CN102418556A - Self-weight resetting anti-explosion door for deviated well and footrill - Google Patents
Self-weight resetting anti-explosion door for deviated well and footrill Download PDFInfo
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- CN102418556A CN102418556A CN2011104435314A CN201110443531A CN102418556A CN 102418556 A CN102418556 A CN 102418556A CN 2011104435314 A CN2011104435314 A CN 2011104435314A CN 201110443531 A CN201110443531 A CN 201110443531A CN 102418556 A CN102418556 A CN 102418556A
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Abstract
The invention relates to a self-weight resetting anti-explosion door for a deviated well and a footrill. The self-weight resetting anti-explosion door comprises a doorframe, two door leaves, a hinge and door locks arranged on the two door leaves and the doorframe, wherein the structure of the doorframe 1 has a shape of a reversed Chinese character 'ri', and the doorframe 1 consists of three gate posts, namely a left gate post, a middle gate post and a right gate post, and door beams, namely an upper door beam and a lower door beam; the two door leaves are arranged on the doorframe; the self-weight resetting anti-explosion door is characterized in that: the doorframe and the door leaves form an angle with a vertical direction during installation; the hinge is a self-weight resetting synchronization mechanism which is provided with a gear set and can reduce resistance; and the two door leaves are arranged on the middle gate post of the doorframe through the self-weight resetting synchronization mechanism respectively. The self-weight resetting anti-explosion door can recover air ventilation within a shorter time period, so that rescue and relief work can be operated in advance, and casualties and losses caused by accidents are reduced; and the self-weight resetting anti-explosion door is capable of self-resetting.
Description
Technical field
The invention belongs to the explosion proof door technical field, particularly relate to a kind of inclined shaft that is used for coalmine ventilation safety device ventilating shaft and the footrill deadweight explosion proof door that resets.
Background technology
The explosion proof door of inclined shaft or footrill is the explosion proof door of general common door form steel work in the existing coalmine ventilation safety device ventilating shaft; In a single day run into the situation that well shooting takes place in the colliery; Explosion proof door very easily is destroyed or flies away from well head, and explosion proof door can't reset at short notice, will cause like this and can't recover within a short period of time under the coal mine to ventilate; Thereby can't exhale pernicious gases; Let the personnel of speedily carrying out rescue work lose and speedily carry out rescue work the relief time, also seriously jeopardized staff's life security under the coal mine simultaneously, cause the disaster after accident takes place to enlarge.For this reason, the colliery presses for the explosion proof door that has more safety that can in time reset that research and development are used for the coalmine ventilation well.
Summary of the invention
The objective of the invention is to overcome deficiency and problem that prior art exists, provide a kind of can be from the explosion proof door of horizontal reset, recover within a short period of time to ventilate, the time of the relief of speedily carrying out rescue work in advance, reduce casualties, reduce the loss that accident causes.
For the technical scheme that purpose adopted that realizes the invention described above is:
Inclined shaft and the footrill deadweight explosion proof door that resets comprises doorframe 1, door leaf 2, hinge 3 and be contained in door leaf and doorframe on door lock 4; The structure of described doorframe 1 is made up of three door pillars in left, center, right and upper and lower door beam for falling " day " shape, and two door leafs 2 are installed on the described doorframe; It is characterized in that: when described doorframe 1 is installed with door leaf 2 and vertical φ at angle; Described hinge 3 is a kind of deadweight reset synchronization mechanisms that also can reduce resistance with gear train; Described two door leafs 2 are installed on the middle door pillar of doorframe 1 through deadweight reset synchronization mechanism respectively.
Described deadweight reset synchronization mechanism Fixed hinge 3-1, movable hinge 3-2 are arranged and be contained in Fixed hinge and movable hinge in gear shaft 3-3; Between Fixed hinge and gear shaft, be provided with sliding bearing 3-5; Gear on the gear shaft is meshing with each other; Pitch wheel opens and closes two door leafs synchronously.
On the hinge contact end face of described movable hinge and Fixed hinge, also be provided with thrust bearing 3-4.
The substantive distinguishing features that the present invention gives prominence to significant beneficial effect is:
The present invention for the coalmine ventilation system provides a kind of active safety facility, owing to adopt the hinge of band lazy-tongs, makes two door leafs open synchronously compared with prior art, and door leaf is with doorframe and vertical direction φ at angle.After the shock wave of blast was gone over, two door leafs cut out under the self gravitation effect simultaneously automatically, have so just accomplished resetting of two door leafs; Again realized the sealing of well head; Recover within a short period of time to ventilate, the time of the relief of speedily carrying out rescue work in advance, reduce casualties; Reduce the loss that accident causes, thereby improved the explosion-proof performance and the safety effect of explosion proof door greatly.
Description of drawings
Fig. 1 is a structural front view of the present invention.
Fig. 2 is a structure side view of the present invention.
Fig. 3 is for having the sketch map of synchromesh gear group, thrust bearing and sliding bearing hinge among the present invention.
Fig. 4 among the present invention not with the sketch map of thrust bearing hinge.
Among the figure: doorframe 1, door leaf 2, hinge 3, Fixed hinge 3-1, movable hinge 3-2, gear shaft 3-3, thrust bearing 3-4 and sliding bearing 3-5.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
Like Fig. 1, shown in 2, inclined shaft and the footrill deadweight explosion proof door that resets comprises doorframe 1, door leaf 2, hinge 3 and be contained in door leaf and doorframe on door lock 4; The structure of described doorframe 1 is made up of three door pillars in left, center, right and upper and lower door beam for falling " day " shape; Should be when the repeats bits explosion proof door be installed and vertical φ at angle; Described hinge 3 is a kind of identical gear train, thrust bearing or sliding bearings be with, and can reduce the deadweight reset synchronization mechanism of resistance; Doorframe is provided with two door leafs 2; Its two door leaf 2 is installed on the middle door pillar of doorframe 1 through deadweight reset synchronization mechanism respectively; Can certainly two fan doors 2 be installed on the left and right door pillar of doorframe 1 through hinge respectively, with doorframe and vertical at angle, but this moment, said hinge did not have lazy-tongs.Door leaf 2 makes door leaf open back reliable reset and sealing under the effect of deadweight with the doorframe same angle φ that tilts.
Deadweight reset synchronization mechanism is following:
Embodiment 1:
As shown in Figure 3, a kind of deadweight reset synchronization mechanism with thrust bearing; It comprises Fixed hinge 3-1, movable hinge 3-2 and be contained in Fixed hinge and movable hinge in gear shaft 3-3; On the hinge contact end face of movable hinge and Fixed hinge, be provided with thrust bearing 3-4; Between Fixed hinge and gear shaft, be provided with sliding bearing 3-5; Gear on the gear shaft is meshing with each other; Wherein: said thrust bearing 3-4 has reduced the friction between movable hinge and the Fixed hinge contact surface, and sliding bearing 3-5 has reduced between hinge and the gear shaft fitting face and rubs, and makes door leaf open and reset more flexible and reliable; Pitch wheel opens and closes two door leafs synchronously.
Embodiment 2:
As shown in Figure 4, a kind of not with the deadweight reset synchronization mechanism of thrust bearing; On the hinge contact end face of movable hinge and Fixed hinge, be not provided with thrust bearing 3-4.
On the middle door pillar of above-described Fixed hinge 3-1 fixed installation doorframe 1, described movable hinge 3-2 is fixedly mounted on the door leaf 2, on each door leaf 2 at least two hinges is housed.
The explosion proof door course of work of above embodiment is:
Under coal mine, explosion time takes place, two door leafs 2 of explosion proof door are washed open by impact generated by explosion ripple or high pressure draught, and door leaf wraps page or leaf (deadweight reset synchronization mechanism) rotation; In rotary course, the hinge resistance is very little, and door leaf is also opened flexibly synchronously; Overcome two door leafs like this and produced speed difference because of unbalance stress; Make the inclined to one side defective of crossing the damage of mechanisms such as hinge that causes after the scope of design of two door leaf impingement positions, and after impact generated by explosion ripple or high pressure draught are gone over, because of door leaf is provided with the angle of inclination with doorframe and vertical; Door leaf 2 will wrap the page or leaf rotation under the effect of self gravitation and the mutual impact of two door leafs; Because of the frictional resistance of its hinge is very little, do not have the jam phenomenon, voluntarily close synchronously.Thereby guaranteed normally resetting of two door leafs, and again the well head door has been closed and sealed.At this moment main air blower is extracted the pernicious gas of down-hole out, to guarantee underground work personnel's safety.
Claims (3)
1. inclined shaft and the footrill deadweight explosion proof door that resets comprises doorframe (1), door leaf (2), hinge (3) and be contained in door leaf and doorframe on door lock (4); The structure of described doorframe (1) is made up of three door pillars in left, center, right and upper and lower door beam for falling " day " shape, and two door leafs (2) are installed on the described doorframe; It is characterized in that: when described doorframe (1) and door leaf (2) are installed and vertical (φ) at angle; Described hinge (3) is a kind of deadweight reset synchronization mechanism that also can reduce resistance with gear train; Described two door leafs (2) are installed on the middle door pillar of doorframe (1) through deadweight reset synchronization mechanism respectively.
2. inclined shaft according to claim 1 and the footrill deadweight explosion proof door that resets is characterized in that: described deadweight reset synchronization mechanism Fixed hinge (3-1), movable hinge (3-2) are arranged and be contained in Fixed hinge and movable hinge in gear shaft (3-3); Between Fixed hinge and gear shaft, be provided with sliding bearing (3-5); Gear on the gear shaft is meshing with each other; Pitch wheel opens and closes two door leafs synchronously.
3. inclined shaft according to claim 2 and the footrill deadweight explosion proof door that resets is characterized in that: on the hinge contact end face of described movable hinge and Fixed hinge, also be provided with thrust bearing (3-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104435314A CN102418556A (en) | 2011-12-27 | 2011-12-27 | Self-weight resetting anti-explosion door for deviated well and footrill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104435314A CN102418556A (en) | 2011-12-27 | 2011-12-27 | Self-weight resetting anti-explosion door for deviated well and footrill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102418556A true CN102418556A (en) | 2012-04-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104435314A Pending CN102418556A (en) | 2011-12-27 | 2011-12-27 | Self-weight resetting anti-explosion door for deviated well and footrill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418556A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748059A (en) * | 2012-08-08 | 2012-10-24 | 枣庄王晁煤矿有限责任公司 | Double-fan air tube automatic changeover device |
| CN108757035A (en) * | 2018-08-23 | 2018-11-06 | 扬州市江隆矿业设备有限公司 | Self-resetting type rotates upwardly and downwardly formula inclined shaft explosion proof door |
| CN112610274A (en) * | 2020-12-16 | 2021-04-06 | 重庆大学 | Reserve explosion vent device of colliery inclined shaft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062181A (en) * | 1991-02-12 | 1991-11-05 | The Stanley Works | Continuous hinge with improved bearing design |
| CN201148877Y (en) * | 2008-01-25 | 2008-11-12 | 张子鹏 | Pneumatic power interlock air door |
| CN201771947U (en) * | 2010-05-10 | 2011-03-23 | 鸿富锦精密工业（深圳）有限公司 | Hinge structure |
| CN202451217U (en) * | 2011-12-27 | 2012-09-26 | 山西创奇实业有限公司 | Inclined shaft and footrill self-weight reset explosion door |
-
2011
- 2011-12-27 CN CN2011104435314A patent/CN102418556A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062181A (en) * | 1991-02-12 | 1991-11-05 | The Stanley Works | Continuous hinge with improved bearing design |
| CN201148877Y (en) * | 2008-01-25 | 2008-11-12 | 张子鹏 | Pneumatic power interlock air door |
| CN201771947U (en) * | 2010-05-10 | 2011-03-23 | 鸿富锦精密工业（深圳）有限公司 | Hinge structure |
| CN202451217U (en) * | 2011-12-27 | 2012-09-26 | 山西创奇实业有限公司 | Inclined shaft and footrill self-weight reset explosion door |
Non-Patent Citations (1)
| Title |
|---|
| 梁炳福等: "改进矿井防爆门结构型式的建议", 《煤矿设计 》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748059A (en) * | 2012-08-08 | 2012-10-24 | 枣庄王晁煤矿有限责任公司 | Double-fan air tube automatic changeover device |
| CN108757035A (en) * | 2018-08-23 | 2018-11-06 | 扬州市江隆矿业设备有限公司 | Self-resetting type rotates upwardly and downwardly formula inclined shaft explosion proof door |
| CN108757035B (en) * | 2018-08-23 | 2024-01-26 | 扬州市江隆矿业设备有限公司 | Self-resetting up-down rotary type inclined shaft explosion-proof door |
| CN112610274A (en) * | 2020-12-16 | 2021-04-06 | 重庆大学 | Reserve explosion vent device of colliery inclined shaft |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |