Water turbine guide vane assembling and positioning device

Abstract

The utility model relates to the technical field of water turbine machining, and discloses a water turbine guide vane assembling and positioning device. Comprising a supporting frame and guide vanes, universal wheels are fixedly connected to the bottom of the supporting frame, a groove is formed in the inner wall of the top end of the supporting frame, a lead screw is rotationally connected to the portion, located on the inner wall of the groove, of the supporting frame, a motor is fixedly connected to the side wall of the top end of the supporting frame, and an output shaft of the motor is fixedly connected with the end of the lead screw; the rod wall of the lead screw is in threaded connection with a sliding block, and the bottom of the sliding block is fixedly connected with a connecting table. The end of the piston rod of the double-end air cylinder can drive the lifting rope to move through the connecting plate, the lifting rope ascends and descends to adjust the height of the guide vane, follow-up assembly adjustment is facilitated, the supporting frame flexibly moves through the universal wheels, the guide vane can be flexibly adjusted, the arc-shaped clamping plate slides along the inner wall of the lifting plate through the movable block, and the guide vane can be conveniently assembled and adjusted. Gaps of the arc-shaped clamping plates are adjusted to adapt to different specifications of guide vanes.

Description

Technical Field

[0001] The utility model relates to the technical field of water turbine processing, in particular to a water turbine guide vane assembly positioning device. Background Art

[0002] A water turbine is a device that utilizes the energy of water flow to convert the kinetic energy of water flow into mechanical energy. It consists of a water wheel, a water pipe system, and power generation equipment. The water turbine rotates through the impact and push of the water flow, thereby driving the generator or other mechanical equipment to work.

[0003] In the prior art, the guide vanes inside the turbine need to be assembled during the processing of the turbine, but the guide vanes inside the turbine are large in size and are not easy to flexibly adjust during the assembly process, which will affect the positioning accuracy of the guide vanes inside the turbine during assembly. Therefore, the utility model designs a turbine guide vane assembly positioning device. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the guide vanes inside the turbine need to be assembled during the processing of the turbine, and the guide vanes inside the turbine are large in size and are not convenient for flexible adjustment during the assembly process, which will affect the positioning accuracy of the guide vanes inside the turbine during assembly. A turbine guide vane assembly positioning device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The guide vane assembly and positioning device of a water turbine comprises a support frame and a guide vane, the bottom of the support frame is fixedly connected with a universal wheel, the top inner wall of the support frame is provided with a groove, the support frame is located at the inner wall of the groove and is rotatably connected with a screw rod, the top side wall of the support frame is fixedly connected with a motor, the output shaft of the motor is fixedly connected to the end of the screw rod, the rod wall of the screw rod is threadedly connected with a slider, the bottom of the slider is fixedly connected with a connecting platform, the guide vane is arranged below the connecting platform, an arc-shaped clamping plate is sleeved on the shaft body inside the guide vane, the bottom of the arc-shaped clamping plate is threadedly connected with a bolt, a hanging plate is provided above the arc-shaped clamping plate, the top of the hanging plate is fixedly connected with a hanging rope, the inside of the connecting platform is fixedly connected with a double-headed cylinder, the top of the hanging rope passes through the connecting platform and extends to the outside of the connecting platform and is fixedly connected with a connecting plate, and the piston rod end of the double-headed cylinder is fixedly connected to the connecting plate.

[0007] Preferably, a slide groove is provided at the bottom of the hanging plate, and a movable block is slidably provided on the inner wall of the slide groove of the hanging plate, and the bottom of the movable block is fixedly connected to the arc-shaped clamping plate.

[0008] Preferably, a guide wheel is rotatably provided on the inner wall of the connecting platform, and the suspension rope is pressed against the side wall of the guide wheel.

[0009] Preferably, an insert block is fixedly connected to the top of the connecting platform, a slot is provided on the inner wall of the bottom end of the sliding block, the insert block is plugged into the inner wall of the slot, and a limiting mechanism is provided inside the insert block.

[0010] Preferably, the limiting mechanism includes a rotating rod, a clamping plate and a torsion spring, a groove is provided on the side wall of the plug block, the rotating rod is rotatably connected to the inner wall of the groove, the clamping plate and the torsion spring are respectively fixedly mounted on the rod wall of the rotating rod, one end of the torsion spring is fixedly connected to the inner wall of the clamping plate, and the other end of the torsion spring is fixedly connected to the inner wall of the plug block, the inner wall of the slider located in the slot is provided with a clamping groove, and the clamping plate extends to the inside of the clamping groove.

[0011] Preferably, the inner wall of the sliding block located at the slot is arranged in a fan shape, and the clamping plate is clamped on the inner wall of the slot.

[0012] Preferably, a pull rope is fixedly connected to the side wall of the clamping plate, a through hole is opened on the inner wall of the connecting platform, and the pull rope passes through the through hole and extends to the outside of the connecting platform.

[0013] Preferably, one end of the pull rope located outside the connecting platform is fixedly connected to a handle, and the handle is arranged in a T-shape.

[0014] Preferably, a reinforcing plate is fixedly connected to the top side wall of the support frame, and the reinforcing plate is configured as a trapezoidal plate.

[0015] Preferably, an anti-skid rubber pad is fixedly connected to the inner wall of the arc-shaped clamping plate, and the anti-skid rubber pad is pressed against the shaft inside the guide vane.

[0016] Compared with the prior art, the utility model provides a turbine guide vane assembly positioning device, which has the following beneficial effects:

[0017] 1. The turbine guide vane assembly and positioning device can drive the lifting rope to move through the connecting plate through the piston rod end of the double-headed cylinder, so that the lifting rope can be raised and lowered to adjust the height of the guide vane for subsequent assembly and adjustment. The support frame can be flexibly moved through the universal wheel to facilitate flexible adjustment of the guide vane. The arc clamping plate slides along the inner wall of the hanging plate through the movable block, and the gap of the arc clamping plate is adjusted to adapt to different specifications of the guide vane.

[0018] 2. The turbine guide vane assembly positioning device is arranged inside the slot through the connecting platform through the plug-in block. The torsion spring pushes the card plate to extend into the card slot, thereby improving the stability of the connecting platform. The connecting platform can be flexibly disassembled according to the use requirements, which is convenient for subsequent maintenance and repair.

[0019] 3. The turbine guide vane assembly positioning device can be moved by pulling the handle to pull the pull rope to shrink the clamping plate to the inside of the groove, so that the plug block can be disassembled more conveniently. The reinforcement plate can improve the stability of the support frame 1, and the anti-slip rubber pad can improve the stability of the arc clamping plate on the internal shaft of the guide vane. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of the turbine guide vane assembly positioning device proposed by the utility model;

[0021] Figure 2 for Figure 1 The structural side view of the center guide vane;

[0022] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0023] In the figure: 1 support frame, 2 universal wheel, 3 motor, 4 screw rod, 5 slider, 6 connecting platform, 7 guide vane, 8 arc clamp, 9 bolt, 10 hanging plate, 11 movable block, 12 hanging rope, 13 double-head cylinder, 14 connecting plate, 15 guide wheel, 16 plug block, 17 rotating rod, 18 clamping plate, 19 torsion spring, 20 pull rope, 21 handle, 22 reinforcement plate, 23 anti-slip rubber pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Embodiment 1

[0026] Reference Figure 1-3 The guide vane assembly and positioning device of the water turbine comprises a support frame 1 and a guide vane 7. The bottom of the support frame 1 is fixedly connected with a universal wheel 2. A groove is provided on the inner wall of the top end of the support frame 1. The support frame 1 is rotatably connected with a screw rod 4 on the inner wall of the groove. The top side wall of the support frame 1 is fixedly connected with a motor 3. The output shaft of the motor 3 is fixedly connected to the end of the screw rod 4. A slider 5 is threadedly connected to the rod wall of the screw rod 4. The bottom of the slider 5 is fixedly connected with a connecting platform 6. The guide vane 7 is arranged below the connecting platform 6. An arc-shaped clamping plate 8 is sleeved on the shaft body inside the guide vane 7. A bolt 9 is threadedly connected to the bottom of the arc-shaped clamping plate 8. A hanging plate 10 is provided above the arc-shaped clamping plate 8. The top of the hanging plate 10 is fixedly connected with a hanging rope 12. A double-headed cylinder 13 is fixedly connected to the inside of the connecting platform 6. The top of the hanging rope 12 passes through the connecting platform 6 and extends to the outside of the connecting platform 6 and is fixedly connected with a connecting plate 14. The piston rod end of the double-headed cylinder 13 is fixedly connected to the connecting plate 14.

[0027] A slide groove is provided at the bottom of the hanging plate 10, and a movable block 11 is slidably provided on the inner wall of the slide groove. The bottom of the movable block 11 is fixedly connected to the arc-shaped clamping plate 8. A guide wheel 15 is rotatably provided on the inner wall of the connecting platform 6, and the hanging rope 12 is pressed tightly on the side wall of the guide wheel 15. An insert block 16 is fixedly connected to the top of the connecting platform 6, and a slot is provided on the inner wall of the bottom end of the slider 5, and the insert block 16 is plugged into the inner wall of the slot.

[0028] A limiting mechanism is provided inside the plug block 16, and the limiting mechanism includes a rotating rod 17, a clamping plate 18 and a torsion spring 19. A groove is provided on the side wall of the plug block 16, and the rotating rod 17 is rotatably connected to the inner wall of the groove. The clamping plate 18 and the torsion spring 19 are respectively fixedly sleeved on the rod wall of the rotating rod 17, one end of the torsion spring 19 is fixedly connected to the inner wall of the clamping plate 18, and the other end of the torsion spring 19 is fixedly connected to the inner wall of the plug block 16. A clamping groove is provided on the inner wall of the slot where the slider 5 is located, and the clamping plate 18 extends to the inside of the clamping groove. The inner wall of the slider 5 located at the clamping groove is arranged in a fan shape, and the clamping plate 18 is clamped on the inner wall of the clamping groove.

[0029] When in use, the output shaft of the motor 3 can drive the screw rod 4 to rotate, and the rotation of the screw rod 4 can drive the slider 5 to slide on the inner wall of the support frame 1, which can drive the connecting platform 6 to move. The connecting platform 6 can stably install the guide vane 7 through the hanging rope 12, the hanging plate 10 and the arc-shaped clamping plate 8. The piston rod end of the double-headed cylinder 13 can drive the hanging rope 12 to move through the connecting plate 14, so that the hanging rope 12 can be raised and lowered, thereby adjusting the height of the guide vane 7, which is convenient for subsequent assembly and adjustment. The support frame 1 can be flexibly moved through the universal wheel 2, which is convenient for flexible adjustment of the guide vane 7. The arc-shaped clamping plate 8 can slide along the inner wall of the hanging plate 10 through the movable block 11, and the gap of the arc-shaped clamping plate 8 can be adjusted to adapt to different specifications of the guide vane 7. The guide wheel 15 can reduce the friction of the hanging rope 12 inside the connecting platform 6.

[0030] The connecting platform 6 can be inserted into the slot through the plug block 16, and the torsion spring 19 can push the card plate 18 to extend into the slot, which can improve the stability of the connecting platform 6. At the same time, the connecting platform 6 can be flexibly disassembled according to usage requirements to facilitate subsequent maintenance and repair.

[0031] Embodiment 2

[0032] Reference Figure 1-3 A pull rope 20 is fixedly connected to the side wall of the card plate 18, a through hole is opened on the inner wall of the connecting platform 6, the pull rope 20 passes through the through hole and extends to the outside of the connecting platform 6, and one end of the pull rope 20 located on the outside of the connecting platform 6 is fixedly connected to a handle 21, and the handle 21 is set to be T-shaped.

[0033] By pulling the handle 21 , the pull rope 20 can be pulled to move, so that the clamping plate 18 can be retracted into the inside of the groove, and the insertion block 16 can be disassembled more conveniently.

[0034] Embodiment 3

[0035] Reference Figure 1-3 The top side wall of the support frame 1 is fixedly connected with a reinforcing plate 22, which is set as a trapezoidal plate. The inner wall of the arc clamping plate 8 is fixedly connected with an anti-skid rubber pad 23, which is pressed against the shaft inside the guide vane 7.

[0036] The reinforcing plate 22 can improve the stability of the support frame 1 , and the anti-skid rubber pad 23 can improve the stability of the arc-shaped clamping plate 8 on the internal shaft of the guide vane 7 .

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water turbine guide vane assembly and positioning device, comprising a support frame (1) and a guide vane (7), characterized in that: The bottom of the support frame (1) is fixedly connected with a universal wheel (2), the inner wall of the top end of the support frame (1) is provided with a groove, the inner wall of the support frame (1) is rotatably connected with a screw rod (4), the top side wall of the support frame (1) is fixedly connected with a motor (3), the output shaft of the motor (3) is fixedly connected with the end of the screw rod (4), the rod wall of the screw rod (4) is threadedly connected with a slider (5), the bottom of the slider (5) is fixedly connected with a connecting platform (6), the guide vane (7) is arranged below the connecting platform (6), and the guide vane (7) An arc-shaped clamping plate (8) is sleeved on the internal shaft body, and a bolt (9) is threadedly connected to the bottom of the arc-shaped clamping plate (8), and a hanging plate (10) is provided above the arc-shaped clamping plate (8), and the top of the hanging plate (10) is fixedly connected to a hanging rope (12), and the inside of the connecting platform (6) is fixedly connected to a double-headed cylinder (13), and the top of the hanging rope (12) passes through the connecting platform (6) and extends to the outside of the connecting platform (6) and is fixedly connected to a connecting plate (14), and the piston rod end of the double-headed cylinder (13) is fixedly connected to the connecting plate (14).

2. The water turbine guide vane assembly and positioning device according to claim 1, characterized in that: A sliding groove is provided at the bottom of the hanging plate (10), and a movable block (11) is slidably provided on the inner wall of the sliding groove of the hanging plate (10), and the bottom of the movable block (11) is fixedly connected to the arc-shaped clamping plate (8).

3. The water turbine guide vane assembly and positioning device according to claim 1, characterized in that: A guide wheel (15) is rotatably arranged on the inner wall of the connecting platform (6), and the suspension rope (12) is pressed against the side wall of the guide wheel (15).

4. The water turbine guide vane assembly and positioning device according to claim 1, characterized in that: The top of the connecting platform (6) is fixedly connected with an insert block (16), the inner wall of the bottom end of the sliding block (5) is provided with a slot, the insert block (16) is inserted into the inner wall of the slot, and a limiting mechanism is provided inside the insert block (16).

5. The water turbine guide vane assembly and positioning device according to claim 4, characterized in that: The limiting mechanism comprises a rotating rod (17), a clamping plate (18) and a torsion spring (19); a groove is provided on the side wall of the insert block (16); the rotating rod (17) is rotatably connected to the inner wall of the groove; the clamping plate (18) and the torsion spring (19) are respectively fixedly sleeved on the rod wall of the rotating rod (17); one end of the torsion spring (19) is fixedly connected to the inner wall of the clamping plate (18); the other end of the torsion spring (19) is fixedly connected to the inner wall of the insert block (16); a clamping groove is provided on the inner wall of the sliding block (5) located in the slot; and the clamping plate (18) extends to the inside of the clamping groove.

6. The water turbine guide vane assembly and positioning device according to claim 5, characterized in that: The sliding block (5) is arranged in a sector shape on the inner wall of the slot, and the clamping plate (18) is clamped on the inner wall of the slot.

7. The water turbine guide vane assembly and positioning device according to claim 5, characterized in that: A pull rope (20) is fixedly connected to the side wall of the clamping plate (18), a through hole is provided on the inner wall of the connecting platform (6), and the pull rope (20) passes through the through hole and extends to the outside of the connecting platform (6).

8. The water turbine guide vane assembly and positioning device according to claim 7, characterized in that: One end of the pull rope (20) located outside the connection platform (6) is fixedly connected to a handle (21), and the handle (21) is arranged in a T shape.

9. The water turbine guide vane assembly and positioning device according to claim 1, characterized in that: A reinforcing plate (22) is fixedly connected to the top side wall of the support frame (1), and the reinforcing plate (22) is configured as a trapezoidal plate.

10. The water turbine guide vane assembly and positioning device according to claim 1, characterized in that: The inner wall of the arc-shaped clamping plate (8) is fixedly connected with an anti-skid rubber pad (23), and the anti-skid rubber pad (23) is pressed against the shaft inside the guide vane (7).

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