阅读说明：本技术 一种煤矿皮带运输机用防逆反装置 (Anti-reverse device for coal mine belt conveyer ) 是由 不公告发明人 于 2020-12-16 设计创作，主要内容包括：本发明一种煤矿皮带运输机用防逆反装置公开了一种通过顶块和滑柱相配合对皮带进行夹持,避免皮带发生逆反后撤现象,同时不干涉阻碍皮带正常输送的防逆反装置,其特征在于两个机体固定架之间等距设置有多个撑辊架,多个所述撑辊架上设置有皮带,多个固定座置于机体固定架上,所述固定座和撑辊架间隔排列,连接架的一端置于固定座上,所述连接架的一端先竖直向上延伸,再向皮带的方向折弯,形成折弯部,两个连接板置于折弯部上,所述连接板的一端和折弯部相连接,所述连接板的另一端向皮带的方向延伸,顶块通过固定螺钉置于连接板的另一端上,所述顶块为锥状结构。(The invention discloses an anti-reversion device for a coal mine belt conveyer, which clamps a belt by matching a top block and a sliding column, avoids the phenomenon of backward withdrawing of the belt, does not interfere and obstruct the normal conveying of the belt, it is characterized in that a plurality of roller supporting frames are equidistantly arranged between the two machine body fixing frames, a belt is arranged on the plurality of roller supporting frames, a plurality of fixing seats are arranged on the machine body fixing frames, the fixed seat and the roller supporting frame are arranged at intervals, one end of the connecting frame is arranged on the fixed seat, one end of the connecting frame extends vertically upwards and then is bent towards the direction of the belt to form a bent part, the two connecting plates are arranged on the bent part, one end of the connecting plate is connected with the bending part, the other end of the connecting plate extends towards the direction of the belt, the ejector block is arranged at the other end of the connecting plate through a fixing screw, and the ejector block is of a conical structure.)

1. The utility model provides a colliery belt conveyer is with preventing contrary device, characterized by: the belt type roller supporting device comprises a belt, roller supporting frames, machine body fixing frames, a lower rotating disc, a connecting frame, a top block, a connecting plate, a fixing screw, a one-way bearing, a fixing seat, an upper rotating disc, a rotating shaft, a contact top column, a spring and a sliding column, wherein a plurality of roller supporting frames are arranged between the two machine body fixing frames at equal intervals, the belt is arranged on the plurality of roller supporting frames, the fixing seats and the roller supporting frames are arranged at intervals, one end of the connecting frame is arranged on the fixing seat, one end of the connecting frame vertically extends upwards firstly and then is bent towards the direction of the belt to form a bent part, the two connecting plates are arranged on the bent part, one end of the connecting plate is connected with the bent part, the other end of the connecting plate extends towards the direction of the belt, the top block is arranged on the other end of the connecting plate through the fixing screw, the top block is positioned between, two the one-way bearing is connected through the pivot, goes up the carousel and arranges the upper end of pivot in, and the lower extreme of pivot is arranged in to the carousel, the belt is located between carousel and the carousel down, it has the traveller that the annular was arranged to go up to put on the carousel, the traveller that the annular was arranged has been put on the carousel down, the one end of traveller is put and is touched the fore-set, it has the spring to touch between fore-set and the traveller, it is corresponding with the kicking block to touch the fore-set, the other end and the belt of traveller are corresponding.

2. The anti-reverse device of claim 1, wherein the top block, the sliding columns, the upper turntable and the lower turntable are designed to cooperate with each other, so that when the belt is transported, the sliding columns are supported by the top block, and the opposite sliding columns clamp the belt by touching the top columns, so that when the belt is transported, the belt drives the sliding columns to move by touching the top columns, the sliding columns move to drive the upper turntable and the lower turntable to rotate, the upper turntable and the lower turntable rotate, so that the sliding columns are sequentially supported by the top block, the opposite sliding columns correspondingly cooperate with each other to support and clamp the belt, and when the belt is reversely retracted, the upper turntable and the lower turntable are locked by the unidirectional bearings at two ends of the rotating shaft at the center of the upper turntable and the lower turntable, and the belt is prevented from sliding.

3. The anti-reversion device for the coal mine belt conveyor as claimed in claim 1, wherein the middle part of the connecting plate is provided with a one-way bearing, the one-way bearing enables the upper turntable and the lower turntable to rotate only in one direction, and when the belt is reversely withdrawn, the one-way bearing is locked, so that the upper turntable and the lower turntable are matched to lock the belt, and the belt is prevented from sliding.

4. The anti-reversion device for the coal mine belt conveyor as claimed in claim 1, wherein the top block is of a conical structure.

5. The anti-reverse device for the coal mine belt conveyor as claimed in claim 1, wherein the anti-skid device and the roller supporting frame are arranged at intervals by the aid of the design that the fixing seat and the roller supporting frame are arranged at intervals, so that the anti-skid devices are matched with each other to clamp the belt, and the belt is prevented from sliding.

6. The anti-reversion device for the coal mine belt conveyor as claimed in claim 1, wherein a friction pad is disposed on the other end of the sliding column.

7. The anti-reverse device for the coal mine belt conveyor as claimed in claim 1, wherein the top surface of the top contacting column is an arc surface, and the surface contact can be changed into point contact, so that the top block can guide the top contacting block, and the top contacting block is prevented from being stuck to the edge of the top block when the top contacting block is about to move to the top block.

Technical Field

The invention discloses a reverse prevention device for a coal mine belt conveyor, relates to a device for preventing the coal mine belt conveyor from being reversely withdrawn, and belongs to the field of coal mine equipment. In particular to a reverse prevention device which is matched with a sliding column through a top block to clamp a belt, avoids the reverse withdrawing phenomenon of the belt and simultaneously does not interfere to block the normal conveying of the belt.

Background

At present, because the underground environment of a coal mine is moist, moisture is easily generated at the bottom of an upper belt of a belt conveyor, so that the friction force between the upper belt and a driving roller is reduced, and the phenomenon of belt sliding and withdrawing is caused, the traditional treatment mode is to spray rosin powder at the bottom of the belt or adjust the tension of the belt to improve the friction force and reduce the phenomenon of sliding and withdrawing, but the anti-reversion mode needs to occupy manpower, has huge spraying workload and higher labor intensity, and the prior notice No. CN211469676U discloses an underground belt conveyor belt anti-skid device which comprises a first case, a rotating motor, a supporting plate, a top plate, a bottom plate, a second case, a cylinder, a fixing plate, a cushion pad and other structures, but the protective device needs to be continuously clamped on the belt when in anti-skid, but is fixed, and is difficult to move along with the belt when clamping, thereby interfering with the normal conveyance of the belt.

Disclosure of Invention

In order to improve the situation, the invention provides the anti-reversion device for the coal mine belt conveyer, which clamps the belt through the matching of the jacking block and the sliding column, avoids the phenomenon of backward withdrawing of the belt and simultaneously does not interfere and obstruct the normal conveying of the belt.

The invention relates to a reverse-proof device for a coal mine belt conveyor, which is realized by the following steps: the invention relates to an anti-reversion device for a coal mine belt conveyor, which consists of a belt, supporting roller frames, machine body fixing frames, a lower rotating disc, a connecting frame, a top block, connecting plates, fixing screws, a one-way bearing, fixing seats, an upper rotating disc, a rotating shaft, a contact top column, a spring and a sliding column, wherein a plurality of supporting roller frames are arranged between the two machine body fixing frames at equal intervals, the belt is arranged on the plurality of supporting roller frames, the plurality of fixing seats are arranged on the machine body fixing frames, the fixing seats and the supporting roller frames are arranged at intervals, one end of the connecting frame is arranged on the fixing seats, one end of the connecting frame vertically extends upwards and then is bent towards the belt to form a bent part, the two connecting plates are arranged on the bent part, one end of each connecting plate is connected with the bent part, the other end of each connecting plate extends towards the direction of the belt, the top block is arranged at the other, the kicking block is located between two connecting plates, one-way bearing, two are put at the middle part of connecting plate one-way bearing is connected through the pivot, goes up the carousel and arranges the upper end of pivot in, and the lower extreme of pivot is arranged in to the carousel, the belt is located between carousel and the carousel down, the traveller that the annular was arranged has been put on the carousel up, the traveller that the annular was arranged has been put on the carousel down, the overhead contact kicking post of putting in one end of traveller, it has the spring to touch between kicking post and the traveller, it is corresponding with the kicking block to touch, the other end and the belt of traveller are corresponding, the friction pad has been put on the other end of traveller, the top surface that touches the kicking post is the.

Has the beneficial effects.

The structure is simple, and the device is convenient and practical.

Secondly, the cost is low, and the popularization is convenient.

And thirdly, the belt can be automatically protected against reverse rotation, so that the reverse rotation phenomenon is avoided.

Fourthly, the belt can be clamped to prevent reversion, and meanwhile normal conveying work of the belt is not interfered and hindered.

Fifthly, the manual maintenance cost is reduced.

Drawings

FIG. 1 is a three-dimensional structure diagram of an anti-reverse device for a coal mine belt conveyor according to the present invention;

FIG. 2 is a schematic structural view of an anti-reverse device for a coal mine belt conveyor according to the present invention;

FIG. 3 is a schematic structural view of a top block of the anti-reverse device for the coal mine belt conveyor;

FIG. 4 is a schematic structural diagram of a lower rotary table of the anti-reverse device for the coal mine belt conveyor.

In the attached drawings

Wherein the method comprises the following steps: the belt (1), prop roller frame (2), organism mount (3), lower carousel (4), link (5), kicking block (6), connecting plate (7), set screw (8), one-way bearing (9), fixing base (10), go up carousel (11), pivot (12), touch fore-set (13), spring (14), traveller (15).

The specific implementation mode is as follows:

the invention relates to a reverse-proof device for a coal mine belt conveyor, which is realized by the following steps: the invention relates to an anti-reversion device for a coal mine belt conveyor, which consists of a belt (1), roller supporting frames (2), machine body fixing frames (3), a lower rotary table (4), a connecting frame (5), a top block (6), a connecting plate (7), a fixing screw (8), a one-way bearing (9), a fixing seat (10), an upper rotary table (11), a rotating shaft (12), a contact top column (13), a spring (14) and a sliding column (15), wherein a plurality of roller supporting frames (2) are arranged between the two machine body fixing frames (3) at equal intervals, the belt (1) is arranged on the plurality of roller supporting frames (2), a plurality of fixing seats (10) are arranged on the machine body fixing frames (3), the fixing seats (10) and the roller supporting frames (2) are arranged at intervals, one end of the connecting frame (5) is arranged on the fixing seat (10), one end of the connecting frame (5) extends vertically upwards and then is bent towards the direction of the belt (1, form the portion of bending, two connecting plates (7) are arranged in the portion of bending, the one end and the portion of bending of connecting plate (7) are connected, the other end of connecting plate (7) extends to the direction of belt (1), and on the other end of connecting plate (7) was arranged in through set screw (8) in kicking block (6), kicking block (6) are the taper structure, kicking block (6) are located between two connecting plates (7), one-way bearing (9) have been put at the middle part of connecting plate (7), two one-way bearing (9) are connected through pivot (12), and the upper end of pivot (12) is arranged in to last carousel (11), and the lower extreme of pivot (12) is arranged in to lower carousel (4), belt (1) are located between last carousel (11) and lower carousel (4), it has ring arrangement's traveller (15) to go up carousel (11), it has ring arrangement's traveller (15) to go up to put on carousel (4) down, the one end of traveller (15) is overhead to be put and is touched fore-set (13), it has spring (14) to touch between fore-set (13) and traveller (15), it is corresponding with kicking block (6) to touch fore-set (13), the other end and belt (1) of traveller (15) are corresponding, the friction pad has been put on the other end of traveller (15), the top surface that touches fore-set (13) is the arcwall face.

When the belt conveyor is used, the top block (6) supports the contact top block, so that the contact top block overcomes the elastic stress of the spring (14) to drive the sliding columns (15) to move, the other ends of the sliding columns (15) support the belt (1), the sliding columns (15) on the upper rotary table (11) and the lower rotary table (4) are matched to clamp the belt (1), when the belt (1) is conveyed, the sliding columns (15) support the belt (1), when the belt (1) moves, the supported sliding columns (15) are driven to move, so that the upper rotary table (11) and the lower rotary table (4) are driven to rotate, the upper rotary table (11) and the lower rotary table (4) rotate, so that the sliding columns (15) are sequentially supported by the top block (6), the opposite sliding columns (15) are correspondingly matched to support and clamp the belt (1), and when the belt (1) is reversely withdrawn, two ends of the rotating shaft (12) at the centers of the upper rotary table (11) and the lower rotary table (4) are provided with bearings (9), the upper turntable (11) and the lower turntable (4) are clamped, so that the belt (1) is prevented from sliding;

the friction pad is arranged at the other end of the sliding column (15), so that the friction force between the sliding column (15) and the belt (1) can be increased, the sliding column (15) is assisted to support and grab the belt (1), and when the belt (1) is reversely retracted, the sliding deviation of the belt (1) caused by the fact that the friction force between the belt (1) and the sliding column is too small is avoided;

the top surface of the top contacting column (13) is designed to be an arc surface, and surface contact can be changed into point contact, so that the top contacting block (6) can be guided, and the top contacting block is prevented from being clamped at the edge of the top contacting block (6) when the top contacting block is to be moved onto the top contacting block (6);

the anti-skid devices and the roller supporting frames (2) are arranged at intervals by the aid of the design that the fixing seats (10) and the roller supporting frames (2) are arranged at intervals, so that the anti-skid devices are matched to clamp the belt (1), and the belt (1) is prevented from sliding;

the jacking block (6) is designed to be of a conical structure, so that the jacking block (6) supports the contact jacking column (13) on one hand, the contact jacking column (13) drives the sliding column to clamp the belt (1), and on the other hand, the top surface of the jacking block (6) forms a slope surface to guide the contact jacking column (13), so that the contact jacking column (13) can easily slide onto the jacking block (6), and jamming between the jacking block (6) and the contact jacking column (13) is avoided;

the middle part of the connecting plate (7) is provided with a one-way bearing (9), the one-way bearing (9) enables the upper turntable (11) and the lower turntable (4) to rotate only in one direction, and when the belt (1) is reversely withdrawn, the one-way bearing (9) is clamped, so that the upper turntable (11) and the lower turntable (4) are matched to clamp the belt (1), and the belt (1) is prevented from sliding;

the matching design of the top block (6), the sliding columns (15), the upper rotating disc (11) and the lower rotating disc (4) is that the top block (6) supports the sliding columns (15) when in use, so that the relative sliding columns (15) clamp the belt (1) through contacting the top columns (13), when the belt (1) is transported, the belt (1) drives the sliding columns (15) to move through contacting the top columns (13), the sliding columns (15) move to drive the upper rotating disc (11) and the lower rotating disc (4) to rotate, the upper rotating disc (11) and the lower rotating disc (4) rotate, so that the sliding columns (15) are sequentially supported by the top block (6), the relative sliding columns (15) are correspondingly matched to support and clamp the belt (1), when the belt (1) is reversely retracted, because two ends of a rotating shaft (12) at the centers of the upper rotating disc (11) and the lower rotating disc (4) are provided with one-way bearings (9), the upper turntable (11) and the lower turntable (4) are clamped, so that the belt (1) is prevented from sliding;

the belt (1) is clamped and prevented from slipping, the phenomenon that the belt (1) is reversely retracted is avoided, and meanwhile the purpose of normally conveying the belt (1) is prevented from being interfered.