CN211113517U - Hydraulic jacking lifting type flap gate - Google Patents
Hydraulic jacking lifting type flap gate Download PDFInfo
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- CN211113517U CN211113517U CN201921984047.0U CN201921984047U CN211113517U CN 211113517 U CN211113517 U CN 211113517U CN 201921984047 U CN201921984047 U CN 201921984047U CN 211113517 U CN211113517 U CN 211113517U
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Abstract
The utility model discloses a hydraulic top-push lifting type flap sluice, which comprises a bottom support hinge, a gate leaf and a hydraulic cylinder; the door leaf comprises a panel, a main beam, a secondary beam and an edge beam which are connected with the panel, and the bottom of the door leaf is rotatably connected with the first end of the bottom hinge; the bottom of the hydraulic cylinder is rotationally connected with the second end of the bottom support hinge, the top of the hydraulic cylinder is rotationally connected with the panel in the door leaf, and the hydraulic cylinder, the bottom support hinge and the door leaf form a stable triangular structure together. The utility model utilizes the door leaf, the bottom support hinge and the hydraulic cylinder to form a stable right triangle structure similar to a three-hinged arch, when water is retained, the inclination angle between the door leaf and the ground plane is 60 degrees, the hydraulic cylinder is vertical, only axial force is applied, and the mechanical structure is excellent; during flood discharge, the gate leaves are properly inclined towards the downstream, the hydraulic cylinder is installed at the tail end of the bottom support hinge, and the bottom support hinge is installed on the embedded bolt of the gate bottom plate. When the gate is in an opening state, the manual reflux valve arranged in the control room is opened, the hydraulic cylinder can automatically contract under the action of the dead weight of the gate leaf and the water pressure, and the gate leaf horizontally lies on the anchor block behind the gate hinge.
Description
Technical Field
The utility model belongs to the technical field of the sluice, concretely relates to hydraulic pressure top pushes up lift-type and turns over board sluice.
Background
The water gate is a low water head hydraulic structure built on river channel and canal and using gate to control flow and regulate water level. The closing of the gate can block flood, damp or raise the upstream water level so as to meet the requirements of irrigation, power generation, shipping, aquatic products, environmental protection, industrial and domestic water and the like; the gate is opened, flood, waterlogging, water or waste water can be released, and water can be supplied to downstream river channels or channels. In urban river regulation engineering and ecological water system engineering, the main design principle of the urban river is to ensure the flood control and water supply standard principle of the urban water system and perfectly combine with the landscape of the urban river. On the premise of meeting the basic water conservancy function of the river channel, water is used as a carrier as much as possible to build an overwater riverside landscape, and good visual enjoyment is brought to people by using an ecological and natural space environment. The main characteristics of the sluice engineering are as follows: large span, low water head, novel design, ingenious conception and unique modeling, and becomes a constituent part of the human landscape.
At present, the domestic hydraulic lifting water gate mainly has a steel dam gate and a hydraulic dam. The hydraulic dam has the advantages of being adaptable to the width of a river channel, free of gate piers, capable of being continuously arranged in multiple spans, capable of being stressed independently in each span, capable of being lifted independently and the like, and is widely used.
However, the hydraulic cylinder of the hydraulic dam in the prior art is arranged in a deep foundation pit, and if water is accumulated in the foundation pit, the hydraulic cylinder is soaked in water for a long time, so that the service life of the hydraulic dam can be influenced. Once silt and impurities enter the foundation pit, the hydraulic cylinder is disturbed to lift, contract and swing, and the normal operation of the gate is influenced; the water stopping effect between the door leaves is general at the positions of the base and the door leaves, and the water leakage phenomenon occurs when the gate stops water; when the size of the gate exceeds the national transportation vehicle management regulation, the gate is cut into sections and then transported to a construction site to be welded into a whole, and stress deformation or uneven stress occurs to influence the operation of the water gate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a hydraulic top-push lifting type flap gate, which utilizes a gate leaf, a bottom support hinge and a hydraulic cylinder to form a stable right-angled triangle structure similar to a three-hinged arch, when water is retained, the inclination angle between the gate leaf and a ground plane is 60 degrees, the hydraulic cylinder is vertical, only axial force is applied, and the mechanical structure is excellent; during flood discharge, the gate leaves are properly inclined towards the downstream, the hydraulic cylinder is installed at the tail end of the bottom support hinge, and the bottom support hinge is installed on the embedded bolt of the gate bottom plate. The gate is when the open mode, opens the manual backward flow valve that sets up at the control room, and the pneumatic cylinder also can contract by oneself under the effect of door leaf dead weight and water pressure, and the door leaf crouches on the anchor block behind the gate hinge, realizes the flood discharge.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a hydraulic jacking lifting type flap gate comprises:
bottom support hinge;
the door leaf comprises a panel, and a main beam, a secondary beam and an edge beam which are connected with the panel, wherein the bottom of the door leaf is rotatably connected with the first end of the bottom hinge;
and the bottom of the hydraulic cylinder is rotationally connected with the second end of the bottom hinge, the top of the hydraulic cylinder is rotationally connected with the panel in the door leaf, and the hydraulic cylinder, the bottom hinge and the door leaf form a stable triangular structure together.
Optionally, a shaft sleeve and a sleeve which are coaxially arranged are arranged at the first end of the bottom hinge, and a bottom shaft is arranged in the shaft sleeve; the shaft sleeve and the sleeve are arranged between two second lug plates oppositely arranged at the bottom of the door leaf and are positioned in a mounting hole on the main beam at the bottom of the door leaf; and two ends of the bottom shaft respectively penetrate through the corresponding second ear plates and then are connected with second shaft end baffles, so that the door leaf can rotate around the bottom shaft.
Optionally, two first lifting lugs which are oppositely arranged are arranged on the inner panel of the door leaf, and first lug plates which are oppositely arranged are arranged on the outer sides of the two first lifting lugs; the lifting hole on the top end of the hydraulic cylinder is located between the oppositely arranged first lifting lugs, a first lifting lug shaft penetrates through the lifting hole, and two ends of the first lifting lug shaft penetrate through the corresponding first lug plates and then are connected with first shaft end baffles.
Optionally, the second end of the bottom hinge is provided with two second lifting lugs which are arranged oppositely, and the outer sides of the two second lifting lugs are provided with third ear plates which are arranged oppositely; and a lifting hole at the bottom end of the hydraulic cylinder is inserted between two second lifting lugs on the bottom support hinge, a second lifting lug shaft penetrates through the lifting hole, and both ends of the second lifting lug shaft penetrate through corresponding third lug plates and are connected with third shaft end baffles.
Optionally, the hydraulic top push-and-pull type flap gate further comprises a bottom water stop member, wherein the bottom water stop member comprises a bottom water stop pressing plate, a bottom water stop seal, a bottom water stop seat plate, a reinforcing plate, corner angle steel and a connecting plate; the bottom water stop pressing plate is arranged opposite to the bottom water stop base plate, and the bottom water stop seal is arranged in a gap between the bottom water stop pressing plate and the bottom water stop base plate; the reinforcing plate is connected with the bottom water stop seat plate; the angle steel of the corner protector is arranged at the outer sides of the bottom water stop pressing plate, the bottom water stop seal, the bottom water stop seat plate and the reinforcing plate and is connected with the connecting plate, and when the door is closed, the bottom edge of the door leaf is tightly compacted on the bottom water stop seal.
Optionally, the bottom water stop part further comprises a lapping rib and an embedded part; the built-in fitting is connected with the built-in bar and used for installing the anti-freezing equipment.
Optionally, the precompression amount of the bottom water seal is 2-3 mm.
Optionally, the hydraulic jacking lifting type flap gate further comprises a side water stopping component, the side water stopping component is arranged on the side of the panel in the door leaf and comprises a side water stopping pressure plate, a side water stopping seat plate and a side water stopping seal; the side water stop pressing plate is opposite to the side water stop seat plate; the side water-stop seal is arranged in a gap between the side water-stop pressure plate and the side water-stop seat plate and is tightly attached to the protruding panel at the side part of the door leaf.
Optionally, the cross section of the side water seal is P-shaped.
Optionally, the pre-compression amount of the side water seal is 2-3 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
use the utility model discloses a hydraulic ram formula of pushing away goes up and down turns over board sluice, hydraulic pressure dam no longer sets up the bracing piece, the utility model discloses a hydraulic ram formula of pushing away goes up and down turns over board sluice and comprises the stable right angled triangle structure that is similar to the three-hinged arch by door leaf, end hinge and pneumatic cylinder, and during the manger plate, door leaf is 60 degrees with the horizon inclination, and the pneumatic cylinder vertical is upright, only receives the axial force, and mechanical structure is excellent. During flood discharge, the gate leaves are properly inclined towards the downstream, the hydraulic cylinder is installed at the tail end of the base, and the base is installed on the embedded bolt of the gate bottom plate. The gate is when the open mode, opens the manual backward flow valve that sets up at the control room, and the pneumatic cylinder also can contract by oneself under the effect of door leaf dead weight and water pressure, and the door leaf crouches on the anchor block behind the gate hinge, realizes the flood discharge.
The utility model discloses insole hinge structural design is novel, avoids interfering with the AND gate blade panel when the gate is closed, rationally avoids end stagnant water, and stagnant water at the bottom of whole leaf blade panel direct support presses in addition, has avoided carrying out the local cutting to door leaf panel and end stagnant water, need not to carry out solitary stagnant water setting at end hinge position again, and the end stagnant water rubber is complete links up the installation, and the panel root edge constitutes two sealing surfaces with the sleeve surface, has reached the purpose of stagnant water.
The utility model discloses well door leaf panel cuts according to end hinge width in the bottom of end hinge AND gate leaf panel junction, and the rectangular hole is opened respectively on both sides, inserts door leaf panel cutting department with end hinge again, and the AND gate leaf is hub connection for the girder, and the atress of having guaranteed door leaf panel is transferred to the hinge to the brake bottom plate again from the main longitudinal beam on the earth, makes things convenient for end hinge and the installation and debugging of door leaf panel at the job site.
The utility model discloses well side stagnant water clamp plate structure avoids the stagnant water rubber to compress excessive P type head under water pressure and warp, breaks away from the stagnant water clamp plate, and under water pressure and the dual function of the stagnant water clamp plate of bending, P type stagnant water rubber compaction is inseparable, realizes the stagnant water effect.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic view of an overall structure of a hydraulic pushing lifting type flap gate according to an embodiment of the present invention;
fig. 2 is one of the assembling views of the bottom hinge and the door leaf according to an embodiment of the present invention;
FIG. 3 is a second schematic view of the assembly of the bottom hinge and the door leaf according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a bottom water stop member according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a side water stop according to an embodiment of the present invention;
wherein: 1-door leaf, 2-bottom support hinge, 3-bottom water stop part, 4-side water stop part, 5-hydraulic cylinder, 6-pre-buried rib, 7-pre-buried positioning plate, 8-gate bottom plate, 9-second stage foundation pit, 10-first lug plate, 11-first lifting lug, 12-second lifting lug, 13-first shaft end baffle, 14-second shaft end baffle, 15-bottom shaft, 16-second lug plate, 17-sleeve, 18-third lug plate, 19-second lifting lug, 20-second lifting lug, 21-third shaft end baffle, 22-shaft sleeve, 23-bottom water stop pressure plate, 24-bottom water stop seal, 25-bottom water stop seat plate, 26-reinforcing plate, 27-corner angle steel, 28-connecting plate, 29-lap rib, 30-equipment pre-buried part, 31. side stagnant water clamp plate, 32, side stagnant water bedplate, 33, side stagnant water seal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
Example 1
This embodiment provides a hydraulic pressure top promotion lift-type turns over board sluice, includes: a bottom support hinge 2, a door leaf 1 and a hydraulic cylinder 5;
the door leaf 1 comprises a panel, and a main beam, a secondary beam and an edge beam which are connected with the panel, and the bottom of the door leaf is rotatably connected with the first end of the bottom hinge 2; in the practical application process, the whole leaf 1 can be divided into a plurality of sections according to the width of a river channel, and each section of leaf comprises a panel, a main beam, a secondary beam and a side beam.
The bottom of the hydraulic cylinder 5 is rotatably connected with the second end of the bottom support hinge 2, the top of the hydraulic cylinder is rotatably connected with the panel in the door leaf 1, the hydraulic cylinder, the bottom support hinge 2 and the door leaf 1 jointly form a stable triangular structure, during water retaining, the inclination angle between the door leaf 1 and the ground plane is 60 degrees, the hydraulic cylinder 5 is vertical, and the stress structure is good.
In the actual application process, as shown in fig. 1, a first-stage embedded bar 6 penetrates through a first-stage embedded positioning plate 7 and is poured into a brake bottom plate 8, a bottom hinge 2 penetrates through the first-stage embedded joint bar 6 and is placed into a second-stage foundation pit 9 reserved in the brake bottom plate 8, the height of the bottom hinge 2 is adjusted according to double-layer high-strength stainless steel bolts on the first-stage embedded joint bar 6, the height of the center of the bottom hinge 2 is made to be consistent with the upstream height of the brake bottom plate 8, the double-layer high-strength stainless steel bolts on the bottom hinge 2 are screwed tightly and fixed on the brake bottom plate 8, bolts below the bottom hinge 2 are used for adjusting the height of the bottom hinge, and bolts above the bottom hinge are used for locking the bottom hinge.
In a specific embodiment of the present invention, a shaft sleeve 22 and a sleeve 17 are coaxially disposed at a first end of the bottom hinge 2, and a bottom shaft 15 is disposed in the shaft sleeve 22; the shaft sleeve 22 and the sleeve 17 are arranged between two second lug plates 16 oppositely arranged at the bottom of the door leaf 1 and are positioned in a mounting hole on a main beam at the bottom of the door leaf 1, and the mounting hole is a rectangular hole; two ends of the bottom shaft 15 respectively penetrate through the corresponding second ear plates 16 and then are connected with second shaft end baffles 14, so that the door leaf 1 can rotate around the bottom shaft 15.
In a specific embodiment of the present invention, two first lifting lugs 11 are oppositely disposed on the panel in the door leaf 1, and first ear plates 10 are oppositely disposed outside the two first lifting lugs 11; the lifting hole at the top end of the hydraulic cylinder 5 is located between the oppositely arranged first lifting lugs 11, a first lifting lug shaft 12 penetrates through the lifting hole, and two ends of the first lifting lug shaft 12 penetrate through the corresponding first lug plates 10 and are connected with first shaft end baffle plates 13.
In a specific embodiment of the present invention, the second end of the bottom hinge 2 is provided with two second lifting lugs 20 arranged oppositely, and the outer sides of the two second lifting lugs 20 are provided with third ear plates 18 arranged oppositely; the lifting hole at the bottom end of the hydraulic cylinder 5 is inserted between two second lifting lugs 20 on the bottom support hinge 2, a second lifting lug shaft 19 penetrates through the lifting hole, two ends of the second lifting lug shaft 19 penetrate through corresponding third lug plates 18 and then are connected with third shaft end baffle plates 21, and the second lifting lug shaft 19 is locked by the third shaft end baffle plates 21.
Example 2
Based on embodiment 1, the present embodiment is different from embodiment 1 in that:
the hydraulic jacking lifting type flap gate further comprises a bottom water stop part 3, wherein the bottom water stop part 3 comprises a bottom water stop pressing plate 23, a bottom water stop seal 24, a bottom water stop seat plate 25, a reinforcing plate 26, angle steel angle protectors 27 and a connecting plate 28;
the bottom water stop pressing plate 23 is arranged opposite to the bottom water stop base plate 25, the bottom water stop seal 24 is arranged in a gap between the bottom water stop pressing plate 23 and the bottom water stop base plate 25, the sleeve 17 of the bottom support hinge 2 is tightly pressed by the front end of the bottom water stop seal 24, the precompression amount is 2mm, the bottom water stop pressing plate 23 is arranged on the bottom water stop seal 24, and the bottom water stop pressing plate 23 is fastened by double rows of bolts after the position is adjusted; the reinforcing plate 26 is connected with the bottom water stop seat plate 25, namely the reinforcing plate 26 is welded at the contact position of the bottom water stop seat plate 25 and the angle steel 28; the angle steel angle corner protector 27 is arranged on the outer sides of the bottom water stop pressing plate 23, the bottom water stop seal 24, the bottom water stop seat plate 25 and the reinforcing plate 26 and is connected with the connecting plate 28, when the door is closed, the bottom edge of the door leaf 1 is tightly pressed on the bottom water stop seal 24, and the bottom edge of the door leaf 1 and the outer surface of the sleeve 17 of the bottom hinge 2 form two water sealing surfaces, so that the purpose of water stop is achieved. If the sluice has the requirement of winter operation in the northern cold area, an anti-freezing equipment embedded part 30 can be arranged on the sluice bottom plate 8 in advance for installing anti-freezing equipment.
In the actual use process, the bottom water stop part 3 is arranged at the equal height position of the upstream bottom side of the gate and the center of the bottom hinge 2, the bottom water stop seal 24 is connected to the pre-embedded bottom water stop embedded part through a bolt and is fixed by a bottom water stop seat plate 25, and the front section of the bottom water stop seal 24 is tightly pressed on the bottom shaft of the gate vane.
In a specific embodiment of the present invention, the bottom water stop member 3 further comprises a rib and an embedded member 30; the built-in fitting 30 is connected with the built-in ribs and used for installing anti-freezing equipment.
In a specific embodiment of the present invention, the precompression amount of the bottom water seal 24 is 2-3mm, and the cross section of the bottom water seal 24 is rectangular.
Example 3
Based on embodiment 1, the present embodiment is different from embodiment 1 in that:
the hydraulic jacking lifting type flap gate further comprises a side water stopping component 4, wherein the side water stopping component 4 is arranged on the side part of the panel in the gate leaf 1 and comprises a side water stopping pressure plate 31, a side water stopping seat plate 32 and a side water stopping seal 33; the side water stop pressing plate 31 is arranged opposite to the side water stop seat plate 32; the side water seal 33 is arranged in the gap between the side water stop pressing plate 31 and the side water stop seat plate 32 and closely attached to the side protruding panel of the door leaf 1.
In the practical application process, the side water stopping component is arranged on the panel protruding from the side face of the door leaf, and the side water stopping pressing plate is propped against the side water stopping seal through bolt connection. The upper end of a hydraulic hoist oil cylinder is hinged with an upper lifting lug plate in the door leaf through a connecting shaft, and the lower end of the oil cylinder is hinged with a lower position lug plate of the bottom support hinge through a connecting shaft.
In a specific embodiment of the present invention, the cross section of the side water seal 33 is P-shaped, and the side water seal pressing plate 31 is pressed against the P-shaped position of the side water seal 33 and fastened by bolts. Under the dual action of water pressure and the side water-stopping pressure plate 31, the P-shaped side water-stopping seal 33 is compacted tightly, so that the water-stopping effect is realized; the cross section of the rubber is P-shaped and can be made of rubber; the width of the side water stop pressing plate is properly increased, and one side of the side water stop pressing plate is bent and chamfered, so that the bent side is tightly attached to the back water surface of the side water stop seal 33; and an elliptical hole is further formed in the side water seal, so that precompression amount can be conveniently adjusted.
In a specific embodiment of the present invention, the pre-compression amount of the side water seal 33 is 2-3 mm.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a hydraulic pressure top promotion lift-type turns over board sluice, its characterized in that includes:
bottom support hinge;
the door leaf comprises a panel, and a main beam, a secondary beam and an edge beam which are connected with the panel, wherein the bottom of the door leaf is rotatably connected with the first end of the bottom hinge;
and the bottom of the hydraulic cylinder is rotationally connected with the second end of the bottom hinge, the top of the hydraulic cylinder is rotationally connected with the panel in the door leaf, and the hydraulic cylinder, the bottom hinge and the door leaf form a stable triangular structure together.
2. The hydraulic push-pull lifting type flap sluice as claimed in claim 1, wherein: a shaft sleeve and a sleeve which are coaxially arranged are arranged at the first end of the bottom support hinge, and a bottom shaft is arranged in the shaft sleeve; the shaft sleeve and the sleeve are arranged between two second lug plates oppositely arranged at the bottom of the door leaf and are positioned in a mounting hole on the main beam at the bottom of the door leaf; and two ends of the bottom shaft respectively penetrate through the corresponding second ear plates and then are connected with second shaft end baffles, so that the door leaf can rotate around the bottom shaft.
3. The hydraulic push-pull lifting type flap sluice as claimed in claim 1, wherein: two first lifting lugs which are oppositely arranged are arranged on the panel of the door leaf, and first lug plates which are oppositely arranged are arranged on the outer sides of the two first lifting lugs; the lifting hole on the top end of the hydraulic cylinder is located between the oppositely arranged first lifting lugs, a first lifting lug shaft penetrates through the lifting hole, and two ends of the first lifting lug shaft penetrate through the corresponding first lug plates and then are connected with first shaft end baffles.
4. The hydraulic push-pull lifting type flap gate as claimed in claim 3, wherein: the second end of the bottom hinge is provided with two second lifting lugs which are oppositely arranged, and the outer sides of the two second lifting lugs are provided with third lug plates which are oppositely arranged; and a lifting hole at the bottom end of the hydraulic cylinder is inserted between two second lifting lugs on the bottom support hinge, a second lifting lug shaft penetrates through the lifting hole, and both ends of the second lifting lug shaft penetrate through corresponding third lug plates and are connected with third shaft end baffles.
5. The hydraulic push-pull lifting type flap sluice as claimed in claim 1, wherein: the hydraulic top push-lifting type flap gate further comprises a bottom water stop piece, and the bottom water stop piece comprises a bottom water stop pressing plate, a bottom water stop seal, a bottom water stop seat plate, a reinforcing plate, angle steel for corner protection and a connecting plate; the bottom water stop pressing plate is arranged opposite to the bottom water stop base plate, and the bottom water stop seal is arranged in a gap between the bottom water stop pressing plate and the bottom water stop base plate; the reinforcing plate is connected with the bottom water stop seat plate; the angle steel of the corner protector is arranged at the outer sides of the bottom water stop pressing plate, the bottom water stop seal, the bottom water stop seat plate and the reinforcing plate and is connected with the connecting plate, and when the door is closed, the bottom edge of the door leaf is tightly compacted on the bottom water stop seal.
6. The hydraulic push-pull lifting type flap gate as claimed in claim 5, wherein: the bottom water stop part also comprises a lapping rib and an embedded part; the built-in fitting is connected with the built-in bar and used for installing the anti-freezing equipment.
7. The hydraulic push-pull lifting type flap gate as claimed in claim 5, wherein: the precompression amount of the bottom water seal is 2-3 mm.
8. The hydraulic push-pull lifting type flap sluice as claimed in claim 1, wherein: the hydraulic jacking lifting type turnover plate sluice further comprises a side water stopping component, wherein the side water stopping component is arranged on the side part of the panel in the door leaf and comprises a side water stopping pressure plate, a side water stopping seat plate and a side water stopping seal; the side water stop pressing plate is opposite to the side water stop seat plate; the side water-stop seal is arranged in a gap between the side water-stop pressure plate and the side water-stop seat plate and is tightly attached to the protruding panel at the side part of the door leaf.
9. The hydraulic push-pull lifting type flap gate as claimed in claim 8, wherein: the cross section of the side water stop seal is P-shaped.
10. The hydraulic push-pull lifting type flap gate as claimed in claim 8, wherein: the precompression amount of the side water seal is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921984047.0U CN211113517U (en) | 2019-11-18 | 2019-11-18 | Hydraulic jacking lifting type flap gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921984047.0U CN211113517U (en) | 2019-11-18 | 2019-11-18 | Hydraulic jacking lifting type flap gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211113517U true CN211113517U (en) | 2020-07-28 |
Family
ID=71720536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921984047.0U Active CN211113517U (en) | 2019-11-18 | 2019-11-18 | Hydraulic jacking lifting type flap gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211113517U (en) |
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2019
- 2019-11-18 CN CN201921984047.0U patent/CN211113517U/en active Active
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