard, the front surface and the rear surface of the first sleeve are respectively provided with a socket communicated with the slot, the front wall and the rear wall of the slot are respectively provided with an arc-shaped chute, and inclined blocks are fixedly installed in the chute slots;
and the two groups of release assemblies are respectively used for controlling the shrinkage of the two first spring rods respectively positioned in the two sockets and are respectively and fixedly arranged on the front surface and the rear surface of the first sleeve.
Preferably, the release assembly comprises a second spring rod fixedly installed on the surface of the first sleeve, a moving plate fixedly installed at one end of the second spring rod and a supporting rod fixedly installed on the surface of the moving plate, and one ends, close to each other, of the two supporting rods are respectively corresponding to the positions of the two jacks.
Preferably, two ends of the first spring rods, which are far away from each other, are fixedly provided with abutting blocks, and the abutting blocks are in a sphere shape.
Preferably, the mounting seat is fixedly arranged on the side wall of the second sleeve, the rotating rod is fixedly arranged in the mounting seat, the rotating rod is rotatably arranged on the rotating rod, the mounting rod is fixedly arranged on the side wall of the first sleeve, the through hole for the mounting rod to pass through is formed in the surface of the rotating rod, and the rotating rod cannot slide out of the mounting rod due to the fact that the rotating rod is locked by the locking assembly.
Preferably, the locking assembly comprises a third spring rod and an inserting block fixedly installed at one end of the third spring rod, the side wall of the first sleeve is fixedly provided with a setting plate, the third spring rod is fixedly installed on the setting plate, a locking groove for allowing the inserting block to be inserted into is formed in the surface of the setting rod, and the third spring rod can not shrink by limiting the third spring rod through a clamping component.
Preferably, the clamping component comprises a hollow plate fixedly sleeved on the third spring rod and a clamping plate slidably installed in the hollow plate, and the side wall of the first sleeve is provided with a clamping groove for allowing the clamping plate to be inserted.
Preferably, the side wall of the hollow plate is provided with a sliding port communicated with the inside of the hollow plate, the side wall of the clamping plate is fixedly provided with a moving rod, and one end of the moving rod, which is far away from the hollow plate, penetrates out of the sliding port.
Preferably, the inner cylinder walls of the first sleeve and the second sleeve are respectively provided with a hard microporous calcium silicate tile.
Preferably, the walls of the first sleeve and the second sleeve are filled with hard polyurethane foam layers.
The manufacturing and mounting method suitable for the heat preservation sleeve comprises the following steps:
s1: the first sleeve and the second sleeve are both made of thin metal plates;
s2: the inner cylinder walls of the first sleeve and the second sleeve are respectively provided with a hard microporous calcium silicate tile, and the cylinder walls are respectively filled with a foamed hard polyurethane foam layer;
s3: the first sleeve and the second sleeve are spliced and sleeved on the pipeline, and then one ends of the two first spring rods in the fixing assembly, which are far away from each other, are respectively inserted into the two sockets to form clamping and fixing, so that the positions of the first sleeve and the second sleeve on the pipeline are fixed, and the installation is completed at the moment;
s4: the two groups of release components are used for respectively controlling the shrinkage of the two first spring rods respectively positioned in the two sockets, so that the end parts of the two first spring rods are respectively moved out of the two sockets, and the fixation between the first sleeve and the second sleeve and the pipeline can be released.
Compared with the prior art, the invention has the beneficial effects that:
1. the end parts of the two first spring rods can be rapidly controlled to enter and exit the two sockets through the mutual matching between the fixing assembly and the two groups of releasing assemblies, so that the first sleeve, the second sleeve and the pipeline can be rapidly disassembled and assembled, the convenience and the rapidness can be realized, and the mounting can be released without the action force of vibration of the pipeline;
2. the installation rod inserted in the through hole can be limited to slide out of the through hole through the matching between the locking component and the clamping component, so that the auxiliary installation effect can be achieved, and when the fixing component fails, the installation between the first sleeve and the second sleeve and the pipeline can not be released;
3. the dry hard polyurethane foam layer is used as a heat insulation material to replace the original heat insulation material of moisture absorption, so that the infiltration of water vapor in the atmosphere can be avoided, and the heat insulation material is suitable for the heat insulation of the outer layer of an online pipe network;
4. the heat preservation effect is better by taking the hard microporous calcium silicate tiles capable of bearing high temperature as the inner layer of the on-line pipe network for heat preservation.
Drawings
FIG. 1 is a schematic view of a side perspective part cross-section of a heat preservation sleeve of an on-line overhead steam pipe network according to the present invention;
fig. 2 is a schematic view of a bottom perspective partial cross-sectional structure of a heat preservation sleeve of an online overhead steam pipe network according to the present invention;
FIG. 3 is a schematic view of a top view perspective partial cross-sectional structure of a heat preservation sleeve of an on-line overhead steam pipe network according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2B;
fig. 6 is an enlarged schematic view of the structure at C in fig. 3.
In the figure: 1 a first sleeve, 2 a second sleeve, 3 a rotating shaft, 4 slots, 5 plugboards, 6 a first spring rod, 7 sockets, 8 sliding grooves, 9 inclined blocks, 10 a second spring rod, 11 a moving plate, 12 a supporting rod, 13 a supporting block, 14 a mounting seat, 15 a rotating rod, 16 a rotating rod, 17 a mounting rod, 18 a third spring rod, 19 a plug block, 20 a mounting plate, 21 a locking groove, 22 a hollow plate, 23 a clamping plate, 24 a clamping groove, 25 a hard microporous calcium silicate tile and 26 a hard polyurethane foam layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-6, an insulating sleeve for an on-line overhead steam pipe network, comprising:
the device comprises a first sleeve 1 and a second sleeve 2, wherein the first sleeve 1 and the second sleeve 2 are rotationally connected together through a rotating shaft 3, an arc-shaped slot 4 is formed in one side, far away from the rotating shaft 3, of the first sleeve 1, and an arc-shaped inserting plate 5 is fixedly arranged on one side, far away from the rotating shaft 3, of the second sleeve 2;
the fixing assembly is used for fixing the position of the plugboard 5 in the slot 4 and comprises two first spring rods 6 which are respectively and fixedly arranged on the front surface and the rear surface of the plugboard 5, the front surface and the rear surface of the first sleeve 1 are respectively provided with a socket 7 communicated with the slot 4, the front wall and the rear wall of the slot 4 are respectively provided with an arc-shaped chute 8, and inclined blocks 9 are fixedly arranged in the slots of the chute 8;
the two groups of release components are respectively used for controlling the shrinkage of two first spring rods 6 respectively positioned in the two sockets 7 and are respectively and fixedly arranged on the front surface and the rear surface of the first sleeve 1.
In the embodiment of the above technical scheme, first sleeve 1 and second sleeve 2 are first sleeved on the pipeline, then first sleeve 1 and second sleeve 2 are rotated to make one side of the first sleeve and second sleeve 2 away from rotating shaft 3 prop against, plugboard 5 can enter slot 4 at this time, the end parts of two first spring rods 6 fixedly mounted on front and rear surfaces of plugboard 5 can also be respectively in sliding contact with the inclined planes of two inclined blocks 9, under the action of the pushing force of the inclined planes, two first spring rods 6 shrink until the end parts of two first spring rods 6 are no longer in contact with the inclined planes of two inclined blocks 9, the pushing force of the inclined planes and first spring rods 6 disappears, at this time, under the action of elastic potential energy, one ends of two first spring rods 6 far away from each other can be quickly reset and respectively extend into two sockets 7 to form clamping locking, the mounting between first sleeve 1 and second sleeve 2 and the pipeline is completed, when the two first rods 6 respectively located in two sockets 7 are required to shrink through two groups of releasing components, so that the end parts of first spring rods 6 can be quickly moved out of the two sockets 7 and the end parts of the first spring rods 6 can be conveniently released from the vibration when the first sleeve 7 and the end parts are not in contact with the inclined planes of two inclined blocks 9.
In the preferred technical solution of this embodiment, the releasing assembly includes a second spring rod 10 fixedly installed on the surface of the first sleeve 1, a moving plate 11 fixedly installed at one end of the second spring rod 10, and a supporting rod 12 fixedly installed on the surface of the moving plate 11, where the ends of the two supporting rods 12 close to each other correspond to the positions of the two sockets 7. The two moving plates 11 are pressed to move towards the directions approaching to each other, at this time, the two supporting rods 12 respectively support the end parts of the two first spring rods 6, the first spring rods 6 are contracted under the acting force of the supporting and pressing, and the clamping connection between the first spring rods 6 and the socket 7 can be released until the first spring rods 6 are contracted to be moved out of the socket 7 and are not contacted with the inclined blocks 9 any more.
In the preferred technical scheme in this embodiment, two first spring rods 6 are each fixedly installed with a supporting block 13 at the end that is far away from each other, and the supporting blocks 13 are spherical. The spherical abutting block 13 reduces the contact area when the end of the first spring rod 6 is in sliding contact with the inclined surface of the inclined block 9, so that the sliding friction force can be reduced.
In the preferred technical scheme in this embodiment, the lateral wall fixed mounting of second sleeve 2 has mount pad 14, and fixed mounting has dwang 15 in the mount pad 14, and the pivoted is installed bull stick 16 on the dwang 15, and first sleeve 1 lateral wall fixed mounting has setting lever 17, and the opening that is used for letting setting lever 17 pass is offered on bull stick 16 surface, and bull stick 16 passes through locking assembly locking self can't follow setting lever 17 and roll off. When the first sleeve 1 and the second sleeve 2 are spliced and sleeved on the pipeline, the rotating rod 16 is rotated at the moment and sleeved on the arranging rod 17, then the locking assembly locks the rotating rod 16, the rotating rod cannot slide out of the arranging rod 17, the effect of secondary fixed installation can be achieved, and when the fixing assembly fails, the installation between the first sleeve 1 and the second sleeve 2 and the pipeline cannot be released.
In the preferred technical scheme of this embodiment, the locking assembly includes third spring rod 18 and fixed mounting at the inserted block 19 of third spring rod 18 one end, and first sleeve 1 lateral wall fixed mounting has setting plate 20, and third spring rod 18 fixed mounting is on setting plate 20, and setting rod 17 surface has seted up the locking groove 21 that is used for letting inserted block 19, and third spring rod 18 is unable shrink of self restriction through the joint part. When the rotating rod 16 is sleeved on the mounting rod 17, the third spring rod 18 is controlled to stretch at the moment, the inserting block 19 is inserted into the locking groove 21, the rotating rod 16 can not slide out of the mounting rod 17 due to the blocking effect of the inserting block 19 at the moment, and then the third spring rod 18 is limited to shrink and reset through the clamping part.
In the preferred technical solution of this embodiment, the clamping component includes a hollow plate 22 fixedly sleeved on the third spring rod 18 and a clamping plate 23 slidably mounted in the hollow plate 22, and the side wall of the first sleeve 1 is provided with a clamping slot 24 for inserting the clamping plate 23. When the rotating rod 16 is sleeved on the mounting rod 17, the third spring rod 18 is controlled to stretch and the inserting block 19 is inserted into the locking groove 21, at the moment, the rotating rod 16 can not slide out of the mounting rod 17 under the blocking action of the inserting block 19, then the clamping plate 23 is controlled to slide in the hollow plate 22 and slide into the clamping groove 24 to form clamping connection, at the moment, the third spring rod 18 is released, under the action of elastic potential energy of the third spring rod 18, the clamping plate 23 can tightly abut against the inner groove wall of the clamping groove 24, at the moment, the third spring rod 18 can not shrink and reset, and the inserting block 19 can be always inserted into the locking groove 21.
In the preferred technical scheme in this embodiment, the side wall of the hollow slab 22 is provided with a sliding port communicated with the inside of the hollow slab 22, the side wall of the clamping plate 23 is fixedly provided with a moving rod, and one end of the moving rod, which is far away from the hollow slab 22, penetrates out of the sliding port. The movement of the moving rod can be controlled to control the clamping plate 23 to move in the hollow plate 22, so that a worker can conveniently control the clamping plate 23 to enter and exit the clamping groove 24.
In the preferred technical solution in this embodiment, the inner walls of the first sleeve 1 and the second sleeve 2 are provided with hard microporous calcium silicate tiles 25. The heat preservation effect is better by taking the hard microporous calcium silicate tiles 25 capable of bearing high temperature as the inner layer of the online pipe network for heat preservation.
In the preferred technical scheme in the embodiment, the walls of the first sleeve 1 and the second sleeve 2 are filled with a rigid polyurethane foam layer 26. By using the "dry" rigid polyurethane foam layer 26 as a thermal insulation material instead of the "moisture-absorbing" original thermal insulation material, the infiltration of water vapor in the atmosphere can be avoided, and the thermal insulation material is suitable for the thermal insulation of the outer layer of an on-line pipe network.
The manufacturing and mounting method suitable for the heat preservation sleeve comprises the following steps:
s1: both the first sleeve 1 and the second sleeve 2 are made of thin metal plates;
s2: the inner cylinder walls of the first sleeve 1 and the second sleeve 2 are respectively provided with a hard microporous calcium silicate tile 25, and the inner cylinder walls are respectively filled with a foamed hard polyurethane foam layer 26;
s3: the first sleeve 1 and the second sleeve 2 are spliced and sleeved on a pipeline, then one ends of the two first spring rods 6 in the fixing assembly, which are far away from each other, are respectively inserted into the two sockets 7 to form clamping and fixing, the positions of the first sleeve 1 and the second sleeve 2 on the pipeline are fixed, and the installation is completed at the moment;
s4: the two groups of release components are used for respectively controlling the contraction of the two first spring rods 6 respectively positioned in the two sockets 7, so that the end parts of the two first spring rods 6 respectively move out of the two sockets 7, and the fixation between the first sleeve 1, the second sleeve 2 and the pipeline can be released.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. An insulating sleeve of an online overhead steam pipe network, comprising:
the device comprises a first sleeve (1) and a second sleeve (2), wherein the first sleeve (1) and the second sleeve (2) are rotationally connected together through a rotating shaft (3), an arc-shaped slot (4) is formed in one side, far away from the rotating shaft (3), of the first sleeve (1), and an arc-shaped inserting plate (5) is fixedly arranged in one side, far away from the rotating shaft (3), of the second sleeve (2);
the fixing assembly is used for fixing the position of the inserting plate (5) in the inserting groove (4), the fixing assembly comprises two first spring rods (6) which are respectively and fixedly installed on the front surface and the rear surface of the inserting plate (5), the front surface and the rear surface of the first sleeve (1) are respectively provided with a socket (7) communicated with the inserting groove (4), the front groove wall and the rear groove wall in the inserting groove (4) are respectively provided with an arc-shaped sliding groove (8), and an inclined block (9) is fixedly installed in the notch of the sliding groove (8);
the two groups of release assemblies are respectively used for controlling the shrinkage of the two first spring rods (6) respectively positioned in the two sockets (7) and are respectively and fixedly arranged on the front surface and the rear surface of the first sleeve (1);
the side wall of the second sleeve (2) is fixedly provided with a mounting seat (14), a rotating rod (15) is fixedly arranged in the mounting seat (14), a rotating rod (16) is rotatably arranged on the rotating rod (15), the side wall of the first sleeve (1) is fixedly provided with a placement rod (17), the surface of the rotating rod (16) is provided with a through hole for the placement rod (17) to pass through, and the rotating rod (16) is locked by a locking component and cannot slide out of the placement rod (17);
the locking assembly comprises a third spring rod (18) and an inserting block (19) fixedly arranged at one end of the third spring rod (18), a placement plate (20) is fixedly arranged on the side wall of the first sleeve (1), the third spring rod (18) is fixedly arranged on the placement plate (20), a locking groove (21) for allowing the inserting block (19) to be inserted is formed in the surface of the placement rod (17), and the third spring rod (18) can not shrink by itself through a clamping part;
the clamping component comprises a hollow plate (22) fixedly sleeved on the third spring rod (18) and a clamping plate (23) slidably installed in the hollow plate (22), and a clamping groove (24) for allowing the clamping plate (23) to be inserted is formed in the side wall of the first sleeve (1);
the side wall of the hollow plate (22) is provided with a sliding opening communicated with the inside of the hollow plate, the side wall of the clamping plate (23) is fixedly provided with a moving rod, and one end of the moving rod, which is far away from the hollow plate (22), penetrates out of the sliding opening.
2. The insulation sleeve of an on-line overhead steam pipe network according to claim 1, wherein the release assembly comprises a second spring rod (10) fixedly installed on the surface of the first sleeve (1), a movable plate (11) fixedly installed on one end of the second spring rod (10) and a supporting rod (12) fixedly installed on the surface of the movable plate (11), and the positions of two sockets (7) are respectively corresponding to the ends, close to each other, of the two supporting rods (12).
3. The insulation sleeve of an online overhead steam pipe network according to claim 1, wherein one end, away from each other, of each of the two first spring rods (6) is fixedly provided with a supporting block (13), and the supporting blocks (13) are spherical.
4. The insulation sleeve of an on-line overhead steam pipe network according to claim 1, wherein the inner cylinder walls of the first sleeve (1) and the second sleeve (2) are provided with hard microporous calcium silicate tiles (25).
5. The insulation sleeve of an on-line overhead steam pipe network according to claim 1, wherein the walls of the first sleeve (1) and the second sleeve (2) are filled with a rigid polyurethane foam layer (26).
6. The manufacturing and installing method of the heat preservation sleeve of the online overhead steam pipe network is characterized by comprising the following steps of:
s1: both the first sleeve (1) and the second sleeve (2) are made of thin metal plates;
s2: the inner cylinder walls of the first sleeve (1) and the second sleeve (2) are respectively provided with a hard microporous calcium silicate tile (25), and the cylinder walls are respectively filled with a foamed hard polyurethane foam layer (26);
s3: the first sleeve (1) and the second sleeve (2) are spliced and sleeved on the pipeline, then one ends, far away from each other, of the two first spring rods (6) in the fixing assembly are respectively inserted into the two sockets (7) to form clamping and fixing, the positions of the first sleeve (1) and the second sleeve (2) on the pipeline are fixed, and the installation is completed at the moment;
s4: the two groups of release components are used for respectively controlling the shrinkage of the two first spring rods (6) respectively positioned in the two sockets (7), so that the end parts of the two first spring rods (6) respectively move in the two sockets (7), and the fixation between the first sleeve (1) and the second sleeve (2) and the pipeline can be released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210299986.1A CN114719126B (en) | 2022-03-25 | 2022-03-25 | Thermal insulation sleeve of online overhead steam pipe network and manufacturing and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210299986.1A CN114719126B (en) | 2022-03-25 | 2022-03-25 | Thermal insulation sleeve of online overhead steam pipe network and manufacturing and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719126A CN114719126A (en) | 2022-07-08 |
| CN114719126B true CN114719126B (en) | 2023-10-13 |
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| CN108591690A (en) * | 2018-05-11 | 2018-09-28 | 上海科华热力管道有限公司 | The heat preservation sleeve and its fabrication and installation method of online aerial steam pipe network |
| JP2022008728A (en) * | 2018-06-15 | 2022-01-14 | 張偉萍 | Control-signal-and-data-signal transmitter |
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| CN113551155A (en) * | 2021-05-24 | 2021-10-26 | 福州卓能科技有限公司 | Steam pipeline operation comprehensive maintenance device |
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