CN219521980U - Heavy hammer type universal pin puller for nuclear power - Google Patents
Heavy hammer type universal pin puller for nuclear power Download PDFInfo
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- CN219521980U CN219521980U CN202320385523.7U CN202320385523U CN219521980U CN 219521980 U CN219521980 U CN 219521980U CN 202320385523 U CN202320385523 U CN 202320385523U CN 219521980 U CN219521980 U CN 219521980U
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- Prior art keywords
- heavy hammer
- weight
- guide rail
- screw rod
- fixed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model provides a heavy hammer type universal pin puller for nuclear power, which comprises a heavy hammer, a heavy hammer guide rail, a heavy hammer baffle, a static joint and a screw rod; the two ends of the heavy hammer guide rail are respectively fixed with a heavy hammer baffle and a static joint; the heavy hammer is in a hollow column shape, is sleeved on the outer surface of the heavy hammer guide rail, and moves back and forth between the heavy hammer baffle and the static joint along the axial direction of the heavy hammer guide rail; one end of the screw rod is fixed on one end of the static joint far away from the heavy hammer guide rail, and the other end of the screw rod is provided with external threads which are in threaded connection with the internal threaded holes of the positioning pins; after the screw rod penetrates into the internal thread hole of the locating pin to form thread fixed connection, kinetic energy is transmitted to the screw rod to drive the screw rod to move towards the heavy hammer baffle plate by driving the heavy hammer to move towards the heavy hammer baffle plate and impacting the heavy hammer baffle plate for multiple times, so that the locating pin is pulled out. By implementing the utility model, the disassembly stress mode of the locating pin is changed to adapt to the disassembly of the locating pin at different positions, so that the operation is simple, the time and the labor are saved, and the management and the cost control are easy.
Description
Technical Field
The utility model relates to the technical field of maintenance of nuclear power mechanical equipment, in particular to a heavy hammer type universal pin puller for nuclear power.
Background
In the nuclear power mechanical equipment, the matching size requirements of all parts of the pump and the fan are strict, the relative size needs to be ensured to meet the matching requirements during installation, and all parts are required to have no relative movement during operation, so that the positions of the end cover, the bottom plate, the bearing chamber and the like are all positioned by means of positioning pins.
In the prior art, the top of the locating pin is provided with an internal thread, and the locating pin is disassembled by rotating the screw rod upper nut in a sleeve, cross beam, screw rod and nut mode. However, this approach has the following disadvantages: (1) The positioning pin is disassembled by means of rotation of the nut on the screw rod, and when the positioning pin is biased, the screw rod and the nut are easy to slide; (2) The tooth distance of the nut is smaller, and the positioning pin is detached by rotating the nut, so that time and labor are wasted; (3) The specifications of the positioning pins of the pump and the fan are various, sleeves, cross beams, screw rods and nuts with various specifications are required to be manufactured and prepared, and tool management and maintenance are difficult; (4) Individual locating pins are located at the edges of the component and it is difficult to effectively place the sleeve.
Therefore, it is necessary to design a heavy hammer type universal pin puller for nuclear power, which is suitable for disassembling positioning pins at different positions by changing the disassembling stress mode of the positioning pins, and has simple structure and easy cost control.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide the heavy hammer type universal pin puller for nuclear power, which is applicable to the disassembly of positioning pins at different positions by changing the disassembly stress mode of the positioning pins, and has the advantages of simple operation, time and labor saving, easy management and cost control.
In order to solve the technical problems, the embodiment of the utility model provides a heavy hammer type universal pin puller for nuclear power, which is matched with a positioning pin with an internally threaded hole at the top and comprises a heavy hammer, a heavy hammer guide rail, a heavy hammer baffle plate, a static joint and a screw rod; wherein, the liquid crystal display device comprises a liquid crystal display device,
one end of the heavy hammer guide rail is fixed with the heavy hammer baffle plate, and the other end of the heavy hammer guide rail is fixed with the static joint;
the heavy hammer is in a hollow column shape, is sleeved on the outer surface of the heavy hammer guide rail, and moves back and forth between the heavy hammer baffle plate and the static joint along the axial direction of the heavy hammer guide rail;
one end of the screw rod is fixed on one end of the static joint, which is far away from the heavy hammer guide rail, and the other end of the screw rod is provided with external threads which are in threaded connection with the internal threaded holes of the positioning pins;
after the screw rod penetrates into the internal threaded hole of the locating pin to form threaded fixed connection, kinetic energy is transmitted to the screw rod to drive the screw rod to move towards the heavy hammer baffle plate by driving the heavy hammer to move towards the heavy hammer baffle plate and impacting the heavy hammer baffle plate for multiple times, so that the locating pin is pulled out.
Wherein, still include: a weight handle; wherein, the weight handle is fixed on the outer surface of the weight along the radial direction of the weight.
Wherein the weight handles are two round bars; the two round bars take the central axis of the heavy hammer as a symmetrical axis to form a bilateral symmetry structure, and the two round bars are fixed with the heavy hammer in a threaded connection mode.
Wherein, still include: a movable joint and an extension rod; wherein, the liquid crystal display device comprises a liquid crystal display device,
one end of the movable joint is fixed with one end of the heavy hammer guide rail, which is far away from the static joint, and the other end of the movable joint is fixed with one end of the extension rod;
the other end of the extension rod is fixed with the heavy hammer baffle, the heavy hammer is sleeved on the outer surface of the extension rod, and the heavy hammer moves back and forth between the heavy hammer baffle and the movable joint along the axial direction of the extension rod.
Wherein, the weight baffle is fixed with the extension rod through a threaded connection mode.
Wherein, the external thread specification formed by the screw rod is one of M6, M8, M10, M12 and M16.
The heavy hammer, the heavy hammer guide rail, the heavy hammer baffle plate, the static joint, the screw rod, the heavy hammer handle, the movable joint and the extension rod are all made of stainless steel or carbon steel.
The embodiment of the utility model has the following beneficial effects:
according to the pin puller, after the screw rod with the external threads penetrates into the internal threaded hole of the locating pin to form threaded fixed connection, kinetic energy is transmitted to the screw rod to drive the screw rod to move towards the heavy hammer baffle in a mode of driving the heavy hammer to move towards the heavy hammer baffle for multiple times and impacting the heavy hammer baffle, so that the locating pin is pulled out, the detachment stress mode of the traditional locating pin is changed, the pin puller is suitable for detachment of locating pins at different positions, and the pin puller is simple in operation, time-saving and labor-saving, and easy to manage and control cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
Fig. 1 is a schematic perspective view of a general pin puller for nuclear power heavy hammer according to a first embodiment of the present utility model;
fig. 2 is a schematic perspective view of another general-purpose pin puller for nuclear power according to the second embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1, in a first embodiment of the present utility model, a weight type universal pin puller for nuclear power is provided, which is matched with a positioning pin (not shown) with an internal threaded hole at the top, and comprises a weight 1, a weight guide rail 2, a weight baffle 3, a static joint 4 and a screw rod 5; wherein, the liquid crystal display device comprises a liquid crystal display device,
the heavy hammer guide rail 2 is made of stainless steel or carbon steel, one end of the heavy hammer guide rail is fixedly provided with a heavy hammer baffle plate 1 in a threaded connection mode, and the other end of the heavy hammer guide rail is fixedly provided with a static joint 4 in a threaded connection mode; wherein, the heavy hammer baffle 3 and the static joint 4 are made of stainless steel or carbon steel;
the heavy hammer 1 is a hollow column (such as a cylinder) made of stainless steel or carbon steel, is in a hollow column shape, is sleeved on the outer surface of the heavy hammer guide rail 2, and moves back and forth between the heavy hammer baffle 3 and the static joint 4 along the axial direction of the heavy hammer guide rail 2; it should be noted that the weight 1 should have a sufficient volume and weight to form an effective impact force or impact force when the weight baffle 3 is impacted, and the weight baffle 3 and the static joint 4 are both stoppers of the weight 1, so that the weight 1 will not fall off the weight guide rail 2 during the movement;
the screw rod 5 is made of stainless steel or carbon steel, one end of the screw rod is fixed on one end of the static joint 4, which is far away from the heavy hammer guide rail 2, and the other end of the screw rod is provided with external threads (not shown) which are in threaded connection with the internal threaded holes of the positioning pins;
after the screw rod 5 penetrates into the internal thread hole of the positioning pin to form a thread fixed connection, kinetic energy is transferred to the screw rod 5 to drive the screw rod 5 to move towards the weight baffle 3 (such as vibration upwards) in a mode of driving the weight 1 to move towards the weight baffle 3 and impacting the weight baffle 3 for multiple times, so that the positioning pin is pulled out.
It can be understood that the end of the static joint 4 fixed to the screw rod 5 can be made into internal threads with different specifications such as M6, M8, M10, M12, M16, etc. to match the screw rod 5 with the same thread specification, so that the external thread specification formed by the screw rod 5 should be one of M6, M8, M10, M12 and M16.
In order to facilitate the application of force and convenient operation, the pin puller according to the first embodiment of the present utility model further comprises: a heavy hammer handle 6 made of stainless steel or carbon steel; wherein, the weight handle 6 is fixed on the outer surface of the weight 1 along the radial direction of the weight 1. In one example, the weight handles 6 are provided as two round bars; the two round bars take the central axis of the heavy hammer 1 as a symmetrical axis to form a bilateral symmetry structure, and the two round bars are fixed with the heavy hammer 1 in a threaded connection mode.
The specific using mode process of the heavy hammer type universal pin puller for nuclear power in the first embodiment of the utility model is as follows:
(1) The heavy hammer handle 6 is arranged at the left side and the right side of the heavy hammer 1 through threaded connection;
(2) Sleeving the weight 1 and the weight handle 6 assembly at the weight guide rail 2;
(3) A heavy hammer baffle 3 is arranged on the top of the heavy hammer guide rail through threads;
(4) The bottom of the heavy hammer guide rail 2 is provided with static joints 4 with different specifications (joint specifications are selected according to the internal thread size of the locating pin);
(5) A screw rod 5 is arranged on the other side of the static joint 4 with different specifications;
(6) Screwing the screw rod 5 into an internal threaded hole of the positioning pin;
(7) The weight 1 is arranged at the lower part, the weight handle 6 is pulled rapidly, and after the weight 1 impacts the weight baffle 4, the kinetic energy is transferred to the locating pin to pull out the locating pin.
As shown in fig. 2, in a second embodiment of the present utility model, another general-purpose pin puller for nuclear power is provided, which is matched with a positioning pin (not shown) with an internal threaded hole at the top, and comprises a weight 1, a weight guide rail 2, a weight baffle 3, a static joint 4, a screw rod 5, a weight handle 6, a movable joint 7 and an extension rod 8; wherein, the liquid crystal display device comprises a liquid crystal display device,
the heavy hammer guide rail 2 is made of stainless steel or carbon steel, one end of the heavy hammer guide rail is fixed with one end of the movable joint 7 in a threaded connection mode, and the other end of the heavy hammer guide rail is fixed with the static joint 4 in a threaded connection mode; wherein, the static joint 4 is made of stainless steel or carbon steel;
the extension rod 8 is made of stainless steel or carbon steel, one end of the extension rod is fixed with the other end of the movable joint 7 in a threaded connection mode, and the other end of the extension rod is fixed with the heavy hammer baffle 3 in a threaded connection mode; wherein, the heavy hammer baffle 3 is made of stainless steel or carbon steel;
the heavy hammer 1 is a hollow column (such as a cylinder) made of stainless steel or carbon steel, is in a hollow column shape, is sleeved on the outer surface of the extension rod 8, and moves back and forth between the heavy hammer baffle 3 and the movable joint 7 along the axial direction of the extension rod 8; it should be noted that, the weight 1 should have a sufficient volume and weight to form an effective impact force or impact force when the weight baffle 3 is impacted, and the weight baffle 3 and the movable joint 7 are both stoppers of the weight 1, so that the weight 1 will not fall off the extension rod 8 during the movement;
the weight handle 6 is made of stainless steel or carbon steel, and is fixed on the outer surface of the weight 1 along the radial direction of the weight 1; in one example, the weight handles 6 are provided as two round bars; the two round bars take the central axis of the heavy hammer 1 as a symmetrical axis to form a bilateral symmetry structure, and are fixed with the heavy hammer 1 in a threaded connection mode;
the screw rod 5 is made of stainless steel or carbon steel, one end of the screw rod is fixed on one end of the static joint 4, which is far away from the heavy hammer guide rail 2, and the other end of the screw rod is provided with external threads (not shown) which are in threaded connection with the internal threaded holes of the positioning pins;
after the screw rod 5 penetrates into the internal thread hole of the positioning pin to form a thread fixed connection, kinetic energy is transferred to the screw rod 5 to drive the screw rod 5 to move towards the weight baffle 3 (such as vibration upwards) in a mode of driving the weight 1 to move towards the weight baffle 3 and impacting the weight baffle 3 for multiple times, so that the positioning pin is pulled out.
It can be understood that the end of the static joint 4 fixed to the screw rod 5 can be made into internal threads with different specifications such as M6, M8, M10, M12, M16, etc. to match the screw rod 5 with the same thread specification, so that the external thread specification formed by the screw rod 5 should be one of M6, M8, M10, M12 and M16.
It can be understood that the extension rod 8 and the weight guide rail 2 are only different in length, and can be used interchangeably, when the tightening force of the locating pin is too large, the extension rod 8 can be used for replacing the weight guide rail 2, so that the stroke of the weight 1 is increased, and the pin pulling force is further increased.
Therefore, according to the heavy hammer type universal pin puller for nuclear power, the disassembly work of positioning pins with different specifications can be realized through replacing the connector, the preparation work is reduced, meanwhile, the pin pulling can be transmitted through the kinetic energy of the heavy hammer, the time and the labor are saved, and the working efficiency is improved. In addition, the heavy hammer type universal pin puller for nuclear power in the first embodiment and the second embodiment of the utility model can detach the positioning pin at a special position, so that the raw materials are cheap and easy to obtain, the cost is easy to control, and the tool is single and easy to manage.
The heavy hammer type universal pin puller for nuclear power in the second embodiment of the utility model is only aimed at a positioning pin with larger tightening force, and the using mode is similar to the specific using mode of the heavy hammer type universal pin puller for nuclear power in the first embodiment of the utility model, but the heavy hammer guide rail 2 is replaced by the extension rod 8, and the kinetic energy of the heavy hammer 1 is improved by increasing the stroke of the heavy hammer 1, so that the pin pulling force is improved. Therefore, the specific usage is referred to as a specific usage of the heavy hammer type universal pin puller for nuclear power in the first embodiment of the present utility model, and will not be described herein.
Similarly, for positioning pins with special positions (such as a cantilever bearing chamber, the length of the bearing chamber is larger, but the pins are positioned on the bearing chamber seat), a plurality of extension rods 8 can be added for pulling out the pins.
The embodiment of the utility model has the following beneficial effects:
according to the pin puller, after the screw rod with the external threads penetrates into the internal threaded hole of the locating pin to form threaded fixed connection, kinetic energy is transmitted to the screw rod to drive the screw rod to move towards the heavy hammer baffle in a mode of driving the heavy hammer to move towards the heavy hammer baffle for multiple times and impacting the heavy hammer baffle, so that the locating pin is pulled out, the detachment stress mode of the traditional locating pin is changed, the pin puller is suitable for detachment of locating pins at different positions, and the pin puller is simple in operation, time-saving and labor-saving, and easy to manage and control cost.
The above disclosure is only a preferred embodiment of the present utility model, and it is needless to say that the scope of the utility model is not limited thereto, and therefore, the equivalent changes according to the claims of the present utility model still fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a general pin puller of weight formula for nuclear power, it cooperates with the locating pin that has the internal thread hole in top, its characterized in that includes weight, weight guide rail, weight baffle, quiet joint and lead screw; wherein, the liquid crystal display device comprises a liquid crystal display device,
one end of the heavy hammer guide rail is fixed with the heavy hammer baffle plate, and the other end of the heavy hammer guide rail is fixed with the static joint;
the heavy hammer is in a hollow column shape, is sleeved on the outer surface of the heavy hammer guide rail, and moves back and forth between the heavy hammer baffle plate and the static joint along the axial direction of the heavy hammer guide rail;
one end of the screw rod is fixed on one end of the static joint, which is far away from the heavy hammer guide rail, and the other end of the screw rod is provided with external threads which are in threaded connection with the internal threaded holes of the positioning pins;
after the screw rod penetrates into the internal threaded hole of the locating pin to form threaded fixed connection, kinetic energy is transmitted to the screw rod to drive the screw rod to move towards the heavy hammer baffle plate by driving the heavy hammer to move towards the heavy hammer baffle plate and impacting the heavy hammer baffle plate for multiple times, so that the locating pin is pulled out.
2. The universal counter weight pin puller for nuclear power of claim 1, further comprising: a weight handle; wherein, the weight handle is fixed on the outer surface of the weight along the radial direction of the weight.
3. The universal counter weight pin remover for nuclear power according to claim 2, wherein the counter weight handles are two round bars; the two round bars take the central axis of the heavy hammer as a symmetrical axis to form a bilateral symmetry structure, and the two round bars are fixed with the heavy hammer in a threaded connection mode.
4. The universal counter weight pin puller for nuclear power according to claim 3, further comprising: a movable joint and an extension rod; wherein, the liquid crystal display device comprises a liquid crystal display device,
one end of the movable joint is fixed with one end of the heavy hammer guide rail, which is far away from the static joint, and the other end of the movable joint is fixed with one end of the extension rod;
the other end of the extension rod is fixed with the heavy hammer baffle, the heavy hammer is sleeved on the outer surface of the extension rod, and the heavy hammer moves back and forth between the heavy hammer baffle and the movable joint along the axial direction of the extension rod.
5. The universal weight pin puller for nuclear power according to claim 4, wherein the weight baffle is fixed with the extension rod by means of a threaded connection.
6. The universal counter weight pin puller for nuclear power according to claim 5, wherein the screw has an external thread with one of the specifications of M6, M8, M10, M12 and M16.
7. The universal weight pin puller for nuclear power according to claim 6, wherein the weight, the weight guide rail, the weight baffle, the static joint, the screw rod, the weight handle, the movable joint and the extension rod are all made of stainless steel or carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320385523.7U CN219521980U (en) | 2023-03-03 | 2023-03-03 | Heavy hammer type universal pin puller for nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320385523.7U CN219521980U (en) | 2023-03-03 | 2023-03-03 | Heavy hammer type universal pin puller for nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219521980U true CN219521980U (en) | 2023-08-15 |
Family
ID=87584229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320385523.7U Active CN219521980U (en) | 2023-03-03 | 2023-03-03 | Heavy hammer type universal pin puller for nuclear power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219521980U (en) |
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2023
- 2023-03-03 CN CN202320385523.7U patent/CN219521980U/en active Active
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