CN214368158U - Pipe burying device for hydraulic and hydroelectric engineering - Google Patents
Pipe burying device for hydraulic and hydroelectric engineering Download PDFInfo
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- CN214368158U CN214368158U CN202120001948.4U CN202120001948U CN214368158U CN 214368158 U CN214368158 U CN 214368158U CN 202120001948 U CN202120001948 U CN 202120001948U CN 214368158 U CN214368158 U CN 214368158U
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- 239000012791 sliding layer Substances 0.000 claims description 26
- 239000002131 composite material Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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Abstract
The utility model discloses a buried pipe device that hydraulic and hydroelectric engineering used relates to hydraulic and hydroelectric engineering installation technical field, including the loading board, the equal fixedly connected with support column in bottom both sides of loading board, the below both sides of loading board all are equipped with stores the frame, the bottom middle part fixedly connected with connecting cylinder of loading board, the inside fixedly connected with locating plate of connecting cylinder. This pipe burying device that hydraulic and hydroelectric engineering used, through main hydraulic stem, vice hydraulic stem, L type connecting rod, direct current motor and threaded sleeve's cooperation sets up, put the inboard of snap ring with the pipeline, start direct current motor, direct current motor drives the threaded rod rotation, the threaded rod rotation drives the threaded sleeve and rises, the threaded sleeve drives the longer end of L type connecting rod and rotates the base at first, main hydraulic stem and vice hydraulic stem stop, reach the effect to pipeline stable connection, the better removes the pipeline, also can carry out stable decline with the pipeline when guaranteeing to carry out stable connection to the pipeline.
Description
Technical Field
The utility model relates to a hydraulic and hydroelectric engineering installs technical field, specifically is a buried pipe device that hydraulic and hydroelectric engineering used.
Background
The water conservancy and hydropower engineering is an engineering which is built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. When carrying out the piping erection, current hydraulic and hydroelectric engineering need use the pipe laying device, and the pipe laying device that current hydraulic and hydroelectric engineering used is difficult to the angle adjustment of pipe laying, and the convenience is relatively poor.
In chinese utility model patent application no: CN201821456214 discloses in X a pipe burying device that hydraulic and hydroelectric engineering used, its structure includes base, telescoping device, bracing piece, rotating platform, support arm, pulley, lifting machine, couple, the utility model relates to a pipe burying device that hydraulic and hydroelectric engineering used is equipped with the telescoping device, starts the control valve through external remote controller. This buried pipe device that hydraulic and hydroelectric engineering used, under the condition of normal work, through the couple structure, it still has the unstable shortcoming of pipe connection.
Therefore, there is a need for a pipe burying device for water conservancy and hydropower engineering to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a buried pipe device that hydraulic and hydroelectric engineering used to the angle to the buried pipe is difficult to the adjustment among the present buried pipe device that the utility model discloses a hydraulic and hydroelectric engineering used who proposes among the solution above-mentioned background art, the convenience is relatively poor and to the unstable problem of pipe connection.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pipe burying device for a hydroelectric project comprises a bearing plate, wherein support columns are fixedly connected to two sides of the bottom end of the bearing plate, storage frames are arranged on two sides below the bearing plate, a connecting cylinder is fixedly connected to the middle of the bottom end of the bearing plate, a positioning plate is fixedly connected to the inside of the connecting cylinder, composite springs are fixedly connected to two sides of the bottom end of the positioning plate, a sliding layer is fixedly connected to the bottom end of each composite spring, a rotating cylinder is movably connected to the bottom end of each sliding layer, a sliding ring is arranged at the bottom end of the inside of the connecting cylinder, a rotating cylinder is movably connected to the inner side of the sliding ring, a main hydraulic rod is fixedly connected to the middle of the bottom end of the rotating cylinder, auxiliary hydraulic rods are fixedly connected to two sides of the bottom end of the rotating cylinder, a gear ring is fixedly connected to the outer side of the middle of the rotating cylinder, and a transmission gear is hinged to one side, far away from the rotating cylinder, of the gear ring, the utility model discloses a hydraulic drive mechanism, including drive gear's top fixedly connected with servo motor, the bottom fixedly connected with bottom plate of main hydraulic stem and vice hydraulic stem, the equal fixedly connected with DC motor in bottom both sides of bottom plate, DC motor's bottom fixedly connected with threaded rod, the bottom outside threaded connection of threaded rod has the screw thread sleeve, the telescopic bottom fixedly connected with of screw thread bears the seat, bear the first rotating base of the equal fixedly connected with in bottom both sides of seat, the inside swivelling joint of first rotating base has L type connecting rod, the inboard fixedly connected with snap ring of one end of first rotating base is kept away from to L type connecting rod, DC motor's outside both ends all are equipped with the reference column, the bottom fixedly connected with second rotating base of reference column, the inboard swivelling joint of second rotating base has L type connecting rod.
Preferably, the number of the support columns is four, the four support columns are symmetrically distributed on two sides of the bottom end of the bearing plate and two sides of the storage rack, and the four support columns are perpendicular to the bearing plate.
Preferably, there are two storage racks, and the two storage racks are symmetrically distributed on the inner side of the supporting column.
Preferably, the number of the auxiliary hydraulic rods is two, the two auxiliary hydraulic rods are symmetrically distributed on two sides of the main hydraulic rod, and the two auxiliary hydraulic rods are perpendicular to the bottom plate.
Preferably, the composite springs are multiple and distributed at the bottom end of the positioning plate and the top end of the sliding layer in an equidistant annular array mode, and the composite springs are perpendicular to the positioning plate and the sliding layer.
Preferably, the inner diameter of the sliding ring is equal to the diameter of the rotating cylinder, and the central line of the sliding ring and the central line of the rotating cylinder are collinear.
Preferably, the number of the positioning columns is four, the four positioning columns are symmetrically distributed on two sides of the bottom end of the bottom plate, and the center lines of the four positioning columns are parallel to the center line of the direct current motor.
Preferably, the inner diameter of the gear ring is equal to the outer diameter of the rotary drum, and the central line of the gear ring and the central line of the rotary drum are the same straight line.
(III) advantageous effects
Compared with the prior art, the utility model provides a buried pipe device that hydroelectric engineering used possesses following beneficial effect:
1. the pipe burying device for the hydroelectric engineering is arranged by matching of a connecting cylinder, a servo motor, a transmission gear, a gear ring and a composite spring, when a pipeline is clamped by a clamping ring and descends to a proper height, the servo motor is started, the servo motor drives the transmission gear to rotate, the transmission gear drives the gear ring to rotate, the gear ring drives a rotating cylinder to rotate in the connecting cylinder, the composite spring on a positioning plate extrudes a sliding layer, the sliding layer and the top end of the rotating cylinder are extruded, the friction coefficient of the bottom surface of the sliding layer is low, the friction force generated on the rotating cylinder is small, the sliding rings at the bottom ends of two sides of the rotating cylinder are matched with the sliding layer, the rotating cylinder is stably connected with the connecting cylinder, the rotating cylinder is also ensured to stably rotate under the action of the servo motor, after the pipeline is rotated to a proper angle by the rotating cylinder, the servo motor stops, and the angle adjusting effect on the pipeline is achieved, better to pipeline angle of adjustment, improved the convenience of device, guarantee to carry out the adjustment of angle to the pipeline is stable.
2. The pipe burying device for the hydropower project comprises a main hydraulic rod and an auxiliary hydraulic rod, l type connecting rod, direct current motor and threaded sleeve's cooperation setting, put the inboard of snap ring with the pipeline, start direct current motor, direct current motor drives the threaded rod rotatory, the threaded rod is rotatory to be driven the threaded sleeve and is risen, the threaded sleeve drives the longer end of L type connecting rod at first rotating base, inside rotation and rise, the turn of L type connecting rod makes the snap ring draw close each other for the rotation benchmark with the second rotating base, the snap ring draws close each other and carries out the chucking to the surface of pipeline, start main hydraulic stem and vice hydraulic stem, main hydraulic stem and vice hydraulic stem promote the bottom plate and descend, the bottom plate drives the pipeline and descends to suitable height, main hydraulic stem and vice hydraulic stem stop, reach the effect to pipeline stable connection, better remove the pipeline, the stability of device has been improved, also can carry out stable descending with the pipeline when guaranteeing to carry out stable connection to the pipeline.
Drawings
FIG. 1 is an axial view of the structure of the present invention;
FIG. 2 is a partial axial view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is a schematic partial front sectional view of the structure of the present invention.
In the figure: 1. a carrier plate; 2. a support pillar; 3. a transmission gear; 4. a storage rack; 5. a servo motor; 6. a connecting cylinder; 7. a rotating cylinder; 8. a gear ring; 9. the main hydraulic rod; 10. a base plate; 11. a secondary hydraulic stem; 12. a snap ring; 13. an L-shaped connecting rod; 14. a first rotating base; 15. a bearing seat; 16. a threaded sleeve; 17. a threaded rod; 18. a direct current motor; 19. a positioning column; 20. a second rotating base; 21. a compound spring; 22. a slip ring; 23. a sliding layer; 24. and (7) positioning the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a pipe burying device for a water conservancy project comprises a bearing plate 1, wherein two sides of the bottom end of the bearing plate 1 are fixedly connected with four support columns 2, the four support columns 2 are symmetrically distributed on two sides of the bottom end of the bearing plate 1 and two sides of a storage rack 4, the four support columns 2 are perpendicular to the bearing plate 1 to ensure stable support of the device and prevent the device from inclining during operation, the two sides of the lower part of the bearing plate 1 are provided with the storage racks 4, the two storage racks 4 are symmetrically distributed on the inner sides of the support columns 2 to ensure connection of the support columns 2 while storing a pipeline and prevent dislocation of the support columns 2, the middle part of the bottom end of the bearing plate 1 is fixedly connected with a connecting cylinder 6, and the connecting cylinder 6, a servo motor 5, a transmission gear 3, a gear ring 8 and a composite spring 21 are matched, when the pipeline is clamped by the clamping ring 12 and descends to a proper height, the servo motor 5 is started, the servo motor 5 drives the transmission gear 3 to rotate, the transmission gear 3 drives the gear ring 8 to rotate, the gear ring 8 drives the rotary cylinder 7 to rotate in the connecting cylinder 6, the composite spring 21 on the positioning plate 24 extrudes the sliding layer 23, the sliding layer 23 extrudes the top end of the rotary cylinder 7, the friction coefficient of the bottom surface of the sliding layer 23 is lower, the friction force generated on the rotary cylinder 7 is smaller, the sliding rings 22 at the bottom ends of two sides of the rotary cylinder 7 are matched with the sliding layer 23, the rotary cylinder 7 is stably connected with the connecting cylinder 6, the rotary cylinder 7 can also be ensured to stably rotate under the action of the servo motor 5, when the pipeline is rotated to a proper angle by the rotary cylinder 7, the servo motor 5 stops, the effect of adjusting the angle of the pipeline is achieved, the angle of the pipeline is better adjusted, and the convenience of the device is improved, the angle adjustment of the pipeline can be stably carried out, the positioning plate 24 is fixedly connected inside the connecting cylinder 6, the composite springs 21 are fixedly connected to two sides of the bottom end of the positioning plate 24, the composite springs 21 are multiple, the composite springs 21 are distributed at the bottom end of the positioning plate 24 and at the top end of the sliding layer 23 in an equidistant annular array mode, the composite springs 21 are perpendicular to the positioning plate 24 and the sliding layer 23, the sliding layer 23 is extruded on the top end of the rotating cylinder 7 stably, the sliding layer 23 is fixedly connected to the bottom end of the composite springs 21, the rotating cylinder 7 is movably connected to the bottom end of the sliding layer 23, the sliding ring 22 is arranged at the bottom end inside the connecting cylinder 6, the inner diameter of the sliding ring 22 is equal to the diameter of the rotating cylinder 7, the central line of the sliding ring 22 and the central line of the rotating cylinder 7 are the same straight line, and the rotating cylinder 7 is enabled to rotate stably inside the connecting cylinder 6 under the driving of the gear ring 8, the inner side of the sliding ring 22 is movably connected with a rotating cylinder 7, the middle part of the bottom end of the rotating cylinder 7 is fixedly connected with a main hydraulic rod 9, a pipeline is placed on the inner side of a clamping ring 12 through the matching arrangement of the main hydraulic rod 9, an auxiliary hydraulic rod 11, an L-shaped connecting rod 13, a direct current motor 18 and a threaded sleeve 16, the direct current motor 18 is started, the threaded rod 17 is driven to rotate by the direct current motor 18, the threaded sleeve 16 is driven to ascend by the rotation of the threaded rod 17, the threaded sleeve 16 drives the longer end of the L-shaped connecting rod 13 to rotate and ascend in a first rotating base 14, the turning part of the L-shaped connecting rod 13 takes a second rotating base 20 as a rotating reference to enable the clamping ring 12 to be close to each other, the clamping ring 12 is close to clamp the surface of the pipeline, the main hydraulic rod 9 and the auxiliary hydraulic rod 11 are started, the main hydraulic rod 9 and the auxiliary hydraulic rod 11 push a bottom plate 10 to descend, the bottom plate 10 drives the pipeline to descend to a proper height, the main hydraulic rod 9 and the auxiliary hydraulic rod 11 stop, the effect of stable connection of the pipeline is achieved, the pipeline is better moved, the stability of the device is improved, the pipeline can be stably descended when the pipeline is stably connected, two auxiliary hydraulic rods 11 are fixedly connected to two sides of the bottom end of the rotary drum 7, the two auxiliary hydraulic rods 11 are symmetrically distributed on two sides of the main hydraulic rod 9, the two auxiliary hydraulic rods 11 are perpendicular to the bottom plate 10 and assist in positioning the bottom plate 10 to prevent the bottom plate 10 and the main hydraulic rod 9 from rotating relatively, a gear ring 8 is fixedly connected to the outer side of the middle of the rotary drum 7, the inner diameter of the gear ring 8 is equal to the outer diameter of the rotary drum 7, the central line of the gear ring 8 and the central line of the rotary drum 7 are the same straight line, the rotary drum 7 is guaranteed to stably rotate under the driving of the servo motor 5, and a transmission gear 3 is hinged to one side, away from the rotary drum 7, of the gear ring 8, the top end of the transmission gear 3 is fixedly connected with a servo motor 5, the bottom ends of the main hydraulic rod 9 and the auxiliary hydraulic rod 11 are fixedly connected with a bottom plate 10, two sides of the bottom end of the bottom plate 10 are fixedly connected with a direct current motor 18, the bottom end of the direct current motor 18 is fixedly connected with a threaded rod 17, the outer side of the bottom of the threaded rod 17 is in threaded connection with a threaded sleeve 16, the bottom end of the threaded sleeve 16 is fixedly connected with a bearing seat 15, two sides of the bottom end of the bearing seat 15 are fixedly connected with a first rotating base 14, the inner part of the first rotating base 14 is in rotating connection with an L-shaped connecting rod 13, the inner side of one end of the L-shaped connecting rod 13, which is far away from the first rotating base 14, is fixedly connected with a clamping ring 12, two ends of the outer side of the direct current motor 18 are respectively provided with positioning columns 19, four positioning columns 19 are symmetrically distributed on two sides of the bottom end of the bottom plate 10, and the central lines of the four positioning columns 19 are parallel to the central line of the direct current motor 18, and a positioning reference is provided for the second rotating base 20, so that the L-shaped connecting rod 13 can rotate around the second rotating base 20 as a fixed axis, the bottom end of the positioning column 19 is fixedly connected with the second rotating base 20, and the inner side of the second rotating base 20 is rotatably connected with the L-shaped connecting rod 13.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle is as follows: when the device works, a pipeline is taken out from the storage rack 4, the pipeline is firstly placed on the inner side of the clamping ring 12, the direct current motor 18 is started, the direct current motor 18 drives the threaded rod 17 to rotate, the threaded rod 17 rotates to drive the threaded sleeve 16 to ascend, the threaded sleeve 16 drives the longer end of the L-shaped connecting rod 13 to rotate and ascend inside the first rotating base 14, the turning part of the L-shaped connecting rod 13 uses the second rotating base 20 as a rotating reference to enable the clamping rings 12 to be close to each other, the clamping rings 12 are close to each other to clamp the surface of the pipeline, the main hydraulic rod 9 and the auxiliary hydraulic rod 11 are started, the main hydraulic rod 9 and the auxiliary hydraulic rod 11 push the bottom plate 10 to descend, the bottom plate 10 drives the pipeline to descend to a proper height, the main hydraulic rod 9 and the auxiliary hydraulic rod 11 stop to achieve the effect of stable connection of the pipeline, the pipeline can be stably descended when the pipeline is stably connected, when the pipeline is clamped by the clamping rings 12 and descends to a proper height, the servo motor 5 is started, the servo motor 5 drives the transmission gear 3 to rotate, the transmission gear 3 drives the gear ring 8 to rotate, the gear ring 8 drives the rotary cylinder 7 to rotate in the connecting cylinder 6, the composite spring 21 on the positioning plate 24 extrudes the sliding layer 23, the sliding layer 23 extrudes the top end of the rotary cylinder 7, the friction coefficient of the bottom surface of the sliding layer 23 is low, the friction force generated on the rotary cylinder 7 is small, the sliding rings 22 at the bottom ends of the two sides of the rotary cylinder 7 are matched with the sliding layer 23, the rotary cylinder 7 is stably connected to the connecting cylinder 6, the rotary cylinder 7 can be ensured to stably rotate under the action of the servo motor 5, when the pipeline is rotated to a proper angle by the rotary cylinder 7, the servo motor 5 stops to achieve the effect of adjusting the angle of the pipeline, the stable angle adjustment of the pipeline is ensured, when the pipeline moves to a proper position, the snap ring 12 is loosened, the device is reset, and the pipeline is buried.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a buried pipe device that hydraulic and hydroelectric engineering used, includes loading board (1), its characterized in that: the bottom end of the bearing plate (1) is fixedly connected with supporting columns (2), the two sides below the bearing plate (1) are respectively provided with a storage frame (4), the middle part of the bottom end of the bearing plate (1) is fixedly connected with a connecting cylinder (6), the inside of the connecting cylinder (6) is fixedly connected with a positioning plate (24), the two sides of the bottom end of the positioning plate (24) are respectively fixedly connected with a composite spring (21), the bottom end of the composite spring (21) is fixedly connected with a sliding layer (23), the bottom end of the sliding layer (23) is movably connected with a rotating cylinder (7), the inside bottom end of the connecting cylinder (6) is provided with a sliding ring (22), the inner side of the sliding ring (22) is movably connected with the rotating cylinder (7), the middle part of the bottom end of the rotating cylinder (7) is fixedly connected with a main hydraulic rod (9), the two sides of the bottom end of the rotating cylinder (7) are respectively fixedly connected with an auxiliary hydraulic rod (11), the middle outer side of the rotating cylinder (7) is fixedly connected with a gear ring (8), one side of the gear ring (8) far away from the rotating cylinder (7) is hinged with a transmission gear (3), the top end of the transmission gear (3) is fixedly connected with a servo motor (5), the bottom ends of a main hydraulic rod (9) and an auxiliary hydraulic rod (11) are fixedly connected with a bottom plate (10), two sides of the bottom end of the bottom plate (10) are fixedly connected with a direct current motor (18), the bottom end of the direct current motor (18) is fixedly connected with a threaded rod (17), the bottom outer side of the threaded rod (17) is in threaded connection with a threaded sleeve (16), the bottom end of the threaded sleeve (16) is fixedly connected with a bearing seat (15), two sides of the bottom end of the bearing seat (15) are fixedly connected with a first rotating base (14), and the inner part of the first rotating base (14) is in threaded connection with an L-shaped connecting rod (13), l type connecting rod (13) are kept away from inboard fixedly connected with snap ring (12) of one end of first rotating base (14), direct current motor's (18) outside both ends all are equipped with reference column (19), the bottom fixedly connected with second rotating base (20) of reference column (19), the inboard swivelling joint of second rotating base (20) has L type connecting rod (13).
2. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the supporting columns (2) are four, the four supporting columns (2) are symmetrically distributed on two sides of the bottom end of the bearing plate (1) and two sides of the storage rack (4), and the four supporting columns (2) are perpendicular to the bearing plate (1).
3. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the number of the storage racks (4) is two, and the two storage racks (4) are symmetrically distributed on the inner side of the supporting column (2).
4. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the hydraulic control system is characterized in that the number of the auxiliary hydraulic rods (11) is two, the two auxiliary hydraulic rods (11) are symmetrically distributed on two sides of the main hydraulic rod (9), and the two auxiliary hydraulic rods (11) are perpendicular to the bottom plate (10).
5. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the composite springs (21) are arranged in a plurality of numbers, the composite springs (21) are distributed at the bottom end of the positioning plate (24) and the top end of the sliding layer (23) in an equidistant annular array, and the composite springs (21) are vertical to the positioning plate (24) and the sliding layer (23).
6. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the inner diameter of the sliding ring (22) is equal to the diameter of the rotating cylinder (7), and the central line of the sliding ring (22) and the central line of the rotating cylinder (7) are in the same straight line.
7. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the number of the positioning columns (19) is four, the four positioning columns (19) are symmetrically distributed on two sides of the bottom end of the bottom plate (10), and the center lines of the four positioning columns (19) are parallel to the center line of the direct current motor (18).
8. A pipe burying device for water conservancy and hydropower engineering according to claim 1, wherein: the inner diameter of the gear ring (8) is equal to the outer diameter of the rotating cylinder (7), and the central line of the gear ring (8) and the central line of the rotating cylinder (7) are the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120001948.4U CN214368158U (en) | 2021-01-04 | 2021-01-04 | Pipe burying device for hydraulic and hydroelectric engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120001948.4U CN214368158U (en) | 2021-01-04 | 2021-01-04 | Pipe burying device for hydraulic and hydroelectric engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214368158U true CN214368158U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120001948.4U Withdrawn - After Issue CN214368158U (en) | 2021-01-04 | 2021-01-04 | Pipe burying device for hydraulic and hydroelectric engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN214368158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111432A (en) * | 2022-07-05 | 2022-09-27 | 合肥海博工程设计集团有限公司 | Urban rainwater sewage pipe network construction is with placing structure |
-
2021
- 2021-01-04 CN CN202120001948.4U patent/CN214368158U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111432A (en) * | 2022-07-05 | 2022-09-27 | 合肥海博工程设计集团有限公司 | Urban rainwater sewage pipe network construction is with placing structure |
| CN115111432B (en) * | 2022-07-05 | 2023-08-08 | 合肥海博工程设计集团有限公司 | Urban rainwater sewage pipe network construction is with placing structure |
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