CN216687059U - Hoisting device for nuclear power overhaul - Google Patents
Hoisting device for nuclear power overhaul Download PDFInfo
- Publication number
- CN216687059U CN216687059U CN202122694820.3U CN202122694820U CN216687059U CN 216687059 U CN216687059 U CN 216687059U CN 202122694820 U CN202122694820 U CN 202122694820U CN 216687059 U CN216687059 U CN 216687059U
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- fixed
- lugs
- semi
- rings
- connecting rod
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Abstract
The utility model discloses a hoisting device for nuclear power overhaul, which comprises two fixed semi-rings, a first fixed lug, a second fixed lug, a guide rod, a connecting rod, a guide hole, a screw rod, a nut and a lifting lug, wherein the two fixed semi-rings are provided with the lifting lug at the sides far away from each other, the two fixed semi-rings are encircled into a ring, the joint of the two fixed semi-rings is provided with the two first fixed lugs and the two second fixed lugs, the two first fixed lugs are fixed on the outer ring body of one fixed semi-ring, the two second fixed lugs are fixed on the outer ring body of the other fixed semi-ring, the first fixed lugs are tightly attached to the second fixed lugs, and the side, close to the second fixed lugs, of the first fixed lugs is fixedly provided with a plurality of screw rods. According to the utility model, the SEC pump and the motor are easy to be clamped during hoisting by arranging the fixed semi-rings, and are uniformly stressed and not easy to be damaged.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of nuclear power overhaul, in particular to the technical field of hoisting devices.
[ background of the utility model ]
Many pieces of equipment are used in nuclear power plants and require frequent maintenance to ensure proper operation of the plant. Wherein the SEC pump and motor need hoist and mount occasionally in the maintenance process. When the existing hoisting device is used for hoisting, the stress of an SEC pump and a motor is not ideal enough and the SEC pump and the motor are easy to damage.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a hoisting device for nuclear power overhaul, which can facilitate hoisting of an SEC pump and a motor and is not easy to damage.
In order to achieve the purpose, the utility model provides a hoisting device for nuclear power overhaul, which comprises two fixed half rings, first fixed lugs, second fixed lugs, a guide rod, a connecting rod, a guide hole, screws, nuts and lifting lugs, wherein the two fixed half rings are provided with one lifting lug at the side far away from each other, the two fixed half rings form a ring, the joint of the two fixed half rings is provided with two first fixed lugs and two second fixed lugs, the two first fixed lugs are fixed on the outer ring body of one fixed half ring, the two second fixed lugs are fixed on the outer ring body of the other fixed half ring, the first fixed lugs are tightly attached to the second fixed lugs, the side of the first fixed lugs close to the second fixed lugs is fixedly provided with a plurality of screws, the second fixed lugs are provided with a plurality of through holes matched with the screws, and the screws pass through the through holes, a nut is screwed on the screw rod, a connecting rod is fixed on the side, close to the second fixing convex block, of the first fixing convex block, a guide rod is arranged at the tail end of the connecting rod, the diameter of the guide rod is larger than that of the connecting rod, a guide hole matched with the guide rod is formed in the second fixing convex block, and the connecting rod penetrates through the guide hole.
Preferably, the length of the screw is greater than that of the connecting rod, and the length of the screw is less than the sum of the lengths of the connecting rod and the guide rod.
Preferably, the inner ring body of the fixed half ring is provided with a first elastic layer, and the upper end and the lower end of the fixed half ring are provided with a second elastic layer.
Preferably, the connecting rod does not contact with the inner wall of the guide hole at all times.
The utility model has the beneficial effects that: the SEC pump and the motor are easy to be clamped when being hoisted by arranging the fixed semi-rings, and the SEC pump and the motor are uniformly stressed and are not easy to be damaged; the arrangement of the connecting rod enables the guide rod not to be damaged easily, so that the guide rod is effective all the time; the arrangement of the first elastic layer and the second elastic layer enables the SEC pump and the motor not to be easily scratched.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a lifting device for nuclear power overhaul of the present invention;
FIG. 2 is a top view of the hoisting device for nuclear power overhaul of the present invention.
In the figure: 1-a fixed semi-ring, 2-a first fixed lug, 3-a second fixed lug, 10-a lifting lug, 11-a first elastic layer, 12-a second elastic layer, 21-a screw rod, 22-a nut, 25-a guide rod, 26-a connecting rod, 31-a through hole and 35-a guide hole.
[ detailed description ] A
Referring to fig. 1 and 2, the hoisting device for nuclear power overhaul of the present invention comprises two stationary half rings 1, first stationary protrusions 2, second stationary protrusions 3, a guide rod 25, a connecting rod 26, a guide hole 35, screws 21, nuts 22, and lifting lugs 10, wherein the two stationary half rings 1 are provided with one lifting lug 10 at a side away from each other, the two stationary half rings 1 enclose an annular shape, the joint of the two stationary half rings 1 is provided with two first stationary protrusions 2 and two second stationary protrusions 3, the two first stationary protrusions 2 are fixed on the outer ring body of one of the stationary half rings 1, the two second stationary protrusions 3 are fixed on the outer ring body of the other stationary half ring 1, the first stationary protrusions 2 are tightly attached to the second stationary protrusions 3, the side of the first stationary protrusions 2 close to the second stationary protrusions 3 is fixed with a plurality of screws 21, the second stationary protrusions 3 are provided with a plurality of through holes 31 adapted to the screws 21, the screw 21 penetrates through the through hole 31, the screw 21 is screwed with a nut 22, a connecting rod 26 is fixed on the side, close to the second fixing lug 3, of the first fixing lug 2, a guide rod 25 is arranged at the tail end of the connecting rod 26, the diameter of the guide rod 25 is larger than that of the connecting rod 26, a guide hole 35 matched with the guide rod 25 is formed in the second fixing lug 3, the connecting rod 26 penetrates through the guide hole 35, the length of the screw 21 is larger than that of the connecting rod 26, the length of the screw 21 is smaller than the sum of the lengths of the connecting rod 26 and the guide rod 25, a first elastic layer 11 is arranged on an inner ring body of the fixed half ring 1, second elastic layers 12 are arranged at the upper end and the lower end of the fixed half ring 1, and the connecting rod 26 is not in contact with the inner wall of the guide hole 35 all the time.
The working process of the utility model is as follows:
in the working process of the hoisting device for nuclear power overhaul, the arrangement of the fixed half ring 1 ensures that an SEC pump and a motor are easy to be clamped during hoisting, the stress is uniform, and the SEC pump and the motor are not easy to damage; the arrangement of the connecting rod 26 makes the guide rod 25 not easy to be damaged, so that the guide rod 25 is always effective; the provision of the first and second elastomeric layers 11, 12 makes the SEC pump and motor less susceptible to scratching.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides a nuclear power overhauls uses hoist device which characterized in that: comprises fixed semi-rings (1), first fixed lugs (2), second fixed lugs (3), guide rods (25), connecting rods (26), guide holes (35), screws (21), nuts (22) and lifting lugs (10), wherein the number of the fixed semi-rings (1) is two, the lifting lugs (10) are arranged on the sides of the two fixed semi-rings (1) far away from each other, the two fixed semi-rings (1) enclose an annular shape, the joint of the two fixed semi-rings (1) is provided with two first fixed lugs (2) and two second fixed lugs (3), the two first fixed lugs (2) are fixed on the outer annular body of one fixed semi-ring (1), the two second fixed lugs (3) are fixed on the outer annular body of the other fixed semi-ring (1), the first fixed lugs (2) are tightly attached to the second fixed lugs (3), and a plurality of screws (21) are fixed on the sides of the first fixed lugs (2) close to the second fixed lugs (3), be equipped with a plurality of through-hole (31) that suit with screw rod (21) on second fixed lug (3), screw rod (21) pass through-hole (31), and it has a nut (22) to twist on screw rod (21), the fixed lug (3) side of being close to the second of first fixed lug (2) is fixed with a connecting rod (26), and the end of connecting rod (26) is equipped with a guide bar (25), and the diameter of guide bar (25) is greater than the diameter of connecting rod (26), is equipped with guiding hole (35) that suit with guide bar (25) on second fixed lug (3), and guiding hole (35) are passed in connecting rod (26).
2. The hoisting device for nuclear power overhaul of claim 1, wherein: the length of the screw rod (21) is greater than that of the connecting rod (26), and the length of the screw rod (21) is less than the sum of the lengths of the connecting rod (26) and the guide rod (25).
3. The hoisting device for nuclear power overhaul of claim 1, wherein: the inner ring body of the fixed half ring (1) is provided with a first elastic layer (11), and the upper end and the lower end of the fixed half ring (1) are provided with a second elastic layer (12).
4. The hoisting device for nuclear power overhaul of claim 1, wherein: the connecting rod (26) is not contacted with the inner wall of the guide hole (35) all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122694820.3U CN216687059U (en) | 2021-11-05 | 2021-11-05 | Hoisting device for nuclear power overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122694820.3U CN216687059U (en) | 2021-11-05 | 2021-11-05 | Hoisting device for nuclear power overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216687059U true CN216687059U (en) | 2022-06-07 |
Family
ID=81831264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122694820.3U Active CN216687059U (en) | 2021-11-05 | 2021-11-05 | Hoisting device for nuclear power overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216687059U (en) |
-
2021
- 2021-11-05 CN CN202122694820.3U patent/CN216687059U/en active Active
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