CN207636239U - A static balancing device for rotating parts of a hydroelectric unit - Google Patents

Abstract

The utility model discloses a kind of hydroelectric generating set rotor static balancing apparatus, including ontology, body bottom portion is equipped with pedestal, pedestal top center is equipped with several first mounting grooves and the second mounting groove, bearing is equipped with above pedestal, rest base is equipped with several installing mechanisms, first sliding part is contacted with the first mounting groove inner wall, high-pressure oil feed case is equipped at the top of pedestal, bearing side is arranged with fixing piece, holder top is equipped with mounting bracket, recessed sphere is equipped at the top of mounting bracket, oil-circuit converter is equipped on the outside of recessed sphere, matching is equipped with convex sphere at the top of recessed sphere, oil-circuit converter bottom is equipped with petroleum pipeline, petroleum pipeline one end is equipped with clasp, petroleum pipeline is equipped with separator in clasp side, carrier exterior is equipped with rotating member, supporting plate is equipped at the top of rotating member, rotating member is arranged with sliding rail, supporting plate both ends bottom is equipped with sliding equipment.The utility model is designed reasonably, easy to operate, static balance effect is good, and installation and adjustment are convenient, and repair is easy to change.

Description

A static balancing device for rotating parts of a hydroelectric unit

technical field

The utility model relates to the technical field of static balancing equipment, in particular to a static balancing device for a rotating part of a hydroelectric unit.

Background technique

The existing spherical static pressure balance device of the rotating part of the hydroelectric unit must use the square box under the runner and the jack device to hold up and level the runner according to the calculated height in advance according to the sensitivity requirements, so that the convex and concave spherical surfaces The gap is balanced, the pressure oil film is established, and then the sensitivity test and calculation are carried out. If the sensitivity is qualified, the static balance can be carried out. Otherwise, the rotating parts must be lifted again to adjust the height of the gasket.

In the existing application number 201220316930.4, a static balance device for rotating parts of hydroelectric units is proposed, mainly through the use of high-pressure oil jacking, spherical static pressure support principles, and the application of mechanical, hydraulic and other automatic control technologies to provide a bearing It is a high-precision static balancing device with large capacity, small frictional resistance, stable operation, and easy adjustment. However, it is troublesome to install and disassemble the device, and it is inconvenient to maintain and replace.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a static balance device for the rotating part of the hydroelectric unit.

In order to achieve the above object, the utility model adopts the following technical solutions:

A static balancing device for a rotating part of a hydroelectric unit, comprising a body, a base is provided at the bottom of the body, and a plurality of first installation grooves are arranged at the center of the top of the base, and the top of the base is located between two sides of the first installation grooves. A second installation groove is provided symmetrically on the side, a support is provided above the base, and several installation mechanisms matching the first installation groove are provided at the bottom of the support, and the installation mechanism includes a shock absorbing plate, The top of the shock absorbing plate is connected to the bottom of the support, the bottom of the shock absorbing plate is provided with a fixed block, the top of the fixed block is connected to the bottom of the shock absorbing plate, and each side of the bottom of the fixed block is provided with a The first sliding part, the first sliding part is in contact with the inner wall of the first installation groove, a dial gauge is provided on the bottom side of the support, and a high pressure supply is provided on the top of the base on the side of the support. For the fuel tank, the side of the support is symmetrically provided with a fixing piece matching the second installation groove, the top of the base is provided with fixing bolts matching the fixing piece, and the top of the support is provided with a mounting bracket , the top of the installation frame is provided with a concave sphere, the outside of the concave sphere is provided with an oil circuit converter, the top of the concave sphere is matched with a convex sphere, the side of the high-pressure fuel supply tank is provided with an oil delivery port, the oil An oil delivery pipe is provided at the bottom of the road converter, one end of the oil delivery pipe is connected to the oil circuit converter, and the other end of the oil delivery pipe runs through the support and extends to the bottom side of the support. fastening piece, the oil delivery pipe is provided with a spacer on one side of the fastening piece, a rotating piece is provided outside the support, a support plate is provided on the top of the rotating piece, and the center of the bottom of the support plate is connected to the Convex sphere connection, the rotating part is symmetrically provided with slide rails under the two ends of the support plate, and a sliding mechanism matching the slide rails is symmetrically provided at the bottom of the two ends of the support plate, and the sliding mechanism includes a shock absorber The bottom of the damping spring is provided with a connecting block, and the bottom and side of the connecting block are provided with second sliding parts.

Preferably, the first sliding member includes a spring, one end of the spring is connected to the fixed block, the other end of the spring is provided with a ball, the ball contacts the inner wall of the first installation groove, and the second sliding The member has the same structure as the first sliding member.

Preferably, at least two of the first installation grooves are provided, and the two first installation grooves are symmetrically arranged at the center of the top of the base.

Preferably, the fastener includes a rotating sleeve, and a locking buckle is matched in the rotating sleeve.

Preferably, the spacer includes a spacer, and slideways are symmetrically provided on both sides of the spacer, and two splints are matched on the slideway, and the two splints are respectively arranged on both sides of the spacer. The spacer is provided with a rotating rod on the outer wall of the oil delivery pipe, one end of the rotating rod is provided with a connecting rod, and two ends of the connecting rod are respectively provided with a connecting block, and one end of the connecting block is connected with the splint.

The beneficial effects of the utility model are:

1. By installing the installation mechanism of the support in the first installation groove, place the fixing part in the second installation groove, and fix the support by fixing bolts;

2. Connect the oil delivery pipe and the high-pressure oil supply tank through fastening parts. When disassembling and replacing, you only need to open the isolation part to replace it;

3. The static balance effect of the rotating parts can be enhanced by symmetrically setting sliding mechanisms matching the slide rails at the bottoms of both ends of the support plate.

The utility model has the advantages of reasonable design, simple operation, good static balance effect, convenient installation and adjustment, and convenient maintenance and replacement.

Description of drawings

Fig. 1 is a structural schematic diagram of a static balancing device for a rotating part of a hydroelectric unit proposed by the utility model;

Fig. 2 is a structural schematic diagram of the installation mechanism of a static balancing device for a rotating part of a hydroelectric unit proposed by the utility model;

Fig. 3 is an enlarged view at A of a static balancing device for a rotating part of a hydroelectric unit proposed by the utility model.

In the figure: 1 body, 2 base, 3 first installation groove, 4 second installation groove, 5 support, 6 installation mechanism, 7 damping plate, 8 fixed block, 9 first sliding part, 10 dial indicator, 11 High-pressure oil supply tank, 12 Fixing piece, 13 Fixing bolt, 14 Mounting frame, 15 Concave sphere, 16 Oil circuit converter, 17 Convex sphere, 18 Oil delivery port, 19 Oil delivery pipe, 20 Fastening piece, 21 Isolation piece, 22 Rotation Parts, 23 bracket plates, 24 slide rails, 25 sliding mechanisms, 26 damping springs, 27 connecting blocks, 28 second sliding parts.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a static balancing device for rotating parts of a hydroelectric unit includes a body 1, a base 2 is provided at the bottom of the body 1, and several first installation grooves 3 are provided at the center of the top of the base 2. The top of the base 2 is symmetrically provided with a second installation groove 4 on both sides of the first installation groove 3, a support 5 is provided above the base 2, and a plurality of mounting grooves are arranged at the bottom of the support 5 to match the first installation groove 3. The installation mechanism 6 matched with the installation groove 3, the installation mechanism 6 includes a shock absorber 7, the top of the shock absorber 7 is connected to the bottom of the support 5, and the bottom of the shock absorber 7 is provided with a fixed block 8, The top of the fixed block 8 is connected to the bottom of the shock absorbing plate 7, and a first slider 9 is respectively provided on both sides of the bottom of the fixed block 8, and the first slider 9 is connected to the inner wall of the first installation groove 3. Contact, the bottom side of the support 5 is provided with a dial gauge 10, the top of the base 2 is provided with a high-pressure oil supply tank 11 on the side of the support 5, and the side of the support 5 is symmetrically arranged with the The fixing part 12 that the second mounting groove 4 matches, the top of the base 2 is provided with the fixing bolt 13 matching with the fixing part 12, and the top of the support 5 is provided with a mounting frame 14, and the mounting frame 14 The top is provided with a concave sphere 15, the outer side of the concave sphere 15 is provided with an oil circuit converter 16, the top of the concave sphere 15 is matched with a convex sphere 17, and the side of the high-pressure fuel supply tank 11 is provided with an oil delivery port 18, so An oil delivery pipe 19 is provided at the bottom of the oil circuit converter 16, one end of the oil delivery pipe 19 is connected to the oil circuit converter 16, and the other end of the oil delivery pipe 19 runs through the support 5 and extends to one side of the bottom of the support 5. There is a fastening piece 20 matched with the oil delivery port 18, the oil delivery pipe 19 is provided with a spacer 21 on one side of the fastening piece 20, and a rotating piece 22 is provided outside the support 5, and the rotating piece 22 Part 22 top is provided with support plate 23, and the bottom center of described support plate 23 is connected with described convex sphere 17, and described rotating member 22 is provided with slide rail 24 symmetrically below described support plate 23 two ends, and described support plate 23 The bottoms of both ends are symmetrically provided with a sliding mechanism 25 matched with the slide rail 24, the sliding mechanism 25 includes a damping spring 26, and the bottom of the damping spring 26 is provided with a connecting block 27, and the bottom of the connecting block 27 and Both sides are provided with second sliding parts 28 .

In this embodiment, the first sliding member 9 includes a spring, one end of the spring is connected to the fixed block 8, and the other end of the spring is provided with a ball, and the ball is in contact with the inner wall of the first installation groove 3, The second slider 28 has the same structure as the first slider 9, at least two of the first installation grooves 3 are provided, and the two first installation grooves 3 are symmetrically arranged on the base 2 In the center of the top, the fastening member 20 includes a rotating sleeve, and a lock buckle is matched in the rotating sleeve, and the spacer 21 includes an isolation plate, and slideways are symmetrically provided on both sides of the isolation plate, and the matching Two splints are provided, and the two splints are arranged on both sides of the isolation plate respectively. The spacer 21 is provided with a rotating rod on the outer wall of the oil delivery pipe 19, and a connecting rod is arranged at one end of the rotating rod. A connection block is provided at both ends of the connecting rod, and one end of the connection block is connected with the splint.

In this embodiment, during installation, the mounting mechanism 6 of the support 5 is installed in the first installation groove 3, the fixing member 12 is placed in the second installation groove 4, and the support 5 is fixed by the fixing bolt 13 The oil delivery pipe 19 is connected to the high-pressure oil supply tank 11 through the fastening piece 20. When disassembling and replacing, only the spacer 21 is opened to replace it; The matching sliding mechanism 25 can strengthen the static balance effect of the rotating member 22 .

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A static balancing device for rotating parts of a hydroelectric unit, comprising a body (1), characterized in that a base (2) is provided at the bottom of the body (1), and several The first installation groove (3), the top of the base (2) is symmetrically provided with the second installation groove (4) on both sides of the first installation groove (3), and the top of the base (2) is provided with a support seat (5), the bottom of the support (5) is provided with several installation mechanisms (6) matching the first installation groove (3), and the installation mechanism (6) includes a shock absorbing plate (7) , the top of the damping plate (7) is connected to the bottom of the support (5), the bottom of the damping plate (7) is provided with a fixed block (8), and the top of the fixed block (8) is connected to the bottom of the damping plate (5). The bottom of the vibration plate (7) is connected, and a first slider (9) is provided on both sides of the bottom of the fixed block (8), and the first slider (9) is connected to the inner wall of the first installation groove (3). contact, the bottom side of the support (5) is provided with a dial gauge (10), and the top of the base (2) is provided with a high-pressure oil supply tank (11) on the side of the support (5). The side of the support (5) is symmetrically provided with a fixing piece (12) matching the second installation groove (4), and the top of the base (2) is provided with a fixing piece matching the fixing piece (12). Bolt (13), the top of the support (5) is provided with a mounting frame (14), the top of the mounting frame (14) is provided with a concave ball (15), and the outer side of the concave ball (15) is provided with an oil circuit conversion device (16), the top of the concave sphere (15) is matched with a convex sphere (17), the side of the high-pressure oil supply tank (11) is provided with an oil delivery port (18), and the oil circuit converter (16) An oil delivery pipe (19) is provided at the bottom, one end of the oil delivery pipe (19) is connected to the oil circuit converter (16), and the other end of the oil delivery pipe (19) extends through the support (5) to the support ( 5) A fastening piece (20) matching the oil delivery port (18) is provided on the bottom side, and a spacer (21) is provided on the side of the fastening piece (20) of the oil delivery pipe (19) , the outside of the support (5) is provided with a rotating part (22), the top of the rotating part (22) is provided with a bracket plate (23), and the center of the bottom of the bracket plate (23) is in contact with the convex sphere (17) connected, the rotating member (22) is symmetrically provided with slide rails (24) below the two ends of the support plate (23), and the bottom of the two ends of the support plate (23) is symmetrically provided with the slide rails (24) Matching sliding mechanism (25), described sliding mechanism (25) comprises damping spring (26), and described damping spring (26) bottom is provided with connection block (27), and described connection block (27) bottom and The side surfaces are all provided with second sliding pieces (28). 2. A static balancing device for a rotating part of a hydroelectric unit according to claim 1, wherein the first sliding part (9) includes a spring, and one end of the spring is connected to the fixed block (8), so that The other end of the spring is provided with a ball, the ball is in contact with the inner wall of the first installation groove (3), and the second sliding part (28) has the same structure as the first sliding part (9). 3. A static balancing device for a rotating part of a hydroelectric unit according to claim 1, characterized in that at least two of the first installation grooves (3) are provided, and two of the first installation grooves (3) ) are arranged symmetrically at the center of the top of the base (2). 4. A static balancing device for a rotating part of a hydroelectric unit according to claim 1, characterized in that the fastening member (20) comprises a rotating sleeve, and a locking buckle is matched in the rotating sleeve. 5. A static balancing device for a rotating part of a hydroelectric unit according to claim 1, wherein the spacer (21) comprises a spacer plate, and slideways are symmetrically arranged on both sides of the spacer plate, and on the slideway Two splints are provided for matching, and the two splints are respectively arranged on both sides of the separation plate, and the spacer (21) is provided with a rotating rod on the outer wall of the oil delivery pipe (19), and one end of the rotating rod is provided with A connecting rod is provided with a connecting block at both ends of the connecting rod, and one end of the connecting block is connected with the splint.