CN215979744U - Buoyancy water lifting device for water conservancy and hydropower - Google Patents
Buoyancy water lifting device for water conservancy and hydropower Download PDFInfo
- Publication number
- CN215979744U CN215979744U CN202121835360.5U CN202121835360U CN215979744U CN 215979744 U CN215979744 U CN 215979744U CN 202121835360 U CN202121835360 U CN 202121835360U CN 215979744 U CN215979744 U CN 215979744U
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- water
- base
- rope
- groove
- wheel
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- Withdrawn - After Issue
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000007667 floating Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 210000003781 tooth socket Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Classifications
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The utility model discloses a buoyancy water lifting device for water conservancy and hydropower, which comprises a base, an air bag, a moving wheel, an anti-falling rope, a retaining ring, an extrusion wheel, a filtering plugboard, a closed plugboard, a bottom arc groove, a spring and a resisting plate, wherein the amphibious purpose of the device is met through the base, the air bag, the bottom groove, a bottom rotating plate, the moving wheel and an anti-sliding bulge, so that the device can be moved on land conveniently to transfer and can also be adaptive to water lifting at different water levels in floating water; the device is locked at the bank side through the anti-drop rope and the retaining ring to avoid the phenomenon that the device floats too far and is not easy to recover, and the anti-drop rope is tidied by utilizing a chain wheel, a gear set and an extrusion wheel to avoid influence on adaptation due to knotting; the water lifting process is filtered through the filtering plugboard, so that the cleanness of the lifted water body is ensured; the closed inserting plate is inserted into the bottom of the movable wheel to separate the bottom of the movable wheel from splashing water through the closed inserting plate, the bottom arc groove, the spring and the abutting plate after the movable wheel is retracted.
Description
Technical Field
The utility model relates to the technical field of water conservancy water taking, in particular to a buoyancy water lifting device for water conservancy and hydropower.
Background
Water is the most basic living resource on which people live, plays an extremely important role in the survival and development of human society, is reformed and opened, and along with the continuous progress of China's society, the continuous perfection of basic construction and the continuous development of water conservancy facilities, the production and living requirements of people at present are met, and the water conservancy project also has an important role.
In water conservancy and hydropower cause, often carry out the operation of carrying out the water lift, traditional water lift device single structure, inefficiency, and adopt fixed mode to utilize the mount to fix the device more, fixed knot constructs the mode can't satisfy the different demands in service area such as rivers, lakes and seas, and the region that changes often appears in the water level when being special, recycles the manual work according to the demand difference in the use and adjusts it, not only consumes manpower and materials, and efficiency is also comparatively low.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model discloses a buoyancy water lifting device for water conservancy and hydropower, which adopts the technical scheme that the buoyancy water lifting device comprises a mounting seat, a base, fixing rings, a retaining ring, an anti-falling rope, a rope adjusting device, a temporary water storage tank, a water pipe placing area, a handle mounting frame, a handle, a balancing weight, a control device, a mounting frame, a winding machine, a four-claw grabbing part, a water pump, a through groove, a water inlet filtering structure, a bottom moving structure and a floating structure, wherein the base is arranged at the bottom of the mounting seat and used for mounting the floating structure and the bottom moving structure, the through groove is formed in the centers of the mounting seat and the base, the water lifting part falls down from the through groove, the two fixing rings are fixed on the right side surface of the mounting seat, the retaining ring is matched with the fixing rings for fixing, the anti-falling rope connected with the other end of the retaining ring is used for locking at the bank side to prevent the device from floating too far and being incapable of being withdrawn, a rope adjusting device is arranged between the anti-dropping ropes, the rope is adjusted by using the rope adjusting device in the using process to avoid the knotting situation, the use is influenced, a mounting frame is arranged in the middle of the mounting seat, an temporary water storage tank is arranged on the right side to temporarily keep water lifting, a water pipe placing area is arranged above the temporary water storage tank, water pipes communicated with the water lifting part are orderly rolled and placed, a handle mounting frame is fixed on the upper surface of the right side of the base and is movably provided with a handle, the position of the handle can be adjusted by adopting a movable mounting mode to be convenient to grab and use, a balancing weight is arranged on the upper surface of the left side of the mounting seat and is provided with a control device for controlling various electrical elements used in the device, a rolling machine is arranged on the mounting frame, the output end of the rope stretches downwards and is connected with a water pump through a four-claw grabbing part at the end of the rope, a water inlet filtering structure is arranged around a water inlet pipeline at the lower part of the water pump, and filtering the water pumping process.
The rope adjusting device comprises an adjusting motor, a transmission shaft, a gear set and extrusion wheels, wherein the anti-falling rope is sleeved with an installation rod, the adjusting motor is arranged on the installation rod, the output end of the adjusting motor drives the gear set, the transmission shaft is driven by the gear set, the extrusion wheels are fixed at the lower part of the transmission shaft to clamp the anti-falling rope, and the extrusion wheels are driven to rotate under the rotation of the transmission shaft, and meanwhile, the extrusion wheels at two sides move along the anti-falling rope under the extrusion of the extrusion wheels.
As a preferred technical scheme of the utility model, the water pipe placing area comprises a placing disc, a guide post, a guide pulley and a rotating gear, wherein a water inlet pipeline is arranged on the temporary water storage tank, the end part of the pipeline is sleeved with the placing disc, the center of the pipeline is communicated with the temporary water storage tank, the placing disc is provided with the guide post for placing the water pipe in a rolling manner, the bottom of the placing disc is provided with a convex tooth socket which is meshed with the gear arranged on the temporary water storage tank, and the placing disc is ensured to rotate more stably so as to facilitate the rolling and discharging of the water pipe.
As a preferred technical scheme of the utility model, the water inlet filtering structure comprises a filtering box and a filtering inserting plate, wherein the filtering box is fixed on the output part of the water pump and is communicated in the left-right direction, the left side and the right side of the front side of the filtering box are provided with grooves, the filtering inserting plate is inserted into the grooves to filter the entering water, and the filtering inserting plate can be drawn out to clean the filtering inserting plate to ensure the normal filtering function of the filtering inserting plate.
As a preferred technical scheme of the utility model, the bottom moving structure comprises a bottom groove, a bottom rotating plate, a moving wheel and an anti-skid protrusion, the bottom groove is formed in the bottom surface of the base, the bottom rotating plate is rotatably installed in the bottom groove, the other end of the bottom rotating plate is provided with a notch, the moving wheel is installed in the notch, when the land movement is needed, the moving wheel is moved out to be in contact with the ground so as to be assembled and moved, and the anti-skid protrusion is arranged on the moving wheel so as to improve the land movement stability.
As a preferable technical scheme of the utility model, the floating structure comprises an air bag, a side rotating plate and a propeller, wherein the lower surface of the base is provided with a notch in which the air bag is installed and is inflated by an air pump, the left side surface of the base is rotatably provided with the side rotating plate, and the end part of the base is provided with the propeller to realize floating and moving in water.
As a preferred technical scheme of the utility model, the bottom moving structure is isolated in water by a closed structure and specifically comprises a closed inserting plate, a corresponding groove, a bottom arc groove, a spring and a resisting plate, wherein the front side of the base is provided with an opening which is inserted into the closed inserting plate through the opening, the position of the closed inserting plate corresponding to the through groove when the corresponding groove is inserted is arranged on the closed inserting plate, the bottom surface of the base is provided with the bottom arc groove, the spring is arranged in the bottom arc groove, the resisting plate is fixed at the lower end part of the bottom arc groove, and the bottom arc groove is resisted after the closed inserting plate is inserted.
The utility model has the beneficial effects that: the amphibious device can be moved on land to facilitate the transfer of the device and can also be used for water lifting of different water levels in floating water by meeting the amphibious requirement of the device through the base, the air bag, the bottom groove, the bottom rotating plate, the moving wheels and the anti-skid protrusions; the device is locked at the bank side through the anti-drop rope and the retaining ring to avoid the phenomenon that the device floats too far and is not easy to recover, and the anti-drop rope is arranged by utilizing the transmission shaft, the gear set and the extrusion wheel to avoid influence on adaptation due to knotting; the water lifting process is filtered through the filtering plugboard, so that the cleanness of the lifted water body is ensured; through closed picture peg, bottom circular arc groove, spring, support tight board and withdraw the back at the removal wheel and insert closed picture peg and carry out the separation to the bottom and avoid the water to enter into the bottom groove at the device and wet land moving part influence later stage and use in aquatic removal in-process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of a part of the structure of the present invention.
In the figure: the device comprises a mounting seat 1, a base 2, a fixing ring 3, a retaining ring 4, an anti-falling rope 5, a rope adjusting device 6, an adjusting motor 61, a transmission shaft 62, a gear set 63, an extrusion wheel 64, a temporary water storage tank 7, a placing disc 8, a guide post 9, a guide pulley 10, a rotating gear 11, a handle mounting frame 12, a handle 13, a balancing weight 14, a control device 15, a mounting frame 16, a winding machine 17, a four-claw grabbing portion 18, a water pump 19, a through groove 20, a filter box 21, a filter inserting plate 22, a closed inserting plate 23, a corresponding groove 24, an air bag 25, a side rotating plate 26, a propeller 27, a bottom groove 28, a bottom rotating plate 29, a moving wheel 30, an anti-sliding protrusion 31, a bottom arc groove 32, a spring 33 and a butting plate 34.
Detailed Description
Example 1
As shown in figures 1 to 3, the utility model discloses a buoyancy water lifting device for water conservancy and hydropower, which adopts the technical scheme that the buoyancy water lifting device comprises a mounting seat 1, a base 2, a fixing ring 3, a retaining ring 4, an anti-falling rope 5, a rope adjusting device 6, a temporary water storage tank 7, a water pipe placing area, a handle mounting frame 12, a handle 13, a balancing weight 14, a control device 15, a mounting frame 16, a winding machine 17, a four-claw grabbing part 18, a water pump 19, a through groove 20, a water inlet filtering structure, a bottom moving structure and a floating structure, wherein the base 2 is arranged at the bottom of the mounting seat 1, the bottom moving structure and the floating structure are arranged below the base 2, the bottom moving structure can be used for transferring on land, the floating structure can float on the water surface to adapt to use positions with different water levels, the through grooves 20 are formed in the centers of the mounting seat 1 and the base 2, so that a water lifting part extends down from the through grooves to enter a water body to normally work, two fixing rings 3 are fixed on the right side of the mounting seat 1 and are matched with retaining rings 4, the other end of each retaining ring 4 is connected with an anti-falling rope 5, the device can be tightened on the bank by using the anti-falling rope 5 to avoid the situation that the device floats too far and is inconvenient to withdraw, a rope adjusting device 6 is arranged between the anti-falling ropes 5 to avoid the anti-falling rope 5 from knotting and adjust the anti-falling rope, a mounting frame 16 is arranged in the middle of the mounting seat 1, a temporary water storage tank 7 is arranged on the right side, a water pipe placing area is arranged above the temporary water storage tank 7, a handle mounting frame 12 is fixed on the right side of the base 2, a handle 13 is movably arranged in the handle mounting frame 12, the handle 13 can be pulled out to different positions according to the difference of users for convenient use, a balancing weight 14 is arranged on the left side of the mounting seat 1, a control device 15 is arranged on the upper portion of the mounting seat for controlling various electrical elements, and the balancing weight 16 keeps the balance of the mounting seat 1 in water, a winding machine 17 is installed on the installation frame 16, an output end connecting rope extends downwards, the end part of the output end of the winding machine is connected with a water pump 19 through a four-claw grabbing part 18, and a water inlet filtering structure is installed around a water inlet pipeline at the lower part of the water pump 19 to filter the water pumping process.
In a preferred embodiment of the present invention, the anti-slip rope 5 is sleeved with a mounting rod, and an adjusting motor 61 is provided thereon to drive a gear set 63, a transmission shaft 62 is driven by the gear set 63, and a squeezing wheel 64 is fixed to the lower portion of the transmission shaft, and the anti-slip rope 5 is clamped by the squeezing wheel 64 and runs along the anti-slip rope 5 when the motor operates.
As a preferred technical scheme of the utility model, the temporary water storage tank 7 is provided with a water inlet pipeline, the end part of the pipeline is sleeved with the placing disc 8, the center of the placing disc is communicated with the temporary water storage tank 7 and is communicated with the temporary water storage tank 7, the placing disc 8 is provided with a guide post 9 for rolling and placing a water pipe, and the bottom of the placing disc 8 is provided with a convex tooth socket which is meshed with a gear 11 arranged on the temporary water storage tank 7 to ensure the stability of the rotation process of the placing disc.
In a preferred embodiment of the present invention, a filter box 21 is fixed to an output portion of the water pump 19, and penetrates right and left sides thereof, and a filter insert plate 22 is inserted into the filter box 21 having a groove formed in right and left sides thereof at a front side thereof to filter water introduced therein.
As a preferred technical scheme of the utility model, the bottom surface of the base 2 is provided with a bottom groove 28 in which a bottom rotating plate 29 is rotatably mounted, the other end is provided with a notch in which a moving wheel 30 is mounted for land movement, and the moving wheel 30 is provided with an anti-skid projection 31 to improve the movement stability.
In a preferred embodiment of the present invention, the lower surface of the base 2 has a notch in which an air bag 25 is installed and inflated by an air pump to float in water, and the left side surface of the base 2 is rotatably installed with a side rotating plate 26 and a propeller 27 is installed at an end thereof to move in water.
As a preferred technical scheme of the utility model, the front side of the base 2 is provided with an opening for inserting the closed inserting plate 23 through the opening, the corresponding groove 24 is formed on the front side of the base and corresponds to the position of the through groove 20, the bottom surface of the base 2 is provided with a bottom arc groove 32, a spring 33 is installed in the bottom arc groove, and the lower end part of the bottom arc groove is fixed with a pressing plate 34 for pressing the inserted closed inserting plate 23.
The working principle of the utility model is as follows: when the device is used, the handle 13 is pulled out of the proper position of the handle mounting frame 12 according to the actual requirement of a user, the handle 13 is utilized to transfer and move the whole device on the land under the action of the moving wheel 30, the arranged anti-skidding protrusions 31 ensure the stability of the operation process of the device, the device is moved to the shore, the moving wheel 30 is retracted into the groove 28 and the air bag 25 is inflated, then the closed inserting plate 23 is inserted into the base 2 to separate the placing area of the moving wheel 30 to avoid splashing, the abutting plate 34 abuts against and seals the closed inserting plate 23 under the elastic force of the spring 33, the device is placed in the water, one end of the anti-skidding rope 5 is fixed in the fixing ring 3 through the retaining ring 4, the other end of the anti-skidding rope 5 is tied on a fixed object on the shore to place the anti-skidding rope to float for a long time and be inconvenient to be recycled, the anti-skidding rope 5 is avoided under the movement of the extrusion wheel 64, in the water, the water knotting process, the rope is loosened by the winding machine 17, the water pumping machine 19 and the filter box 21 are moved downwards to the water, water is pumped, in the process, the filter box 20 filters the water body through the filter inserting plate 22, the filter box can be taken out after being used for a period of time to be cleaned, the filtering effect is guaranteed, in the descending process, the water pipe extends out under the rotation of the placing disc 8, the guide post 9 and the guide pulley 10 to adapt to the descending height of the water pump 19, and when the water pipe is withdrawn, the rotating gear 11 rotates to drive the placing disc 8 to rotate to roll the water pipe, so that the water pipe is convenient to place.
The circuit connections involved in the present invention are conventional means employed by those skilled in the art, can be technically inspired by limited trials, and are widely used prior art.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a water conservancy is buoyancy water lift device for water and electricity which characterized in that: the water pumping device comprises a mounting seat (1), a base (2), a fixing ring (3), a retaining ring (4), an anti-falling rope (5), a rope adjusting device (6), a temporary water storage tank (7), a water pipe placing area, a handle mounting frame (12), a handle (13), a balancing weight (14), a control device (15), a mounting frame (16), a winding machine (17), a four-claw grabbing part (18), a water pump (19), a through groove (20), a water inlet filtering structure, a bottom moving structure and a floating structure; the bottom of the mounting seat (1) is provided with a base (2); a through groove (20) is formed in the centers of the mounting seat (1) and the base (2); two fixing rings (3) are fixed on the right side surface of the mounting seat (1); the retaining ring (4) is matched with the fixing ring (3); the other end of the retaining ring (4) is connected with an anti-falling rope (5); a rope adjusting device (6) is arranged between the anti-falling ropes (5); the middle part of the mounting seat (1) is provided with a mounting rack (16), and the right side is provided with a temporary water storage tank (7); a water pipe placing area is arranged above the temporary water storage tank (7); a handle mounting rack (12) is fixed on the right upper surface of the base (2) and a handle (13) is movably mounted in the handle mounting rack; the upper surface of the left side of the mounting seat (1) is provided with a balancing weight (14) and the upper part of the balancing weight is provided with a control device (15); a winding machine (17) is arranged on the mounting rack (16), and the output end of the winding machine is connected with a rope and extends downwards; the end part of the output rope of the winding machine (17) is connected with a water pump (19) through a four-claw grabbing part (18); an inlet water filtering structure is arranged around the inlet water pipeline at the lower part of the water pump (19); the bottom of the base (2) is provided with a bottom moving structure and a floating structure.
2. The buoyancy water lifting device for water conservancy and hydropower according to claim 1, which is characterized in that: the rope adjusting device (6) comprises an adjusting motor (61), a transmission shaft (62), a gear set (63) and a squeezing wheel (64); the anti-falling rope (5) is sleeved with an installation rod and is provided with an adjusting motor (61); the output end of the adjusting motor (61) drives a gear set (63); the transmission shaft (62) rotates through a gear set (63); and a squeezing wheel (64) is fixed at the lower part of the transmission shaft (62) to clamp the anti-dropping rope (5).
3. The buoyancy water lifting device for water conservancy and hydropower according to claim 1, which is characterized in that: the water pipe placing area comprises a placing disc (8), a guide post (9), a guide pulley (10) and a rotating gear (11); the temporary water storage tank (7) is provided with a water inlet pipeline, and the end part of the pipeline is sleeved with a placing disc (8); the upper center of the placing disc (8) is communicated with the temporary water storage tank (7); a guide column (9) is arranged on the placing disc (8); the bottom of the placing disc (8) is provided with a convex tooth socket which is meshed with a gear (11) arranged on the temporary water storage tank (7).
4. The buoyancy water lifting device for water conservancy and hydropower according to claim 1, which is characterized in that: the water inlet filtering structure comprises a filtering box (21) and a filtering inserting plate (22); a filter box (21) is fixed on the output part of the water pump (19); the interior of the filter box (21) is communicated; the front side of the filter box (21) is provided with a groove at the left and the right, and a filter inserting plate (22) is inserted into the groove.
5. The buoyancy water lifting device for water conservancy and hydropower according to claim 1, which is characterized in that: the bottom moving structure comprises a bottom groove (28), a bottom rotating plate (29), a moving wheel (30) and an anti-skid protrusion (31); the bottom surface of the base (2) is provided with a bottom groove (28) in which a bottom rotating plate (29) is rotatably arranged; the other end of the bottom rotating plate (29) is provided with a notch and a moving wheel (30) is installed in the notch; the moving wheel (30) is provided with anti-skid protrusions (31).
6. The buoyancy water lifting device for water conservancy and hydropower according to claim 1, which is characterized in that: the floating structure comprises an air bag (25), a side rotating plate (26) and a propeller (27); the lower surface of the base (2) is provided with a notch in which an air bag (25) is arranged and is inflated by an air pump; a side rotating plate (26) is rotatably mounted on the left side surface of the base (2), and a propeller (27) is mounted on the end portion of the side rotating plate.
7. The buoyancy water lifting device for water conservancy and hydropower according to claim 5, which is characterized in that: the bottom moving structure is blocked by a closed structure in water; the sealing structure comprises a sealing inserting plate (23), a corresponding groove (24), a bottom arc groove (32), a spring (33) and a propping plate (34); the front side of the base (2) is provided with an opening through which a closed inserting plate (23) is inserted; a corresponding groove (24) is formed in the closed inserting plate (23); the bottom surface of the base (2) is provided with a bottom arc groove (32) and a spring (33) is arranged in the bottom arc groove; the lower end part of the spring (33) is fixed with a propping plate (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121835360.5U CN215979744U (en) | 2021-08-07 | 2021-08-07 | Buoyancy water lifting device for water conservancy and hydropower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121835360.5U CN215979744U (en) | 2021-08-07 | 2021-08-07 | Buoyancy water lifting device for water conservancy and hydropower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979744U true CN215979744U (en) | 2022-03-08 |
Family
ID=80575345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121835360.5U Withdrawn - After Issue CN215979744U (en) | 2021-08-07 | 2021-08-07 | Buoyancy water lifting device for water conservancy and hydropower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498237A (en) * | 2023-05-16 | 2023-07-28 | 盐城市弘通石油机械有限公司 | Hydraulic anchor with function of preventing fluke from blocking |
-
2021
- 2021-08-07 CN CN202121835360.5U patent/CN215979744U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498237A (en) * | 2023-05-16 | 2023-07-28 | 盐城市弘通石油机械有限公司 | Hydraulic anchor with function of preventing fluke from blocking |
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Granted publication date: 20220308 Effective date of abandoning: 20240422 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20220308 Effective date of abandoning: 20240422 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |