CN-224213232-U - Gate structure is regulated and control to farmland water diversion opening

CN224213232UCN 224213232 UCN224213232 UCN 224213232UCN-224213232-U

Abstract

The application relates to the technical field of regulating gates, in particular to a farmland water diversion opening regulating gate structure which comprises a lower movable gate, an upper fixed gate, a gate frame, a fixer, a chain and a fixing rod, wherein the gate frame is fixed at the boundary of a main channel and a side channel, a contact surface is sealed by glass cement to stop water, the upper fixed gate is rigidly connected with the gate frame, the lower movable gate is slidably matched with the gate frame along the vertical direction through a sliding rail in the gate frame, the lower movable gate is 2-3cm longer than the upper fixed gate, the chain consists of a plurality of closed links, the chain is fixed at the top of the lower movable gate through the fixer, the top end of the chain is connected with a pull ring, the fixing rod is vertically arranged at the upper part of the gate frame, the pull ring is locked at the opening of the lower movable gate through sleeving the fixing rod, a stilling pool and a sea diffusion are arranged at the downstream of the side channel, and the sea diffusion is laid by a grout stone. The application can improve the channel water distribution and water resource utilization efficiency and enhance the channel irrigation accuracy.

Inventors

ZHANG WENMIN
WU YAN
LIU YONGFENG
WU GUANGHUA
FENG FENG
LIU WENXIAN
Lv Panpan
YAO JIANSHUN
LIU YINGJUN
FAN XUBIN
WANG WENE
ZHAO ZONGRUI
LIU DUKUN
HU ZUOLONG
HU XIAOTAO
ZHAO HAIBIN
DUAN TONG
ZUO YANFEI
CHANG DONGMING
CUI HONGWEI
SHEN ZHENZHOU
FU ZHAOFENG
CAO QI
LI SHUANGJIANG
YAO WENYI
DU YIYING
YANG LI

Assignees

河南水环境勘测设计有限公司
西北农林科技大学
黄河水利委员会黄河水利科学研究院

Dates

Publication Date: 20260508
Application Date: 20250410

Claims (10)

1. The farmland water diversion opening regulating and controlling gate structure is characterized by comprising a lower movable gate (1), an upper fixed gate (2), a gate frame (3), a fixer (4), a chain (5) and a fixed rod (6); The gate frame (3) is fixed at the boundary between the main channel (8) and the side channel, and the contact surface is sealed by glass cement to stop water; The upper fixed gate (2) is rigidly connected with the gate frame (3), the lower movable gate (1) is in sliding fit with the gate frame (3) along the vertical direction through a sliding rail in the gate frame (3), and the lower movable gate (1) is 2-3cm longer than the upper fixed gate (2); The chain (5) consists of a plurality of closed chain rings, the chain (5) is fixed at the top of the lower movable gate (1) through a fixer (4), and the top end of the chain (5) is connected with a pull ring (7); The fixed rod (6) is vertically arranged at the upper part of the gate frame (3), and the pull ring (7) locks the opening of the lower movable gate (1) by sleeving the fixed rod (6); The lower stream of the side channel is provided with a stilling pool (9) and a sea surface (10), the bottom elevation of the stilling pool (9) is lower than the bottom of the side channel, and the sea surface (10) is paved with the serous masonry.
2. The farmland water diversion opening regulating and controlling gate structure according to claim 1, wherein rubber water stop strips are arranged between contact surfaces of the upper fixed gate (2) and the gate frame (3) and between contact surfaces of the lower movable gate (1) and the gate frame (3), and water stop steel plates are embedded in the gate frame (3), wherein the thickness is more than or equal to 3mm, and the width is more than or equal to 10cm.
3. The farmland water diversion gate structure according to claim 1, wherein the gate frame (3) is adapted to the side slope coefficient of the main channel (8), the net width calculation formula of the lower movable gate (1) and the upper fixed gate (2) is b=b-2 d, wherein B is the total width of the gate structure, d is the width of the single-side gate frame, and d has a value range of 2-4cm; The slide rail in the gate frame (3) is adapted to the sides of the lower movable gate (1) and the upper fixed gate (2) to limit the horizontal displacement of the lower movable gate (1) and the upper fixed gate (2).
4. The farmland water diversion opening regulating and controlling gate structure according to claim 1 is characterized in that links of the chain (5) adopt different colors to mark opening grades, the opening grades comprise full opening, half opening and quarter opening, the radius of the pull ring (7) is 4cm, and the fixed rod (6) is completely sleeved when the gate is fully closed.
5. The farmland water diversion opening regulating and controlling gate structure according to claim 1, wherein the lower movable gate (1) has a thickness of 3mm-2cm and can be reversely arranged on the other side of the gate frame (3) to realize opening direction adjustment; the fixing device (4) is an angle steel with the angle of 90 degrees, one side of the fixing device (4) is arranged on the lower movable gate (1), and the other side of the fixing device (4) is provided with a hole for installing a chain (5).
6. The farmland water diversion opening regulating and controlling gate structure according to claim 1, wherein the ratio of the guard length of the stilling pool (9) to the channel width is 1:1.5-2.0, the end of the sea surface (10) is provided with an anti-flushing groove, the length of the sea surface (10) is more than or equal to 3 times of the side channel width, and the surface gradient of the sea surface (10) is less than or equal to 1:10.
7. The farmland water diversion regulating and controlling gate structure according to claim 1, wherein: the fixed rod (6) is provided with scale marks, the scale marks correspond to the opening percentage and the flow value of the lower movable gate (1), and the precision error is less than or equal to 5%.
8. The farmland water diversion gate structure according to claim 1, wherein the surfaces of the lower movable gate (1) and the upper fixed gate (2) are coated with wear-resistant ceramic coating, the thickness is 0.2-0.5mm, and the hardness is more than or equal to HV800.
9. The farmland water diversion opening regulating and controlling gate structure according to claim 1 is characterized in that slide rails in the gate frame (3) are made of galvanized steel, the bottom of the gate frame (3) is embedded into the main channel (8) and is flush with the bottom elevation of the main channel (8), and slide rail limiting grooves are formed in the lower portion of the upper fixed gate (2) so as to prevent the gate from shifting.
10. The farmland water diversion opening regulating and controlling gate structure according to claim 1, wherein the bottom of the lower movable gate (1) is provided with a balancing weight, and the balancing weight is 1.2-1.5 times of the weight of the lower movable gate (1) and is used for enhancing the closure tightness.

Description

Gate structure is regulated and control to farmland water diversion opening Technical Field The application relates to the technical field of regulating gates, in particular to a farmland water diversion opening regulating gate structure. Background The channel water diversion openings are important buildings for water distribution and scheduling of water delivery channels in the irrigation areas, and in actual operation, the water delivery system distributes flow according to water demand and adjustable water quantity, and the distributed water quantity is delivered to irrigation positions through control and scheduling of the control gates and the water diversion gates. The throttle gate is a sluice gate which is built in the channel and used for adjusting the upstream water level and controlling the downstream flow, is usually built at the downstream positions of the water diversion gate and the water drainage gate, and lifts the water level to play roles of water diversion and drainage. The diversion gate is built at the irrigation channel bifurcate for distributing water delivery, and the flow from the upper channel is distributed to the lower channel in proportion, so that the diversion gate can be used as a water facility. The hydraulic performance of the gate can directly influence engineering safety, stability and economic benefit, at present, researchers aim at the shunt quantity and water level change research of trapezoid channel water diversion openings under the regulation and control of the throttle gates with different sizes and sizes, but the influence research on the regulation and control capability of the water diversion gate arrangement mode and the position on the water level and the flow of the main channel and the overflow rule is less, and the improvement is needed by exploring the water diversion gate arrangement mode and the position to help to improve the channel water distribution and water resource utilization efficiency and enhance the channel irrigation accuracy. Disclosure of utility model In order to improve channel water distribution and water resource utilization efficiency and enhance channel irrigation accuracy, the application provides a farmland water diversion outlet regulating gate structure. The application provides a farmland water diversion opening regulating gate structure, which adopts the following technical scheme that the farmland water diversion opening regulating gate structure comprises a lower movable gate, an upper fixed gate, a gate frame, a fixer, a chain and a fixing rod; the gate frame is fixed at the boundary of the main channel and the side channel, and the contact surface is sealed by glass cement to stop water; The upper fixed gate is rigidly connected with the gate frame, the lower movable gate is in sliding fit with the gate frame along the vertical direction through a sliding rail in the gate frame, and the lower movable gate is 2-3cm longer than the upper fixed gate; The chain consists of a plurality of closed chain rings, the chain is fixed at the top of the lower movable gate through a fixer, and the top end of the chain is connected with a pull ring; the fixed rod is vertically arranged at the upper part of the gate frame, and the pull ring is sleeved into the fixed rod to lock the opening of the lower movable gate; the lower stream of the side channel is provided with a stilling pool and a sea diffuser, the elevation of the bottom of the stilling pool is lower than that of the bottom of the side channel, and the sea diffuser is laid by the stone masonry. Optionally, rubber water stop strips are arranged between the contact surfaces of the upper fixed gate and the gate frame and between the contact surfaces of the lower movable gate and the gate frame, and water stop steel plates are embedded in the gate frame, wherein the thickness is more than or equal to 3mm, and the width is more than or equal to 10cm. Optionally, the gate frame is adapted to the slope coefficient of the main channel, the calculation formula of the clear width of the lower movable gate and the upper fixed gate is b=b-2 d, wherein B is the total width of the gate structure, d is the width of the single-side gate frame, and d has a value range of 2-4cm; the slide rail in the gate frame is adapted to the sides of the lower movable gate and the upper fixed gate to limit the horizontal displacement of the lower movable gate and the upper fixed gate. Optionally, the chain ring of the chain adopts different colors to mark opening grades, including full opening, half opening and quarter opening, the radius of the pull ring is 4cm, and the fixed rod is completely sleeved when the gate is fully closed. Optionally, the thickness of the lower movable gate is 3mm-2cm, and the lower movable gate can be reversely arranged on the other side of the gate frame to realize opening direction adjustment; the fixer is 90-degree angle steel, one side of the fixer is arranged on the lower mov