CN217046318U - Water turbine main shaft maintenance roll-over stand - Google Patents
Water turbine main shaft maintenance roll-over stand Download PDFInfo
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- CN217046318U CN217046318U CN202123090742.2U CN202123090742U CN217046318U CN 217046318 U CN217046318 U CN 217046318U CN 202123090742 U CN202123090742 U CN 202123090742U CN 217046318 U CN217046318 U CN 217046318U
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- main shaft
- fixedly connected
- over stand
- supporting plate
- turbine main
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- 238000012423 maintenance Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to the technical field of hydropower stations, in particular to a water turbine main shaft maintenance roll-over stand, which comprises a supporting component, a base, two supporting plates, a fixed plate and a screw rod, wherein the supporting plate is fixedly connected to the top surface of the base at the left side, the bottom surface of the supporting plate is in sliding connection with the top surface of the base at the right side, the top surface of the fixed plate is fixedly connected with the top surface of the base, the left end of the screw rod is fixedly connected with the side surface of the left supporting plate, and the right end of the screw rod penetrates through the right supporting plate and is fixedly connected with the side surface of the fixed plate; the supporting component comprises a base, two supporting plates, a fixing plate and a screw rod. The utility model discloses a motor drives that the driving gear is rotatory and make the gear nut meshing, and then moves on the screw rod through the gear nut is rotatory, drives the right side backup pad through the gear nut and removes, and then carries out the centre gripping through two backup pad cooperations to the main shaft and fix, therefore the main shaft is fixed simple and conveniently.
Description
Technical Field
The utility model relates to a power station technical field, especially a hydraulic turbine main shaft maintenance roll-over stand.
Background
The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, belongs to a turbine machine in a fluid machine, and needs to be maintained by an operator when a main shaft of the hydraulic turbine is damaged.
When the existing part of the main shaft is maintained, the main shaft needs to be inserted on the rotating rod, then the main shaft and the rotating rod are fixed through a plurality of bolts or fasteners, and when the main shaft is fixed, an operator needs to sequentially tighten the bolts or the fasteners, so that the main shaft is troublesome to fix.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the present application, and such simplifications or omissions cannot be used to limit the scope of the present invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional roll-over stand for repairing a main shaft of a water turbine.
Therefore, the utility model aims to solve the problem of how to provide a hydraulic turbine main shaft maintenance roll-over stand.
In order to solve the technical problem, the utility model provides a following technical scheme: a turning frame for maintaining a main shaft of a water turbine comprises,
the supporting assembly comprises a base, two supporting plates, a fixing plate and a screw rod, wherein the left supporting plate is fixedly connected to the top surface of the base, the bottom surface of the right supporting plate is slidably connected with the top surface of the base, the top surface of the fixing plate is fixedly connected with the top surface of the base, the left end of the screw rod is fixedly connected with the side surface of the left supporting plate, and the right end of the screw rod penetrates through the right supporting plate and is fixedly connected with the side surface of the fixing plate;
the turnover assembly comprises two rotating shafts, two auxiliary disks, a driven gear, a motor and a driving gear, wherein the two rotating shafts are respectively and rotatably connected to the side surfaces of the two supporting plates, the two auxiliary disks are respectively and fixedly sleeved on the side surfaces of the two rotating shafts, the right end of the right rotating shaft extends to the right side of the supporting plate and is fixedly sleeved with the driven gear, the driving gear is fixedly sleeved on the side surface of a rotating shaft of the motor, and the driving gear is meshed with the driven gear;
the clamping assembly comprises a gear nut and a first air cylinder, the gear nut is in threaded connection with the side face of the screw, the side face of the gear nut is connected with the right side in a rotating mode, the gear nut is meshed with the driving gear, the first air cylinder is fixedly connected to the side face of the support plate on the right side, and the extending end of the first air cylinder is fixedly connected with the side face of the motor.
Based on above-mentioned technical characteristics, promote motor and driving gear through first cylinder and remove and make driving gear and gear nut meshing, then drive the driving gear rotation and make gear nut rotatory through the motor, and then remove and drive right side backup pad through gear nut on the screw rod and remove, drive pivot and auxiliary disc through right side backup pad and carry out the centre gripping fixed to the main shaft.
As a hydraulic turbine main shaft maintains an optimal selection scheme of roll-over stand, wherein: the side fixedly connected with gag lever post of fixed plate, the left end of gag lever post run through right side backup pad and with the side fixed connection of left side backup pad.
Based on above-mentioned technical characteristics, be convenient for increase the stability that right side backup pad removed.
As a hydraulic turbine main shaft maintains an optimal selection scheme of roll-over stand, wherein: the side surface of the auxiliary disc is fixedly connected with three positioning rods, and the three positioning rods are annularly distributed on the side surface of the auxiliary disc at equal intervals.
Based on the technical characteristics, the main shaft is positioned through the three positioning rods, so that an operator can conveniently and accurately sleeve the main shaft on the rotating shaft.
As a preferred scheme of hydraulic turbine main shaft maintenance roll-over stand, wherein: the gag lever post is nonrust steel column, and the quantity of gag lever post is two, two the gag lever post is about the backup pad symmetry.
Based on above-mentioned technical characteristic, be convenient for increase the stability that right side backup pad removed through two gag lever posts cooperations.
As a hydraulic turbine main shaft maintains an optimal selection scheme of roll-over stand, wherein: the side surface of the auxiliary disc is bonded with a rubber pad, and the side surface of the auxiliary disc is connected with the side surface of the supporting plate in a sliding mode.
Based on the technical characteristics, the friction force between the auxiliary disc and the main shaft is increased through the rubber pad.
As a hydraulic turbine main shaft maintains an optimal selection scheme of roll-over stand, wherein: the side of pivot bonds has the antiskid cotton, and the central axis of left side pivot is coaxial with the central axis of right side pivot.
Based on above-mentioned technical characteristics, the central axis through two pivots is coaxial to be convenient for carry out accurate centre gripping to the main shaft.
As a hydraulic turbine main shaft maintains an optimal selection scheme of roll-over stand, wherein: the positioning rod is a rubber column.
Based on the technical characteristics, the rubber column has better friction force, thereby promoting to increase the friction force between the auxiliary disc and the main shaft.
As a hydraulic turbine main shaft maintains an optimal selection scheme of roll-over stand, wherein: and the clamping assembly comprises a second cylinder and a contact block, the second cylinder is fixedly connected to the side surface of the fixed plate, the contact block is movably sleeved on the side surface of the extending end of the second cylinder, and the side surface of the contact block is fixedly connected with the right end of the right rotating shaft.
Based on above-mentioned technical characteristics, promote the conflict piece through the second cylinder and remove, and then make conflict piece promote pivot and right side backup pad and remove, drive pivot and auxiliary disk through right side backup pad and remove, and then carry out the centre gripping through two pivots and auxiliary disk cooperation to the main shaft and fix.
The utility model discloses beneficial effect does: 1. the motor drives the driving gear to rotate and causes the gear nut to be meshed, the gear nut rotates and moves on the screw rod, the gear nut drives the right supporting plate to move, and the two supporting plates are matched to clamp and fix the spindle, so that the spindle is simple and convenient to fix;
2. promote motor and driving gear removal and make driving gear and driven gear meshing through first cylinder, drive driven gear through the driving gear and rotate and make the pivot rotatory, drive the rotation of auxiliary disk and make the main shaft rotatory through the pivot, and then the operator of being convenient for maintains the main shaft.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a sectional view of a partial three-dimensional structure in a first embodiment of the present invention;
fig. 3 is a sectional view of a partial three-dimensional structure in a second embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a support assembly; 101. a base; 102. a support plate; 103. a fixing plate; 103a, a limiting rod; 104. a screw;
200. turning over the assembly; 201. a rotating shaft; 202. an auxiliary disc; 202a, a positioning rod; 203. a driven gear; 204. a motor; 205. a driving gear;
300. a clamping assembly; 301. a gear nut; 302. a first cylinder; 303. a second cylinder; 304. and (6) a contact block.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. 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.
The first embodiment is as follows: as shown in fig. 1-3 of the attached drawings of the specification, a water turbine main shaft maintenance roll-over stand comprises a support assembly 100, which comprises a base 101, two support plates 102, a fixing plate 103 and a screw 104, wherein the left support plate 102 is fixedly connected to the top surface of the base 101, the bottom surface of the right support plate 102 is slidably connected to the top surface of the base 101, the top surface of the fixing plate 103 is fixedly connected to the top surface of the base 101, the left end of the screw 104 is fixedly connected to the side surface of the left support plate 102, and the right end of the screw 104 penetrates through the right support plate 102 and is fixedly connected to the side surface of the fixing plate 103; the turnover assembly 200 comprises two rotating shafts 201, two auxiliary discs 202, a driven gear 203, a motor 204 and a driving gear 205, wherein the two rotating shafts 201 are respectively and rotatably connected to the side surfaces of the two support plates 102, the two auxiliary discs 202 are respectively and fixedly sleeved on the side surfaces of the two rotating shafts 201, the right end of the right rotating shaft 201 extends to the right side of the support plate 102 and is fixedly sleeved with the driven gear 203, the driving gear 205 is fixedly sleeved on the side surface of the rotating shaft of the motor 204, and the driving gear 205 is meshed with the driven gear 203; the clamping assembly 300 comprises a gear nut 301 and a first air cylinder 302, wherein the gear nut 301 is in threaded connection with the side surface of the screw 104, the side surface of the gear nut 301 is rotatably connected with the side surface of the right side supporting plate 102, the gear nut 301 is meshed with the driving gear 205, the first air cylinder 302 is fixedly connected with the side surface of the right side supporting plate 102, and the extending end of the first air cylinder 302 is fixedly connected with the side surface of the motor 204.
As shown in fig. 1-3 of the attached drawings, a limiting rod 103a is fixedly connected to a side surface of the fixing plate 103, a left end of the limiting rod 103a penetrates through the right support plate 102 and is fixedly connected to a side surface of the left support plate 102, the limiting rod 103a is a stainless steel column, the number of the limiting rods 103a is two, the two limiting rods 103a are symmetrical with respect to the support plate 102, and the stability of movement of the right support plate 102 is improved by the cooperation of the two limiting rods 103 a.
As shown in fig. 1-3 of the accompanying drawings of the specification, three positioning rods 202a are fixedly connected to the side surface of the auxiliary plate 202, the three positioning rods 202a are annularly distributed on the side surface of the auxiliary plate 202 at equal intervals, the positioning rods 202a are rubber columns, and the rubber columns have good friction force, so that the friction force between the auxiliary plate 202 and the spindle is increased, and the spindle is positioned by the three positioning rods 202a, so that an operator can precisely sleeve the spindle on the rotating shaft 201.
As shown in fig. 1-3 of the specification, a rubber pad is adhered to a side surface of the auxiliary disc 202, the side surface of the auxiliary disc 202 is slidably connected to a side surface of the support plate 102, and the rubber pad increases a friction force between the auxiliary disc 202 and the spindle, so that the spindle 201 can be driven to rotate together when the spindle rotates.
As shown in fig. 1-3 of the accompanying drawings of the specification, anti-slip cotton is bonded to the side surface of the rotating shaft 201, the central axis of the rotating shaft 201 on the left side is coaxial with the central axis of the rotating shaft 201 on the right side, friction between the rotating shaft 201 and the spindle is increased through the anti-slip cotton for anti-slip, and the central axes of the two rotating shafts 201 are coaxial so as to accurately clamp the spindle.
The working principle is as follows: the motor 204 and the driving gear 205 are pushed to move through the first air cylinder 302, the driving gear 205 is enabled to be meshed with the gear nut 301, then the motor 204 drives the driving gear 205 to rotate, the gear nut 301 is enabled to rotate, the screw 104 moves through the gear nut 301, the right support plate 102 moves, the right support plate 102 drives the rotating shaft 201 and the auxiliary plate 202 to clamp and fix the spindle, then the motor 204 and the driving gear 205 are pushed to move through the first air cylinder 302, the driving gear 205 is enabled to be meshed with the driven gear 203, the driven gear 203 and the rotating shaft 201 are driven to rotate through the motor 204, the rotating shaft 201 is enabled to drive the spindle to rotate, and therefore an operator can maintain the spindle actively.
The second embodiment: as shown in fig. 3 of the drawings attached to the description, different from the clamping assembly 300 of the first embodiment, the clamping assembly 300 of the first embodiment includes a second cylinder 303 and an abutting block 304, the second cylinder 303 is fixedly connected to a side surface of the fixing plate 103, the abutting block 304 is movably sleeved on a side surface of an extending end of the second cylinder 303, and a side surface of the abutting block 304 is fixedly connected to a right end of the right rotating shaft 201.
The working principle is as follows: the second cylinder 303 pushes the contact block 304 to move, so that the contact block 304 pushes the rotating shaft 201 and the right supporting plate 102 to move, the right supporting plate 102 drives the rotating shaft 201 and the auxiliary disc 202 to move, and the spindle is clamped and fixed by the matching of the two rotating shafts 201 and the auxiliary disc 202.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a hydraulic turbine main shaft maintenance roll-over stand which characterized in that: comprises the steps of (a) preparing a substrate,
the supporting component (100) comprises a base (101), two supporting plates (102), a fixing plate (103) and a screw (104), wherein the supporting plate (102) on the left side is fixedly connected to the top surface of the base (101), the bottom surface of the supporting plate (102) on the right side is in sliding connection with the top surface of the base (101), the top surface of the fixing plate (103) is fixedly connected with the top surface of the base (101), the left end of the screw (104) is fixedly connected with the side surface of the supporting plate (102) on the left side, and the right end of the screw (104) penetrates through the supporting plate (102) on the right side and is fixedly connected with the side surface of the fixing plate (103);
the turnover assembly (200) comprises two rotating shafts (201), two auxiliary disks (202), a driven gear (203), a motor (204) and a driving gear (205), wherein the two rotating shafts (201) are respectively and rotatably connected to the side surfaces of the two supporting plates (102), the two auxiliary disks (202) are respectively and fixedly sleeved on the side surfaces of the two rotating shafts (201), the right end of the rotating shaft (201) on the right side extends to the right side of the supporting plate (102) and is fixedly sleeved with the driven gear (203), the driving gear (205) is fixedly sleeved on the side surface of the rotating shaft of the motor (204), and the driving gear (205) is meshed with the driven gear (203);
clamping assembly (300), it includes gear nut (301) and first cylinder (302), gear nut (301) threaded connection is in the side of screw rod (104), and the side and the right side of gear nut (301) the side of backup pad (102) is rotated and is connected, gear nut (301) and driving gear (205) meshing, first cylinder (302) fixed connection is in the side of right side backup pad (102), the side fixed connection of the end that stretches out and motor (204) of first cylinder (302).
2. The turbine main shaft maintenance roll-over stand of claim 1, characterized in that: the side face of the fixing plate (103) is fixedly connected with a limiting rod (103a), and the left end of the limiting rod (103a) penetrates through the right side supporting plate (102) and is fixedly connected with the side face of the left side supporting plate (102).
3. The turbine main shaft maintenance roll-over stand of claim 1, characterized in that: the side surface of the auxiliary disc (202) is fixedly connected with three positioning rods (202a), and the three positioning rods (202a) are distributed on the side surface of the auxiliary disc (202) in an annular shape at equal intervals.
4. The turbine main shaft maintenance roll-over stand of claim 2, characterized in that: the limiting rods (103a) are stainless steel columns, the number of the limiting rods (103a) is two, and the two limiting rods (103a) are symmetrical relative to the supporting plate (102).
5. The turbine main shaft maintenance roll-over stand of claim 1, characterized in that: the side surface of the auxiliary disc (202) is bonded with a rubber pad, and the side surface of the auxiliary disc (202) is connected with the side surface of the support plate (102) in a sliding manner.
6. The turbine main shaft maintenance roll-over stand of claim 1, characterized in that: the side of the rotating shaft (201) is bonded with anti-skid cotton, and the central axis of the left rotating shaft (201) is coaxial with the central axis of the right rotating shaft (201).
7. The turbine main shaft maintenance roll-over stand of claim 3, characterized in that: the positioning rod (202a) is a rubber column.
8. The turbine main shaft maintenance roll-over stand of claim 1, characterized in that: clamping assembly (300), it includes second cylinder (303) and conflict piece (304), second cylinder (303) fixed connection is in the side of fixed plate (103), the side that the end was stretched out at second cylinder (303) is cup jointed in the activity of conflict piece (304), and the right-hand member fixed connection of the side of conflict piece (304) and right side pivot (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123090742.2U CN217046318U (en) | 2021-12-10 | 2021-12-10 | Water turbine main shaft maintenance roll-over stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123090742.2U CN217046318U (en) | 2021-12-10 | 2021-12-10 | Water turbine main shaft maintenance roll-over stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217046318U true CN217046318U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123090742.2U Active CN217046318U (en) | 2021-12-10 | 2021-12-10 | Water turbine main shaft maintenance roll-over stand |
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| Country | Link |
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| CN (1) | CN217046318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119973501A (en) * | 2025-04-14 | 2025-05-13 | 成都大学 | Automatic welding device and method for generator stator |
-
2021
- 2021-12-10 CN CN202123090742.2U patent/CN217046318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119973501A (en) * | 2025-04-14 | 2025-05-13 | 成都大学 | Automatic welding device and method for generator stator |
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