CN214499168U

CN214499168U - Quick closing means in coal mine collecting space area

Info

Publication number: CN214499168U
Application number: CN202120507559.9U
Authority: CN
Inventors: 朱红金
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-26
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a coal mine goaf rapid sealing device, which comprises a base, both sides of the base are provided with grooves, a rolling door matched with the grooves is arranged between two grooves, any groove is internally provided with a function lifting mechanism for assisting the rolling door to be used in real time, which is different from the prior art, and in the real-time use process, a handle arranged on the base is rotated to drive a driving bevel gear and a transmission bevel gear to rotate together, under the matching of a chain and a connecting shaft, a support plate on the two chains helps the rolling door to synchronously ascend, and the driving bevel gear drives the transmission bevel gear to be a pinion to drive a big gear, thereby reasonably and effectively ensuring that the whole device is time-saving and labor-saving in practical use, and the whole device is sealed, and can further help the rolling door to be sealed and closed by matching with a clamping plate in a placing groove, thereby effectively preventing the gas leakage in the goaf and having higher safety in practical use.

Description

Quick closing means in coal mine collecting space area

Technical Field

The utility model relates to a coal mining technical field specifically is a quick closing means in coal mine collecting space area.

Background

In the process of coal mining, when a certain part of a underground coal seam is mined, a goaf can be formed in the space occupied by the mined coal seam, floating coal, gas and other flammable and combustible gases may remain in the goaf, and if the gas is not properly processed, unnecessary accidents can be caused, so that in the production process of a coal face or a heading face, the goaf needs to be sealed in order to prevent spontaneous combustion of the coal seam and leakage of harmful gases, in an actual situation, when the heading face needs to be sealed, the construction time for constructing the permanently sealed goaf needs to be long, the goaf is difficult to implement for a while, and serious loss can be brought to staff and production, and therefore, a sealing device of a quick door can be selected to seal the goaf.

However, the existing coal mine goaf quick closing device is low in rigidity, can only block some flammable and explosive gases, and is easy to damage, if the rigidity of the whole device is enhanced, the weight of a door body is large, and under the condition that the whole device cannot be electrified, the door body is opened again, which is troublesome, and brings inconvenience to the actual use of the whole device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick closing means in coal mine collecting space area to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine goaf quick closing device comprises a base, wherein two sides of the base are respectively provided with a groove, a rolling door matched with the grooves is arranged between the two grooves, a function lifting mechanism for assisting the rolling door to be used in real time is arranged in any one of the grooves, the device is different from the prior art, in the real-time use process, a handle arranged on the base is rotated, so that a driving bevel gear and a transmission bevel gear are driven to rotate together, the driving bevel gear drives the transmission bevel gear to be a small gear to drive a large gear, the labor is reasonably and effectively saved when an operator rotates the handle, the transmission bevel gear drives any one first gear and an adjacent second gear to rotate together through a chain, coaxial transmission is realized between the two first gears through a connecting shaft, and therefore, the supporting plates on the two chains help the rolling doors to synchronously ascend, time and labor are saved, the in-service use is got up also more conveniently, and whole device all is sealed processing moreover, and splint in the cooperation standing groove can further help the roll-up door to seal closed to the effectual gas leakage that prevents in the collecting space area, the security that in-service use gets up is also higher.

Preferably, function hoist mechanism includes and rotates the drive shaft of installing on the base through the bearing, just the drive shaft runs through in base to the recess, the one end fixed mounting that the recess was kept away from to the drive shaft has the handle, the one end fixed mounting that the drive shaft is close to the recess has drive bevel gear, install the synchronizing shaft through the bearing rotation on the recess inner wall, the one end fixed mounting that the synchronizing shaft is close to the drive shaft has the transmission bevel gear that cooperation drive bevel gear used, the one end that the drive shaft was kept away from to the synchronizing shaft is provided with the driving medium, through rotating the handle to make drive bevel gear drive transmission bevel gear and rotate together, and drive bevel gear drives transmission bevel gear and drives the gear wheel for the pinion, and reasonable effectual messenger operating personnel is more laborsaving in rotating the handle, and the in-service use is got up more comfortablely.

Preferably, the transmission part comprises a transmission gear fixedly mounted on the synchronizing shaft, the two grooves are internally provided with implementation parts, the base is internally rotatably mounted with a connecting shaft through a bearing, the two implementation parts are matched with each other through the connecting shaft for use, any implementation part is matched with the transmission gear for use, the transmission bevel gear rotates and simultaneously drives the transmission gear to rotate together, so that the implementation parts are driven to move together, the two implementation parts rotate together through the connecting shaft, synchronous ascending of the rolling door can be effectively facilitated, and the rolling door is safer and more reliable to use.

Preferably, implement the piece and include the first gear of fixed mounting at the connecting axle both ends, two all rotate through the pivot on the recess inner wall and install the second gear, two all be connected with the chain between first gear and the adjacent second gear, all install the backup pad that the cooperation roll-up door used in real time on the chain, arbitrary chain cooperation drive gear uses, thereby it drives first gear and second gear and rotates together to make drive gear pivoted simultaneously through the chain, and realizes coaxial transmission through the connecting axle between two first gears to make backup pad help roll-up door on two chains realize ascending in step, stability is also higher when ascending, and it is also more convenient to use.

Preferably, set up the standing groove that makes things convenient for the rolling door closed on the base, install splint through the torsional spring rotation on the standing groove inner wall, set up the spacing groove that cooperation splint used on the rolling door, when the rolling door whereabouts gets into the standing groove, can drive splint and the spacing cooperation of spacing groove, further help rolling door is sealed closed to the effectual gas leakage that prevents in the collecting space area, the security that the in-service use got up is also higher.

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

the utility model is different from the prior art, and in the real-time use process, by rotating the handle arranged on the base, thereby driving the driving bevel gears and the transmission bevel gears to rotate together, and the driving bevel gears driving the transmission bevel gears to be small gears driving big gears, so that the labor is saved when an operator rotates the handle, the transmission bevel gears drive any one first gear and an adjacent second gear to rotate together through a chain, and the two first gears realize coaxial transmission through a connecting shaft, thereby the support plates on the two chains help the rolling door to synchronously ascend, not only time and labor are saved, but also the practical use is more convenient, the whole device is sealed, and can further help the rolling door to be sealed and closed by matching with the clamping plate in the placing groove, thereby effectively preventing the gas leakage in the goaf and having higher safety in practical use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the whole structure of the present invention;

FIG. 3 is a schematic view of another partially cut-away view of the overall structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the area A of the present invention;

FIG. 5 is an enlarged schematic view of the structure of the area B of the present invention;

fig. 6 is an enlarged schematic view of the structure of the C zone of the present invention.

In the figure: 1-a base; 2-a groove; 3, rolling a door; 4-a functional lifting mechanism; 5-a drive shaft; 6-a handle; 7-drive bevel gear; 8-a synchronizing shaft; 9-a drive bevel gear; 10-a transmission member; 11-a transmission gear; 12-implement; 13-a connecting shaft; 14-a first gear; 15-a second gear; 16-a chain; 17-a support plate; 18-a placement groove; 19-clamping plate; 20-limiting groove.

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. 1-6, the present invention provides a technical solution: a coal mine goaf quick closing device comprises a base 1, wherein two sides of the base 1 are respectively provided with a groove 2, a rolling door 3 matched with the groove 2 for use is arranged between the two grooves 2, a function lifting mechanism 4 assisting the rolling door 3 to be used in real time is arranged in any one of the grooves 2, the device is different from the prior art, in the real-time use process, a handle 6 arranged on the base 1 is rotated, so that a driving bevel gear 7 and a transmission bevel gear 9 are driven to rotate together, the driving bevel gear 7 drives the transmission bevel gear 9 to be a small gear to drive a large gear, an operator can reasonably and effectively save more labor when rotating the handle 6, the transmission bevel gear 9 drives any one first gear 14 and an adjacent second gear 15 to rotate together through a chain 16, coaxial transmission is realized between the two first gears 14 through a connecting shaft 13, and a supporting plate 17 on the two chains 16 helps the rolling door 3 to synchronously ascend, not only labour saving and time saving, it is also more convenient that in-service use gets up, and whole device is sealed processing moreover, and splint 19 in the cooperation standing groove 18 can also further help the sealed closure of roll-up door 3 to the gas leakage in the effectual collecting space area that prevents, the security of getting up is also higher in-service use.

The function lifting mechanism 4 comprises a driving shaft 5 which is rotatably installed on a base 1 through a bearing, the driving shaft 5 penetrates through the base 1 to the groove 2, one end, far away from the groove 2, of the driving shaft 5 is fixedly provided with a handle 6, one end, near the groove 2, of the driving shaft 5 is fixedly provided with a driving bevel gear 7, the inner wall of the groove 2 is rotatably provided with a synchronizing shaft 8 through a bearing, one end, near the driving shaft 5, of the synchronizing shaft 8 is fixedly provided with a transmission bevel gear 9 which is matched with the driving bevel gear 7 to use, one end, far away from the driving shaft 5, of the synchronizing shaft 8 is provided with a transmission part 10, an operator rotates the handle 6, so that the driving bevel gear 7 fixedly installed on the driving shaft 5 rotates together, the transmission bevel gear 9 on the synchronizing shaft 8 rotates together, and the driving bevel gear 7 drives the transmission bevel gear 9 to be a small gear driving large gear, the handle 6 is more labor-saving when being rotated by an operator, and is more comfortable in actual use.

The driving part 10 comprises a driving gear 11 fixedly installed on a synchronizing shaft 8, two implementing parts 12 are arranged in the grooves 2, a connecting shaft 13 is installed in the base 1 in a rotating mode through a bearing, the two implementing parts 12 are matched through the connecting shaft 13 for use, any implementing part 12 is matched with the driving gear 11 for use, the driving bevel gear 9 drives the driving gear 11 to rotate together when rotating, so that the implementing parts 12 are driven to move together, the two implementing parts 12 rotate together through the connecting shaft 13, synchronous rising of the rolling door 3 can be effectively facilitated, and the use is safer and more reliable.

Implement 12 including fixed mounting at the first gear 14 at connecting axle 13 both ends, two all rotate through the pivot on the 2 inner walls of recess and install second gear 15, two all be connected with chain 16 between first gear 14 and the adjacent second gear 15, all install the backup pad 17 that cooperation rolling door 3 used in real time on the chain 16, arbitrary chain 16 cooperation transmission gear 11 uses, thereby it drives first gear 14 and second gear 15 and rotates together to make transmission gear 11 pivoted through chain 16, and realizes coaxial transmission through connecting axle 13 between two first gears 14 to make backup pad 17 help rolling door 3 on two chains 16 realize synchronous rising, stability when rising is also higher, and it is also more convenient to use.

Offer on the base 1 and make things convenient for the closed standing groove 18 of roll-up door 3, install splint 19 through the torsional spring rotation on the standing groove 18 inner wall, set up the spacing groove 20 that cooperation splint 19 used on the roll-up door 3, when roll-up door 3 whereabouts gets into standing groove 18, just can press the torsional spring to drive the spacing cooperation of splint 19 and spacing groove 20, further help roll-up door 3 is sealed closed, thereby the effectual gas leakage that prevents in the collecting space area, the security that the in-service use gets up is also higher.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick closing means in coal mine collecting space area, includes base (1), recess (2), two are all seted up to base (1) both sides be provided with between recess (2) and cooperate rolling door (3) that recess (2) used, its characterized in that: a function lifting mechanism (4) used for assisting the rolling door (3) in real time is arranged in any one of the grooves (2).

2. The rapid closing device of a coal mine goaf according to claim 1, characterized in that: function hoist mechanism (4) include and rotate drive shaft (5) of installing on base (1) through the bearing, just drive shaft (5) run through in base (1) to recess (2), the one end fixed mounting that recess (2) were kept away from in drive shaft (5) has handle (6), the one end fixed mounting that drive shaft (5) are close to recess (2) has drive bevel gear (7), install synchronizing shaft (8) through the bearing rotation on recess (2) inner wall, the one end fixed mounting that synchronizing shaft (8) are close to drive shaft (5) has transmission bevel gear (9) that cooperation drive bevel gear (7) used, the one end that drive shaft (5) were kept away from in synchronizing shaft (8) is provided with driving medium (10).

3. The rapid closing device of a coal mine goaf according to claim 2, characterized in that: the transmission part (10) comprises a transmission gear (11) fixedly mounted on a synchronizing shaft (8), two implementation parts (12) are arranged in the groove (2), a connecting shaft (13) is mounted in the base (1) in a rotating mode through a bearing, the implementation parts (12) are matched with one another through the connecting shaft (13) for use, and the implementation parts (12) are matched with the transmission gear (11) for use.

4. The rapid closing device of a coal mine goaf according to claim 3, characterized in that: implement piece (12) including first gear (14) of fixed mounting at connecting axle (13) both ends, two all install second gear (15), two through the pivot rotation on recess (2) inner wall all be connected with chain (16) between first gear (14) and adjacent second gear (15), all install backup pad (17) that cooperate rolling door (3) real-time use on chain (16), arbitrary chain (16) cooperation drive gear (11) are used.

5. The rapid closing device of a coal mine goaf according to claim 4, characterized in that: the base (1) is provided with a placing groove (18) which is convenient for the rolling door (3) to be closed, the inner wall of the placing groove (18) is provided with a clamping plate (19) through the rotation of a torsion spring, and the rolling door (3) is provided with a limiting groove (20) which is matched with the clamping plate (19) for use.