CN111022246A

CN111022246A - Water turbine water head adjusting device

Info

Publication number: CN111022246A
Application number: CN201911250051.9A
Authority: CN
Inventors: 黄诚; 邵忠良; 李殊骁
Original assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Current assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-04-17

Abstract

The invention provides a water turbine water head adjusting device which comprises a water head body, wherein adjusting mechanisms are arranged on two sides of the water head body, and each adjusting mechanism comprises a first box body, a first clamping block, a sliding rod, a first sliding block, a limiting rod, a second clamping block and a fixing rod. According to the invention, the handle drives the first threaded rod to rotate, the first threaded rod drives the first fixing plate to move, the first fixing plate drives the first clamping block to move, and the second clamping block is matched for use, so that when the rotating shaft is completely fixed by the first clamping block moving belt, the purpose of tightening or accurately adjusting the water head body can be achieved, and the problems that the existing water turbine is lack of a corresponding positioning mechanism during use, the water head is easy to shift under the washing of a water body during long-time use, and large-scale equipment such as a crane is needed during each height adjustment, and the use is inconvenient for a user are solved.

Description

Water turbine water head adjusting device

Technical Field

The invention relates to the field of water turbines, in particular to a water head adjusting device of a water turbine.

Background

The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy, belongs to the turbine machinery in fluid machinery, most of modern water turbines are installed in a hydropower station and are used for driving a generator to generate electricity, in the hydropower station, water in an upstream reservoir is guided to the water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive the generator to generate electricity, the water which does work is discharged to the downstream through a tail water pipeline, and the higher the water head is, the larger the flow is, and the larger the output power of the water turbine is.

The existing water turbine is lack of a corresponding positioning mechanism in the using process, so that the water head is easy to deviate under the scouring of a water body in long-time use, the higher the water head is, the larger the flow is, and the larger the output power of the water turbine is.

Therefore, it is necessary to provide a water turbine head adjusting device to solve the above technical problems.

Disclosure of Invention

The invention provides a water turbine head adjusting device, which solves the problems that when the existing water turbine is used, due to the lack of a corresponding positioning mechanism, the water turbine head is easy to deviate under the scouring of a water body in long-time use, and when the height of the existing water turbine is adjusted each time, large-scale equipment such as a crane is needed, so that the existing water turbine is inconvenient for a user to use.

In order to solve the technical problems, the invention provides a water turbine water head adjusting device, which comprises a water head body, wherein adjusting mechanisms are arranged on two sides of the water head body, each adjusting mechanism comprises a first box body, a first clamping block, a sliding rod, a first sliding block, a limiting rod, a second clamping block and a fixed rod, the first clamping block and the second clamping block are respectively arranged in an inner cavity of the first box body, the sliding rods are welded on two sides of the first clamping block, the first sliding block is fixedly connected to one end, away from the first clamping block, of each sliding rod, the limiting rod is slidably connected to one side, away from the sliding rod, of each first sliding block, the top and the bottom of each limiting rod are welded to the inner wall of the first box body, the fixed rods are fixedly connected to two sides of the bottom of the second clamping block, the bottoms of the fixed rods are welded to the bottom of the inner cavity of the, the two ends of the rotating shaft penetrate through the outer side of the first box body and extend to the inner cavity of the first box body, the top of the inner cavity of the first box body is provided with a rotating mechanism, the bottom of the first box body is provided with a second box body, and the inner cavity of the second box body is provided with a power output mechanism and a lifting mechanism respectively.

Preferably, rotary mechanism includes handle, first threaded rod, first fixed plate and first bearing, one side welding that the handle is close to first box has first threaded rod, the one end that the handle was kept away from to first threaded rod runs through the top of first box and welds first fixed plate, the outside threaded connection of first threaded rod has first bearing, the outside of first bearing and the inner wall welding of first box.

Preferably, the top of the sliding rod is welded with a first spring, and the top of the first spring is welded with the inner wall of the first box body.

Preferably, one side of the limiting rod, which is close to the sliding rod, is provided with a first sliding groove matched with the first sliding block for use, and the inner wall of the first sliding groove is connected with the outer side of the first sliding block in a sliding manner.

Preferably, power take-off mechanism includes motor, action wheel, follows driving wheel, second threaded rod, thread bush and second bearing, the bottom fixed connection of fixing bolt and second box inner chamber is passed through to the bottom of motor, the output fixedly connected with action wheel of motor, the outside meshing of action wheel is connected with from the driving wheel, from the inner circle fixedly connected with second threaded rod of driving wheel, the outside threaded connection of second threaded rod has the thread bush, the both ends of second threaded rod are all rotated and are connected with the second bearing, the inner circle of second bearing and the outside fixed connection of second threaded rod, the outside of second bearing and the inner wall welding of second box.

Preferably, elevating system includes movable rod, second fixed plate, backup pad, bracing piece, second slider, second spout, second spring and spacing pipe, the surface rotation of thread bush is connected with the movable rod, the one end that the thread bush was kept away from to the movable rod rotates and is connected with the second fixed plate, the top fixedly connected with backup pad of second fixed plate, the top welding of backup pad has the bracing piece.

Preferably, the two ends of the supporting plate are fixedly connected with second sliding blocks, second sliding grooves matched with the second sliding blocks are formed in the two sides of the inner wall of the second box body, and the inner wall of each second sliding groove is connected with the outer side of the corresponding second sliding block in a sliding mode.

Preferably, the second springs are welded to two sides of the top of the supporting plate, and the tops of the second springs are welded to the top of the inner cavity of the second box body.

Preferably, the outside cover of bracing piece is equipped with spacing pipe, the inner circle of spacing pipe and the outside sliding connection of bracing piece, the outside of spacing pipe and the inner wall welding of second box.

Preferably, a switch is installed on the outer side of the second box body, and an electrical output end of the switch is electrically connected with an electrical input end of the motor.

Compared with the prior art, the water turbine head adjusting device provided by the invention has the following beneficial effects:

the invention provides a water turbine head adjusting device,

1. according to the invention, the handle drives the first threaded rod to rotate, the first threaded rod drives the first fixing plate to move, the first fixing plate drives the first clamping block to move, and the second clamping block is matched for use, so that when the rotating shaft is completely fixed by the first clamping block moving belt, the purpose of tightening or accurately adjusting the water head body can be achieved, and the problems that the existing water turbine is lack of a corresponding positioning mechanism during use, the water head is easy to shift under the washing of a water body during long-time use, and large-scale equipment such as a crane is needed during each height adjustment, and the use is inconvenient for a user are solved.

2. The invention facilitates the adjustment of the position of the water head body by arranging the rotating mechanism, limits the movement of the sliding rod by arranging the first spring, simultaneously improves the stability of the sliding rod in the movement process, avoids the phenomenon that the sliding rod deviates in the movement process due to the lack of a limiting device, reduces the friction force between the first sliding block and the limiting rod by arranging the first sliding groove, facilitates the sliding of the first sliding block in the limiting rod, effectively prolongs the service life of the first sliding block and the limiting rod, reduces the friction force between the second threaded rod and the second box body by arranging the second bearing, facilitates the rotation of the second threaded rod in the second box body, effectively prolongs the service life of the second threaded rod and the second box body, facilitates the adjustment of the height of the water head body by arranging the lifting mechanism, and improves the output power of the water turbine to the maximum extent, through the cooperation that sets up second slider and second spout, the frictional force between backup pad and the second box has been reduced, the slip of backup pad in the second box has been made things convenient for, the effectual life who prolongs backup pad and second box, through setting up the second spring, the stability of backup pad in the motion process has been improved, through setting up spacing pipe, the stability of bracing piece has been improved, avoided because of lacking stop device, lead to the bracing piece to appear rocking in the motion process, the phenomenon of skew takes place, through setting up the switch, the user has made things convenient for opening and closing of motor.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a water turbine head regulating device according to the present invention;

FIG. 2 is a schematic structural view of the adjustment mechanism of FIG. 1;

fig. 3 is a schematic structural view of the rotating mechanism shown in fig. 2;

fig. 4 is a schematic structural view of another preferred embodiment of a hydraulic turbine head regulating device according to the present invention;

fig. 5 is a schematic view of an internal structure of the second casing shown in fig. 4.

Reference numbers in the figures: 1. a head body; 101. a rotating shaft; 2. an adjustment mechanism; 201. a first case; 202. a first clamping block; 203. a slide bar; 204. a first slider; 205. a limiting rod; 206. a second fixture block; 207. fixing the rod; 208. a first spring; 209. a first chute; 3. a rotation mechanism; 301. a handle; 302. a first threaded rod; 303. a first fixing plate; 304. a first bearing; 4. a second case; 41. a power take-off mechanism; 411. a motor; 412. a driving wheel; 413. a driven wheel; 414. a second threaded rod; 415. a threaded sleeve; 416. a second bearing; 42. a lifting mechanism; 421. a movable rod; 422. a second fixing plate; 423. a support plate; 424. a support bar; 425. a second slider; 426. a second chute; 427. a second spring; 428. a limiting pipe; 5. and (4) switching.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a water turbine head adjusting device provided by the present invention, fig. 2 is a schematic structural view of an adjusting mechanism shown in fig. 1, fig. 3 is a schematic structural view of a rotating mechanism shown in fig. 2, fig. 4 is a schematic structural view of another preferred embodiment of a water turbine head adjusting device provided by the present invention, fig. 5 is a schematic internal structural view of a second box shown in fig. 4, the water turbine head adjusting device includes a head body 1, adjusting mechanisms 2 are disposed on two sides of the head body 1, each adjusting mechanism 2 includes a first box 201, a first block 202, a sliding rod 203, a first sliding block 204, a limiting rod 205, a second block 206 and a fixing rod 207, a first block 202 and a second block 206 are disposed in an inner cavity of the first box 201, a sliding rod 203 is welded on both sides of the first clamping block 202, a first sliding block 204 is fixedly connected with one end of the sliding rod 203 far away from the first clamping block 202, a limit rod 205 is connected to one side of the first sliding block 204 away from the sliding rod 203 in a sliding manner, the top and the bottom of the limiting rod 205 are welded with the inner wall of the first box 201, the two sides of the bottom of the second clamping block 206 are fixedly connected with fixing rods 207, the bottom of the fixing rod 207 is welded with the bottom of the inner cavity of the first box 201, the inner ring of the water head body 1 is fixedly connected with the rotating shaft 101, both ends of the rotating shaft 101 penetrate the outer side of the first case 201 and extend to the inner cavity of the first case 201, the top of the inner cavity of the first box 201 is provided with a rotating mechanism 3, the bottom of the first box 201 is provided with a second box 4, the inner cavity of the second box body 4 is respectively provided with a power output mechanism 41 and a lifting mechanism 42.

Rotary mechanism 3 includes handle 301, first threaded rod 302, first fixed plate 303 and first bearing 304, handle 301 has first threaded rod 302 near one side welding of first box 201, the top that first box 201 was run through to the one end that handle 301 was kept away from to first threaded rod 302 and has welded first fixed plate 303, the outside threaded connection of first threaded rod 302 has first bearing 304, the outside of first bearing 304 and the inner wall welding of first box 201, through setting up rotary mechanism 3, made things convenient for the regulation of user to flood peak body 1 position.

The welding of the top of slide bar 203 has first spring 208, the top of first spring 208 and the inner wall welding of first box 201 through setting up first spring 208, carry on spacingly to the motion of slide bar 203, have improved the stability of slide bar 203 in the motion process simultaneously, have avoided because of lacking stop device, lead to the phenomenon that the skew appears in the motion process in slide bar 203.

One side of the limit rod 205, which is close to the sliding rod 203, is provided with a first sliding groove 209 which is matched with the first sliding block 204 for use, the inner wall of the first sliding groove 209 is connected with the outer side of the first sliding block 204 in a sliding manner, and the first sliding groove 209 is arranged, so that the friction force between the first sliding block 204 and the limit rod 205 is reduced, the sliding of the first sliding block 204 in the limit rod 205 is facilitated, and the service life of the first sliding block 204 and the limit rod 205 is effectively prolonged.

The power output mechanism 41 comprises a motor 411, a driving wheel 412, a driven wheel 413, a second threaded rod 414, a threaded sleeve 415 and a second bearing 416, the bottom of the motor 411 is fixedly connected with the bottom of the inner cavity of the second box 4 through a fixing bolt, the output end of the motor 411 is fixedly connected with the driving wheel 412, the driven wheel 413 is engaged and connected with the outer side of the driving wheel 412, the second threaded rod 414 is fixedly connected with the inner ring of the driven wheel 413, the threaded sleeve 415 is connected with the outer side of the second threaded rod 414 in a threaded manner, the second bearing 416 is rotatably connected with both ends of the second threaded rod 414, the inner ring of the second bearing 416 is fixedly connected with the outer side of the second threaded rod 414, the outer side of the second bearing 416 is welded with the inner wall of the second box 4, the second bearing 416 is arranged to reduce the friction force between the second threaded rod 414 and the second box 4, thereby facilitating the rotation of the second threaded rod, the service life of the second threaded rod 414 and the second box body 4 is effectively prolonged.

Elevating system 42 includes movable rod 421, second fixed plate 422, backup pad 423, bracing piece 424, second slider 425, second spout 426, second spring 427 and spacing pipe 428, the surface rotation of thread bush 415 is connected with movable rod 421, the one end rotation that thread bush 415 was kept away from to movable rod 421 is connected with second fixed plate 422, the top fixedly connected with backup pad 423 of second fixed plate 422, the top welding of backup pad 423 has bracing piece 424, through setting up elevating system 42, has made things convenient for the user to the regulation of flood peak body 1 height, the furthest has improved the output of hydraulic turbine.

The equal fixedly connected with second slider 425 in both ends of backup pad 423, second spout 426 with the cooperation of second slider 425 use has all been seted up to the both sides of second box 4 inner wall, the inner wall of second spout 426 and the outside sliding connection of second slider 425 use through the cooperation that sets up second slider 425 and second spout 426, have reduced the frictional force between backup pad 423 and the second box 4, have made things convenient for the slip of backup pad 423 in second box 4, the effectual life who prolongs backup pad 423 and second box 4.

The second springs 427 are welded on two sides of the top of the supporting plate 423, the top of each second spring 427 is welded with the top of the inner cavity of the second box body 4, and the stability of the supporting plate 423 in the moving process is improved by the arrangement of the second springs 427.

The outside cover of bracing piece 424 is equipped with spacing pipe 428, the inner circle of spacing pipe 428 and the outside sliding connection of bracing piece 424, the outside of spacing pipe 428 and the inner wall welding of second box 4, through setting up spacing pipe 428, improved the stability of bracing piece 424, avoided because of lacking stop device, lead to the bracing piece 424 to appear rocking, the phenomenon of skew to take place in the motion process.

Switch 5 is installed in the outside of second box 4, switch 5's electrical output end and motor 411's electrical input end electric connection, through setting up switch 5, made things convenient for user to the opening and closing of motor 411.

In this embodiment, the model of the motor 411 is YVP-160M 1.

The working principle of the water turbine water head adjusting device provided by the invention is as follows:

when the water head is used, when the position of the water head body 1 deviates or becomes loose, a user only needs to drive the first threaded rod 302 to rotate through the handle 301, the first threaded rod 302 drives the first fixing plate 303 to move, the first fixing plate 303 drives the first fixture block 202 to move, through the matching use of the second fixture block 206, when the rotating shaft 101 is completely fixed by the moving belt of the first fixture block 202, the purpose of tightening or accurately adjusting the water head body 1 can be achieved, through the matching use of the first spring 208, the vibration of the water head body 1 in the using process can be buffered, so that the probability of the deviation phenomenon of the water head body 1 in the using process is reduced, when the height of the water head body 1 needs to be adjusted, the user starts the motor 411 through the switch 5, the motor 411 drives the driving wheel 412 to rotate, and the driving wheel 412 drives the driven wheel 413 to rotate, follow driving wheel 413 and drive second threaded rod 414 and rotate, second threaded rod 414 drives thread bush 415 and rotates, thread bush 415 drives movable rod 421 motion, movable rod 421 drives second fixed plate 422 motion, second fixed plate 422 drives backup pad 423 motion, backup pad 423 drives second slider 425 and slides in second spout 426, compress second spring 427 simultaneously and take place deformation and drive bracing piece 424 upward movement, through second slider 425, the cooperation of second spout 426 and second spring 427 is used, the stability of backup pad 423 in the motion process has been improved, bracing piece 424 drives first box 201 motion, thereby can reach the purpose of highly adjusting flood peak body 1.

according to the invention, the handle 301 drives the first threaded rod 302 to rotate, the first threaded rod 302 drives the first fixing plate 303 to move, the first fixing plate 303 drives the first fixture block 202 to move, and through the matching use of the second fixture block 206, when the rotating shaft 101 is completely fixed by the moving belt of the first fixture block 202, the purpose of tightening or accurately adjusting the water head body 1 can be achieved, so that the problems that the water head is easy to deviate under the washing of a water body in long-time use due to the lack of a corresponding positioning mechanism, and large-scale equipment such as a crane is needed when the height of the water turbine is adjusted every time, and the water turbine is inconvenient to use by a user are solved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a hydraulic turbine water head adjusting device, includes water head body (1), its characterized in that: the water head comprises a water head body (1), wherein two sides of the water head body (1) are respectively provided with an adjusting mechanism (2), each adjusting mechanism (2) comprises a first box body (201), a first clamping block (202), a sliding rod (203), a first sliding block (204), a limiting rod (205), a second clamping block (206) and a fixing rod (207), the inner cavity of the first box body (201) is respectively provided with the first clamping block (202) and the second clamping block (206), the sliding rods (203) are welded on two sides of the first clamping block (202), one end, far away from the first clamping block (202), of each sliding rod (203) is fixedly connected with the first sliding block (204), one side, far away from the corresponding sliding rod (203), of each first sliding block (204) is slidably connected with the corresponding limiting rod (205), the top and the bottom of each limiting rod (205) are welded with the inner wall of the first box body (201), and two sides of the bottom of the, the bottom of dead lever (207) and the bottom welding of first box (201) inner chamber, the inner circle fixedly connected with rotation axis (101) of flood peak body (1), the both ends of rotation axis (101) all run through the outside of first box (201) and extend to the inner chamber of first box (201), the top of first box (201) inner chamber is provided with rotary mechanism (3), the bottom of first box (201) is provided with second box (4), the inner chamber of second box (4) is provided with power take off (41) and elevating system (42) respectively.

2. The water turbine head adjusting device of claim 1, characterized in that the rotating mechanism (3) comprises a handle (301), a first threaded rod (302), a first fixing plate (303) and a first bearing (304), the first threaded rod (302) is welded on one side of the handle (301) close to the first box body (201), one end of the first threaded rod (302) far away from the handle (301) penetrates through the top of the first box body (201) and is welded with the first fixing plate (303), the first bearing (304) is connected to the outer side of the first threaded rod (302) in a threaded manner, and the outer side of the first bearing (304) is welded with the inner wall of the first box body (201).

3. The turbine head adjustment device as claimed in claim 1, characterized in that a first spring (208) is welded to the top of the slide bar (203), and the top of the first spring (208) is welded to the inner wall of the first tank (201).

4. The water turbine head adjusting device of claim 1, characterized in that one side of the limiting rod (205) close to the sliding rod (203) is provided with a first sliding groove (209) which is matched with the first sliding block (204), and the inner wall of the first sliding groove (209) is connected with the outer side of the first sliding block (204) in a sliding manner.

5. The water turbine head adjusting device as claimed in claim 1, characterized in that the power output mechanism (41) comprises a motor (411), a driving wheel (412), a driven wheel (413), a second threaded rod (414), a threaded sleeve (415) and a second bearing (416), the bottom of the motor (411) is fixedly connected with the bottom of the inner cavity of the second box body (4) through a fixing bolt, the output end of the motor (411) is fixedly connected with the driving wheel (412), the outer side of the driving wheel (412) is connected with the driven wheel (413) in a meshed manner, the inner ring of the driven wheel (413) is fixedly connected with the second threaded rod (414), the outer side of the second threaded rod (414) is connected with the threaded sleeve (415) in a threaded manner, the two ends of the second threaded rod (414) are both rotatably connected with the second bearing (416), and the inner ring of the second bearing (416) is fixedly connected with the outer side, the outer side of the second bearing (416) is welded with the inner wall of the second box body (4).

6. The water turbine head adjusting device of claim 1, characterized in that the lifting mechanism (42) comprises a movable rod (421), a second fixing plate (422), a supporting plate (423), a supporting rod (424), a second sliding block (425), a second sliding groove (426), a second spring (427) and a limiting pipe (428), the surface of the threaded sleeve (415) is rotatably connected with the movable rod (421), one end, far away from the threaded sleeve (415), of the movable rod (421) is rotatably connected with the second fixing plate (422), the supporting plate (423) is fixedly connected to the top of the second fixing plate (422), and the supporting rod (424) is welded to the top of the supporting plate (423).

7. The water turbine head adjusting device as claimed in claim 6, characterized in that both ends of the supporting plate (423) are fixedly connected with second sliding blocks (425), both sides of the inner wall of the second box body (4) are provided with second sliding grooves (426) used in cooperation with the second sliding blocks (425), and the inner wall of the second sliding grooves (426) is connected with the outer sides of the second sliding blocks (425) in a sliding manner.

8. The turbine head adjustment device as claimed in claim 6, characterized in that second springs (427) are welded to both sides of the top of the support plate (423), and the top of the second springs (427) is welded to the top of the inner cavity of the second housing (4).

9. The water turbine head regulating device as claimed in claim 6, characterized in that a limiting pipe (428) is sleeved outside the supporting rod (424), the inner ring of the limiting pipe (428) is connected with the outside of the supporting rod (424) in a sliding manner, and the outside of the limiting pipe (428) is welded with the inner wall of the second box body (4).

10. The hydraulic turbine head regulating device as claimed in claim 1, characterized in that a switch (5) is installed on the outer side of the second box (4), and an electrical output end of the switch (5) is electrically connected with an electrical input end of the motor (411).