CN215165362U - Gate system with linkage of sewage discharge and sand discharge - Google Patents

Abstract

The utility model relates to a gate system with linkage of sewage discharge and sand discharge, which belongs to the technical field of hydraulic engineering and comprises a sewage discharge gate part, a middle linkage part and a sand discharge gate part; the blowdown gate part comprises a blowdown gate, a blowdown gate rotating shaft, a fixed frame and a rolling bearing at the fixed frame; a rotary shaft of the pollution discharge gate is fixedly arranged in the pollution discharge gate in a penetrating way, and two ends of the rotary shaft of the pollution discharge gate are screwed on the fixed rack by utilizing the rolling bearings at the fixed rack. The sewage discharge and the sand discharge are linked, the power of a natural river is effectively utilized, the rotation is formed, the effective control is realized, the aim of discharging the sand by the lower gate can be achieved while the sewage discharge of the upper sewage discharge gate is achieved.

Description

Gate system with linkage of sewage discharge and sand discharge

Technical Field

The utility model relates to a hydraulic engineering technical field, concretely relates to gate system of blowdown and sediment ejection linkage.

Background

The method comprises the steps of separating and treating waste water, sewage, floaters and silt in the technical fields of hydropower stations, water pump stations and the like in hydraulic engineering, draining sediments such as floaters and silt in water areas in urban landscape engineering, and providing a water circulating device containing water, floaters and various sediments in an experimental or experimental facility system. If the mechanical linkage effect can be reasonably utilized, great convenience is brought to the solution of the problems of pollution discharge and sand discharge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a gate system of blowdown and row's husky linkage of reasonable in design, the blowdown links with row's husky, effectively utilizes the power of natural river, forms rotatory and realizes effective control, when can reaching the blowdown of upper portion blowdown gate, can also reach the purpose that the lower part gate was arranged husky.

In order to achieve the above purpose, the utility model adopts the following technical proposal: it comprises a sewage gate part, a middle linkage part and a sand discharge gate part;

the blowdown gate part comprises a blowdown gate, a blowdown gate rotating shaft, a fixed frame and a rolling bearing at the fixed frame; a rotary shaft of the pollution discharge gate is fixedly penetrated in the pollution discharge gate, and two ends of the rotary shaft of the pollution discharge gate are screwed on the fixed rack by utilizing a rolling bearing at the fixed rack;

the middle linkage part comprises an upper sewage discharge gate displacement commutator, a middle linkage rod and a lower sand discharge gate displacement commutator; the upper pollution discharge gate displacement commutator comprises an upper displacement commutator case, an upper triangular rod system structure, an upper hinged structure, an upper driving wheel central rolling bearing, an upper driven wheel central rolling bearing, an upper sliding toothed plate limit bolt and an upper case fixing bolt; the upper displacement commutator case is arranged on one side of the sewage gate, upper case fixing bolts are fixed at the upper end and the lower end of one side wall of the upper displacement commutator case, an upper driving wheel and an upper driven wheel are arranged in the upper displacement commutator case in a mutually meshed mode, the two ends of the upper driving wheel are screwed on the inner wall of the upper displacement commutator case through a central rolling bearing of the upper driving wheel, and the two ends of the upper driven wheel are screwed on the inner wall of the upper displacement commutator case through a central rolling bearing of the upper driven wheel; one end of the upper hinge structure is screwed with the wheel surface of the upper driving wheel, the other end of the upper hinge structure is screwed with one end of the upper triangular rod system structure, and the other end of the upper triangular rod system structure is screwed with the outer side wall of the sewage gate; the upper driven wheel is meshed with the upper sliding toothed plate, two vertical edges of the upper sliding toothed plate are arranged in an upper sliding plate limiting groove formed in the inner wall of the upper displacement commutator case in an up-and-down sliding mode, an upper sliding toothed plate limiting bolt is fixed on the side wall of the upper displacement commutator case positioned in the middle of the upper sliding plate limiting groove, and the lower end of the upper sliding toothed plate is fixed at the upper end of the middle linkage rod; the lower sand discharge gate displacement commutator consists of a lower displacement commutator case, a lower triangular rod system structure, a lower hinged structure, a lower driving wheel central rolling bearing, a lower driven wheel central rolling bearing, a lower sliding toothed plate limit bolt and a lower case fixing bolt; the upper end and the lower end of one side wall of the lower displacement commutator case are both fixed with lower case fixing bolts, a lower driving wheel and a lower driven wheel are arranged in the lower displacement commutator case in a mutual meshing manner, wherein the two ends of the lower driving wheel are screwed on the inner wall of the lower displacement commutator case by using a lower driving wheel central rolling bearing, and the two ends of the lower driven wheel are screwed on the inner wall of the lower displacement commutator case by using a lower driven wheel central rolling bearing; one end of the lower hinged structure is screwed with the wheel surface of the lower driving wheel, and the other end of the lower hinged structure is screwed with one end of the lower triangular rod system structure after penetrating through the side wall of the spherical gate slot of the sand discharge gate; the lower driven wheel is meshed with the lower sliding toothed plate, the upper end of the lower sliding toothed plate is fixed at the lower end of the middle linkage rod, two vertical edges of the lower sliding toothed plate are arranged in a lower sliding plate limiting groove formed in the inner wall of the lower displacement commutator case in a vertically sliding mode, and a lower sliding toothed plate limiting bolt is fixed on the side wall of the lower displacement commutator case positioned in the middle of the lower sliding plate limiting groove;

the sand discharge gate part comprises a sand discharge gate, a sand discharge gate central rotating shaft, a sand discharge gate spherical gate slot, a sand discharge gate water inlet, a sand discharge gate water outlet, buttresses, a gate rolling bearing, limiting piers and a buffer spring; the middle part of the sand discharge gate is fixedly connected with a sand discharge gate center rotating shaft in an inserting mode, the two ends of the sand discharge gate center rotating shaft are connected onto a sand discharge gate spherical gate groove in a rotating mode through a gate rolling bearing, limiting piers are fixed on the inner walls of the sand discharge gate spherical gate grooves on the left side and the right side of the gate rolling bearing, buffer springs are fixed on the upper side walls of the limiting piers, the other ends of the buffer springs are respectively in movable abutting contact with handles fixed on the sand discharge gate center rotating shaft, support piers are fixed on the lower wall of the sand discharge gate spherical gate groove, one end of the sand discharge gate spherical gate groove is in through connection with a sand discharge gate water inlet, and the other end of the sand discharge gate spherical gate groove is in through connection with a sand discharge gate water outlet.

Furthermore, a balance weight hole of the blowdown gate is formed in the side wall of the blowdown gate.

Furthermore, one end of the upper side wall of the sewage gate is fixedly provided with an upper commutator case water baffle, and the upper commutator case water baffle is erected above the upper displacement commutator case.

Furthermore, the sediment outflow gate is of a hollow structure, the upstream surface of the sediment outflow gate is of a smooth arc surface structure, the downstream surface of the sediment outflow gate is of a curve structure, and a water inlet hole is formed in the curve structure.

After the structure is adopted, the beneficial effects of the utility model are that: the utility model provides a gate system of blowdown and sediment ejection linkage, blowdown and sediment ejection linkage effectively utilize the power of natural river, form rotatory and realize effective control, when can reaching the blowdown of upper portion blowdown gate, can also reach the purpose that the lower part gate was arranged the sediment.

Description of the drawings:

fig. 1 is a schematic structural view of the waste gate of the present invention in an open state.

Fig. 2 is a front view of the waste gate of the present invention in an open state.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a right side view of fig. 2.

Fig. 5 is a left side view of fig. 2.

Fig. 6 is a sectional view taken along line a-a in fig. 3.

Fig. 7 is a sectional view taken along line B-B in fig. 3.

Fig. 8 is a sectional view taken along line C-C in fig. 2.

Fig. 9 is a sectional view taken along line D-D in fig. 2.

Fig. 10 is a schematic view showing a structure of the waste gate of the present invention in a closed state.

Fig. 11 is a front view of the waste gate of the present invention in a closed state.

Fig. 12 is a top view of fig. 11.

Fig. 13 is a right side view of fig. 11.

Fig. 14 is a left side view of fig. 11.

FIG. 15 is a sectional view taken along line E-EA of FIG. 12.

Fig. 16 is a sectional view taken along line F-F in fig. 13.

Fig. 17 is a sectional view taken along line G-G in fig. 11.

Fig. 18 is a sectional view taken along line H-H in fig. 11.

FIG. 19 is a schematic view showing the operation of the rotary sand discharge gate driven by the sewage gate according to the present invention.

Fig. 20 is a schematic view showing the operation of the sand discharge gate of the present invention.

Fig. 21 is a schematic view showing the operation of the displacement diverter of the upper waste gate in the present invention.

FIG. 22 is a schematic view showing the rotation principle of the sand discharge gate of the present invention.

Description of reference numerals:

a sewage discharge gate 1, a rotary shaft 2 of the sewage discharge gate, a balance weight hole 3 of the sewage discharge gate, a fixed frame 4, a rolling bearing 5 at the fixed frame, a displacement commutator 6 of the upper sewage discharge gate, a chassis 7 of the upper displacement commutator, a water baffle 8 of the chassis of the upper commutator, a structure 9 of an upper triangular rod system, an upper hinge structure 10, an upper driving wheel 11, a central rolling bearing 12 of the upper driving wheel, an upper driven wheel 13, a central rolling bearing 14 of the upper driven wheel, an upper sliding toothed plate 15, an upper sliding plate limit groove 16, a limit bolt 17 of the upper sliding toothed plate, a fixed bolt 18 of the upper chassis, a middle linkage rod 19, a sand discharge gate 20, a central rotary shaft 21 of the sand discharge gate, a spherical gate groove 22 of the sand discharge gate, a water inlet 23 of the sand discharge gate, a water outlet 24 of the sand discharge gate, a support pier 25, a rolling bearing 26 of the gate, a limit pier 27, a buffer spring 28, a displacement commutator 29 of the lower sand discharge gate, The lower displacement reverser case 30, the lower hinge structure 31, the lower triangular rod system structure 32, the lower driving wheel 33, the lower driving wheel central rolling bearing 34, the lower driven wheel 35, the lower driven wheel central rolling bearing 36, the lower sliding toothed plate 37, the lower sliding plate limiting groove 38, the lower sliding toothed plate limiting bolt 39 and the lower case fixing bolt 40.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 18, the following technical solutions are adopted in the present embodiment: it comprises a sewage gate part, a middle linkage part and a sand discharge gate part;

the blowdown gate part comprises a blowdown gate 1, a blowdown gate rotating shaft 2, a fixed frame 4 and a fixed frame rolling bearing 5; a blowoff gate counterweight hole 3 is formed on the side wall of the blowoff gate 1, a blowoff gate rotating shaft 2 is fixedly arranged in the blowoff gate 1 in a penetrating way, and two ends of the blowoff gate rotating shaft 2 are rotatably connected on a fixed frame 4 by utilizing a rolling bearing 5 at the fixed frame;

the middle linkage part comprises an upper sewage discharge gate displacement reverser 6, a middle linkage rod 19 and a lower sand discharge gate displacement reverser 29; the upper pollution discharge gate displacement reverser 6 comprises an upper displacement reverser case 7, an upper triangular rod system structure 9, an upper hinge structure 10, an upper driving wheel 11, an upper driving wheel central rolling bearing 12, an upper driven wheel 13, an upper driven wheel central rolling bearing 14, an upper sliding toothed plate 15, an upper sliding toothed plate limiting bolt 17 and an upper case fixing bolt 18; an upper commutator case water baffle plate 8 is fixed at one end of the upper side wall of the sewage gate 1, the upper commutator case water baffle plate 8 is erected above an upper displacement commutator case 7, the upper displacement commutator case 7 is arranged at one side of the sewage gate 1, upper case fixing bolts 18 are fixed at the upper end and the lower end of one side wall of the upper displacement commutator case 7, an upper driving wheel 11 and an upper driven wheel 13 are arranged in the upper displacement commutator case 7 in a mutually meshed mode, wherein two ends of the upper driving wheel 11 are screwed on the inner wall of the upper displacement commutator case 7 through an upper driving wheel center rolling bearing 12, and two ends of the upper driven wheel 13 are screwed on the inner wall of the upper displacement commutator case 7 through an upper driven wheel center rolling bearing 14; one end of the upper hinge structure 10 is screwed with the wheel surface of the upper driving wheel 11, the other end of the upper hinge structure 10 is screwed with one end of the upper triangular rod system structure 9, and the other end of the upper triangular rod system structure 9 is screwed with the outer side wall of the sewage gate 1; the upper driven wheel 13 is meshed with an upper sliding toothed plate 15, two vertical edges of the upper sliding toothed plate 15 are vertically arranged in an upper sliding plate limiting groove 16 formed in the inner wall of the upper displacement commutator case 7 in a sliding manner, an upper sliding toothed plate limiting bolt 17 is fixed on the side wall of the upper displacement commutator case 7 in the middle of the upper sliding plate limiting groove 16, and the lower end of the upper sliding toothed plate 15 is fixed at the upper end of a middle linkage rod 19; the lower sand discharge gate displacement reverser 29 is composed of a lower displacement reverser case 30, a lower triangular rod system structure 32, a lower hinge structure 31, a lower driving wheel 33, a lower driving wheel central rolling bearing 34, a lower driven wheel 35, a lower driven wheel central rolling bearing 36, a lower sliding toothed plate 37, a lower sliding toothed plate limit bolt 39 and a lower case fixing bolt 40; the upper end and the lower end of one side wall of the lower displacement commutator case 30 are both fixed with lower case fixing bolts 40, a lower driving wheel 33 and a lower driven wheel 35 are arranged in the lower displacement commutator case 30 in a mutually meshed manner, wherein the two ends of the lower driving wheel 33 are screwed on the inner wall of the lower displacement commutator case 30 by using a lower driving wheel central rolling bearing 34, and the two ends of the lower driven wheel 35 are screwed on the inner wall of the lower displacement commutator case 30 by using a lower driven wheel central rolling bearing 36; one end of the lower hinge structure 31 is screwed with the wheel surface of the lower driving wheel 33, and the other end of the lower hinge structure 31 is screwed with one end of the lower triangular rod system structure 32 after penetrating through the side wall of the spherical gate slot 22 of the sand discharge gate; the lower driven wheel 35 is engaged with the lower sliding toothed plate 37, the upper end of the lower sliding toothed plate 37 is fixed at the lower end of the middle linkage rod 19, two vertical edges of the lower sliding toothed plate 37 are vertically and slidably arranged in a lower sliding plate limiting groove 38 formed in the inner wall of the lower displacement commutator housing 30, and a lower sliding toothed plate limiting bolt 39 is fixed on the side wall of the lower displacement commutator housing 30 positioned in the middle of the lower sliding plate limiting groove 38;

the sand discharge gate part comprises a sand discharge gate 20, a sand discharge gate central rotating shaft 21, a sand discharge gate spherical gate groove 22, a sand discharge gate water inlet 23, a sand discharge gate water outlet 24, a buttress 25, a gate rolling bearing 26, a limiting pier 27 and a buffer spring 28; the other end of the lower triangular rod system structure 32 is hinged with the sand discharge gate 20, the middle part of the sand discharge gate 20 is fixedly inserted with a sand discharge gate central rotating shaft 21, two ends of the sand discharge gate central rotating shaft 21 are screwed in the sand discharge gate spherical gate groove 22 by using a gate rolling bearing 26, the inner walls of the sand discharge gate spherical gate grooves 22 positioned at the left side and the right side of the gate rolling bearing 26 are respectively fixed with a limiting pier 27, the upper side wall of the limiting pier 27 is fixed with a buffer spring 28, the other end of the buffer spring 28 is respectively movably abutted with a handle fixed on the sand discharge gate central rotating shaft 21, the lower wall of the sand discharge gate spherical gate groove 22 is fixed with a support pier 25, one end of the sand discharge gate spherical gate groove 22 is connected with a sand discharge gate water inlet 23 in a penetrating way, and the other end of the sand discharge gate spherical gate groove 22 is connected with a sand discharge gate water outlet 24 in a penetrating way; the sand discharge gate 20 is of a hollow structure, the upstream surface of the sand discharge gate is of a smooth arc surface structure, the downstream surface of the sand discharge gate is of a curve structure, and a water inlet hole is formed in the curve structure.

The working principle of the specific embodiment is as follows:

referring to fig. 19, when the water head of the upper door leaf reaches a certain degree, the sewage gate 1 is opened around the rotary shaft 2 of the sewage gate under the action of water pressure, the rotation angle is W1, the rotary moment of the sewage gate 1 is transmitted to the upper driving wheel 11 through the action of the upper hinge structure 10 and the upper triangular rod system structure 9, and drives the upper driving wheel 11 to rotate, the rotation angle is W2, the upper driving wheel 11 drives the upper driven wheel 13 to rotate, the rotation angle is W3, the upper driven wheel 13 drives the upper sliding toothed plate 15 on the right side to move upwards when rotating, and the movement displacement is L1; the upper sliding toothed plate 15 moves to drive the lower sliding toothed plate 37 to move through the middle linkage rod 19, so that the lower sliding toothed plate 37 generates upward displacement L2, the lower sliding toothed plate 37 moves upward to drive the lower driving wheel 33 meshed with the lower sliding toothed plate to rotate, the rotation angle of the lower driving wheel 33 is W4, the lower driving wheel 33 drives the lower driven wheel 35 to rotate, the rotation angle of the lower driven wheel 35 is W5, the rotation torque of the lower driven wheel 35 is transmitted to the lower triangular rod system structure 32 through the lower hinge structure 31 connected with the lower driving wheel 35, the lower rod system structure 32 transmits torque to the sand discharge gate 20, and the sand discharge gate 20 is driven to rotate to open, and the rotation angle is W6; further, the sewage gate 1 is opened in a rotating way under the action of water pressure, the rotating torque is transmitted to the sand discharge gate 20 through the combined action of the upper sewage gate displacement reverser 6, the lower sand discharge gate displacement reverser 29 and the middle linkage rod 19, and the sand discharge gate 20 is opened in a rotating way, so that the effect of the linkage action of the sewage gate 1 and the sand discharge gate 20 is achieved;

referring to fig. 20, the grit chamber is connected with a water inlet 23 of the sand discharge gate through a transition section, water flows into a spherical gate slot 22 of the sand discharge gate, a sand discharge gate 20 which is tangent to the spherical gate slot 22 and rotates around a central rotating shaft of the sand discharge gate is arranged in the sand discharge gate slot, the sand discharge gate 20 is of a hollow structure, the water facing surface of the sand discharge gate 20 is of an arc design, the water backing surface is of a curved design, and a water inlet hole is arranged at a certain height of the water backing surface; when the upstream water level of the sewage gate 1 reaches a certain height, the moment is transmitted to the sewage gate 20 through the upper sewage gate displacement commutator 6, the middle linkage rod 19 and the lower sand discharge gate displacement commutator 29, the moment and the upstream water pressure of the sand discharge gate 20 act together, the sand discharge gate 20 is rotated to be opened, the opening of the sand discharge gate 20 is restrained by the limiting pier 27, when the sand discharge gate 20 is opened to a certain degree, water flows into the hollow gate through a water inlet hole in the back of the sand discharge gate 20, when the water amount in the sand discharge gate 20 reaches a certain degree, the self weight of the sand discharge gate 20 is increased, the rightward dynamic water pressure of the upstream is F1, the leftward dynamic water pressure of the back is F2, the weight of the water in the sand discharge gate 9-20 is downward G, the rotary moment M transmitted by the sewage gate 9-1 through the middle linkage rod 9-19, when the acting force of G and F2 on the sand discharge gate 20 is larger than the comprehensive effect of M and F1 on the sand discharge gate 20, the sand discharge gate 20 rotates in the opposite direction, and the opening degree gradually decreases until the sand discharge gate is closed; the dynamic water pressure of the upstream surface of the sand discharge gate 20, the weight of the water body in the sand discharge gate 20 and the rotation torque transmitted by the sewage discharge gate 1 through the upper sewage discharge gate displacement commutator 6, the middle linkage rod 19 and the lower sand discharge gate displacement commutator 29 together complete the position adjustment of the sand discharge gate 20; under the condition of a certain water flow and a certain flow rate, the sand discharge gate 20 is in a balance position; in the process of adjusting the position of the sand discharge gate 20, the right hydrodynamic pressure borne by the upstream surface is F1, the left hydrodynamic pressure borne by the backside surface is F2, the weight of the water body in the sand discharge gate 20 is downward G, the sand discharge gate 20 can reach transient position balance through the rotating moment M transmitted by the upper sewage discharge gate displacement reverser 6, the middle linkage rod 19 and the lower sand discharge gate displacement reverser 29 under the combined action of the three forces, and once the water volume or the water flow velocity changes, the sand discharge gate 20 automatically adjusts the balance position;

referring to fig. 21, the rotation degree of either the sewage gate 1 or the sand discharge gate 20 has a certain range, and the sewage gate can only rotate in one direction when opened, and can rotate in the opposite direction when closed, and the opening degree is not more than ninety degrees, so that the displacement reverser (i.e., the upper sewage gate displacement reverser 6 and the lower sand discharge gate displacement reverser 29) needs to be provided with a displacement limiting structure. The working principle of the displacement reverser 6 of the sewage gate is illustrated by taking the example:

the sewage gate 1 is opened in a rotating mode under the action of water pressure, the moment of force is transmitted to the gear combination through the upper triangular rod system structure 9 and the upper hinge structure 10 and further transmitted to the upper sliding toothed plate 15, two vertical edges of the upper sliding toothed plate 15 are arranged in the upper sliding plate limiting groove 16 in an up-and-down sliding mode through the upper sliding toothed plate limiting bolt 17, the maximum limit of upward sliding is the top of the case, and the maximum limit of downward sliding is the bottom of the case; the purpose of limiting the rotation degree of the gears (the upper driven wheel 13 and the upper driving wheel 11) is achieved by limiting the displacement of the upper sliding toothed plate 15, and the purpose of limiting the opening degree of the sewage gate 1 is achieved by the upper triangular rod system structure 9;

referring to fig. 22, in the rotation process of the sand discharge gate 20, the sand discharge gate 20 is influenced by the upstream hydrodynamic pressure, the back hydrodynamic pressure, the weight of the water body in the sand discharge gate 20, the self weight of the sand discharge gate 20, the geometric spatial arrangement of the sand discharge gate 20 and the size relationship thereof, and the like, and if no limitation is imposed, the function of the sand discharge gate 20 cannot reach an ideal state; in order to effectively control the rotation degree of the sand discharge gate 20, fixed handles are arranged at two ends of a central rotating shaft 21 of the sand discharge gate, and the handles rotate along with the central rotating shaft 21 of the sand discharge gate, a limit pier 27 is arranged in a certain range at two sides of the gate rolling bearing 26, the limit pier 27 is a trapezoidal section, a buffer spring 28 is arranged at one side of the limit pier 27 facing the position of the rotating shaft, under the action of water pressure, the sand discharge gate central rotating shaft 21 drives the sand discharge gate 20 to rotate anticlockwise, the sand discharge gate 20 is opened, when the sand discharge gate 20 is opened to a certain extent, the handles at both ends of the central rotary shaft 21 of the sand discharge gate contact the buffer springs 28, the pressure is generated on the buffer spring 28, the limit pier 27 limits the rotation of the sand discharge gate central rotating shaft 21 and the sand discharge gate 20 through the buffer spring 28, and the buffer spring 28 plays a role in protecting the limit pier 27 and a handle on the sand discharge gate central rotating shaft 21; in the whole limiting rotation process, the limiting pier 27 is kept still, the shaft end handle is driven to rotate to act on the buffer spring 28 when the sand discharge gate center rotating shaft 21 rotates, and the sand discharge gate center rotating shaft 21 and the sand discharge gate 20 work in the rotating range all the time through the combined action of the handle on the sand discharge gate center rotating shaft 21, the limiting pier 27 and the buffer spring 28.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the linkage action of the upper sewage discharge gate and the lower sand discharge gate is realized by utilizing the comprehensive action of the upper sewage discharge gate displacement commutator, the lower sand discharge gate displacement commutator and the middle linkage rod;

2. the structure design of the rolling bearing is matched with the rotation of the rotating shaft, the rotating gate and the gear structure;

3. the displacement direction is changed by utilizing the comprehensive action of the triangular rod system structure and the hinge structure, so that the effect of transmitting torque is achieved;

4. the design of the sliding toothed plate displacement limiting bolt and the limiting groove is utilized to limit the movement scale of the sliding toothed plate, so that the rotation scale of the gear is limited, and the rotation direction and the opening degree of the gate are limited;

5. the function of the limiting pier and the elastic spring is utilized, the aim of ensuring the automatic rotation of the sand discharge gate under the action of water pressure is fulfilled, and the rotation degree of the sand discharge gate is limited.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (4)

1. The utility model provides a gate system of blowdown and sediment outflow linkage which characterized in that: it comprises a sewage gate part, a middle linkage part and a sand discharge gate part;

the sewage discharge gate part comprises a sewage discharge gate (1), a sewage discharge gate rotating shaft (2), a fixed frame (4) and a rolling bearing (5) at the fixed frame; a rotary shaft (2) of the blowdown gate is fixedly arranged in the blowdown gate (1) in a penetrating manner, and two ends of the rotary shaft (2) of the blowdown gate are rotatably connected to the fixed rack (4) by utilizing a rolling bearing (5) at the fixed rack;

the middle linkage part comprises an upper sewage discharge gate displacement reverser (6), a middle linkage rod (19) and a lower sand discharge gate displacement reverser (29); the upper pollution discharge gate displacement reverser (6) consists of an upper displacement reverser case (7), an upper triangular rod system structure (9), an upper hinge structure (10), an upper driving wheel (11), an upper driving wheel central rolling bearing (12), an upper driven wheel (13), an upper driven wheel central rolling bearing (14), an upper sliding toothed plate (15), an upper sliding toothed plate limiting bolt (17) and an upper case fixing bolt (18); the upper displacement commutator case (7) is arranged on one side of the sewage gate (1), upper case fixing bolts (18) are fixed at the upper end and the lower end of one side wall of the upper displacement commutator case (7), an upper driving wheel (11) and an upper driven wheel (13) are arranged in the upper displacement commutator case (7) in a mutually meshed mode, wherein the two ends of the upper driving wheel (11) are screwed on the inner wall of the upper displacement commutator case (7) through an upper driving wheel central rolling bearing (12), and the two ends of the upper driven wheel (13) are screwed on the inner wall of the upper displacement commutator case (7) through an upper driven wheel central rolling bearing (14); one end of the upper hinge structure (10) is in screwed connection with the wheel surface of the upper driving wheel (11), the other end of the upper hinge structure (10) is in screwed connection with one end of the upper triangular rod system structure (9), and the other end of the upper triangular rod system structure (9) is in screwed connection with the outer side wall of the sewage gate (1); the upper driven wheel (13) is meshed with the upper sliding toothed plate (15), two vertical edges of the upper sliding toothed plate (15) are vertically and slidably arranged in an upper sliding plate limiting groove (16) formed in the inner wall of the upper displacement commutator case (7), an upper sliding toothed plate limiting bolt (17) is fixed on the side wall of the upper displacement commutator case (7) positioned in the middle of the upper sliding plate limiting groove (16), and the lower end of the upper sliding toothed plate (15) is fixed at the upper end of a middle linkage rod (19); the lower sand discharge gate displacement reverser (29) consists of a lower displacement reverser case (30), a lower triangular rod system structure (32), a lower hinge structure (31), a lower driving wheel (33), a lower driving wheel central rolling bearing (34), a lower driven wheel (35), a lower driven wheel central rolling bearing (36), a lower sliding toothed plate (37), a lower sliding toothed plate limiting bolt (39) and a lower case fixing bolt (40); lower case fixing bolts (40) are fixed at the upper end and the lower end of one side wall of the lower displacement commutator case (30), a lower driving wheel (33) and a lower driven wheel (35) are arranged in the lower displacement commutator case (30) in a mutually meshed mode, wherein the two ends of the lower driving wheel (33) are screwed on the inner wall of the lower displacement commutator case (30) through a lower driving wheel central rolling bearing (34), and the two ends of the lower driven wheel (35) are screwed on the inner wall of the lower displacement commutator case (30) through a lower driven wheel central rolling bearing (36); one end of the lower hinged structure (31) is screwed with the wheel surface of the lower driving wheel (33), and the other end of the lower hinged structure (31) is screwed with one end of the lower triangular rod system structure (32) after penetrating through the side wall of the spherical gate slot (22) of the sand discharge gate; the lower driven wheel (35) is meshed with the lower sliding toothed plate (37), the upper end of the lower sliding toothed plate (37) is fixed at the lower end of the middle linkage rod (19), two vertical edges of the lower sliding toothed plate (37) are vertically and slidably arranged in a lower sliding plate limiting groove (38) formed in the inner wall of the lower displacement commutator case (30), and a lower sliding toothed plate limiting bolt (39) is fixed on the side wall of the lower displacement commutator case (30) positioned in the middle of the lower sliding plate limiting groove (38);

the sand discharge gate part comprises a sand discharge gate (20), a sand discharge gate central rotating shaft (21), a sand discharge gate spherical gate slot (22), a sand discharge gate water inlet (23), a sand discharge gate water outlet (24), buttresses (25), a gate rolling bearing (26), a limiting pier (27) and a buffer spring (28); the sand discharge gate comprises a sand discharge gate (20), a sand discharge gate center rotating shaft (21) is fixedly inserted in the middle of the sand discharge gate (20), two ends of the sand discharge gate center rotating shaft (21) are rotatably connected to the sand discharge gate spherical gate groove (22) through a gate rolling bearing (26), limiting piers (27) are fixedly arranged on the inner walls of the sand discharge gate spherical gate grooves (22) on the left side and the right side of the gate rolling bearing (26), buffer springs (28) are fixedly arranged on the upper side walls of the limiting piers (27), the other ends of the buffer springs (28) are movably abutted to handles fixed on the sand discharge gate center rotating shaft (21), support piers (25) are fixedly arranged on the lower wall of the sand discharge gate spherical gate groove (22), one end of the sand discharge gate spherical gate groove (22) is connected with a sand discharge gate water inlet (23) in a penetrating manner, and the other end of the sand discharge gate spherical gate groove (22) is connected with a sand discharge gate water outlet (24) in a penetrating manner.

2. A linked blowdown and desilting gate system as set forth in claim 1, wherein: the side wall of the pollution discharge gate (1) is provided with a pollution discharge gate weight port (3).

3. A linked blowdown and desilting gate system as set forth in claim 1, wherein: an upper commutator case water baffle (8) is fixed at one end of the upper side wall of the sewage discharge gate (1), and the upper commutator case water baffle (8) is erected above an upper movable commutator case (7).

4. A linked blowdown and desilting gate system as set forth in claim 1, wherein: the sand discharge gate (20) is arranged in a hollow structure, the upstream surface of the sand discharge gate is arranged in a smooth arc surface structure, the back surface of the sand discharge gate is arranged in a curve structure, and a water inlet hole is formed in the curve structure.

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