CN221220928U - Special induced draft hood for coal mine ventilation equipment - Google Patents
Special induced draft hood for coal mine ventilation equipment Download PDFInfo
- Publication number
- CN221220928U CN221220928U CN202322674907.3U CN202322674907U CN221220928U CN 221220928 U CN221220928 U CN 221220928U CN 202322674907 U CN202322674907 U CN 202322674907U CN 221220928 U CN221220928 U CN 221220928U
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- Prior art keywords
- rod
- fixedly connected
- induced draft
- draft hood
- ventilation equipment
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- 238000009423 ventilation Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 230000006698 induction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007865 diluting Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
The utility model discloses a special induced draft hood for coal mine ventilation equipment, which effectively solves the problems that the use angle and the height of the induced draft hood are inconvenient to adjust; the device comprises a bracket, wherein a mounting groove is formed in the middle of the bracket, a fixing rod is rotationally connected in the mounting groove, the outer wall of the fixing rod is fixedly connected with a swinging rod of which the right end can swing back and forth, and the lower end of the right side of the swinging rod is rotationally connected with a rotating sleeve rod; the utility model has smart structure and convenient use, and the fixed rod, the swinging rod, the rotating sleeve rod, the lifting rod, the thread groove and the convex ball are arranged, so that the swinging rod can be moved to drive the induced draft hood to rotate in angle, the air suction angle of the induced draft hood can be conveniently changed, the induced draft can be changed at multiple angles, and meanwhile, the height of the lifting rod is changed by rotating the rotating sleeve rod under the action of the convex ball and the thread groove, so that the purpose of changing the height of the induced draft hood is achieved, the application range is improved, the operation difficulty is reduced, the induced draft angle is not required to be changed by integrally moving the ventilation equipment, and the utility model is very convenient.
Description
Technical Field
The utility model relates to the technical field of accessories of coal mine ventilation equipment, in particular to a special induced draft cover for the coal mine ventilation equipment.
Background
Mine ventilation refers to the process of inputting fresh air into a mine, increasing the oxygen concentration, diluting and discharging toxic and harmful gases and dust in the mine, sending enough fresh air into the mine, ensuring personnel to breathe, blowing away and diluting the harmful gases and dust in the mine, discharging dirty air to the ground, ensuring the health and safety of the personnel, adjusting the temperature and humidity of the mine and the like, creating more comfortable working conditions, often needing ventilation equipment during coal mining, and installing a ventilation hood at an exhaust port in order to improve ventilation efficiency, wherein the angle and the height of the existing ventilation hood are inconvenient to adjust according to the field condition in the use process.
Disclosure of utility model
Aiming at the situation, the utility model aims to overcome the defects of the prior art, and aims to provide the special air guiding cover for the coal mine ventilation equipment, so that the problems that the use angle and the height of the air guiding cover are inconvenient to adjust are effectively solved.
The technical scheme includes that the device comprises a support, a mounting groove is formed in the middle of the support, a fixing rod is rotationally connected to the mounting groove, a swinging rod with the right end capable of swinging back and forth is fixedly connected to the outer wall of the fixing rod, a rotating sleeve rod is rotationally connected to the right lower end of the swinging rod, a lifting rod capable of moving up and down is sleeved in the rotating sleeve rod, a plurality of thread grooves which are uniformly distributed along the circumferential direction of the lifting rod are formed in the lifting rod, a plurality of convex balls which are in one-to-one correspondence with the thread grooves and are located in the corresponding side thread grooves are fixedly connected to the inner wall of the rotating sleeve rod, a gear I is fixedly connected to the lower end of the rotating sleeve rod, a rotatable gear II is arranged below the middle of the swinging rod, and the gear II is meshed with the gear I through a toothed chain.
The support upper end fixedly connected with dryer is equipped with the exhaust fan in the dryer, lifter upper end fixedly connected with supporting ring, and fixedly connected with induced air cover in the supporting ring, induced air cover left end is through flexible pipe and dryer right-hand member fixed connection.
The installation groove is internally provided with a rotatable lead screw, the front side and the rear side of the lead screw are respectively and rotationally connected with a support, the lower end of the support is fixedly connected with a support, the outer wall of the lead screw is in threaded connection with a moving block, a U-shaped connection frame is rotationally connected on the moving block, the front side and the rear side of the swinging rod are respectively provided with a waist-shaped groove, and the front side and the rear side of the connection frame are respectively and fixedly connected with a connection block inserted into the waist-shaped groove on the corresponding side of the connection frame.
The mounting groove is internally fixedly connected with a rotating motor positioned right in front of the screw rod, and the output end of the rotating motor is fixedly connected with the screw rod.
The utility model discloses a swing arm, including swinging arms, dead lever, support, lifter, locating lever, support, locating lever, support right side, locating lever, arc center and the coaxial arc groove of dead lever centre of a circle, locating lever is located the arc inslot to have seted up on swinging arms right side upper end fixedly connected with and rotating the coaxial spacing loop bar of loop bar, and the arc center is seted up on the support right side and the coaxial arc groove of dead lever centre of a circle, and the lifter is located the spacing loop bar, and the lifter is located the groove of stepping down to have been seted up to a plurality of locating levers with spacing groove one-to-one and being located its corresponding side spacing inslot to the spacing loop bar, and the groove of stepping down is located the arc groove under the support.
The middle part of the swinging rod is fixedly connected with a rotating motor which is coaxial with the gear II, and the output end of the rotating motor is fixedly connected with the upper end of the gear II.
The rotary rod is rotationally connected to the front side of the support, the pointer is fixedly connected to the right side of the upper end of the rotary rod, the scale table taking the rotary rod as the center of a circle is arranged on the upper side of the support, the belt is sleeved on the outer wall of the fixed rod, and the front side of the belt is sleeved with the rotary rod.
The lower end of the middle part of the swinging rod is fixedly connected with a U-shaped rod, and the middle part of the U-shaped rod is rotationally connected with a supporting wheel.
The lower ends of the first gear and the second gear are fixedly connected with a baffle.
The utility model has smart structure and convenient use, and the fixed rod, the swinging rod, the rotating sleeve rod, the lifting rod, the thread groove and the convex ball are arranged, so that the swinging rod can be moved to drive the induced draft hood to rotate in angle, the air suction angle of the induced draft hood can be conveniently changed, the induced draft can be changed at multiple angles, and meanwhile, the height of the lifting rod is changed by rotating the rotating sleeve rod under the action of the convex ball and the thread groove, so that the purpose of changing the height of the induced draft hood is achieved, the application range is improved, the operation difficulty is reduced, the induced draft angle is not required to be changed by integrally moving the ventilation equipment, and the utility model is very convenient.
Drawings
Fig. 1 is an isometric view of the present utility model.
Fig. 2 is a front isometric view in full section of the present utility model.
Fig. 3 is an isometric view of a lead screw in the present utility model.
Fig. 4 is a bottom isometric view of the present utility model.
Fig. 5 is an isometric view of a swivel sleeve of the present utility model.
Fig. 6 is an isometric view of an adapter frame of the present utility model.
Fig. 7 is an enlarged view of a of fig. 2 according to the present utility model.
In the figure: 1. a bracket; 2. a mounting groove; 3. a fixed rod; 4. a swinging rod; 5. rotating the loop bar; 6. a lifting rod; 7. a thread groove; 8. a convex ball; 9. a first gear; 10. a second gear; 11. a toothed chain; 12. a screw rod; 13. a moving block; 14. a connection frame; 15. a kidney-shaped groove; 16. a joint block; 17. a rotating electric machine; 18. a limit loop bar; 19. an arc-shaped groove; 20. a limit groove; 21. a limit rod; 22. a relief groove; 23. a rotating motor; 24. an air duct; 25. an exhaust fan; 26. a support ring; 27. an induced draft cover; 28. a telescopic tube; 29. a rotating rod; 30. a pointer; 31. a belt; 32. a support wheel; 33. and a baffle.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
The utility model provides a by fig. 1 through 7, including support 1, mounting groove 2 has been seted up at support 1 middle part, mounting groove 2 internal rotation is connected with dead lever 3, dead lever 3 outer wall fixedly connected with right-hand member can the back-and-forth swinging rod 4, swinging rod 4 right side lower extreme rotation is connected with and rotates loop bar 5, it has lifter 6 that can reciprocate to cup joint in the loop bar 5 to rotate, a plurality of screw grooves 7 along its circumferencial direction equipartition have been seted up on the lifter 6, rotate loop bar 5 inner wall fixedly connected with a plurality of protruding balls 8 with screw groove 7 one-to-one and be located its corresponding side screw groove 7, rotate loop bar 5 lower extreme fixedly connected with gear one 9, be equipped with rotatable gear two 10 below swinging rod 4 middle part, gear two 10 meshes with gear one 9 through the toothed chain 11.
As shown in fig. 1 to 7, the fixing rod 3, the swinging rod 4, the rotating sleeve rod 5, the lifting rod 6, the thread groove 7 and the convex ball 8 are arranged, the swinging rod 4 can be moved to drive the induced air cover 27 to rotate in angle, the induced air cover 27 is convenient to change in air suction angle, then multi-angle change induced air is achieved, meanwhile, the lifting rod 6 is changed in height by rotating the rotating sleeve rod 5 through the action of the convex ball 8 and the thread groove 7, the purpose of changing the height of the induced air cover 27 is achieved, the application range is improved, the operation difficulty is reduced, the ventilation equipment is not required to be moved integrally to change the induced air angle, the ventilation equipment is quite convenient and fast, the gear one 9, the gear two 10 and the toothed chain 11 are arranged, and the gear one 9 can be driven to rotate by the rotating gear two 10, so that the purpose of rotating the rotating sleeve pipe is achieved.
The upper end of the bracket 1 is fixedly connected with an air duct 24, an exhaust fan 25 is arranged in the air duct 24, the upper end of the lifting rod 6 is fixedly connected with a supporting ring 26, an induced draft cover 27 is fixedly connected in the supporting ring 26, and the left end of the induced draft cover 27 is fixedly connected with the right end of the air duct 24 through a telescopic pipe 28.
As shown in fig. 1 to 2, the air duct 24 is provided to facilitate connection with ventilation equipment, the exhaust fan 25 is provided to facilitate air induction, the air induction cover 27 is provided with the telescopic pipe 28 to facilitate multi-angle air induction, the telescopic pipe 28 can ensure smooth air duct, and the support ring 26 is provided to facilitate fixed support of the air induction cover 27.
The installation groove 2 is internally provided with a rotatable lead screw 12, the front side and the rear side of the lead screw 12 are respectively and rotatably connected with a support, the lower end of the support is fixedly connected with a bracket 1, the outer wall of the lead screw 12 is in threaded connection with a moving block 13, the moving block 13 is rotatably connected with a U-shaped connecting frame 14, the front side and the rear side of the swinging rod 4 are respectively provided with a waist-shaped groove 15, and the front side and the rear side of the connecting frame 14 are respectively and fixedly connected with a connecting block 16 inserted into the waist-shaped groove 15 on the corresponding side.
As shown in fig. 2 to 6, the screw rod 12, the moving block 13, the connecting frame 14, the kidney-shaped groove 15 and the connecting block 16 are arranged, the moving block 13 can be driven to move back and forth by utilizing the rotation of the screw rod 12, and then the swinging rod 4 is driven to swing back and forth along with the moving block 13 by the action of the connecting frame 14, the kidney-shaped groove 15 and the connecting block 16, so that the purpose of driving the swinging rod 4 to swing is achieved, the screw rod 12 is arranged at the left position near the middle part of the swinging rod 4, and the power required by swinging the swinging rod 4 at the position is smaller.
A rotating motor 17 positioned right in front of the screw rod 12 is fixedly connected in the mounting groove 2, and the output end of the rotating motor 17 is fixedly connected with the screw rod 12.
As shown in fig. 3, a rotating motor 17 is provided, and the rotating motor 17 can drive the screw rod 12 to rotate to provide power for the swing of the swing rod 4.
The upper end of the right side of the swinging rod 4 is fixedly connected with a limit sleeve rod 18 which is coaxial with the rotary sleeve rod 5, the right side of the bracket 1 is provided with an arc groove 19 which is coaxial with the circle center of the fixed rod 3, the limit sleeve rod 18 is positioned in the arc groove 19, the lifting rod 6 is positioned in the limit sleeve rod 18, the outer wall of the lifting rod 6 is provided with a plurality of limit grooves 20 which are uniformly distributed along the circumferential direction of the lifting rod 6, the limit sleeve rod 18 is internally fixedly connected with a plurality of limit rods 21 which are in one-to-one correspondence with the limit grooves 20 and are positioned in the limit grooves 20 on the corresponding sides, the lower end of the bracket 1 is provided with a yielding groove 22 which is positioned under the arc groove 19, the yielding groove 22 has the same shape as the arc groove 19, and the lifting rod 6 is positioned in the yielding groove 22.
As shown in fig. 2 to 7, when the rotating loop bar 5 rotates, the limiting groove 20 and the limiting bar 21 are arranged, the lifting bar 6 cannot follow the rotation, so that the lifting bar 6 can be lifted normally, meanwhile, the limiting loop bar 18 can support the lifting bar 6 to avoid the skew condition of the lifting bar 6, the arc groove 19 is arranged, the swinging bar 4 can be ensured to drive the lifting bar 6 to swing normally, and the yielding groove 22 is arranged to ensure that the lifting bar 6 cannot be blocked when the lifting bar 6 descends to the lower end limit position.
The middle part of the swinging rod 4 is fixedly connected with a rotating motor 23 which is coaxial with the gear II 10, and the output end of the rotating motor 23 is fixedly connected with the upper end of the gear II 10.
As shown in fig. 7, a rotation motor 23 is provided to supply power to the rotation of the rotation sleeve 5, i.e., the lifting of the lifting lever 6.
The front side of the support 1 is rotationally connected with a rotating rod 29, the right side of the upper end of the rotating rod is fixedly connected with a pointer 30, the upper side of the support 1 is provided with a dial gauge taking the rotating rod 29 as a circle center, the outer wall of the fixed rod 3 is sleeved with a belt 31, and the front side of the belt 31 is sleeved with the rotating rod 29.
As shown in fig. 1 and 3, the rotating rod 29, the belt 31, the pointer 30 and the dial gauge are arranged, the swinging rod 4 can be utilized to drive the fixed rod 3 to rotate during swinging, the fixed rod 3 drives the rotating rod 29 to synchronously rotate through the belt 31, so that the pointer 30 is driven to point to different scales, the staff can conveniently determine the angle of the induced draft cover 27, and further data recording is facilitated.
The lower end of the middle part of the swinging rod 4 is fixedly connected with a U-shaped rod, and the middle part of the U-shaped rod is rotationally connected with a supporting wheel 32.
As shown in fig. 2 and 3, the U-shaped rod and the supporting wheel 32 can play a role in supporting the swinging rod 4, so that abnormal sound or power loss caused by the fact that the swinging rod 4 contacts with the support plate to increase friction is avoided.
The lower ends of the first gear 9 and the second gear 10 are fixedly connected with a baffle 33.
As shown in fig. 2 and 7, the baffle 33 is provided to facilitate supporting the toothed chain 11, so as to avoid falling off of the toothed chain 11 due to gravity during use.
When the utility model is used, the air duct 24 is communicated with ventilation equipment according to underground site conditions, or can be independently used, after the induced air angle is determined, the rotating motor 17 is started, the rotating motor 17 drives the moving block 13 to move through the lead screw 12, the moving block 13 drives the right end of the swinging rod 4 to swing through the connecting frame 14, the connecting block 16 moves to the right side of the waist-shaped groove 15 in the waist-shaped groove 15, meanwhile, the swinging rod 4 drives the rotating rod 29 to rotate through the fixed rod 3 and the belt 31, the rotating rod 29 drives the pointer 30 to point to different scales, when the swinging rod 4 drives the lifting rod 6 to move to a proper position in the arc-shaped groove 19 through the limit sleeve rod 18, and the pointer 30 points to the corresponding scale, the rotating motor 17 is closed, so that the induced air angle adjustment of the induced air cover 27 is completed, and meanwhile, the angle data is recorded;
Then, according to the actual situation, the rotating motor 23 is started, the rotating motor 23 drives the gear two 10 to rotate, the gear two 10 drives the gear one 9 to rotate through the toothed chain 11, the gear one 9 drives the rotating sleeve rod 5 to rotate, and the lifting rod 6 cannot rotate along with the rotating sleeve rod 5 due to the action of the limiting sleeve rod 18 and the limiting groove 20 limiting rod 21, so that the lifting rod 6 is influenced by the protruding blocks and the thread grooves 7, the lifting rod 6 drives the supporting ring 26 and the induced air cover 27 therein to adjust the height, and after the height adjustment is completed, the exhaust fan 25 can be started to ventilate and induce air, so that the underground air environment is improved.
In the present utility model, the rotary motor 17, the rotary motor 23 and the exhaust fan 25 are conventional, 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 (9)
1. The utility model provides a special induced draft cover of colliery ventilation equipment, which comprises a bracket (1), a serial communication port, mounting groove (2) have been seted up at support (1) middle part, mounting groove (2) internal rotation is connected with dead lever (3), dead lever (3) outer wall fixedly connected with right-hand member back and forth swinging rod (4), swinging rod (4) right side lower extreme rotates and is connected with rotation loop bar (5), but cup joint lifter (6) of reciprocating in rotating loop bar (5), a plurality of thread grooves (7) along its circumferencial direction equipartition have been seted up on lifter (6), a plurality of protruding ball (8) with thread groove (7) one-to-one and be located its corresponding side thread groove (7) of rotation loop bar (5) inner wall fixedly connected with gear one (9), swinging rod (4) middle part below is equipped with rotatable gear two (10), gear two (10) mesh with gear one (9) through toothed chain (11).
2. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein the upper end of the bracket (1) is fixedly connected with an air duct (24), an exhaust fan (25) is arranged in the air duct (24), the upper end of the lifting rod (6) is fixedly connected with a supporting ring (26), the inside of the supporting ring (26) is fixedly connected with an induced draft hood (27), and the left end of the induced draft hood (27) is fixedly connected with the right end of the air duct (24) through a telescopic pipe (28).
3. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein rotatable lead screws (12) are arranged in the mounting grooves (2), support seats are respectively connected to the front side and the rear side of the lead screws (12) in a rotating mode, the lower ends of the support seats are fixedly connected with the support frames (1), moving blocks (13) are connected to the outer walls of the lead screws (12) in a threaded mode, U-shaped connecting frames (14) are rotatably connected to the moving blocks (13), kidney-shaped grooves (15) are respectively formed in the front side and the rear side of the swinging rod (4), and connecting blocks (16) inserted into the kidney-shaped grooves (15) on the corresponding sides of the connecting frames (14) are respectively and fixedly connected to the front side and the rear side of the connecting frames.
4. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein a rotating motor (17) positioned right in front of the screw rod (12) is fixedly connected in the installation groove (2), and the output end of the rotating motor (17) is fixedly connected with the screw rod (12).
5. The special induced draft hood for coal mine ventilation equipment according to claim 1, wherein the upper end of the right side of the swinging rod (4) is fixedly connected with a limiting sleeve rod (18) which is coaxial with the rotating sleeve rod (5), an arc-shaped groove (19) which is coaxial with the center of a circle of the fixed rod (3) is formed in the right side of the bracket (1), the limiting sleeve rod (18) is positioned in the arc-shaped groove (19), the lifting rod (6) is positioned in the limiting sleeve rod (18), a plurality of limiting grooves (20) uniformly distributed along the circumferential direction of the lifting rod (6) are formed in the outer wall of the lifting rod (6), a plurality of limiting rods (21) which are in one-to-one correspondence with the limiting grooves (20) and are positioned in the corresponding side limiting grooves (20) of the limiting sleeve rod are fixedly connected in the limiting sleeve rod (18), a yielding groove (22) which is positioned under the arc-shaped groove (19) is formed in the lower end of the bracket (1), the yielding groove (22) is identical to the arc-shaped groove (19), and the lifting rod (6) is positioned in the yielding groove (22).
6. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein the middle part of the swinging rod (4) is fixedly connected with a rotating motor (23) which is coaxial with the gear II (10), and the output end of the rotating motor (23) is fixedly connected with the upper end of the gear II (10).
7. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein the front side of the support (1) is rotationally connected with a rotating rod (29), the right side of the upper end of the rotating rod (29) is fixedly connected with a pointer (30), a scale table taking the rotating rod (29) as a circle center is arranged on the upper side of the support (1), a belt (31) is sleeved on the outer wall of the fixed rod (3), and the front side of the belt (31) is sleeved with the rotating rod (29).
8. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein a U-shaped rod is fixedly connected to the lower end of the middle of the swinging rod (4), and a supporting wheel (32) is rotatably connected to the middle of the U-shaped rod.
9. The special induced draft hood for the coal mine ventilation equipment according to claim 1, wherein the lower ends of the first gear (9) and the second gear (10) are fixedly connected with a baffle plate (33).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221220928U true CN221220928U (en) | 2024-06-25 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |