CN209838784U - Double-fan switching device with damping function for coal mine ventilation - Google Patents
Double-fan switching device with damping function for coal mine ventilation Download PDFInfo
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- CN209838784U CN209838784U CN201920202799.0U CN201920202799U CN209838784U CN 209838784 U CN209838784 U CN 209838784U CN 201920202799 U CN201920202799 U CN 201920202799U CN 209838784 U CN209838784 U CN 209838784U
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Abstract
The utility model discloses a colliery is ventilated and is used double fan auto-change over device with shock-absorbing function, including fixed frame, double fan, the double fan is located inside the fixed frame, the slide bar has all been welded to fixed frame inner wall both sides, slide bar week side sliding connection has a slider, No. two sliders, No. three sliders, a slider, No. two sliders, No. three sliders are arranged in proper order. A bracing piece and No. two bracing pieces will rotate with pivot and No. two pivots respectively, when the double fan vibrations rock the removal, will drive its slider and No. three sliders through a bracing piece and No. two bracing pieces and slide in the litter, and force its compression spring, No. two compression springs, No. three compression spring compression produces deformation, a telescopic link will receive the flexible No. four compression springs of atress and will produce deformation, No. two telescopic links will receive the flexible, No. five compression springs atress produce deformation, the gyro wheel slides in the spout, carry out shock attenuation operation to its double fan.
Description
Technical Field
The utility model relates to a double fan auto-change over device specifically is a double fan auto-change over device is used in colliery ventilation with shock-absorbing function.
Background
Along with the development of society, the continuous progress of science and technology provides very big facility and guarantee in the production life, in the coal mine operation, the high gas mine need be continuously blown to the working face for preventing that the working face gas from gathering transfinites, cause the incident, blow and accomplish by the fan, for avoiding unplanned power failure or fan trouble to cause the unable operation of fan, can adopt double fan, main fan operation, vice fan reserve, when the main fan is out of order and is unable to operate, vice fan automatic operation turns to the working face air feed, the switching of main fan and vice fan is by electrical system automatic control.
However, when the existing double-fan switching device is installed and used, equipment vibrates due to the operation of the fan and the guiding of strong wind, the service life of equipment parts is easily shortened, the effect of vibration reduction and buffering of internal parts of the existing double-fan switching device is poor, the vibration force transmitted inside or outside the equipment cannot be effectively buffered, and the service life of the equipment is shortened. Therefore, the technical personnel in the field provide a double-fan switching device with a shock absorption function for coal mine ventilation, so as to solve the problems in the background technology.
Disclosure of Invention
An object of the utility model is to provide a colliery is two fan auto-change over devices for ventilation with shock-absorbing function to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-fan switching device with a damping function for coal mine ventilation comprises a fixed frame and double fans, wherein the double fans are located inside the fixed frame, slide rods are welded on two sides of the inner wall of the fixed frame, a first slide block, a second slide block and a third slide block are connected to the circumferential side faces of the slide rods in a sliding manner, the first slide block, the second slide block and the third slide block are sequentially arranged, a first compression spring is wound in a position, located in a first slide block clamp and a second slide block clamp, of the circumferential side faces of the slide rods, a second compression spring is wound in a position, located in the second slide block clamp and a third slide block clamp, of the circumferential side faces of the slide rods, three compression springs are wound on one sides, located in the first slide block and the third slide block, a first support rod is arranged at the front end of the first slide block, a second support rod is arranged at the rear end of the third slide block, linking blocks are welded at two ends of the double fans, and, linking up the telescopic link of a piece one side fixedly connected with, the winding of telescopic link week side has No. four compression spring, the equal fixedly connected with telescopic link No. two of double fan both sides, the winding of telescopic link week side has No. five compression spring, No. two telescopic link lower extreme welds have a connection board, the welding of connection board lower extreme has a connection frame, the inside interlude of connection frame has No. three pivots, No. three pivot week sides rotate and are connected with the gyro wheel, the spout has all been welded at fixed frame inner wall both ends.
When the double-fan operation shakes in fixed frame, a bracing piece and No. two bracing pieces will rotate with No. two pivots, and the bracing piece and No. two bracing piece other ends will also rotate with a pivot, when the double-fan vibrations produce and rock the removal, will drive its slider and No. three sliders through a bracing piece and No. two bracing pieces and slide in the litter, and force its compression spring, No. two compression springs, No. three compression spring compression produces deformation, a telescopic link will receive the force to stretch out and draw back, No. four compression springs will receive the force to produce deformation, No. two telescopic links will receive the force to stretch out and draw back, No. five compression springs receive the force to produce deformation, the gyro wheel will slide in the spout, thereby carry out shock attenuation operation to its double-fan.
As a further aspect of the present invention: a ventilation opening and No. two vents are seted up to double fan one side, a ventilation opening is located No. two vents one side.
As a further aspect of the present invention: one end of the first telescopic rod is connected with the second sliding block, and the connecting block is movably connected with the second sliding block through the first telescopic rod.
As a further aspect of the present invention: a slider inside rotates and is connected with the pivot No. one, a bracing piece rotates through the pivot and is connected with the slider No. one, No. two bracing pieces rotate with No. three sliders and be connected.
As a further aspect of the present invention: a bracing piece and No. two bracing pieces all rotate with No. two pivots and are connected, link up the piece and rotate through No. two pivots and a bracing piece and No. two bracing pieces and be connected, a bracing piece and No. two bracing pieces will rotate with No. two pivots.
As a further aspect of the present invention: the third rotating shaft is in sliding and pressing contact with the sliding groove, and the roller can slide in the sliding groove.
Compared with the prior art, the beneficial effects of the utility model are that:
by designing a first support rod, a second support rod, a first slide block, a second slide block, a third slide block, a first compression spring, a second compression spring, a third compression spring, a first telescopic rod, a second telescopic rod, a fifth compression spring and a roller, when a double-fan runs in a fixed frame and vibrates, the first support rod and the second support rod will rotate with a second rotating shaft, the other ends of the first support rod and the second support rod will also rotate with a first rotating shaft, when the double-fan vibrates to generate shaking movement, the first support rod and the second support rod will drive the first slide block and the third slide block to slide in a slide rod and force the first compression spring, the second compression spring and the third compression spring to generate compression deformation, the first telescopic rod will be stressed to expand, the fourth compression spring will be stressed to generate deformation, the second telescopic rod will be stressed to expand, No. five compression spring atress produce deformation, and the gyro wheel will slide in the spout to carry out the shock attenuation operation to its double fan.
Drawings
Fig. 1 is a schematic structural diagram of a double-fan switching device with a shock absorption function for coal mine ventilation.
Fig. 2 is an enlarged view of a portion a in fig. 1 of a double fan switching apparatus for ventilation of a coal mine having a shock absorbing function.
Fig. 3 is an enlarged view of a portion B in fig. 1 of a double fan switching apparatus for ventilation of a coal mine having a shock absorbing function.
Fig. 4 is an enlarged view of a portion C of fig. 1 of a double fan switching apparatus for ventilation of a coal mine having a shock absorbing function.
In the figure: 1-fixed frame, 2-double fan, 3-first ventilation opening, 4-second ventilation opening, 5-sliding rod, 6-first sliding block, 7-second sliding block, 8-third sliding block, 9-first compression spring, 10-second compression spring, 11-third compression spring, 12-first supporting rod, 13-second supporting rod, 14-first rotating shaft, 15-connection block, 16-second rotating shaft, 17-first telescopic rod, 18-fourth compression spring, 19-second telescopic rod, 20-fifth compression spring, 21-connection plate, 22-connection frame, 23-third rotating shaft, 24-idler wheel and 25-sliding chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, a double-fan switching device for coal mine ventilation with a damping function includes a fixed frame 1 and a double-fan 2, the double-fan 2 is located inside the fixed frame 1, slide bars 5 are welded on both sides of the inner wall of the fixed frame 1, a first slider 6, a second slider 7 and a third slider 8 are slidably connected to the circumferential sides of the slide bars 5, the first slider 6, the second slider 7 and the third slider 8 are sequentially arranged, a first compression spring 9 is wound around the circumferential sides of the slide bars 5 located between the first slider 6 and the second slider 7, a second compression spring 10 is wound around the circumferential sides of the slide bars 5 located between the second slider 7 and the third slider 8, a third compression spring 11 is wound around the circumferential sides of the slide bars 5 located between the first slider 6 and the third slider 8, a first support rod 12 is arranged at the front end of the first slider 6, no. three 8 rear ends of slider are provided with bracing piece 13 No. two, 2 both ends of double fan have all been welded and have been linked up piece 15, link up 15 inside interlude of piece and have No. two pivots 16, link up telescopic link 17 of 15 one side fixedly connected with of piece, 17 week side windings of telescopic link have No. four compression spring 18, 2 equal fixedly connected with two telescopic links 19 in both sides of double fan, 19 week side windings of No. two telescopic links have No. five compression spring 20, 19 lower extreme welding of No. two telescopic links has linking plate 21, 21 lower extreme welding of linking plate has linking frame 22, linking frame 22 inside interlude has No. three pivots 23, 23 week sides of No. three pivots rotate and are connected with gyro wheel 24, 1 inner wall both ends of fixed frame have all welded spout 25.
When the double-fan 2 vibrates in the fixed frame 1, the first support rod 12 and the second support rod 13 will rotate with the second rotating shaft 16, and the other ends of the first support rod 12 and the second support rod 13 will also rotate with the first rotating shaft 14, when the double-fan 2 vibrates to shake and move, the first support rod 12 and the second support rod 13 will drive the first slide block 6 and the third slide block 8 to slide in the slide rod 5, and force the first compression spring 9, the second compression spring 10 and the third compression spring 11 to compress and deform, the first expansion rod 17 will be stressed and expanded, the fourth compression spring 18 will be stressed and deformed, the second expansion rod 19 will be stressed and expanded, the fifth compression spring 20 will be stressed and deformed, and the roller 24 will slide in the sliding groove 25, so as to perform damping operation on the double-fan 2.
No. 2 one sides of double fan are seted up logical wind gap 3 and No. two vent 4, No. 3 logical wind gap is located No. two vent 4 one sides.
One end of the first telescopic rod 17 is connected with the second sliding block 7, and the connecting block 15 is movably connected with the second sliding block 7 through the first telescopic rod 17.
A slider 6 inside is rotated and is connected with pivot 14 No. one, a bracing piece 12 rotates through pivot 14 and slider 6 and is connected, No. two bracing pieces 13 rotate with No. three slider 8 and are connected.
A bracing piece 12 and No. two bracing pieces 13 all rotate with No. two pivots 16 and are connected, join in marriage No. 15 and rotate with a bracing piece 12 and No. two bracing pieces 13 through No. two pivots 16 and be connected, a bracing piece 12 and No. two bracing pieces 13 will rotate with No. two pivots 16.
The third rotating shaft 23 is slidably pressed against the sliding groove 25, and the roller 24 slides in the sliding groove 25.
The utility model discloses a theory of operation is:
when the double-fan 2 vibrates in the fixed frame 1, the first support rod 12 and the second support rod 13 will rotate with the second rotating shaft 16, and the other ends of the first support rod 12 and the second support rod 13 will also rotate with the first rotating shaft 14, when the double-fan 2 vibrates to shake and move, the first support rod 12 and the second support rod 13 will drive the first slide block 6 and the third slide block 8 to slide in the slide rod 5, and force the first compression spring 9, the second compression spring 10 and the third compression spring 11 to compress and deform, the first expansion rod 17 will be stressed and expanded, the fourth compression spring 18 will be stressed and deformed, the second expansion rod 19 will be stressed and expanded, the fifth compression spring 20 will be stressed and deformed, and the roller 24 will slide in the sliding groove 25, so as to perform damping operation on the double-fan 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The double-fan switching device with the damping function for coal mine ventilation comprises a fixed frame (1) and double fans (2) and is characterized in that the double fans (2) are located inside the fixed frame (1), slide rods (5) are welded on two sides of the inner wall of the fixed frame (1), a first slide block (6), a second slide block (7) and a third slide block (8) are connected to the circumferential sides of the slide rods (5) in a sliding mode, the first slide block (6), the second slide block (7) and the third slide block (8) are sequentially arranged, a first compression spring (9) is wound in a position where the circumferential sides of the slide rods (5) are located between the first slide block (6) and the second slide block (7), a second compression spring (10) is wound in a position where the circumferential sides of the slide rods (5) are located between the second slide block (7) and the third slide block (8), and a third compression spring (11) is wound on one side of the slide rods (5) located between the first slide block (6) and the third slide block (8, the utility model discloses a No. one slider (6) front end is provided with bracing piece (12) No. one, No. three slider (8) rear end is provided with No. two bracing pieces (13), two fan (2) both ends all weld and have linking piece (15), link up inside interlude of piece (15) and have No. two pivot (16), link up one side fixedly connected with telescopic link (17) of piece (15), the side winding all around of one telescopic link (17) has No. four compression spring (18), two fan (2) both sides all fixedly connected with No. two telescopic link (19), the side winding all around of No. two telescopic link (19) has No. five compression spring (20), No. two telescopic link (19) lower extreme welding has linking board (21), the welding of linking board (21) lower extreme week side has linking frame (22), the inside interlude of linking frame (22) has No. three pivot (23), No. three pivot (23) face is rotated and is connected with gyro wheel (24), and sliding grooves (25) are welded at two ends of the inner wall of the fixed frame (1).
2. The double-fan switching device with the shock absorption function for the coal mine ventilation, as claimed in claim 1, wherein a first ventilation opening (3) and a second ventilation opening (4) are formed in one side of the double fan (2), and the first ventilation opening (3) is located in one side of the second ventilation opening (4).
3. The double-fan switching device with the shock absorption function for the coal mine ventilation as claimed in claim 1, wherein one end of the first expansion link (17) is connected with the second sliding block (7), and the connecting block (15) is movably connected with the second sliding block (7) through the first expansion link (17).
4. The double-fan switching device with the shock absorption function for the coal mine ventilation as claimed in claim 1, wherein a first rotating shaft (14) is rotatably connected inside the first sliding block (6), the first supporting rod (12) is rotatably connected with the first sliding block (6) through the first rotating shaft (14), and the second supporting rod (13) is rotatably connected with the third sliding block (8).
5. The double-fan switching device with the shock absorption function for the coal mine ventilation is characterized in that the first support rod (12) and the second support rod (13) are rotatably connected with the second rotating shaft (16), and the connecting block (15) is rotatably connected with the first support rod (12) and the second support rod (13) through the second rotating shaft (16).
6. The double-fan switching device with the shock absorption function for the coal mine ventilation as claimed in claim 1, wherein the third rotating shaft (23) is in sliding pressing with the sliding groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202799.0U CN209838784U (en) | 2019-02-16 | 2019-02-16 | Double-fan switching device with damping function for coal mine ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202799.0U CN209838784U (en) | 2019-02-16 | 2019-02-16 | Double-fan switching device with damping function for coal mine ventilation |
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| Publication Number | Publication Date |
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| CN209838784U true CN209838784U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920202799.0U Active CN209838784U (en) | 2019-02-16 | 2019-02-16 | Double-fan switching device with damping function for coal mine ventilation |
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| CN (1) | CN209838784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696370A (en) * | 2020-12-24 | 2021-04-23 | 江苏常净环保科技有限公司 | Multi-group small fan |
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2019
- 2019-02-16 CN CN201920202799.0U patent/CN209838784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696370A (en) * | 2020-12-24 | 2021-04-23 | 江苏常净环保科技有限公司 | Multi-group small fan |
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