CN218927647U

CN218927647U - Disassembling tool and device for rotating oil basin end cover of water turbine

Info

Publication number: CN218927647U
Application number: CN202222227704.5U
Authority: CN
Inventors: 徐大伟; 高登峰; 王志勇; 田小川
Original assignee: Huaneng Yimin Coal And Electricity Co ltd Honghuaerji Hydropower Branch
Current assignee: Huaneng Yimin Coal And Electricity Co ltd Honghuaerji Hydropower Branch
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-04-28
Anticipated expiration: 2032-08-22
Also published as: DE202023104528U1

Abstract

The utility model discloses a disassembling tool and a device for a rotary oil basin end cover of a water turbine, wherein the disassembling tool comprises a disassembling unit, a rotary oil basin end cover and a rotary oil basin end cover, wherein the disassembling unit comprises a disassembling body and a groove body arranged at one end of the disassembling body; the connecting unit comprises a pivot assembly positioned at the overlapping part of the 2 identical dismounting units and a limit connecting assembly arranged at one end of the dismounting body far away from the groove body; the dismounting units are provided with 2 groups, and the 2 groups of dismounting units are symmetrically distributed; the device also comprises a handle component, which comprises a handle body arranged on the connecting section, a limiting hole arranged on the handle body, and a tightening ring penetrating through the limiting hole. According to the hydraulic turbine maintenance tool, bolts are replaced by hands to be connected, the bolts can be prevented from falling into water, the groove body is connected with the dismounting body through threads, and then the bolts with different sizes can be dismounted, clamped and mounted through replacing the groove bodies with the grooves with different sizes.

Description

Disassembling tool and device for rotating oil basin end cover of water turbine

Technical Field

The utility model relates to the technical field of disassembly and assembly of a rotating oil basin end cover of a water turbine, in particular to a disassembly and assembly tool and a device thereof for the rotating oil basin end cover of the water turbine.

Background

The rotary oil basin is an important part in the turbine unit, the upper oil basin and the lower oil basin can form a loop for cooling the water guide shoe, when the turbine unit is disassembled and overhauled, the upper bolt and the lower bolt of the water guide shoe are required to be disassembled, the water guide shoe can be lifted by disassembling the upper bolt of the water guide shoe, and the lifting height of the water guide shoe is only 10-15 cm due to the limited space position, the lower bolt of the water guide shoe is arranged in the rotary oil basin, and the common flat spanner cannot bypass the supporting cover to disassemble the lower bolt of the water guide shoe, so that the disassembly tool and the handle assembly of the end cover of the rotary oil basin of the turbine are required to solve the problem at present because the lower bolt of the water guide shoe cannot be disassembled only through the cooperation of two hands.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The utility model provides the rotary oil basin end cover dismounting tool for the hydropower station in view of the problems of the conventional rotary oil basin end cover dismounting tool.

Therefore, the utility model aims to provide a hydropower station rotating oil basin end cover dismounting tool, which aims to: the tool replaces the two hands to disassemble and assemble the bolts for rotating the oil basin end cover, and the disassembled bolts can be clamped.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a power station rotates oil basin end cover assembly and disassembly tools, includes the dismouting unit, including dismouting body and set up in the cell body of dismouting body one end; the connecting unit comprises pivot assemblies positioned at the overlapped positions of the 2 identical dismounting units and limit connecting assemblies arranged at one end of the dismounting body, which is far away from the groove body; the disassembly and assembly units are provided with 2 groups, the 2 groups of disassembly and assembly units are connected through the pivot assembly, and the 2 groups of disassembly and assembly units are symmetrically distributed.

As a preferable scheme of the disassembly and assembly tool for the end cover of the rotary oil basin of the hydropower station, the utility model comprises the following steps: the dismounting body comprises a hinge section provided with the pivot assembly, a clamping section connected with one end of the hinge section and connected with the groove body, and a connecting section connected with the other end of the hinge section 101a and provided with the limit connecting assembly.

As a preferable scheme of the disassembly and assembly tool for the end cover of the rotary oil basin of the hydropower station, the utility model comprises the following steps: the one end of centre gripping section with screw thread swivelling joint between the cell body, the cell body including set up in the notch at cell body bottom center, the bottom surface shape of notch is trilateral, 2 groups the dismouting unit the notch is relative, 2 the bottom surface of notch forms regular hexagon jointly.

As a preferable scheme of the disassembly and assembly tool for the end cover of the rotary oil basin of the hydropower station, the utility model comprises the following steps: the pivot assembly comprises a fixing bolt inserted into the hinge section, a nut spirally connected to one end of the fixing bolt and a gasket arranged above the nut; the pad is provided with at least 1 and has a concave-convex texture on the surface.

As a preferable scheme of the disassembly and assembly tool for the end cover of the rotary oil basin of the hydropower station, the utility model comprises the following steps: the center of the hinge section is provided with a through hole, and the fixing bolt sequentially penetrates through the through hole and the gasket to be fixed by the nut.

As a preferable scheme of the disassembly and assembly tool for the end cover of the rotary oil basin of the hydropower station, the utility model comprises the following steps: the hinge section further comprises a limiting block horizontally arranged on the outer side of the hinge section.

As a preferable scheme of the disassembly and assembly tool for the end cover of the rotary oil basin of the hydropower station, the utility model comprises the following steps: the limiting connection assembly comprises a pin shaft arranged on the inner side of the connection section and a compression spring connected with the pin shaft.

The utility model has the beneficial effects that: the special shape structure of the dismounting body can bypass the supporting cover to enable the two opposite groove bodies at the front end of the dismounting body to dismount the bolt and clamp the bolt after dismantlement, so that a worker is replaced by screwing the bolt by hand and is assisted by the other hand to prevent the loosened bolt from falling into water after screwing; the cell body passes through threaded connection with the dismouting body, and then can realize dismantling, centre gripping and installation to the bolt of equidimension, shape through the cell body of the notch of changing equidimension, shape, and this instrument has promoted hydraulic turbine maintainer's work efficiency by a wide margin.

Therefore, the utility model aims to provide a device for disassembling and assembling a rotating oil basin end cover of a water turbine, which aims to: the limiting ring of the handle assembly can prevent the dismounting tool from exerting force in the whole process when clamping the bolt.

In order to solve the technical problems, the utility model provides another technical scheme: the utility model provides a hydraulic turbine rotates oil basin end cover dismouting device, includes dismouting unit and connecting element, its characterized in that: the handle assembly comprises a handle body arranged at one end of the connecting section, a limiting hole arranged on the outer surface of the handle body, and a tightening ring penetrating through the inner end of the limiting hole.

As a preferable scheme of the water turbine rotating oil basin end cover dismounting device, the utility model comprises the following steps: the bottom surface of the handle body is semicircular, and 2 groups of handle bodies can be combined into a whole circle.

As a preferable scheme of the water turbine rotating oil basin end cover dismounting device, the utility model comprises the following steps: the handle body further comprises a handle sleeve which is coated on the outer surface of the handle body, and the handle sleeve is made of Abs rubber coating materials.

The utility model has the other beneficial effects that: the limiting ring of the handle assembly enables the dismounting tool not to apply force in the whole process of clamping the bolt, and the handle sleeve is made of Abs rubber coating materials, so that the dismounting tool is insulated and anti-skid, and maintenance personnel can save manpower and improve efficiency and avoid accidents.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the whole structure of the disassembling tool for the rotary oil basin end cover of the water turbine.

Fig. 2 is a schematic structural view of a pivoting assembly of the tool for removing and installing the end cap of the rotating basin of the water turbine according to the present utility model.

Fig. 3 is a schematic structural view of a limiting connection assembly of the disassembling tool for the rotary oil basin end cover of the water turbine.

Fig. 4 is a schematic structural view of a handle assembly of the rotary oil basin end cap dismounting tool of the water turbine of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1, for a first embodiment of the present utility model, there is provided a disassembly tool for a rotating basin end cap of a water turbine, the disassembly tool comprising: the disassembling and assembling unit 100 and the connecting unit 200.

In this embodiment, the detachable unit 100 includes a detachable body 101 and a groove 102, the groove 102 being provided at one end of the detachable body 101; the connection unit 200 comprises a pivoting assembly 201 and a limiting connection assembly 202, wherein the pivoting assembly 201 is positioned at the overlapped part of 2 identical dismounting units 100, and the limiting connection assembly 202 is arranged at one end of the dismounting body 101 far away from the groove body 102; wherein, the disassembling and assembling units 100 are provided with 2 groups, and the 2 groups of disassembling and assembling units 100 are connected through the pivot assembly 201, and the 2 groups of disassembling and assembling units 100 are symmetrically distributed.

The 2 groups of symmetrically distributed dismounting units 100 are connected through a limit connecting assembly 202; the 2 groups of dismounting units 100 can horizontally rotate through the pivot assembly 201, so that the 2 groups of dismounting bodies 101 drive the groove body 102 to clamp and screw bolts to be dismounted, and dismounting of the bolts of the end covers of the rotary oil basin is realized.

Wherein, the detachable body 101 is divided into a hinge section 101a, a clamping section 101b and a connecting section 101c; the hinge section 101a is movably connected through the pivot assembly 201, the clamping section 101b is connected at one end of the hinge section 101a and connected with the groove 102, the connecting section 101c is connected with the other end of the hinge section 101a, and the 2 groups of connecting sections 101c are connected through the limit connecting assembly 202.

The articulated section 101 is close to the one end of pivot subassembly 201 and is connected perpendicularly with centre gripping section 101b, link 101c is connected perpendicularly with the other end of articulated section 101a, spacing coupling assembling 202 connects at the middle part of 2 group's link 101c, the part that 2 group's articulated sections were connected by pivot subassembly sets up to half of original thickness, in the use, assembly and disassembly tools level gets into the gap, through rotating 90 messenger's cell body 102 to reach the position of the bolt that needs the dismouting, hold link 101c and use the bolt that needs the dismantlement as centre of a circle level rotation can realize the dismantlement to the bolt, spacing coupling assembling 202 can make the distance between 2 group's link 101c fixed, likewise, also can reverse direction rotation install the fastening.

One end of the clamping section 101b is movably connected with the groove body 102 through screw threads in a rotating mode, the groove body 102 comprises a groove opening 102a formed in the center of the bottom of the groove body 102, the bottom surface of the groove opening 102a is trilateral, 2 groups of groove openings 102a of the dismounting unit 100 are opposite, and the bottom surfaces of the 2 groove openings 102a jointly form a regular hexagon.

In practical application, the notch 102a is in contact with the bolt to be disassembled, and the clamping section 101b is connected with the groove bodies of the notches with different sizes and shapes to disassemble and assemble the bolts with different shapes and sizes.

Example 2

Referring to fig. 2 to 3, a second embodiment of the present utility model is different from the first embodiment in that: the pivot assembly 201 comprises a fixing bolt 201a, a nut 201b and a gasket 201c, wherein the fixing bolt 201a is inserted in the overlapped part of the 2 groups of hinge sections 101a, the nut 201b is in threaded connection with one end of the fixing bolt 201a, and the gasket 201c is arranged above the nut 201 b; wherein, the pad 201c is provided with at least 1 and has a concave-convex texture on the surface.

Compared with the

embodiment

1,2 sets of detachable units 100 are connected through the pivoting assembly 201, the gasket 201c has concave-convex textures, so that friction between the gasket 201c and the nut 201b is enhanced, fastening effect of the nut 201b is improved, the detachable units 101 can axially rotate around the fixing bolt 201a through the connection of the fixing bolt 201a to the 2 sets of detachable units 101, clamping and loosening of the bolts by the notch 102a are achieved, in the use process, the pivoting assembly 201 can be provided with two gaskets 201c, the two gaskets 201c are respectively provided with through holes, the fixing bolt 201a can respectively penetrate through the first gasket and the second gasket, and the fixing bolt 201b is used for fixing the gaskets, so that fastening effect of the pivoting structure is further enhanced.

Wherein, the center of the hinging section 101a is provided with a through hole 101a-1, a fixing bolt 201a sequentially passes through the through hole 101a-1, the through hole 101a-1 is arranged at the center of 1/2 thickness of the hinging section 101a of 2 groups, and a gasket 201c is fixed by a nut 201 b; the hinge segment 101a further includes a stopper 101a-2 horizontally disposed outside the hinge segment 101 a; the spacing connection assembly 202 includes a pin 202a disposed inside the connection section 101c, and a compression spring 202b connecting the pin 202 a.

The fixing bolt 201a passes through the through holes 101a-1 of the 2 groups of clamping bodies 101 and the gasket 201c to be fixed by the nut 201 b; the limiting block 101a-2 can prevent the two hinge sections 101a from being separated by too large an angle when the 2 groups of hinge sections 101a rotate around the fixing bolt 201a in the axial direction and in opposite directions, so that the separation distance of the two notches connected to the two connecting sections 101b is not too long; the compression spring 202b fixedly connected in the middle of the two pin shafts 202a arranged on the inner sides of the two connecting sections 101c plays a role in connecting the two groups of disassembly and assembly bodies, and the included angle of the two hinged sections 101a can be limited by controlling the distance between the two groups of disassembly and assembly bodies, so that the separation distance of the two notches connected to the two connecting sections 101b is not too far, and the disassembly and assembly tools are more efficient and convenient in the practical process.

The rest of the structure is the same as that of embodiment 1.

Example 3

Referring to fig. 4, a third embodiment of the present utility model is shown, which differs from the second embodiment in that: the disassembly and assembly device for the rotating oil basin end cover of the water turbine comprises a disassembly and assembly unit 100 and a connection unit (200, and further comprises a handle assembly 300, wherein the handle assembly 300 comprises the disassembly and assembly unit 100 and the connection unit 200, and is characterized by further comprising a handle body 301, a limiting hole 301a, a tightening ring 302 and a handle sleeve 301b, wherein the handle body 301 is arranged at one end, far away from the hinge section 101a, of the connection section 101c, the limiting hole 301a is arranged at one end, far away from the hinge section 101a, of the connecting section 101c, the outer surface of the handle body 301 vertically penetrates through the handle body 301, the tightening ring 302 penetrates through the inner end of the limiting hole 301a, the bottom surface of the handle body 301 is semicircular, and 2 groups of handle bodies 301 can be combined into a whole circle.

The handle 301 further includes a handle sleeve 301b wrapped on an outer surface of the handle 301, and the handle sleeve 301b is made of Abs rubber.

During the use, drive the linkage segment 101c through the opening and shutting of grip control handle body 301, make articulated segment 101a rotate around fixing bolt 201a, and then realize two cell bodies 102 to the dismantlement, the installation and the centre gripping of bolt, can make it cup joint in the opposite side handle from one side handle activity through rotating the clamp ring 302 to realize that the assembly and disassembly tools need not continuously exert the grip to the handle and can realize the centre gripping to the bolt.

And the tightening ring 302 facilitates the storage of the disassembly and assembly tool, and the handle sleeve 301b of the handle body 301 is made of Abs rubber coating material, so that the corrosion is not easy to occur and the comfort of use is improved.

The rest of the structure is the same as that of embodiment 2.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. The utility model provides a hydraulic turbine rotates oil basin end cover assembly and disassembly tools which characterized in that: comprising the steps of (a) a step of,

a detachable unit (100) comprising a detachable body (101) and a groove body (102) arranged at one end of the detachable body (101);

the connecting unit (200) comprises a pivoting assembly (201) positioned at the overlapping position of 2 identical dismounting units (100) and a limit connecting assembly (202) arranged at one end of the dismounting body (101) far away from the groove body (102);

the dismounting units (100) are provided with 2 groups, the 2 groups of dismounting units (100) are connected through the pivot assembly (201), and the 2 groups of dismounting units (100) are symmetrically distributed.

2. The hydraulic turbine rotary oil basin end cap assembly and disassembly tools of claim 1, wherein: the detachable body (101) comprises a hinge section (101 a) arranged on the pivoting assembly (201), a clamping section (101 b) connected with one end of the hinge section (101 a) and connected with the groove body (102), and a connecting section (101 c) connected with the other end of the hinge section (101 a) and provided with the limiting connecting assembly (202).

3. The hydraulic turbine rotary oil basin end cap assembly and disassembly tools of claim 2, wherein: the clamping section (101 b) is in threaded rotary connection with the groove body (102), the groove body (102) comprises a notch (102 a) formed in the center of the bottom of the groove body (102), the bottom surface of the notch (102 a) is trilateral, 2 groups of notches (102 a) of the dismounting unit (100) are opposite, and 2 bottoms of the notches (102 a) jointly form a regular hexagon.

4. A hydraulic turbine rotary oil basin end cap assembly and disassembly tool according to claim 3, wherein: the pivot assembly (201) comprises a fixed bolt (201 a) inserted into the hinge section (101 a), a nut (201 b) spirally connected to one end of the fixed bolt (201 a), and a gasket (201 c) arranged above the nut (201 b);

at least 1 gasket (201 c) is arranged, and the surface of the gasket is provided with concave-convex textures.

5. The hydraulic turbine rotary oil basin end cap assembly and disassembly tools of claim 4, wherein: the center of the hinge section (101 a) is provided with a through hole (101 a-1), and the fixing bolt (201 a) sequentially penetrates through the through hole (101 a-1) and the gasket (201 c) to be fixed by the nut (201 b).

6. The hydraulic turbine rotary oil basin end cap assembly and disassembly tools of claim 5, wherein: the hinge section (101 a) further comprises a limiting block (101 a-2) horizontally arranged on the outer side of the hinge section (101 a).

7. The hydraulic turbine rotary oil basin end cover assembly and disassembly tools according to any one of claims 2 to 6, characterized in that: the limiting connection assembly (202) comprises a pin shaft (202 a) arranged on the inner side of the connection section (101 c), and a compression spring (202 b) connected with the pin shaft (202 a).

8. The utility model provides a hydraulic turbine rotates oil basin end cover dismouting device which characterized in that: the hydraulic turbine rotary oil basin end cover dismounting tool comprises any one of claims 2-7, and further comprises a handle assembly (300), wherein the handle assembly comprises a handle body (301) arranged at one end of the connecting section (101 c), a limiting hole (301 a) arranged on the outer surface of the handle body (301), and a tightening ring (302) penetrating through the inner end of the limiting hole (301 a).

9. The hydraulic turbine rotary oil basin end cap dismounting device of claim 8, wherein: the bottom surface of the handle body (301) is semicircular, and 2 groups of handle bodies (301) can be combined into a whole circle.

10. The hydraulic turbine rotary oil basin end cap dismounting device of claim 8 or 9, wherein: the handle body (301) further comprises a handle sleeve (301 b) coated on the outer surface of the handle body (301), and the handle sleeve (301 b) is made of Abs rubber coating materials.