CN208201997U - The tower stratified pumping mouth of reservoir - Google Patents

Abstract

The utility model provides a tower-type layered water intake of a reservoir, comprising a plurality of water inlet pipes distributed from top to bottom in the tower body, and an operating room is arranged on the top of the plurality of water inlet pipes, which is characterized in that the operating room is provided with There are multiple operating devices corresponding to multiple water inlet pipes one by one, and valves are installed on the multiple water inlet pipes; the drive shafts of the multiple operating devices are connected with pre-embedded brackets that pass through the floor of the operating room, and the pre-embedded brackets The passing valve stem is connected to the corresponding valve; multiple operating devices drive the corresponding valve to move up and down by driving the valve stem to rotate, so as to realize the opening or closing of the corresponding water inlet pipe. The present invention aims at the defect that it takes a lot of labor to open the multi-level water intake in the prior art, and provides a tower-type layered water intake of the reservoir, so that the operator can realize the control of the multi-layer water intake in the operating room.

Description

Reservoir tower layered water intake

technical field

The invention relates to the technical field of water conservancy engineering, in particular to a tower-type layered water intake of a reservoir.

Background technique

At present, the water inlets of many small and medium-sized reservoirs in my country adopt tower-type layered water intakes. The water inlets at all levels are generally controlled by valves. The diameter of the valves is generally about 0.3-0.5m. Management personnel enter the bottom of the water intake tower to operate. Due to the unsmooth air flow at the bottom of the water intake tower and the accumulation of exhaust gas, there is a safety hazard of suffocation. Safety accidents occur from time to time, especially for water intake towers with a height greater than 5m. The safety risk is higher.

Contents of the invention

The object of the present invention is to address the defects of the prior art, to provide a tower-type layered water intake for the reservoir, so that the operator can realize the control of the multi-layered water intake in the operating room.

The invention provides a tower-type layered water intake of a reservoir, which includes a plurality of water inlet pipes distributed from top to bottom in the tower body, and an operating room is arranged on the top of the plurality of water inlet pipes, which is characterized in that the operating room is provided with a There are multiple operating devices corresponding to multiple water inlet pipes, and valves are installed on the multiple water inlet pipes; the multiple operating devices are connected with embedded brackets that pass through the floor of the operating room, and the valve stems that the embedded brackets pass through It is connected with the corresponding valve; multiple operating devices drive the corresponding valve to move up and down by driving the valve stem to rotate, so as to realize the opening or closing of the corresponding water inlet pipe.

The valve stem includes multiple sections, and the two ends of each section of the valve stem are fixedly socketed with adjacent valve stems through flanges.

The valve stem is fixedly connected with the operating device through a pre-embedded bracket. The pre-embedded bracket includes a tubular structure bracket body, a drive sleeve and a drive square shaft; the bottom end of the bracket body is embedded in the ground of the operating room, and the top end of the bracket body is fixed on the The bottom of the operating device; the top end of the driving square shaft is fixed inside the bracket body and is fixedly connected with the operating device; the bottom end of the driving square shaft is fixedly connected with the top end of the driving sleeve through the square head; the bottom end of the driving sleeve is connected to the valve stem through the flange Fixed connection; the bracket body is supported around the top of the drive sleeve.

A connecting shaft is arranged on the top of the valve, and the valve stem passes through the connecting shaft and is connected with the valve.

The water inlets of the plurality of water inlet pipes are located outside the tower body, and the plurality of water inlet pipes are distributed on multiple different planes and their extension directions are all perpendicular to the axis of the tower body; the plurality of water inlet pipes are connected through connecting pipes , the extension direction of the connecting pipe is parallel to the axial direction of the tower body, and the connecting pipe communicates with the water outlet located outside the tower body through the water outlet pipe.

The plurality of water inlet pipes are evenly distributed along the circumference with the axis of the connecting pipe as the center.

The operating device includes two parts, a rotating handwheel and a motor, which respectively drive the drive shaft to rotate.

The valve adopts an elastic seat seal valve and is sealed with a flexible rubber gate.

The invention adopts the method of lengthening the valve stem to transform the water intake structure of each layer of the water inlet, which has the characteristics of reasonable structure, practical function, safe and convenient operation, and can take the surface water of the reservoir according to the engineering needs, with the least sediment content and suitable water temperature , to meet the needs of agricultural irrigation and domestic water, the opening and closing of valves at all levels are operated through the operating device on the upper operating platform of the water intake tower, instead of manually entering the bottom of the water intake tower to open the water inlet valves at all levels in the water intake tower, which can effectively avoid Safety issues during use and operation. The water inlet pipes of the present invention are uniformly distributed to ensure a clean and tidy pipeline layout inside the tower body. The present invention realizes the adjustability of the length of the valve stem through the splicing of multi-section valve stems, so as to be suitable for water inlet pipes of different heights. The structure of the valve stem can be produced and manufactured in sections, which is convenient for direct splicing on site. The two ends of each section of the valve stem are connected by flanges, with the functions of positioning, transmission and sealing, and the installation is simple and reliable. The top end of the valve rod is connected to the driving device of the operating device through the embedded bracket, which effectively ensures the overall connection stability of the present invention. The bottom end of the valve stem is connected to the valve through a coupling, which has the functions of positioning, transmission, sealing and support (extending the weight of the valve stem itself).

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the sectional view of I-I direction of the present invention;

Fig. 3 is a partial design diagram of the present invention;

Fig. 4 is a partial enlarged view of the present invention.

Among them, 11- primary water inlet, 12- primary valve, 13- primary valve stem, 14- primary operating device, 15- primary water inlet pipe, 21- secondary water inlet, 22- secondary water inlet , 23-secondary valve stem, 24-secondary operating device, 25-secondary water inlet pipe, 31-tertiary water inlet, 32-tertiary valve, 33-tertiary valve stem, 34-tertiary operating device, 35-Tertiary water inlet pipe, 1-valve, 2-coupling joint, 3-valve stem, 4-flange, 5-embedded bracket, 6-operating device, 7-tower body, 8-operating room, 9 -connecting pipe, 10-water outlet pipe, 16-water outlet.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.

The invention provides a tower-type layered water intake of a reservoir, which includes a plurality of water inlet pipes distributed from top to bottom in the tower body, and an operating room is arranged on the top of the plurality of water inlet pipes, which is characterized in that the operating room is provided with a Multiple water inlet pipes correspond to multiple operating devices one by one, and valves are installed on multiple water inlet pipes; the drive shafts of multiple operating devices are connected with embedded brackets that pass through the floor of the operating room, and the embedded brackets pass through The valve stem is connected to the corresponding valve; multiple operating devices drive the corresponding valve to move up and down by driving the valve stem to rotate, so as to realize the opening or closing of the corresponding water inlet pipe.

The valve stem includes multiple sections, and the two ends of each section of the valve stem are fixedly socketed with adjacent valve stems through flanges.

The valve stem is fixedly connected with the operating device through a pre-embedded bracket. The pre-embedded bracket includes a tubular structure bracket body, a drive sleeve and a drive square shaft; the bottom end of the bracket body is embedded in the ground of the operating room, and the top end of the bracket body is fixed on the The bottom of the operating device; the top end of the driving square shaft is fixed inside the bracket body and is fixedly connected with the operating device; the bottom end of the driving square shaft is fixedly connected with the top end of the driving sleeve through the square head; the bottom end of the driving sleeve is connected to the valve stem through the flange Fixed connection; the bottom of the bracket body is supported around the drive sleeve. The bottom end of the bracket body passes through the bottom wall of the operating room, and the top of the drive sleeve enters the ground wall of the operating room through the bracket body, and is fixedly connected with the driving square shaft inside the bracket body.

A connecting shaft is arranged on the top of the valve, and the valve stem passes through the connecting shaft and is connected with the valve. The water inlets of the plurality of water inlet pipes are located outside the tower body, and the plurality of water inlet pipes are distributed on multiple different planes and their extension directions are all perpendicular to the axis of the tower body; the plurality of water inlet pipes are connected through connecting pipes , the extension direction of the connecting pipe is parallel to the axial direction of the tower body, and the connecting pipe communicates with the water outlet located outside the tower body through the water outlet pipe. The plurality of water inlet pipes are evenly distributed along the circumference with the axis of the connecting pipe as the center. The operating device includes two parts, a rotating handwheel and a motor, which respectively drive the drive shaft to rotate. The valve adopts an elastic seat seal valve and is sealed with a flexible rubber gate. The operating devices are all located on the ground inside the operating room and directly below the corresponding gates to ensure a reasonable and optimal distribution of the structures of the present invention.

As shown in Figure 1, the specific embodiment provides a tower-type layered water intake of a reservoir, including a primary water inlet 11, a primary valve 12, a primary valve stem 13, a primary operating device 14, and a primary water inlet pipe 15. , secondary water inlet 21, secondary water inlet 22, secondary valve stem 23, secondary operating device 24, secondary water inlet pipe 25, tertiary water inlet 31, tertiary valve 32, tertiary valve stem 33, three Stage operating device 34, third stage water inlet pipe 35, valve 1, coupling joint 2, valve stem 3, flange 4, embedded bracket 5, operating device 6, tower body 7, operating room 8, connecting pipe 9, water outlet Pipeline 10, water outlet 16.

The water inlets of the three-stage water inlet pipes are all located outside the tower body, and the extending direction of the multiple water inlet pipes is perpendicular to the axis of the tower body. The axial direction is parallel, and the connecting pipe communicates with the water outlet located outside the tower body through the water outlet pipe. The water intake elevations of the primary water inlet 11, the secondary water inlet 21 and the tertiary water inlet 31 are determined according to the water intake needs, the size of the water inlets is determined according to the water intake, and the arrangement of the three water inlets does not affect each valve stem and operating device Based on the premise of the operation, the schematic diagram of the relative positional relationship of each water inlet in space can be shown in the structural diagram of the tower water inlet in Figure 1 and the I-I sectional view in Figure 2, that is, the layout of the water inlets at all levels is orderly, and the multiple The water inlet pipes are evenly distributed along the circumference with the axis of the connecting pipe as the center, and can be opened and closed independently. There is a water diversion pipe connected to it behind the valve.

The first-stage valve 12, the second-stage gate 22, and the third-stage gate 32 are respectively arranged on the water inlet pipes at all levels in the water intake tower on the downstream side of the corresponding first-stage water inlet 11, second-stage water inlet 21, and third-stage water inlet 31. (i.e. primary water inlet pipeline 15, secondary water inlet pipeline 25 and tertiary water inlet pipeline 35), primary operating device 14, secondary operating device 24, and tertiary operating device 34 are centrally arranged in the operation of the upper part of the water intake tower On the platform, the corresponding primary valve 12 , secondary valve 22 and tertiary valve 32 are respectively opened and closed by the primary valve stem 13 , secondary valve stem 23 and tertiary valve stem 33 .

Valve 1 selects an elastic seat seal valve according to the diameter of the water inlet and the design water head. The elastic seat seal valve has no groove on the flat bottom and is sealed with a flexible rubber gate. It has the advantages of no internal leakage, no external leakage, small torque, and long service life.

The valve stem is produced and manufactured in 3 sections, which is convenient for direct splicing on the construction site. The two ends of each section of the valve stem are connected by flange 4, with positioning, transmission and sealing functions, and the installation is simple and reliable.

As shown in Figure 3, the coupling 2 is used for the connection between the valve and the extended valve stem, and has the functions of positioning, transmission, sealing and support (the self-weight of the extended valve stem).

As shown in Figure 4, the valve stem 1 is fixedly connected to the operating device through the embedded bracket 5, the embedded bracket 5 includes a tubular structure bracket body 51, a drive sleeve 52 and a drive square shaft 53; the bottom end of the bracket body 51 is embedded in In the ground of the operating room 8, the top of the bracket body 51 is fixed on the bottom of the operating device 6; the top of the driving square shaft 53 is fixed inside the bracket body 51 and is fixedly connected with the operating device; The top end is fixedly connected; the bottom of the drive square shaft is fixedly sleeved inside the drive sleeve; the bottom end of the drive sleeve 52 is fixedly connected with the valve stem 3 through a flange. The drive sleeve and the valve stem are connected by the standard flange of the valve stem, which has the functions of positioning, transmission and sealing. The top end of the drive sleeve is fixed to the bottom of the drive square shaft located inside the operating room through a square head, which has a relatively long flexibility and can be expanded and contracted according to the actual situation on site. The bracket body 51 is pre-buried on the ground of the operating room and supported around the drive sleeve, and ensures the stable connection between the drive square shaft and the operating device. The bracket body is pre-embedded and poured on site.

The operating device 6 of the valves at all levels, that is, the driving device is arranged on the operating platform on the upper part of the water intake tower. The operating device includes two parts: the rotating hand wheel and the motor, which can realize manual and electric control, that is, the valve stem is driven by rotating the hand wheel or the motor. Rotate, thereby driving the valve plate of the valve to rise or fall, open or cut off the water flow.

The invention belongs to the field of water conservancy and hydropower engineering facilities. When applied to specific water conservancy projects, the layered water intake function of reservoirs can be realized, and the opening and closing of water inlet valves at all levels can be operated on the operating platform on the upper part of the water intake tower, so as to avoid manual entry into the water intake tower. The bottom opening and closing valve ensures the safety of the staff, and has the advantages of reasonable structure, practical function, safe and convenient operation, etc. The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Claims (8)

1. a kind of tower stratified pumping mouth of reservoir, including by multiple water inlet lines in tower body up to lower distribution, multiple water inlet pipes Operating room is provided at the top of road, it is characterised in that multiple correspondingly with multiple water inlet lines including being provided in operating room Operating device is provided with valve on multiple water inlet lines；It is respectively connected in multiple operating devices across the pre- of operation room floor Bracket is buried, the valve rod that embedded bracket passes through is connected with corresponding valve；Multiple operating devices pass through band ovable valve stem rotation drive pair The valve answered moves up and down, and realizes opening or closing for corresponding water inlet line.

2. the tower stratified pumping mouth of reservoir according to claim 1, which is characterized in that the valve rod includes more piece, each to save It is realized by flange and is fixedly attached with adjacent valve rod in valve rod both ends.

3. the tower stratified pumping mouth of reservoir according to claim 1, it is characterised in that valve rod passes through embedded bracket and operation Device is fixedly connected, and embedded bracket includes rack body, drive sleeve and the driving square shaft of tubular structure；Rack body bottom end is pre- It is embedded in operation room floor, operating device bottom is fixed on the top of rack body；Bracket sheet is fixed on the top of driving square shaft Internal portion is simultaneously fixedly connected with operating device；The bottom end of driving square shaft is fixedly connected by square toes with the top of drive sleeve；It drives Dynamic casing shoe is fixedly connected by flange with valve rod；Rack body is supported on the surrounding at the top of drive sleeve.

4. the tower stratified pumping mouth of reservoir according to claim 3, it is characterised in that valve top part is provided with connecting shaft, valve Bar passes through connecting shaft and connect with valve.

5. the tower stratified pumping mouth of reservoir according to claim 1, it is characterised in that the water inlet position of multiple water inlet lines Outside tower body, multiple water inlet lines be distributed in multiple and different planes and its extending direction with tower body axis perpendicular； Multiple water inlet lines are connected by connecting tube, and the extending direction of connecting tube is parallel with tower body axis direction, and connecting tube is by going out Waterpipe is connected with the water outlet being located at outside tower body.

6. the tower stratified pumping mouth of reservoir according to claim 5, which is characterized in that multiple water inlet lines are with connecting tube Axle center is that the center of circle is circumferentially uniformly distributed.

7. the tower stratified pumping mouth of reservoir according to claim 6, which is characterized in that operating device include rotation handwheel and Motor two parts, rotate handwheel and motor respectively drives drive shaft rotation.

8. the tower stratified pumping mouth of reservoir according to claim 7, it is characterised in that the valve uses elastic seat sealed valve Door, and use flexible rubber ram seal.