CN214686316U - Special tool for dismantling multi-model pins - Google Patents
Special tool for dismantling multi-model pins Download PDFInfo
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- CN214686316U CN214686316U CN202120897698.7U CN202120897698U CN214686316U CN 214686316 U CN214686316 U CN 214686316U CN 202120897698 U CN202120897698 U CN 202120897698U CN 214686316 U CN214686316 U CN 214686316U
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- screw rod
- pin
- pulling screw
- pin pulling
- cross beam
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Abstract
The utility model relates to a hydroelectric generation machinery maintenance field, polytypic pin demolish specialized tool promptly. The stress beam is provided with support screws which penetrate from top to bottom at two sides, and the support screws are connected with the stress beam through threaded holes; the middle of the stressed cross beam is provided with a pin pulling screw rod which penetrates through the stressed cross beam, and the pin pulling screw rod is connected with the stressed cross beam through reverse threads; the bottom end surface of the pin pulling screw rod is provided with an internal thread hole connected with the pin pulling screw rod joint; the pin pulling screw rod joint is provided with a hexagonal shaft shoulder used for screwing in the middle, and two sides of the hexagonal shaft shoulder are provided with threaded rods. Simple structure, convenient operation, use manpower sparingly, the security is high, has improved work efficiency, has reduced workman's intensity of labour and has shortened the maintenance period.
Description
Technical Field
The utility model relates to a hydroelectric generation machinery maintenance field, polytypic pin demolish specialized tool promptly.
Background
In the prior art, hydroelectric power plant vertical scroll suspension type hydroelectric set's hydraulic turbine is the mixed flow type, because each part of hydraulic turbine adopts multiple model pin location, need carry out each part and demolish work when the unit overhaul, often adopt the crowbar to prize out when demolising each part pin in the past, or adopt electric spanner to add interim packing ring. The traditional process has low efficiency, manpower waste, high labor intensity and high danger, and in order to solve the series of problems, a set of special dismantling tools for pins with different specifications needs to be designed and manufactured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the aforesaid not enough and provide a rational in infrastructure, safe high-efficient, the function is various, and labour saving and time saving's polytypic pin demolishs specialized tool.
The technical solution of the utility model is that: the special tool for removing the pins in the multiple models is characterized by comprising a stressed cross beam, wherein two sides of the stressed cross beam are provided with supporting screws which penetrate through the stressed cross beam from top to bottom, and the supporting screws are connected with the stressed cross beam through threaded holes; the middle of the stressed cross beam is provided with a pin pulling screw rod which penetrates through the stressed cross beam, and the pin pulling screw rod is connected with the stressed cross beam through reverse threads; the bottom end surface of the pin pulling screw rod is provided with an internal thread hole connected with the pin pulling screw rod joint; the pin pulling screw rod joint is provided with a hexagonal shaft shoulder used for screwing in the middle, and two sides of the hexagonal shaft shoulder are provided with threaded rods.
And a plurality of pin-pulling screw joints with different thread diameters are configured.
The utility model has the advantages that: 1. simple structure, convenient operation, use manpower sparingly, the security is high, has improved work efficiency, has reduced workman's intensity of labour and has shortened the maintenance period. 2. Various joints can be prepared aiming at the internal thread pins and the external thread pins, the pulling-out work of various pins is realized, and the pin pulling process method is simplified.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic top view of the force beam.
FIG. 3 is a schematic view of a pin puller screw configuration.
Fig. 4 is a schematic view of a support screw structure.
Figure 5 is a schematic view of a hexagonal shoulder configuration.
Detailed Description
Referring to fig. 1-5, the part names are as follows: stress beam 1, supporting screw 2, pin screw 3, pin screw joint 4, internal thread hole 5, hexagon shoulder 6, threaded rod 7, pin 8, screw hole 9.
Referring to fig. 1-5, the special tool for removing the pins in various models comprises a stress beam 1 (a thick steel plate), wherein two sides of the stress beam 1 are provided with support screws 2 (the surfaces of the support screws are provided with threads) which penetrate through the stress beam 1 from top to bottom, and the support screws 2 are connected with the stress beam 1 through threaded holes 9; the middle of the stressed cross beam 1 is provided with a pin pulling screw rod 3 (the surface is provided with threads), and the pin pulling screw rod 3 is connected with the stressed cross beam 1 through reverse threads to change the stress direction of the screw rod. The bottom end surface of the pin pulling screw rod 3 is provided with an internal thread hole 5 connected with a pin pulling screw rod joint 4; the pin-pulling screw joint 4 is provided with a hexagonal shaft shoulder 6 used for screwing in the middle, and two sides of the hexagonal shaft shoulder 6 are provided with threaded rods 7.
Referring to fig. 5, a plurality of pin-and-bolt joints 4 (e.g., M10, M12, M16, M20, M24, etc.) of different thread diameters are also provided.
According to different parts structures on site, the pin models are different, the pin-pulling screw rod joints 4 with various types are combined in a variable mode (the pin-pulling screw rod joints 4 adopt different thread diameters to adapt to the types of the inner holes of the pins 8), the pin-pulling screw rod joints 4 with different types can be replaced, the pins 8 with different specifications can be removed, and the removal work of the pins 8 with various types can be completed.
Referring to fig. 1, the pin pulling screw rod 3 adopts a reverse thread (the reverse thread is opposite to the thread of the support screw rod 2), when the pin pulling screw rod 3 rotates clockwise, a reaction force is generated between the pin pulling screw rod and the stressed cross beam 1 and the pin 8, the support screw rod 2 pushes downwards and tightly pushes against a component, the pin 8 moves upwards, and therefore the work of removing the pin 8 is completed.
The working principle and the using steps are as follows:
according to different parts and structures on site and different types of pins 8, the replaceable different types of pin pulling screw rod joints 4 are adopted to finish the removal work of the pins 8 of multiple types.
And carrying out dismantling in various dismantling modes. According to the position that the pin 8 exists and the difference of elasticity, according to the operation space of difference, can rationally select to adopt electric tool rotatory, manual spanner cooperation, synchronous jack jacks out three kinds of modes and accomplishes pin 8 and demolish work. When meeting the tight pin 8, the height of the supporting screw rod 2 is selected to be adjusted, the pin screw rod 3 is screwed into the threaded hole of the pin 8 by matching with the height of the jack, and the pin 8 can be pulled out by matching with an electric wrench when the jack is used.
The application prospect is as follows: after the special tool for removing the pins of the multiple models is successfully developed, the use effect is obvious in the integral modification of the unit, the working safety is improved, the cost of manpower and material resources is reduced, and the working efficiency is improved. The process that the conventional process that the electric welding is matched with the welding nut and the gasket is additionally installed to remove the pin by using the wrench is reduced, and the special pin for the field equipment is protected. The pin dismantling device is suitable for most hydroelectric generating sets, is also suitable for pin dismantling work of various mechanical equipment, and has wide application prospect and popularization value.
The above description is only exemplary of the present invention, and the various illustrations do not limit the essence of the present invention.
Claims (2)
1. The special tool for removing the pins in the multiple models is characterized by comprising a stressed cross beam (1), wherein two sides of the stressed cross beam (1) are provided with supporting screws (2) which penetrate through the stressed cross beam from top to bottom, and the supporting screws (2) are connected with the stressed cross beam (1) through threaded holes (9); the middle of the stress beam (1) is provided with a pin pulling screw rod (3) which penetrates through the stress beam, and the pin pulling screw rod (3) is connected with the stress beam (1) through reverse threads; the bottom end surface of the pin pulling screw rod (3) is provided with an internal thread hole (5) connected with the pin pulling screw rod joint (4); the pin pulling screw rod joint (4) is provided with a hexagonal shaft shoulder (6) used for screwing in the middle, and two sides of the hexagonal shaft shoulder (6) are provided with threaded rods (7).
2. Special tool for the removal of pins of various types according to claim 1, characterised in that it is equipped with a plurality of pin-extracting screw joints (4) of different thread diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120897698.7U CN214686316U (en) | 2021-04-28 | 2021-04-28 | Special tool for dismantling multi-model pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120897698.7U CN214686316U (en) | 2021-04-28 | 2021-04-28 | Special tool for dismantling multi-model pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214686316U true CN214686316U (en) | 2021-11-12 |
Family
ID=78534528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120897698.7U Active CN214686316U (en) | 2021-04-28 | 2021-04-28 | Special tool for dismantling multi-model pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214686316U (en) |
-
2021
- 2021-04-28 CN CN202120897698.7U patent/CN214686316U/en active Active
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