CN211729001U - Shaft sleeve dismounting device of Roots compressor for nuclear power station - Google Patents
Shaft sleeve dismounting device of Roots compressor for nuclear power station Download PDFInfo
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- CN211729001U CN211729001U CN201922002887.9U CN201922002887U CN211729001U CN 211729001 U CN211729001 U CN 211729001U CN 201922002887 U CN201922002887 U CN 201922002887U CN 211729001 U CN211729001 U CN 211729001U
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- sleeve
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Abstract
The utility model belongs to the technical field of mechanical design, concretely relates to roots compressor axle sleeve dismounting device for nuclear power station. The utility model comprises a taking-out device and a fixing device, wherein the taking-out device is arranged on the upper part of the fixing device; the taking-out device comprises a taking-out clamping sleeve sleeved on the shaft sleeve, a fixing sleeve sleeved on the taking-out clamping sleeve, a thrust screw connected with the fixing sleeve and a fastening bolt arranged on the fixing sleeve; the fixing device comprises an overhauling platform, a supporting foot margin, a rotor limiting disc arranged on the upper portion of the rotor, and a fixing screw rod arranged along the axial direction of the rotor. The utility model discloses simple structure, save time, laborsaving, work efficiency is high, can protect the rotor not receive the damage, effectively solves the problem that the axle sleeve was dismantled the difficulty simultaneously.
Description
Technical Field
The utility model belongs to the technical field of mechanical design, concretely relates to roots compressor axle sleeve dismounting device for nuclear power station.
Background
28 roots compressors are arranged in a first-stage project of a certain nuclear power station, the nuclear power station is mainly suitable for a nuclear island gas sampling, processing and exhausting system, a shaft sleeve needs to be disassembled during maintenance, a screwdriver is slowly knocked out by a hammer along a groove in the bottom of the shaft sleeve, and the shaft sleeve is installed in an interference fit mode, so that the rotor is small in size, large in fixing difficulty, unstable in gravity center in the disassembling process, extremely prone to damage to the rotor, and troublesome in post-processing.
Disclosure of Invention
The utility model provides a technical problem:
the utility model provides a nuclear power station is with roots compressor axle sleeve dismounting device, simple structure, save time, laborsaving, work efficiency is high, can protect the rotor not receive the damage, effectively solves the problem that the axle sleeve was dismantled the difficulty simultaneously.
The utility model adopts the technical proposal that:
a shaft sleeve dismounting device of a Roots compressor for a nuclear power station comprises a taking-out device and a fixing device, wherein the taking-out device is arranged on the upper portion of the fixing device.
The taking-out device comprises a taking-out clamping sleeve sleeved on the shaft sleeve, a fixing sleeve sleeved on the taking-out clamping sleeve, a thrust screw connected with the fixing sleeve and a fastening bolt arranged on the fixing sleeve.
The shaft sleeve is provided with a groove, the taking-out clamping sleeve is provided with a boss, and the shaft sleeve is in concave-convex fit connection with the taking-out clamping sleeve; the thrust screw rod is provided with an external thread, the upper part of the fixed sleeve is provided with an internal thread, and the thrust screw rod is connected with the fixed sleeve in a screwed mode through the thread.
The fixing device comprises an overhauling platform, a supporting foot margin, a rotor limiting disc arranged on the upper portion of the rotor, and a fixing screw rod arranged along the axial direction of the rotor.
The maintenance platform is erected on the supporting ground foot through the connecting flange, and the connecting flange is provided with a connecting bolt; the rotor is erected on the maintenance platform, the bottom of the rotor penetrates through a through hole in the maintenance platform, the rotor limiting disc tightly presses the rotor, the upper portion of the fixing screw penetrates through the through hole in the rotor limiting disc, and the bottom of the fixing screw penetrates through the through hole in the maintenance platform and is fastened through a connecting nut.
The utility model has the advantages that:
(1) the utility model provides a shaft sleeve dismounting device of a Roots compressor for a nuclear power station, which has simple structure and principle and convenient use;
(2) the utility model provides a shaft sleeve dismounting device of a Roots compressor for a nuclear power station, which can effectively solve the problem of difficult shaft sleeve dismounting, and has the advantages of time and labor saving and high working efficiency;
(3) the utility model provides a pair of roots compressor axle sleeve dismounting device for nuclear power station can not cause the damage to the rotor.
Drawings
Fig. 1 is a schematic structural view of a shaft sleeve dismounting device of a roots compressor for a nuclear power station according to the present invention;
in the figure: 1. a thrust screw; 2. fixing the sleeve; 3. fastening a bolt; 4. a rotor; 5. a connecting flange; 6. supporting the ground feet; 7. a connecting bolt; 8. overhauling the platform; 9. a connecting nut; 10. fixing the screw rod; 11. a rotor limiting disc; 12. taking out the cutting sleeve; 13. and a shaft sleeve.
Detailed Description
The following describes the shaft sleeve dismounting device of the roots compressor for a nuclear power station in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the shaft sleeve dismounting device of the roots compressor for the nuclear power station provided by the utility model comprises a taking-out device and a fixing device, wherein the taking-out device is arranged at the upper part of the fixing device;
the taking-out device comprises a taking-out clamping sleeve 12 sleeved on a shaft sleeve 13, a fixing sleeve 2 sleeved on the taking-out clamping sleeve 12, a thrust screw 1 connected with the fixing sleeve 2, and a fastening bolt 3 arranged on the fixing sleeve 2;
the shaft sleeve 13 is provided with a groove, the taking-out cutting sleeve 12 is provided with a boss, and the shaft sleeve 13 is matched and connected with the taking-out cutting sleeve 12 through the concave-convex shape; the thrust screw rod 1 is provided with an external thread, the upper part of the fixed sleeve 2 is provided with an internal thread, and the thrust screw rod 1 and the fixed sleeve 2 are connected in a screwed mode through the threads.
The fixing device comprises an overhauling platform 8, a supporting foot 6, a rotor limiting disc 11 arranged at the upper part of the rotor 4 and a fixing screw 10 arranged along the axial direction of the rotor 4;
a connecting flange 5 is arranged on the supporting foot 6, an overhauling platform 8 is erected on the supporting foot 6 through the connecting flange 5, and a connecting bolt 7 is arranged on the connecting flange 5; rotor 4 erects on overhauing platform 8, and the through-hole on overhauing platform 8 is passed to rotor 4 bottom, and rotor spacing dish 11 sticiss rotor 4, and through-hole on the rotor spacing dish 11 is passed on clamping screw 10 upper portion, and clamping screw 10 bottom passes the through-hole on overhauing platform 8 to fasten through coupling nut 9.
The rotor limiting disc 11 is hollow, and the rotor 4 penetrates through the rotor limiting disc 11.
The utility model discloses a theory of operation does: when the maintenance platform is used, the maintenance platform 8 is erected on the supporting anchor feet 6 through the connecting flange 5 by means of the connecting bolts 7, the rotor 4 is erected on the maintenance platform 8, the bottom of the rotor 4 penetrates through a through hole in the maintenance platform 8, the rotor limiting disc 11 tightly presses the rotor 4, the upper portion of the fixing screw 10 penetrates through the through hole in the rotor limiting disc 11, the bottom of the fixing screw passes through the through hole in the maintenance platform 8, external threads are arranged at two ends of the fixing screw 10, and the rotor is fixed by means of the connecting nuts 9; the shaft sleeve 13 is provided with a groove, the taking-out clamp sleeve 12 is provided with a boss, and the shaft sleeve and the boss are connected through concave-convex fit; the fastening bolt 3 is arranged on the fixed sleeve 2 to realize the tight combination of the fixed sleeve 2, the taking-out cutting sleeve 12 and the shaft sleeve 13; fixed sleeve 2 passes through threaded connection with thrust screw 1, when dismantling the axle sleeve, rotates the nut on the thrust screw 1 through the spanner for fixed sleeve 2, take out cutting ferrule 12, axle sleeve 13 produce perpendicular ascending power, finally dismantle axle sleeve 13 and accomplish.
The present invention has been described in detail with reference to the drawings and the actual operation, but the present invention is not limited to the above-described operation, and various changes, including changes in size, etc., can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can be applied to any other part not described in detail.
Claims (4)
1. The utility model provides a roots compressor axle sleeve dismounting device for nuclear power station which characterized in that: the taking-out device is arranged at the upper part of the fixing device;
the taking-out device comprises a taking-out clamping sleeve (12) sleeved on a shaft sleeve (13), a fixing sleeve (2) sleeved on the taking-out clamping sleeve (12), a thrust screw (1) connected with the fixing sleeve (2), and a fastening bolt (3) arranged on the fixing sleeve (2).
2. The axial sleeve dismounting device of the roots compressor for the nuclear power station as claimed in claim 1, wherein: the shaft sleeve (13) is provided with a groove, the taking-out clamping sleeve (12) is provided with a boss, and the shaft sleeve (13) is in fit connection with the taking-out clamping sleeve (12) through a concave part and a convex part; the thrust screw (1) is provided with an external thread, the upper part of the fixed sleeve (2) is provided with an internal thread, and the thrust screw (1) is screwed with the fixed sleeve (2) through the thread.
3. The axial sleeve dismounting device of the roots compressor for the nuclear power station as claimed in claim 2, wherein: the fixing device comprises an overhauling platform (8), a supporting anchor (6), a rotor limiting disc (11) arranged on the upper portion of the rotor (4), and a fixing screw rod (10) axially arranged along the rotor (4).
4. The axial sleeve dismounting device of the Roots compressor for the nuclear power station as claimed in claim 3, wherein: the support anchor (6) is provided with a connecting flange (5), the maintenance platform (8) is erected on the support anchor (6) through the connecting flange (5), and the connecting flange (5) is provided with a connecting bolt (7); rotor (4) erect and overhaul on platform (8), and rotor (4) bottom passes the through-hole of overhauing on platform (8), and rotor (4) is sticis in spacing dish (11) of rotor, and through-hole on the spacing dish of rotor (11) is passed on clamping screw (10) upper portion, and clamping screw (10) bottom passes the through-hole of overhauing on platform (8) to fasten through coupling nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002887.9U CN211729001U (en) | 2019-11-19 | 2019-11-19 | Shaft sleeve dismounting device of Roots compressor for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002887.9U CN211729001U (en) | 2019-11-19 | 2019-11-19 | Shaft sleeve dismounting device of Roots compressor for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211729001U true CN211729001U (en) | 2020-10-23 |
Family
ID=72873537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922002887.9U Active CN211729001U (en) | 2019-11-19 | 2019-11-19 | Shaft sleeve dismounting device of Roots compressor for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211729001U (en) |
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2019
- 2019-11-19 CN CN201922002887.9U patent/CN211729001U/en active Active
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