CN201923542U - Tanker manhole device - Google Patents
Tanker manhole device Download PDFInfo
- Publication number
- CN201923542U CN201923542U CN2011200159537U CN201120015953U CN201923542U CN 201923542 U CN201923542 U CN 201923542U CN 2011200159537 U CN2011200159537 U CN 2011200159537U CN 201120015953 U CN201120015953 U CN 201120015953U CN 201923542 U CN201923542 U CN 201923542U
- Authority
- CN
- China
- Prior art keywords
- manhole
- tank car
- manhole cover
- collar
- cover
- 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.)
- Expired - Fee Related
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a tanker manhole device, which comprises a manhole seat and a manhole cover, and is characterized in that an air release valve is mounted on the manhole cover. The tanker manhole device has the advantages that opening is time-saving and labor-saving, and the air release valve is added so that personal safety is protected.
Description
Technical field
The utility model relates to a kind of tank car manhole device, belongs to the manhole field.
Background technology
Manhole during existing tank car uses does not have pressure-relief valve, owing in the jar certain pressure is arranged, the phenomenon that manhole cover lifts suddenly can occur when opening manhole cover, causes personal injury easily.
Summary of the invention
The purpose of this utility model provides a kind of tank car manhole device that can play a protective role to personal safety.
The purpose of this utility model realizes in the following manner:
The utility model comprises manhole collar, manhole cover, it is characterized in that: aie escape valve is installed on manhole cover.
Two power assistant spring are installed on the adapter shaft of above-mentioned manhole collar and manhole cover symmetrically.
Above-mentioned aie escape valve is a ball valve.
Be provided with a slice gauze in the bottom of above-mentioned manhole cover, gauze has a steel plate with holes.
Between manhole collar and manhole cover, be provided with seal ring above-mentioned.
The utility model has the advantages that: it is time saving and energy saving to open, and has increased the venting pressure-relief valve, and protective effect has been played in personal safety.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of gauze and steel plate with holes;
Fig. 3 is a birds-eye view of the present utility model.
The specific embodiment
With reference to accompanying drawing, the utility model comprises manhole collar 1, manhole cover 8, and aie escape valve 7 is installed on manhole cover 8.Aie escape valve 7 adopts ball valve.Two power assistant spring 9 are installed on the adapter shaft 10 of manhole collar 1 and manhole cover 8 symmetrically.Be provided with a slice gauze 6 in the bottom of manhole cover 8, gauze 6 has a steel plate with holes 5, and wherein gauze 6 plays ventilation but can not miss jar interior powder materials such as aluminium powder, and steel plate 5 with holes plays the effect of protection gauze.Manhole collar 1 bottom surface has one and the circular arc that is complementary of the circular arc of tank car car body.
During use, manhole collar 1 is welded on the tank car, manhole collar 1 and manhole cover 8 is fixed together with six roots of sensation bolt 3; 4 protections of one section steel pipe of every bolt 3 usefulness are lived; can only just can open with special spanner, play preventing that other people from malice opening manhole, between manhole collar 1 and manhole cover 8, be provided with seal ring 2., earlier six roots of sensation bolt is opened during thing in loading,, saved manpower, adorned behind the goods bolt is locked with special spanner owing to there is power assistant spring can open once carrying gently.Tank car in transportation because be heated, phase mutual friction meeting produces certain air pressure between object, when opening manhole cover at every turn, open venting ball valve venting release earlier, and then open manhole cover.
The utility model is applicable to that aluminium powder tank car, acid tanker, light oil tank wagon, oil tank car install and use.
Claims (5)
1. a tank car manhole device comprises manhole collar, manhole cover, it is characterized in that: aie escape valve is installed on manhole cover.
2. the tank car manhole device above-mentioned according to claim 1 is characterized in that: aie escape valve is a ball valve.
3. the tank car manhole device above-mentioned according to claim 1 is characterized in that: two power assistant spring are installed on the adapter shaft of manhole collar and manhole cover symmetrically.
4. the tank car manhole device above-mentioned according to claim 1 is characterized in that: be provided with a slice gauze in the bottom of manhole cover, gauze has a steel plate with holes.
5. the tank car manhole device above-mentioned according to claim 1 is characterized in that: be provided with seal ring between manhole collar and manhole cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200159537U CN201923542U (en) | 2011-01-11 | 2011-01-11 | Tanker manhole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200159537U CN201923542U (en) | 2011-01-11 | 2011-01-11 | Tanker manhole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923542U true CN201923542U (en) | 2011-08-10 |
Family
ID=44427408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200159537U Expired - Fee Related CN201923542U (en) | 2011-01-11 | 2011-01-11 | Tanker manhole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201923542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092542A (en) * | 2011-01-11 | 2011-06-15 | 包头市北工机械有限公司 | Manhole device of tank truck |
-
2011
- 2011-01-11 CN CN2011200159537U patent/CN201923542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092542A (en) * | 2011-01-11 | 2011-06-15 | 包头市北工机械有限公司 | Manhole device of tank truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20120111 |