CN211103702U - Device for detaching coupling of condensate pump of nuclear power station - Google Patents
Device for detaching coupling of condensate pump of nuclear power station Download PDFInfo
- Publication number
- CN211103702U CN211103702U CN201921645176.7U CN201921645176U CN211103702U CN 211103702 U CN211103702 U CN 211103702U CN 201921645176 U CN201921645176 U CN 201921645176U CN 211103702 U CN211103702 U CN 211103702U
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- China
- Prior art keywords
- baffle
- pull rod
- nuclear power
- jack
- condensate pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model relates to a nuclear power station condensate pump pair wheel dismounting device, which comprises a jack (3), a pull rod (4), a baffle (5) and a short circuit (7), wherein one end of the jack (3) is connected with a pump shaft (1) through the short circuit (7), and the other end is connected with the baffle (5); one end of the pull rod (4) is connected with the baffle (5), the other end of the pull rod is connected with the pair wheel (2), and when the jack (3) works, the pull rod (4) pulls the pair wheel (2) to move along the direction far away from the pump shaft (1). Compared with the prior art, the utility model has the advantages of wide application range, convenient operation, labor saving and the like.
Description
Technical Field
The utility model belongs to the technical field of the repair tools for nuclear power plant pump and specifically relates to a nuclear power station condensate pump coupling dismounting device is related to.
Background
In the disassembly inspection and maintenance of the condensate pump, the disassembly work of the pair of wheels of the pump is involved. In the conventional wheel dismounting, the dismounting is generally performed by a two-jaw puller, a three-jaw puller or a disc puller. However, due to the problems of short stroke, slipping of jaws and unbalance loading of the conventional puller, the structural size of the on-site paired wheel and the installation form of the paired wheel, the conventional puller cannot meet the disassembly requirement at all, and the paired wheel cannot be normally disassembled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nuclear power station condensate pump wheel dismounting device in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
a device for detaching a pair wheel of a condensate pump of a nuclear power station comprises a jack, a pull rod, a baffle and a short circuit, wherein one end of the jack is connected with a pump shaft through the short circuit, and the other end of the jack is connected with the baffle; one end of the pull rod is connected with the baffle, the other end of the pull rod is connected with the pair wheel, and when the jack works, the pull rod pulls the pair wheel to move along the direction far away from the pump shaft.
Preferably, the baffle is provided with four slotted holes, and one end of the pull rod penetrates through the slotted holes and is fixed on the baffle.
Preferably, the device further comprises a locking nut, and the pull rod is fixed with the baffle plate through the locking nut.
Preferably, the locking nuts are arranged on the pull rod and screwed at the two ends of the baffle, and the parallelism between the baffle and the pair of wheels is adjusted by adjusting the locking nuts.
Preferably, the short joint is connected with the shaft head of the pump shaft through a screw thread.
Preferably, the pull rod is connected with the pair of wheels through screw threads.
Preferably, the baffle is made of No. 45 steel materials by adopting a machining process.
Preferably, the short circuit is made of No. 45 steel materials by adopting a machining process.
Compared with the prior art, the utility model has the advantages of it is following:
1. the application range is wide: through length and width size, the size of short circuit and the length and the diameter of pull rod that change the baffle slotted hole, applicable in different types wheel dismantlement.
2. Convenient operation, laborsaving, efficient: in the drawing process, the special tool can realize the one-time drawing of the paired wheels only by pulling the crank of the jack.
3. The processing and manufacturing cost is low: the special tool has the advantages of low price of required materials, simple manufacturing and processing technology and repeated use.
4. The operation is convenient and quick: the special tool has the advantages of simple structure, small volume, light weight, quick installation and use and convenient carrying.
Drawings
Fig. 1 is a schematic view of the tool structure of the present invention.
Fig. 2 is a schematic view of the baffle structure of the present invention.
Fig. 3 is a schematic diagram of the short circuit structure of the present invention.
Wherein 1 is a pump shaft, 2 is a pair wheel, 3 is a jack, 4 is a pull rod, 5 is a baffle, 6 is a lock nut, 7 is a short joint, 11 is a shaft head, and 51 is a slotted hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
The utility model discloses a theory of operation: when the screw jack works, the crank is pulled, the ratchet wheel is shifted through the ratchet, the bevel gear is driven to rotate, and the screw rod rotates; when the screw rod rotates, the sleeve rises along the guide key to act on the baffle, and meanwhile, the pull rod is driven to pull the paired wheels. When the handle is pulled, the sleeve rises, the pull rod drives the pair wheel to correspondingly retreat, and the pair wheel is pulled out.
As shown in fig. 1, the device for detaching the coupling of the condensate pump of the nuclear power station comprises a jack 3, a pull rod 4, a baffle 5 and a short circuit 7, wherein one end of the jack 3 is connected with a pump shaft 1 through the short circuit 7, and the other end of the jack is connected with the baffle 5; one end of the pull rod 4 is connected with the baffle 5, the other end of the pull rod is connected with the pair wheel 2, and when the jack 3 works, the pull rod 4 pulls the pair wheel 2 to move along the direction far away from the pump shaft 1.
As shown in fig. 2, the baffle 5 is provided with four slots 51, and one end of the pull rod 4 passes through the slots 51 and is fixed on the baffle 5.
The dimensions of said slotted hole 51 vary according to the different types of wheel 2.
The device also comprises a locking nut 6, and the pull rod 4 is fixed with the baffle 5 through the locking nut 6. The locking nuts 6 are arranged on the pull rod 4 and screwed at two ends of the baffle 5, and the parallelism between the baffle 5 and the pair of wheels 2 is adjusted by adjusting the locking nuts 6.
As shown in fig. 3, the short joint 7 is connected with the shaft head 11 of the pump shaft 1 through screw threads. The pull rod 4 is connected with the pair of wheels 2 through screw threads.
The dimensions of said short circuit 7 and the length and diameter of the tie rod 4 vary according to the different types of wheels 2.
The baffle 5 is made of No. 45 steel materials by adopting a machining process. The short circuit 7 is made of No. 45 steel materials by adopting a machining process.
The utility model discloses the use method of instrument includes following step:
a. the short joint 7 is attached to the stub shaft 11 and tightened.
b. Four M16 tie rods 4 are respectively fitted into 4 threaded holes of the pair of wheels 2 and tightened.
c. The screw jack 3 is mounted on the short joint 7, and the sleeve end of the screw jack 3 is aligned with the counter bore of the short joint 7.
d. Four lock nuts 6 are respectively arranged on the four pull rods 4 and screwed to the base lower than the jack 3.
e. The baffle 5 is passed through the tie rod 4 and against the jack 3, aligned with the four slots 51 in the baffle 5.
f. Eight washers and lock nuts 6 are mounted on the four tie rods 4, respectively.
g. The parallelism of the baffle 5 and the pair of wheels 2 is adjusted by tightening the lock nuts 6 on both sides of the baffle 5.
h. When the parallelism is adjusted, the crank of the jack 3 can be pulled to pull out the pair wheel 2.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A device for detaching a pair of wheels of a condensate pump of a nuclear power station is characterized by comprising a jack (3), a pull rod (4), a baffle (5) and a short circuit (7), wherein one end of the jack (3) is connected with a pump shaft (1) through the short circuit (7), and the other end of the jack is connected with the baffle (5); one end of the pull rod (4) is connected with the baffle (5), the other end of the pull rod is connected with the pair wheel (2), and when the jack (3) works, the pull rod (4) pulls the pair wheel (2) to move along the direction far away from the pump shaft (1).
2. The wheel dismounting device of the condensate pump of the nuclear power plant as claimed in claim 1, wherein the baffle (5) is provided with four slotted holes (51), and one end of the pull rod (4) passes through the slotted holes (51) and is fixed on the baffle (5).
3. The wheel dismounting device of the condensate pump of the nuclear power plant as claimed in claim 1, characterized in that the device further comprises a lock nut (6), and the pull rod (4) is fixed with the baffle (5) through the lock nut (6).
4. The wheel dismounting device for the condensate pump of the nuclear power plant as recited in claim 3, characterized in that the lock nuts (6) are arranged on the pull rod (4) and screwed at the two ends of the baffle (5), and the parallelism between the baffle (5) and the wheel (2) is adjusted by adjusting the lock nuts (6).
5. The wheel dismounting device of the condensate pump of the nuclear power plant as recited in claim 1, characterized in that the short joint (7) is connected with the shaft head (11) of the pump shaft (1) through a screw thread.
6. The apparatus for disassembling a pair of wheels of a condensate pump of a nuclear power plant as claimed in claim 1, wherein the tie rod (4) is screwed to the pair of wheels (2).
7. The device for detaching the pair of wheels of the condensate pump of the nuclear power plant as claimed in claim 1, wherein the baffle (5) is made of No. 45 steel by a machining process.
8. The device for detaching the coupling of the condensate pump of the nuclear power plant as claimed in claim 1, wherein the short joint (7) is made of No. 45 steel by a machining process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645176.7U CN211103702U (en) | 2019-09-29 | 2019-09-29 | Device for detaching coupling of condensate pump of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645176.7U CN211103702U (en) | 2019-09-29 | 2019-09-29 | Device for detaching coupling of condensate pump of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211103702U true CN211103702U (en) | 2020-07-28 |
Family
ID=71695287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921645176.7U Active CN211103702U (en) | 2019-09-29 | 2019-09-29 | Device for detaching coupling of condensate pump of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211103702U (en) |
-
2019
- 2019-09-29 CN CN201921645176.7U patent/CN211103702U/en active Active
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| GR01 | Patent grant |