CN219118079U

CN219118079U - Gate dredging mechanism

Info

Publication number: CN219118079U
Application number: CN202320300131.6U
Authority: CN
Inventors: 陆晓俊; 黄冰玺; 董宇峰; 张国泰; 郭依萌
Original assignee: Hohai University HHU
Current assignee: Hohai University HHU
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-02
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a gate dredging mechanism, which belongs to the field of hydraulic engineering equipment, and comprises a transverse plate fixed at the top end of a U-shaped ditch wall body, wherein a frame is fixed on the transverse plate, a driving shaft is rotationally connected to the frame, and a pull rope is wound on the driving shaft; a fixed frame is arranged at the position, close to the lower end, of the inner wall of the ditch wall body, and the fixed frame is positioned at one side of the flashboard facing water flow; two opposite inner walls of the canal wall are vertically provided with sliding grooves, two opposite surface walls of the fixed frame are fixedly provided with sliding blocks, and the sliding blocks are movably clamped in the sliding grooves and vertically slide along the sliding grooves; the driving shaft enables the fixed frame to slide along the chute through the pull rope; a plurality of long rods are fixed on the fixed frame, each long rod is distributed along the horizontal direction, and each long rod is not contacted with each other. The mechanism can remove sludge by utilizing water flow when opening the gate, and the gate opening time is not influenced.

Description

Gate dredging mechanism

Technical Field

The utility model relates to the field of hydraulic engineering equipment, in particular to a gate dredging mechanism.

Background

The flashboard is mainly used for closing and opening a water channel, can intercept water flow, control water level, regulate flow, discharge sediment, floats and the like in use, and is integrally arranged on a frame formed by reinforced concrete. In daily use, if the flashboard is not opened for a long time, the sludge is accumulated at the bottom of the flashboard, or is adhered to the surface of the flashboard, so that the sludge can not only cause certain corrosion to the flashboard, but also influence the water control effect of the flashboard, and also cause certain influence on the lifting of the flashboard.

The authority bulletin number CN208105195U discloses a river flashboard with dredging function, which comprises a mud guard, a controller, a sludge pump and a submersible pump. In this patent, the silt that mixes in the river water is collected in the silt sedimentation tank under the effect of fender, and silt siltation thickness measuring device in the silt sedimentation tank monitors silt siltation volume to with signal feedback to the controller, the controller can control immersible pump and dive silt pump action, in the dive silt pump extracted silt to silt recycle bin, immersible pump extraction river water and is impacted to silt through the shower nozzle, prevents that silt from adsorbing, and is more thorough to silt clearance.

In this prior patent, sludge pump and immersible pump have been adopted, although can be to the fine collection of mud or silt, but the flashboard must be the closed condition in the collection process, again because the collection time of mud can be very long, can not accomplish in very short time, need more than 10 minutes at least, so influence the time of opening the floodgate of flashboard.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a gate dredging mechanism, which aims to solve the technical problem that the water flow is utilized to clear sludge when a gate is opened, and the opening time is not influenced.

In order to achieve the aim, the utility model provides a gate dredging mechanism which comprises a transverse plate fixed at the top end of a U-shaped ditch wall body, wherein a frame is fixed on the transverse plate, a driving shaft is rotatably connected to the frame, and a pull rope is wound on the driving shaft;

a fixed frame is arranged at the position, close to the lower end, of the inner wall of the ditch wall body, and the fixed frame is positioned at one side of the flashboard facing water flow; two opposite inner walls of the canal wall are vertically provided with sliding grooves, two opposite surface walls of the fixed frame are fixedly provided with sliding blocks, and the sliding blocks are movably clamped in the sliding grooves and vertically slide along the sliding grooves; the driving shaft enables the fixed frame to slide along the chute through the pull rope;

a plurality of long rods are fixed on the fixed frame, each long rod is distributed along the horizontal direction, and each long rod is not contacted with each other.

Further, a first fixed pulley is fixed on the inner wall of the canal wall, a second fixed pulley is fixed on the lower surface wall of the transverse plate, one end of the pull rope is wound on the outer circumferential wall of the driving shaft, the other end of the pull rope sequentially winds the second fixed pulley and the first fixed pulley, and the first fixed pulley and the second fixed pulley are at the same height; the fixed frame is fixed with on two opposite table walls and draws the piece, draws the piece and is in directly over the first fixed pulley, has seted up the constant head tank along vertical on two opposite inner walls of ditch wall body, draws the movable card of piece to establish in the constant head tank and along the vertical slip of constant head tank, and the one end and the piece fixed connection that draws of stay cord bypass first fixed pulley.

Because the first fixed pulley is positioned right above the pull block, the pull force of the pull rope to the pull block is vertically upwards; and because the first positioning block and the second positioning block are positioned at the same height, the stress of the pull rope is horizontal between the first fixed pulley and the second fixed pulley. Therefore, the pulling force of the pull rope on the fixed frame is vertical upwards and is consistent with the direction of the sliding groove, and the fixed frame is pulled to move more smoothly.

Further, the number of the first fixed pulleys is two, and the first fixed pulleys are respectively arranged on the two inner walls corresponding to the canal wall; the second fixed pulley and the pull rope are correspondingly provided with two fixed pulleys; the drive shaft is sleeved with a separation disc, the separation disc is fixedly connected with the circumferential outer wall of the drive shaft, the separation disc extends along the radial direction of the drive shaft, and two pull ropes are respectively wound on two sides of the separation disc when seen along the axis of the drive shaft.

The separation disc separates the two pull ropes from each other, so that the two pull ropes cannot be wound together, and the situation that the fixed frame moves unsmoothly cannot be caused naturally.

Further, a scraping plate is fixed on the fixed frame, two ends of the scraping plate, facing to the inner wall of the ditch wall, of the ditch wall are respectively movably clamped, vertical grooves are formed in two opposite inner walls of the ditch wall, the vertical grooves are vertically formed, the scraping plate vertically slides along the vertical grooves, and the scraping plate contacts with one side surface of the flashboard, facing to water flow.

The scraping plate moves along with the vertical movement of the fixed frame, and the scraping plate and the flashboard generate relative displacement, so that residual sludge on the flashboard is scraped.

Further, be connected with the montant in the spout, the axis of montant is along vertical direction, and the upper surface wall and the lower surface wall at the spout are fixed respectively at the both ends of montant, and the slider cover is established on the montant, and the slider slides along the axis of montant.

The sliding direction of the sliding block is more accurate by utilizing the sliding guide of the vertical rod to the sliding block, and the sliding block can only move along the vertical direction.

Further, the end face of the separation disc is annular.

The annular separation disc is easy to manufacture, and the purpose of separating the two pull ropes can be met.

The beneficial effects are that: the fixed frame, the driving shaft and the pull rope are arranged, the pull rope is wound by utilizing the rotation of the driving shaft, then the pull rope pulls the fixed frame to move vertically, and as the long rod on the fixed block is buried in the sludge, the sludge is loosened due to the vertical movement of the fixed frame, and the loosened sludge flows through the flashboard along with water flow.

Compared with the prior art, the dredging mechanism can carry out dredging when the gate is opened to drain water, and the opening of the gate is not influenced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of a slider of the present utility model;

FIG. 3 is a front cross-sectional view of a pull block of the present utility model;

FIG. 4 is an enlarged view of FIG. 3A in accordance with the present utility model;

fig. 5 is a top cross-sectional view of the fixing frame of the present utility model.

1. A raceway wall; 2. a dredging assembly; 201. a fixed frame; 202. a long rod; 203. a slide block; 204. a chute; 205. a vertical rod; 206. a second fixed pulley; 207. a frame; 208. a drive shaft; 209. a separation plate; 210. a crank; 211. a first fixed pulley; 212. pulling blocks; 213. a positioning groove; 214. a pull rope; 3. a flashboard; 4. a cross plate; 5. a support column; 6. a top plate; 7. a screw; 8. a hoist; 9. a scraper.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are 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.

Referring to fig. 1, a gate dredging mechanism comprises a canal wall body 1, wherein the end face of the canal wall body is U-shaped, and the length direction of the canal wall body is along the X direction in fig. 1. The position on the inner wall of the canal wall body 1, which is close to the top end, is fixedly provided with a transverse plate 4, two opposite ends of the transverse plate 4 are respectively fixed on two opposite inner walls of the canal wall body 1, and the upper surface wall of the transverse plate 4 is horizontally arranged.

The upper surface wall of the transverse plate 4 is fixed with a frame 207, and the frame 207 is -shaped as seen in the X direction in fig. 1, and the opening is downward. The frame 207 is rotatably connected with a drive shaft 208, and the axis of the drive shaft is horizontally disposed. A crank 210 is fixed at one end of the driving shaft 208, so that the driving shaft 208 can be conveniently rotated, and a handle sleeve is sleeved on the crank 210. The inner wall of the ditch wall body 1 is movably connected with a dredging assembly 2, a driving shaft 208 is connected with the dredging assembly 2, and the driving shaft 208 is used for driving the dredging assembly 2 to dredge.

Referring to fig. 2 and 5, a plurality of sliding grooves 204 are formed in two opposite inner walls of the canal wall 1, the sliding grooves 204 extend in the vertical direction, and the dredging assembly 2 comprises a fixed frame 201, wherein the fixed frame 201 is positioned on one side, close to the upstream, of the flashboard 3. The fixing frame 201 is in a shape of when seen vertically, and the opening is oriented to the upstream side and horizontally placed. A plurality of sliding blocks 203 are fixed on two opposite surface walls of the fixed frame 201, and the sliding blocks 203 are movably clamped in corresponding sliding grooves 204. The fixed frame 201 vertically slides along the sliding groove 204 by virtue of the sliding block 203, the lower end of the sliding groove 204 extends to the lowest end of the inner wall of the canal wall 1, and the fixed frame 201 is placed on the inner wall of the lower end of the canal wall 1 under the self weight.

The chute 204 is connected with a vertical rod 205, the axis of the vertical rod 205 is along the vertical direction, and two ends of the vertical rod 205 are respectively fixed on the upper surface wall and the lower surface wall of the chute 204. The slider 203 is sleeved on the vertical rod 205, the slider 203 slides along the axis of the vertical rod 205, and the vertical rod 205 provides a guiding function for the sliding of the slider 203.

A plurality of long rods 202 are fixed on the fixed frame 201, each long rod 202 is uniformly distributed along the horizontal direction, the direction of the long rods 202 is not limited, and each long rod 202 is not contacted with each other. In the initial state, when the fixing frame 201 is positioned at the inner wall of the lower end of the canal wall 1, the long rod 202 is also close to the inner wall of the lower end of the canal wall 1, and the long rod 202 is buried by the sludge accumulated at the lower surface wall of the canal wall 1.

Positioning grooves 213 are formed in two opposite inner walls of the ditch wall body 1, and the positioning grooves 213 extend in the vertical direction. Two opposite outer walls of the fixed frame 201 are respectively fixed with a pull block 212, and the pull blocks 212 are movably clamped in the positioning grooves 213 and vertically slide along the positioning grooves 213. A pull rope 214 is respectively connected between the two pull blocks 212 and the driving shaft 208, one end of the pull rope 214 is fixed on the pull block 212, the other end of the pull rope 214 passes through the transverse plate 4 and is wound on the driving shaft 208, and the pull rope 214 is in a tightening state. The pull cord 214 is wound around the drive shaft 208, and the pull cord 214 moves the fixed frame 201 and the respective long rods 202 upward along the chute 204 as a whole via the pull block 212.

Two groups of pulley blocks are arranged on the inner wall of the canal wall body 1 and the lower surface wall of the transverse plate 4 and are arranged in parallel along the horizontal direction perpendicular to the X direction. Two pull ropes are correspondingly arranged, and the two pulley blocks are respectively used for changing the pulling force direction of the corresponding pull ropes 214.

Referring to fig. 3, the pulley block includes a first fixed pulley 211 and a second fixed pulley 206, and the first fixed pulley 211 is fixed on the inner wall of the canal wall 1. The first fixed pulley 211 is used for converting the pull rope 214 from a vertical state to a horizontal state, and the first fixed pulley 211 is positioned right above the pull block 212; the second fixed pulley 206 is fixed on the lower surface wall of the transverse plate 4, the pull rope 214 also bypasses the second fixed pulley 206, the second fixed pulley 206 is used for converting the pull rope 214 from a horizontal state to a vertical state, and the second fixed pulley 206 and the first fixed pulley 211 are positioned at the same height. One end of the pull rope 214 is wound on the driving shaft, the other end of the pull rope 214 sequentially winds around the second fixed pulley 206 and the first fixed pulley 211, and the first fixed pulley 211 and the second fixed pulley 206 are only used for changing the direction of the tensile force of the pull rope 214, and the pulling force is not changed, but only used for enabling the pull block 212 to slide along the positioning groove 213 better after the driving shaft 208 rotates.

Referring to fig. 4, in order to prevent the two pulling ropes 214 from being entangled with each other when they are wound around the driving shaft 208, a partition plate 209 is fitted around the driving shaft 208, and the end surface of the partition plate 209 is circular and fixed to the driving shaft 208. In other embodiments, the divider disk 209 may be other shapes as long as the divider disk diverges outwardly a length along the axis of the drive shaft 208. The divider disk 209 is selected to be annular in shape due to ease of manufacture. The two pulling ropes 214 are located on both sides of the separation plate 209 as seen in the axial direction of the driving shaft 208. The separation disc expands outwardly a certain distance along the axial direction of the driving shaft 208 and is limited by the separation disc 209, so that the two pulling ropes 214 wound around the driving shaft 208 cannot contact each other.

Referring to fig. 5, a scraper 9 is fixed to the fixed frame 201, and the scraper 9 is provided on the upstream side of the shutter 3. The two ends of the scraping plate 9 facing the inner wall of the canal wall body 1 are respectively movably clamped on the canal wall body 1, and a vertical groove (not shown in the figure) for sliding the scraping plate 9 is formed in the canal wall body 1 and is vertically arranged. The scraper 9 is in contact with the surface of the shutter 3 facing the water flow.

The scraper 9 moves along with the up-and-down movement of the fixed frame 201, so that relative displacement is generated between the scraper 9 and the flashboard 3, when the scraper 9 moves on the surface of the flashboard 3, the sludge attached on the surface of the flashboard 3 can be scraped off, and the corrosion of the flashboard 3 caused by the sludge can be reduced.

See fig. 1, the upper surface wall of the canal wall 1 of the application is fixedly provided with two support columns 5, the axes of the support columns 5 are vertically arranged, top plates 6 are arranged on the two support columns 5, and the top plates 6 are fixedly connected with the two support columns 5 at the same time. The roof 6 spanned the top at canal wall 1, and threaded connection has screw rod 7 on the roof 6, and the axis of screw rod 7 is along vertical direction, and screw rod 7's lower extreme passes through the bearing rotation with flashboard 3 to be connected, and flashboard 3 is towards the both ends of canal wall 1 inner wall, and the slip type card is established on canal wall 1 respectively, and flashboard 3 is along the vertical removal of canal wall 1. The upper surface wall of the top plate 6 is fixed with a hoist 8 for controlling the screw 7 to descend or ascend while rotating, thereby controlling the flashboard 3 to ascend and descend.

The device is used in the process of

Opening the gate plate 3 to enable water flow to flow through the gate plate 3, then standing on the transverse plate 4 by a user to rotate the driving shaft 208 to enable the pull rope 214 to wind up, enabling the pull rope 214 to pull the fixed frame 201 to start to move upwards from the lower surface wall of the canal wall 1, enabling the long rod 202 to be originally buried in sludge, loosening the accumulated sludge in the upward moving process, and enabling the loose sludge to flow through the gate plate 3 along with the water flow;

then the driving shaft 208 is loosened, the long rod 202 falls into the sludge again under the self gravity of the fixed frame 201, and the pull rope 214 is unreeled; the rope 214 is then rewound, the long rod 202 moves upwards again and breaks up the sludge, and the broken sludge flows through the shutter 3 again with the water flow.

This application compares in the authority bulletin number CN208105195U and discloses a river course flashboard 3 with desilting function, when the clearance mud, does not influence flashboard 3 normal open gate.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The gate dredging mechanism is characterized by comprising a transverse plate fixed at the top end of a U-shaped ditch wall body, wherein a frame is fixed on the transverse plate, a driving shaft is rotatably connected to the frame, and a pull rope is wound on the driving shaft;

2. The gate dredging mechanism according to claim 1, wherein a first fixed pulley is fixed on the inner wall of the canal wall, a second fixed pulley is fixed on the lower surface wall of the transverse plate, one end of the pull rope is wound on the circumferential outer wall of the driving shaft, the other end of the pull rope sequentially winds the second fixed pulley and the first fixed pulley, and the first fixed pulley and the second fixed pulley are at the same height;

the fixed frame is fixed with on two opposite table walls and draws the piece, draws the piece and is in directly over the first fixed pulley, has seted up the constant head tank along vertical on two opposite inner walls of ditch wall body, draws the movable card of piece to establish in the constant head tank and along the vertical slip of constant head tank, and the one end and the piece fixed connection that draws of stay cord bypass first fixed pulley.

3. The gate dredging mechanism according to claim 2, wherein the number of the first fixed pulleys is two, and the first fixed pulleys are respectively arranged on the two inner walls corresponding to the canal wall; the second fixed pulley and the pull rope are correspondingly provided with two fixed pulleys;

the drive shaft is sleeved with a separation disc, the separation disc is fixedly connected with the circumferential outer wall of the drive shaft, the separation disc extends along the radial direction of the drive shaft, and two pull ropes are respectively wound on two sides of the separation disc when seen along the axis of the drive shaft.

4. The gate dredging mechanism according to claim 2, wherein the fixed frame is fixedly provided with a scraping plate, two ends of the scraping plate facing the inner wall of the canal wall are respectively movably clamped on the canal wall, two opposite inner walls of the canal wall are provided with vertical grooves, the vertical grooves are vertically arranged, the scraping plate vertically slides along the vertical grooves, and the scraping plate is in contact with one side surface of the flashboard facing water flow.

5. The gate dredging mechanism according to claim 2, wherein a vertical rod is connected in the chute, the axis of the vertical rod is along the vertical direction, two ends of the vertical rod are respectively fixed on an upper surface wall and a lower surface wall of the chute, the sliding block is sleeved on the vertical rod, and the sliding block slides along the axis of the vertical rod.

6. A gate dredging mechanism as claimed in claim 3, wherein the divider plate has a circular end face.