CN208793029U - 多瓣式煤矿风井防爆门 - Google Patents
多瓣式煤矿风井防爆门 Download PDFInfo
- Publication number
- CN208793029U CN208793029U CN201821567249.0U CN201821567249U CN208793029U CN 208793029 U CN208793029 U CN 208793029U CN 201821567249 U CN201821567249 U CN 201821567249U CN 208793029 U CN208793029 U CN 208793029U
- Authority
- CN
- China
- Prior art keywords
- door
- chassis
- weight
- door body
- type explosion
- 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.)
- Active
Links
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Ventilation (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821567249.0U CN208793029U (zh) | 2018-09-25 | 2018-09-25 | 多瓣式煤矿风井防爆门 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821567249.0U CN208793029U (zh) | 2018-09-25 | 2018-09-25 | 多瓣式煤矿风井防爆门 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208793029U true CN208793029U (zh) | 2019-04-26 |
Family
ID=66210716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821567249.0U Active CN208793029U (zh) | 2018-09-25 | 2018-09-25 | 多瓣式煤矿风井防爆门 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208793029U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110886622A (zh) * | 2019-12-18 | 2020-03-17 | 淮南久诺矿用设备加工有限公司 | 莲花型矿井防爆门 |
CN113898772A (zh) * | 2021-09-28 | 2022-01-07 | 上海化工研究院有限公司 | 一种分瓣平衡开启式大型火烧燃爆试验紧急泄压装置 |
-
2018
- 2018-09-25 CN CN201821567249.0U patent/CN208793029U/zh active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110886622A (zh) * | 2019-12-18 | 2020-03-17 | 淮南久诺矿用设备加工有限公司 | 莲花型矿井防爆门 |
CN113898772A (zh) * | 2021-09-28 | 2022-01-07 | 上海化工研究院有限公司 | 一种分瓣平衡开启式大型火烧燃爆试验紧急泄压装置 |
CN113898772B (zh) * | 2021-09-28 | 2024-04-12 | 上海化工研究院有限公司 | 一种分瓣平衡开启式大型火烧燃爆试验紧急泄压装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208793029U (zh) | 多瓣式煤矿风井防爆门 | |
CN203335112U (zh) | 具有自动复位功能的立风井防爆门 | |
CN209480798U (zh) | 一种正压式轻质膜材全封闭煤场 | |
CN102155250B (zh) | 自复式防爆门 | |
CN107795334A (zh) | 一种用于矿井的多功能防爆门 | |
CN202023579U (zh) | 自复式防爆门 | |
CN204591331U (zh) | 伴随高浓度硫化氢及瓦斯的矿井掘进巷道通风系统 | |
CN101629490B (zh) | 煤矿井下掘进巷道全风压借风方法 | |
CN204877526U (zh) | 矿用双向泄压风门 | |
CN109592449A (zh) | 一种正压式轻质膜材全封闭煤场 | |
CN205779019U (zh) | 主通风机防爆盖液压式自动启闭控制装置 | |
CN208168674U (zh) | 一种智能推拉关闭风门装置 | |
CN206190324U (zh) | 隧道防护门 | |
CN203730062U (zh) | 闭环式矿用救生舱舱体 | |
CN204691779U (zh) | 一种防灾型铁路双向隧道结构 | |
CN203603967U (zh) | 一种立井回风井的应急提升系统 | |
CN209724101U (zh) | 一种具有透气窗的人防门 | |
CN206860030U (zh) | 一种矿用电控防护密封门 | |
CN208605091U (zh) | 一种活门槛防护密闭隔断门 | |
CN206205928U (zh) | 一种用于矿井下的火灾避险装置 | |
CN107905829B (zh) | 矿井防爆井盖开闭控制装置 | |
CN204941590U (zh) | 一种煤矿井下全自动无压风门 | |
CN219932250U (zh) | 一种井下避难硐室用防爆门 | |
CN206880957U (zh) | 化学氧消防呼吸器 | |
CN205840679U (zh) | 一种悬板活门 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multi flap explosion-proof door of coal mine air shaft Effective date of registration: 20210730 Granted publication date: 20190426 Pledgee: Industrial and Commercial Bank of China Limited Wenshang sub branch Pledgor: SHANDONG ZHONGDU MACHINERY Co.,Ltd. Registration number: Y2021980007130 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220816 Granted publication date: 20190426 Pledgee: Industrial and Commercial Bank of China Limited Wenshang sub branch Pledgor: SHANDONG ZHONGDU MACHINERY CO.,LTD. Registration number: Y2021980007130 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multi petal mine air shaft explosion-proof door Effective date of registration: 20220930 Granted publication date: 20190426 Pledgee: Industrial and Commercial Bank of China Limited Wenshang sub branch Pledgor: SHANDONG ZHONGDU MACHINERY CO.,LTD. Registration number: Y2022980017071 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |