CN207278287U - Automatic switcher for coal mine safety ventilation - Google Patents

Abstract

The utility model discloses a kind of automatic switcher for coal mine safety ventilation, first rotating shaft is connected with the left of the Transmission Room inner cavity, rotary body is socketed with the outside of the first rotating shaft, the outside of the rotary body is equidistant to be fixedly connected with rotating vane, the front of the first rotating shaft is socketed with the first angular wheel through rotary body, supporting block is fixedly connected with the right side of the Transmission Room inner cavity, threaded rod is connected with the left of the supporting block, thread bush is socketed with the outside of the threaded rod, the threaded rod is socketed with the second angular wheel through thread bush, strut is fixedly connected with the top of the thread bush, connecting rod is hinged with the top of the strut, wind shield is hinged with the right side of the connecting rod.The use that the utility model passes through rotating vane, the first angular wheel, thread bush, strut, connecting rod and wind shield so that the automatic switcher for coal mine safety ventilation is highly practical.

Description

Automatic switcher for coal mine safety ventilation

Technical field

Coalmine ventilation technical field is the utility model is related to, is specially a kind of automatic switcher for coal mine safety ventilation.

Background technology

Lead to during the developing and exploitation of mine, it is necessary to carry out part to hoistway inside using local ventilation blower Wind, in order to reach the effect of dedusting is with pernicious gas is discharged.

And office must all be ensured in normal work and during relieving according to the requirement of safety regulations in coal mine, mine The normal operation of portion's ventilation blower, but when using booster ventilation, once booster failure needs are tieed up When repairing replacement, since booster is located at deep in mine so that replacement local fan is cumbersome and nervous, this results in biography The problem of coalmine ventilation equipment poor practicability of uniting, occurs.

The content of the invention

The purpose of this utility model is to provide a kind of automatic switcher for coal mine safety ventilation, possess highly practical excellent Point, solves the problems, such as traditional colliery ventilation equipment poor practicability.

To achieve the above object, the utility model provides following technical solution：A kind of automatic switcher for coal mine safety ventilation, Including upper ventilation duct, the bottom of the upper ventilation duct is communicated with Transmission Room, and is connected with the left of the Transmission Room inner cavity One shaft, is socketed with rotary body on the outside of the first rotating shaft, the outside of the rotary body is equidistant to be fixedly connected with pivoting leaf Piece, the front of the first rotating shaft are socketed with the first angular wheel through rotary body, and the right side of the Transmission Room inner cavity, which is fixed, to be connected Supporting block is connected to, threaded rod is connected with the left of the supporting block, thread bush is socketed with the outside of the threaded rod, it is described Threaded rod is socketed with the second angular wheel through thread bush, and strut is fixedly connected with the top of the thread bush, the strut Top is hinged with connecting rod, and wind shield, the upper ventilation duct intracavity bottom and lower ventilation duct are hinged with the right side of the connecting rod Arc square is fixedly connected with the left of inner cavity top, the right side opening of the upper ventilation duct intracavity bottom is equipped with sliding slot, described The bottom of Transmission Room is communicated with lower ventilation duct, the left side of the upper ventilation duct intracavity bottom and the left side of lower ventilation duct inner cavity top Offer straight slot.

Preferably, the right side of the upper ventilation duct and lower ventilation duct is communicated with air-out groove, and two air-out grooves is effective It is communicated as one.

Preferably, blast pipe, and the upper and lower part difference on the right side of blast pipe are fixedly connected with the left of the Transmission Room Connected with the left side of upper ventilation duct and lower ventilation duct.

Preferably, the top of the strut through sliding slot and extends to the inner cavity of ventilation duct, and the bottom of strut is run through Transmission Room and the inner cavity for extending to Transmission Room.

Preferably, the wind shield is located at the inner cavity of upper ventilation duct, and the bottom of wind shield and the bottom of upper ventilation tube cavity Portion overlaps.

Preferably, the positive right side of the first angular wheel is engaged with the left side at the second angular wheel back side.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the use that the utility model passes through rotating vane, the first angular wheel and thread bush so that instantly ventilation duct into During wind, wind blows rotating vane rotates, and rotating vane drives rotary body to rotate, and rotary body drives the first cone by first rotating shaft Shape gear rotates, and the first angular wheel drives threaded rod to rotate by the second angular wheel, and the threaded rod of rotation can rotate While force thread bush to be slided to the right in the inner side of sliding slot, so the automatic switcher for coal mine safety ventilation being capable of automatic sensing Lower ventilation duct whether inlet air come control thread bush sliding slot inner cavity slide.

2nd, the use that the utility model passes through strut, connecting rod and wind shield so that when thread bush is located at the inner cavity of sliding slot To the right during Slideslip, wind shield positioned at upper ventilation tube cavity bottom Slideslip to the right, and after sliding a period of time, wind shield Right contact to it is upper ventilation inside pipe wall right side and be blocked, forced on the right side of wind shield along it is upper ventilation tube cavity right arm The inlet side of upward sliding and the gradual pair of air-out groove connected with upper ventilation duct is closed, and the wind entered by blast pipe can be automatic Discharged by lower ventilation duct, so when being carried out maintenance to booster, directly can connected local fan and lower ventilation duct The blast pipe side of connection, still can normally be divulged information, it is achieved thereby that the automatic switcher for coal mine safety ventilation is real With the strong function of property.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the schematic diagram of the utility model straight slot and sliding slot.

In figure：Ventilation duct on 1,2 Transmission Rooms, 3 first rotating shafts, 4 rotary bodies, 5 rotating vanes, 6 first angular wheels, 7 Bracer, 8 threaded rods, 9 thread bush, 10 second angular wheels, 11 struts, 12 connecting rods, 13 wind shields, 14 arc squares, 15 are slided Groove, 16 times ventilation ducts, 17 straight slots, 18 air-out grooves, 19 blast pipes.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of automatic switcher for coal mine safety ventilation, bag Including ventilation duct 1, the bottom of upper ventilation duct 1 is communicated with Transmission Room 2, and the left side of Transmission Room 2 is fixedly connected with blast pipe 19, and into Left side of the upper and lower part on the right side of air hose 19 respectively with upper ventilation duct 1 and lower ventilation duct 16 connects, and passes through making for blast pipe 19 With so that the left side of blast pipe 19 is connected with two boosters at the same time respectively, when a certain local ventilation machine overhauling of progress When, an other booster can be started, so that prevent that mine can not divulge information in maintenance, the left side of 2 inner cavity of Transmission Room First rotating shaft 3 is connected with, the outside of first rotating shaft 3 is socketed with rotary body 4, and the outside of rotary body 4 is equidistant to be fixedly connected There is rotating vane 5, the front of first rotating shaft 3 is socketed with the first angular wheel 6 through rotary body 4, and the right side of 2 inner cavity of Transmission Room is consolidated Surely supporting block 7 is connected with, the left side of supporting block 7 is connected with threaded rod 8, and the outside of threaded rod 8 is socketed with thread bush 9, leads to Cross the use of rotating vane 5, the first angular wheel 6 and thread bush 9 so that instantly during 16 inlet air of ventilation duct, wind blows rotation Blade 5 rotates, and rotating vane 5 drives rotary body 4 to rotate, and rotary body 4 drives the first angular wheel 6 to rotate by first rotating shaft 3, First angular wheel 6 drives threaded rod 8 to rotate by the second angular wheel 10, and the threaded rod 8 of rotation can be while rotating Thread bush 9 is forced to be slided to the right in the inner side of sliding slot 15, so the automatic switcher for coal mine safety ventilation can be under automatic sensing Whether inlet air controls the thread bush 9 to be slided in the inner cavity of sliding slot 15 to ventilation duct 16, and threaded rod 8 is socketed with second through thread bush 9 Angular wheel 10,6 positive right side of the first angular wheel are engaged with the left side at 10 back side of the second angular wheel, the top of thread bush 9 Portion is fixedly connected with strut 11, and the top of strut 11 through sliding slot 15 and extends to the inner cavity of ventilation duct 1, and the bottom of strut 11 Portion is through Transmission Room 2 and extends to the inner cavity of Transmission Room 2, and the top of strut 11 is hinged with connecting rod 12, the right side of connecting rod 12 Wind shield 13 is hinged with, wind shield 13 is located at the inner cavity of upper ventilation duct 1, and the bottom of wind shield 13 and upper 1 inner cavity of ventilation duct Bottom overlaps, and passes through the use of strut 11, connecting rod 12 and wind shield 13 so that when thread bush 9 be located at the inner cavity of sliding slot 15 to When right side is slided, wind shield 13 is located at the bottom of upper 1 inner cavity of ventilation duct Slideslip to the right, and after sliding a period of time, keep out the wind The right contact of plate 13 is to the right side of upper 1 inner wall of ventilation duct and is blocked, and the right side of wind shield 13 is forced in upper ventilation duct 1 The inlet side of the right arm upward sliding of chamber and the gradual pair of air-out groove 18 connected with upper ventilation duct 1 is closed, so by inlet air The wind that pipe 19 enters can be discharged by lower ventilation duct 16 automatically, it is achieved thereby that the automatic switcher for coal mine safety ventilation is highly practical Function, be fixedly connected with arc square 14 on the left of upper 1 intracavity bottom of ventilation duct and lower 16 inner cavity top of ventilation duct, passed through The use of arc square 14 so that it is distinguished and admirable into 2 inner cavity of Transmission Room and to threaded rod 8 that arc square 14 can prevent that impurity from following Rotation with thread bush 9 produces obstruction, effectively increases the practicality of the automatic switcher for coal mine safety ventilation, upper ventilation duct 1 The right side opening of intracavity bottom is equipped with sliding slot 15, passes through the use of sliding slot 15 so that does rotation when screw rod and forces thread bush 9 to produce cunning During dynamic trend, thread bush 9 can be smoothly in the interior Slideslip of sliding slot 15, and the front of 15 inner cavity of sliding slot can be right with the back side The front of thread bush 9 is stopped with the back side, and effectively the motion track of thread bush 9 can be fixed, so as to allow wind shield 13 movement is more stablized, and the bottom of Transmission Room 2 is communicated with lower ventilation duct 16, and the right side of upper ventilation duct 1 and lower ventilation duct 16 is equal Air-out groove 18 is communicated with, and two the effective of air-out groove 18 are communicated as one, the left side of upper 1 intracavity bottom of ventilation duct and lower ventilation The left side of 16 inner cavity top of pipe offers straight slot 17.

In use, upper ventilation duct 1 is the ventilation shaft that uses of safe ventilation automatic switchover device acquiescence, when need pair with it is upper When the booster of 1 side of ventilation duct is overhauled, the booster with upper 1 side of ventilation duct can be closed and directly opened The dynamic booster with lower 16 side of ventilation duct, at this time, instantly during 16 inlet air of ventilation duct, wind blows rotating vane 5 rotates, Rotating vane 5 drives rotary body 4 to rotate, and rotary body 4 drives the first angular wheel 6 to rotate by first rotating shaft 3, the first conical tooth Wheel 6 drives threaded rod 8 to rotate by the second angular wheel 10, and the threaded rod 8 of rotation can force thread bush 9 while rotating Slided to the right in the inner side of sliding slot 15, so the automatic switcher for coal mine safety ventilation can under automatic sensing ventilation duct 16 whether Inlet air come control thread bush 9 sliding slot 15 inner cavity slide, when thread bush 9 be located at the inner cavity Slideslip to the right of sliding slot 15, keep off Aerofoil 13 is located at the bottom of upper 1 inner cavity of ventilation duct Slideslip to the right, and after sliding a period of time, the right contact of wind shield 13 To the right side of upper 1 inner wall of ventilation duct and it is blocked, the right side of wind shield 13 forces the right arm along upper 1 inner cavity of ventilation duct to slide up Dynamic and the gradual pair of air-out groove 18 connected with upper ventilation duct 1 inlet side is closed, and the wind entered by blast pipe 19 can be automatic Discharged by lower ventilation duct 16, so when being carried out maintenance to booster, directly can connected local fan and lower ventilation 19 side of blast pipe that pipe 16 connects, still can normally be divulged information.

In conclusion the automatic switcher for coal mine safety ventilation, passes through rotating vane 5, the first angular wheel 6, thread bush 9th, the use of strut 11, connecting rod 12 and wind shield 13, solves the problems, such as traditional colliery ventilation equipment poor practicability.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, by sentence " an including key element limited, it is not excluded that including Also there are other identical element in the process of the key element, method, article or equipment ".

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of automatic switcher for coal mine safety ventilation, including upper ventilation duct（1）, it is characterised in that：The upper ventilation duct（1）'s Bottom is communicated with Transmission Room（2）, the Transmission Room（2）First rotating shaft is connected with the left of inner cavity（3）, the first rotating shaft （3）Outside be socketed with rotary body（4）, the rotary body（4）Outside equidistant be fixedly connected with rotating vane（5）, it is described First rotating shaft（3）Front run through rotary body（4）It is socketed with the first angular wheel（6）, the Transmission Room（2）The right side of inner cavity is consolidated Surely it is connected with supporting block（7）, the supporting block（7）Left side be connected with threaded rod（8）, the threaded rod（8）Outside It is socketed with thread bush（9）, the threaded rod（8）Through thread bush（9）It is socketed with the second angular wheel（10）, the thread bush （9）Top be fixedly connected with strut（11）, the strut（11）Top be hinged with connecting rod（12）, the connecting rod（12） Right side be hinged with wind shield（13）, the upper ventilation duct（1）Intracavity bottom and lower ventilation duct（16）The left side of inner cavity top is equal It is fixedly connected with arc square（14）, the upper ventilation duct（1）The right side opening of intracavity bottom is equipped with sliding slot（15）, the Transmission Room （2）Bottom be communicated with lower ventilation duct（16）, the upper ventilation duct（1）The left side of intracavity bottom and lower ventilation duct（16）Push up inner cavity The left side in portion offers straight slot（17）.

2. automatic switcher for coal mine safety ventilation according to claim 1, it is characterised in that：The upper ventilation duct（1）With Lower ventilation duct（16）Right side be communicated with air-out groove（18）, and two air-out grooves（18）Effectively be communicated as one.

3. automatic switcher for coal mine safety ventilation according to claim 1, it is characterised in that：The Transmission Room（2）A left side Side is fixedly connected with blast pipe（19）, and blast pipe（19）The upper and lower part on right side respectively with upper ventilation duct（1）With lower ventilation Pipe（16）Left side connection.

4. automatic switcher for coal mine safety ventilation according to claim 1, it is characterised in that：The strut（11）Top Through sliding slot（15）And extend to ventilation duct（1）Inner cavity, and strut（11）Bottom run through Transmission Room（2）And extend to biography Dynamic room（2）Inner cavity.

5. automatic switcher for coal mine safety ventilation according to claim 1, it is characterised in that：The wind shield（13）It is located at Upper ventilation duct（1）Inner cavity, and wind shield（13）Bottom and upper ventilation duct（1）The bottom overlap joint of inner cavity.

6. automatic switcher for coal mine safety ventilation according to claim 1, it is characterised in that：First angular wheel （6）Positive right side and the second angular wheel（10）The left side engagement at the back side.