CN103243996A - Auxiliary door opening device, air door and ventilation system - Google Patents
Auxiliary door opening device, air door and ventilation system Download PDFInfo
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- CN103243996A CN103243996A CN2012100238307A CN201210023830A CN103243996A CN 103243996 A CN103243996 A CN 103243996A CN 2012100238307 A CN2012100238307 A CN 2012100238307A CN 201210023830 A CN201210023830 A CN 201210023830A CN 103243996 A CN103243996 A CN 103243996A
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Abstract
The invention provides an auxiliary door opening device, an air door and a ventilation system. The auxiliary door opening device comprises a first connection rod, a second connection rod and a third connection rod which are sequentially and fixedly connected. The first connection rod serves as a power arm, the second connection rod serves as a support arm, and the third connection rod serves as a resisting arm. The force arm length of the first connection rod is larger than that of the third connection rod. The auxiliary door opening device is used for being installed on the positive pressure side of the air door, the second connection rod is used for being connected with a door sash in a rotating mode, the other end of the third connection rod abuts against a door frame, and the third connection rod is used for abutting against the second connection rod under the drive of the first connection rod to drive the door sash to be away from the door frame; or the auxiliary door opening device is used for being installed on the negative pressure side of the air door, the second connection rod is used for being connected with the door frame in a rotating mode, the other end of the third connection rod abuts against the door sash, and the third connection rod rotates around the second connection rod under the drive of the first connection rod to abut against the door sash to be away from the door frame. By means of the auxiliary door opening device, the air door can be opened easily and conveniently.
Description
Technical field
The present invention relates to the mine ventilation structure technology, relate in particular to a kind of auxiliary door-opening apparatus, air door and ventilation system that is applied under the high negative pressure state.
Background technology
Ventilation system is one of requisite safety device in the mine manufacturing process, and ventilation system comprises the air channel, and is arranged on the air door in the air channel.Air door comprises the doorframe that is fixedly installed in the air channel, and the door leaf of a lateral edges and doorframe pivot joint.The effect of air door is: size and the wind speed of air quantity in the control air channel, guarantee the wind speed of setting and the requirement that air quantity meets safety code; When inverted ventilation, air door also can play certain barrier effect in addition.
In the actual job process, air door often need be opened, so that the operating personnel can pass through.But because the air door in the air channel mostly is under the high negative pressure state, namely the pressure of air door both sides is unequal, and the side that pressure is bigger is the malleation side of air door, and the less side of pressure is the suction side of air door.In the actual production, the pressure difference of air door both sides is excessive, and air door is in normally off, is difficult to open to the malleation side from suction side, makes personnel current difficult, and causes the air door casualty accident easily.
Summary of the invention
The invention provides a kind of auxiliary door-opening apparatus, air door and ventilation system, be used for optimizing the opening ways of existing air door, make air door be convenient to open.
The invention provides a kind of auxiliary door-opening apparatus, wherein, comprise fixedly connected in turn first connecting rod, second connecting rod and third connecting rod, described first connecting rod is as power arm, and described second connecting rod is as support arm, and described third connecting rod is as resistance arm; The arm of force length of described first connecting rod is greater than the arm of force length of described third connecting rod;
Described auxiliary door-opening apparatus is used for being installed in the malleation side of air door, described second connecting rod is used for being rotationally connected with door leaf, the other end of described third connecting rod is replaced on doorframe, and described third connecting rod is used for replacing described second connecting rod band under the drive of described first connecting rod and described door leaf away from described doorframe; Or
Described auxiliary door-opening apparatus is used for being installed in the suction side of air door, described second connecting rod is used for being rotationally connected with described doorframe, the other end of described third connecting rod is replaced on described door leaf, and described third connecting rod can be replaced described door leaf away from described doorframe around the rotation of described second connecting rod under the drive of described first connecting rod.
Aforesaid auxiliary door-opening apparatus preferably, also comprises supporting seat, is used for fixedlying connected with described door leaf or described doorframe;
Described second connecting rod rotates and is arranged in the described supporting seat, and described second connecting rod and door leaf be arranged in parallel;
One end of described third connecting rod is fixedly installed on the described second connecting rod, and the other end of described third connecting rod is replaced mutually with the door leaf of not fixing described supporting seat or doorframe;
One end of described first connecting rod is fixedly installed on the described second connecting rod.
Aforesaid auxiliary door-opening apparatus, preferably, described second connecting rod is horizontally disposed with or vertically arranges.
Aforesaid auxiliary door-opening apparatus, preferably, described first connecting rod, second connecting rod and third connecting rod are in the same plane.
Aforesaid auxiliary door-opening apparatus preferably, fixedly has axle sleeve on the described supporting seat, described second connecting rod is located in the described axle sleeve, and formation is rotationally connected.
Aforesaid auxiliary door-opening apparatus preferably, also comprises and rotates the pulley that is arranged on the described third connecting rod other end.
Aforesaid auxiliary door-opening apparatus preferably, also comprises slide plate, is used for being fixedly installed on doorframe or door leaf, the position of described slide plate and described pulley coupling.
Aforesaid auxiliary door-opening apparatus, preferably, described slide plate is the slide plate of metal material.
Aforesaid auxiliary door-opening apparatus, preferably,
Described supporting seat comprises integrated fixed head and junction plate, and the surface configuration of the end surface shape of fixed head and junction plate and described doorframe and door leaf coupling, and described fixed head is used for being fixed on described doorframe, and described axle sleeve is fixed on the described junction plate.
In the technique scheme, by lever principle, and the arm of force length of first connecting rod makes and only use less power can open air door, thereby realized the smooth opening of air door, and the opening degree of door leaf is convenient to control greater than the arm of force length of described third connecting rod.The auxiliary door-opening apparatus that uses technique scheme to provide need not the common application of force of many people, and is applicable to the opening and closing of any negative pressure state lower wind door, has saved manpower and materials energetically, has accomplished with using with opening.The said apparatus cost is low, and installation and maintenance are all very convenient, have high application value.
The present invention also provides a kind of air door, comprises for the doorframe that is fixedly installed on the air channel, and the door leaf of a lateral edges and the pivot joint of described doorframe, wherein, the arbitrary described auxiliary door-opening apparatus of the present invention is installed on the malleation side of described air door and/or the suction side.
Air door provided by the invention, no matter how big the pressure reduction of air door both sides is, can both open easily, improved the convenience that air door uses, and easy to utilize.
The present invention provides a kind of ventilation system for mine again, comprises the air channel at least, wherein, air door of the present invention is installed in the described air channel.
The ventilation system that technique scheme provides can effectively guarantee normally carrying out of operation under the mine, and the air door in the air channel can be with using with opening, and ensure that the staff's is current smoothly; Only need operating personnel namely can easily open air door, and be convenient to control the opening degree of air door, avoid throwing open or closing operating personnel are caused personal injury of air door.
Description of drawings
The auxiliary door-opening apparatus structural front view of the malleation side that Fig. 1 provides for the embodiment of the invention one;
The auxiliary door-opening apparatus structural front view of the suction side that Fig. 2 provides for the embodiment of the invention two;
The front view of the air door malleation side that Fig. 3 a provides for the embodiment of the invention three;
The front view of the air door suction side that Fig. 3 b provides for the embodiment of the invention three;
The air door lateral view that Fig. 3 c provides for the embodiment of the invention three.
Reference numeral:
The 1-first connecting rod; The 2-second connecting rod; The 3-third connecting rod;
The 4-supporting seat; The 5-axle sleeve; The 6-pulley;
The 7-slide plate; The 8-doorframe; The 9-door leaf;
The 41-fixed head; The 42-junction plate.
The specific embodiment
The embodiment of the invention provides a kind of auxiliary door-opening apparatus, this auxiliary door-opening apparatus can be installed in malleation side or the suction side of air door, the embodiment of the invention one is used for the situation that the explanation auxiliary door-opening apparatus is installed in the malleation side, referring to Fig. 1, the auxiliary door-opening apparatus structural front view of the malleation side that Fig. 1 provides for the embodiment of the invention one, this moment, the opening direction of door leaf was towards application of force person, second embodiment is used for the situation that the explanation auxiliary door-opening apparatus is installed in suction side, referring to Fig. 2, the auxiliary door-opening apparatus structural front view of the suction side that Fig. 2 provides for the embodiment of the invention two, this moment, the opening direction of door leaf was away from application of force person.The front view of the air door malleation side that Fig. 3 a provides for the embodiment of the invention three; The front view of the air door suction side that Fig. 3 b provides for the embodiment of the invention three; The air door lateral view that Fig. 3 c provides for the embodiment of the invention three.
Referring to Fig. 1 and Fig. 3 a, the embodiment of the invention one provides a kind of auxiliary door-opening apparatus, wherein simultaneously, comprise fixedly connected in turn first connecting rod 1, second connecting rod 2 and third connecting rod 3, first connecting rod 1 is as power arm, and second connecting rod 2 is as support arm, and third connecting rod 3 is as resistance arm; The arm of force length of first connecting rod 1 is greater than the arm of force length of third connecting rod 3; Auxiliary door-opening apparatus is used for being installed in the malleation side of air door, second connecting rod 2 is used for being rotationally connected with door leaf 9, the other end of third connecting rod 3 is replaced on doorframe 8, and third connecting rod 3 is used for replacing second connecting rod 2 under the drive of first connecting rod 1 and is being with door leaf 9 away from doorframe 8.What the arrow among Fig. 1 was illustrated is the connecting rod that translation is arranged again with respect to the existing rotation of doorframe, i.e. first connecting rod 1 and second connecting rod 2; This moment, the other end of third connecting rod 3 was replaced on doorframe 8, do not have translation, and the end that third connecting rod 3 is fixedlyed connected with second connecting rod 2 moved along with second connecting rod 2.
First connecting rod, second connecting rod and third connecting rod can constitute plane leverage or space bar, but the leverage that constitutes needs to realize the function of lever, makes door leaf can separate with doorframe.
Height with air door in the existing mine air channel is about 2.2m, it is example that width is about 1.6m, and when being in installment state, second connecting rod can be horizontally disposed with, first connecting rod and third connecting rod can disperse vertically to be arranged on the second connecting rod, and the length reference value of first connecting rod can be 600mm-650mm herein; The length of second connecting rod can be 220mm-240mm; The length of third connecting rod can be 200mm-220mm, and practice shows that above-mentioned value is practical, and the labor-saving effect is good.In the practical application, power arm is N times of resistance arm, and then power only need be the 1/N of resistance.
Herein particularly, auxiliary door-opening apparatus also comprises supporting seat 4, is used for fixedlying connected with door leaf 9 or doorframe 8; Particularly, if be installed in the malleation side, then supporting seat 4 is fixedlyed connected with door leaf 9, i.e. the situation of present embodiment signal; If be installed in suction side, then fixedly connected the situation of i.e. embodiment two signals with doorframe 8.Second connecting rod 2 rotates and is arranged in the supporting seat 4, and second connecting rod 2 be arranged in parallel with door leaf; One end of third connecting rod 3 is fixedly installed on the second connecting rod 2, and the other end of third connecting rod 3 is replaced mutually with not door leaf 9 or the doorframe 8 of fixed supporting seat 4, namely replaces with doorframe 8 in the present embodiment, namely replaces with door leaf 9 among the embodiment two; One end of first connecting rod 1 is fixedly installed on the second connecting rod 2.The arm of force length of first connecting rod 1 is greater than the arm of force length of third connecting rod 3 namely herein: the other end of first connecting rod 1 around the rotation arm of force of second connecting rod 2 greater than the rotation arm of force of third connecting rod 3 other ends around second connecting rod 2.
Adopt the said structure form, make that the overall structure of auxiliary door-opening apparatus is simply compact, and easy to use.
Further, referring to Fig. 1, second connecting rod 2 is horizontally disposed with or vertically arranges, and this sentences and is horizontally placed to example.So arranging, also is for the ease of operation.
Referring to Fig. 1, preferably, first connecting rod 1, second connecting rod 2 and third connecting rod 3 are in the same plane.Can reduce manufacture difficulty like this, reduce manufacturing cost.
The scheme of installation of auxiliary door-opening apparatus can under this installation situation, apply moment to first connecting rod 1 referring to Fig. 3 a in the technique scheme, the other end of third connecting rod 3 replace on doorframe 8 and the support end as giving birth to the force.Because the reaction force of 8 pairs of third connecting rods 3 of doorframe makes third connecting rod 3 replace second connecting rod 2 and rotates and translation with respect to doorframe 8, and be with door leaf 9 away from doorframe 8 by second connecting rod 2 that namely this moment, door leaf 9 was towards the direction motion that approaches the person of applying.Subsequently, the slit occurs between door leaf 9 and the doorframe 8, make the pressure difference rapid drawdown of door leaf 9 both sides.At this moment, with the handle that pulls on the door leaf 9, just be easy to air door is opened again.
In the technique scheme, by lever principle, and the arm of force length of first connecting rod makes and only use less power can open air door, thereby realized the smooth opening of air door, and the opening degree of door leaf is convenient to control greater than the arm of force length of described third connecting rod.The auxiliary door-opening apparatus that uses technique scheme to provide need not the common application of force of many people, and is applicable to the opening and closing of any negative pressure state lower wind door, has saved manpower and materials energetically, has accomplished with using with opening.The said apparatus cost is low, and installation and maintenance are all very convenient, have high application value.Be in when opening or closing at air door, under the nature, first connecting rod under the effect of gravity, automatically and door leaf be in sagging fit-state.
Referring to Fig. 1 and Fig. 3 a, further, on the supporting seat 4 of auxiliary door-opening apparatus axle sleeve 5 is arranged fixedly, second connecting rod 2 is located in the axle sleeve 5, and formation is rotationally connected.Herein, the direction level that arranges of axle sleeve 5 central axiss, so setting also is for the ease of second connecting rod 2 is horizontally disposed with, so that second connecting rod 2 is rotationally connected with door leaf 9 or doorframe 8.
Referring to Fig. 1 and Fig. 3 a, in the process of opening the door, if auxiliary door-opening apparatus is installed in the malleation side of air door, the support end of third connecting rod 3 can be moved along doorframe 8; Referring to Fig. 2, if be installed in suction side, the support end of third connecting rod 3 can be along door leaf 9 slippages, for the support end that increases third connecting rod 3 and the contact area between door leaf 9 or the doorframe 8, reduce the resistance of motion of third connecting rod 3, alternatively, auxiliary door-opening apparatus comprises that also rotation is arranged on the pulley 6 of third connecting rod 3 other ends.
Referring to Fig. 3 a or Fig. 3 b, because pulley 6 is generally metal material, in order to reduce the damage of 6 pairs of door leafs 9 of pulley or doorframe 8, auxiliary door-opening apparatus also can comprise slide plate 7, be used for being fixedly installed on doorframe 8 or door leaf 9, the position of slide plate 7 and pulley 6 couplings are so that pulley 6 can slide along slide plate 7.
So-called coupling refers to that if pulley 6 is replaced on door leaf 9, then slide plate 7 just is fixed on the door leaf 9; If pulley 6 is replaced on doorframe 8, then slide plate 7 just is fixed on the doorframe 8.
In order to improve the application life of slide plate 7, further, slide plate 7 is the slide plate 7 of metal material.
The auxiliary door-opening apparatus of technique scheme, owing to be provided with pulley, the resistance in the process of opening the door is little, is convenient to carry out opening door operation; By slide plate is set, avoided the damage to door leaf or doorframe, reduced the maintenance cost of air door, improved the application life of air door.
Referring to Fig. 2, the embodiment of the invention two provides a kind of auxiliary door-opening apparatus, wherein, comprise fixedly connected in turn first connecting rod 1, second connecting rod 2 and third connecting rod 3, first connecting rod 1 is as power arm, and second connecting rod 2 is as support arm, and third connecting rod 3 is as resistance arm; The arm of force length of first connecting rod 1 is greater than the arm of force length of third connecting rod 3, and two arm of forces are parallel to each other; Auxiliary door-opening apparatus is used for being installed in the suction side of air door, second connecting rod 2 is used for being rotationally connected with doorframe 8, the other end of third connecting rod 3 is replaced on door leaf 9, and third connecting rod 3 can be replaced door leaf 9 away from doorframe 8 around the rotation of second connecting rod 2 under the drive of first connecting rod 1.
With above-mentioned, first connecting rod, second connecting rod and third connecting rod can constitute plane leverage or space bar, but the leverage that constitutes needs to realize the function of lever, makes door leaf can separate with doorframe.
The auxiliary door-opening apparatus that the embodiment of the invention provides is installed in the suction side of air door, and scheme of installation can be referring to Fig. 3 b, and under this installation situation, second connecting rod 2 has only rotation with respect to doorframe 8, does not have translation.First connecting rod 1 is applied moment, and third connecting rod 3 is replaced on door leaf 9, and third connecting rod 3 is replaced support end on door leaf 9 as giving birth to the force.Because the reaction force of 9 pairs of third connecting rods 3 of door leaf makes the second connecting rod 2 of fixedlying connected with third connecting rod 3 drive door leaf 9 away from doorframe 8, namely this moment, door leaf 9 was towards the direction motion away from the person of applying.Subsequently, the slit occurs between door leaf 9 and the doorframe 8, make the pressure difference rapid drawdown of door leaf 9 both sides.At this moment, use the handle on the hand push door leaf 9 again, just be easy to air door is opened.The signal of arrow among Fig. 2 be the connecting rod that also has translation with respect to the existing rotation of doorframe and an end, i.e. first connecting rod 1 and third connecting rod 3.
Herein particularly, auxiliary door-opening apparatus also comprises supporting seat 4, is used for fixedlying connected with door leaf 9 or doorframe 8; Particularly, if be installed in the malleation side, then supporting seat 4 is fixedlyed connected with door leaf 9, i.e. the situation of embodiment one signal; If be installed in suction side, then fixedly connected the situation of i.e. present embodiment signal with doorframe 8.Second connecting rod 2 rotates and is arranged in the supporting seat 4, and second connecting rod 2 be arranged in parallel with door leaf; One end of third connecting rod 3 is fixedly installed on the second connecting rod 2, and the other end of third connecting rod 3 is replaced mutually with not door leaf 9 or the doorframe 8 of fixed supporting seat 4, namely replaces with doorframe 8 among the embodiment one, namely replaces with door leaf 9 in the present embodiment; One end of first connecting rod 1 is fixedly installed on the second connecting rod 2.The arm of force length of first connecting rod 1 is greater than the arm of force length of third connecting rod 3 namely herein: the other end of first connecting rod 1 around the rotation arm of force of second connecting rod 2 greater than the rotation arm of force of third connecting rod 3 other ends around second connecting rod 2.Adopt the said structure form, make that the overall structure of auxiliary door-opening apparatus is simply compact, and easy to use.
Further, referring to Fig. 2, second connecting rod 2 is horizontally disposed with or vertically arranges, and this sentences and is horizontally placed to example.So arranging, also is for the ease of operation.
Referring to Fig. 2, preferably, first connecting rod 1, second connecting rod 2 and third connecting rod 3 are in the same plane.Can reduce manufacture difficulty like this, reduce manufacturing cost.
Adopt the structure identical with above-described embodiment, axle sleeve 5 is fixedly arranged on the supporting seat 4, second connecting rod 2 is located in the axle sleeve 5, and formation is rotationally connected.
Because the position of doorframe 8 is fixed, interfere the rotation of second connecting rod 2 in order to prevent doorframe 8, further, supporting seat 4 can adopt following implementation, supporting seat 4 comprises integrated fixed head 41 and junction plate 42, and the surface configuration of the end surface shape of fixed head 41 and junction plate 42 and doorframe 8 and door leaf 9 coupling, fixed head 41 is used for being fixed on doorframe 8, and axle sleeve 5 is fixed on the junction plate 42.
Herein, such as, the shape of cross section of supporting seat 4 can be " Z " type, and doorframe 8 has certain thickness, and fixed head 41 is fixed on the side of doorframe 8, and specifically referring to Fig. 3 c, junction plate 42 is set in parallel in the suction side of door leaf 9.Supporting seat 4 " Z " type that is designed to also had following benefit: because axle sleeve 5 is installed on the junction plate 42, fixed head 41 is fixed on the side of doorframe 8, supporting seat 4 adopts " Z " type structure to compare with adopting slabbed construction, can be so that second connecting rod 2 be near apart from the distance of doorframe 8, also just the other end of feasible third connecting rod 3 of fixedlying connected with second connecting rod 2 can be tried one's best near the edge of door leaf 9, and first connecting rod 1 is being applied under the prerequisite of same function power, the other end of third connecting rod 3 is more near apart from the edge of door leaf 9, the rotating torque that door leaf 9 is subjected to is more big, and door leaf 9 is easy opening more.Adopt the supporting seat 4 of above-mentioned implementation, be particularly useful for the situation that auxiliary door-opening apparatus is installed in suction side.
In addition, in the present embodiment, the straight-bar structure is not adopted in the support end of third connecting rod 3, but bends towards the edge of door leaf 9, can make pulley 6 as far as possible near door leaf 9 edges like this, makes air door be convenient to open.
Referring to Fig. 3 a, Fig. 3 b and Fig. 3 c, the embodiment of the invention three provides a kind of air door, comprise for the doorframe 8 that is fixedly installed on the air channel, and the door leaf 9 that articulates of lateral edges and doorframe 8, wherein on the malleation side of air door and/or the suction side the described auxiliary door-opening apparatus of any embodiment of the present invention is installed.
It is example that present embodiment respectively is equipped with an auxiliary door-opening apparatus with the malleation side of air door and suction side, wherein, Fig. 3 a signal be, when auxiliary door-opening apparatus is installed in air door malleation side, the front view of air door malleation side, what the arrow among Fig. 3 a was illustrated is that door leaf is opened towards application of force person; Fig. 3 b signal be, when auxiliary door-opening apparatus is installed in the air door suction side, the front view of air door suction side, the arrow signal among Fig. 3 b be that door leaf is opened away from application of force person.In the practical application, all can be easy to open air door for the ease of malleation side and suction side from air door, can one cover auxiliary door-opening apparatus respectively be installed at malleation side and the suction side of air door.
Herein, the supporting seat of air door malleation side and suction side auxiliary door-opening apparatus has adopted different implementations, the supporting seat that is specially the malleation side has adopted the implementation shown in the embodiment one, implementation shown in the supporting seat embodiment two of suction side, what Fig. 3 c illustrated is the lateral view of air door, when supporting seat 4 adopted " Z " type structure, the fixed head 41 of supporting seat 4 was fixed on the side of doorframe 8.
Be understandable that in the situation shown in Fig. 3 a, the link position of first connecting rod 1 and second connecting rod 2 edge near door leaf 9 of should trying one's best to increase the suffered moment of door leaf 9, makes door leaf 9 be convenient to open; In the situation shown in Fig. 3 b, the edge near door leaf 9 of should trying one's best, the support end of third connecting rod 3 is to increase the suffered moment of door leaf 9, so that door leaf 9 is convenient to open.
The air door that the embodiment of the invention provides, no matter how big the pressure reduction of air door both sides is, can both open easily, improved the convenience that air door uses, and easy to utilize.
The embodiment of the invention also provides a kind of ventilation system for mine, comprises the air channel at least, wherein, the air door that any embodiment of the present invention provides is installed in the described air channel.
The ventilation system that technique scheme provides can effectively guarantee normally carrying out of operation under the mine, and the air door in the air channel can be with using with opening, and ensure that the staff's is current smoothly; Only need operating personnel namely can easily open air door, and be convenient to control the opening degree of air door, that avoids air door throws open or closes the personal injury that operating personnel are caused.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although the present invention has been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. an auxiliary door-opening apparatus is characterized in that, comprises fixedly connected in turn first connecting rod, second connecting rod and third connecting rod, and described first connecting rod is as power arm, and described second connecting rod is as support arm, and described third connecting rod is as resistance arm; The arm of force length of described first connecting rod is greater than the arm of force length of described third connecting rod;
Described auxiliary door-opening apparatus is used for being installed in the malleation side of air door, described second connecting rod is used for being rotationally connected with door leaf, the other end of described third connecting rod is replaced on doorframe, and described third connecting rod is used for replacing described second connecting rod band under the drive of described first connecting rod and described door leaf away from described doorframe; Or
Described auxiliary door-opening apparatus is used for being installed in the suction side of air door, described second connecting rod is used for being rotationally connected with described doorframe, the other end of described third connecting rod is replaced on described door leaf, and described third connecting rod can be replaced described door leaf away from described doorframe around the rotation of described second connecting rod under the drive of described first connecting rod.
2. auxiliary door-opening apparatus according to claim 1 is characterized in that, also comprises supporting seat, is used for fixedlying connected with described door leaf or described doorframe;
Described second connecting rod rotates and is arranged in the described supporting seat, and described second connecting rod and door leaf be arranged in parallel;
One end of described third connecting rod is fixedly installed on the described second connecting rod, and the other end of described third connecting rod is replaced mutually with the door leaf of not fixing described supporting seat or doorframe;
One end of described first connecting rod is fixedly installed on the described second connecting rod.
3. auxiliary door-opening apparatus according to claim 2 is characterized in that: described second connecting rod is horizontally disposed with or vertically arranges.
4. auxiliary door-opening apparatus according to claim 3, it is characterized in that: described first connecting rod, second connecting rod and third connecting rod are in the same plane.
5. auxiliary door-opening apparatus according to claim 2 is characterized in that, axle sleeve is fixedly arranged on the described supporting seat, and described second connecting rod is located in the described axle sleeve, and formation is rotationally connected.
6. auxiliary door-opening apparatus according to claim 1 is characterized in that, also comprises rotating the pulley that is arranged on the described third connecting rod other end.
7. auxiliary door-opening apparatus according to claim 6 is characterized in that, also comprises slide plate, is used for being fixedly installed on doorframe or door leaf, the position of described slide plate and described pulley coupling.
8. auxiliary door-opening apparatus according to claim 7 is characterized in that, described slide plate is the slide plate of metal material.
9. auxiliary door-opening apparatus according to claim 5 is characterized in that,
Described supporting seat comprises integrated fixed head and junction plate, and the surface configuration of the end surface shape of fixed head and junction plate and described doorframe and door leaf coupling, and described fixed head is used for being fixed on described doorframe, and described axle sleeve is fixed on the described junction plate.
10. an air door comprises for the doorframe that is fixedly installed on the air channel, and the door leaf of a lateral edges and the pivot joint of described doorframe, it is characterized in that, the arbitrary described auxiliary door-opening apparatus of claim 1-9 is installed on the malleation side of described air door and/or the suction side.
11. a ventilation system that is used for mine comprises the air channel at least, it is characterized in that, the described air door of claim 10 is installed in the described air channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210023830.7A CN103243996B (en) | 2012-02-03 | 2012-02-03 | Auxiliary door-opening apparatus, air door and ventilation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210023830.7A CN103243996B (en) | 2012-02-03 | 2012-02-03 | Auxiliary door-opening apparatus, air door and ventilation system |
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| CN103243996A true CN103243996A (en) | 2013-08-14 |
| CN103243996B CN103243996B (en) | 2016-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441523A (en) * | 2018-11-01 | 2019-03-08 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of wooden permanent air throttle of external hanging type resistance to compression and its erection method |
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| US2593710A (en) * | 1944-10-16 | 1952-04-22 | Warner Frederick James | Door operator |
| CN2196180Y (en) * | 1994-05-10 | 1995-05-03 | 栾正 | Push rod air door |
| CN2858956Y (en) * | 2005-11-28 | 2007-01-17 | 高建顺 | Handle for mine air door |
| CN201521312U (en) * | 2009-10-27 | 2010-07-07 | 山西焦煤集团有限责任公司 | Underground ventilation door open pressure reducing device |
| CN102587953A (en) * | 2011-01-14 | 2012-07-18 | 淮南矿业(集团)有限责任公司 | Air door for mine |
| CN202441410U (en) * | 2012-02-03 | 2012-09-19 | 淮南矿业(集团)有限责任公司 | Auxiliary door opening device, air door and ventilation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441523A (en) * | 2018-11-01 | 2019-03-08 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of wooden permanent air throttle of external hanging type resistance to compression and its erection method |
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| CN103243996B (en) | 2016-04-13 |
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