CN112081074A

CN112081074A - Sewage gate for dam

Info

Publication number: CN112081074A
Application number: CN202011042513.0A
Authority: CN
Inventors: 张亦
Original assignee: Wenzhou Kaiwen Electronic Technology Co ltd
Current assignee: Chengdu zhichengyun Intelligent Technology Co.,Ltd.
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2020-12-15

Abstract

The invention discloses a blowdown gate for a dam, which comprises the dam, wherein the dam is provided with a lifting cavity with a downward opening, the front wall and the rear wall of the lifting cavity are communicated with a drainage cavity with a pipe penetrating through the dam, the upper side of the lifting cavity of the dam is provided with a transmission cavity, the wall body between the transmission cavity and the lifting cavity is respectively and rotatably provided with a screw shaft extending up and down from the left to the right, the lifting cavity is internally and slidably provided with a gate moving up and down, the screw shaft is in threaded connection with the gate, the wall body between the transmission cavity and the lifting cavity is rotatably provided with a rotating shaft extending up and down from the front side of the screw shaft, the rotating shaft is in splined connection with a spline sleeve in the lifting cavity, and the left side wall of the lifting cavity is slidably provided with a lifting plate. The garbage blockage is placed to influence the drainage work.

Description

Sewage gate for dam

Technical Field

The invention relates to the related technical field of water conservancy gates, in particular to a blowdown gate for a dam.

Background

In order to prevent and control flood, dams can be built in many rivers of cities to control water flow, so that normal operation of the cities is guaranteed, flood outbreak times are few, the water conservancy gate is in an unused state for most of time, and accumulated silt and garbage can influence normal opening of the gate and can also influence drainage efficiency.

Disclosure of Invention

Aiming at the technical defects, the invention provides a blowdown gate for a dam, which can overcome the defects.

The invention relates to a blowdown gate for a dam, which comprises the dam, wherein the dam is provided with a lifting cavity with a downward opening, the front wall and the rear wall of the lifting cavity are communicated with a drainage cavity with a pipe penetrating through the dam, the upper side of the lifting cavity of the dam is provided with a transmission cavity, a wall body between the transmission cavity and the lifting cavity is respectively and rotatably provided with a screw shaft extending up and down from the left to the right, the lifting cavity is internally and slidably provided with a gate moving up and down, the screw shaft is in threaded connection with the gate, the wall body between the transmission cavity and the lifting cavity is rotatably provided with a rotating shaft extending up and down from the front side of the screw shaft, the rotating shaft is in splined connection with a spline sleeve in the lifting cavity, the left side wall of the lifting cavity is slidably provided with a lifting plate, the lifting plate is in rotatable connection with the spline sleeve, and the outer wall of, the lifting cavity right side wall is provided with a lifting groove on the right side of the lifting plate, the lifting plate extends into the lifting groove and is fixedly connected with a lifting rack, the lifting groove right side wall is rotatably provided with a lifting rotating shaft, the lifting rotating shaft is fixedly connected with a lifting gear in the lifting groove, the lifting gear is meshed with the lifting rack and is connected with the lifting rack, the lower side of the lifting groove is communicated with a sewage draining port, the left and right side walls of the sewage draining port are rotatably provided with a blade shaft extending rightwards, the blade shaft is fixedly connected with a spiral blade in the sewage draining port, the right side wall of the drainage cavity is provided with a water level groove with a leftward opening on the rear side of the gate, a floating ball is arranged in the water level groove in a sliding manner, a movable cavity is arranged in the right side wall of the lifting cavity, the blade shaft and the lifting rotating shaft extend through and are rotatably connected with the inner wall of the, the lift pivot in activity intracavity fixedly connected with lift pivot, slidable mounting has the movable block on the activity chamber bottom wall, rotate on the movable block and install movable worm axle, movable worm axle with vice linking worm wheel main linking worm wheel all meshes the connection, rotate through the axle on the activity chamber left side wall and install down the lever, the movable block roof in activity worm axle rear side is equipped with the ascending lever groove of opening, the lever stretches into down the lever groove, the activity chamber with slidable mounting has the movable rod of extending around between the water level groove, the movable rod passes through reset spring and connects activity intracavity wall, rotate on the lateral wall before the water level groove and install the rotor plate, the rotor plate with the movable rod contact.

Preferably, a motor is fixedly mounted on the top wall of the transmission cavity, a motor shaft is connected to the lower side of the motor in a power connection mode, the motor shaft is connected to the bottom wall of the transmission cavity in a rotating mode, a connecting shaft is mounted on the right side of the motor shaft on the upper wall and the lower wall of the transmission cavity in a rotating mode, the motor shaft is connected with the connecting shaft in a transmission mode through a connecting transmission belt, a transmission shaft extending forwards and is connected with the inner wall of the movable cavity, fixed bevel gears are fixedly mounted on the front portion and the rear portion of the inner wall of the movable cavity respectively, movable bevel gears are fixedly mounted on the upper end of the movable worm shaft, and the movable bevel gears are connected with the fixed bevel gears in a meshing mode.

Preferably, the rotating shaft extends upwards to penetrate through and is in rotating connection with the inner wall of the transmission cavity, the rotating shaft is in driving connection with the motor shaft through a three-wheel transmission belt, the screw shaft extends upwards to penetrate through and is in rotating connection with the inner wall of the transmission cavity, the screw shaft is fixedly connected with a driven wheel in the transmission cavity, and a driving wheel is fixedly mounted on the motor shaft.

Preferably, the bottom wall of the transmission cavity is provided with movable push rods in bilateral symmetry and sliding arrangement on the motor shaft, the movable push rods are provided with movable connecting wheels in a rotating manner through shafts, the movable connecting wheels are in meshing connection with the driven wheels and the driving wheels, the movable push rods are fixedly provided with support rods, the support rods are in contact with the three-wheel transmission belt, and the movable push rods are fixedly connected with the left side and the right side through connecting rods.

Preferably, the wall body between the movable cavity and the motor shaft is provided with a left inclined push rod and a right inclined push rod which extend in a sliding mode, the inclined push rod is connected with a rocker in the transmission cavity in a rotating mode, a movable groove which penetrates through the connecting rod from top to bottom is formed in the connecting rod, a guide rod is arranged in the movable groove in a sliding mode and is connected with the rocker in a rotating mode, an upper lever is arranged on the upper side of the movable rod on the front side wall of the movable cavity in a rotating mode through a shaft and is in contact with the inclined push rod, and an extension rod in contact with the lower end of the upper lever is fixedly.

The beneficial effects are that: the device has simple structure and convenient operation, and during water storage, the floating garbage is driven by the rotation of the impeller to be discharged after being crushed by the spiral blade, and the garbage is placed to block so as to influence the drainage work; the transmission change is controlled through the floating ball, so that the impeller is folded when the gate is opened, and the impeller is prevented from being damaged due to overlarge water flow.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view showing a structure of a sewage gate for a dam according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1;

fig. 4 is a schematic cross-sectional view taken at C-C in fig. 3.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a blowdown gate for a dam, which comprises a dam 12, wherein the dam 12 is provided with a lifting cavity 14 with a downward opening, the front wall and the rear wall of the lifting cavity 14 are communicated with a drainage cavity 13 with a pipe penetrating through the dam 12, the dam 12 is provided with a transmission cavity 15 on the upper side of the lifting cavity 14, the wall body between the transmission cavity 15 and the lifting cavity 14 is respectively provided with a screw shaft 33 which extends up and down in a left-and-right rotating mode, a gate 11 which moves up and down is arranged in the lifting cavity 14 in a sliding mode, the screw shaft 33 is in threaded connection with the gate 11, the wall body between the transmission cavity 15 and the lifting cavity 14 is provided with a rotating shaft 37 which extends up and down in a rotating mode on the front side of the screw shaft 33, the rotating shaft 37 is in splined connection with a spline sleeve 39 in the lifting cavity 14, the left side wall of the lifting cavity 14 is provided with a lifting plate 40, the outer wall of the spline sleeve 39 is fixedly connected with an impeller 50 at the lower side of the lifting plate 40, the right side wall of the lifting cavity 14 is provided with a lifting groove 49 at the right side of the lifting plate 40, the lifting plate 40 extends into the lifting groove 49 and is fixedly connected with a lifting rack 54, the right side wall of the lifting groove 49 is rotatably provided with a lifting rotating shaft 43, the lifting rotating shaft 43 is fixedly connected with a lifting gear 53 in the lifting groove 49, the lifting gear 53 is meshed with the lifting rack 54, the lower side of the lifting groove 49 is communicated with a sewage discharge port 51, blade shafts 44 extending rightwards are rotatably arranged on the left side wall and the right side wall of the sewage discharge port 51, the blade shafts 44 are fixedly connected with helical blades 52 in the sewage discharge port 51, the right side wall of the drainage cavity 13 is provided with a water level groove 25 with a left opening at the rear side of the gate 11, a floating ball 26 is slidably arranged in the water level groove 25, and a, the blade shaft 44 and the lifting rotating shaft 43 extend through and are rotatably connected with the inner wall of the movable cavity 20, the blade shaft 44 is fixedly connected with an auxiliary connecting worm wheel 45 in the movable cavity 20, the lifting rotating shaft 43 is fixedly connected with the lifting rotating shaft 43 in the movable cavity 20, a movable block 58 is slidably mounted on the bottom wall of the movable cavity 20, a movable worm shaft 57 is rotatably mounted on the movable block 58, the movable worm shaft 57 is meshed with the auxiliary connecting worm wheel 45 and the main connecting worm wheel 41, a lower lever 59 is rotatably mounted on the left side wall of the movable cavity 20 through a shaft, a lever groove 60 with an upward opening is formed in the top wall of the movable block 58 at the rear side of the movable worm shaft 57, the lower lever 59 extends into the lever groove 60, a movable rod 27 extending forwards and backwards is slidably mounted between the movable cavity 20 and the water level groove 25, and the movable rod 27 is connected with the inner wall of the movable cavity 20 through a return spring 28, the water level tank 25 is provided with a rotating plate 24 on the front side wall in a rotating way, and the rotating plate 24 is contacted with the movable rod 27.

Advantageously, a motor 16 is fixedly mounted on the top wall of the transmission cavity 15, a motor shaft 17 is dynamically connected to the lower side of the motor 16, the motor shaft 17 is rotatably connected with the bottom wall of the transmission cavity 15, the upper wall and the lower wall of the transmission cavity 15 are rotatably provided with a connecting shaft 19 at the right side of the motor shaft 17, the motor shaft 17 and the connecting shaft 19 are in belt transmission connection through a connecting transmission belt 18, a transmission shaft 22 extending forwards and backwards is rotatably arranged on a wall body between the movable cavity 20 and the transmission cavity 15, the transmission shaft 22 is connected with the transmission cavity 15 and the connecting shaft 19 through a connecting bevel gear set 23, the transmission shaft 22 extends forwards and penetrates through the inner wall of the movable cavity 20 and is rotatably connected with the inner wall of the movable cavity 20, fixed bevel gears 56 are respectively and fixedly arranged on the transmission shaft 22 at the front and the rear in the movable cavity 20, the upper end of the movable worm shaft 57 is fixedly provided with a movable bevel gear 55, and the movable bevel gear 55 is meshed with the fixed bevel gear 56.

Advantageously, the rotating shaft 37 extends upward to penetrate and rotatably connect with the inner wall of the transmission cavity 15, the rotating shaft 37 and the motor shaft 17 are in belt transmission connection through a three-wheel transmission belt 46, the screw shaft 33 extends upward to penetrate and rotatably connect with the inner wall of the transmission cavity 15, the screw shaft 33 is fixedly connected with a driven wheel 34 in the transmission cavity 15, and a driving wheel 35 is fixedly mounted on the motor shaft 17.

Advantageously, the bottom wall of the transmission cavity 15 is provided with movable push rods 31 in a left-right symmetrical sliding manner on the motor shaft 17, the movable push rods 31 are provided with movable connecting wheels 36 in a rotating manner through shafts, the movable connecting wheels 36 are engaged with the driven wheels 34 and the driving wheels 35, the movable push rods 31 are fixedly provided with support rods 38, the support rods 38 are in contact with the three-wheel transmission belt 46, and the movable push rods 31 on the left side and the right side are fixedly connected through connecting rods 32.

Beneficially, a wall body between the movable cavity 20 and the motor shaft 17 is slidably mounted with a left-right extending inclined push rod 21, the inclined push rod 21 is rotatably connected with a rocker 42 in the transmission cavity 15, a movable slot 47 penetrating up and down is arranged in the connecting rod 32, a guide rod 48 is slidably mounted in the movable slot 47, the guide rod 48 is rotatably connected with the rocker 42, an upper lever 30 is rotatably mounted on the upper side of the movable rod 27 on the front side wall of the movable cavity 20 through a shaft, the upper lever 30 is in contact with the inclined push rod 21, and an extension rod 29 in contact with the lower end of the upper lever 30 is fixedly mounted on the left side of the movable rod 27.

In an initial state, the gate 11 seals the drainage cavity 13, the driven wheel 34 and the driving wheel 35 are separated from the movable connecting wheel 36, the supporting rod 38 enables the three-wheel transmission belt 46 to be tensioned, the movable bevel gear 55 is meshed with the front side fixed bevel gear 56, and the movable block 58 is meshed with the auxiliary connecting worm gear 45; when the garbage bin starts to work, the motor 16 is started to drive the motor shaft 17 to rotate, the motor shaft 17 drives the rotating shaft 37 to rotate through the three-wheel transmission belt 46, the rotating shaft 37 drives the impeller 50 to rotate through the spline sleeve 39, the impeller 50 rotates to push garbage to the right, the motor shaft 17 simultaneously drives the connecting shaft 19 to rotate through the connecting transmission belt 18, the connecting shaft 19 drives the transmission shaft 22 to rotate through the connecting bevel gear set 23, the transmission shaft 22 drives the movable bevel gear 55 to rotate through the fixed bevel gear 56, the movable bevel gear 55 drives the auxiliary connecting worm gear 45 to rotate through the movable worm shaft 57, the auxiliary connecting worm gear 45 drives the blade shaft 44 to rotate the spiral blade 52, and the garbage is shredded by the spiral blade 52 and then is discharged.

When water needs to be drained after the water level is raised, the floating ball 26 floats upwards to drive the rotating plate 24 to rotate, the rotating plate 24 rotates to drive the movable rod 27 to move, the movable rod 27 slides to drive the movable block 58 to slide rightwards, the movable block 58 drives the movable worm shaft 57 and the movable bevel gear 55 to move, the movable worm shaft 57 is separated from the auxiliary connecting worm gear 45, the main connecting worm gear 41 is meshed with the movable worm shaft 57, the movable bevel gear 55 is meshed with the rear fixed bevel gear 56, the movable rod 27 simultaneously drives the extension rod 29 to swing the upper lever 30, the upper lever 30 swings to drive the inclined push rod 21 to move leftwards, the inclined push rod 21 drives the connecting rod 32 to move backwards through the rocker 42 and the guide rod 48, the connecting rod 32 drives the movable push rod 31 to move, the movable connecting wheel 36 and the supporting rod 38 are simultaneously driven by the movable push rod 31, the three-wheel transmission belt 46 is loosened, the motor shaft 17 drives the screw shaft 33 to rotate through the driving wheel 35 and the driven wheel 34, the screw shaft 33 drives the gate 11 to move upwards, the transmission shaft 22 drives the movable bevel gear 55 to rotate through the fixed bevel gear 56, the movable bevel gear 55 drives the main engaging worm gear 41 to rotate through the movable worm shaft 57, the main engaging worm gear 41 drives the lifting gear 53 to rotate through the lifting rotating shaft 43, the lifting gear 53 drives the lifting plate 40 to move upwards through the lifting rack 54, and the lifting plate 40 drives the impeller 50 to move and retract through the spline sleeve 39.

After the work is finished, the motor 16 is reversed, the floating ball 26 is pressed down to reset, and the device is restored to the initial state.

Has the advantages that: the device has simple structure and convenient operation, and during water storage, the floating garbage is driven by the rotation of the impeller to be discharged after being crushed by the spiral blade, and the garbage is placed to block so as to influence the drainage work; the transmission change is controlled through the floating ball, so that the impeller is folded when the gate is opened, and the impeller is prevented from being damaged due to overlarge water flow.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a blowdown gate for dykes and dams, includes dykes and dams, its characterized in that: the dam is provided with a lifting cavity with a downward opening, the front wall and the rear wall of the lifting cavity are communicated with a drainage cavity through which a pipe penetrates, the dam is provided with a transmission cavity on the upper side of the lifting cavity, a screw shaft extending up and down is respectively rotatably installed on the left side and the right side of a wall body between the transmission cavity and the lifting cavity, a gate moving up and down is slidably installed in the lifting cavity, the screw shaft is in threaded connection with the gate, a rotating shaft extending up and down is rotatably installed on the front side of the screw shaft on the wall body between the transmission cavity and the lifting cavity, a spline sleeve is connected in the lifting cavity on the rotating shaft, a lifting plate is slidably installed on the left side wall of the lifting cavity, the lifting plate and the spline sleeve are rotatably connected, an impeller is fixedly connected to the outer wall of the spline sleeve on the lower side of the lifting plate, and a lifting groove is formed in, the lifting plate extends into the lifting groove and is fixedly connected with a lifting rack, the right side wall of the lifting groove is rotatably provided with a lifting rotating shaft, the lifting rotating shaft is fixedly connected with a lifting gear in the lifting groove, the lifting gear is meshed and connected with the lifting rack, the lower side of the lifting groove is communicated with a sewage draining port, the left side wall and the right side wall of the sewage draining port are rotatably provided with blade shafts extending rightwards, the blade shafts are fixedly connected with spiral blades in the sewage draining port, the right side wall of the drainage cavity is provided with a water level groove with a leftward opening at the rear side of the gate, a floating ball is slidably arranged in the water level groove, a movable cavity is arranged in the right side wall of the lifting cavity, the blade shafts and the lifting rotating shaft extend through and are rotatably connected with the inner wall of the movable cavity, the blade shafts are fixedly connected with auxiliary linking worm gears in the movable cavity, and the lifting rotating shaft, slidable mounting has the movable block on the activity chamber bottom wall, it installs movable worm axle to rotate on the movable block, the activity worm axle with vice linking worm wheel the owner links up the equal meshing of worm wheel and connects, rotate through the axle on the activity chamber left side wall and install down the lever, the movable block roof in activity worm axle rear side is equipped with the ascending lever channel of opening, the lever stretches into down the lever channel, the activity chamber with slidable mounting has the movable rod that extends around between the water level channel, the movable rod passes through reset spring and connects activity intracavity wall, rotate on the lateral wall before the water level channel and install the commentaries on classics board, the commentaries on classics board with the movable rod contact.

2. A floodgate for a dam according to claim 1, wherein: the transmission cavity top wall is fixedly provided with a motor, the lower side of the motor is in power connection with a motor shaft, the motor shaft is connected with the bottom wall of the transmission cavity in a rotating mode, the upper wall and the lower wall of the transmission cavity are connected with a connecting shaft in a rotating mode on the right side of the motor shaft, the motor shaft is connected with the connecting shaft in a transmission mode through a connecting transmission belt, the movable cavity is connected with a transmission shaft extending forwards through the connecting shaft, the wall between the movable cavity and the transmission cavity is provided with a transmission shaft extending forwards, the transmission shaft is connected with the inner wall of the movable cavity in a rotating mode through a connecting bevel gear set, the transmission shaft is fixedly provided with fixed bevel gears around the movable cavity, the upper end of the movable worm shaft is fixedly provided with movable bevel gears, and the movable bevel gears are.

3. A floodgate for a dam according to claim 2, wherein: the utility model discloses a motor, including the motor shaft, the pivot is upwards extended to run through and the swivelling joint the transmission intracavity wall, the pivot with the motor shaft passes through the tricycle drive belt transmission and connects, the axial extension of screw rod runs through and the swivelling joint the transmission intracavity wall, the screw rod axle in transmission intracavity fixedly connected with from the driving wheel, fixed mounting has the action wheel on the motor shaft.

4. A floodgate for a dam according to claim 3, wherein: the transmission cavity diapire in motor shaft bilateral symmetry slidable mounting has movable push rod, movable push rod is last to rotate through the axle and to install the activity and to join the wheel, the activity join the wheel with from the driving wheel the action wheel is all engaged with and is connected, fixed mounting has the bracing piece on the movable push rod, the bracing piece with the tricycle driving belt contacts, controls the side movable push rod passes through connecting rod fixed connection.

5. The floodgate for a dam according to claim 4, wherein: the wall body between the movable cavity and the motor shaft is provided with a left inclined plane push rod and a right inclined plane push rod which extend in a sliding mode, the inclined plane push rod is connected with a rocker in the transmission cavity in a rotating mode, a movable groove which penetrates through the connecting rod from top to bottom is formed in the connecting rod, a guide rod is arranged in the movable groove in a sliding mode, the guide rod is connected with the rocker in a rotating mode, the front side wall of the movable cavity is provided with an upper lever on the upper side of the movable rod in a rotating mode through a shaft, the upper lever is in contact with the inclined plane push rod, and an extension rod in.