CN220218282U

CN220218282U - Horizontal hydraulic turbine installs and removes instrument

Info

Publication number: CN220218282U
Application number: CN202321587023.8U
Authority: CN
Inventors: 张鹏; 黄贵斌; 王育才
Original assignee: Chongqing Water Turbine Works Co Ltd
Current assignee: Chongqing Water Turbine Works Co Ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-22
Anticipated expiration: 2033-06-21

Abstract

The utility model relates to the technical field of water turbine installation and discloses a horizontal water turbine installing and detaching tool which comprises a supporting rod and a guide rod, wherein one end of the guide rod is detachably connected to a main shaft, and the other end of the guide rod is supported by the supporting rod.

Description

Horizontal hydraulic turbine installs and removes instrument

Technical Field

The utility model relates to the technical field of water turbine installation, in particular to a horizontal water turbine assembling and disassembling tool.

Background

The mixed flow horizontal water turbine is one common hydroelectric power generating equipment and has mainly the structure of rotating wheel, water guiding mechanism, draft tube, etc. When the water turbine is installed, overhauled and maintained, the crane is generally directly adopted for lifting and disassembling, and the assembling and disassembling process is troublesome in operation and difficult to position, so that a special tool is needed to assemble and disassemble the water turbine.

Chinese patent document CN107511793a discloses a mixed flow horizontal water turbine assembly and disassembly tools, including main shaft, runner, still include the pull rod, the cover is equipped with the bush on the pull rod, fixedly connected with ring flange on the bush, and the ring flange can dismantle with the runner and be connected, and the pull rod sets up with the main shaft is coaxial, and the pull rod can dismantle with the main shaft and be connected, and the below that the main shaft one end was kept away from to the pull rod is equipped with the buttress, and the buttress supports the one end that the main shaft was kept away from to the pull rod.

This prior art has the following disadvantages: only can install the dismantlement to the runner, because the runner center is convenient installs the bush, and the runner passes through the bush and removes the installation on the pull rod, but the mounting position and the overall structure of hydraulic turbine front shroud and back shroud are different with the runner, consequently the pull rod can't solve the stable, safe and quick installation of hydraulic turbine front shroud and back shroud, can only adopt hoist and mount mode installation front shroud and back shroud again.

Disclosure of Invention

The utility model provides a horizontal water turbine assembling and disassembling tool which aims at solving the technical problem of how to be suitable for stable, safe and quick installation of a front cover plate and a rear cover plate, and comprises a supporting rod and a guide rod, wherein one end of the guide rod is detachably connected to a main shaft, and the other end of the guide rod is supported by the supporting rod.

In order to facilitate the movement of the bracket and the bushing, a plurality of guide rings are installed between the bracket and the guide rod.

In order to improve the installation stability of the guide rod, a foundation plate is arranged at the bottom of the support rod, a clamp can be detached from the top of the support rod, and the clamp is used for hooping the guide rod.

Further, a skid is arranged between the guide rod and the support rod.

In order to facilitate the installation of the front cover plate, the front cover plate is connected to the support through a bolt, and the front cover plate and the support are simultaneously connected with the nylon suspender.

In order to facilitate the installation of the rear cover plate, the support is connected with the connecting flange through a second bolt, and the connecting flange is connected with the rear cover plate through a third bolt.

In order to facilitate the installation of the rotating wheel, the guide rod is in threaded connection with the main shaft, a bushing is sleeved on the guide rod, a plurality of guide rings are installed between the support and the bushing, and the rotating wheel is connected with the bushing through a bolt four.

The utility model has the following beneficial effects:

1. in the disassembly and assembly process of the rotating wheel, the front cover plate and the rear cover plate, the difference exists between the height and the transverse distance of the rotating wheel, the front cover plate and the rear cover plate at the position of the unit, one guide rod is only suitable for the installation of one component, the rest needs to be directly hoisted, the rotating wheel and the water guide mechanism of the water turbine can be assembled and disassembled more conveniently, the rotating wheel, the front cover plate and the rear cover plate move transversely on the guide rod stably, the elevation is changed through the support and the connecting flange, the guide rod transversely stabilizes the guide, the installation work of the rotating wheel, the front cover plate and the rear cover plate is solved, the personnel safety is guaranteed, the practicability is high, the structure is simple, the installation is easy, the operation is convenient, and the safety is high.

Drawings

FIG. 1 is a schematic view of a support rod installation;

FIG. 2 is a front cover mounting schematic;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a rear cover plate installation schematic;

fig. 5 is a schematic view of a rotor wheel installation.

Detailed Description

The following is a further detailed description of the embodiments:

1. reference numerals in the drawings of the specification include: the support rod 1, the guide rod 2, the bushing 3, the main shaft 4, the rotating wheel 5, the bracket 6, the guide ring 7, the connecting flange 8, the foundation plate 9, the clamp 10, the skid 11, the front cover plate 12, the first bolt 13, the nylon sling 14, the second bolt 15, the third bolt 16, the fourth bolt 17 and the rear cover plate 18.

Example 1

As shown in fig. 1-5, a horizontal water turbine assembling and disassembling tool comprises a supporting rod 1, a guide rod 2 and a bushing 3, wherein one end of the guide rod 2 is in threaded connection with a main shaft 4, the other end of the guide rod is supported by the supporting rod 1, when a rotating wheel 5 is installed, the bushing 3 is sleeved on the guide rod 2, the rotating wheel 5 is detachably connected with the bushing 3, a plurality of guide rings 7 are installed between a support 6 and the bushing 3, the rotating wheel 5 transversely moves on the guide rod 2, when front and rear cover plates are installed, a support 6 is sleeved on the guide rod 2, a plurality of guide rings 7 are installed between the support 6 and the guide rod 2, the support 6 transversely moves on the guide rod 2, a connecting flange 8 is detachably connected to the support 6, the support 6 is used for connecting a front cover plate 12, and the connecting flange 8 is used for connecting a rear cover plate 18.

The bottom of the supporting rod 1 is provided with a foundation plate 9, a clamp 10 can be detached from the top of the supporting rod 1, the clamp 10 hoops the guide rod 2, and a skid 11 is arranged between the guide rod 2 and the supporting rod 1.

The front cover plate 12 is connected to the bracket 6 through a first bolt 13, the front cover plate 12 and the bracket 6 are simultaneously connected with a nylon sling 14, the bracket 6 is connected with the bottom of the connecting flange 8 through a second bolt 15, the top of the connecting flange 8 is connected with a rear cover plate 18 through a third bolt 16, and the rotating wheel 5 is connected with the bushing 3 through a fourth bolt 17.

The specific implementation steps are as follows:

step 1, the support rod 1, the guide rod 2 and the bracket 6 are fixedly arranged:

firstly, the lower end of the supporting rod 1 is fixed with the foundation plate 9 through bolts, then the left end of the guide rod 2 is locked at the top end of the supporting rod 1 through nuts by using the clamp 10, and the skid 11 is installed.

Step 2, the support 6 is sleeved into the guide rod 2, and the front cover plate 12 is connected with the support 6 for hoisting:

the guide ring 7 is arranged on the support 6, grease is smeared on the guide ring 7, the support 6 is sleeved on the guide rod 2, the right end of the guide rod 2 is connected with the main shaft 4 through threads, the front cover plate 12 is connected with the support 6 through a first bolt 13, the front cover plate 12 is transversely moved to an installation position, and the front cover plate 12 is lifted;

step 3, fixing the connecting flange 8, and connecting and hoisting the rear cover plate 18 and the connecting flange 8:

after the bracket 6 is separated from the front cover plate 12, the bracket 6 is connected with the connecting flange 8 through a second bolt 15, the rear cover plate 18 is connected with the connecting flange 8 through a third bolt 16, the rear cover plate 18 is transversely moved to the installation position, and the rear cover plate 18 is hoisted:

step 4, dismantling the bracket 6, mounting the bushing 3 on the hoisting rotating wheel 5, and connecting and hoisting the rotating wheel 5 and the bushing 3:

dismantling clamp 10, hoist and mount transversely rotate guide bar 2, demolish support 6, for runner 5 provides the installation space, will bushing 3 dress is in runner 5, the dress is gone up to bushing 3 guide ring 7, paint the grease on the guide ring 7, will bushing 3 and runner 5 embolia guide bar 2, guide bar 2 return, guide bar 2 right-hand member passes through threaded connection with main shaft 4, guide bar 2 left end passes through clamp 10 is hooped on bracing piece 1, runner 5 passes through the bolt and is connected with bushing 3, runner 5 lateral shifting is to the mounted position, accomplishes runner 5 hoist and mount.

The mounting step is reversed to operate as a step of sequentially removing the wheel 5, the rear cover plate 18 and the front cover plate 12.

The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a horizontal hydraulic turbine installs and removes instrument, includes bracing piece (1) and guide bar (2), connection on main shaft (4) can be dismantled to guide bar (2) one end, the other end by bracing piece (1) support, a serial communication port, still the cover is equipped with support (6) on guide bar (2), support (6) movable sleeve is established on guide bar (2), can dismantle on support (6) and be connected with flange (8), support (6) are used for connecting front shroud (12), flange (8) are used for connecting back shroud (18).

2. The horizontal turbine mounting and dismounting tool as set forth in claim 1, wherein: a plurality of guide rings (7) are arranged between the support (6) and the guide rod (2).

3. The horizontal turbine mounting and dismounting tool as set forth in claim 2, wherein: the bottom of the supporting rod (1) is provided with a foundation plate (9), a clamp (10) is detachable from the top of the supporting rod (1), and the clamp (10) is used for hooping the guide rod (2).

4. A horizontal turbine mounting and dismounting tool as claimed in claim 3, wherein: a skid (11) is arranged between the guide rod (2) and the support rod (1).

5. The horizontal turbine mounting and dismounting tool as set forth in claim 4, wherein: the front cover plate (12) is connected to the bracket (6) through a first bolt (13), and the front cover plate (12) and the bracket (6) are simultaneously connected with the nylon suspender (14).

6. The horizontal turbine mounting and dismounting tool as set forth in claim 5, wherein: the bracket (6) is connected with the connecting flange (8) through a second bolt (15), and the connecting flange (8) is connected with the rear cover plate (18) through a third bolt (16).

7. The horizontal turbine mounting or dismounting tool as set forth in any one of claims 4 to 6 wherein: the guide rod (2) is in threaded connection on the main shaft (4), a bushing (3) is sleeved on the guide rod (2), a plurality of guide rings (7) are arranged between the support (6) and the bushing (3), and the bushing (3) is connected with the rotating wheel (5) through a bolt IV (17).