CN211525846U - Hot rod type pipe support with fixed efficient heat insulation pipe support - Google Patents
Hot rod type pipe support with fixed efficient heat insulation pipe support Download PDFInfo
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- CN211525846U CN211525846U CN201922066317.6U CN201922066317U CN211525846U CN 211525846 U CN211525846 U CN 211525846U CN 201922066317 U CN201922066317 U CN 201922066317U CN 211525846 U CN211525846 U CN 211525846U
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Abstract
The utility model discloses a hot rod type pipe support with a fixed high-efficiency heat insulation pipe support, which comprises at least 2 pressure-bearing support pipes, wherein a support beam is arranged at the top end of each pressure-bearing support pipe, a fixed heat insulation pipe support is arranged on each support beam and is used for supporting a pipeline, the fixed heat insulation pipe support sequentially comprises a heat insulation layer, a moisture-proof protective layer and a metal rain-proof protective layer from inside to outside, and a reinforced pipe clamp is arranged outside the metal rain-proof protective layer; the heat insulation layer is formed by overlapping two heat insulation blocks in a staggered way, and a labyrinth seal elastic cushion is filled in a gap formed by overlapping the two heat insulation blocks in the staggered way; at least 2 arc-shaped inner axial limiting blocks are respectively arranged on two axial end faces of the heat insulation layer along the outer wall of the pipeline, and the inner axial limiting blocks are attached to the axial end faces of the heat insulation layer; arranging at least 1 circle of arc-shaped outer axial limiting blocks along the inner wall of the reinforcing pipe clamp, wherein the inner ends of the outer axial limiting blocks extend into the heat insulation layer; the pipe bracket is fixed on the supporting beam through the pipe bracket base. The utility model discloses make pipeline and fixed type adiabatic conduit saddle become one wholly, do not have relative displacement.
Description
Technical Field
The utility model relates to a take hot stick formula pipe support of high-efficient adiabatic conduit saddle of fixed type, concretely relates to can eliminate medium pipeline such as oil transportation, gas transmission and ground and warp too big device of damage because of heaing up by a wide margin.
Background
With the deepening of the socialization process, the usage amount of fossil fuels is increased year by people, petroleum and natural gas pipeline engineering frequently goes up, more and more pipelines are developed in cold regions, and pipe frames for supporting the pipelines are generally buried on permafrost foundations, such as a Zhongrussian crude oil pipeline project, an American Alaska natural gas pipeline project, a Russian arctic circle Wankel oil field project and the like. In order to prevent the damage of secondary approach construction to the fragile frozen soil environment, the erection of 2 or even more pipelines on the pipe frame is a trend of pipeline engineering development. In summer, as the pipe frame is supported in a permafrost layer, the ground of the permafrost layer is influenced by the long-time radiation heat of the sun to melt and deform, and the pipe frame can be influenced destructively and even collapse; in high-altitude and high-latitude frozen soil areas, the construction difficulty is high due to climate reasons, the pipeline engineering is usually built in multiple stages, and the pressure of the pipe frame on the frozen soil layer changes in the early stage and the later stage, so that the inclination of the pipe frame can be caused. Therefore, the pipe frame in the high-altitude and high-latitude frozen soil area is designed considering the settlement deformation caused by expansion and contraction and ground melting.
The small deformation of the pipeline can not immediately damage the conveying pipeline, but if the pipeline is influenced by the lifting and the inclination of the pipe frame caused by the expansion caused by heat and the contraction caused by cold of the foundation for a long time, the pipeline is easy to generate metal fatigue, and the service life of the conveying pipeline is influenced. In addition, if the temperature of the foundation is excessively increased, the deformation of the foundation often exceeds the compensation allowance of the pipe frame, so that the pipeline generates deformation stress, and the damage process of the pipeline is accelerated. Therefore, overcoming foundation deformation is an effective means for solving the problem of safe long-term operation of the pipe frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take high-efficient adiabatic conduit saddle of fixed type's hot stick formula pipe support to the easy deformation of following the ground, single or many (2 at least) pipelines appear on coexisting a pipe support uneven settlement warp or twist reverse the deformation and cause the problem of pipeline harm to the easy deformation of following the ground of the pipe support existence of current fluid conveying pipeline.
The utility model aims at realizing through the following technical scheme:
a hot rod type pipe frame with a fixed efficient heat insulation pipe bracket comprises at least 2 pressure bearing support pipes 6 with the lower ends fixed in a foundation, wherein the hot rod 1 with one end extending into a frozen soil foundation is installed; a supporting beam 3 is arranged at the top end of the pressure-bearing supporting pipe 6, and the supporting beam 3 is positioned below the pipeline; a fixed heat insulation pipe bracket 2 is arranged on the supporting beam 3 and is used for supporting a pipeline 9; the fixed heat insulation pipe bracket 2 sequentially comprises a high-strength low-heat-conduction heat insulation layer 25, a moisture-proof protection layer 24 and a metal rain-proof protection layer 23 from inside to outside, and a reinforcing pipe clamp 21 is arranged on the outer side of the metal rain-proof protection layer 23; the heat insulation layer 25 is formed by overlapping an upper heat insulation block and a lower heat insulation block in a staggered manner, and a labyrinth seal elastic cushion 26 is filled in a gap formed by overlapping the upper heat insulation block and the lower heat insulation block in a staggered manner to isolate the heat of the pipeline from dissipating from the gap; at least 2 arc-shaped inner axial limiting blocks 27 are respectively and uniformly arranged on two axial end faces of the heat insulation layer along the outer wall of the pipeline 9, and the inner axial limiting blocks 27 are attached to the axial end faces of the heat insulation layer 25; at least 1 circle of arc-shaped outer axial limiting blocks are arranged along the inner wall of the reinforcing pipe clamp 21, at least 2 outer axial limiting blocks 28 are uniformly arranged in each circle, and the inner ends of the outer axial limiting blocks 28 extend into the heat insulation layer 25; the pipe bracket 2 is fixed on the supporting beam 3 through a pipe bracket base 10.
The hot rod extends into the permafrost soil to be not less than 2.0m, and is determined according to the upper limit of the permafrost soil. The outer wall of the part of the hot rod 1 inserted into the foundation is provided with an anticorrosive coating, preferably a galvanized anticorrosive coating.
A heat tracing pipe 9 is arranged along the outer wall of the pipeline 9.
As this scheme of the preferred technique of the hot rod formula pipe support of high-efficient adiabatic conduit saddle of fixed type in area the pressure-bearing stay tube 6 in place 2 at least spacing rings 11, be equipped with 3 piece at least bracing pieces 12 at the 11 outer walls of spacing ring and make spacing ring 11 be fixed in 7 inner walls of pressure-bearing stay tube. For the convenience of assembly, the inner diameter of the limiting ring is larger than the outer diameter of the hot rod, preferably 10mm larger than the outer diameter of the hot rod, the limiting ring 11 is sleeved on the outer wall of the hot rod 1, the position of the hot rod is fixed through the limiting ring and the supporting rod, and the verticality of the hot rod is controlled to meet the design requirements of national standards.
Preferably, the support rod is respectively connected with the outer wall of the limit ring 11 and the inner wall of the pressure-bearing support pipe 7 into a whole through welding.
Preferably, 3 or 4 support rods 12 are arranged on the outer wall of each limit ring 11.
Preferably, the supporting beam 3 has an H-shaped section or a ] [ shaped section, and is preferably H-shaped steel, i-shaped steel or C-shaped steel.
Preferably, two sides of the upper part of the pressure-bearing supporting pipe 6 are respectively provided with 1 inverted-L-shaped supporting part 5, a vertical plate of each supporting part 5 is welded on the outer wall of the pressure-bearing supporting pipe 6, and a cross beam of each supporting part 6 is provided with a bolt hole; the cross beam of the supporting piece 5 is connected with the supporting cross beam 3 in a bolt riveting mode through the anti-loosening connecting piece 4.
Preferably, the anti-loosening connecting piece is a double-nut anti-loosening connecting piece and consists of a bolt and a double nut.
As this scheme of the preferred technique of the hot rod formula pipe support of high-efficient adiabatic conduit saddle of fixed type in area, pressure-bearing stay tube 6 be connected the structural stability in order to improve the pipe support through bearing diagonal 7 and supporting beam 3. The upper end of the inclined supporting beam 7 is connected with the supporting beam 3 through an anti-loosening connecting piece, and the lower end of the inclined supporting beam is welded with the pressure-bearing supporting tube 7.
The number of the pressure-bearing supporting pipes 6 can be more than 2 and 3. When the number of the pressure-bearing supporting pipes is 2, the 2 pressure-bearing supporting pipes 6 are positioned at two sides of the pipeline 9; when the number of the pressure-bearing supporting pipes is more than 3, 2 pressure-bearing supporting pipes 6 are positioned at two sides of the pipeline 9, and the rest pressure-bearing supporting pipes 6 are positioned below the middle part of the supporting beam, if the permafrost is of a high-temperature high-ice-content type, at least 1 hot rod needs to be arranged in each pressure-bearing supporting pipe, so that the stability of the permafrost foundation is ensured; if the permafrost is stable at low temperature, the hot rod is not needed.
Preferably, the reinforcing pipe clamp 21 is tightened by a self-tightening type anti-loose fastener 22, and the self-tightening type anti-loose fastener 22 is a combination of a bolt, a nut and a disc spring set.
Preferably, the high-strength low-heat-conduction heat insulation block is formed by foaming, cutting and molding Polyurethane (PU) or Polyisocyanurate (PIR), a heat tracing pipe channel for installing a heat tracing pipe and installation areas of the inner axial limiting block and the outer axial limiting block are reserved in the heat insulation block, and the upper half part and the lower half part are formed by adopting a numerical control integrated labyrinth, so that the rapid on-site lap joint installation is facilitated. Preferably, one end of each heat insulation block is protruded, the other end of each heat insulation block is recessed, and the heat insulation layer 25 is formed by overlapping concave-convex structures of the upper heat insulation block and the lower heat insulation block in a staggered mode.
When the total thickness of the heat insulation layer 25 is more than 80mm, in order to facilitate assembly during site construction and reduce heat loss caused by expansion with heat and contraction with cold, the heat insulation layer 25 is spliced in multiple layers to ensure that the axial end face of the heat insulation layer 25 is step-shaped; the inner axial limiting block 27 is attached to the lowest layer of the axial end face of the heat insulation layer 25.
Preferably, the material of the labyrinth seal elastic pad 26 is a heat insulating material, preferably bridged polyethylene, ultrafine glass fiber mat, nano aerogel mat, or the like.
Preferably, the moisture-proof protective layer 24 is formed by wrapping a composite PAP aluminum foil outside the heat-insulating layer.
Preferably, the material of the metal rain-proof protective layer 23 is an aluminum-plated steel plate, a stainless steel plate, or a galvanized steel plate.
Preferably, the central angle corresponding to the inner axial limiting block 27 is 60-170 degrees; arranging 1-4 circles of arc-shaped outer axial limiting blocks 28 along the inner wall of the reinforcing pipe clamp 21; the corresponding central angle of the outer axial limiting block 28 is 60-170 degrees. The number and the specification size of the inner axial limiting block and the outer axial limiting block are calculated and determined according to the pipeline load.
The material of the inner axial limiting block 27 is the same as or equivalent to that of the pipeline 10; the inner axial limiting block 27 is connected with the pipeline 10 by welding. The material of outer axial stopper 28 with strengthen pipe clamp 21 the same, the one end of outer axial stopper 28 welds in strengthening pipe clamp 21 inner wall, the other end is inlayed and is stretched into in the heat insulation layer 25.
Preferably, the inner axial limiting block 27 is provided with axial ribs 29 to increase the axial bearing capacity of the inner axial limiting block.
Preferably, the pipe bracket base 10 is fixed on the supporting beam 3 by welding or bolting.
The utility model has the advantages that:
the utility model discloses hot stick formula pipe support has simple structure, the suitability is strong, easy to assemble's advantage, axial stopper and pipeline welded fastening in with, outer axial stopper welds with the pipe clamp, interior axial stopper corresponds the staggered arrangement of vacancy with outer axial stopper in the axial, during the pipeline thermal energy, the conduit saddle removes along with the pipeline, the pipeline transmits the load to adiabatic piece, the load transmits to outer axial stopper through adiabatic piece, outer axial stopper transmits the load to the pipe clamp again, and pipe clamp and conduit saddle base are a whole, thereby make the pipeline become one with fixed type adiabatic conduit saddle, there is not relative displacement, form fixed conduit saddle.
The utility model discloses during hot rod formula pipe support can promote to move the support of all kinds of pipelines in cold frozen soil district, be particularly suitable for the pipeline engineering of building in cold areas to be used for supporting 2 above pipelines simultaneously. The heat-insulating pipe bracket is used for pipelines in industries such as petrochemical industry in high-altitude and high-latitude frozen soil areas, the temperature of a foundation can be reduced, the stability of the bracket is guaranteed, and the heat-insulating pipe bracket can be always effectively supported, so that damage to the pipelines due to deformation is reduced or avoided.
Drawings
FIG. 1 is a schematic structural view of a hot rod type pipe rack with a fixed high-efficiency heat insulation pipe bracket according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the installation of the stop collar;
FIG. 4 is a schematic structural view of a pipe bracket;
fig. 5 is a schematic view of the structure of the adiabatic block.
In the figure, 1-heat bar, 2-fixed type heat insulation pipe bracket, 3-supporting beam, 4-anti-loose connecting piece, 5-supporting piece, 6-bearing supporting pipe, 7-inclined supporting beam, 8-heat tracing pipe, 9-pipeline, 10-pipe bracket base, 11-spacing ring, 12-supporting rod, 21-reinforcing pipe clamp, 22-self-tightening type anti-loose fastener, 23-metal rain-proof protective layer, 24-moisture-proof protective layer, 25-heat insulating layer, 26-labyrinth seal elastic pad, 27-inner axial limiting block, 28-outer axial limiting block and 29-axial rib plate.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1-5, a hot rod type pipe frame with a fixed high-efficiency heat insulation pipe bracket comprises 2 pressure-bearing support pipes 6 with lower ends fixed in a foundation, wherein the pressure-bearing support pipes 6 are positioned at two sides of a pipeline 9, 2 limit rings 11 are arranged in the pressure-bearing support pipes 6, 4 support rods 12 are welded between the outer walls of the limit rings 11 and the inner walls of the pressure-bearing support pipes 7, the inner diameters of the limit rings are 10mm larger than the outer diameter of a hot rod 1, the hot rod 1 is inserted into the pressure-bearing support pipes 6 and is merged into the ground, and the position of the hot rod is fixed through the limit rings 11; two sides of the upper part of the pressure-bearing supporting pipe 6 are respectively provided with 1 inverted L-shaped supporting piece 5, a vertical plate of each supporting piece 5 is welded on the outer wall of the pressure-bearing supporting pipe 6, a cross beam of each supporting piece 5 is provided with a bolt hole, and the cross beam of each supporting piece 5 is connected with a flange of the H-shaped supporting cross beam 3 in a bolt riveting mode through an anti-loosening connecting piece 4; the supporting beam 3 is positioned below the pipeline, and the fixed heat insulation pipe bracket 2 is arranged on the supporting beam 3 and used for supporting the pipeline 9; the fixed heat insulation pipe bracket 2 sequentially comprises a high-strength low-heat-conduction heat insulation layer 25, a moisture-proof protection layer 24 and a metal rain-proof protection layer 23 from inside to outside, a reinforcing pipe clamp 21 is arranged on the outer side of the metal rain-proof protection layer 23, and the reinforcing pipe clamp 21 is tightly hooped by a self-tightening anti-loosening fastener 22; the heat insulation layer 25 is formed by staggered overlapping of concave-convex structures of an upper heat insulation block and a lower heat insulation block, and a labyrinth seal elastic cushion 26 is filled in a gap formed by the staggered overlapping of the two heat insulation blocks; two axial end faces of the heat insulation layer are respectively and uniformly welded with 4 arc-shaped inner axial limiting blocks 27 (the central angle corresponding to the inner axial limiting block 27 is 60 degrees), and the inner axial limiting blocks 27 are attached to the axial end faces of the heat insulation layer 25; 2 circles of arc-shaped outer axial limiting blocks 28 are arranged along the inner wall of the reinforcing pipe clamp 21 (the central angle corresponding to each outer axial limiting block 28 is 60 degrees), 2 outer axial limiting blocks are uniformly arranged in each circle, and the inner ends of the outer axial limiting blocks 28 extend into the heat insulating layer 25; the bottom of the fixed type heat insulation pipe bracket 2 is provided with a pipe bracket base 10, and the pipe bracket base 10 is fixed on the supporting beam 3.
Heat tracing pipes 9 are respectively arranged along the top, the left side and the right side of the outer wall of the pipeline 9.
The supporting beam 3 is made of H steel.
The anti-loose connecting piece 4 is a double-nut anti-loose fastener and comprises a bolt and double nuts. The self-tightening anti-loose fastener 22 is a combination of a bolt, a nut and a disc spring group.
The heat insulation block is formed by foaming, cutting and molding polyurethane PU or polyisocyanurate PIR, a heat tracing pipe channel for installing a heat tracing pipe and an installation area of an inner axial limiting block and an outer axial limiting block are reserved in the heat insulation block, the upper half and the lower half are formed by adopting a numerical control integrated labyrinth, and the outer side of one end of the heat insulation block is protruded and the outer side of one end of the heat insulation block is recessed, so that the heat insulation block can be conveniently and rapidly overlapped and installed on.
The labyrinth seal elastic cushion 26 is made of bridging polyethylene, superfine glass fiber felt or nanometer aerogel felt and the like.
The moisture-proof protective layer 24 is formed by wrapping a composite PAP aluminum foil outside the heat insulation layer.
The material of the metal rain-proof protective layer 23 is an aluminum-plated steel plate, a stainless steel plate or a galvanized steel plate.
The inner axial limiting block 27 is provided with an axial rib plate 29.
This embodiment hot stick formula pipe support is with interior axial stopper and pipeline welded fastening, outer axial stopper welds with the pipe clamp, interior axial stopper and outer axial stopper correspond the staggered arrangement of vacancy in the axial, during the pipeline thermal energy, the conduit saddle moves along with the pipeline together, the pipeline gives the load transmission to adiabatic piece, the load passes through adiabatic piece and transmits to outer axial stopper, outer axial stopper transmits the load to the pipe clamp again, and pipe clamp and conduit saddle base are a whole, thereby make pipeline and fixed type adiabatic conduit saddle become one whole, there is not relative displacement, form fixed conduit saddle. This embodiment hot rod formula pipe support is fit for supporting pipeline more than 2 simultaneously at the pipeline engineering of cold area construction, can reduce the ground temperature, and the guarantee support is stable to make adiabatic conduit saddle effectively support all the time, thereby reduce or avoid causing the harm to pipeline itself because of warping.
Example 2
On the basis of the hot rod type pipe support with the fixed efficient heat insulation pipe support in the embodiment 1, an inclined support beam 7 is arranged between the pressure bearing support pipe 6 and the support cross beam 3 to improve the structural stability of the pipe support, the upper end of the inclined support beam 7 is connected with the support cross beam 3 through an anti-loosening connecting piece, and the lower end of the inclined support beam is welded with the pressure bearing support pipe 6.
Example 3
On the basis of the hot rod type pipe frame with the fixed high-efficiency heat insulation pipe bracket in the embodiment 1, when the total thickness of the heat insulation layer 25 is more than 80mm, the heat insulation layer 25 is spliced in multiple layers and the axial end face of the heat insulation layer is in a step shape; the inner axial limiting block 27 is attached to the lowest layer of the axial end face of the heat insulation layer 25.
Claims (10)
1. A hot rod type pipe support with a fixed efficient heat insulation pipe support is characterized by comprising at least 2 pressure bearing supporting pipes fixed in a foundation, wherein a hot rod with one end extending into a permafrost foundation is installed in each pressure bearing supporting pipe; a supporting beam is arranged at the top end of the pressure-bearing supporting pipe and is positioned below the pipeline; a fixed heat insulation pipe bracket is arranged on the supporting beam and used for supporting a pipeline; the fixed heat insulation pipe bracket sequentially comprises an inner axial limiting block, a heat insulation layer, an outer axial limiting block, a moisture-proof protective layer and a metal rain-proof protective layer from inside to outside, and a reinforcing pipe clamp is arranged on the outer side of the metal rain-proof protective layer; the heat insulation layer is formed by overlapping two heat insulation blocks in a staggered way, and a labyrinth seal elastic cushion is filled in a gap formed by overlapping the two heat insulation blocks in the staggered way; at least 2 arc-shaped inner axial limiting blocks are uniformly arranged on two axial end faces of the heat insulation layer along the outer wall of the pipeline respectively, and the inner axial limiting blocks are attached to the axial end faces of the heat insulation layer; at least 1 circle of arc-shaped outer axial limiting blocks are arranged along the inner wall of the reinforcing pipe clamp, at least 2 outer axial limiting blocks are uniformly arranged in each circle, and the inner ends of the outer axial limiting blocks extend into the heat insulation layer; the pipe bracket is fixed on the supporting beam through the pipe bracket base.
2. The hot rod pipe support with the fixed efficient heat insulation pipe bracket according to claim 1, wherein at least 2 limiting rings are arranged in the pressure bearing support pipe, the limiting rings are sleeved on the outer wall of the hot rod, and at least 3 support rods are arranged on the outer wall of the limiting rings to fix the limiting rings on the inner wall of the pressure bearing support pipe.
3. The hot rod pipe support with the fixed efficient heat insulation pipe bracket according to claim 2, wherein the inner diameter of the limiting ring is larger than the outer diameter of the hot rod.
4. The hot rod pipe rack with the fixed high-efficiency heat insulation pipe bracket according to claim 1, wherein the supporting beam is H-shaped or ] [ shaped.
5. The hot rod type pipe frame with the fixed efficient heat insulation pipe bracket according to claim 1, characterized in that reverse L-shaped supporting pieces are respectively arranged at two sides of the upper part of the pressure bearing supporting pipe, and vertical plates of the supporting pieces are welded on the outer wall of the pressure bearing supporting pipe; the cross beam of the supporting piece is connected with the supporting cross beam through the anti-loosening connecting piece.
6. The heat rod type pipe frame with the fixed high-efficiency heat insulation pipe bracket according to claim 1, characterized in that the pressure bearing supporting pipe is connected with the supporting beam through an inclined supporting beam.
7. The hot rod pipe support with the fixed high-efficiency heat insulation pipe bracket according to claim 1, wherein the heat insulation block is formed by foaming, cutting and molding PU or polyisocyanurate PIR, one end of the heat insulation block protrudes outwards, the other end of the heat insulation block is recessed outwards, and the heat insulation block is formed by overlapping the concave-convex structures of the upper heat insulation block and the lower heat insulation block in a staggered manner.
8. The heat rod pipe frame with a fixed high-efficiency heat insulation pipe bracket according to claim 1, wherein the axial end face of the heat insulation layer is stepped.
9. The hot rod pipe support with the fixed efficient heat insulation pipe bracket according to claim 1, wherein the labyrinth seal elastic cushion is made of bridging polyethylene, superfine glass fiber felt and nano aerogel felt; the moisture-proof protective layer is formed by wrapping a composite PAP aluminum foil outside the heat insulation layer; the material of the metal rainproof protective layer is an aluminum-plated steel plate, a stainless steel plate and a galvanized steel plate.
10. The hot rod type pipe frame with the fixed efficient heat insulation pipe bracket according to claim 1, wherein a central angle corresponding to the inner axial limiting block is 60-170 degrees; the central angle that outer axial stopper correspond be 60 ~ 170.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066317.6U CN211525846U (en) | 2019-11-26 | 2019-11-26 | Hot rod type pipe support with fixed efficient heat insulation pipe support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066317.6U CN211525846U (en) | 2019-11-26 | 2019-11-26 | Hot rod type pipe support with fixed efficient heat insulation pipe support |
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| CN211525846U true CN211525846U (en) | 2020-09-18 |
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| CN201922066317.6U Active CN211525846U (en) | 2019-11-26 | 2019-11-26 | Hot rod type pipe support with fixed efficient heat insulation pipe support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022106607A (en) * | 2021-01-07 | 2022-07-20 | Ａｗｊ株式会社 | Pipe fixing base |
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2019
- 2019-11-26 CN CN201922066317.6U patent/CN211525846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022106607A (en) * | 2021-01-07 | 2022-07-20 | Ａｗｊ株式会社 | Pipe fixing base |
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