CN208934953U - A kind of mining main fan of cotta - Google Patents

Abstract

The utility model provides a kind of mining main fan of cotta.The mining main fan of a kind of cotta includes: pedestal；The top of the pedestal is fixed under casing, the bottom of the under casing；The bottom of the inner wall of the under casing is fixed in first motor, the bottom of the first motor；Rotary shaft, is fixed on the top of the output shaft of the first motor at the top of the rotary shaft, the top of the rotary shaft through the inner wall of the under casing top and extend to the outside of the under casing；Rotating disc is fixed on the surface of the rotary shaft at the axle center of the rotating disc.There is the mining main fan of a kind of cotta provided by the utility model the position for being user-friendly for main fan ontology to be adjusted, labour when more convenient movement, reduction are mobile, improve the convenience of main fan, the controllability of wind direction and wind speed, main fan is improved to the applicable ability and practicability of varying environment, meet the use demand used, it is more practical.

Description

A kind of mining main fan of cotta

Technical field

The utility model relates to mine ventilator field more particularly to a kind of mining main fans of cotta.

Background technique

Mine ventilator is one kind of propeller fan, because it uses the particularity of industry and application place, and in performance With the larger difference of general axis circulation wind in parameter and overall dimensions, one kind is done so being separately separated out to return, is mainly used in Mine ventilation uses, and main fan is the ventilation for full mine or a certain wing of mine, is called main fan, not due to mine topography The conveying and carrying of same and environment changeable fan bring a great deal of trouble trouble；

In the prior art, existing mining main fan is mostly fixed structure, and existing main fan is being adjusted Section generally requires manually to be moved when setting with angle, and the angle of main fan cannot be according to reality while increasing labour The demand of environment carries out adjusting appropriate, and it is impossible to meet user's more preferably use demands, to reduce main fan Adaptability and practicability.

Therefore, it is necessary to provide a kind of mining main fan solution above-mentioned technical problem of cotta.

Utility model content

The utility model provides a kind of mining main fan of cotta, and it is mobile inconvenient and main fan to solve main fan The unadjustable problem of angle.

In order to solve the above technical problems, the mining main fan of a kind of cotta provided by the utility model, comprising: pedestal；Bottom The top of the pedestal is fixed in case, the bottom of the under casing；The bottom is fixed in first motor, the bottom of the first motor The bottom of the inner wall of case；Rotary shaft is fixed on the top of the output shaft of the first motor, the rotation at the top of the rotary shaft The top of shaft runs through the top of the inner wall of the under casing and extends to the outside of the under casing；Rotating disc, the rotating disc The surface of the rotary shaft is fixed at axle center；Protection box is fixed on the bottom of the rotating disc at the top of the protection box；The The bottom of the inner wall of the protection box is fixed in two motors, the bottom of second motor；Auxiliary turntable, the auxiliary turntable The right side of the output end of second motor is fixed at axle center；Shaft is assisted, is fixed on the left of the auxiliary shaft described The surface of auxiliary turntable；Driver plate, the inner surface of the driver plate are transmitted in the surface of the auxiliary shaft；Elevating lever, it is described The top of the driver plate is fixed in the bottom of elevating lever, and the inner wall of the protection box is sequentially passed through at the top of the elevating lever The top of the inner wall of top and the under casing and the outside for extending to the under casing；Swivel plate, the axis of the bottom of the swivel plate One end of the outside for extending to the under casing of the rotary shaft is fixed at the heart；The bottom of support frame, support frame as described above is fixed At the axle center at the top of the swivel plate；Main fan ontology, the surface pivots of the main fan ontology are in the support The top of frame；Fixed block is fixed on the right side of the bottom of the main fan ontology at the top of the fixed block；Via hole, institute The surface for stating via hole is opened on the side of the fixed block；Semicircle orifice, the surface of the semicircle orifice are opened in the under casing Top；Slide bar is assisted, the two sides of the elevating lever are fixed in the side close to the elevating lever of the auxiliary slide bar；It is fixed Ring is fixed on the left side of the main fan ontology on the right side of the fixed ring；First rotary valve, a left side for first rotary valve The right side of the fixed ring is fixed in side；First swingle is fixed on first rotary valve on the right side of first swingle Output end left side, the left side of first swingle through the fixed ring right side and extend to the interior of the fixed ring Portion；First wind deflector, what first swingle was fixed on the surface of first wind deflector extends to the interior of the fixed ring The surface in portion；The left side of the fixed ring is fixed on box body, the right side of the box body by fixed block；Second rotary valve, it is described The left side of the box body is fixed on the right side of second rotary valve；Second swingle is fixed on institute on the left of second swingle The right side of the output end of the second rotary valve is stated, the left side of the box body and described solid is sequentially passed through on the right side of second swingle Determine the left side of ring and extends to the inside of the fixed ring；First angular wheel is fixed at the axle center of first angular wheel In the surface of the inside for extending to the box body of second swingle；Second angular wheel, second angular wheel Surface is engaged in the surface of first angular wheel；Second conical tooth is fixed on interlocking bar, the surface of the interlocking bar At the axle center of wheel；Third angular wheel is fixed on the top on the surface of the interlocking bar at the axle center of the third angular wheel； The surface of 4th angular wheel, the 4th angular wheel is engaged in the surface of the third angular wheel；Third swingle, institute The surface for stating third swingle is fixed at the axle center of the 4th angular wheel, is sequentially passed through on the right side of the third swingle The right side of the inner wall of box body and the left side of the fixed ring and the inside for extending to the fixed ring；Lower wind deflector, the lower block The surface of the inside for extending to the fixed ring of second swingle is fixed on the surface of aerofoil；Upper wind deflector, it is described on The surface of the inside for extending to the fixed ring of the third swingle is fixed on the surface of wind deflector；Battery group, it is described The bottom of the inner wall of the under casing is fixed in the bottom of battery group；The pedestal is fixed in handrail, the bottom of the handrail The left side at top；Universal wheel is fixed on the bottom of the pedestal at the top of the universal wheel.

Preferably, the two sides of the first motor are provided with fixed mounting plate, the bottom of fixed mounting plate and under casing inner wall Bottom be fixedly connected.

Preferably, the two sides of the under casing inner wall are provided with concave block, the concave block altogether there are four, and four concave blocks exist In same horizontal line, the side of the rotating disc and the inner surface of concave block are slidably connected.

Preferably, the right end of the auxiliary shaft runs through the left side of driver plate and extends to the right side of driver plate, and auxiliary Shaft is helped to extend to the setting of one end on the right side of driver plate restraining position ring block.

Preferably, the two sides of the driver plate are provided with elevator, two elevators respectively with protection box inner wall two Slideslip connection.

Preferably, the two sides of the swivel plate bottom are respectively provided with there are two supporting block, the top of two supporting blocks and under casing It is slidably connected.

Preferably, the surface of the auxiliary slide bar and the inner surface of via hole are slidably connected, and assist slide bar far from liter The side of drop bar is provided with auxiliary stopper ring.

Preferably, the side of first swingle extended to inside fixed ring and the right side of fixed ring inner wall, which rotate, connects It connects.

Preferably, annular groove compatible with two supporting blocks is offered at the top of the under casing.

Preferably, charging hole compatible with the jack of battery group is offered on the left of the under casing.

Compared with the relevant technologies, a kind of mining main fan of cotta provided by the utility model has following beneficial to effect Fruit:

The utility model provides a kind of mining main fan of cotta, is fixedly connected with the first electricity by the bottom of under casing inner wall Machine, the output end of first motor is fixedly connected with rotary shaft, is fixedly connected with swivel plate at the top of rotary shaft, so that main fan The rotation that ontology can carry out 180 ° of level under the drive of first motor is adjusted, and the bottom of protection box inner wall is fixedly connected There is the second motor, the output end of the second motor is fixedly connected with auxiliary turntable, and the second motor passes through the auxiliary on auxiliary turntable surface Shaft drives driver plate to move up and down, so that the upper lower angle to main fan ontology is adjusted, the two sides difference of fixed ring Be provided with the first rotary valve and the second rotary valve, can wind-force size to main fan ontology be adjusted and pedestal Top and bottom are respectively arranged with handrail and universal wheel, and the position for being user-friendly for main fan ontology is adjusted, more Add labour when being moved easily, reducing mobile, improve the convenience of main fan, the controllability of wind direction and wind speed improves Applicable ability and practicability of the main fan to varying environment, meet the use demand used, more practical.

Detailed description of the invention

Fig. 1 is a kind of structural representation of a kind of preferred embodiment of the mining main fan of cotta provided by the utility model Figure；

Fig. 2 is the partial structure diagram of protection box shown in FIG. 1；

Fig. 3 is the top view of under casing shown in FIG. 1；

Fig. 4 is the sectional view of fixed block shown in FIG. 1；

Fig. 5 is the partial structure diagram of fixed ring shown in FIG. 1.

Figure label: 1, pedestal, 2, under casing, 3, first motor, 4, rotary shaft, 5, rotating disc, 6, protection box, the 7, second electricity Machine, 8, auxiliary turntable, 9, auxiliary shaft, 10, driver plate, 11, elevating lever, 12, swivel plate, 13, support frame, 14, main fan Ontology, 15, fixed block, 16, via hole, 17, semicircle orifice, 18, auxiliary slide bar, 19, fixed ring, the 20, first rotary valve, 21, First swingle, the 22, first wind deflector, 23, fixed block, 24, box body, the 25, second rotary valve, the 26, second swingle, 27, One angular wheel, the 28, second angular wheel, 29, interlocking bar, 30, third angular wheel, the 31, the 4th angular wheel, 32, third Swingle, 33, lower wind deflector, 34, upper wind deflector, 35, battery group, 36, handrail, 37, everything wheel.

Specific embodiment

The utility model is described in further detail with embodiment with reference to the accompanying drawing.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein Fig. 1 is that a kind of cotta provided by the utility model is mining A kind of structural schematic diagram of preferred embodiment of main fan；Fig. 2 is the partial structure diagram of protection box shown in FIG. 1；Fig. 3 For the top view of under casing shown in FIG. 1；Fig. 4 is the sectional view of fixed block shown in FIG. 1；Fig. 5 is the portion of fixed ring shown in FIG. 1 Separation structure schematic diagram.A kind of mining main fan of cotta includes: pedestal 1；Under casing 2, the bottom of the under casing 2 are fixed on described The top of pedestal 1；The bottom of the inner wall of the under casing 2 is fixed in first motor 3, the bottom of the first motor 3；Rotary shaft 4, The top of the output shaft of the first motor 3 is fixed at the top of the rotary shaft 4, and the top of the rotary shaft 4 is through described The top of the inner wall of under casing 2 and the outside for extending to the under casing 2；Rotating disc 5 is fixed on institute at the axle center of the rotating disc 5 State the surface of rotary shaft 4；The bottom of the rotating disc 5 is fixed at protection box 6, the top of the protection box 6；Second motor 7, institute State the second motor 7 bottom be fixed on the protection box 6 inner wall bottom；Auxiliary turntable 8, the axle center of the auxiliary turntable 8 The right side of the output end of second motor 7 is fixed at place；Shaft 9 is assisted, the left side of the auxiliary shaft 9 is fixed on described auxiliary Help the surface of turntable 8；Driver plate 10, the inner surface of the driver plate 10 are transmitted in the surface of the auxiliary shaft 9；Elevating lever 11, the top of the driver plate 10 is fixed in the bottom of the elevating lever 11, and the top of the elevating lever 11 sequentially passes through described The top of the inner wall of the top of the inner wall of protection box 6 and the under casing 2 and the outside for extending to the under casing 2；Swivel plate 12, One end of the outside for extending to the under casing 2 of the rotary shaft 4 is fixed at the axle center of the bottom of the swivel plate 12；Branch Support 13, the bottom of support frame as described above 13 are fixed at the axle center at the top of the swivel plate 12；Main fan ontology 14, it is described The surface pivots of main fan ontology 14 are in the top of support frame as described above 13；The top of fixed block 15, the fixed block 15 is fixed In the right side of the bottom of the main fan ontology 14；The surface of via hole 16, the via hole 16 is opened in the fixed block On 15 side；Semicircle orifice 17, the surface of the semicircle orifice 17 are opened in the top of the under casing 2；Slide bar 18 is assisted, it is described auxiliary The side close to the elevating lever 11 of slide bar 18 is helped to be fixed on the two sides of the elevating lever 11；Fixed ring 19, the fixed ring The left side of the main fan ontology 14 is fixed on 19 right side；The left side of first rotary valve 20, first rotary valve 20 is solid Due to the right side of the fixed ring 19；First rotation is fixed on first swingle 21, the right side of first swingle 21 The left side of the output end of valve 20, the left side of first swingle 21 are run through the right side of the fixed ring 19 and are extended to described The inside of fixed ring 19；Prolonging for first swingle 21 is fixed on the surface of first wind deflector 22, first wind deflector 22 Extend to the surface of the inside of the fixed ring 19；Box body 24, the right side of the box body 24 are fixed on described solid by fixed block 23 Determine the left side of ring 19；The left side of the box body 24 is fixed on second rotary valve 25, the right side of second rotary valve 24；Second rotation The right side of the output end of second rotary valve 25, second rotation are fixed in bull stick 26, the left side of second swingle 26 The right side of bull stick 26 sequentially passes through the left side of the box body 24 and the left side of the fixed ring 19 and extends to the fixed ring 19 Inside；First angular wheel 27 is fixed on the extension of second swingle 26 at the axle center of first angular wheel 27 To the surface of the inside of the box body 24；Second angular wheel 28, the surface of second angular wheel 28 are engaged in described The surface of one angular wheel 27；The axle center of second angular wheel 28 is fixed on interlocking bar 29, the surface of the interlocking bar 29 Place；Third angular wheel 30 is fixed on the top on the surface of the interlocking bar 29 at the axle center of the third angular wheel 30；The The surface of four angular wheels 31, the 4th angular wheel 31 is engaged in the surface of the third angular wheel 30；Third rotation Bar 32, the surface of the third swingle 32 are fixed at the axle center of the 4th angular wheel 31, the third swingle 32 Right side sequentially pass through the right side of inner wall of box body 24 and the left side of the fixed ring 19 and extend to the interior of the fixed ring 19 Portion；Lower wind deflector 33, what second swingle 26 was fixed on the surface of the lower wind deflector 33 extends to the fixed ring 19 Inside surface；Upper wind deflector 34, what the third swingle 32 was fixed on the surface of the upper wind deflector 34 extends to institute State the surface of the inside of fixed ring 19；The inner wall of the under casing 2 is fixed in battery group 35, the bottom of the battery group 35 Bottom；The left side at the top of the pedestal 1 is fixed in handrail 36, the bottom of the handrail 36；Universal wheel 37, the universal wheel 37 Top be fixed on the bottom of the pedestal 1.

The two sides of the first motor 3 are provided with fixed mounting plate, the bottom of fixed mounting plate and the bottom of 2 inner wall of under casing It is fixedly connected.

The two sides of 2 inner wall of under casing are provided with concave block, the concave block altogether there are four, and four concave blocks are in same water On horizontal line, the side of the rotating disc 5 and the inner surface of concave block are slidably connected.

The right end of the auxiliary shaft 9 runs through the left side of driver plate 10 and extends to the right side of driver plate 10, and assists Shaft 9 extends to one end setting restraining position ring block on 10 right side of driver plate, and stop collar can increase the stability of the lifting of driver plate 10 And safety.

The two sides of the driver plate 10 are provided with elevator, two elevators, two sideslips with 6 inner wall of protection box respectively Dynamic connection, elevator accessory drive plate 10 move up and down in the inside of protection box 6, avoid position from shifting, influence main pectinid The angular adjustment of machine ontology 14.

The two sides of 12 bottom of swivel plate are respectively provided with there are two supporting block, the top slide of two supporting blocks and under casing 2 Connection, supporting block can not only be supported swivel plate 12, ensure the stability of swivel plate 12, while can also assist rotating Plate 12 carries out the adjusting of rotation angle.

The surface of the auxiliary slide bar 18 and the inner surface of via hole 16 are slidably connected, and assist slide bar 18 far from lifting The side of bar 11 is provided with auxiliary stopper ring, and inner surface of the elevating lever 11 by auxiliary slide bar 18 in via hole 16 slides, thus Main fan ontology 14 is driven to carry out the adjusting of lower angle.

The side of first swingle 21 extended to inside fixed ring 19 and the right side of 19 inner wall of fixed ring rotate and connect It connects, there is the right side of 19 inner wall of fixed ring in one end inside the fixed ring 19 of 32 derivative of the second swingle 26 and third swingle Rotation connection, the first rotary valve 20 drive the rotation of the first wind deflector 22, and the second rotary valve 25 drives lower wind deflector 33 and upper gear Aerofoil 34 rotates synchronously, and realizes the adjusting to wind speed.

The top of the pedestal 2 offers annular groove compatible with two supporting blocks, and auxiliary support block is slided, Ensure the stability of auxiliary turntable 8.

The left side of the under casing 2 offers charging hole compatible with the jack of battery group 35, facilitates battery group 35 It charges.

A kind of working principle of the mining main fan of cotta provided by the utility model is as follows:

In use, main fan ontology 14 is moved to by handrail 36 by specified position, and when needing to adjust angle, starting First motor 3, so that the output shaft of first motor 3 drives rotary shaft 4 to rotate synchronously, rotary shaft 4 drives swivel plate 12 is synchronous to turn Dynamic, swivel plate 12 drives main fan ontology 14 to carry out the angle adjustment of horizontal direction, starts the second motor 7, the second motor 7 Output shaft drives auxiliary turntable 8 to rotate synchronously, and auxiliary turntable 8 drives driver plate 10 to move up and down by auxiliary shaft 9, thus Elevating lever 11 is driven to move up and down, so that auxiliary slide bar 18 slides in via hole 16, above and below realization main fan ontology 14 Angular adjustment, need to adjust wind speed it is big when, pass through rotation the first rotary valve 20 drive the first wind deflector 22 rotate synchronously, rotation Second rotary valve 25 drives the second swingle 26 to rotate synchronously, so that the first angular wheel 27 is driven to rotate synchronously, the first taper Gear 27 drives the second angular wheel 28 to rotate synchronously, and the second angular wheel 28 drives interlocking bar 29 to rotate synchronously, interlocking bar 29 Third angular wheel 30 is driven to rotate synchronously, third angular wheel 30 drives the 4th angular wheel 31 to rotate synchronously, to drive The overturning synchronous with upper wind deflector 34 of lower wind deflector 33, realizes the size of regulating tuyere, adjusts wind speed, reaches better air draft effect Fruit.

Compared with the relevant technologies, a kind of mining main fan of cotta provided by the utility model has following beneficial to effect Fruit:

It is fixedly connected with first motor 3 by the bottom of 2 inner wall of under casing, the output end of first motor 3 is fixedly connected with rotation Shaft 4, the top of rotary shaft 4 are fixedly connected with swivel plate 12, allow main fan ontology 14 in the drive of first motor 3 Rotation in lower 180 ° of carry out level is adjusted, and the bottom of 6 inner wall of protection box is fixedly connected with the second motor 7, the second motor 7 Output end be fixedly connected with auxiliary turntable 8, the second motor 7 drives driver plate 10 by the auxiliary shaft 9 on 8 surface of auxiliary turntable It moves up and down, so that the upper lower angle to main fan ontology 14 is adjusted, the two sides of fixed ring 19 are respectively arranged with first Rotary valve 20 and the second rotary valve 25, can the wind-force size to main fan ontology 14 be adjusted and the top of pedestal 1 It is respectively arranged with handrail 36 and universal wheel 37 with bottom, the position for being user-friendly for main fan ontology 14 is adjusted, Labour when more convenient movement, reduction are mobile, improves the convenience of main fan, the controllability of wind direction and wind speed mentions High applicable ability and practicability of the main fan to varying environment, meets the use demand used, more practical.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of mining main fan of cotta characterized by comprising

Pedestal；

The top of the pedestal is fixed under casing, the bottom of the under casing；

The bottom of the inner wall of the under casing is fixed in first motor, the bottom of the first motor；

Rotary shaft is fixed on the top of the output shaft of the first motor, the top of the rotary shaft at the top of the rotary shaft Through the inner wall of the under casing top and extend to the outside of the under casing；

Rotating disc is fixed on the surface of the rotary shaft at the axle center of the rotating disc；

Protection box is fixed on the bottom of the rotating disc at the top of the protection box；

The bottom of the inner wall of the protection box is fixed in second motor, the bottom of second motor；

Auxiliary turntable is fixed on the right side of the output end of second motor at the axle center of the auxiliary turntable；

Shaft is assisted, the surface of the auxiliary turntable is fixed on the left of the auxiliary shaft；

Driver plate, the inner surface of the driver plate are transmitted in the surface of the auxiliary shaft；

Elevating lever, the bottom of the elevating lever are fixed on the top of the driver plate, institute are sequentially passed through at the top of the elevating lever It states the top at the top of the inner wall of protection box and the inner wall of the under casing and extends to the outside of the under casing；

Swivel plate is fixed on the one of the outside for extending to the under casing of the rotary shaft at the axle center of the bottom of the swivel plate End；

Support frame, the bottom of support frame as described above are fixed at the axle center at the top of the swivel plate；

Main fan ontology, the surface pivots of the main fan ontology are in the top of support frame as described above；

Fixed block is fixed on the right side of the bottom of the main fan ontology at the top of the fixed block；

Via hole, the surface of the via hole are opened on the side of the fixed block；

Semicircle orifice, the surface of the semicircle orifice are opened in the top of the under casing；

Slide bar is assisted, the two sides of the elevating lever are fixed in the side close to the elevating lever of the auxiliary slide bar；

Fixed ring is fixed on the left side of the main fan ontology on the right side of the fixed ring；

First rotary valve is fixed on the right side of the fixed ring on the left of first rotary valve；

First swingle, is fixed on the left side of the output end of first rotary valve on the right side of first swingle, and described The left side of one swingle runs through the right side of the fixed ring and extends to the inside of the fixed ring；

First wind deflector, what first swingle was fixed on the surface of first wind deflector extends to the interior of the fixed ring The surface in portion；

The left side of the fixed ring is fixed on box body, the right side of the box body by fixed block；

Second rotary valve is fixed on the left side of the box body on the right side of second rotary valve；

Second swingle, is fixed on the right side of the output end of second rotary valve on the left of second swingle, and described The left side of the box body and the left side of the fixed ring are sequentially passed through on the right side of two swingles and extend to the interior of the fixed ring Portion；

First angular wheel, second swingle is fixed at the axle center of first angular wheel extends to the box body Inside surface；

Second angular wheel, the surface of second angular wheel are engaged in the surface of first angular wheel；

Interlocking bar, the surface of the interlocking bar are fixed at the axle center of second angular wheel；

Third angular wheel is fixed on the top on the surface of the interlocking bar at the axle center of the third angular wheel；

The surface of 4th angular wheel, the 4th angular wheel is engaged in the surface of the third angular wheel；

Third swingle, the surface of the third swingle are fixed at the axle center of the 4th angular wheel, the third rotation The right side of the inner wall of box body and the left side of the fixed ring and the inside for extending to the fixed ring are sequentially passed through on the right side of bull stick；

The inside for extending to the fixed ring of second swingle is fixed on lower wind deflector, the surface of the lower wind deflector Surface；

The inside for extending to the fixed ring of the third swingle is fixed on upper wind deflector, the surface of the upper wind deflector Surface；

The bottom of the inner wall of the under casing is fixed in battery group, the bottom of the battery group；

The left side at the top of the pedestal is fixed in handrail, the bottom of the handrail；

Universal wheel is fixed on the bottom of the pedestal at the top of the universal wheel.

2. the mining main fan of cotta according to claim 1, which is characterized in that the two sides of the first motor are provided with The bottom of fixed mounting plate, fixed mounting plate is fixedly connected with the bottom of under casing inner wall.

3. the mining main fan of cotta according to claim 1, which is characterized in that the two sides of the under casing inner wall are respectively provided with Have a concave block, the concave block altogether there are four, and four concave blocks are in the same horizontal line, the side of the rotating disc and concave block it is interior Surface is slidably connected.

4. the mining main fan of cotta according to claim 1, which is characterized in that the right end of the auxiliary shaft is through biography The left side of movable plate and the right side for extending to driver plate, and the one end for assisting shaft to extend on the right side of driver plate is provided with limit Ring.

5. the mining main fan of cotta according to claim 1, which is characterized in that the two sides of the driver plate are provided with Elevator, two sides of two elevators respectively with protection box inner wall are slidably connected.

6. the mining main fan of cotta according to claim 1, which is characterized in that the two sides of the swivel plate bottom are all provided with The top slide of supporting block there are two setting, two supporting blocks and under casing connects.

7. the mining main fan of cotta according to claim 1, which is characterized in that the surface of the auxiliary slide bar and auxiliary The inner surface in hole is slidably connected, and assists slide bar that the side of elevating lever is provided with auxiliary stopper ring.

8. the mining main fan of cotta according to claim 1, which is characterized in that extending to for first swingle is solid The right side for determining side and fixed ring inner wall inside ring is rotatablely connected.

9. the mining main fan of cotta according to claim 1, which is characterized in that offered at the top of the under casing and two The compatible annular groove of a supporting block.

10. the mining main fan of cotta according to claim 1, which is characterized in that offered on the left of the under casing with The compatible charging hole of the jack of battery group.