CN220166830U - Hydraulic engineering flood prevention gate - Google Patents
Hydraulic engineering flood prevention gate Download PDFInfo
- Publication number
- CN220166830U CN220166830U CN202321412900.8U CN202321412900U CN220166830U CN 220166830 U CN220166830 U CN 220166830U CN 202321412900 U CN202321412900 U CN 202321412900U CN 220166830 U CN220166830 U CN 220166830U
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- gate
- support frame
- dam body
- flood prevention
- hydraulic engineering
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- 230000002265 prevention Effects 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 52
- 238000007789 sealing Methods 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 40
- 238000007710 freezing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005188 flotation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a hydraulic engineering flood prevention gate, which comprises a dam body, wherein limit grooves are symmetrically arranged on two sides of the dam body, an antifreezing device is connected to the limit grooves, a first chute and a second chute are arranged on the dam body, a filtering device is connected to the first chute, a gate is arranged in the second chute, a support frame is arranged above the gate, a fixing frame is symmetrically arranged above the support frame, a rope wheel is arranged in the fixing frame, a steel cable is arranged on the rope wheel, a fixing clamp is arranged below the steel cable, a filtering device is connected to the lower part of the fixing clamp, the other fixing frame is connected with the gate, one side of the rope wheel is connected with a forward and reverse rotating motor, the other side of the rope wheel is connected with a manual device, the antifreezing device comprises a hollow pipe, an air pump, an air pipe and a limit clamp, the hollow pipe is arranged on the limit clamp, the limit clamp is arranged in the limit groove, the air pump is arranged on the dam body, the output end of the air pump is connected with the hollow pipe through the air pipe, and the side wall of the hollow pipe is provided with an air hole.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering flood prevention gate.
Background
Because of the influence of weather and rainfall, partial cities and rural areas can be influenced by flood, flood prevention facilities need to be built in order to prevent the influence of flood, in the current flood prevention facilities, most common flood prevention gates can control water level, prevent flood, adjust water flow and the like, but domestic garbage, pasture and the like are often mixed in river water, water sources can be polluted after the sundries are rotten, partial pollutants can enter gate grooves to influence normal work, partial gates do not have buffer function, cannot withstand the flowing power of water, and damage to internal parts is caused.
When the air temperature of the gate is low, the anti-freezing effect of the gate is also required to a certain extent, the existing gate anti-freezing technology mainly comprises a water jet method and a bubble method, the existing bubble method is to pre-embed an exhaust valve at the bottom of the gate and then connect an air pump, when the air temperature is low, air bubbles are discharged to the water surface to disturb the water surface, so that the anti-freezing effect is achieved, but when the water surface rises, the anti-freezing effect is difficult to achieve.
The existing gate is controlled by adopting a motor, when the flood season is temporary, emergency situations of power failure can be met, some electric equipment cannot operate at the time, if the motor is simply used as a power outlet end, the gate cannot be opened and closed timely, and the effect of the flood control gate during the flood season can be influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a hydraulic engineering flood prevention gate.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an engineering flood prevention gate in water, includes the dam body, dam body both sides symmetry is equipped with the spacing groove, spacing groove department is connected with freeze-proof device, be equipped with first spout and second spout in the dam body, first spout internal connection has filter equipment, be equipped with the gate in the second spout, the gate top is equipped with the support frame, the support frame top is equipped with the mount, support frame top symmetry is equipped with the rope sheave, the rope sheave passes through the mount and installs on the support frame top, rope sheave one side is equipped with positive and negative rotation motor, positive and negative rotation motor output is connected with rope sheave one side, the motor is installed on the support frame top, the rope sheave opposite side is connected with manual transmission device, be equipped with the steel cable on the rope sheave, steel cable one end is equipped with the fixation clamp, and one of them fixation clamp is installed on the gate, and another fixation clamp is connected on filter equipment top, freeze-proof device includes hollow tube, air pump, trachea, spacing clamp, air pump are installed in the dam body top, the hollow tube passes through the trachea and is connected with the air pump output, the hollow tube lateral wall has seted up the gas pocket through the fixation clamp and limit fit with the dam body.
Preferably, the hollow tube side wall is equipped with the sealing ring, and the sealing ring is soft rubber material, the outside of sealing ring is equipped with the clamp, and the cooperation of sealing ring and clamp is used and is not had the river water to get into in the hollow tube when having not gaseous in the hollow tube.
In a further preferred embodiment, a pontoon is arranged above the hollow tube, the pontoon is detachably connected above the hollow tube by bolts, and the pontoon is arranged to ensure that the anti-freezing device can play a role when the water surface rises.
In a further preferred aspect, the filtering device includes a filter plate and a protection plate, the filter plate is disposed in the second groove, the protection plate is fixedly connected to one side of the filter plate, the protection plate and the filter plate are provided with filtering holes, sundries can be prevented from entering the gate slot by the filter plate and the protection plate, and the filtering holes can refine water flow to play a buffering role.
In a further preferred mode, a collecting box is arranged on one side of the filter plate, filter holes are formed in the side wall and the bottom of the collecting box, limiting rods are symmetrically arranged on the side wall of the collecting box, the collecting box is connected with the filter plate through the limiting rods, sundries on the water surface can be salvaged by the collecting box, and the collecting box can be detached by the aid of the limiting rods, so that workers can conveniently clean sundries in the collecting box.
In a further preferred embodiment, the manual transmission device includes a handle, a transmission disc, a transmission belt and a transmission rod, wherein the transmission disc is arranged on one side of the support frame, the handle is arranged on the transmission disc, the transmission disc is connected with one side of the transmission belt and one side of the transmission rod, the other side of the transmission rod is connected with the rope pulley, the transmission rod is arranged on the top end of the support frame through a fixing frame, and the manual transmission device can ensure that the flood prevention gate still can play a due role in the outage period.
In a further preferred embodiment, the air pump and the top end of the support frame are provided with protective covers, which can protect these devices from rain.
Compared with the prior art, the utility model provides a hydraulic engineering flood prevention gate, which comprises the following components
The beneficial effects are that:
the filter and the guard plate can prevent debris from directly entering the gate slot, the setting of filtration pore can filter debris out on the one hand, on the other hand can refine rivers, reach the effect of a buffering, the collecting box that the filter below was equipped with can be when the filter rises, directly drag for debris totally, the filtration pore of seting up of collecting box lateral wall and bottom, can filter river out, only stay debris in the collecting box, adopt and can dismantle with the gag lever post and connect, make things convenient for the staff to dismantle the collecting box when the filter rises, make things convenient for the staff to clear away various debris in the collecting box.
Through freeze-proof device's setting up, the air pump is through the air pipe to the intraductal infusion air of hollow, the sealing ring can be pushed up to the air, become bubble from the gap and float to the surface of water to reach freezing prevention effect, connect the flotation pontoon in the hollow top, and adopt spacing groove and spacing clamp to connect on the dam body lateral wall, when the surface of water rises, the flotation pontoon can rise along with the surface of water, it can drive the hollow come-up, consequently the hollow tube of sinking in the aquatic is invariable with the difference in height of surface of water all the time, thereby when the surface of water rises, also can provide fine frost resistance.
The forward and reverse rotating motor is used as a power output end, original power equipment is reserved, the motor can still be used under the condition of no power failure, and the manual transmission device is further arranged, so that even under the condition of power failure, the gate can be normally opened and closed by the manual transmission device, and the flood prevention gate can still play a role under the condition of power failure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the protective cover removed in the present utility model;
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3;
FIG. 5 is a schematic view of a portion of a hollow tube according to the present utility model;
fig. 6 is a partially enlarged schematic structural view of fig. 5 at C.
In the figure: 1. a dam body; 2. a limit groove; 3. a first chute; 4. a second chute; 5. a gate; 6. a support frame; 7. a fixing frame; 8. a rope pulley; 9. a forward and reverse rotation motor; 10. a wire rope; 11. a fixing clamp; 12. a hollow tube; 13. an air pump; 14. an air pipe; 15. a limiting clamp; 16. air holes; 17. a seal ring; 18. a clamp; 19. a pontoon; 20. a filter plate; 21. a protection plate; 22. a filter hole; 23. a collection box; 24. a limit rod; 25. a handle; 26. a drive plate; 27. a transmission belt; 28. a transmission rod; 29. and a protective cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1 to 6, in an embodiment of the present utility model:
the utility model provides an engineering flood prevention gate in water, includes dam body 1, dam body 1 bilateral symmetry is equipped with spacing groove 2, spacing groove 2 department is connected with freeze-proof device, be equipped with first spout 3 and second spout 4 in the dam body 1, first spout 3 department is connected with filter equipment, be equipped with gate 5 in the second spout 4, gate 5 top is equipped with support frame 6, support frame 6 top is equipped with mount 7, support frame 6 top symmetry is equipped with rope pulley 8, rope pulley 8 passes through mount 7 and installs on support frame 6 top, rope pulley 8 one side is equipped with forward and reverse motor 9, forward and reverse motor 9 output and rope pulley 8 one side are connected, forward and reverse motor 9 installs on support frame 6 top, the rope pulley 8 opposite side is connected with manual transmission device, be equipped with steel cable 10 on the rope pulley 8, steel cable 10 one end is equipped with fixation clamp 11, and one of them fixation clamp 11 is installed on gate 5, and another fixation clamp 11 is connected on filter equipment top, freeze-proof device includes hollow tube 12, 13, air pipe 14 and spacing clamp 15, the air pump 1 is installed on the support frame 6 top, 13 and is equipped with through the air pump 12 and air pump 12 side through the air pump 12, the hollow tube 12 is connected with air pump 16, the hollow tube is connected with the hollow tube 1 side through 13, and the air pump 12 is connected with the hollow tube 1.
In the embodiment of the utility model, the side wall of the hollow tube 12 is provided with the sealing ring 17, the sealing ring 17 is made of soft rubber, the outer side of the sealing ring 17 is provided with the clamp 18, when the inside of the hollow tube 12 has larger air pressure, the sealing ring 17 is jacked up to cause deformation to enter the clamping groove of the clamp 18, and when the inside of the hollow tube 12 does not have larger air pressure, the sealing ring 17 can keep a sealing state to block the air hole 16.
In the embodiment of the utility model, the pontoon 19 is arranged above the hollow tube 12, the pontoon 19 is detachably connected above the hollow tube 12 through bolts, and when the water surface rises, the pontoon 19 can rise along with the water surface and drive the hollow tube 12 to float upwards, so that the hollow tube 12 always keeps an effective distance from the water surface.
In the embodiment of the utility model, the filtering device comprises a filtering plate 20 and a protection plate 21, the filtering plate 20 is arranged in the second chute 4, the protection plate 21 is fixedly connected to one side of the filtering plate 20, the filtering plate 21 and the filtering plate 20 are provided with filtering holes 22, when sundries follow the river water to flow to the front of the flood prevention gate, the filtering plate 20 can block the sundries, the river water can flow from the filtering holes 22 to the gate 5, and the protection plate 21 prevents the sundries from entering the gate slot at the side of the filtering plate 20.
In the embodiment of the utility model, a collecting box 23 is arranged at one side of the filter plate 20, filter holes 22 are formed in the side wall and the bottom of the collecting box 23, limit rods 24 are symmetrically arranged on the side wall of the collecting box 23, the collecting box 23 is connected with the filter plate 20 through the limit rods 24, the collecting box 23 is driven to rise together when the filter plate 20 rises, sundries in water are fished up by the collecting box 23, river water flows out of the filter holes 22, when the collecting box 23 rises above the water surface, the limit rods 24 at two sides can be taken out, so that the collecting box 23 is removed, and after sundries in the collecting box 23 are removed, the collecting box 23 is arranged in front of the filter plate 20 through the limit rods 24.
In the embodiment of the utility model, the manual transmission device comprises a handle 25, a transmission disc 26, a transmission belt 27 and a transmission rod 28, wherein the transmission disc 26 is arranged on one side of the support frame 6, the handle 25 is arranged on the transmission disc 26, the transmission disc 26 is connected with one side of the transmission rod 28 through the transmission belt 27, the other side of the transmission rod 28 is connected with the rope pulley 8, the transmission rod 27 is arranged at the top end of the support frame 6 through the fixing frame 7, when the equipment is powered off, only the handle 25 is needed to be held to rotate the transmission disc 26, the transmission rod 28 is driven to rotate through the transmission belt 27, and then the rope pulley 8 on the other side is driven to rotate through the transmission rod 28, so that the lifting of the gate 5 and the filter plate 20 is realized.
In the embodiment of the utility model, the top ends of the air pump 13 and the supporting frame 6 are both provided with the protective cover 29, and when raining in nature is met, the protective cover 29 can prevent the equipment from being corroded, so that the service life is prolonged.
Example 2:
referring to fig. 1 to 6, in an embodiment of the present utility model:
during installation, firstly, the gate 5 is installed in the second chute 4 arranged on the dam body 1, then the filter plate 20 is installed in the first chute 3 arranged on the dam body 1, then the collecting box 23 is connected to the filter plate 20 through the limiting rod 24, then the sealing ring 17 is sleeved on the air hole 16 formed in the side wall of the hollow pipe 12, then the clamp 18 is installed on the outer side of the sealing ring 17, then the floating barrel 19 is connected above the hollow pipe 12, then the hollow pipe 12 is installed in the limiting clamp 15, then the limiting clamp 15 is installed in the limiting grooves 2 formed in the two sides of the dam body 1, then the supporting frame 6 is installed at the top end of the dam body 1, then the air pump 13 is installed at the two ends of the supporting frame 6, then the output end of the air pump 13 is connected with one end of the hollow pipe 12 through the air pipe 14, then the rope pulley 8 is installed on the fixing frame 7, the fixing frame 7 is symmetrically arranged at the top end of the supporting frame 6, one end of the rope pulley 8 is connected with the output end of the forward and backward rotating motor 9, the two rope pulleys 8 are respectively wound with the steel cable 10, one end of the steel cable 10 is provided with the fixing clip 11, one fixing clip 11 is connected with the top end of the filter plate 20, the other fixing clip 11 is connected with the top end of the gate 5, the transmission rod 28 is arranged on the fixing frame 7, the fixing frame 7 is symmetrically arranged at the top end of the supporting frame 6, one end of the transmission rod 28 is connected with the other end of the declaration, two transmission discs 26 are symmetrically arranged at one side of the supporting frame 6, the handle 25 is arranged on the transmission disc 26, the transmission disc 26 is connected with the other end of the transmission rod 28 through the transmission belt 27, and finally the protecting cover 29 is arranged at the top end of the supporting frame 6 and the top end of the air pump 13.
Example 3:
referring to fig. 1 to 6, in an embodiment of the present utility model:
when the flood season is over, river water can reach the position of the filter plate 20 at first, the river water can flow in a diversion and thinning way through the filter holes 22 arranged on the filter plate 20 to the gate 5 to play a buffering role, sundries carried on the water surface can be blocked by the filter plate 20, the protection plate 21 blocks the second chute 4 to prevent the sundries from directly entering the second chute 4 to influence the normal opening and closing of the filter plate 20, when the gate 5 needs to be opened, the steel cable 10 is directly driven to lift the gate 5 through the rotation of the forward and reverse rotation control rope pulley 8 of the forward and reverse rotation motor 9, when the gate 5 needs to be closed, the steel cable 10 is driven to lift the gate 5 through the rotation of the reverse rotation control rope pulley 8 of the forward and reverse rotation motor 9, when sundries need to be cleaned, the other rope pulley 8 is controlled to rotate in a forward and drive the steel cable pulley 10 to lift the filter plate 20, the filter plate 20 is lifted to lift the collecting box 23 connected below the filter plate 20 together, the collecting box 23 ascends to collect garbage on the water surface into the collecting box 23, and river water flows out of the filtering holes 22 arranged on the side wall and the bottom of the collecting box 23, so that only sundries on the water surface are fished out, when the filter plate 20 drives the collecting box 23 to ascend to the water surface, a worker can take out the limit rods 24 on two sides of the collecting box 23, so that the collecting box 23 is detached from the filter plate 20 to remove the sundries in the collecting box 23, the collecting box 23 is arranged on the filter plate 20 through the limit rods 24 after the sundries in the collecting box 23 are removed, then the control rope wheel 8 is rotated by the reverse rotation motor 9 to drive the steel cable 10 to descend the filter plate 20 to the original position, when the temperature is low in winter, the air pump 13 arranged on two sides of the support frame 6 is started, the air pump 13 can convey air into the hollow tube 12 through the air tube 14, when the air pressure in the hollow tube 12 is larger, the sealing ring 17 is jacked up to cause deformation of the sealing ring to enter the groove of the clamp 18, air in the hollow tube 12 can be drilled out from a gap between the clamp 18 and the outer wall of the hollow tube 12 through the air holes 16, then small bubbles are formed to float upwards to the water surface, the water surface is disturbed to achieve the anti-freezing purpose, when the air temperature is raised, an anti-freezing device is not needed any more, the air pump 13 is closed, when the air pressure in the hollow tube 12 is not higher, the sealing ring 17 can be restored to the original state again, the air holes 16 are blocked, river water is prevented from entering the hollow tube 12, when the water surface is raised, the pontoon 19 arranged above the hollow tube 12 can rise along with the water surface, so that the hollow tube 12 is driven to rise upwards through the limiting frame and the limiting groove 2, when the power is cut off and the gate 5 needs to be opened, a worker holds the handle 25 to rotate the driving disc 26 arranged on one side of the supporting frame 6, the driving disc 26 drives the driving rod 28 on the top end of the supporting frame 6 to rotate through the driving belt 27, the driving rod 28 drives the rope pulley 8 connected with the other end to rotate, so that the steel cable 10 is driven to lift the gate 5, when the gate 5 needs to be closed, the driving disc 26 drives the driving rod 8 to rotate through the driving belt 27, the driving rod 28 drives the rope pulley 8 connected with the other end to reversely rotate, so that the steel cable 10 is driven to descend the gate 5 to the original position, and when the power equipment needs to be maintained, the power equipment can be overhauled by dismantling the protecting cover 29.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a hydraulic engineering flood prevention gate, includes dam body (1), its characterized in that: the utility model discloses a dam body, including dam body (1), limit groove (2) bilateral symmetry is equipped with stop device, be equipped with first spout (3) and second spout (4) in dam body (1), first spout (3) department is connected with filter equipment, be equipped with gate (5) in second spout (4), gate (5) top is equipped with support frame (6), support frame (6) top is equipped with mount (7), support frame (6) top symmetry is equipped with rope sheave (8), rope sheave (8) are installed on support frame (6) top through mount (7), rope sheave (8) one side is equipped with positive and negative rotation motor (9), positive and negative rotation motor (9) output and rope sheave (8) one side are connected, positive and negative rotation motor (9) are installed on support frame (6) top, the rope sheave (8) opposite side is connected with manual transmission, be equipped with steel cable (10) on rope (8), one of them steel cable (10) one end is equipped with fixation clamp (11), and fixation clamp (11) are installed on gate (5) top, another air pump (13) are connected at fixed clamp (13) and air pump (13), the air pump (13) is installed above the dam body (1), one side of the hollow pipe (12) is connected with the output end of the air pump (13) through an air pipe (14), an air hole (16) is formed in the side wall of the hollow pipe (12), and the hollow pipe (12) is connected with limit grooves (2) formed in two sides of the dam body (1) in a matched mode through limit clamps (15).
2. The hydraulic engineering flood prevention gate according to claim 1, wherein: the side wall of the hollow tube (12) is provided with a sealing ring (17), the sealing ring (17) is made of soft rubber, and the outer side of the sealing ring (17) is provided with a clamp (18).
3. The hydraulic engineering flood prevention gate according to claim 1, wherein: a pontoon (19) is arranged above the hollow pipe (12), and the pontoon (19) is detachably connected above the hollow pipe (12) through bolts.
4. The hydraulic engineering flood prevention gate according to claim 1, wherein: the filtering device comprises a filtering plate (20) and a protection plate (21), wherein the filtering plate (20) is arranged in the second sliding groove (4), the protection plate (21) is fixedly connected to one side of the filtering plate (20), and filtering holes (22) are formed in the protection plate (21) and the filtering plate (20).
5. The hydraulic engineering flood prevention gate according to claim 4, wherein: the filter plate is characterized in that a collecting box (23) is arranged on one side of the filter plate (20), filtering holes (22) are formed in the side wall and the bottom of the collecting box (23), limit rods (24) are symmetrically arranged on the side wall of the collecting box (23), and the collecting box (23) is connected with the filter plate (20) through the limit rods (24).
6. The hydraulic engineering flood prevention gate according to claim 1, wherein: the manual transmission device comprises a handle (25), a transmission disc (26), a transmission belt (27) and a transmission rod (28), wherein the transmission disc (26) is arranged on one side of the support frame (6), the handle (25) is arranged on the transmission disc (26), the transmission disc (26) is connected with one side of the transmission rod (28) through the transmission belt (27), the other side of the transmission rod (28) is connected with the rope wheel (8), and the transmission rod (28) is arranged at the top end of the support frame (6) through the fixing frame (7).
7. The hydraulic engineering flood prevention gate according to claim 1, wherein: the top ends of the air pump (13) and the supporting frame (6) are both provided with a protective cover (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412900.8U CN220166830U (en) | 2023-06-01 | 2023-06-01 | Hydraulic engineering flood prevention gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412900.8U CN220166830U (en) | 2023-06-01 | 2023-06-01 | Hydraulic engineering flood prevention gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220166830U true CN220166830U (en) | 2023-12-12 |
Family
ID=89067363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321412900.8U Active CN220166830U (en) | 2023-06-01 | 2023-06-01 | Hydraulic engineering flood prevention gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220166830U (en) |
-
2023
- 2023-06-01 CN CN202321412900.8U patent/CN220166830U/en active Active
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