CN215747642U - Special frock is dismantled to hydroelectric set water guide mechanism connecting rod round pin - Google Patents
Special frock is dismantled to hydroelectric set water guide mechanism connecting rod round pin Download PDFInfo
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- CN215747642U CN215747642U CN202121221234.0U CN202121221234U CN215747642U CN 215747642 U CN215747642 U CN 215747642U CN 202121221234 U CN202121221234 U CN 202121221234U CN 215747642 U CN215747642 U CN 215747642U
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Abstract
A special tool for disassembling a connecting rod pin of a water guide mechanism of a hydroelectric generating set is characterized in that a hydraulic motor is arranged on the side surface of an electric jack, and lead screws are arranged on the top of the electric jack and are symmetrically distributed in an annular shape; the upper end snap ring and the lower end snap ring are respectively sleeved in the screw rod, a bolt hole is formed in the center position of the upper end snap ring and the lower end snap ring, and the diameter of the bolt hole is slightly larger than the outer diameter of the connecting rod pin; a hydraulic telescopic rod is arranged inside the electric jack, a cylindrical pin is arranged at the top end of the hydraulic telescopic rod, the cylindrical pin penetrates through a pin hole in a lower end clamping ring and abuts against the lower end face of a connecting rod pin, the upper end face of the connecting rod pin penetrates out of a pin hole in an upper end clamping ring, and a water distributor is clamped between the upper end clamping ring and the lower end clamping ring; the connecting rod pin dismounting device is simple in structure and convenient to operate, can quickly dismount the connecting rod pin of the water distributor, can effectively protect the water distributor in the dismounting process, and can greatly reduce the strength of the dismounting work and reduce the safety risk in the operation process compared with the traditional dismounting mode.
Description
Technical Field
The utility model belongs to the technical field of construction tools, and particularly relates to a special tool for disassembling a connecting rod pin of a water guide mechanism of a water turbine generator set.
Background
When a large-scale power station hydroelectric generating set is overhauled, a special water distributor needs to be decomposed and overhauled, and an operating rod and a guide vane sleeve need to be disassembled from the device and hung out in the overhauling process. During the disassembly of the device, the most important task is to disassemble the link pin. The connecting rod pin is used for connecting the operating rod and the connecting plate in the water distributor, and the existing disassembling method comprises the following steps: i-shaped steel with the length of about 1 meter is erected in a hole of a supporting cover below a connecting rod pin, a 50-ton hydraulic jack is erected on the I-shaped steel for dismounting, a sizing block is required to be arranged below the jack in the dismounting process to adjust the height of the jack, and the jack is required to continuously knock an operating rod and a connecting plate downwards by a sledge hammer in the working process so as to balance acting forces at the upper end and the lower end and prevent the upper end and the lower end from bending and deforming.
The following drawbacks generally exist in the above-described manner:
1. the I-shaped steel is long and heavy, two persons are required to move in a matching mode during laying, part of the water distributors are special in position, the I-shaped steel cannot be placed at the lower end of the water distributors, and early laying work of the I-shaped steel is not facilitated;
2. a sizing block is required to be arranged below the hydraulic jack to adjust the height, and the sizing block is easy to slide down to hurt people during working due to no fixation between the sizing block and the jack;
3. in the process of jacking the connecting rod pin upwards by the jack, due to the stress point, the operating rod and the connecting plate in the water distributor are bent upwards and deformed, and finally the connecting rod pin is blocked in the device, so that the service life of the water distributor is shortened.
Disclosure of Invention
In view of the technical problems in the background art, the special tool for disassembling the connecting rod pin of the water guide mechanism of the water turbine generator set provided by the utility model has the advantages that the tool is simple in structure and convenient to operate, the connecting rod pin of the water guide mechanism in the generator set can be quickly disassembled, the mechanism body can be effectively protected in the disassembling process, and compared with the traditional disassembling mode, the working strength can be greatly reduced, and the safety risk in the operation process can be reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme to realize:
a special tool for disassembling a connecting rod pin of a water guide mechanism of a hydroelectric generating set comprises an electric jack, an upper end clamping ring and a lower end clamping ring, wherein a hydraulic motor is arranged on the side surface of the electric jack, and lead screws are arranged at the top of the electric jack and are symmetrically distributed in an annular mode around the top of the electric jack; the upper end clamping ring and the lower end clamping ring are respectively sleeved on the screw rod, a bolt hole is formed in the center position of the upper end clamping ring and the center position of the lower end clamping ring, and the diameter of the bolt hole is slightly larger than the outer diameter of the connecting rod pin;
electric jack's inside is equipped with hydraulic telescoping rod, the cylindric lock has been placed on hydraulic telescoping rod's top, and the cylindric lock passes and offsets with the lower terminal surface of connecting rod round pin from the bolt hole on the lower extreme snap ring, and the bolt hole on the upper end snap ring is worn out to the up end of connecting rod round pin, and connecting rod round pin, connecting plate and action bars joint in the water guiding mechanism is between upper end snap ring and lower extreme snap ring.
In the preferred scheme, a support nut and a clamping nut are installed on the screw rod, the support nut is arranged on the lower end face of the lower end clamping ring and supports the lower end clamping ring, the clamping nut is arranged on the upper end face of the upper end clamping ring and clamps the upper end clamping ring downwards, the support nut and the clamping nut are in threaded connection with the screw rod, and the positions of the support nut and the clamping nut can be adjusted on the screw rod through rotation.
In the preferred scheme, a clamping plate is arranged on the lower end face of the upper end clamping ring, a limiting ring is arranged on the upper end face of the lower end clamping ring, the clamping plate abuts against the front end of the operating rod of the water distributor during working, the limiting ring abuts against the connecting plate of the water distributor, and the whole water distributor is clamped between the upper end clamping ring and the lower end clamping ring through the clamping plate and the limiting ring.
In a preferred scheme, the diameter of the cylindrical pin is consistent with that of the connecting rod pin, the device is provided with a plurality of cylindrical pins with different specifications, and a user can adjust the diameter and the length of the cylindrical pin according to the field situation.
This patent can reach following beneficial effect:
1. when the tool is used, I-shaped steel about 1 m does not need to be laid in advance, the working strength can be greatly reduced, the tool can be used at various special positions, and the overhaul period can be shortened;
2. the tool can automatically adjust the connection distance between the jack and the connecting rod pin, and no additional sizing block is needed in the use process of the tool, so that the safety risk in the operation process is reduced;
3. the tool can change the stress point of the water distributor in the disassembling process, avoids the upward bending deformation of the operating rod and the connecting plate due to stress, and prolongs the service life of the water distributor.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a bottom view of the overall structure of the present invention;
FIG. 3 is a plan view of the overall structure of the present invention;
FIG. 4 is a schematic view of the structure of the upper and lower end retainer rings of the present invention;
FIG. 5 is a second schematic view of the upper and lower end retainer rings of the present invention;
fig. 6 is a schematic structural view of the water distributor of the present invention.
In the figure: the hydraulic lifting device comprises an electric jack 1, a hydraulic motor 2, a hydraulic telescopic rod 3, a cylindrical pin 4, a screw rod 5, a lower end clamping ring 6, a limiting ring 6-1, an upper end clamping ring 7, a clamping plate 7-1, a supporting nut 8-1, a clamping nut 8-2, an operating rod 9-1, a rod pin 9-2 and a connecting plate 9-3.
Detailed Description
As shown in fig. 1 to 3, a special tool for disassembling a connecting rod pin of a water distributor of a hydroelectric generating set comprises an electric jack 1, an upper end snap ring 7 and a lower end snap ring 6, wherein a hydraulic motor 2 is installed on the side surface of the electric jack 1 and provides power for the electric jack 1, a screw rod 5 is installed on the top of the electric jack 1, the screw rod 5 is annularly and symmetrically distributed around the top of the electric jack 1, the number of the screw rods 5 is 3, the upper end snap ring 7 and the lower end snap ring 6 are respectively sleeved on the screw rod 5, the upper end snap ring 7 and the lower end snap ring 6 can slide up and down along the screw rod 5, a pin hole is formed in the center position of the upper end snap ring 7 and the lower end snap ring 6, and the diameter of the pin hole is slightly larger than the outer diameter of the connecting rod pin 9-2;
the hydraulic telescopic rod 3 is arranged in the electric jack 1, the electric jack 1 can control the hydraulic telescopic rod 3 to do up-and-down stretching movement, the cylindrical pin 4 is placed at the top end of the hydraulic telescopic rod 3, the cylindrical pin 4 penetrates through a pin hole in the lower end clamping ring 6 and abuts against the lower end face of the connecting rod pin 9-2, the upper end face of the connecting rod pin 9-2 penetrates out of a pin hole in the upper end clamping ring 7, when the electric jack 1 controls the hydraulic telescopic rod 3 to stretch upwards, the hydraulic telescopic rod 3 jacks up the cylindrical pin 4 again, and the cylindrical pin 4 finally jacks up the connecting rod pin 9-2 from a pin hole in the upper end clamping ring 7, so that the whole disassembling work is completed; a connecting rod pin 9-2 in the water distributor is connected with an operating rod 9-1 and a connecting plate 9-3 in a penetrating mode, and the whole water distributor is clamped between an upper end clamping ring 7 and a lower end clamping ring 6 when in work.
Preferably, as shown in fig. 2 and 4, a support nut 8-1 and a clamping nut 8-2 are arranged on the screw rod 5, the support nut 8-1 is arranged at the lower end surface of the lower end snap ring 6 and supports the lower end snap ring 6, the clamping nut 8-2 is arranged at the upper end surface of the upper end snap ring 7 and clamps the upper end snap ring 7 downwards, and the support nut 8-1 and the clamping nut 8-2 are in threaded connection with the screw rod 5;
after the supporting nut 8-1 is adjusted in position on the screw rod 5 through rotation, the lower end clamping ring 6 is placed on the supporting nut 8-1, the water distributor is placed on the lower end clamping ring 6, finally the upper end clamping ring 7 is placed above the water distributor, and the clamping nut 8-2 is screwed so that the upper end clamping ring 7 and the lower end clamping ring 6 clamp the water distributor tightly.
The preferable scheme is as shown in fig. 4 and 5, a clamping plate 7-1 is arranged on the lower end face of an upper end clamping ring 7, a limiting ring 6-1 is arranged on the upper end face of a lower end clamping ring 6, the clamping plate 7-1 is abutted against the front end of a water distributor operating rod 9-1 during work, the limiting ring 6-1 is abutted against a water distributor connecting plate 9-3, and the positions of the operating rod 9-1 and the connecting plate 9-3 in the water distributor can be fixed through a screw rod 5 and the upper and lower end clamping rings;
when the cylindrical pin 4 pushes out the connecting rod pin 9-2 upwards, the clamping plate 7-1 exerts downward acting force on the spherical socket at the front end of the operating rod 9-1, the limiting ring 6-1 exerts upward acting force on the connecting plate 9-3, the stress point of the water guide mechanism during working is changed, and simultaneously, the acting forces on the operating rod 9-1 and the connecting plate 9-3 are mutually offset, so that the forced bending of the operating rod 9-1 and the connecting plate 9-3 can be avoided, and the operation of equipment is protected.
In the preferred embodiment, as shown in fig. 1 to 5, the diameter of the cylindrical pin 4 is consistent with that of the connecting rod pin 9-2, the device is provided with a plurality of cylindrical pins 4 with different specifications, and a user can adjust the diameter and the length of the cylindrical pin 4 according to the diameter and the height of the connecting rod pin 9-2 on site.
The working principle of the whole device is as follows:
1. when disassembly is carried out, the position of the support nut 8-1 on the screw rod 5 is adjusted according to the height of the water distributor, after the adjustment is finished, the lower end clamping ring 6 is placed on the support nut 8-1, then the water distributor is placed on the lower end clamping ring 6, finally the upper end clamping ring 7 is placed above the water distributor, and the clamping nut 8-2 is screwed so that the upper end clamping ring 7 and the lower end clamping ring 6 clamp the water distributor;
2. the cylindrical pin 4 is arranged between the hydraulic jack 1 and the water guiding mechanism, so that the cylindrical pin 4 penetrates through a pin hole in the lower end clamping ring 6 and is abutted against the lower end face of the connecting rod pin 9-2, and the upper end face of the connecting rod pin 9-2 penetrates out of a pin hole in the upper end clamping ring 7;
3. the hydraulic jack 1 is started, the hydraulic jack 1 controls the hydraulic telescopic rod 3 to extend upwards, the hydraulic telescopic rod 3 jacks up the cylindrical pin 4, and the cylindrical pin 4 can eject the connecting rod pin 9-2 out of the pin hole in the upper end clamping ring 7, so that the whole mechanism is disassembled.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (4)
1. The utility model provides a special frock is dismantled to hydroelectric set water guide mechanism connecting rod round pin, includes electric jack (1), upper end snap ring (7) and lower extreme snap ring (6), its characterized in that: a hydraulic motor (2) is arranged on the side face of the electric jack (1), a screw rod (5) is arranged on the top of the electric jack (1), and the screw rods (5) are annularly and symmetrically distributed around the top of the electric jack (1); the upper end clamping ring (7) and the lower end clamping ring (6) are respectively sleeved on the screw rod (5), a plug pin hole is formed in the center positions of the upper end clamping ring (7) and the lower end clamping ring (6), and the diameter of the plug pin hole is slightly larger than the outer diameter of the connecting rod pin (9-2);
the hydraulic telescopic rod (3) is arranged inside the electric jack (1), the cylindrical pin (4) is placed on the top end of the hydraulic telescopic rod (3), the cylindrical pin (4) penetrates through a pin hole in the lower end clamping ring (6) and is abutted to the lower end face of the connecting rod pin (9-2), the upper end face of the connecting rod pin (9-2) penetrates out of a pin hole in the upper end clamping ring (7), and the connecting rod pin (9-2), the connecting plate (9-3) and the operating rod (9-1) in the water guide mechanism are connected between the upper end clamping ring (7) and the lower end clamping ring (6) in a clamping mode.
2. The special frock is dismantled to hydroelectric set water distributor connecting rod round pin according to claim 1, characterized in that: the screw rod (5) is provided with a support nut (8-1) and a clamping nut (8-2), the support nut (8-1) is arranged at the lower end face of the lower end clamping ring (6) and supports the lower end clamping ring (6), the clamping nut (8-2) is arranged at the upper end face of the upper end clamping ring (7) and clamps the upper end clamping ring (7) downwards, the support nut (8-1) and the clamping nut (8-2) are in threaded connection with the screw rod (5), and the support nut (8-1) and the clamping nut (8-2) can be rotated to adjust positions on the screw rod (5).
3. The special frock is dismantled to hydroelectric set water distributor connecting rod round pin according to claim 1, characterized in that: a clamping plate (7-1) is arranged on the lower end face of the upper end clamping ring (7), a limiting ring (6-1) is arranged on the upper end face of the lower end clamping ring (6), the clamping plate (7-1) abuts against the front end of the water distributor operating rod (9-1) in work, the limiting ring (6-1) abuts against the water distributor connecting plate (9-3), and the whole water distributor is clamped between the upper end clamping ring (7) and the lower end clamping ring (6) through the clamping plate (7-1) and the limiting ring (6-1).
4. The special frock is dismantled to hydroelectric set water distributor connecting rod round pin according to claim 1, characterized in that: the diameter of the cylindrical pin (4) is consistent with that of the connecting rod pin (9-2), the device is provided with a plurality of cylindrical pins (4) with different specifications, and a user can adjust the diameter and the length of the cylindrical pin (4) according to the field condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121221234.0U CN215747642U (en) | 2021-06-02 | 2021-06-02 | Special frock is dismantled to hydroelectric set water guide mechanism connecting rod round pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121221234.0U CN215747642U (en) | 2021-06-02 | 2021-06-02 | Special frock is dismantled to hydroelectric set water guide mechanism connecting rod round pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215747642U true CN215747642U (en) | 2022-02-08 |
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ID=80099706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121221234.0U Active CN215747642U (en) | 2021-06-02 | 2021-06-02 | Special frock is dismantled to hydroelectric set water guide mechanism connecting rod round pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215747642U (en) |
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2021
- 2021-06-02 CN CN202121221234.0U patent/CN215747642U/en active Active
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