A water turbine head regulating device

By designing the head adjustment device of the turbine, the adjustment mechanism and power output mechanism are used to solve the problems of head offset and low adjustment efficiency, precise adjustment and stability are achieved, and the output power and service life of the turbine are improved.

CN111022246BActive Publication Date: 2024-12-13GUANGDONG TECHN COLLEGE OF WATER RESOURCES & ELECTRIC ENG
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Patent Information

Application Number
CN201911250051.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-09
Publication Date
2024-12-13
Estimated Expiration
2039-12-09

AI Technical Summary

Technical Problem

Due to the lack of positioning mechanisms, the head of the existing turbines is prone to deviate under the erosion of the water body, and the height adjustment requires large equipment every time, which reduces the user's working efficiency.

Method used

A water head adjustment device for turbines is designed, including an adjustment mechanism, a rotating mechanism, a power output mechanism and a lifting mechanism. The threaded rod and a fixing plate are driven by the handle, and the precise adjustment is achieved using the card block and the slide rod, and the spring and the slide groove are set to reduce friction. Force, use bearings to reduce friction, springs and limit tubes to improve stability, and switches facilitate motor operation.

Benefits of technology

The precise adjustment and stability of the head is achieved, the deviation phenomenon is avoided, the output power of the turbine is improved, the adjustment process is simplified, and the service life of the device is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a water head regulating device for a water turbine, comprising a water head body, both sides of which are provided with regulating mechanisms, and the regulating mechanisms include a first box, a first clamping block, a sliding rod, a first slider, a limiting rod, a second clamping block and a fixing rod. The present invention drives the first threaded rod to rotate by a handle, the first threaded rod drives the first fixing plate to move, the first fixing plate drives the first clamping block to move, and through the coordinated use of the second clamping block, when the first clamping block movement belt completely fixes the rotating shaft, the purpose of tightening or accurately regulating the water head body can be achieved, and the problem that the existing water turbine, due to the lack of a corresponding positioning mechanism, is prone to displacement of the water head under the scouring of the water body during long-term use, and each time the height is adjusted, it is necessary to use large equipment such as a crane, which is inconvenient for users to use.
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Description

Technical Field

[0001] The invention relates to the field of water turbines, and in particular to a water turbine head regulating device. Background Art

[0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy. It belongs to the category of turbine machinery among fluid machinery. Most modern water turbines are installed in hydropower stations to drive generators to generate electricity. In a hydropower station, water from an upstream reservoir is led to the water turbine through a water diversion pipe, which drives the turbine runner to rotate and drives the generator to generate electricity. The water that has completed the work is discharged downstream through the tailwater pipe. The higher the water head and the greater the flow rate, the greater the output power of the water turbine.

[0003] During use, the existing water turbine lacks a corresponding positioning mechanism, which causes the water head to easily deviate under the scouring of the water body during long-term use. The higher the water head and the greater the flow rate, the greater the output power of the water turbine. However, due to the large size of the existing water turbine, each time its height is adjusted, it requires the use of large equipment such as a crane, which greatly reduces the user's work efficiency and is inconvenient for the user.

[0004] Therefore, it is necessary to provide a turbine head regulating device to solve the above technical problems. Summary of the invention

[0005] The present invention provides a water turbine head regulating device, which solves the problem that the existing water turbine lacks a corresponding positioning mechanism, resulting in the water head being easily offset under the scouring of the water body during long-term use, and each time the height of the water turbine is adjusted, large equipment such as a crane is required, which is inconvenient for users to use.

[0006] To solve the above technical problems, the present invention provides a water turbine head regulating device, comprising a water head body, both sides of the water head body are provided with regulating mechanisms, the regulating mechanisms comprising a first box, a first clamping block, a sliding rod, a first slider, a limiting rod, a second clamping block and a fixing rod, the inner cavity of the first box is respectively provided with the first clamping block and the second clamping block, both sides of the first clamping block are welded with sliding rods, one end of the sliding rod away from the first clamping block is fixedly connected with the first slider, the side of the first slider away from the sliding rod is slidably connected with the limiting rod, the top and bottom of the limiting rod are both welded to the inner wall of the first box, both sides of the bottom of the second clamping block are fixedly connected with the fixing rod, the bottom of the fixing rod is welded to the bottom of the inner cavity of the first box, the inner ring of the water head body is fixedly connected with a rotating shaft, both ends of the rotating shaft pass through the outer side of the first box and extend to the inner cavity of the first box, the top of the inner cavity of the first box is provided with a rotating mechanism, the bottom of the first box is provided with a second box, and the inner cavity of the second box is respectively provided with a power output mechanism and a lifting mechanism.

[0007] Preferably, the rotating mechanism includes a handle, a first threaded rod, a first fixed plate and a first bearing, the first threaded rod is welded to the side of the handle close to the first box body, the end of the first threaded rod away from the handle passes through the top of the first box body and is welded to the first fixed plate, the outer side of the first threaded rod is threadedly connected to the first bearing, and the outer side of the first bearing is welded to the inner wall of the first box body.

[0008] Preferably, a first spring is welded to the top of the sliding rod, and the top of the first spring is welded to the inner wall of the first box body.

[0009] Preferably, a first sliding groove used in conjunction with the first sliding block is formed on one side of the limiting rod close to the sliding rod, and an inner wall of the first sliding groove is slidably connected to an outer side of the first sliding block.

[0010] Preferably, the power output mechanism includes a motor, a driving wheel, a driven wheel, a second threaded rod, a threaded sleeve and a second bearing. The bottom of the motor is fixedly connected to the bottom of the inner cavity of the second box body by fixing bolts. The output end of the motor is fixedly connected to the driving wheel. The outer side of the driving wheel is meshingly connected to the driven wheel. The inner ring of the driven wheel is fixedly connected to the second threaded rod. The outer side of the second threaded rod is threadedly connected to the threaded sleeve. Both ends of the second threaded rod are rotatably connected to the second bearings. The inner ring of the second bearing is fixedly connected to the outer side of the second threaded rod. The outer side of the second bearing is welded to the inner wall of the second box body.

[0011] Preferably, the lifting mechanism includes a movable rod, a second fixed plate, a support plate, a support rod, a second slider, a second slide groove, a second spring and a limiting tube. The surface of the threaded sleeve is rotatably connected to the movable rod, and the end of the movable rod away from the threaded sleeve is rotatably connected to the second fixed plate. The top of the second fixed plate is fixedly connected to the support plate, and the top of the support plate is welded with a support rod.

[0012] Preferably, both ends of the support plate are fixedly connected with a second slider, both sides of the inner wall of the second box body are provided with a second slide groove used in conjunction with the second slider, and the inner wall of the second slide groove is slidably connected to the outer side of the second slider.

[0013] Preferably, second springs are welded to both sides of the top of the support plate, and the top of the second spring is welded to the top of the inner cavity of the second box body.

[0014] Preferably, a limiting tube is sleeved on the outer side of the support rod, an inner ring of the limiting tube is slidably connected to the outer side of the support rod, and the outer side of the limiting tube is welded to the inner wall of the second box body.

[0015] Preferably, a switch is installed on the outer side of the second box, and the electrical output end of the switch is electrically connected to the electrical input end of the motor.

[0016] Compared with the related art, the water turbine head regulating device provided by the present invention has the following beneficial effects:

[0017] The present invention provides a water turbine head regulating device.

[0018] 1. The present invention drives the first threaded rod to rotate through the handle, the first threaded rod drives the first fixed plate to move, the first fixed plate drives the first clamping block to move, and through the coordinated use of the second clamping block, when the first clamping block movement belt completely fixes the rotating shaft, the purpose of tightening or accurately adjusting the water head body can be achieved, which solves the problem that the existing water turbine lacks a corresponding positioning mechanism during use, resulting in the water head being easily offset under the scouring of the water body during long-term use, and each time the height is adjusted, it is necessary to use large equipment such as a crane, which is inconvenient for users to use.

[0019] 2. The present invention facilitates the user to adjust the position of the water head body by providing a rotating mechanism. The first spring is provided to limit the movement of the slide rod, and at the same time, the stability of the slide rod during the movement is improved, thereby avoiding the phenomenon that the slide rod deviates during the movement due to the lack of a limiting device. The first sliding groove is provided to reduce the friction between the first slider and the limiting rod, facilitate the sliding of the first slider in the limiting rod, and effectively extend the service life of the first slider and the limiting rod. The second bearing is provided to reduce the friction between the second threaded rod and the second box body, facilitate the rotation of the second threaded rod in the second box body, and effectively extend the service life of the second threaded rod and the second box body. The service life of the support plate is prolonged. By setting a lifting mechanism, it is convenient for users to adjust the height of the water head body, and the output power of the turbine is maximized. By setting the second slider and the second slide groove for coordinated use, the friction between the support plate and the second box body is reduced, and the sliding of the support plate in the second box body is facilitated, which effectively extends the service life of the support plate and the second box body. By setting the second spring, the stability of the support plate during movement is improved. By setting the limiting tube, the stability of the support rod is improved, and the shaking and deviation of the support rod during movement due to the lack of a limiting device are avoided. By setting the switch, it is convenient for users to turn on and off the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a preferred embodiment of a water turbine head regulating device provided by the present invention;

[0021] Figure 2 for Figure 1 The structural schematic diagram of the regulating mechanism shown;

[0022] Figure 3 for Figure 2 A schematic diagram of the structure of the rotating mechanism shown;

[0023] Figure 4 A schematic structural diagram of another preferred embodiment of a water turbine head regulating device provided by the present invention;

[0024] Figure 5 for Figure 4 A schematic diagram of the internal structure of the second box is shown.

[0025] Numbers in the figure: 1, water head body; 101, rotating shaft; 2, adjusting mechanism; 201, first box; 202, first clamping block; 203, sliding rod; 204, first sliding block; 205, limiting rod; 206, second clamping block; 207, fixing rod; 208, first spring; 209, first sliding groove; 3, rotating mechanism; 301, handle; 302, first threaded rod; 303, first fixing plate; 304, first bearing; 4 , second housing; 41, power output mechanism; 411, motor; 412, driving wheel; 413, driven wheel; 414, second threaded rod; 415, threaded sleeve; 416, second bearing; 42, lifting mechanism; 421, movable rod; 422, second fixed plate; 423, support plate; 424, support rod; 425, second slider; 426, second slide groove; 427, second spring; 428, limit tube; 5, switch. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a water turbine head regulating device provided by the present invention, Figure 2 for Figure 1 The structural diagram of the regulating mechanism shown in FIG. Figure 3 for Figure 2 The structural diagram of the rotating mechanism shown in FIG. Figure 4 A schematic structural diagram of another preferred embodiment of a water turbine head regulating device provided by the present invention, Figure 5 for Figure 4The schematic diagram of the internal structure of the second box body shown in the figure, a turbine head regulating device, including a head body 1, both sides of the head body 1 are provided with regulating mechanisms 2, the regulating mechanism 2 includes a first box body 201, a first clamping block 202, a slide bar 203, a first slider 204, a limit rod 205, a second clamping block 206 and a fixed rod 207, the inner cavity of the first box body 201 is respectively provided with a first clamping block 202 and a second clamping block 206, both sides of the first clamping block 202 are welded with slide bars 203, one end of the slide bar 203 away from the first clamping block 202 is fixedly connected to the first slider 204, and the first slider 204 is slidably connected to the side away from the slide bar 203 There is a limit rod 205, the top and bottom of which are welded to the inner wall of the first box body 201, both 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 to the bottom of the inner cavity of the first box body 201, the inner ring of the head body 1 is fixedly connected with a rotating shaft 101, both ends of the rotating shaft 101 pass through the outside of the first box body 201 and extend to the inner cavity of the first box body 201, a rotating mechanism 3 is arranged at the top of the inner cavity of the first box body 201, a second box body 4 is arranged at the bottom of the first box body 201, and a power output mechanism 41 and a lifting mechanism 42 are respectively arranged in the inner cavity of the second box body 4.

[0028] The rotating mechanism 3 includes a handle 301, a first threaded rod 302, a first fixed plate 303 and a first bearing 304. The first threaded rod 302 is welded to the side of the handle 301 close to the first box body 201, and the end of the first threaded rod 302 away from the handle 301 passes through the top of the first box body 201 and is welded to the first fixed plate 303. The outer side of the first threaded rod 302 is threadedly connected to the first bearing 304, and the outer side of the first bearing 304 is welded to the inner wall of the first box body 201. By setting the rotating mechanism 3, it is convenient for the user to adjust the position of the water head body 1.

[0029] 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 box body 201. By setting the first spring 208, the movement of the slide bar 203 is limited, and at the same time, the stability of the slide bar 203 during the movement is improved, avoiding the phenomenon of the slide bar 203 being offset during the movement due to the lack of a limiting device.

[0030] A first sliding groove 209 used in conjunction with the first slider 204 is provided on one side of the limiting rod 205 close to the sliding rod 203. The inner wall of the first sliding groove 209 is slidably connected to the outer side of the first slider 204. By providing the first sliding groove 209, the friction between the first slider 204 and the limiting rod 205 is reduced, the sliding of the first slider 204 in the limiting rod 205 is facilitated, and the service life of the first slider 204 and the limiting rod 205 is effectively extended.

[0031] The power output mechanism 41 includes 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 to the bottom of the inner cavity of the second box body 4 by a fixing bolt. The output end of the motor 411 is fixedly connected to the driving wheel 412. The outer side of the driving wheel 412 is meshedly connected to the driven wheel 413. The inner ring of the driven wheel 413 is fixedly connected to the second threaded rod 414. The outer thread of the second threaded rod 414 is A threaded sleeve 415 is connected, and both ends of the second threaded rod 414 are rotatably connected to the second bearing 416. The inner ring of the second bearing 416 is fixedly connected to the outer side of the second threaded rod 414, and the outer side of the second bearing 416 is welded to the inner wall of the second box body 4. By setting the second bearing 416, the friction between the second threaded rod 414 and the second box body 4 is reduced, the rotation of the second threaded rod 414 in the second box body 4 is facilitated, and the service life of the second threaded rod 414 and the second box body 4 is effectively extended.

[0032] The lifting mechanism 42 includes a movable rod 421, a second fixed plate 422, a support plate 423, a support rod 424, a second slider 425, a second slide groove 426, a second spring 427 and a limiting tube 428. The surface of the threaded sleeve 415 is rotatably connected with the movable rod 421, and the end of the movable rod 421 away from the threaded sleeve 415 is rotatably connected with the second fixed plate 422. The top of the second fixed plate 422 is fixedly connected with the support plate 423, and the top of the support plate 423 is welded with the support rod 424. By setting the lifting mechanism 42, it is convenient for users to adjust the height of the water head body 1, and the output power of the turbine is maximized.

[0033] Both ends of the support plate 423 are fixedly connected with a second slider 425, and both sides of the inner wall of the second box body 4 are provided with a second slide groove 426 used in conjunction with the second slider 425, and the inner wall of the second slide groove 426 is slidably connected to the outer side of the second slider 425. By setting the second slider 425 and the second slide groove 426 for use in conjunction, the friction between the support plate 423 and the second box body 4 is reduced, the sliding of the support plate 423 in the second box body 4 is facilitated, and the service life of the support plate 423 and the second box body 4 is effectively extended.

[0034] Second springs 427 are welded to both sides of the top of the support plate 423, and the top of the second spring 427 is welded to the top of the inner cavity of the second box body 4. By providing the second spring 427, the stability of the support plate 423 during movement is improved.

[0035] The outer side of the support rod 424 is sleeved with a limiting tube 428, the inner ring of the limiting tube 428 is slidably connected to the outer side of the support rod 424, and the outer side of the limiting tube 428 is welded to the inner wall of the second box body 4. By providing the limiting tube 428, the stability of the support rod 424 is improved, and the shaking and deviation of the support rod 424 during movement due to the lack of a limiting device is avoided.

[0036] A switch 5 is installed on the outer side of the second box body 4 , and the electrical output end of the switch 5 is electrically connected to the electrical input end of the motor 411 . By providing the switch 5 , it is convenient for the user to turn on and off the motor 411 .

[0037] In this embodiment, it should be noted that the model of the motor 411 is YVP-160M1.

[0038] The working principle of a water turbine head regulating device provided by the present invention is as follows:

[0039] During use, when the position of the water head body 1 is offset or loose, the user only needs to drive the first threaded rod 302 to rotate through the handle 301, and the first threaded rod 302 drives the first fixing plate 303 to move, and the first fixing plate 303 drives the first clamping block 202 to move. Through the cooperation of the second clamping block 206, when the movement belt of the first clamping block 202 completely fixes the rotating shaft 101, the purpose of tightening or precisely adjusting the water head body 1 can be achieved. Through the cooperation of the first spring 208, the vibration of the water head body 1 during use can also be buffered, thereby reducing the probability of the water head body 1 being offset during use. When the height of the water head body 1 needs to be adjusted, the user turns on the motor 411 through the switch 5, and the motor 411 drives The driving wheel 412 rotates, and the driving wheel 412 drives the driven wheel 413 to rotate, and the driven wheel 413 drives the second threaded rod 414 to rotate, and the second threaded rod 414 drives the threaded sleeve 415 to rotate, and the threaded sleeve 415 drives the movable rod 421 to move, and the movable rod 421 drives the second fixed plate 422 to move, and the second fixed plate 422 drives the support plate 423 to move, and the support plate 423 drives the second slider 425 to slide in the second slide groove 426, and at the same time compresses the second spring 427 to deform and drive the support rod 424 to move upward. Through the coordinated use of the second slider 425, the second slide groove 426 and the second spring 427, the stability of the support plate 423 during the movement is improved, and the support rod 424 drives the first box body 201 to move, so as to achieve the purpose of adjusting the height of the water head body 1.

[0040] Compared with the related art, the water turbine head regulating device provided by the present invention has the following beneficial effects:

[0041] The present invention drives the first threaded rod 302 to rotate through the handle 301, the first threaded rod 302 drives the first fixed plate 303 to move, the first fixed plate 303 drives the first clamping block 202 to move, and through the cooperation of the second clamping block 206, when the first clamping block 202 moves to completely fix the rotating shaft 101, the purpose of tightening or accurately adjusting the water head body 1 can be achieved, which solves the problem that when the existing water turbine is in use, due to the lack of corresponding positioning mechanism, the water head is easily offset under the scouring of the water body during long-term use, and each time the height is adjusted, it is necessary to use large equipment such as a crane, which is inconvenient for users to use.

[0042] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A water turbine head regulating device, comprising a water head body (1), characterized in that: Both sides of the water head body (1) are provided with an adjustment mechanism (2), and the adjustment mechanism (2) comprises a first box (201), a first clamping block (202), a sliding rod (203), a first slider (204), a limiting rod (205), a second clamping block (206) and a fixing rod (207). The inner cavity of the first box (201) is provided with the first clamping block (202) and the second clamping block (206), respectively. Both sides of the first clamping block (202) are welded with sliding rods (203), one end of the sliding rod (203) away from the first clamping block (202) is fixedly connected to the first slider (204), and the side of the first slider (204) away from the sliding rod (203) is slidably connected to the limiting rod (205), and the limiting rod (205) is fixedly connected to the first slider (204 ...). The top and bottom of the positioning rod (205) are welded to the inner wall of the first box (201); both sides of the bottom of the second clamping block (206) are fixedly connected to fixing rods (207); the bottom of the fixing rods (207) is welded to the bottom of the inner cavity of the first box (201); the inner ring of the water head body (1) is fixedly connected to a rotating shaft (101); both ends of the rotating shaft (101) pass through the outside of the first box (201) and extend to the inner cavity of the first box (201); a rotating mechanism (3) is arranged at the top of the inner cavity of the first box (201); a second box (4) is arranged at the bottom of the first box (201); and a power output mechanism (41) and a lifting mechanism (42) are respectively arranged in the inner cavity of the second box (4). The rotating mechanism (42) 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 to a side of the handle (301) close to the first box (201); an end of the first threaded rod (302) away from the handle (301) passes through the top of the first box (201) and is welded to the first fixing plate (303); the outer side of the first threaded rod (302) is threadedly connected to the first bearing (304); the outer side of the first bearing (304) is welded to the inner wall of the first box (201); the power output mechanism (41) comprises a motor (411), a driving wheel (412), a driven wheel (413), and a rotating mechanism (32) comprising a first threaded rod (302). 3), a second threaded rod (414), a threaded sleeve (415) and a second bearing (416), the bottom of the motor (411) is fixedly connected to the bottom of the inner cavity of the second housing (4) by means of fixing bolts, the output end of the motor (411) is fixedly connected to a driving wheel (412), the outer side of the driving wheel (412) is meshingly connected to a driven wheel (413), the inner ring of the driven wheel (413) is fixedly connected to the second threaded rod (414), the outer side of the second threaded rod (414) is threadedly connected to the threaded sleeve (415), both ends of the second threaded rod (414) are rotatably connected to the second bearing (416), the inner ring of the second bearing (416) is fixedly connected to the outer side of the second threaded rod (414),The outer side of the second bearing (416) is welded to the inner wall of the second box body (4); the lifting mechanism (42) comprises a movable rod (421), a second fixed plate (422), a support plate (423), a support rod (424), a second slider (425), a second slide groove (426), a second spring (427) and a limit tube (428); the surface of the threaded sleeve (415) is rotatably connected to the movable rod (421); one end of the movable rod (421) away from the threaded sleeve (415) is rotatably connected to the second fixed plate (422); the top of the second fixed plate (422) is fixedly connected to the support plate (423); and the top of the support plate (423) is welded to the support rod (424).

2. The water turbine head regulating device according to claim 1, characterized in that: A first spring (208) is welded to the top of the sliding rod (203), and the top of the first spring (208) is welded to the inner wall of the first box body (201).

3. The water turbine head regulating device according to claim 1, characterized in that: A first sliding groove (209) for use with the first sliding block (204) is provided on one side of the limiting rod (205) close to the sliding rod (203); an inner wall of the first sliding groove (209) is slidably connected to an outer side of the first sliding block (204).

4. The water turbine head regulating device according to claim 1, characterized in that: Both ends of the support plate (423) are fixedly connected to a second sliding block (425), and both sides of the inner wall of the second box body (4) are provided with a second sliding groove (426) for use with the second sliding block (425), and the inner wall of the second sliding groove (426) is slidably connected to the outer side of the second sliding block (425).

5. The water turbine head regulating device according to claim 1, 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 spring (427) is welded to the top of the inner cavity of the second box body (4).

6. The water turbine head regulating device according to claim 1, characterized in that: A limiting tube (428) is sleeved on the outer side of the support rod (424), the inner ring of the limiting tube (428) is slidably connected to the outer side of the support rod (424), and the outer side of the limiting tube (428) is welded to the inner wall of the second box body (4).

7. The water turbine head regulating device according to claim 1, characterized in that: A switch (5) is installed on the outer side of the second box (4), and the electrical output end of the switch (5) is electrically connected to the electrical input end of the motor (411).