CN204652111U - The rotating shaft through wall device of electromagnetic leakage - Google Patents
The rotating shaft through wall device of electromagnetic leakage Download PDFInfo
- Publication number
- CN204652111U CN204652111U CN201320438337.1U CN201320438337U CN204652111U CN 204652111 U CN204652111 U CN 204652111U CN 201320438337 U CN201320438337 U CN 201320438337U CN 204652111 U CN204652111 U CN 204652111U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- sliding bearing
- rotating shaft
- mounting casing
- electromagnetic leakage
- Prior art date
- 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.)
- Withdrawn - After Issue
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The rotating shaft through wall device of electromagnetic leakage described in the utility model, relates to a kind of device preventing electromagnetic leakage.Comprise mounting casing, fastening shell, sealing ring I, sliding bearing I, rotating shaft, spring, sealing ring II and sliding bearing II; It is characterized in that mounting casing is welded on the opening part of rotating shaft through shielding wall; Sealing ring II is welded in rotating shaft, and sealing ring II is connected with sliding bearing II; Be inserted in the through hole of mounting casing by being equipped with the rotating shaft of sealing ring II with sliding bearing II; Rotating shaft outside sealing ring II is set with successively spring, sealing ring I and sliding bearing I; Sealing ring I is connected with sliding bearing I; Sliding bearing I is set with fastening shell, and fastening shell is connected with mounting casing by screw thread.The features such as the utility model has novel structure, processing simple installation, with low cost, shield effectiveness good, safe and reliable, therefore belong to a kind of rotating shaft through wall device integrating the novel electromagnetic leakage of economy and practicality.
Description
Technical field
The rotating shaft through wall device of electromagnetic leakage described in the utility model, relates to a kind of device preventing electromagnetic leakage.
Background technology
Electromagnetic radiation can be produced in large-scale drive motors and plant running, need to do shielded enclosure protective treatment, in the shielded enclosure design process of large span flexible wire ropes Suspenoing apparatus drive unit, hung equipment due to driving with outside to be connected by steel wire rope, there is the rectangle rope hole of big swing angle in the steel wire rope of motion, reel group and steel wire rope can not be shielded interior, the spacing electromagnetic radiation of main transmission can have influence on external equipment by this rope hole, and the normal safe affecting external equipment runs.For problem existing in above-mentioned prior art, the rotating shaft through wall device of a kind of novel electromagnetic leakage of research and design, thus the problem existing for overcoming in prior art is very necessary.
Summary of the invention
In view of problem existing in above-mentioned prior art, the purpose of this utility model is the rotating shaft through wall device of a kind of novel electromagnetic leakage of research and design.Electromagnetic wave is limited in electromagnetic shielding indoor, to prevent electromagnetic wave from being revealed by motor rotary shaft, harmful effect is produced to outside visual plant.
Technical solution of the present utility model is achieved in that
The rotating shaft through wall device of electromagnetic leakage described in the utility model, comprises mounting casing, fastening shell, sealing ring I, sliding bearing I, rotating shaft, spring, sealing ring II and sliding bearing II; It is characterized in that mounting casing is welded on the opening part of shielding wall; Sealing ring II is welded in rotating shaft, and sealing ring II is connected with sliding bearing II; Be inserted in the through hole of mounting casing by being equipped with the rotating shaft of sealing ring II with sliding bearing II; Rotating shaft outside sealing ring II is set with successively spring, sealing ring I and sliding bearing I; Sealing ring I is connected with sliding bearing I; Sliding bearing I is set with fastening shell, and fastening shell is connected with mounting casing by screw thread.
Sealing ring I described in the utility model and the end face of sealing ring II are processed with annular boss; Sliding bearing I and the end face of sliding bearing II are processed with annular groove; Sealing ring I is connected with annular groove by annular boss with sliding bearing II with sliding bearing I and sealing ring II; And respectively sealing ring I is pressed on sliding bearing I on the end face of sliding bearing II with sealing ring II by spring.
Sliding bearing I described in the utility model is sliding contact with the contact-making surface of rotating shaft and fastening shell; Sliding bearing II is sliding contact with the contact-making surface of rotating shaft and mounting casing.
Sealing ring I described in the utility model carries out anti-wear-resisting copper plating treatment with the contact-making surface of sealing ring II.
The utility model is loaded on the shielding steel plate between shielded enclosure and shield, when rotating shaft rotates, sealing ring II, spring and sealing ring I rotates together along with rotating shaft, the shielding steel plate of shielded enclosure, mounting casing, fastening shell all keep static, mounting casing, fastening shell with carry out suit respectively by sliding bearing II and sliding bearing I between rotating shaft and be connected.Space radiation electromagnetic interference in such shielded enclosure cannot arrive outside shielded enclosure under being stopped by the contact gap of similar cut-off waveguide, the electromagnetism that conduction produces then is eliminated by ground connection, ensure that the electromagnetic interference of high-power transmission equipment in shielding house does not affect the operation of shielded enclosure external equipment.
The utility model has the advantages that apparent, be mainly manifested in:
Use of the present utility model solves main transmission rotating shaft and also indoor radiated electromagnetic wave and external equipment can be isolated in running, the technical barrier avoiding main transmission electromagnetic signal to be disturbed outside installation electromagnetical by the junction of shielding house and rotating shaft, guarantees that external equipment normally runs.
The advantages such as the utility model has novel structure, processing simple installation, with low cost, shield effectiveness good, safe and reliable, it puts goods on the market in enormous quantities and will produce positive social benefit and significant economic benefit.
Accompanying drawing explanation
The utility model has 2 width accompanying drawings, wherein:
Accompanying drawing 1 the utility model structural representation;
Accompanying drawing 2 the utility model position in systems in which.
In the drawings: 1, shield steel plate 2, mounting casing 3, fastening shell 4, sealing ring I 5, sliding bearing I 6, rotating shaft 7, spring 8, sealing ring II 9, sliding bearing II.
Embodiment
Specific embodiment of the utility model as shown in drawings, comprises mounting casing 2, fastening shell 3, sealing ring I 4, sliding bearing I 5, rotating shaft 6, spring 7, sealing ring II 8 and sliding bearing II 9; It is characterized in that mounting casing 2 is welded on the opening part of shielding wall 1; Sealing ring II 8 is welded in rotating shaft 6, and sealing ring II 8 is connected with sliding bearing II 9; Be inserted in the through hole of mounting casing 2 by being equipped with the rotating shaft 6 of sealing ring II 8 with sliding bearing II 9; Rotating shaft 6 outside sealing ring II 8 is set with successively spring 7, sealing ring I 4 and sliding bearing I 5; Sealing ring I 4 is connected with sliding bearing I 5; Sliding bearing I 5 is set with fastening shell 3, and fastening shell 3 is connected with mounting casing 2 by screw thread.
Sealing ring I 4 and the end face of sealing ring II 8 are processed with annular boss; Sliding bearing I 5 and the end face of sliding bearing II 9 are processed with annular groove; Sealing ring I 4 is with sliding bearing I 5 and sealing ring II 8 and slide
Dynamic bearing II 9 is connected with annular groove by annular boss; And respectively sealing ring I 4 is pressed on sliding bearing I 5 on the end face of sliding bearing II 9 with sealing ring II 8 by spring 7.
Sliding bearing I 5 is sliding contact with the contact-making surface of rotating shaft 6 and fastening shell 3; Sliding bearing II 9 is sliding contact with the contact-making surface of rotating shaft 6 and mounting casing 2.
Sealing ring I 4 carries out anti-wear-resisting copper plating treatment with the contact-making surface of sealing ring II 8.
The above; be only preferably embodiment of the present utility model; but protection range of the present utility model is not limited thereto; allly be familiar with those skilled in the art in technical scope disclosed in the utility model, be equal to replace or change according to the technical solution of the utility model and design of the present utility model thereof and all should be encompassed within protection range of the present utility model.
Claims (4)
1. a rotating shaft through wall device for electromagnetic leakage, comprises mounting casing (2), fastening shell (3), sealing ring I (4), sliding bearing I (5), rotating shaft (6), spring (7), sealing ring II (8) and sliding bearing II (9); It is characterized in that mounting casing (2) is welded on the opening part of rotating shaft (6) through shielding wall (1); Sealing ring II (8) is welded in rotating shaft (6), and sealing ring II (8) is connected with sliding bearing II (9); Be inserted in the through hole of mounting casing (2) by being equipped with the rotating shaft (6) of sealing ring II (8) with sliding bearing II (9); The rotating shaft (6) in sealing ring II (8) outside is set with spring (7), sealing ring I (4) and sliding bearing I (5) successively; Sealing ring I (4) is connected with sliding bearing I (5); Sliding bearing I (5) is set with fastening shell (3), and fastening shell (3) is connected with mounting casing (2) by screw thread.
2. the rotating shaft through wall device of electromagnetic leakage according to claim 1, is characterized in that described sealing ring I (4) and the end face of sealing ring II (8) are processed with annular boss; Sliding bearing I (5) and the end face of sliding bearing II (9) are processed with annular groove; Sealing ring I (4) is connected with annular groove by annular boss with sliding bearing II (9) with sliding bearing I (5) and sealing ring II (8); And respectively sealing ring I (4) is pressed on sliding bearing I (5) on the end face of sliding bearing II (9) with sealing ring II (8) by spring (7).
3. the rotating shaft through wall device of electromagnetic leakage according to claim 1, is characterized in that described sliding bearing I (5) is sliding contact with the contact-making surface of rotating shaft (6) and fastening shell (3); Sliding bearing II (9) is sliding contact with the contact-making surface of rotating shaft (6) and mounting casing (2).
4. the rotating shaft through wall device of electromagnetic leakage according to claim 1, is characterized in that described sealing ring I (4) carries out anti-wear-resisting copper plating treatment with the contact-making surface of sealing ring II (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438337.1U CN204652111U (en) | 2013-07-22 | 2013-07-22 | The rotating shaft through wall device of electromagnetic leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438337.1U CN204652111U (en) | 2013-07-22 | 2013-07-22 | The rotating shaft through wall device of electromagnetic leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652111U true CN204652111U (en) | 2015-09-16 |
Family
ID=54104819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320438337.1U Withdrawn - After Issue CN204652111U (en) | 2013-07-22 | 2013-07-22 | The rotating shaft through wall device of electromagnetic leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204652111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354400A (en) * | 2013-07-22 | 2013-10-16 | 大连华锐重工集团股份有限公司 | Electromagnetic leakage prevention rotating shaft wall apparatus |
-
2013
- 2013-07-22 CN CN201320438337.1U patent/CN204652111U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354400A (en) * | 2013-07-22 | 2013-10-16 | 大连华锐重工集团股份有限公司 | Electromagnetic leakage prevention rotating shaft wall apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |