CN219971686U - Auxiliary lifting device for vertical air door for mine - Google Patents
Auxiliary lifting device for vertical air door for mine Download PDFInfo
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- CN219971686U CN219971686U CN202321244621.5U CN202321244621U CN219971686U CN 219971686 U CN219971686 U CN 219971686U CN 202321244621 U CN202321244621 U CN 202321244621U CN 219971686 U CN219971686 U CN 219971686U
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- fixedly connected
- transmission shaft
- air door
- rod
- vertical air
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 22
- 238000005065 mining Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a mining vertical air door auxiliary lifting device, which effectively solves the problem that a vertical air door cannot be quickly lifted when the switching of a daily fan and emergency disposal work are affected by faults; the winding box is internally provided with a winding shaft which is axially left and right and can rotate, the right side of the winding box is provided with a hollow motor, the output end of the hollow motor is fixedly connected with a transmission shaft, and the right side of the transmission shaft is fixedly connected with a plurality of convex blocks which are uniformly distributed along the circumferential direction of the transmission shaft; according to the utility model, the main gear, the auxiliary gear, the transmission shaft, the connecting block, the clamping groove, the rocker, the telescopic rod and the crank are arranged, when power failure or the hollow motor is out of action, the rocker can be rotated by the crank to drive the connecting block to rotate, the connecting block rotates the main gear through the transmission shaft, the main gear drives the winding shaft to rotate through the auxiliary gear, so that the vertical air door can be wound and lifted on the steel cable, the phenomenon that underground gas and the like exceed standards due to poor ventilation of a wellhead is avoided, air circulation is ensured, and safety of workers is ensured.
Description
Technical Field
The utility model relates to the technical field of vertical air door lifting, in particular to a mining vertical air door auxiliary lifting device.
Background
The vertical air door for mine is a device for mine ventilation system, which can control ventilation flow and direction to ensure air quality and working environment in mine, and is composed of a vertical door plate and a ventilator, and is usually controlled by a lifting device to open and close by the vertical air door so as to control air flow speed, and when the daily fan is switched and emergency disposal is safe, there may be problems of electrical or mechanical failure, etc., which may cause the downtime of mine main ventilator to exceed relevant regulations or cause the risk of local gas overrun in the pit, when power failure or electrical failure occurs, the vertical air door needs to be pulled up urgently to keep the ventilation of the wellhead, but the lifting of the vertical air door by manpower is time-consuming and labor-consuming, which is quite inconvenient.
Disclosure of Invention
Aiming at the situation, the utility model aims to overcome the defects of the prior art, and the utility model aims to provide the auxiliary hoisting device for the vertical air door for the mine, which effectively solves the problem that the vertical air door cannot be hoisted rapidly when the switching of a daily fan and the emergency treatment work are affected by faults.
The technical scheme includes that the winding box comprises a winding shaft which is axially arranged left and right and can rotate, a hollow motor is arranged on the right side of the winding box, the output end of the hollow motor is fixedly connected with a transmission shaft, the right side of the transmission shaft is fixedly connected with a plurality of bumps uniformly distributed along the circumferential direction of the transmission shaft, a connecting block with the inner wall matched with the bumps is sleeved on the transmission shaft, the right side of the connecting block is provided with a clamping groove, a rocker is detachably connected in the clamping groove, a telescopic rod capable of moving up and down is arranged in the rocker, the right end of the telescopic rod is fixedly connected with a front-back axial fixed shaft, and a crank capable of swinging up and down is hinged to the outer wall of the fixed shaft.
The right end of the winding shaft is fixedly connected with a slave gear, and the left side of the transmission shaft is fixedly connected with a master gear which can be meshed with the slave gear.
The right end of the connecting block is inserted with a screw, the left end of which penetrates through the connecting block and is inserted into the transmission shaft, and the screw is in threaded connection with the transmission shaft.
The limiting groove is formed in the right end of the rocker, the right end of the connecting block is in threaded connection with a limiting rod, the left end of the limiting rod can be inserted into the limiting groove, and the right end of the limiting rod is fixedly connected with a knob.
The front side and the back side in the rocker are respectively provided with a plurality of positioning grooves uniformly distributed along the up-down direction, the lower side of the telescopic rod is in sliding connection with two positioning blocks which are opposite in front and back, and the two positioning blocks can move relatively or reversely.
The telescopic rod is connected with a push rod in a sliding mode, the inner lower side wall of the telescopic rod is fixedly connected with two reset springs which are arranged between the telescopic rod and the push rod in a front-back opposite mode, a movable groove is formed in the lower side of the push rod, a positioning block can be inserted into the movable groove, two inclined grooves which are arranged on the left side and the right side of the push rod in a front-back opposite mode and are splayed are respectively formed in the left side and the right side of the push rod, and the left end and the right end of the positioning block are respectively fixedly connected with a balance rod which can be inserted into the corresponding inclined groove.
The jack is offered respectively to fixed axle downside and right side, and the crank sliding connection has the inserted bar of just L shape that can insert in its corresponding side jack, and inserted bar right-hand member fixedly connected with is located the pressure spring between inserted bar and the crank, and inserted bar front end fixedly connected with shifting block.
The utility model has smart structure and convenient use, and by arranging the main gear, the auxiliary gear, the transmission shaft, the connecting block, the clamping groove, the rocker, the telescopic rod and the crank, when power failure or the hollow motor is out of action, the rocker can be rotated by the crank to drive the connecting block to rotate, the connecting block rotates the main gear through the transmission shaft, the main gear drives the winding shaft to rotate by the auxiliary gear, and the vertical air door can be wound and lifted on the steel cable, thereby avoiding the exceeding of underground gas and the like caused by poor ventilation of a wellhead, ensuring air circulation and ensuring the safety of workers.
According to the structure, the push rod, the reset spring, the movable groove, the inclined groove and the balance rod are arranged, so that when the push rod is pressed down, the two positioning blocks relatively move to be separated from the positioning groove under the action of the inclined groove and the balance rod, the limit of the telescopic rod is relieved, the extension length of the telescopic rod can be changed to the most comfortable length according to the self condition of a worker, and the telescopic rod is convenient for the worker to use.
Drawings
Fig. 1 is an isometric view of the present utility model.
Fig. 2 is an isometric view of a take-up spool in the present utility model.
Fig. 3 is a front isometric view in full section of the present utility model.
Fig. 4 is a cut-away right side isometric view of the present utility model.
Fig. 5 is a right side isometric view of a putter in accordance with the present utility model.
Fig. 6 is a right side isometric view of a plunger of the present utility model.
Fig. 7 is an isometric view of an articulation block in accordance with the present utility model.
Fig. 8 is an enlarged view of a of fig. 3 according to the present utility model.
Fig. 9 is an enlarged view of B of fig. 3 according to the present utility model.
Fig. 10 is an enlarged view of C of fig. 4 in accordance with the present utility model.
In the figure: 1. a winding box; 2. a winding shaft; 3. a hollow motor; 4. a transmission shaft; 5. a joint block; 6. a clamping groove; 7. a rocker; 8. a telescopic rod; 9. a fixed shaft; 10. a crank; 11. a slave gear; 12. a main gear; 13. a screw; 14. a limit rod; 15. a positioning groove; 16. a positioning block; 17. a push rod; 18. a return spring; 19. a movable groove; 20. an inclined groove; 21. a balance bar; 22. a jack; 23. a rod; 24. a pressure spring; 25. and (5) a shifting block.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
The utility model provides by figures 1 to 10, including rolling case 1, be equipped with the axial about and rotatable rolling axle 2 in the rolling case 1, rolling case 1 right side is equipped with cavity motor 3, the output fixedly connected with transmission shaft 4 of cavity motor 3, transmission shaft 4 right side fixedly connected with is a plurality of lugs along its circumferencial direction equipartition, joint piece 5 of inner wall and a plurality of lug looks adaptation has been cup jointed on the transmission shaft 4, joint groove 6 has been seted up on joint piece 5 right side, dismantle in the joint groove 6 and be connected with rocker 7, be equipped with telescopic link 8 that can reciprocate in the rocker 7, telescopic link 8 right-hand member fixedly connected with front and back axial fixed axle 9, the crank 10 that can reciprocate is articulated to fixed axle 9 outer wall.
As shown in fig. 1 to 7, the winding box 1 and the winding shaft 2 are arranged to be convenient for winding the steel cable on the vertical air door, the air door is convenient to lift, the connecting block 5, the clamping groove 6, the rocker 7, the telescopic rod 8 and the crank 10 are arranged, when the power failure or the hollow motor 3 loses action, the crank 10 is utilized to rotate the rocker 7 to drive the connecting block 5 to rotate, and the inner wall of the connecting block 5 is clamped with the convex block on the transmission shaft 4, so that the connecting block 5 can drive the transmission shaft 4 to rotate, and then the winding shaft 2 can be driven to rotate, the winding shaft 2 can rotate to wind the steel cable to lift the vertical air door, the phenomenon that underground gas and the like exceed standards due to poor ventilation of a wellhead can be avoided, air circulation is ensured, and safety of workers is ensured.
The right end of the winding shaft 2 is fixedly connected with a slave gear 11, and the left side of the transmission shaft 4 is fixedly connected with a master gear 12 which can be meshed with the slave gear 11.
As shown in fig. 2, the secondary gear 11 and the main gear 12 can drive the winding shaft 2 to rotate by using the rotation of the transmission shaft 4, so that the hollow motor 3 can provide rotation power for the winding shaft 2.
The right end of the connecting block 5 is inserted with a screw 13, the left end of which penetrates through the connecting block 5 and is inserted into the transmission shaft 4, and the screw 13 is in threaded connection with the transmission shaft 4.
As shown in fig. 8, the set screw 13 can be used for well fixing the connecting block 5 and the transmission rod, so that loss caused by the connecting block 5 being lost after being randomly separated from the transmission shaft 4 in the process that the hollow motor 3 drives the transmission shaft 4 to rotate is avoided, and meanwhile, the connecting block 5 is easily separated from the transmission shaft 4 when a staff shakes the crank 10, so that the staff is required to install again, and time is wasted.
The right end of the rocker 7 is provided with a limit groove, the right end of the connecting block 5 is in threaded connection with a limit rod 14, the left end of the limit rod can be inserted into the limit groove, and the right end of the limit rod 14 is fixedly connected with a knob.
As shown in fig. 8, the limiting groove, the limiting rod 14 and the knob are arranged, and the limiting rod 14 can be rotated by the knob so as to enable the limiting rod 14 to enter into or leave from the limiting groove, thereby achieving the effects of being convenient to detach and fixing the rocker 7.
A plurality of positioning grooves 15 which are uniformly distributed along the up-down direction are respectively formed in the front side and the rear side of the rocker 7, two positioning blocks 16 which are opposite to each other in front and rear are connected to the lower side of the telescopic rod 8 in a sliding manner, and the two positioning blocks 16 can move oppositely or reversely.
As shown in fig. 10, the positioning groove 15 and the positioning block 16 are provided, and the positioning block 16 can be inserted into the positioning grooves 15 at different positions, so that the extending length of the telescopic rod 8 is changed, and the purpose of limiting the position of the telescopic rod 8 is achieved.
The telescopic rod 8 is connected with a push rod 17 in a sliding manner, the inner lower side wall of the telescopic rod 8 is fixedly connected with two reset springs 18 which are opposite front and back and located between the telescopic rod 8 and the push rod 17, a movable groove 19 is formed in the lower side of the push rod 17, a positioning block 16 can be inserted into the movable groove 19, two inclined grooves 20 which are opposite front and back and are splayed are respectively formed in the left side and the right side of the push rod 17, and the left end and the right end of the positioning block 16 are respectively fixedly connected with a balance rod 21 which can be inserted into the corresponding inclined groove 20.
As shown in fig. 5 and 10, the push rod 17, the return spring 18, the movable groove 19, the inclined groove 20 and the balance bar 21 are arranged, when the push rod 17 is pressed down, the inclined groove 20 moves downwards, the two balance bars 21 relatively move in the inclined groove 20, and further the positioning block 16 is driven to be separated from the positioning groove 15, the limit of the telescopic rod 8 is released, the extending length of the telescopic rod 8 can be changed to the most comfortable length according to the self condition of the staff, the staff can use conveniently, the push rod 17 is loosened, the return spring 18 resets the push rod 17, and then the positioning block 16 enters the corresponding positioning groove 15 under the action of the balance bars 21 and the inclined groove 20, so that the length adjustment of the telescopic rod 8 can be completed.
The lower side and the right side of the fixed shaft 9 are respectively provided with an inserting hole 22, an L-shaped inserting rod 23 which can be inserted into the corresponding side inserting hole 22 is connected in a sliding manner in the crank 10, the right end of the inserting rod 23 is fixedly connected with a pressure spring 24 positioned between the inserting rod 23 and the crank 10, and the front end of the inserting rod 23 is fixedly connected with a shifting block 25.
As shown in fig. 6 and 9, the jack 22, the insert rod 23, the shifting block 25 and the pressure spring 24 are provided, after the insert rod 23 is driven by the shifting block 25 to be separated from the jack 22, the insert rod 23 is inserted into the jack 22 on the right side of the fixed shaft 9 when in use, the crank 10 and the telescopic rod 8 are in a vertical state, so that the telescopic rod is convenient to use, the insert rod 23 can be inserted into the jack 22 on the lower side of the fixed shaft 9 when not in use, and the crank 10 and the telescopic rod 8 are parallel, so that the telescopic rod is convenient to store.
When the telescopic rod 8 is used, in an initial state in the figure, when the hollow motor 3 is damaged or has a power failure, a worker downwards presses the push rod 17 according to the situation of the worker, the push rod 17 downwards moves, the reset spring 18 compresses, the two balance rods 21 relatively move under the action of the inclined grooves 20, the balance rods 21 drive the positioning blocks 16 to be separated from the positioning grooves 15, the limit of the telescopic rod 8 is released, then the telescopic rod 8 is moved to enable the extension length to be the same as the requirement of the worker, then the push rod 17 is released, the push rod 17 upwards moves under the action of the reset spring 18, and the two positioning blocks 16 are reversely moved and inserted into the positioning grooves 15 on the corresponding sides of the two positioning blocks under the action of the balance rods 21 and the inclined grooves 20, so that the limit of the telescopic rod 8 is completed;
then, a worker can rotate the rocker 7 by using the crank 10, the rocker 7 drives the connecting block 5 to rotate, the connecting block 5 drives the transmission shaft 4 to rotate, the transmission shaft 4 drives the slave gear 11 to rotate through the master gear 12, the slave gear 11 drives the winding shaft 2 to rotate, and the winding shaft 2 can wind and lift the vertical air door on the steel cable;
after the fault of the hollow motor 3 is repaired, the knob is utilized to rotate the limiting rod 14 to separate the limiting rod from the clamping groove 6, then the rocker 7 is pulled out, the situation that the rocker 7 follows to rotate when the hollow motor 3 drives the transmission shaft 4 to rotate is avoided, people are easily injured, the push rod 17 is pressed down to release the limiting of the telescopic rod 8, the telescopic rod 8 is retracted into the rocker 7, then the push rod 17 is released to limit the telescopic rod 8, retraction of the telescopic rod 8 is completed, then the shifting block 25 is shifted to the right, the shifting block 25 drives the inserting rod 23 to move to the right to separate from the jack 22 on the right, the pressure spring 24 is contracted, then the crank 10 is swung downwards to be parallel to the telescopic rod 8, and after the push rod 23 enters into the jack 22 on the lower side of the fixed shaft 9 under the action of the pressure spring 24, retraction of the crank 10 is completed, and the rocker 7 is convenient to store;
when maintenance or power failure is needed, the rocker 7 can be inserted into the clamping groove 6, the knob is used for rotating the limiting rod 14 to enable the limiting rod to enter the limiting groove, fixing of the rocker 7 is completed, and then the initial state of the rocker 7 can be used when the rocker is recovered.
In the present utility model, the hollow motor 3 is a prior art, and will not be described in detail here.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a mining perpendicular air door auxiliary hoisting device, including rolling case (1), a serial communication port, be equipped with in rolling case (1) about axial and rotatable reel (2), rolling case (1) right side is equipped with cavity motor (3), the output fixedly connected with transmission shaft (4) of cavity motor (3), a plurality of lugs along its circumferencial direction equipartition of transmission shaft (4) right side fixedly connected with, joint piece (5) of inner wall and a plurality of lug looks adaptation have been cup jointed on transmission shaft (4), joint groove (6) have been offered on joint piece (5) right side, dismantle in joint groove (6) and be connected with rocker (7), be equipped with telescopic link (8) that can reciprocate in rocker (7), telescopic link (8) right-hand member fixedly connected with front and back axial fixed axle (9), the crank (10) that can reciprocate are articulated to fixed axle (9) outer wall.
2. The mining vertical air door auxiliary lifting device according to claim 1, wherein the right end of the winding shaft (2) is fixedly connected with a slave gear (11), and the left side of the transmission shaft (4) is fixedly connected with a master gear (12) which can be meshed with the slave gear (11).
3. The mining vertical air door auxiliary lifting device according to claim 1, wherein a screw (13) with the left end penetrating through the connecting block (5) and inserted into the transmission shaft (4) is inserted into the right end of the connecting block (5), and the screw (13) is in threaded connection with the transmission shaft (4).
4. The mining vertical air door auxiliary lifting device according to claim 1, wherein a limiting groove is formed in the right end of the rocker (7), a limiting rod (14) with the left end capable of being inserted into the limiting groove is connected with the right end of the connecting block (5) in a threaded mode, and a knob is fixedly connected with the right end of the limiting rod (14).
5. The mining vertical air door auxiliary lifting device according to claim 1, wherein a plurality of positioning grooves (15) which are uniformly distributed along the up-down direction are respectively formed in the front side and the rear side of the rocker (7), two positioning blocks (16) which are opposite to each other are connected to the lower side of the telescopic rod (8) in a sliding manner, and the two positioning blocks (16) can move relatively or reversely.
6. The mining vertical air door auxiliary lifting device according to claim 5, wherein a push rod (17) is connected in a sliding manner to the telescopic rod (8), two return springs (18) which are opposite front and back and are located between the telescopic rod (8) and the push rod (17) are fixedly connected to the inner lower side wall of the telescopic rod (8), a movable groove (19) is formed in the lower side of the push rod (17), a positioning block (16) can be inserted into the movable groove (19), two inclined grooves (20) which are opposite front and back and are splayed are formed in the left side and the right side of the push rod (17), and balance rods (21) which can be inserted into the corresponding inclined grooves (20) are fixedly connected to the left end and the right end of the positioning block (16).
7. The mining vertical air door auxiliary lifting device according to claim 1, wherein jacks (22) are respectively formed on the lower side and the right side of the fixed shaft (9), an L-shaped inserting rod (23) which can be inserted into the corresponding side jack (22) is connected in a sliding manner in the crank (10), a pressure spring (24) which is positioned between the inserting rod (23) and the crank (10) is fixedly connected to the right end of the inserting rod (23), and a shifting block (25) is fixedly connected to the front end of the inserting rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244621.5U CN219971686U (en) | 2023-05-22 | 2023-05-22 | Auxiliary lifting device for vertical air door for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244621.5U CN219971686U (en) | 2023-05-22 | 2023-05-22 | Auxiliary lifting device for vertical air door for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219971686U true CN219971686U (en) | 2023-11-07 |
Family
ID=88582633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321244621.5U Active CN219971686U (en) | 2023-05-22 | 2023-05-22 | Auxiliary lifting device for vertical air door for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219971686U (en) |
-
2023
- 2023-05-22 CN CN202321244621.5U patent/CN219971686U/en active Active
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