CN219685381U

CN219685381U - Dismounting structure of water turbine

Info

Publication number: CN219685381U
Application number: CN202320347178.8U
Authority: CN
Inventors: 陈岳春; 罗建生; 张春雄; 吕鸿
Original assignee: Yunnan Datang International Lixian River Basin Hydropower Development Co ltd
Current assignee: Yunnan Datang International Lixian River Basin Hydropower Development Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-09-15
Anticipated expiration: 2033-03-01

Abstract

The utility model provides a disassembly and assembly structure of a water turbine, which relates to the technical field of disassembly and assembly of water turbines and comprises a disassembly and assembly machine base, wherein a positioning rod is fixedly arranged at the corner of the disassembly and assembly machine base, the top of the positioning rod is rotationally connected with a movable platform, the inside of the movable platform is fixedly connected with a supporting frame, a reinforcing supporting rod is fixedly arranged in the supporting frame, and the bottom of the movable platform is rotationally connected with a supporting frame. According to the utility model, the supporting frame is supported by the movable platform, the rotating circle center of the movable platform is determined by the positioning rod, so that the movable platform can rotate around the positioning rod, the purpose of driving the supporting frame to move is achieved, the specific moving route is limited by the arc tooth grooves, the stability in moving can be ensured, the mode can replace a crane to move the parts required to be detached or installed, the operation by a single person or a few persons is facilitated, and the disassembly and assembly cost can be saved.

Description

Dismounting structure of water turbine

Technical Field

The utility model relates to the field of water turbine disassembly and assembly, in particular to a disassembly and assembly structure of a water turbine.

Background

The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery.

In the prior art, for example, the Chinese patent number is: the utility model provides a "hydraulic turbine draft tube maintenance little door dismouting device" of CN213598111U, includes supporting part and fixed part, and wherein supporting part includes jack and hydraulic pump, and fixed part includes steel sheet baffle and scooter, and the steel sheet baffle passes through the jack to be installed on the scooter, and wherein the jack is connected with the hydraulic pump, and the hydraulic pump is installed on the scooter. The dismounting tool provided by the utility model can solve the problems of unsafe transportation and low working efficiency caused by narrow space in the dismounting process of the small maintenance door of the draft tube of the water turbine.

However, in the prior art, when the dismounting device is used, the components to be dismounted or mounted are required to be removed from the water turbine or to be abutted, the components are generally lifted away from or close to the water turbine to be operated by a crane when the components are moved in the prior art, a plurality of personnel are required to cooperate to operate the components, an additional crane and other lifting tools are required to be used, the dismounting cost is easy to rise, personnel are easy to contact with the crane, the lifting appliance or each component in the operation process, and the danger coefficient is relatively high.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a component to be disassembled or installed needs to be removed from a water turbine or is in butt joint when the disassembly and assembly device is used, the component is generally lifted away from or is lifted close to the water turbine to be operated by a crane when the component is moved at present, a plurality of personnel are needed to cooperate to operate the component, an additional crane and other lifting tools are needed to be used, the disassembly and assembly cost is easy to increase, and personnel are easy to contact with the crane, the lifting tool or each component in the operation process, and the danger coefficient is relatively high.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the dismounting structure of the water turbine comprises a dismounting machine base, wherein a positioning rod is fixedly arranged at the corner of the dismounting machine base, and the top of the positioning rod is rotationally connected with a movable platform;

the inside fixedly connected with braced frame of movable platform, braced frame's inside fixed mounting has reinforcement branch, movable platform's bottom rotates and is connected with the support frame, the bottom movable mounting of support frame has the supporting wheel, movable platform's inside fixed mounting has first driving motor, the one end meshing of first driving motor is connected with the drive belt, the meshing is connected with the butt joint gear on the inner wall of drive belt, the top rotation of butt joint gear is connected with fixed platform, the bottom of butt joint gear is fixed with the extension bull stick.

Preferably, the inside of dismouting machine base has seted up the arc tooth's socket, extend the one end meshing of bull stick and connect in the inside that extends the bull stick.

Preferably, the inside of braced frame is fixed mounting has reinforcement branch, braced frame's bottom fixed mounting has the separate piece.

Preferably, the bottom of the separation block is fixedly connected with the top of the fixed platform, and the inside of the separation block is rotationally connected with a center rotating rod.

Preferably, a second driving motor is fixedly arranged on one side of the supporting frame, a driving belt is movably arranged at one end of the second driving motor, and a driving rod is connected with the other end of the driving assembly in a meshed mode.

Preferably, one end of the transmission rod is fixedly connected with a semi-arc inner frame, and the inner wall of the semi-arc inner frame is fixedly connected with a supporting table.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the supporting frame is supported by the movable platform, the rotating circle center of the movable platform is determined by the positioning rod, so that the movable platform can rotate around the positioning rod, the purpose of driving the supporting frame to move is achieved, the specific moving route is limited by the arc tooth grooves, the stability in moving can be ensured, the crane can be replaced to move the parts to be detached or installed, the operation by a single person or a few persons is facilitated, and the disassembly and assembly cost can be saved.

2. According to the utility model, the second driving motor is matched with the driving belt to directly drive the transmission rod to rotate, so that the purpose of driving the semi-arc inner frame to rotate by taking the transmission rod as the circle center is achieved, the supporting table is in an inclined state after rotation, at the moment, the component positioned on the supporting table can slide to the side surface of the whole device, and the moving speed of the component is accelerated.

Drawings

Fig. 1 is a schematic perspective view of a disassembly and assembly structure of a hydraulic turbine according to the present utility model;

fig. 2 is a schematic view of the bottom structure of a support frame of a water turbine assembly and disassembly structure according to the present utility model;

FIG. 3 is a schematic diagram showing a connection structure between a semi-arc inner frame and a supporting table of a disassembly and assembly structure of a hydraulic turbine according to the present utility model;

fig. 4 is a schematic diagram showing a connection structure between a movable platform and a base of a disassembling and assembling machine of a hydraulic turbine according to the present utility model.

Legend description:

1. a base of the dismounting machine; 2. a positioning rod; 3. a movable platform; 4. arc tooth slots; 5. a support frame; 6. reinforcing the support rod; 7. a separation block; 8. a center rotating rod; 9. a support frame; 10. a second drive motor; 11. a transmission rod; 12. a semi-arc inner frame; 13. a support table; 14. a first drive motor; 15. a transmission belt; 16. a docking gear; 17. a fixed platform; 18. and (5) extending the rotating rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

The embodiment 1, as shown in fig. 1, 2 and 4, the utility model provides a dismounting structure of a water turbine, which comprises a dismounting machine base 1, wherein a positioning rod 2 is fixedly arranged at the corner of the dismounting machine base 1, the top of the positioning rod 2 is rotationally connected with a movable platform 3, the inside of the movable platform 3 is fixedly connected with a supporting frame 5, the inside of the supporting frame 5 is fixedly provided with a reinforcing strut 6, the bottom of the movable platform 3 is rotationally connected with a supporting frame 9, the bottom of the supporting frame 9 is movably provided with a supporting wheel, the inside of the movable platform 3 is fixedly provided with a first driving motor 14, one end of the first driving motor 14 is in meshed connection with a driving belt 15, the inner wall of the driving belt 15 is in meshed connection with a butting gear 16, the top of the butting gear 16 is rotationally connected with a fixed platform 17, the bottom of the butting gear 16 is fixedly provided with an extension rotating rod 18, the inside of the dismounting machine base 1 is provided with an arc-shaped tooth slot 4, and one end of the extension rotating rod 18 is in meshed connection with the inside of the extension rotating rod 18.

The specific arrangement and function of the present embodiment will be specifically described below: the supporting frame 5 is used for containing components which are detached or required to be installed, the supporting frame 5 is installed in the middle of the movable platform 3, in the operation process, the first driving motor 14 drives the docking gear 16 to rotate through the driving belt, the extension rotating rod 18 rotates in the arc-shaped tooth groove 4 through the docking gear 16, the whole movable platform 3 can move along the direction of the arc-shaped tooth groove 4 by utilizing the friction force between the arc-shaped tooth groove 4 and the extension rotating rod 18, the crane is replaced to move the components which are required to be detached or installed, a single person or a small number of people can operate, the disassembly cost can be saved, the movable platform 3 is contacted with the base 1 of the disassembly machine through the supporting frame 9 at the bottom, the friction force between the movable platform 3 and the base 1 of the disassembly machine can be reduced due to the existence of the supporting wheels, and in the process that the movable platform 3 moves along the arc-shaped tooth groove 4, the positioning rod 2 can assist in determining the circle center of the moving route of the movable platform 3, and the situation of wrong direction is avoided.

Embodiment 2, as shown in fig. 2, 3 and 4, reinforcing struts 6 are fixedly installed in the supporting frame 5, a separation block 7 is fixedly installed at the bottom of the supporting frame 5, the bottom of the separation block 7 is fixedly connected with the top of a fixed platform 17, a center rotating rod 8 is rotatably connected in the separation block 7, a second driving motor 10 is fixedly installed on one side of the supporting frame 5, a driving belt is movably installed at one end of the second driving motor 10, a driving rod 11 is connected with the other end of the driving assembly in a meshed mode, a semi-arc inner frame 12 is fixedly connected with one end of the driving rod 11, and a supporting table 13 is fixedly connected on the inner wall of the semi-arc inner frame 12.

The effect that its whole embodiment reached is, the braced gear 16 is fixed through the center bull stick 8 in the spacer block 7 to braced frame 5, guarantee the structural stability of butting gear 16, avoid causing the influence to braced frame 5, and when dismouting spare part, the part is mainly placed on brace table 13, when rotating movable platform 3 to the opening part of arc tooth's socket 4, second driving motor 10 begins the operation, drive transfer line 11 through the driving belt and rotate, make the semi-arc inside casing 12 of transfer line 11 other end rotate with transfer line 11 as the centre of a circle, the brace table 13 after the rotation can be in a tilt state, the part that lies in on brace table 13 just can the side of device this moment.

The application method and the working principle of the device are as follows: when the movable platform is used, components are mainly placed on the supporting platform 13, the supporting platform 13 is connected with the supporting frame 5 through the semi-arc inner frame 12 and the transmission rod 11 and is controlled by the second driving motor 10, in the operation process, the first driving motor 14 drives the docking gear 16 to rotate through the transmission belt, the extension rotating rod 18 rotates in the arc-shaped tooth groove 4 through the docking gear 16, the whole movable platform 3 can move along the direction of the arc-shaped tooth groove 4 by utilizing friction force between the arc-shaped tooth groove 4 and the extension rotating rod 18 to replace a crane to move the components required to be detached or installed, the positioning rod 2 can assist in determining the circle center of the moving route of the movable platform 3 in the whole process, when the movable platform 3 rotates to the opening of the arc-shaped tooth groove 4, the second driving motor 10 starts to operate, the transmission rod 11 is driven to rotate through the transmission belt, the semi-arc-shaped inner frame 12 at the other end of the transmission rod 11 rotates by taking the transmission rod 11 as the circle center, and the rotated supporting platform 13 can be in an inclined state, and the components located on the supporting platform 13 can slide to the side of the device at the moment.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a dismouting structure of hydraulic turbine which characterized in that: the detachable positioning device comprises a detachable machine base (1), wherein a positioning rod (2) is fixedly arranged at the corner of the detachable machine base (1), and the top of the positioning rod (2) is rotatably connected with a movable platform (3);

the inside fixedly connected with braced frame (5) of movable platform (3), the inside fixed mounting of braced frame (5) has reinforcement branch (6), the bottom of movable platform (3) rotates and is connected with support frame (9), the bottom movable mounting of support frame (9) has the supporting wheel, the inside fixed mounting of movable platform (3) has first driving motor (14), the one end meshing of first driving motor (14) is connected with drive belt (15), the meshing is connected with docking gear (16) on the inner wall of drive belt (15), the top rotation of docking gear (16) is connected with fixed platform (17), the bottom of docking gear (16) is fixed with and extends bull stick (18).

2. The water turbine disassembly and assembly structure according to claim 1, wherein: the inside of dismouting machine base (1) has seted up arc tooth's socket (4), the one end meshing of extension bull stick (18) is connected in the inside of extension bull stick (18).

3. The water turbine disassembly and assembly structure according to claim 1, wherein: the inside of braced frame (5) is fixed mounting has reinforcement branch (6), the bottom fixed mounting of braced frame (5) has separate piece (7).

4. A water turbine disassembly and assembly structure according to claim 3, wherein: the bottom of the separation block (7) is fixedly connected with the top of the fixed platform (17), and a center rotating rod (8) is rotatably connected inside the separation block (7).

5. The water turbine disassembly and assembly structure according to claim 1, wherein: one side of the supporting frame (5) is fixedly provided with a second driving motor (10), one end of the second driving motor (10) is movably provided with a driving belt, and the other end of the driving assembly is connected with a driving rod (11) in a meshed manner.

6. The water turbine disassembly and assembly structure according to claim 5, wherein: one end of the transmission rod (11) is fixedly connected with a semi-arc inner frame (12), and a supporting table (13) is fixedly connected to the inner wall of the semi-arc inner frame (12).