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無(wu)壓風門
In the coal mine ventilation system, damper is a kind of
common ventilation facilities, plays a very important role
in safety production of coal mine.

在(zai)煤(mei)礦礦井通風系(xi)統中(zhong),風門是一種常用
的通風設施,在(zai)煤(mei)礦安全生產中(zhong)起著非常
重要(yao)的 作用

無(wu)壓風門適(shi)用于
煤(mei)礦井下巷(xiang)道(dao)任何需要(yao)安設風門的地點(dian)

無(wu)壓風門主要(yao)用于礦山井下進回巷(xiang)和主要(yao)進回風巷(xiang)之間每個(ge)聯(lian)絡(luo)巷(xiang)中(zhong)
是目前所(suo)有風門的替代品

Non pressure air door is mainly used for underground mine into the back alley
And main return airway in between each contact Lane
Are all door alternatives.
無(wu)壓風門
無(wu)壓風門

無(wu)壓風門是目前我國(guo)煤(mei)礦井下較(jiao)為理想的一種zhi)緱牛 饕yao)用于礦山井下進回風
巷(xiang)和主要(yao)進回風巷(xiang)之間每個(ge)聯(lian)絡(luo)巷(xiang)中(zhong),它打破了長期以來老(lao)式傳統風門的結構型式,
巧妙地把(ba)作用在(zai)風門上(shang)的風壓通過平衡結構將其轉化為一種內力(li),充分顯示出(chu)該風
門結構合理。

Non pressure air door is a door of the ideal of underground coal mine in China, mainly used for underground
mine in return airway and main return airway between each connection, it has broken the traditional door
structure for a long time, cleverly to wind pressure on the air door through the balance structure is transformed
into a internal force, fully demonstrated the unique air structure
無(wu)壓風門

無(wu)壓風門使用簡單,安全可靠(kao)等(deng)優點(dian),受(shou)到專家和用戶的高
度評價,是目前這些風巷(xiang)中(zhong)所(suo)用風門的替代品。

Non pressure air door is simple to use, safe and reliable, highly evaluated by
experts and users, is currently used in the airway of an alternative.

無(wu)壓風門是由門框、門扇、連桿平衡機構和重錘(chui)等(deng)部分組成(cheng)

Non pressure air door is composed of a door frame,
door leaf, connecting rod balancing mechanism and a weight etc
無(wu)壓風門 無(wu)壓風門

兩扇風門分別向兩個(ge)方jiao)蚩kai)啟,通過連桿和支撐臂實現聯(lian)動
改變連桿長度可以調整風門的嚴密度

The two air doors were opened in two directions
To realize linkage through the connecting rod and the support arm
Change the length of the connecting rod can adjust the air tightness
無(wu)壓風門
無(wu)壓風門

如結構圖所(suo)示,兩扇門A、B通過支撐臂及連桿C連成(cheng)一個(ge)整體
當A向前運動時,另一扇門B在(zai)連桿的帶動下向後運動,
這樣打開(kai)風門的阻(zu)力(li)F只有啟動風門的氣動力(li)和重錘(chui)的重力(li),
因為風壓差作用在(zai)風門A上(shang)的力(li)等(deng)于作用在(zai)風門B上(shang)的力(li),而兩力(li)通過連桿相互抵(di)消,故稱為無(wu)壓風門。

If the structure is shown in the picture, the two door A, B are connected into a whole through a supporting arm and a connecting rod C
When the A moves forward, another door B backward movement are driven by a connecting rod,
This opens the throttle resistance F only start aerodynamic force and gravity hammer,
Because the pressure difference at the door A force equal to the force on the door B,
And the two force through the connecting rod to offset each other, it is called a non pressure air door.
無(wu)壓風門

因產品生產批次、具體型號(hao)不同,圖片(pian)僅供參考詳情可聯(lian)系(xi)我們的銷(xiao)售人(ren)員進行具體核(he)實

Because the production batches, the different models, the picture is for reference only Please contact our sales staff for specific verification 無(wu)壓風門
無(wu)壓風門 無(wu)壓風門 無(wu)壓風門 無(wu)壓風門

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無(wu)壓風門采用壓力(li)平衡原理,通過四連桿機構及固定在(zai)門框上(shang)的限位裝置實現兩扇風門異向同步開(kai)閉,風門關閉後使兩扇風門邊的擋風皮子嚴密接觸,具有良好(hao)的防漏風效果。由于作用在(zai)風門上(shang)的礦井負壓通過連 桿機構轉化為一種內力(li)並得(de)到平衡,風門開(kai)關力(li)的大(da)小取決于重錘(chui)的重量(liang)(重錘(chui)重量(liang)一hua)閽zai)10kg~25kg之間)從而保證了風門打開(kai)時省力(li)、方便 靈活。如圖2所(suo)示,由于兩扇風門的面(mian)積大(da)小近似相等(deng),則作用在(zai)兩扇風門上(shang)的礦井負壓也(ye)大(da)小相等(deng),即F1 F2,調整連桿機構是兩扇風門緊(jin)密接觸,風門處于關閉狀態,則作用于單扇上(shang)正(zheng)反力(li)矩相等(deng)。

Non pressure air door using the pressure balance principle, the four connecting rod mechanism and fixed on the door frame limiting device to realize the two air doors anisotropic synchronous opening and closing, close the throttle after the two fan door close contact with the skin, anti leakage effect is good. Due to the negative pressure in the air through the connecting rod mechanism into a kind of internal force and get the balance, door switch force depends on the size of the weight of the heavy hammer (hammer weight is generally 10kg ~ 25kg) so as to ensure the door open labor-saving, convenient and flexible. 無(wu)壓風門
無(wu)壓風門

風門開(kai)啟力(li)方面(mian),無(wu)壓風門由于每組風門由兩扇小風門組成(cheng),在(zai)開(kai)閉其中(zhong)一扇風門時無(wu)論開(kai)閉方jiao)蛉綰危 硪簧確緱乓煜蚩kai)閉,此時釋放了壓力(li),極易(yi)開(kai)閉,力(li)與(yu)風壓大(da)小及方jiao)蛭wu)關;而老(lao)式風門門扇笨重,在(zai)巷(xiang)道(dao)負壓較(jiao)大(da)的情況下很(hen)難開(kai)啟,需要(yao)4、5人(ren)同時方可開(kai)啟。

無(wu)壓風門
無(wu)壓風門
無(wu)壓風門

每套(tao)無(wu)壓風門有兩組風門組成(cheng),雙向隔風,無(wu)須(xu)再設反向風門;老(lao)式風門由于受(shou)巷(xiang)道(dao)負壓的影響,須(xu)安設反風門,以便在(zai)風流倒向時使用,每組有正(zheng)反兩扇風門既由兩組四扇風門組成(cheng)。

無(wu)壓風門

無(wu)壓風門雙面(mian)密封(feng),漏風量(liang)小;老(lao)式風門有時為了減少開(kai)啟壓力(li),會在(zai)風門上(shang)方安設小風門,這樣增加了風門的漏風量(liang)。

無(wu)壓風門
無(wu)壓風門
無(wu)壓風門

無(wu)壓風門系(xi)統簡單,堅固耐用,不會在(zai)開(kai)啟過程中(zhong)而損壞(huai)風門;老(lao)式風門由于難以開(kai)啟人(ren)們常常用重物(wu)撬、板風門易(yi)造成(cheng)風門的損壞(huai)。

無(wu)壓風門

無(wu)壓風門使用的壓力(li)平衡原理關閉平穩,安全可靠(kao);無(wu)壓風門每組風門有兩扇門打開(kai)時斷面(mian)積較(jiao)老(lao)式風門單扇門打開(kai)的面(mian)積大(da),容(rong)易(yi)行人(ren)、通車過料,不容(rong)易(yi)踫撞風門,而且老(lao)式風門則由于風門壓力(li)大(da)難以開(kai)啟容(rong)易(yi)造成(cheng)夾傷行人(ren)的事(shi)故,安全性能(neng)較(jiao)無(wu)壓風門差些。

無(wu)壓風門
無(wu)壓風門
無(wu)壓風門

無(wu)壓風門的整個(ge)材料由shang)破分瞥cheng)防火性能(neng)好(hao),能(neng)有效阻(zu)斷皮帶運輸巷(xiang)可能(neng)發生的火災,防止火災及有害氣體進入其它巷(xiang)道(dao),防腐、防潮性能(neng)也(ye)較(jiao)好(hao),且強度大(da),不易(yi)變形;老(lao)式風門的門腿子由方木做成(cheng),防腐、防潮性能(neng)較(jiao)差,長時間使用易(yi)壞(huai),需要(yao)更換。

無(wu)壓風門

無(wu)壓風門在(zai)重錘(chui)的作用下,兩風門之間可實現相互閉鎖,不易(yi)造成(cheng)風流短路(lu)的問(wen)題(ti)。

無(wu)壓風門
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