CN215256289U - Anti-blocking walking device for air door - Google Patents
Anti-blocking walking device for air door Download PDFInfo
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- CN215256289U CN215256289U CN202121751500.0U CN202121751500U CN215256289U CN 215256289 U CN215256289 U CN 215256289U CN 202121751500 U CN202121751500 U CN 202121751500U CN 215256289 U CN215256289 U CN 215256289U
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- door
- door frame
- door body
- connecting rope
- air door
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- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 230000000670 limiting effect Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 32
- 239000000725 suspension Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The utility model provides an air door is with preventing that card hinders running gear, include: a door frame; the fixed pulley assembly is fixedly arranged on the outer surface of the door frame; the rails are arranged at the top and the bottom of the interior of the door frame; the door body is connected with the left side inside the door frame in a sliding manner; the movable pulley assemblies are fixedly arranged on two sides of the door body; the motor driving mechanism is arranged on the left side of the door frame, a first connecting rope and a second connecting rope are arranged on the surface of an output shaft of the motor driving mechanism, and the first connecting rope and the second connecting rope are fixedly connected with the fixed pulley assembly through the fixed pulley assembly. The utility model provides a pair of air door hinders running gear with anti-sticking can the door body at door frame rail mobile, avoids the door plant skew, and the door plant removes the resistance increase, and the extra resistance of bringing reaches prevention door plant walking card and hinders the phenomenon.
Description
Technical Field
The utility model relates to a mine ventilation field especially relates to an air door hinders running gear with anti-sticking.
Background
The mine ventilation means that fresh air is input into the underground mine to increase the oxygen concentration so as to dilute and eliminate toxic and harmful gases and dust in the mine.
The mine is ventilated through a main ventilator, the main ventilator is provided with two sets of main ventilators with the same capacity, one set is used and the other set is prepared, a standby ventilator can be started in a short time, the airflow of a ground main return air duct is closed, the air door control is adopted, each main ventilator is matched with the air door, the operation of the main ventilator is matched, the time for reversing the main ventilator is shortened as far as possible, the main ventilator can have an operation state in the shortest time, the mine can enable fresh airflow to enter in the shortest time, and the safety of the mine is guaranteed; an air door which is synchronously opened and closed with the shutdown time of the main ventilator is arranged,
the air door live time is longer to can lead to the increase of door box bottom deposition dust door plant moving resistance to and reasons such as door plant track deformation, the door plant can't in time be opened, brings the hidden danger to mine ventilation safety.
Therefore, it is necessary to provide an anti-blocking traveling device for an air door to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air door is with anti-sticking hinders running gear, it is longer to have solved the air door live time to can lead to door box bottom deposition dust door plant to remove the resistance increase, and reason such as door plant track deformation, the door plant can't in time be opened, brings the problem of hidden danger to the mine ventilation safety.
In order to solve the technical problem, the utility model provides a pair of air door hinders running gear with anti-sticking, include: a door frame;
the fixed pulley assembly is fixedly arranged on the outer surface of the door frame;
the rails are arranged at the top and the bottom of the interior of the door frame;
the door body is connected with the left side inside the door frame in a sliding manner;
the movable pulley assemblies are fixedly arranged on two sides of the door body;
the motor driving mechanism is arranged on the left side of the door frame, a first connecting rope and a second connecting rope are arranged on the surface of an output shaft of the motor driving mechanism, and the first connecting rope and the second connecting rope are fixedly connected with the fixed pulley assembly through the fixed pulley assembly.
Preferably, the top and the bottom of the door body are both fixedly provided with suspension wheel assemblies.
Preferably, the top and the bottom of the door body are fixedly provided with limiting wheel assemblies on the inner sides of the suspension wheel assemblies.
Preferably, the top and the bottom on the right side of the door body are both fixedly provided with a first limiting wheel, and the surface of the door body is provided with a flexible sealing piece.
The flexible sealing width of the door body is smaller than the sealing distance of the left door frame, and the door body is sealed on two sides, so that the air leakage rate of the door plate is reduced. Further the door body hangs, and the walking wheel is at the door plant top, avoids the influence that wind channel deposition is rolling to the walking wheel.
In the opening process of the door body, the sealing distance of the right door frame is larger than the flexible sealing width of the door body, the right door frame is not in contact with the flexible sealing end face, the friction resistance between the flexible sealing strip and the left door frame is reduced along with the increase of the opening of the door body, and no friction exists between the flexible sealing strip and the right door frame; further, the door body moves to the right side door frame, the distance between the right side door frames is larger than the width of the flexible sealing end face, and further, the diameters of the third limiting wheel and the sixth limiting wheel of the door body are larger than the width of the flexible sealing end face, so that no friction exists when the door body enters the right side.
The limiting wheel assemblies of the door body are all of roller structures, are in rolling friction of point contact, and avoid the difficulty in opening and closing the door body caused by deformation of the door body or deformation of a door frame.
The door body is provided with a movable pulley assembly, and the first connecting rope is fixed on the motor driving mechanism through all movable pulleys in the movable pulleys in sequence;
the second connecting rope is fixed on the motor driving mechanism through all the movable pulleys in the movable pulley assembly in sequence
The first connecting rope and the second connecting rope are fixed on the motor driving mechanism in opposite directions, and the starting ends of the first connecting rope and the second connecting rope acting on the door body are both arranged on the lower portion of the door body, so that resistance generated by self weight of the door plate can be overcome. Door body capable of being opened or closed evenly by each connecting rope
Preferably, sliding structures are arranged on two sides of the front surface and the back surface of the door frame.
Preferably, the sliding structure comprises a sliding groove, a sliding block is connected inside the sliding groove in a sliding mode, and a connecting rod is fixedly connected to the top of the sliding block.
Preferably, a protective cover is fixedly mounted on the connecting rod under estimation, and a communication port is formed in the left side of the protective cover.
Preferably, the bottom of the sliding block is fixedly connected with a connecting block, and the front face of the connecting block is fixedly provided with a bolt.
Compared with the prior art, the utility model provides a pair of air door hinders running gear with anti-sticking has following beneficial effect:
the utility model provides an air door is with preventing blocking running gear, in the door body closing process, the effect of first connecting rope and movable pulley assembly, the upper and lower portion of door body is the even pulling force simultaneously, overcomes the frictional resistance of the flexible sealing member of upper and lower portion, and further the track interval in the door frame is bigger than the door plant width, and when the door body moved the door frame on the right, door body and flexible sealing member do not have the friction; meanwhile, the door body moves on the door frame rail under the action of the limiting wheel assembly, so that the door plate is prevented from deviating, the moving resistance of the door plate is increased, the brought extra resistance is realized, and the phenomenon of preventing the door plate from walking and blocking is achieved.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of an anti-jamming traveling device for an air door according to the present invention;
FIG. 2 is a schematic structural view of the door body, the limiting wheel assembly and the movable pulley assembly shown in FIG. 1;
fig. 3 is a schematic structural view of a limit position of a door frame and a door body shown in fig. 1;
FIG. 4 is a schematic view of the left side cross section of FIG. 1;
fig. 5 is a schematic structural view of a second embodiment of an anti-blocking walking device for an air door according to the present invention;
fig. 6 is a schematic perspective view of the structure shown in fig. 5.
Reference numbers in the figures: 1. a motor driving mechanism, 2, a second connecting rope, 3, a first connecting rope, 4, a fixed pulley component, 5, a door body, 6, a door frame, 8, a movable pulley component, 9, a suspension wheel component, 10, a flexible sealing element, 11, a limiting wheel component, 12, a first limiting wheel, 13 and a track,
15. a sliding structure 151, a sliding groove 152, a sliding block 153 and a connecting rod,
16. a connecting block 17, a bolt 18, a protective cover 19 and a communicating port.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of an anti-blocking walking device for an air door according to the present invention; FIG. 2 is a schematic structural view of the door body, the limiting wheel assembly and the movable pulley assembly shown in FIG. 1; fig. 3 is a schematic structural view of a limit position of a door frame and a door body shown in fig. 1; fig. 4 is a schematic structural view of the left side cross section shown in fig. 1. An anti-jamming traveling device for an air door, comprising: a door frame 6;
the fixed pulley assembly 4 is fixedly arranged on the outer surface of the door frame 6;
the rails 13 are arranged at the top and the bottom of the interior of the door frame 6;
the door body 5 is connected with the left side inside the door frame 6 in a sliding manner;
the movable pulley assemblies 8 are fixedly arranged on two sides of the door body 5;
motor drive 1, motor drive 1 set up in the left side of door frame 6, motor drive 1's output shaft surface is provided with first connecting rope 3 and second connecting rope 2, two first connecting rope 3 and second connecting rope 2 through fixed pulley assembly 4 with move pulley assembly 8 fixed connection.
And suspension wheel assemblies 9 are fixedly mounted at the top and the bottom of the door body 5.
And limiting wheel assemblies 11 are fixedly arranged at the top and the bottom of the door body 5 and positioned on the inner sides of the suspension wheel assemblies 9.
The top and the bottom on the right side of the door body 5 are both fixedly provided with a first limiting wheel 12, and the surface of the door body 5 is provided with a flexible sealing piece 10.
The air door is connected between the mine return air duct and the main ventilator, when the air door is in a closed state, the door body 5 is hung in the cavity of the door frame 6, the door body 5 is movably installed in the inner space of the frame body, and the door body 5 is provided with a closing position for shielding the air port of the frame body and a ventilation position for avoiding the air port of the frame body.
The upper part of the door body 5 is fixedly provided with a limiting wheel assembly 11, the limiting wheel assembly 11 comprises a second limiting wheel, the second limiting wheel is fixedly arranged on the left side of the top of the door body 5, the right end of the top of the door body 5 is fixedly provided with a third limiting wheel and a fourth limiting wheel, and the lower part and the upper part of the door body 5 are symmetrically provided with a fifth limiting wheel, a sixth limiting wheel and a limiting wheel thereof; the distance between the rails 13 of the door frame 6 on the further left side is 296mm, the distance between the travel wheel rails of the door frame on the further right side is 296mm, and the distance between the door frame rails on the right side is larger than that between the door frame rails on the left side.
The track 13 on door frame 6 upper portion includes the spigot surface of horizontal setting, and the plane hangs suspension wheel subassembly 9 on the track 13, and suspension wheel subassembly 9 is including hanging the walking wheel, and the side plane contacts with the flexible sealing member 10 of door body 5, and the spacing wheel subassembly 11 butt in track 13 side plane on upper portion
The lower part track 13 that the door frame 6 bottom set up, the side of track 13 and the flexible sealing member 10 contact of door body 5, and the lower part of side and spacing wheel subassembly 11 butt are the track 13 moving plane of spacing wheel subassembly 11.
The width of the sealing end faces at two sides of the door body 5 is 290mm larger than the distance between the left door frame 6 and the track 13 is 286mm,
when the door body 5 moves to the door frame 6 on the right side, the distance between the sealing end surfaces on the two sides of the door body 5 is 290mm, and the distance between the rails 13 which are smaller than the distance between the rails 13 of the door frame 6 on the right side is 296mm.
The fourth limiting wheel and the seventh limiting wheel on the upper part and the lower part of the door body 5 stop at one side of the right door frame 6 when the door body 5 is in a closed state.
In the process that the door body 5 moves to the door frame 6 on the right side, due to the contact and limiting action of the fourth limiting wheel and the seventh limiting wheel with the right track 13, the flexible sealing part 10 of the door body 5 is not in contact with the right track 13
The utility model provides a pair of air door is with preventing that jamming travel device's theory of operation as follows:
when the door body is in a closed state: door body 5 is in door frame 6's left side, the shutoff ventiduct, because door frame 6's left side is sealed, the track interval is 286mm, and the width of the flexible sealing member 10 on door body 5 two sides is greater than the left side for 290mm and sealed, the track 13 interval is 4mm, and flexible sealing member 10 receives two-sided extrusion, improves the sealed effect of whole air door, reduces the rate of leaking out.
In the opening and moving process of the door body 5, the distance between the right side rails 13 of the door frame is 296mm and is larger than the width of the flexible sealing piece 13 by 6mm, the door frame 6 is not contacted with the end face of the flexible sealing piece 10, and the friction resistance is eliminated; as the opening of the door body 5 is increased, the frictional resistance between the flexible sealing piece 10 and the left door frame 6 is reduced; furthermore, the diameter of the first limiting wheel 12 of the door body 5 is larger than the width of the end face of the flexible sealing part 13, so that the movement deviation of the door body 5 is limited, the first limiting wheel 12 moves in the right door frame 6 in a rolling manner, and therefore the door body 5 does not have friction resistance when entering the right door frame 6.
In the closing and moving process of the door body 5: the interval of the seal of the left door frame 6 and the track 13 is 286mm, the width smaller than the flexible sealing element 10 of the door body is 4mm, and the diameter of the limiting wheel assembly 11 is 276mm, so that the single surface of the flexible sealing element 10 is extruded, the sealing effect of the door body 5 is facilitated, and the air leakage rate is reduced. The reduction of the friction resistance when the door body 5 moves is reduced, and the increase of the friction resistance caused by excessive deviation of the movement of the door body 5 is avoided; further, the first limiting wheel 12 is always positioned in the right door frame 6; so the diameter at spacing wheel subassembly 11 and first spacing wheel 12 matches with the track 13 of left side door frame 6 and the interval of the track 13 on right side, makes door 5 close the in-process and does not squint all the time, and flexible sealing member 10 receives the extrusion and is not more than for 2mm, spacing wheel roll removal to door 5 removes smoothly, reaches the anti-sticking phenomenon.
The opening or closing movement of the door body 5 is powered by the starting motor driving mechanism 1, and the upper part and the lower part of the door body 5 are uniformly stressed to open or close the ventilation channel through the matching of the first connecting rope 3, the second connecting rope 2 and the movable pulley assembly 8.
Compared with the prior art, the utility model provides a pair of air door hinders running gear with anti-sticking has following beneficial effect:
in the closing process of the door body 5, under the action of the first connecting rope 3 and the movable pulley assembly 8, the upper part and the lower part of the door body 5 are simultaneously pulled uniformly, the friction resistance of the flexible sealing parts 10 at the upper part and the lower part is overcome, further, the space between the tracks 13 in the door frame 6 is wider than the width of the door plate, and when the door body 5 moves to the door frame 6 at the right side, the door body 5 and the flexible sealing parts 10 have no friction; meanwhile, the limiting wheel assembly 11 is matched, the door body 5 moves on the door frame 6 through the tracks 13, the door body is prevented from deviating, the door plate moving resistance is increased, the brought extra resistance is achieved, and the phenomenon of preventing the door plate from walking and blocking is achieved.
Second embodiment
Referring to fig. 2, fig. 3 and fig. 5, based on the anti-blocking traveling device for a damper provided in the first embodiment of the present application, a second embodiment of the present application provides another anti-blocking traveling device for a damper. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that the air door provided with anti-sticking hinders running gear is that the air door hinders running gear with anti-sticking, the both sides at door frame 6 front and back all are provided with sliding structure 15.
The sliding structure 15 includes a sliding groove 151, a sliding block 152 is slidably connected inside the sliding groove 151, and a connecting rod 153 is fixedly connected to the top of the sliding block 152.
The underestimated connecting rod 153 is fixedly provided with a protective cover 18, and the left side of the protective cover 18 is provided with a communication port 19.
The components at the top of the door frame 6 can be conveniently connected with the driving assembly through the communication port 19, and the protection cover 18 can be promoted to not influence the normal work of the internal components in a closed state.
The bottom fixedly connected with connecting block 16 of slider 152, the front fixed mounting of connecting block 16 has bolt 17
The inside top of spout 151 has been seted up the draw-in groove, draw-in groove and bolt 17 looks adaptation to can inject the inside of draw-in groove through bolt 17 and fix the top at spout 151 to slider 152.
The utility model provides a pair of air door is with preventing that jamming travel device's theory of operation as follows:
when the spare part at door frame 6 top is maintained to needs, through upwards promoting slider 152, thereby make slider 152 carry out the rebound in the inside of spout 151, thereby the removal of rethread slider 152 drives connecting rod 153 and removes, the removal of rethread connecting rod 153 drives protection casing 18 and carries out the rebound, until with the complete opening of protection casing 18 can, thereby make the spare part at door frame 6 top expose outside, the rethread promotes bolt 17 to the inboard, thereby make bolt 17 move to the inboard and insert the inside of draw-in groove, thereby fix the current position at spout 151 with slider 152, thereby carry out the rigidity to the state that protection casing 18 was opened, again carry out the maintenance work to the spare part at door frame 6 top.
When the protection cover is in a closed state, the protection work is carried out on the parts at the top of the door frame through the protection cover.
Compared with the prior art, the utility model provides a pair of air door hinders running gear with anti-sticking has following beneficial effect:
can conveniently drive protection casing 18 through sliding structure 15 and carry out the rebound to can be convenient for work the manual work and go on maintaining the structure at door frame 6 top, easy operation, convenient and fast protects the spare part at door frame 6 top through protection casing 18 simultaneously, thereby can avoid spare part to receive the influence such as sand and stone dust in the mine, lead to unable normal work of carrying on, lead to life to shorten, thereby reduced later maintenance's cost.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an air door is with anti-sticking running gear that hinders which characterized in that includes: a door frame;
the fixed pulley assembly is fixedly arranged on the outer surface of the door frame;
the rails are arranged at the top and the bottom of the interior of the door frame;
the door body is connected with the left side inside the door frame in a sliding manner;
the movable pulley assemblies are fixedly arranged on two sides of the door body;
the motor driving mechanism is arranged on the left side of the door frame, a first connecting rope and a second connecting rope are arranged on the surface of an output shaft of the motor driving mechanism, and the first connecting rope and the second connecting rope are fixedly connected with the fixed pulley assembly through the fixed pulley assembly.
2. The anti-blocking traveling device for the air door according to claim 1, wherein suspension wheel assemblies are fixedly mounted at the top and the bottom of the door body.
3. The anti-blocking traveling device for the air door as claimed in claim 2, wherein limiting wheel assemblies are fixedly mounted at the top and the bottom of the door body and positioned at the inner side of the suspension wheel assembly.
4. The anti-blocking traveling device for the air door according to claim 1, wherein the first limiting wheels are fixedly mounted at the top and the bottom of the right side of the door body, and a flexible sealing piece is arranged on the surface of the door body.
5. The anti-blocking traveling device for the air door as claimed in claim 1, wherein sliding structures are provided on both sides of the front and back surfaces of the door frame.
6. The anti-blocking traveling device for the air door according to claim 5, wherein the sliding structure comprises a sliding groove, a sliding block is slidably connected inside the sliding groove, and a connecting rod is fixedly connected to the top of the sliding block.
7. The anti-blocking traveling device for the air door according to claim 6, wherein a protective cover is fixedly mounted on the connecting rod in a underestimation manner, and a communication port is formed in the left side of the protective cover.
8. The anti-blocking traveling device for the air door as claimed in claim 6, wherein a connecting block is fixedly connected to the bottom of the sliding block, and a bolt is fixedly mounted on the front surface of the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751500.0U CN215256289U (en) | 2021-07-30 | 2021-07-30 | Anti-blocking walking device for air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751500.0U CN215256289U (en) | 2021-07-30 | 2021-07-30 | Anti-blocking walking device for air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256289U true CN215256289U (en) | 2021-12-21 |
Family
ID=79495838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121751500.0U Active CN215256289U (en) | 2021-07-30 | 2021-07-30 | Anti-blocking walking device for air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256289U (en) |
-
2021
- 2021-07-30 CN CN202121751500.0U patent/CN215256289U/en active Active
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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: An anti jamming walking device for air doors Granted publication date: 20211221 Pledgee: Cangzhou Bank Co.,Ltd. Yanjiao Branch Pledgor: Yanjing Equipment Manufacturing Co.,Ltd. Registration number: Y2024980009117 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |