CN210344775U - Damping device for hydroelectric generating set - Google Patents

Abstract

The utility model discloses a damping device for hydroelectric set, including base, shock-absorbing structure and heat radiation structure, the edge that is close to both sides is provided with two side boards in the upper end of base, the upper end surface of base is provided with the twice slide rail, the base is being close to positive upper surface intermediate position and is being provided with the controller, shock-absorbing structure includes four pneumatic cylinders, two mount pads and two splint, four the pneumatic cylinder is two liang for a set of respectively fixed mounting be close to lower extreme position in the side board of base upper surface both sides, and four the equal perpendicular to side board of pneumatic cylinder, and the inside of flexible end orientation and base, pneumatic cylinder and controller electric connection. The utility model discloses buffering shock attenuation is effectual, has avoided because of subtracting the effect and lead to hydroelectric set self damage not good enough, and the radiating effect is good simultaneously, has avoided leading to burnout hydroelectric set because of hydroelectric set self radiating effect is poor, causes the unnecessary loss.

Description

Damping device for hydroelectric generating set

Technical Field

The utility model relates to a hydraulic generator field specifically is a damping device for hydroelectric set.

Background

The hydraulic generator is a generator which takes a hydraulic turbine as a prime mover to convert water energy into electric energy, when water flows through the hydraulic turbine, the water energy is converted into mechanical energy, a rotating shaft of the hydraulic turbine drives a rotor of the generator to convert the mechanical energy into electric energy to be output, the hydraulic generator is a main power device for generating the electric energy in a hydropower station, when the hydraulic generator or the hydraulic generator set works, large vibration can be generated, and at the moment, a damping device is required to damp the hydraulic generator or the hydraulic generator set.

However, the conventional damper device has the following disadvantages:

1. the shock attenuation effect is not good enough, does not have sufficient buffering, and when hydroelectric set produced the vibration, the shock attenuation is stiff does not have the buffering and easily leads to hydroelectric set self's damage.

2. Hydroelectric set can produce great heat in the use, and its effect is far away not enough through hydroelectric set self heat dissipation, easily leads to hydroelectric set because of high temperature burns out, leads to the unnecessary loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damping device for hydroelectric set to solve traditional damping device shock attenuation effect not good enough, do not have sufficient buffering, when hydroelectric set produced the vibration, the shock attenuation is stiff does not have the buffering and easily leads to hydroelectric set self damage its effect of heat dissipation of hydroelectric set self simultaneously far away inadequately, easily leads to hydroelectric set because of high temperature burns out, leads to the problem of unnecessary loss.

In order to achieve the above object, the utility model provides a following technical scheme: a damping device for a hydroelectric generating set comprises a base, a damping structure and a heat dissipation structure, wherein two side panels are arranged at the edges close to two sides of the upper end of the base, two slide rails are arranged on the surface of the upper end of the base, a controller is arranged at the middle position of the upper surface close to the front of the base, the damping structure comprises four hydraulic cylinders, two mounting seats and two clamping plates, the four hydraulic cylinders are respectively and fixedly mounted at the positions, close to the lower ends, of the side panels at two sides of the upper surface of the base in a group of two hydraulic cylinders in pairs, the four hydraulic cylinders are perpendicular to the side panels, the telescopic ends face the inside of the base, the hydraulic cylinders are electrically connected with the controller, the two end positions at one side, far away from each other, of the two mounting seats are respectively and fixedly connected with the telescopic ends of the two hydraulic cylinders on the, two one side that splint kept away from each other is through one side fixed connection that a plurality of springs and two mount pads are close to each other, heat radiation structure includes two first radiator fan and four second radiator fan, two first radiator fan fixed mounting is in the base upper surface, and is located the both sides of controller respectively, four second radiator fan fixed mounting is in the position that one side that the side board is close to each other is close to the upper end, just first radiator fan and second radiator fan's wind direction all faces towards the inside of base.

Preferably, the horizontal position of the bottom end of the clamping plate is higher than the horizontal position of the upper end surface of the base.

Preferably, a plurality of longitudinal rubber strip cushion layers are arranged on the surfaces of the two clamping plates on the sides close to each other, and the thickness of each rubber strip cushion layer is 3-5 cm.

Preferably, the center positions of the air outlets of the two first cooling fans are right opposite to the contact position of the rubber strip cushion layer and the water turbine generator set.

Preferably, there is a certain included angle between the four second cooling fans and the side panel, and the air outlet directions of the second cooling fans face the position between the two clamping plates.

Preferably, the mounting seat and the clamping plate are close to one side of each other, and the mounting seat and the clamping plate are connected through telescopic connecting rods at positions close to four outer corners respectively.

The utility model provides a damping device for hydroelectric set possesses following beneficial effect:

(1) the utility model discloses a be provided with the pneumatic cylinder, a plurality of springs, the vertical rubber strip bed course on splint and splint surface, make when carrying out the shock attenuation to hydroelectric set, carry out buffering to a certain extent through the rubber strip bed course earlier, carry out further buffering shock attenuation to hydroelectric set by a plurality of spring fit splint again, when having improved damping device to hydroelectric set shock attenuation effect, also provided the buffering effect, avoided because of the shock attenuation effect is stiff, not good enough, and lead to hydroelectric set self's damage.

(2) The utility model discloses a be provided with first radiator fan and second radiator fan, and first radiator fan faces the intermediate position of rubber strip bed course on the splint and hydroelectric set contact, there is certain contained angle second radiator fan and side board installation, and the wind direction all faces in the hydroelectric set position between two splint, make can dispel the heat to hydroelectric set from the position direction of difference through two first radiator fans and four second radiator fans, avoided hydroelectric set to burn out because of the radiating effect of self far away inadequately, thereby lead to hydroelectric set because of the high temperature, cause the unnecessary loss.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a base; 2. a side panel; 3. a slide rail; 4. a controller; 5. a hydraulic cylinder; 6. a mounting seat; 7. a splint; 8. a pulley; 9. a spring; 10. a first heat dissipation fan; 11. a second heat dissipation fan; 12. a rubber strip cushion layer; 13. a telescopic connecting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a damping device for a water-turbine generator set comprises a base 1, a damping structure and a heat dissipation structure, wherein two side panels 2 are arranged at the edges close to two sides of the upper end of the base 1, two sliding rails 3 are arranged on the surface of the upper end of the base 1, a controller 4 is arranged at the middle position of the upper surface close to the front of the base 1, the damping structure comprises four hydraulic cylinders 5, two mounting seats 6 and two clamping plates 7, the four hydraulic cylinders 5 are respectively and fixedly arranged at the positions, close to the lower end, of the side panels 2 on two sides of the upper surface of the base 1 in a group, the four hydraulic cylinders 5 are all perpendicular to the side panels 2, the telescopic ends of the four hydraulic cylinders 5 face the inside of the base 1, the hydraulic cylinders 5 are electrically connected with the controller 4, the positions of two ends of one side, far away from each other, of the two mounting seats 6 are, the bottom of mount pad 6 is provided with pulley 8 and passes through the connecting piece with slide rail 3 and be connected, two one side that splint 7 kept away from each other is through one side fixed connection that a plurality of springs 9 and two mount pads 6 are close to each other, heat radiation structure includes two first radiator fan 10 and four second radiator fan 11, two first radiator fan 10 fixed mounting is in 1 upper surface of base, and is located the both sides of controller 4 respectively, four second radiator fan 11 fixed mounting is in the position that one side that side panel 2 is close to each other is close to the upper end, just first radiator fan 10 and second radiator fan 11's wind direction all faces towards the inside of base 1.

The horizontal position of the bottom end of the clamping plate 7 is higher than the horizontal position of the upper end surface of the base 1, so that the clamping plate 7 is prevented from being interfered with the upper end surface of the base 1 due to friction, and the clamping and fixing of the clamping plate 7 on the hydraulic generator and subsequent damping work are prevented from being influenced; the surfaces of the two clamping plates 7, which are close to each other, are provided with a plurality of longitudinal rubber strip cushion layers 12, and the thickness of each rubber strip cushion layer 12 is 3-5cm, so that preliminary buffering and shock absorption can be performed on the hydraulic generator set when the hydraulic generator set vibrates through the rubber strip cushion layers 12; the central positions of the air outlets of the two first cooling fans 10 are right opposite to the contact positions of the rubber strip cushion layer 12 and the hydraulic generator set, so that the two first cooling fans 10 can cool the contact positions of the two side surfaces of the hydraulic generator set and the rubber strip cushion layer 12; a certain included angle is formed between each of the four second cooling fans 11 and the side panel 2, and the air outlet directions of the second cooling fans 11 face the position between the two clamping plates 7, so that the four second cooling fans 11 can perform blowing and cooling work on two side surfaces and part of the upper end surface of the water-turbine generator set; one side that is close to each other between mount pad 6 and the splint 7, and connect through flexible connecting rod 13 in the position that both are close to four external angle departments respectively, further strengthened being connected between splint 7 and mount pad 6, avoided leading to splint 7 to damage because of the vibration is too big.

The working principle is as follows: when vibration damping work is carried out during the operation of the hydraulic generator set, the hydraulic generator set is placed between two clamp plates 7 on the upper end surface of a base 1, the position of the hydraulic generator set is adjusted, four hydraulic cylinders 5 are started through manually operating a controller 4, so that the hydraulic cylinders 5 extend, a mounting seat 6 is driven to move through a pulley 8 at the bottom and a slide rail 3 on the upper end surface of the base 1, so that the clamp plates 7 are driven to move until rubber strip cushion layers 12 on the two clamp plates 7 are contacted with two side surfaces of the hydraulic generator set, small-distance extension is further carried out, so that the two clamp plates 7 can effectively clamp and fix the hydraulic generator set through the rubber strip cushion layers 12, then the hydraulic generator set is started to work, meanwhile, a first cooling fan 10 and a second cooling fan 11 are started, when the hydraulic generator set works to generate vibration, can tentatively cushion and shock attenuation work to hydraulic generator through rubber strip bed course 12, when hydraulic generator set produced great vibration, accessible rubber strip bed course 12 cooperatees with a plurality of springs 9 between splint 7 and the mount pad 6, carry out more effectual buffering shock attenuation work to hydraulic generator, when having avoided producing stronger vibration at hydraulic generator set, the shock attenuation is stiff and hard and does not have the buffering and lead to hydraulic generator set self's damage, and simultaneously, two first radiator fan 10 and four second radiator fan 11, fan heat dissipation work of blowing that lasts is carried out side and part upper end surface to hydraulic generator, avoided hydraulic generator set to burn out far away inadequately because of the radiating effect of self, thereby lead to hydraulic generator set to burn out because of the high temperature, then lead to appearing the unnecessary loss.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a damping device for hydroelectric set, includes base (1), shock-absorbing structure and heat radiation structure, its characterized in that: the shock absorption structure comprises four hydraulic cylinders (5), two mounting seats (6) and two clamping plates (7), wherein the four hydraulic cylinders (5) are in a group in pairs and are respectively fixedly mounted at the positions, close to the lower end, of the side panels (2) at the two sides of the upper surface of the base (1), the four hydraulic cylinders (5) are perpendicular to the side panels (2), the telescopic ends face the inside of the base (1), the hydraulic cylinders (5) are electrically connected with the controller (4), the two ends of one side, far away from each other, of the two mounting seats (6) are respectively fixedly connected with the telescopic ends of the two hydraulic cylinders (5) on the two side panels (2), the bottom of mount pad (6) is provided with pulley (8) and is connected, two through the connecting piece with slide rail (3) one side fixed connection that one side that splint (7) kept away from each other is close to each other through a plurality of springs (9) and two mount pads (6), heat radiation structure includes two first radiator fan (10) and four second radiator fan (11), two first radiator fan (10) fixed mounting is in base (1) upper surface, and is located the both sides of controller (4) respectively, four second radiator fan (11) fixed mounting is close to the position of upper end in the one side that side board (2) are close to each other, just the wind direction of first radiator fan (10) and second radiator fan (11) all moves towards the inside in base (1).

2. The damping device for the hydroelectric generating set according to claim 1, wherein: the horizontal position of the bottom end of the clamping plate (7) is higher than the horizontal position of the upper end surface of the base (1).

3. The damping device for the hydroelectric generating set according to claim 1, wherein: the surfaces of the two clamping plates (7) on one sides close to each other are provided with a plurality of longitudinal rubber strip cushion layers (12), and the thickness of each rubber strip cushion layer (12) is 3-5 cm.

4. The damping device for the hydroelectric generating set according to claim 1, wherein: the center positions of the air outlets of the two first cooling fans (10) are right opposite to the contact position of the rubber strip cushion layer (12) and the water turbine generator set.

5. The damping device for the hydroelectric generating set according to claim 1, wherein: and a certain included angle is formed between each of the four second cooling fans (11) and the side panel (2), and the air outlet directions of the second cooling fans (11) face to the position between the two clamping plates (7).

6. The damping device for the hydroelectric generating set according to claim 1, wherein: the mounting seat (6) and the clamping plate (7) are close to each other at one side, and the mounting seat and the clamping plate are connected through telescopic connecting rods (13) at positions close to four outer corners respectively.

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