CN117345952A - Supporting structure of municipal water supply pipeline - Google Patents
Supporting structure of municipal water supply pipeline Download PDFInfo
- Publication number
- CN117345952A CN117345952A CN202311660377.5A CN202311660377A CN117345952A CN 117345952 A CN117345952 A CN 117345952A CN 202311660377 A CN202311660377 A CN 202311660377A CN 117345952 A CN117345952 A CN 117345952A
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- China
- Prior art keywords
- water supply
- fixedly connected
- wall
- spring
- supply pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 230000008093 supporting effect Effects 0.000 title claims abstract description 15
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1066—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with three or more members surrounding the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a supporting structure of a municipal water supply pipeline, and belongs to the technical field of municipal pipeline laying; the device comprises a fixed ring, a bidirectional moving assembly and a limiting unlocking assembly; the fixed ring is sleeved on the outer wall of the water supply pipe; the water supply pipe passes through the small culvert to be paved; the fixed ring is supported between the small culvert and the water supply pipe through the bidirectional moving assembly, the bidirectional moving assembly is installed in a matched mode with the limiting unlocking assembly, and the supporting effect of the bidirectional moving assembly is relieved through the limiting unlocking assembly; when receiving the water hammer effect, avoided the condition that the culvert inner tube takes place great rocking to take place through bearing structure, improved the life of pipeline.
Description
Technical Field
The invention belongs to the technical field of municipal pipeline laying, and relates to a supporting structure of a municipal water supply pipeline.
Background
Municipal water supply is a municipal water supply system and consists of water treatment facilities, pipelines and other conveying facilities, in the laying process of the pipelines, if a wider road is met, the pipeline passes through a small culvert preset below the road in order to reduce the construction time and the construction difficulty, the small culvert is used for draining water, the diameter is small, constructors cannot enter the small culvert, and therefore the water supply pipelines need to be fixed at the parts of the water supply pipelines, which are positioned at the two ends of the small culvert, after the water supply pipelines pass through the small culvert, and the pipeline parts positioned in the small culvert do not need to be supported. At present municipal water supply pipeline commonly used is PVC material, if the little culvert of road below is longer, then needs to support the pipeline part that is located little culvert according to actual conditions to keep the stability of pipeline, but because little culvert is less, personnel can't get into, leads to unable mounting support structure in water supply pipeline middle part, and if design the valve around the culvert, at the valve in-process of opening and shutting, pipeline in the culvert can receive the water hammer effect, can lead to the pipeline to warp for a long time, thereby reduce life.
Disclosure of Invention
In order to solve the technical problems, the invention provides a supporting structure of a municipal water supply pipeline, which is realized by the following technical scheme:
a supporting structure of a municipal water supply pipeline comprises a fixed ring, a bidirectional moving assembly and a limiting unlocking assembly; the fixed ring is sleeved on the outer wall of the water supply pipe; the water supply pipe passes through the small culvert to be paved; the outer wall of the fixed ring is fixedly connected with a connecting seat with a hollow structure along the circumference at equal intervals, the bidirectional moving assembly is arranged inside the connecting seat, the fixed ring is supported between the small culvert and the water supply pipe through the bidirectional moving assembly, the bidirectional moving assembly is matched with the limiting unlocking assembly, and the supporting effect of the bidirectional moving assembly is relieved through the limiting unlocking assembly;
the bidirectional moving assembly comprises a gear, the inside of a connecting seat is rotationally connected with the gear, two symmetrical racks are slidably connected in the connecting seat, the two racks are in meshed connection with the gear, first grooves are respectively formed in one ends of the two racks, which are far away from each other, of the two racks, first springs are fixedly connected to the inner walls of the first grooves, sliding plates are slidably connected to the inner walls of the two first grooves, one side of each sliding plate is fixedly connected with each first spring, one sliding plate close to a water supply pipe is connected with a water pipe fixing block on one side, far away from the first springs connected with the sliding plate, of the connecting seat, and one sliding plate close to a small culvert is connected with a culvert inner wall fixing block on one side, far away from the first springs connected with the connecting seat; the circle center of the gear is fixedly connected with a fixed rod, a spring is cooperatively arranged on the fixed rod, and a second stay cord is wound on the outer wall of the fixed rod;
the limiting unlocking component comprises a ratchet wheel, the ratchet wheel is fixedly connected to the other end of the fixed rod, a second groove is formed in one side, close to the ratchet wheel, of the connecting seat, two second springs are symmetrically and fixedly connected to the inner wall of the second groove, a moving block is slidably connected to the inner wall of the second groove, two sides of the moving block are fixedly connected with one end of one second spring respectively, a pawl is rotatably connected to the front side of the moving block, a stop block is fixedly connected to the front side of the moving block, and the stop block is connected with the pawl through a reset spring; the second recess inner wall fixedly connected with third spring, one side fixedly connected with unblock piece of third spring, the one end fixedly connected with third stay cord of third spring is kept away from to the unblock piece, and the gear rotates when the second stay cord is pulled, and the clockwork spring is gradually tightened along with the drive of dead lever, and the ratchet is also rotatory together under the drive of dead lever, and the pawl is continuous reciprocating motion along the ratchet outer wall under reset spring's elasticity.
Further, one side fixedly connected with protection casing of connecting seat, protection casing internal portion are first hold the chamber and the second holds the chamber, and the one end of dead lever stretches into the second and holds the intracavity portion, and clockwork spring one end fixed connection holds on the intracavity wall in the second.
Furthermore, the limiting unlocking assembly further comprises a cover body, the connecting seat is fixedly connected with the cover body, the inside of the cover body is fixedly connected with a containing groove, and the ratchet wheel is arranged in the containing groove; when the unlocking block moves and drives the moving block to move, the stop block and the pawl enter the storage groove along the inner wall of the storage groove.
Further, one side of the fixed ring is provided with a first stay cord.
Further, the first pull rope, the second pull rope and the third pull rope are all steel wire ropes.
Further, the fixed ring is of a detachable structure, and is divided into two semicircular rings and fixed through bolts.
Further, the outer wall of the fixed ring is fixedly connected with three connecting seats along the circumference at equal intervals, and a bidirectional moving assembly is arranged in each connecting seat; one ends of the three second pull ropes are tied together, one ends of the three third pull ropes are tied together, and the second pull ropes are pulled to drive the gears to rotate, so that the fixing rings are respectively fixed on the small culvert and the water supply pipe, and support is provided for the water supply pipe.
Compared with the prior art, the invention has the following beneficial effects:
the detachable fixing ring is sleeved on the water supply pipe, the fixing ring is conveyed to the middle of the small culvert through the first pull rope, then the three second pull ropes are pulled at the same time to respectively drive the three fixing rods to rotate, the spring is enabled to be stressed, the gear also rotates along with the rotation to drive the two racks to move relatively, the water pipe fixing block and the culvert fixing block are respectively contacted with the inner wall of the small culvert and the outer wall of the water supply pipe through the first spring, the support for the water supply pipe is formed, the pipeline in the culvert is prevented from shaking greatly when the pipeline is subjected to the effect of a water hammer, and the service life of the pipeline is prolonged through the support structure.
According to the invention, the ratchet wheel rotates through the rotation of the fixing rod, the ratchet wheel rotates to enable the pawl to regularly move under the action of the reset spring and limit the gear, when the fixing ring needs to be replaced, the pawl is driven to move into the storage groove only by pulling the third pull rope, at the moment, the ratchet wheel is out of limit, under the action of the spring, the ratchet wheel and the gear reversely rotate to enable the two racks to be overlapped together again, at the moment, the first pull rope can be pulled to move the fixing ring out of the small culvert for replacement, and the design is convenient for constructors to disassemble and assemble.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a shield on a retaining ring according to the present invention;
FIG. 3 is a schematic view of the internal structure of the protective cover of the present invention;
FIG. 4 is a schematic view of the internal structure of the cover of the present invention;
FIG. 5 is a schematic view of a limiting unlocking assembly according to the present invention;
FIG. 6 is an enlarged view at A in FIG. 5;
FIG. 7 is a schematic view of the return spring structure of the present invention;
FIG. 8 is an enlarged view at B in FIG. 7;
fig. 9 is a schematic view of a partial cross-sectional structure of a rack of the present invention.
In the figure:
1. a small culvert; 2. a water supply pipe; 3. a support frame; 4. a fixing ring;
5. a connecting seat; 51. a gear; 52. a rack; 53. a first groove; 54. a first spring; 55. a slide plate; 56. a water pipe fixing block; 57. inner wall fixing blocks of culverts; 59. a fixed rod; 510. a protective cover; 511. a first accommodation chamber; 512. a second accommodation chamber; 513. a spring; 514. a second pull rope;
6. a first pull rope; 61. a cover body; 62. a storage groove; 63. a ratchet wheel; 64. a second groove; 65. a second spring; 66. a moving block; 67. a pawl; 68. a stop block; 69. a return spring; 610. a third spring; 611. unlocking the block; 612. and a third pull rope.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. The following describes the technical scheme of the present invention in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
Referring to fig. 1-9, the embodiment provides a supporting structure of a municipal water supply pipeline, which comprises a fixed ring 4, a bidirectional moving assembly and a limiting unlocking assembly; as shown in fig. 1, a water supply pipe 2 is arranged inside the small culvert 1, two ends of the water supply pipe 2 outside the small culvert 1 are fixedly connected with a supporting frame 3, a fixing ring 4 is arranged on the outer wall of the water supply pipe 2, the fixing ring 4 is of detachable design, the fixing ring 4 is divided into two semicircular rings and is fixed through bolts, and the fixing ring 4 is convenient to disassemble and assemble.
The fixed ring 4 outer wall is along circle equidistance fixedly connected with connecting seat 5, and connecting seat 5 inner wall is hollow design, and one side of fixed ring 4 is equipped with first stay cord 6, and connecting seat 5 inside is equipped with two-way removal subassembly, fixes delivery pipe 2 inside little culvert 1 through two-way removal subassembly, be equipped with spacing unblock subassembly on the connecting seat 5, spacing unblock subassembly and two-way removal subassembly cooperation installation.
Referring to fig. 2, 3, 4 and 9, the bidirectional moving assembly includes a gear 51, the inside of the connection seat 5 is rotatably connected with the gear 51, two symmetrical racks 52 are slidably connected in the connection seat 5, the racks 52 slide along the radial direction of the fixing ring 4, the two racks 52 are located at two sides of the gear 51 and are engaged with the gear 51, a first groove 53 is formed in one end of the two racks 52, which is far away from each other, a first spring 54 is fixedly connected to the inner wall of the first groove 53, sliding plates 55 are slidably connected to the inner walls of the two first grooves 53, one side of each sliding plate 55 is fixedly connected with the first spring 54, one sliding plate 55 is located at one end of the first groove 53, which is close to the water supply pipe 2, of the other sliding plate 55 is located at one end of the first groove 53, which is close to the water supply pipe 2, is fixedly connected with a water pipe fixing block 56 at one side of the sliding plate 55, which is close to the inner wall of the small culvert 1, which is far from the first spring 54, through a connecting rod fixedly connected with a culvert inner wall fixing block 57 at one side of the sliding plate 55, which is far from the first spring 54. The gear 51 centre of a circle fixedly connected with dead lever 59, one side fixedly connected with protection casing 510 of connecting seat 5, the protection casing 510 internal portion is first holding chamber 511 and second holding chamber 512, the one end of dead lever 59 stretches into the second holding chamber 512 inside, the one end of second holding chamber 512 inner wall fixedly connected with clockwork spring 513, the clockwork spring 513 other end and dead lever 59 cooperation installation, first holding chamber 511 inside is being located the outer wall department winding of dead lever 59 and has second stay cord 514, when water pipe fixed block 56 contacted with delivery pipe 2, wherein first spring 54 is compressed, when the contact of culvert inner wall fixed block 57 and little culvert 1 inner wall, another first spring 54 also is compressed, make water pipe fixed block 56 and culvert inner wall fixed block 57 support solid fixed ring 4 between delivery pipe 2 and little culvert 1 through the elasticity that first spring 54 provided.
Specifically, referring to fig. 2 to 8, the limiting unlocking assembly includes: the cover body 61 is fixedly connected with the other side of the connecting seat 5, the cover body 61 is internally fixedly connected with a containing groove 62, and a ratchet wheel 63 is arranged in the containing groove 62; the ratchet wheel 63 is fixedly connected with the other end of the fixed rod 59, a second groove 64 is formed in one side, close to the ratchet wheel 63, of the connecting seat 5, two second springs 65 are symmetrically and fixedly connected to the inner wall of the second groove 64, a moving block 66 is slidably connected to the inner wall of the second groove 64, two sides of the moving block 66 are fixedly connected with one end of one second spring 65 respectively, a pawl 67 is rotatably connected to the front side of the moving block 66, a stop block 68 is fixedly connected to the front side of the moving block 66, and the stop block 68 is connected with the pawl 67 through a reset spring 69. The inner wall of the second groove 64 is fixedly connected with a third spring 610, one side of the third spring 610 is fixedly connected with an unlocking block 611, one end of the unlocking block 611, which is far away from the third spring 610, is fixedly connected with a third pull rope 612, when the unlocking block 611 moves and drives the moving block 66 to move, the stop block 68 and the pawl 67 can enter the second groove along the inner wall of the storage groove 62, the first pull rope 6, the second pull rope 514 and the third pull rope 612 are steel wire ropes, the gear 51 rotates when the second pull rope 514 is pulled, the spring 513 is gradually tightened along with the driving of the fixing rod 59, the ratchet wheel 63 is also rotated together under the driving of the fixing rod 59, and the pawl 67 continuously reciprocates along the outer wall of the ratchet wheel 63 under the elastic force of the reset spring 69.
Referring to fig. 2 and 5, one ends of three second pull ropes 514 are tied together, one ends of three third pull ropes 612 are tied together, and simultaneously, the second pull ropes 514 are pulled to drive the gear 51 to rotate, so that the fixing ring 4 is respectively fixed on the small culvert 1 and the water supply pipe 2, and support is provided for the water supply pipe 2.
Working principle:
when the fixing device is used, the two parts of the fixing ring 4 are sleeved on the outer wall of the water supply pipe 2, the two parts of the fixing ring 4 are installed together through bolts, the first pull rope 6 passes through the small culvert 1, the first pull rope 6 is pulled to drive the fixing ring 4 to slide along the outer wall of the water supply pipe 2, when the fixing ring 4 moves to the middle part of the small culvert 1, the pulling of the first pull rope 6 is stopped, one end of the first pull rope 6 is fixed, the second pull rope 514 can be pulled at the moment, the second pull rope 514 drives the fixing rod 59 to rotate, and the fixing rod 59 respectively fixes the gear 51, the spring 513 and the ratchet wheel 63, so that when the fixing rod 59 rotates, the gear 51, the spring 513 and the ratchet wheel 63 rotate together, the two racks 52 relatively move due to the rotation of the gear 51, the water pipe fixing block 56 and the inner wall fixing block 57 of the culvert are far away from each other, and the water pipe fixing block 56 contacts the outer wall of the water supply pipe 2 and the inner wall fixing block 57 of the culvert 1. By the cooperation of the first spring 54 inside the rack 52 and the sliding plate 55, the first spring 54 is compressed to fix the water supply pipe 2 inside the small culvert 1, the spring 513 is continuously forced to convert elastic potential energy into kinetic energy at a later stage, the ratchet 63 is continuously driven by the rotation of the ratchet 63 to reciprocally compress the reset spring 69, the ratchet 63 is clamped by the ratchet 67 to enable the fixed rod 59 to be unable to rotate, the spring 513 is always kept in an energy storage state, when the fixed ring 4 needs to be replaced regularly, the third pull rope 612 is pulled to enable the unlocking block 611 to move, the third spring 610 is stretched, the moving block 66 is extruded through one side of the unlocking block 611, the two second springs 65 are extruded by the movement of the unlocking block 611, the movable block 66 drives the stop block 68, the reset spring 69 and the pawl 67 to move into the storage groove 62, when the pawl 67 completely enters the storage groove 62, the ratchet 63 loses limitation, when the spring 513 converts elastic potential energy into kinetic energy, the gear 51 also rotates along with the kinetic energy until the two racks 52 are overlapped again, the pulling force of the unlocking block 611 is removed at this time, the unlocking block 611 resets under the action of the elastic force of the third spring 610, the movable block 66 also resets under the action of the two second springs 65, so that the pawl 67 resets together, the fixed ring 4 is not limited at this time, and the fixed ring is pulled out by the first pull rope 6 for replacement or overhaul.
While the invention has been described in detail in connection with specific preferred embodiments thereof, it is not to be construed as limited thereto, but rather as a result of a simple deduction or substitution by a person having ordinary skill in the art to which the invention pertains without departing from the scope of the invention defined by the appended claims.
Claims (7)
1. The supporting structure of the municipal water supply pipeline is characterized by comprising a fixed ring (4), a bidirectional moving assembly and a limiting unlocking assembly; the fixed ring (4) is sleeved on the outer wall of the water supply pipe (2); the water supply pipe (2) passes through the small culvert (1) to be paved; the outer wall of the fixed ring (4) is fixedly connected with a connecting seat (5) with a hollow structure along the circumference at equal intervals, the bidirectional moving assembly is arranged inside the connecting seat (5), the fixed ring (4) is supported between the small culvert (1) and the water supply pipe (2) through the bidirectional moving assembly, the bidirectional moving assembly is matched with the limiting unlocking assembly, and the supporting effect of the bidirectional moving assembly is relieved through the limiting unlocking assembly;
the bidirectional moving assembly comprises a gear (51), the inside of a connecting seat (5) is rotationally connected with the gear (51), two symmetrical racks (52) are slidably connected in the connecting seat (5), the two racks (52) are all connected with the gear (51) in a meshed mode, first grooves (53) are respectively formed in one end, far away from each other, of each rack (52), first springs (54) are fixedly connected to the inner walls of the first grooves (53), sliding plates (55) are slidably connected to the inner walls of the two first grooves (53), one side of each sliding plate (55) is fixedly connected with each first spring (54), one sliding plate (55) close to a water supply pipe (2) is connected with a water pipe fixing block (56) on one side, far away from the first springs (54) connected with the sliding plate, of each sliding plate (55) close to a small culvert (1), and a culvert inner wall fixing block (57) is connected to one side, far away from the first springs (54) connected with the small culvert; the center of the gear (51) is fixedly connected with a fixed rod (59), a spring (513) is cooperatively arranged on the fixed rod (59), and a second stay cord (514) is wound on the outer wall of the fixed rod (59);
the limiting unlocking assembly comprises a ratchet wheel (63), the ratchet wheel (63) is fixedly connected to the other end of a fixed rod (59), a second groove (64) is formed in one side, close to the ratchet wheel (63), of a connecting seat (5), two second springs (65) are symmetrically and fixedly connected to the inner wall of the second groove (64), a moving block (66) is slidably connected to the inner wall of the second groove (64), two sides of the moving block (66) are fixedly connected with one end of one second spring (65) respectively, a pawl (67) is rotatably connected to the front side of the moving block (66), a stop block (68) is fixedly connected to the front side of the moving block (66), and the stop block (68) is connected with the pawl (67) through a reset spring (69); the inner wall of the second groove (64) is fixedly connected with a third spring (610), one side of the third spring (610) is fixedly connected with an unlocking block (611), one end of the unlocking block (611) away from the third spring (610) is fixedly connected with a third pull rope (612), the gear (51) rotates when the second pull rope (514) is pulled, the spring (513) is gradually tightened along with the driving of the fixing rod (59), the ratchet wheel (63) is also rotated together under the driving of the fixing rod (59), and the pawl (67) continuously reciprocates along the outer wall of the ratchet wheel (63) under the elastic force of the reset spring (69).
2. The supporting structure of a municipal water supply pipeline according to claim 1, wherein a protective cover (510) is fixedly connected to one side of the connecting seat (5), the interior of the protective cover (510) is divided into a first accommodating cavity (511) and a second accommodating cavity (512), one end of the fixing rod (59) extends into the second accommodating cavity (512), and one end of the spring (513) is fixedly connected to the inner wall of the second accommodating cavity (512).
3. The supporting structure of the municipal water supply pipeline according to claim 1, wherein the limiting unlocking assembly further comprises a cover body (61), the connecting seat (5) is fixedly connected with the cover body (61), the inside of the cover body (61) is fixedly connected with a containing groove (62), and the ratchet wheel (63) is arranged in the containing groove (62); when the unlocking block (611) moves and drives the moving block (66) to move, the stop block (68) and the pawl (67) enter the storage groove (62) along the inner wall of the storage groove (62).
4. A support structure for a municipal water supply pipe according to claim 1, wherein the fixing ring (4) is provided with a first pull string (6) on one side.
5. The municipal water supply pipe support structure according to claim 4, wherein the first pull string (6), the second pull string (514) and the third pull string (612) are steel wire ropes.
6. The support structure of municipal water supply pipe according to claim 1, wherein the fixing ring (4) is of a detachable structure, and the fixing ring (4) is divided into two semicircular rings and is fixed by bolts.
7. The supporting structure of municipal water supply pipelines according to claim 1, wherein the outer wall of the fixed ring (4) is fixedly connected with three connecting seats (5) along the circumference at equal intervals, and a bidirectional moving assembly is arranged in each connecting seat (5); one ends of the three second pull ropes (514) are tied together, one ends of the three third pull ropes (612) are tied together, meanwhile, the second pull ropes (514) are pulled to drive the gear (51) to rotate, the fixing rings (4) are respectively fixed on the small culvert (1) and the water supply pipe (2), and support is provided for the water supply pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311660377.5A CN117345952B (en) | 2023-12-06 | 2023-12-06 | Supporting structure of municipal water supply pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311660377.5A CN117345952B (en) | 2023-12-06 | 2023-12-06 | Supporting structure of municipal water supply pipeline |
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| CN117345952A true CN117345952A (en) | 2024-01-05 |
| CN117345952B CN117345952B (en) | 2024-02-13 |
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