Shock absorption base of water turbine

Abstract

The utility model belongs to the technical field of water turbine auxiliary devices and discloses a water turbine damping base which comprises a water turbine and a damping base body, a generator is fixedly connected to a shell of the water turbine, the water turbine is fixedly installed on the damping base body through a bottom plate at the bottom, and the damping base body comprises a rectangular fixing frame with an upper opening. A damping unit is fixedly arranged in the rectangular fixing frame, the outer wall of the damping unit is in lap joint with the inner side wall of the rectangular fixing frame, the top of the damping unit is fixedly connected to the bottom of the bottom plate through a mounting plate, and the damping unit comprises a plurality of multidirectional damping blocks arranged in parallel; according to the water turbine damping base, double damping is conducted on the water turbine through the rubber damping pads and the multi-direction damping blocks, the water turbine operates stably, the water turbine can be conveniently and stably installed on the damping base through the rubber damping pads and the positioning blocks, damping is conveniently conducted on the water turbine in multiple directions through the multi-direction damping blocks, and the damping effect is good. And meanwhile, the multidirectional damping block is of a polyhedral hollow structure, so that the weight of the damping base is conveniently reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water turbine damping base belongs to water turbine auxiliary device technical field. BACKGROUND

[0002] When water turbine works, it will produce larger vibration, at this moment, it is needed to carry out damping treatment to water turbine, and part of the water turbine base has set damping device to reduce the influence of water turbine vibration on the base fixation, but the damping device of the existing water turbine usually only carries out single direction damping to water turbine, and the damping effect is not ideal.

[0003] For example, the utility model patent CN201920915000.2 discloses a damping device for water turbine generator set, which adopts the scheme that two side panels are arranged on the upper end of the base near the edges of the two sides, two slide rails are arranged on the upper end surface of the base, a controller is arranged on the upper surface of the base near the front surface, the damping structure comprises four hydraulic cylinders, two mounting seats and two clamping plates, the four hydraulic cylinders are arranged in pairs and fixedly installed on the side panels on the two sides of the upper surface of the base near the lower end, and the four hydraulic cylinders are perpendicular to the side panels, and the telescopic ends are directed towards the inside of the base, the hydraulic cylinders are electrically connected with the controller, the two ends of the two mounting seats away from each other are fixedly connected with the telescopic ends of the two hydraulic cylinders on the two side panels, and the bottom end of the mounting seat is connected with the slide rail through the connecting piece, and the two clamping plates are fixedly connected with the two mounting seats away from each other through a plurality of springs. This way only carries out single direction damping to the water turbine set, ignores the damping in the other two directions, and the damping effect is not ideal, and the water turbine cannot be damped in multiple directions.

[0004] Therefore, a water turbine damping base capable of damping the water turbine in multiple directions is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a water turbine damping base.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water turbine damping base, comprising a water turbine and a damping base, a generator is fixedly connected to the shell of the water turbine, the motor shaft of the generator is coaxially fixedly connected with a water wheel in the water turbine, a bottom plate is fixedly connected to the bottom of the water turbine shell, the bottom plate is fixedly installed on the top of the damping base, the damping base comprises a rectangular fixed frame with an upper opening, a damping unit is fixedly arranged in the rectangular fixed frame, the outer wall of the damping unit is lapped with the inner side wall of the rectangular fixed frame, an installation plate is fixedly connected to the top of the damping unit, the installation plate is fixedly connected to the bottom of the bottom plate, and the damping unit comprises a plurality of parallelly arranged multidirectional damping blocks.

[0007] Preferably, the lower surface of the bottom plate is fixedly connected with circular truncated cone positioning blocks, and the upper surface of the mounting plate is provided with positioning grooves matched with the positioning blocks.

[0008] Preferably, the inner wall of the positioning groove is fixedly connected with a rubber shock pad, and the inner wall of the rubber shock pad is an anti-skid surface.

[0009] Preferably, the outer side wall of the rectangular fixed frame is fixedly connected with a reinforcing rib or a reinforcing plate, and the lower surface of the rectangular fixed frame is fixedly connected with an anti-skid rubber pad.

[0010] Preferably, the bottom of the rectangular fixed frame is threadedly connected with a limiting screw rod.

[0011] Preferably, the multi-directional shock pad comprises an upper fixed plate, a plurality of arc-shaped shock plates are uniformly fixedly connected to the outer wall of the upper fixed plate in the circumferential direction, a lower fixed plate is fixedly connected to the lower end of the arc-shaped shock plate, a multi-directional elastic support rod is fixedly connected to the upper surface of the lower fixed plate, the multi-directional elastic support rod comprises a multi-surface block, vertical support rods are respectively fixedly connected to the upper and lower surfaces of the multi-surface block, a horizontal support rod is fixedly connected to the outer side wall of the multi-surface block, a buffer spring I is movably sleeved to the outer portion of the vertical support rod, a buffer spring II is movably sleeved to the outer portion of the horizontal support rod, the buffer spring I is a compression spring, the buffer spring II is a tensile spring, and a rubber buffer pad is fixedly connected to the outer wall of the middle portion of the arc-shaped shock plate.

[0012] Preferably, the arc of the arc-shaped shock plate is π / 36 rad to π / 4 rad.

[0013] Preferably, the arc-shaped shock plate is a spring steel plate covered with a rubber protective layer, and the vertical support rod and the horizontal support rod are hydraulic rods, pneumatic rods or damping rods.

[0014] Preferably, the outer wall of the rubber buffer pad is an anti-skid surface.

[0015] Preferably, the lower surface of the rectangular fixed frame is provided with a plurality of conical, triangular conical, square conical, hexagonal conical or octagonal conical anti-skid protrusions.

[0016] Beneficial effects

[0017] The utility model discloses a water turbine damping base, through setting up rubber shock pad and multidirectional shock pad to water turbine carries out double damping, and makes water turbine operation stable, through setting up rubber shock pad and positioning block, it is convenient to install water turbine stably on damping base, through setting up multidirectional shock pad, it is convenient to carry out damping to water turbine from multiple directions, makes water turbine operation stable, and multidirectional shock pad is polyhedral openwork structure simultaneously, it is convenient to reduce the weight of damping base, through setting up antiskid rubber pad and limit screw rod, it is convenient to fix on the ground with damping base stable, avoids the displacement of damping base, influences the work and the stability of structure of water turbine. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the side cross section structure schematic diagram in the utility model;

[0020] Figure 3 It is Figure 2 the enlarged view of A in

[0021] Figure 4 It is the structure schematic diagram of multidirectional shock pad in the utility model;

[0022] Figure 5 It is the structure schematic diagram of multidirectional elastic support rod in the utility model.

[0023] In the drawing: 1, water turbine;11, generator;12, motor support;13, bottom plate;14, check bolt;15, positioning block;2, damping base;21, rectangular fixed frame;22, mounting plate;23, multidirectional shock pad;24, antiskid rubber pad;25, limit screw rod;26, rubber buffer pad;221, positioning groove;222, rubber shock pad;231, upper fixed plate;232, arc damping plate;233, lower fixed plate;234, multidirectional elastic support rod;235, multifaceted block;236, vertical support rod;237, horizontal support rod;238, buffer spring I;239, buffer spring II. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0025] As Figures 1-5The utility model provides a technical scheme: a water turbine damping base, including water turbine 1 and damping base 2, the shell of water turbine 1 is fixedly connected with generator 11, the shell of water turbine 1 is welded with motor bracket 12, generator 11 is fixedly installed on motor bracket 12, the motor shaft of generator 11 is coaxially fixedly connected with the water wheel in water turbine 1, the bottom of water turbine 1 shell is fixedly connected with bottom plate 13, bottom plate 13 is fixedly installed on the top of damping base 2, and damping base 2 includes the upper opening rectangular fixed frame 21, is fixedly arranged with damping unit in rectangular fixed frame 21, the outer wall of damping unit is overlapped with the inner side wall of rectangular fixed frame 21, and the top of damping unit is fixedly connected with mounting plate 22, and mounting plate 22 is fixedly connected in the bottom of bottom plate 13 through lock bolt 14, and damping unit includes a plurality of parallelly arranged multidirectional damping block 23, and the outer side wall of rectangular fixed frame 21 is fixedly connected with reinforcing rib or reinforcing plate, and the lower surface of rectangular fixed frame 21 is fixedly connected with antiskid rubber pad 24, and the bottom of rectangular fixed frame 21 is fixedly connected with limiting screw rod 25.

[0026] Specifically, the lower surface of the bottom plate 13 is fixedly connected with a circular truncated cone positioning block 15 with a large upper surface and a small lower surface, and the upper surface of the mounting plate 22 is provided with a positioning groove 221 adapted to the positioning block 15. The inner wall of the positioning groove 221 is fixedly connected with a rubber damping pad 222, and the inner wall of the rubber damping pad 222 is a non-slip surface.

[0027] Specifically, the multi-directional shock-absorbing block 23 comprises an upper fixing plate 231, and a plurality of arc-shaped shock-absorbing plates 232 are uniformly and fixedly connected to the outer wall of the upper fixing plate 231 in the circumferential direction. In this embodiment, the number of the arc-shaped shock-absorbing plates 232 on each multi-directional shock-absorbing block 23 is four. The lower end of each arc-shaped shock-absorbing plate 232 is fixedly connected to the same lower fixing plate 233. The upper surface of the lower fixing plate 233 is fixedly connected to a multi-directional elastic support rod 234. The multi-directional elastic support rod 234 comprises a multi-surface block 235. The upper and lower surfaces of the multi-surface block 235 are respectively fixedly connected to vertical support rods 236. The upper end of the upper vertical support rod 236 and the lower end of the lower vertical support rod 236 are respectively connected to the lower surface of the upper fixing plate 231 and the upper surface of the lower fixing plate 233. The outer side wall of the multi-surface block 235 is respectively fixedly connected to horizontal support rods 237 corresponding to the direction of the arc-shaped shock-absorbing plates 232. The number of the horizontal support rods 237 corresponds to the number of the arc-shaped shock-absorbing plates 232. One end of the horizontal support rod 237 away from the multi-surface block 235 is connected to the inner wall of the arc-shaped shock-absorbing plate 232. The vertical support rod 236 is movably sleeved with a buffer spring I 238. The upper and lower ends of the upper buffer spring I 238 are respectively connected to the lower surface of the upper fixing plate 231 and the upper surface of the multi-surface block 235. The upper and lower ends of the lower buffer spring I 238 are respectively connected to the lower surface of the multi-surface block 235 and the upper surface of the lower fixing plate 233. The horizontal support rod 237 is movably sleeved with a buffer spring II 239. The two ends of the buffer spring II 239 are respectively connected to the outer side wall of the multi-surface block 235 and the inner wall of the arc-shaped shock-absorbing plate 232. The buffer spring I 238 is a compression spring, and the buffer spring II 239 is a stretching spring. The outer wall of the middle part of the arc-shaped shock-absorbing plate 232 is fixedly connected to a rubber buffer pad 26. The outer wall of the rubber buffer pad 26 is a non-slip surface.

[0028] Specifically, the arc of the arc-shaped shock-absorbing plate 232 is π / 36 rad to π / 4 rad. The arc-shaped shock-absorbing plate 232 is a spring steel plate covered with a rubber protective layer. The vertical support rod 236 and the horizontal support rod 237 are hydraulic rods, pneumatic rods, or damping rods.

[0029] The working process of this utility model is as follows: First, the shock-absorbing base 2 is fixedly installed on the bottom of the water turbine 1 using anti-loosening bolts 14. When the water turbine 1 is working, the rubber shock-absorbing pads 222 on the mounting plate 22 provide the first level of shock absorption for the water turbine 1, and the array of multi-directional shock-absorbing blocks 23 inside the shock-absorbing base 2 provides the second level of shock absorption for the water turbine 1. At the same time, the multi-directional shock-absorbing blocks 23 can absorb shock from the water turbine 1 in three dimensions (up and down, left and right, and front and back), so as to facilitate the stable operation of the water turbine 1. The water turbine shock-absorbing base of this utility model, by setting rubber shock-absorbing pads 222, provides the second level of shock absorption for the water turbine 1. Vibration damping pads and multi-directional damping blocks provide dual vibration damping for the turbine and ensure stable turbine operation. By setting rubber damping pads and positioning blocks, the turbine can be stably installed on the damping base. By setting multi-directional damping blocks, the turbine can be damped from multiple directions, ensuring stable turbine operation. At the same time, the multi-faceted hollow structure of the multi-directional damping blocks helps to reduce the weight of the damping base. By setting anti-slip rubber pads and limiting screws, the damping base can be stably fixed to the ground, preventing displacement of the damping base and affecting the operation of the turbine and the stability of the structure.

[0030] As an alternative, the lower surface of the rectangular fixing frame 21 is provided with multiple conical, triangular, square, hexagonal, or octagonal anti-slip protrusions.

Claims

1. A hydro-turbine damping foundation comprising a hydro-turbine (1) and a damping foundation (2), characterized in that: The outer shell of the water turbine (1) is fixedly connected with a generator (11), the motor shaft of the generator (11) is coaxially fixedly connected with a water wheel in the water turbine (1), the bottom of the outer shell of the water turbine (1) is fixedly connected with a bottom plate (13), the bottom plate (13) is fixedly installed on the top of a damping base (2), the damping base (2) comprises an upper-opened rectangular fixed frame (21), a damping unit is fixedly arranged in the rectangular fixed frame (21), the outer wall of the damping unit is lapped with the inner side wall of the rectangular fixed frame (21), the top of the damping unit is fixedly connected with a mounting plate (22), the mounting plate (22) is fixedly connected with the bottom of the bottom plate (13), and the damping unit comprises a plurality of parallelly arranged multidirectional damping blocks (23).

2. A hydro-turbine damping base according to claim 1, wherein: The lower surface of the bottom plate (13) is fixedly connected with a circular truncated cone positioning block (15), and the upper surface of the mounting plate (22) is provided with a positioning groove (221) matched with the positioning block (15).

3. A hydro-turbine damping base according to claim 2, wherein: The inner wall of the positioning groove (221) is fixedly connected with a rubber damping pad (222), and the inner wall of the rubber damping pad (222) is an anti-skid surface.

4. A hydro-turbine damping base according to claim 1, wherein: The outer side wall of the rectangular fixed frame (21) is fixedly connected with a reinforcing rib or a reinforcing plate, and the lower surface of the rectangular fixed frame (21) is fixedly connected with an anti-skid rubber pad (24).

5. A hydro-turbine damping base according to claim 1, wherein: The bottom of the rectangular fixed frame (21) is threadedly connected with a limiting screw rod (25).

6. A hydro-turbine damping base according to claim 1, wherein: The multidirectional damping block (23) comprises an upper fixed plate (231), a plurality of arc-shaped damping plates (232) are uniformly fixedly connected with the outer wall of the upper fixed plate (231) in the circumferential direction, the lower end of the arc-shaped damping plate (232) is fixedly connected with a lower fixed plate (233), the upper surface of the lower fixed plate (233) is fixedly connected with a multidirectional elastic supporting rod (234), the multidirectional elastic supporting rod (234) comprises a multifaceted block (235), the upper and lower surfaces of the multifaceted block (235) are respectively fixedly connected with vertical supporting rods (236), the outer side wall of the multifaceted block (235) is fixedly connected with a horizontal supporting rod (237), the outer portion of the vertical supporting rod (236) is movably sleeved with a buffer spring I (238), the outer portion of the horizontal supporting rod (237) is movably sleeved with a buffer spring II (239), the buffer spring I (238) is a compression spring, the buffer spring II (239) is a stretching spring, and the outer wall of the middle portion of the arc-shaped damping plate (232) is fixedly connected with a rubber buffer pad (26).

7. A hydro-turbine damping base according to claim 6, wherein: The radian of the arc-shaped damping plate (232) is π / 36 rad to π / 4 rad.

8. A hydro-turbine damping base according to claim 6, wherein: The arc-shaped damping plate (232) is a spring steel plate covered with a rubber protective layer, and the vertical supporting rod (236) and the horizontal supporting rod (237) are hydraulic rods, pneumatic rods or damping rods.

9. A hydro-turbine damping base according to claim 6, wherein: The outer wall of the rubber buffer pad (26) is an anti-skid surface.

10. A hydro-turbine shock mount according to claim 1, wherein: The lower surface of the rectangular fixed frame (21) is provided with a plurality of conical, triangular conical, square conical, hexagonal conical or octagonal conical anti-skid protrusions.

Images