CN217026955U - Sand flushing gate structure - Google Patents

Sand flushing gate structure Download PDF

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Publication number
CN217026955U
CN217026955U CN202220700375.9U CN202220700375U CN217026955U CN 217026955 U CN217026955 U CN 217026955U CN 202220700375 U CN202220700375 U CN 202220700375U CN 217026955 U CN217026955 U CN 217026955U
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limiting
access door
screw rod
gate
sand
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CN202220700375.9U
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Chinese (zh)
Inventor
焦锈
阳恒
向辉
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Sichuan Shuifa Construction Co ltd
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Sichuan Water Conservancy And Electric Power Engineering Bureau Co ltd
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Abstract

The utility model relates to a towards husky floodgate structure belongs to hydraulic and hydroelectric engineering technical field, towards husky floodgate structure include the lock chamber, towards husky floodgate working door and be used for with the concrete bottom plate towards husky floodgate working door bottom wall butt, the lock chamber both sides are reserved has the working gate groove that is used for towards husky floodgate working door direction, the concrete strength on concrete bottom plate surface is higher than the concrete strength of working gate inslot wall, the embedded stagnant water copper sheet that is used for the prevention of seepage that is equipped with of concrete bottom plate. The method and the device have the effect of saving enterprise cost to a certain extent.

Description

Sand flushing gate structure
Technical Field
The application relates to the technical field of hydraulic and hydroelectric engineering, in particular to a sand flushing brake structure.
Background
The sand sluice gate is also called as sand discharge gate, and is a water gate for discharging the deposited silt in the upstream river section or canal system by using the water flow of the river (canal) channel. Usually at the hydro-hub on a sandy river.
In the related technology, the sand washing gate structure comprises a concrete bottom plate and a gate chamber arranged on the concrete bottom plate, wherein a working door and an access door are arranged on the gate chamber in a sliding manner, and windlasses used for lifting the working door and the access door are respectively arranged on the gate chamber. The working door is descended to be abutted against the concrete bottom plate through the winch, so that water flow is blocked; the winch lifts the working door to separate the working door from the concrete bottom plate, so that the gate is opened for draining water; when the working door needs to be overhauled, the winch puts down the access door to block river water.
In view of the above-mentioned related technologies, the inventor found that the working door often collides with the concrete bottom plate, so that the concrete bottom plate is easily damaged or sunk, and needs to be repaired, which results in high cost.
SUMMERY OF THE UTILITY MODEL
In order to help saving the cost of enterprise, this application provides a dash husky floodgate structure.
The application provides a dash husky floodgate structure adopts following technical scheme:
the utility model provides a towards husky floodgate structure, includes the lock chamber, towards husky floodgate working door and be used for with the concrete bottom plate towards husky floodgate working door bottom wall butt, the lock chamber both sides are reserved has the working gate groove that is used for towards the direction of husky floodgate working door, the concrete intensity on concrete bottom plate surface is higher than the concrete intensity of working gate inslot wall, the embedded stagnant water copper sheet that is used for the prevention of seepage that is equipped with of concrete bottom plate.
Through adopting above-mentioned technical scheme, when the higher messenger of concrete bottom plate surface sluicing gate working door of concrete bottom plate surface opened and close and collide with the concrete bottom plate many times, the concrete on concrete bottom plate surface is not fragile, and stagnant water copper sheet helps reducing the river on the concrete bottom plate to a certain extent simultaneously and permeates to the foundation soil in situ for the foundation soil layer is difficult for driving the concrete bottom plate and sinks, and then can reduce and carry out engineering restoration's possibility, helps saving the cost of enterprises.
Preferably, a rubber waterstop is embedded in the concrete bottom plate and located below the water stop copper sheet.
By adopting the technical scheme, the anti-seepage effect of the concrete bottom plate is further enhanced by arranging the rubber water stop, the foundation soil layer is not easy to sink to a certain extent, the possibility of engineering repair is reduced, and the enterprise cost can be further saved; meanwhile, the rubber water stop has good adaptive deformability, and is favorable for adapting to the deformation of the bottom end of the concrete bottom plate.
Preferably, still including the access door of slip setting on the lock chamber, the lock chamber internal rotation is provided with and is used for accepting two of access door bottom wall both sides respectively and accepts the board, the axis of rotation of accepting the board is on a parallel with the slip direction of access door, be provided with on the lock chamber and be used for ordering about and accept the board orientation and be close to or keep away from the direction pivoted driving piece of access door.
Through adopting above-mentioned technical scheme, when not using the access door, receive the board orientation through the driving piece drive and rotate near the direction of access door, make and receive the board and support the diapire of access door, and then can reduce the pulling force of access door to the top hoist engine, reduce the load of hoist engine, help prolonging the life of hoist engine, save the cost in business.
Preferably, the driving piece includes that the screw rod on the lock chamber is worn to establish by the screw thread, the screw rod with accept the board one-to-one, the axis of rotation of screw rod is on a parallel with the axis of rotation of accepting the board, the screw rod with correspond accept the board and connect, work as the screw rod drives and accepts the board to when being close to the direction rotation of access door, the screw rod upwards slides.
Through adopting above-mentioned technical scheme, rotate the screw rod, make the screw rod drive and accept the board orientation and rotate near the direction of access door, will accept the board and rotate to the access door bottom, because during the screw rod rotates, the drive is accepted the board and is upwards slided certain distance to make and accept the inseparable butt of board and access door bottom wall, improve the support effect to the access door, reduce the load of access door top hoist engine when out of work, and then help prolonging the hoist engine life-span, save the cost of enterprises.
Preferably, the screw rod is provided with an inclined strut in an inclined mode, and one end, far away from the screw rod, of the inclined strut is arranged on the bearing plate.
Through adopting above-mentioned technical scheme, the setting up of bracing has strengthened the screw rod and has accepted the structure steadiness between the board for accept the difficult fracture scheduling possibility of taking place of board.
Preferably, a gear is sleeved at one end of the screw rod, which is far away from the bearing plate, and a limiting piece for limiting the rotation of the gear is arranged on the lock chamber.
Through adopting above-mentioned technical scheme, restrict gear revolve through the limiting piece for when the access door was out of work, the screw rod was difficult for driving and accepts the board and take place unnecessary rotation.
Preferably, the limiting member comprises a limiting tooth slidably arranged on the lock chamber, the limiting tooth is used for being meshed with the gear, the limiting tooth slides towards the direction close to or far away from the gear, and the sliding direction of the limiting tooth is perpendicular to the rotating axis of the screw rod.
By adopting the technical scheme, the limiting teeth slide towards the direction close to the gear, so that the limiting teeth are meshed with the gear, the gear can be limited from rotating, and the screw is not easy to drive the bearing plate to rotate; the direction of keeping away from the gear slides and limits the tooth, makes and limits tooth and gear and breaks away from, and then rotatable screw rod drives and accepts the board and rotate.
Preferably, be provided with the seat of sliding on the restriction tooth, the seat of sliding slides on the lock chamber, the slip direction perpendicular to screw rod's of the seat of sliding axis, it is provided with spacing piece to slide on the seat of sliding, the slip direction of spacing piece is on a parallel with the axis of rotation of screw rod, be provided with the fixed column on the lock chamber, the one end that the lock chamber was kept away from to the fixed column is provided with the arc arch, fixed column and the bellied central point of arc put and has seted up logical groove, it stretches across fixed column and arc arch to lead to the groove, spacing hole has been seted up on the spacing piece, the arc arch is used for passing spacing hole on the spacing piece and keeps away from one side butt of lock chamber, works as when restriction tooth and gear engagement, spacing hole alignment on the arc arch and the spacing piece.
Through adopting above-mentioned technical scheme, make the seat that slides drive the restriction tooth and be close to the gear, will inject the tooth and slide to with gear engagement, spacing hole on the spacing piece is aimed at the arc arch this moment, the spacing piece of lapse, make the arc arch and fixed column pass spacing hole on the spacing piece, one side that the lock chamber was kept away from to one side and the spacing piece that the arc arch is close to the fixed column butt, and then inject spacing piece and slide, make the seat that slides be difficult for sliding, thereby make difficult appearance slip when restricting tooth and gear engagement, reduce the possibility that non-working person rotated the screw rod.
Preferably, a smooth layer for reducing friction between the bearing plate and the bottom wall of the access door is arranged on the top wall of the bearing plate.
Through adopting above-mentioned technical scheme, the setting of smooth layer has reduced the frictional force of accepting between board and the access door diapire, facilitates for accepting the slip between board and the access door diapire, helps reducing the wearing and tearing of access door diapire simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
the concrete strength of the surface of the concrete bottom plate is high, so that when the sand sluicing gate working door is opened and closed for multiple times and collides with the concrete bottom plate, the concrete on the surface of the concrete bottom plate is not easy to damage, and meanwhile, the water stop copper sheet is favorable for reducing river water on the concrete bottom plate to penetrate into a foundation soil layer to a certain extent, so that the foundation soil layer is not easy to drive the concrete bottom plate to sink, the possibility of engineering repair can be reduced, and the enterprise cost is favorably saved;
when not using the access door, receive the board orientation through the driving piece drive and rotate near the direction of access door, make and receive the board and support the diapire of access door, and then can reduce the load of access door top hoist engine, help prolonging the life of hoist engine, save the cost of enterprises.
Drawings
Fig. 1 is a plan view of the overall cross-sectional structure of an embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 3 is an exploded view partially in section of an embodiment of the present application.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Description of reference numerals: 1. a lock chamber; 2. a sand sluice working door; 3. a concrete floor; 4. a working gate slot; 5. water stopping copper sheets; 6. a rubber waterstop; 7. an access door; 8. a bearing plate; 9. a screw; 10. bracing; 11. a gear; 12. defining teeth; 13. a sliding seat; 14. a limiting sheet; 15. fixing a column; 16. an arc-shaped bulge; 17. a through groove; 18. a limiting hole; 19. a smoothing layer; 20. repairing the door slot; 21. a mounting cavity; 22. an opening; 23. a handle; 24. and (4) adjusting the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses dash husky floodgate structure. Referring to fig. 1, the sand sluicing gate structure comprises a gate chamber 1, a sand sluicing gate working door 2, an access door 7 and a concrete bottom plate 3 which is used for being abutted against the bottom wall of the sand sluicing gate working door 2 and the bottom wall of the access door 7, wherein the sand sluicing gate working door 2 and the access door 7 are both slid on the gate chamber 1, working door grooves 4 which are used for sliding guiding the sand sluicing gate working door 2 are reserved on two sides of the gate chamber 1, access door grooves 20 which are used for sliding guiding the access door 7 are reserved on two sides of the gate chamber 1, the concrete strength of the surface of the concrete bottom plate 3 is higher than that of the inner walls of the working door grooves 4 and the inner walls of the access door grooves 20, in the embodiment, the concrete strength of the surface of the concrete bottom plate 3 is C40, a water stop copper sheet 5 which is used for seepage prevention is embedded in the concrete bottom plate 3, a rubber water stop strip 6 is embedded in the concrete bottom plate 3, the rubber water stop copper strip 6 is positioned below the water stop strip 5, and the rubber water stop strip 6 has strong adaptive deformation capability, helping to accommodate deformation of the lower end of the concrete floor 3.
When the sand sluice working door 2 or the access door 7 works, the sand sluice working door 2 or the access door 7 descends to abut against the concrete bottom plate 3, certain collision occurs, the strength of concrete on the surface of the concrete bottom plate 3 is high, the damage is not easy to damage, and the possibility of repairing the concrete bottom plate 3 is reduced; meanwhile, river water flows through the concrete bottom plate 3, the water stop copper sheets 5 and the rubber water stop belts 6 have a good anti-seepage effect, so that the river water is prevented from permeating into a foundation soil layer below the concrete bottom plate 3, the foundation soil layer is not easy to drive the concrete bottom plate 3 to sink, the possibility of engineering repair and reinforcement is reduced, and enterprise cost is saved to a certain extent.
Referring to fig. 2 and 3, two sides of the lock chamber 1 are provided with installation cavities 21, the installation cavities 21 on the two sides are respectively communicated with the access door grooves 20 on the two sides, a bearing plate 8 for bearing the bottom wall of the access door 7 is rotatably arranged in the installation cavity 21, one side of each access door groove 20 is provided with an opening 22 for the bearing plate 8 to rotate in or out, the rotation axis of the bearing plate 8 is parallel to the sliding direction of the access door 7, a driving part for driving the bearing plate 8 to rotate towards the direction close to or away from the access door 7 is arranged on the lock chamber 1, the driving part comprises a screw 9 which is threaded on the lock chamber 1, the screw 9 and the bearing plate 8 are in one-to-one correspondence, the rotation axis of the screw 9 is parallel to the rotation axis of the bearing plate 8, the screw 9 is fixedly connected with the corresponding bearing plate 8, and when the bearing plate 8 is driven by the screw 9 to rotate towards the direction close to the access door 7, the screw 9 slides upwards; one end of the screw rod 9, which is far away from the adapting plate 8, is positioned outside the lock chamber 1, and one end of the screw rod 9, which is far away from the adapting plate 8, is fixedly connected with a handle 23, so that a worker can conveniently rotate the screw rod 9; the inclined strut 10 is obliquely fixed on the screw rod 9, one end, far away from the screw rod 9, of the inclined strut 10 is fixedly connected to the bearing plate 8, in the embodiment, the inclined strut 10 is provided with two inclined struts 10, the two inclined struts 10 are respectively located on the upper side and the lower side of the bearing plate 8, in the embodiment, the thread pitch of the threads on the screw rod 9 is 2mm, the bearing plate 8 is favorable for supporting the bottom wall of the access door 7, and in other embodiments, the screw rod 9 with other thread pitches can be selected as required.
When the access door 7 is not used, the access door 7 is lifted to a required height, the handle 23 is rotated, the screw 9 drives the bearing plate 8 to rotate towards the direction close to the access door 7 until the bearing plate 8 is rotated into the access door groove 20, and in the process that the screw 9 drives the bearing plate 8 to rotate towards the direction close to the access door 7, the screw 9 drives the bearing plate 8 to slide upwards for a certain distance, so that the bearing plate 8 is tightly abutted against the bottom wall of the access door 7, the access door 7 is supported to a certain degree, the pulling force of the access door 7 on a winch above is reduced, the service life of the winch can be prolonged, and the enterprise cost is saved; the arrangement of the inclined strut 10 strengthens the structural stability between the bearing plate 8 and the screw 9, so that the bearing plate 8 is not easy to break.
When the access door 7 needs the during operation, turning handle 23 makes screw rod 9 drive and accepts board 8 and rotate towards the direction of keeping away from access door 7, and screw rod 9 drives simultaneously and accepts board 8 and moves the certain distance down, will accept in board 8 changes over to installation cavity 21, and then can drop access door 7 to with concrete bottom plate 3 butt, block the river.
Referring to fig. 2 and 3, the top wall of the socket plate 8 is covered with a smooth layer 19 for reducing the friction force between the socket plate 8 and the bottom wall of the access door 7, in this embodiment, the smooth layer 19 is a teflon layer; in other embodiments, the polytetrafluoroethylene layer may be replaced with a fluorinated graphene layer. The setting of smooth layer 19 makes and accepts the board 8 when rotating, reduces and the access door 7 between the diapire friction, and then helps using manpower sparingly, reduces the wearing and tearing to the access door 7 diapire simultaneously.
Referring to fig. 3 and 4, a gear 11 is fixedly sleeved at one end of the screw 9 far away from the bearing plate 8, a limiting member for limiting the rotation of the gear 11 is arranged on the lock chamber 1, the limiting member comprises a limiting tooth 12 which is slidably arranged on the lock chamber 1, the limiting tooth 12 is engaged with the gear 11, the sliding direction of the limiting tooth 12 is perpendicular to the rotation axis of the screw 9, the limiting tooth 12 slides towards the direction close to or far away from the gear 11, a sliding seat 13 is fixedly connected to the limiting tooth 12, the longitudinal section of the sliding seat 13 is in a T shape, the sliding seat 13 slides on the lock chamber 1, and an adjusting groove 24 which is in sliding fit with the sliding seat 13 is formed in the lock chamber 1. In other embodiments, the gear 11 and the limiting member can be replaced by a sleeve plate fixedly sleeved on the screw 9 and a bolt with a thread penetrating through the sleeve plate, a threaded hole matched with the bolt in a threaded manner is formed in the chamber 1, and the sleeve plate can be limited to rotate by adopting a threaded connection mode of the bolt and the threaded hole, so that the rotation of the screw 9 is limited.
Referring to fig. 3 and 4, a limiting piece 14 is slidably sleeved on the sliding seat 13, the sliding direction of the limiting piece 14 is parallel to the rotation axis of the screw 9, limiting holes 18 are formed at two ends of the limiting piece 14, two fixing columns 15 are fixedly connected to the chamber 1, in the embodiment, the fixing columns 15 are steel columns and have certain elasticity, the two fixing columns 15 are located at two sides of the adjusting groove 24, an arc-shaped bulge 16 is fixedly connected to one end of each fixing column 15, which is far away from the chamber 1, the arc-shaped bulge 16 protrudes outwards in the direction far away from the fixing column 15, a through groove 17 is formed in the center positions of the fixing columns 15 and the arc-shaped bulge 16, the through groove 17 spans the fixing columns 15 and the arc-shaped bulge 16, the arc-shaped bulge 16 is used for penetrating through the limiting holes 18 on the limiting piece 14 and abutting against one side, which is far away from the chamber 1, of the fixing columns 15 is smaller than the diameter of the arc-shaped bulge 16, and the diameter of the limiting holes 18 is smaller than the diameter of the side, which is close to the fixing columns 15, when the limiting teeth 12 are engaged with the gear 11, the arc-shaped protrusions 16 are aligned with the limiting holes 18 on the limiting piece 14.
When needing restriction screw 9 to rotate, the orientation is close to screw 9's direction slip sliding seat 13, make and prescribe a limit to tooth 12 and gear 11 meshing, spacing hole 18 on the spacing piece 14 aligns arc arch 16 this moment, then press down spacing piece 14, make the inner wall of spacing hole 18 and the cambered surface of arc arch 16 take place relative slip, thereby make the fixed column 15 of leading to groove 17 both sides drive arc arch 16 and be close to each other, make arc arch 16 and fixed column 15 pass spacing hole 18 on spacing piece 14, arc arch 16 and spacing piece 14 keep away from one side butt of lock chamber 1, and then restrict sliding seat 13's slip, prescribe a limit to tooth 12 and prescribe a limit to gear 11, make when not using access door 7, accept board 8 accepts access door 7, the difficult handle 23 that rotates of non-operating personnel drives accept board 8 and rotates.
When the screw rod 9 needs to be rotated, the arc-shaped protrusions 16 on the two sides of the through groove 17 are pinched, the arc-shaped protrusions 16 on the two sides are made to approach each other, then the limiting sheet 14 is slid upwards, the limiting sheet 14 and the arc-shaped protrusions 16 are made to break away, the sliding seat 13 can slide towards the direction far away from the gear 11, and then the handle 23 can be rotated to drive the screw rod 9 to rotate.
The implementation principle of the embodiment of the application is as follows: when the access door 7 is not used, the access door 7 is lifted to a required height, the handle 23 is rotated, the screw 9 drives the bearing plate 8 to rotate towards the direction close to the access door 7 until the bearing plate 8 is rotated to the position below the access door 7, and meanwhile, the screw 9 drives the bearing plate 8 to slide upwards for a certain distance, so that the bearing plate 8 is tightly abutted against the bottom wall of the access door 7, the access door 7 is further supported to a certain extent, the service life of a winch above the access door 7 is prolonged, and the enterprise cost is saved; then towards the direction slip seat 13 that is close to screw 9, make and prescribe a limit to tooth 12 and gear 11 meshing, then press down spacing piece 14, make spacing hole 18 and the cambered surface of arc arch 16 on the spacing piece 14 take place relative slip, make arc arch 16 and fixed column 15 pass spacing hole 18 on the spacing piece 14, arc arch 16 and spacing piece 14 keep away from one side butt of lock chamber 1, and then make and prescribe a limit to tooth 12 and prescribe a limit to gear 11, make when not using access door 7, screw 9 is difficult for being rotated by non-staff.
When the access door 7 needs to work, the arc-shaped protrusions 16 on the two sides of the through groove 17 are pinched to enable the arc-shaped protrusions 16 on the two sides to approach each other, then the limiting piece 14 is slid upwards to enable the limiting piece 14 and the arc-shaped protrusions 16 to be separated, and the sliding seat 13 is slid towards the direction far away from the gear 11 to enable the limiting teeth 12 and the gear 11 to be separated; then twist grip 23 drives screw rod 9 and accepts 8 orientation rotations of keeping away from access door 7 of board, and screw rod 9 drives simultaneously and accepts board 8 and move down the certain distance, will accept board 8 and change over to installation cavity 21 in, and then can with access door 7 drop to with 3 butts of concrete bottom plate, block the river to in the maintenance is carried out towards sand lock working door 2.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a dash husky gate structure, includes lock chamber (1), dashes husky gate working door (2) and is used for with dashing concrete bottom plate (3) of husky gate working door (2) diapire butt, its characterized in that: the lock chamber (1) both sides reserve has work gate groove (4) that are used for towards sand lock working door (2) direction, the concrete strength on concrete bottom plate (3) surface is higher than the concrete strength of work gate groove (4) inner wall, concrete bottom plate (3) embedded be equipped with stagnant water copper sheet (5) that are used for the prevention of seepage.
2. The sand-washing gate structure of claim 1, wherein: the concrete bottom plate (3) is embedded with a rubber waterstop (6), and the rubber waterstop (6) is located below the water stop copper sheet (5).
3. The sand sluicing gate structure according to claim 1, wherein: still including sliding access door (7) that set up on floodgate room (1), floodgate room (1) internal rotation is provided with two that are used for accepting access door (7) diapire both sides respectively and accepts board (8), the axis of rotation of accepting board (8) is on a parallel with the slip direction of access door (7), be provided with on floodgate room (1) and be used for ordering about and accept board (8) orientation and be close to or keep away from the direction pivoted driving piece of access door (7).
4. A sand-washing gate structure according to claim 3, wherein: the driving piece includes screw rod (9) that the screw thread wore to establish on floodgate room (1), screw rod (9) and accept board (8) one-to-one, the axis of rotation of screw rod (9) is on a parallel with the axis of rotation of accepting board (8), screw rod (9) and the board (8) connection of accepting that corresponds, work as screw rod (9) drive accept board (8) when rotating to the direction that is close to access door (7), screw rod (9) lapse.
5. The sand sluicing gate structure according to claim 4, wherein: the inclined strut is arranged on the screw rod (9) in an inclined mode, and one end, far away from the screw rod (9), of the inclined strut (10) is arranged on the bearing plate (8).
6. The sand sluicing gate structure according to claim 4, wherein: one end of the screw (9) far away from the bearing plate (8) is sleeved with a gear (11), and a limiting piece used for limiting the rotation of the gear (11) is arranged on the brake chamber (1).
7. The sand sluicing gate structure according to claim 6, wherein: the limiting piece comprises a limiting tooth (12) arranged on the lock chamber (1) in a sliding mode, the limiting tooth (12) is used for being meshed with the gear (11), the limiting tooth (12) slides towards the direction close to or far away from the gear (11), and the sliding direction of the limiting tooth (12) is perpendicular to the rotating axis of the screw rod (9).
8. The sand-washing gate structure of claim 7, wherein: the gate is characterized in that a sliding seat (13) is arranged on the limiting tooth (12), the sliding seat (13) slides on the gate chamber (1), the sliding direction of the sliding seat (13) is perpendicular to the rotation axis of the screw (9), a limiting sheet (14) slides on the sliding seat (13), the sliding direction of the limiting sheet (14) is parallel to the rotation axis of the screw (9), a fixing column (15) is arranged on the gate chamber (1), an arc-shaped bulge (16) is arranged at one end, far away from the gate chamber (1), of the fixing column (15), a through groove (17) is formed in the central position of the arc-shaped bulge (16), the through groove (17) stretches across the fixing column (15) and the arc-shaped bulge (16), a limiting hole (18) is formed in the limiting sheet (14), the arc-shaped bulge (16) is used for penetrating through the limiting hole (18) in the limiting sheet (14) and one side, far away from the gate chamber (1), of the limiting sheet (14) are abutted against each other side, when the limiting teeth (12) are meshed with the gear (11), the arc-shaped protrusions (16) are aligned with limiting holes (18) in the limiting pieces (14).
9. A sand-washing gate structure according to claim 3, wherein: and a smooth layer (19) for reducing the friction force between the bearing plate (8) and the bottom wall of the access door (7) is arranged on the top wall of the bearing plate (8).
CN202220700375.9U 2022-03-28 2022-03-28 Sand flushing gate structure Active CN217026955U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220700375.9U CN217026955U (en) 2022-03-28 2022-03-28 Sand flushing gate structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220700375.9U CN217026955U (en) 2022-03-28 2022-03-28 Sand flushing gate structure

Publications (1)

Publication Number Publication Date
CN217026955U true CN217026955U (en) 2022-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220700375.9U Active CN217026955U (en) 2022-03-28 2022-03-28 Sand flushing gate structure

Country Status (1)

Country Link
CN (1) CN217026955U (en)

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Address after: 641399 No. 98 waixi street, Yanjiang District, Ziyang City, Sichuan Province

Patentee after: Sichuan Shuifa Construction Co.,Ltd.

Address before: 641399 No. 98 waixi street, Yanjiang District, Ziyang City, Sichuan Province

Patentee before: Sichuan water conservancy and Electric Power Engineering Bureau Co.,Ltd.