Screen cleaning device for coal mine

Abstract

The utility model relates to the technical field of coal mine screen cleaning, in particular to a screen cleaning device for a coal mine, which is characterized by comprising an intercepting component, a screening component is arranged on one side of the intercepting component, an adjusting component is mounted in the screening component, a collecting box is arranged below the adjusting component, and a cleaning component is arranged below the adjusting component. By arranging the intercepting assembly, large coal briquettes can be prevented from falling onto the sieve plate to cause deformation of the sieve plate, the screening efficiency and precision can be effectively guaranteed, and the service life of the sieve plate is prolonged; by arranging the screening assembly and the adjusting assembly, coal briquettes can be screened, the adjusting assembly is started, and the size of screen holes can be adjusted, so that the size of the screen holes is adjusted under the condition that a screen plate is not replaced, and the coal briquettes of different sizes are screened out according to requirements; and by arranging the cleaning assembly, after screening is completed, the screening plate can be cleaned, and the screening efficiency of the next time is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine screen cleaning technical field especially relates to a coal mine screen cleaning device. BACKGROUND

[0002] Coal mine is the reasonable space that human excavates when digging the geological layer rich in coal, usually including roadway, well and cavern and mining face etc. Coal is the most main solid fuel of human currently, is a kind of combustible organic rock. It is the thick layer that the flourishing plant of certain geologic era grows, is gradually accumulated in suitable geologic environment, is buried in water bottom or silt, is formed after the long geologic era natural coalification. According to the coalification degree, coal can be divided into peat, lignite, bituminous coal and anthracite four categories.

[0003] Coal needs to be screened and treated after being mined, different sizes of coal have different prices and purposes, the existing equipment is inconvenient to adjust the size of the screen hole, it is not conducive to quickly screen different grades of coal, and after screening coal, some coal blocks are often stuck in the screen hole, and some screen holes are also blocked by coal powder, so the screen plate needs to be cleaned to avoid affecting the subsequent screening efficiency.

[0004] Therefore, the coal mine screen cleaning device is provided to overcome the defects of the prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problem that the existing equipment is inconvenient to adjust the size of the screen hole, and the screen plate needs to be cleaned after screening coal.

[0006] The utility model technical scheme provides a coal mine screen cleaning device, including intercepting component, one side of intercepting component is provided with screening component, screening component is used for screening different size raw materials, and coal blocks are graded, adjusting component is installed in screening component, collecting box is arranged below adjusting component, cleaning component is arranged below adjusting component, adjusting component can adjust the size of screen hole according to demand, without replacing screening component, different size coal blocks can be selected, cleaning component can clean coal blocks stuck in screening component and adjusting component, to avoid affecting screening efficiency.

[0007] As a preferred technical scheme, the intercepting component includes a connecting plate, the end of the connecting plate away from the screening component is inclined upward, a baffle one and a baffle two are fixedly connected to the connecting plate, a baffle three is arranged below the side of the baffle two, the baffle three is an arc-shaped plate, a gap is arranged between the baffle three and the baffle two, a baffle four is fixedly connected to the end of the baffle three away from the baffle two, an intercepting plate is fixedly connected to the top of the baffle three and the baffle one, the intercepting plate is suspended, can intercept larger coal blocks, avoid the screening component from being severely impacted and deformed, workers can use a grab to take out the coal blocks blocked by the intercepting plate, to avoid affecting the coal blocks from sliding down.

[0008] As a preferred technical scheme, the screening assembly comprises four telescopic members, two telescopic members form a group, the top of the telescopic rod of each group of telescopic members is fixedly connected with a support plate, there are two support plates in total, the collecting box is arranged directly below the support plate, a connecting groove one and a connecting groove two are arranged on each support plate, the connecting groove one is arranged above the connecting groove two, an adjusting assembly is arranged in the connecting groove one, a cleaning assembly is arranged in the connecting groove two, a sieve plate one is fixedly connected to the inner top wall of the connecting groove one, the sieve plate one is arranged above the adjusting assembly, and a plurality of sieve holes one are arranged on the sieve plate one.

[0009] As a preferred technical scheme, the adjusting assembly comprises a telescopic member two, the bottom wall of the telescopic member two is fixedly connected with the inner bottom wall of the connecting groove one, the end of the telescopic rod in the telescopic member two is fixedly connected with a pressing block one, the adjusting assembly further comprises a telescopic member three, the bottom wall of the telescopic member three is fixedly connected with the inner bottom wall of the connecting groove one, the end of the telescopic rod in the telescopic member three is fixedly connected with a pressing block two, the adjusting assembly further comprises a sieve plate two, the sieve plate two is arranged below the sieve plate one, the top wall of the sieve plate two is in contact with the bottom wall of the sieve plate one, a plurality of sieve holes two are arranged on the sieve plate two, a slot one and a slot two are arranged on one end of the sieve plate two close to the telescopic member two, the slot one and the slot two are in communication, the slotting height of the slot one is less than the slotting height of the slot two, the pressing block one is arranged in the slot two, the diameter of the pressing block one is greater than the slotting height of the slot one, a slot three and a slot four are arranged on one end of the sieve plate two close to the telescopic member three, the slot three and the slot four are in communication, the slotting height of the slot three is less than the slotting height of the slot four, the pressing block two is arranged in the slot four, the diameter of the pressing block two is greater than the slotting height of the slot three, the telescopic member two works, the pressing block one is driven to move by the telescopic rod of the telescopic member two, so that the sieve plate two moves left and right, the telescopic member three works, the pressing block two is driven to move by the telescopic rod of the telescopic member three, so that the sieve plate two moves forward and backward, the telescopic member two and the telescopic member three can be used independently or in linkage, so as to adjust the position of the sieve plate two and the sieve holes two, and then adjust the relative position of the sieve plate one and the sieve plate two, so that the device can meet the demand without replacing the screening assembly, and the coal blocks can be classified and screened.

[0010] As a preferred technical scheme, the cleaning assembly comprises a motor, the motor is horizontally arranged in the connecting groove two of one of the support plates, is fixedly connected with the bottom wall of the connecting groove two, and an output shaft of the motor is in transmission connection with a screw rod, the cleaning assembly further comprises a guide rod, the guide rod is arranged in the connecting groove two of the other support plate, a corner mechanism is arranged on the screw rod and the guide rod respectively, a fifth telescopic piece is fixedly connected to the top of the corner mechanism, a loading plate is fixedly connected to the top of the telescopic rod in the fifth telescopic piece, a plurality of connecting columns are fixedly connected to the top of the loading plate, the motor can drive the corner mechanism to move along the guide rod, thereby driving the loading plate and the connecting columns to move, the fifth telescopic piece can drive the loading plate and the connecting columns to move up and down, thereby cleaning the screen holes one and the screen holes two, and the motor and the fifth telescopic piece jointly act on the screen holes one and the screen holes two at different positions, thereby avoiding that the coal blocks are stuck in the screen holes or block the screen holes.

[0011] As a preferred technical scheme, the corner mechanism comprises a connecting rod one, a threaded hole is formed in the connecting rod one, the connecting rod one is in threaded connection with the screw rod through the threaded hole, the connecting rod one is in sliding connection with the guide rod, a fourth telescopic piece is hingedly connected to the lower part of one side of the connecting rod one, a connecting rod two is hingedly connected to the upper part of one side of the connecting rod one, one end of the connecting rod two, away from the connecting rod one, is hingedly connected to one end of the fourth telescopic piece, away from the connecting rod one, the top of the connecting rod two is fixedly connected to the bottom wall of the fifth telescopic piece, the fourth telescopic piece works to drive the connecting rod two to rotate, thereby driving the loading plate to rotate through the fifth telescopic piece, so that the angle of the loading plate is adjusted.

[0012] The coal mine screen cleaning device has the advantages that:

[0013] The intercepting assembly can prevent large coal blocks from falling on the screen plate, prevent the screen plate from being deformed, effectively ensure the screening efficiency and precision, and prolong the service life of the screen plate.

[0014] The screening assembly and the adjusting assembly are arranged, the coal blocks can be screened, the adjusting assembly is started, the size of the screen hole can be adjusted, the size of the screen hole is adjusted without replacing the screen plate, and different sizes of coal blocks are screened according to requirements.

[0015] The cleaning assembly is arranged, the screen plate can be cleaned after screening, and the efficiency of the next screening is ensured. DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model embodiment one;

[0017] Figure 2 It is a perspective view of the intercepting assembly of the utility model embodiment one;

[0018] Figure 3 It is a schematic view of part of the structure of the utility model embodiment one;

[0019] Figure 4 For the utility model embodiment one Figure 3 The A part enlarged view of

[0020] Figure 5 For the utility model embodiment one adjusting assembly schematic drawing

[0021] Figure 6 For the utility model embodiment one Figure 5 The B part enlarged view of

[0022] Figure 7 For the utility model embodiment one cleaning assembly schematic drawing

[0023] Figure 8 For the utility model embodiment one corner mechanism schematic drawing.

[0024] Wherein, 1, intercepting assembly;11, connecting plate;12, baffle one;13, baffle two;14, baffle three;15, baffle four;16, intercepting plate;2, screening assembly;21, telescopic piece one;22, support plate;23, connecting groove one;24, connecting groove two;25, sieve plate one;26, sieve hole one;3, adjusting assembly;31, telescopic piece two;32, pressing block one;33, notch one;34, notch two;35, telescopic piece three;36, pressing block two;37, notch three;38, notch four;39, sieve plate two;310, sieve hole two;4, collection box;5, cleaning assembly;51, motor;52, screw;53, guide rod;54, corner mechanism;541, connecting rod one;542, screw hole;543, telescopic piece four;544, connecting rod two;55, telescopic piece five;56, object carrying plate;57, connecting column. Specific implementation

[0025] In order to make the technical means, technical features, utility model purposes and technical effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings;Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments;Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor should belong to the scope of the utility model protection.

[0026] Embodiment one

[0027] As Figures 1 to 8As shown: a coal mine with a screen cleaning device, including intercepting component 1, one side of intercepting component 1 is provided with screening component 2, screening component 2 is used for screening different size of raw materials, grading coal, adjusting component 3 is installed in screening component 2, collecting box 4 is arranged below adjusting component 3, cleaning component 5 is arranged below adjusting component 3, adjusting component 3 can adjust the size of the screen hole according to the demand, without replacing screening component 2, different size of coal can be selected, cleaning component 5 can clean the coal stuck in screening component 2 and adjusting component 3, avoiding affecting the screening efficiency.

[0028] As shown in Figure 1 , Figure 2 : the intercepting component 1 includes connecting plate 11, the end of connecting plate 11 away from screening component 2 is inclined upward, baffle one 12 and baffle two 13 are fixedly connected on connecting plate 11, baffle three 14 is arranged below the side of baffle two 13, baffle three 14 is arc plate, a gap is arranged between baffle three 14 and baffle two 13, baffle four 15 is fixedly connected to the end of baffle three 14 away from baffle two 13, the top of baffle three 14 and baffle one 12 is fixedly connected with intercepting plate 16, intercepting plate 16 is arranged in suspension, which can intercept larger coal, avoiding the deformation of screening component 2 caused by serious impact, workers can use grab to take out the coal blocked by intercepting plate 16, avoiding affecting the coal sliding down.

[0029] As shown in Figure 1 , Figure 3 and Figure 4 : the screening component 2 includes telescopic part one 21, there are four telescopic part one 21, every two telescopic part one 21 is a group, the top of telescopic rod of each group of telescopic part one 21 is fixedly connected with a support plate 22, there are two support plates 22, the collecting box 4 is arranged directly below the support plate 22, the support plate 22 is provided with connecting groove one 23 and connecting groove two 24, the connecting groove one 23 is arranged above the connecting groove two 24, the adjusting component 3 is arranged in the connecting groove one 23, the cleaning component 5 is arranged in the connecting groove two 24, the screen plate one 25 is fixedly connected to the inner top wall of the connecting groove one 23, the screen plate one 25 is arranged above the adjusting component 3, a plurality of screen holes one 26 are arranged on the screen plate one 25, the screen plate one 25 is arranged in inclination, the end close to the intercepting component 1 is inclined upward, the inclination angle is not greater than 5°, a plurality of telescopic part one 21 work synchronously, and piston operation is carried out simultaneously, which can drive the screen plate one 25 to vibrate up and down, so that the coal is screened, and the coal moves away from the intercepting component 1 at the same time.

[0030] As shown in Figure 1 , Figures 3 to 6As shown: the adjusting assembly 3 includes telescopic piece two 31, the bottom wall of telescopic piece two 31 and the inner bottom wall of connecting groove one 23 are fixedly connected, the end of telescopic rod in telescopic piece two 31 is fixedly connected with pressing block one 32, it further includes telescopic piece three 35, the bottom wall of telescopic piece three 35 and the inner bottom wall of connecting groove one 23 are fixedly connected, the end of telescopic rod in telescopic piece three 35 is fixedly connected with pressing block two 36, it further includes sieve plate two 39, sieve plate two 39 is set below sieve plate one 25, the top wall of sieve plate two 39 and the bottom wall of sieve plate one 25 are in contact, a plurality of sieve holes two 310 are formed in sieve plate two 39, slot one 33 and slot two 34 are formed in one end of sieve plate two 39 close to telescopic piece two 31, slot one 33 and slot two 34 are communicated, the slot height of slot one 33 is less than the slot height of slot two 34, pressing block one 32 is set in slot two 34 and is slidably connected therewith, the diameter of pressing block one 32 is greater than the slot height of slot one 33, slot three 37 and slot four 38 are formed in one end of sieve plate two 39 close to telescopic piece three 35, slot three 37 and slot four 38 are communicated, the slot height of slot three 37 is less than the slot height of slot four 38, pressing block two 36 is set in slot four 38 and is slidably connected therewith, the diameter of pressing block two 36 is greater than the slot height of slot three 37, telescopic piece two 31 works, and the movement of pressing block one 32 is driven by the telescopic rod thereof, to drive sieve plate two 39 to move left and right, telescopic piece three 35 works, and the movement of pressing block two 36 is driven by the telescopic rod thereof, to drive sieve plate two 39 to move back and forth, telescopic piece two 31 and telescopic piece three 35 can be used independently or in linkage, to adjust the position of sieve plate two 39 and sieve holes two 310, further adjust the relative position of sieve plate one 25 and sieve plate two 39, so that the device can be required without replacing screening assembly 2, to classify and screen coal blocks.

[0031] As Figure 1 , Figure 3 , Figure 4 , Figure 7 and Figure 8As shown: the cleaning assembly 5 includes a motor 51, the motor 51 is horizontally arranged in the connecting groove two 24 of one of the support plates 22, and is fixedly connected with the bottom wall of the connecting groove two 24, the output shaft of the motor 51 is drivingly connected with a screw rod 52, and the cleaning assembly 5 further includes a guide rod 53, the guide rod 53 is arranged in the connecting groove two 24 of the other support plate 22, and a corner mechanism 54 is arranged on the screw rod 52 and the guide rod 53, respectively, the top of the corner mechanism 54 is fixedly connected with a fifth telescopic piece 55, the top of the telescopic rod in the fifth telescopic piece 55 is fixedly connected with a carrier plate 56, the top of the carrier plate 56 is fixedly connected with a plurality of connecting columns 57, the motor 51 can drive the corner mechanism 54 to move along the guide rod 53, thereby driving the carrier plate 56 and the connecting columns 57 to move, the fifth telescopic piece 55 can drive the carrier plate 56 and the connecting columns 57 to move up and down, thereby cleaning the screen hole one 26 and the screen hole two 310, the motor 51 and the fifth telescopic piece 55 jointly act on, can process the screen hole one 26 and the screen hole two 310 at different positions, thereby avoiding that the coal blocks are stuck in the screen hole or block the screen hole.

[0032] The corner mechanism 54 includes a connecting rod one 541, a threaded hole 542 is formed in the connecting rod one 541, the connecting rod one 541 is threadedly connected with the screw rod 52 through the threaded hole 542, the connecting rod one 541 is slidingly connected with the guide rod 53, the lower part of one side of the connecting rod one 541 is hingedly connected with a fourth telescopic piece 543, the upper part of one side of the connecting rod one 541 is hingedly connected with a connecting rod two 544, one end of the connecting rod two 544 away from the connecting rod one 541 is hingedly connected with one end of the fourth telescopic piece 543 away from the connecting rod one 541, the top of the connecting rod two 544 is fixedly connected with the bottom wall of the fifth telescopic piece 55, the fourth telescopic piece 543 works, can drive the connecting rod two 544 to rotate, thereby driving the carrier plate 56 to rotate through the fifth telescopic piece 55, so as to adjust the angle of the carrier plate 56.

[0033] In the device, the telescopic piece is a pneumatic cylinder or a hydraulic cylinder.

[0034] Working mode: first, start the telescopic part two 31, move the sieve plate two 39 left and right to a certain position through the pressing block one 32, then start the telescopic part three 35, move the sieve plate two 39 forward and backward to a certain position through the pressing block two 36, pour the coal block on the connecting plate 11, the larger coal block is blocked by the intercepting plate 16, the worker can use the grappling hook and other tools to take it out from the gap between the baffle two 13 and the baffle three 14, the smaller coal block continues to fall from the space below the intercepting plate 16 to the sieve plate one 25, start the telescopic part one 21, multiple telescopic part one 21 synchronous operation, make the sieve plate one 25 and the sieve plate two 39 vibrate up and down, the coal block meeting the requirements falls into the collecting box 4 through the sieve hole one 26 and the sieve hole two 310, after a period of time or the worker sees that more sieve holes are blocked, stop adding the coal block, start the telescopic part four 543, adjust the angle of the carrier plate 56, start the motor 51 and the telescopic part five 55, the two are used in linkage, clean the sieve holes in different positions, after cleaning, restore the carrier plate 56 to the original position.

[0035] In conclusion, only the preferred embodiments of the present application are described above, and are not intended to limit the scope of the present application, that is, any equivalent changes and modifications made according to the content of the patent application scope of the present application shall belong to the technical scope of the present application.

Claims

1. A coal mine screen cleaning device characterised in that: The utility model provides a kind of screening device, including intercepting component (1), one side of the intercepting component (1) is provided with screening component (2), adjusting component (3) is installed in the screening component (2), collecting box (4) is provided below the adjusting component (3), cleaning component (5) is equipped below the adjusting component (3), the intercepting component (1) includes connecting plate (11), the end of the connecting plate (11) away from screening component (2) is inclined upward, the connecting plate (11) is fixedly connected with baffle one (12) and baffle two (13), the side below baffle two (13) is provided with baffle three (14), baffle three (14) is arc plate, a gap is equipped between baffle three (14) and baffle two (13), the end of baffle three (14) away from baffle two (13) is fixedly connected with baffle four (15), the top of baffle three (14) and baffle one (12) is fixedly connected with intercepting plate (16), the screening component (2) includes telescopic piece one (21), the telescopic piece one (21) is equipped with 4, every two telescopic piece one (21) is a group, the top of telescopic rod in every group telescopic piece one (21) is fixedly connected with a piece of support plate (22), a total of two support plates (22), collecting box (4) is provided at the bottom of support plate (22), the top of every support plate (22) is provided with connecting groove one (23) and connecting groove two (24), connecting groove one (23) is provided above connecting groove two (24), adjusting component (3) is provided in connecting groove one (23), cleaning component (5) is equipped in connecting groove two (24), the inner top wall of connecting groove one (23) is fixedly connected with screen plate one (25), the screen plate one (25) is provided above adjusting component (3), a plurality of screen holes one (26) are formed in the screen plate one (25), the adjusting component (3) includes telescopic piece two (31), the bottom wall of telescopic piece two (31) is fixedly connected with the inner bottom wall of connecting groove one (23), the end of telescopic rod in telescopic piece two (31) is fixedly connected with pressure block one (32), further including telescopic piece three (35), the bottom wall of telescopic piece three (35) is fixedly connected with the inner bottom wall of connecting groove one (23), the end of telescopic rod in telescopic piece three (35) is fixedly connected with pressure block two (36), further including screen plate two (39), the screen plate two (39) is provided below screen plate one (25), the top wall of screen plate two (39) is in contact with the bottom wall of screen plate one (25), a plurality of screen holes two (310) are formed in the screen plate two (39), slot one (33) and slot two (34) are formed in the end of screen plate two (39) close to telescopic piece two (31), slot one (33) and slot two (34) are communicated, the slotting height of slot one (33) is less than the slotting height of slot two (34), pressure block one (32) is provided in slot two (34) and is slidably connected with it, the diameter of pressure block one (32) is greater than the slotting height of slot one (33).The sieve plate two (39) is provided with a notch three (37) and a notch four (38) near one end of the telescopic piece three (35), the notch three (37) and the notch four (38) are communicated, the notch height of the notch three (37) is less than the notch height of the notch four (38), the pressing block two (36) is arranged in the notch four (38) and is in sliding connection with the notch four (38), and the diameter of the pressing block two (36) is greater than the notch height of the notch three (37).

2. A coal mine screen cleaning device according to claim 1, characterised in that: The cleaning assembly (5) comprises a motor (51), the motor (51) is horizontally arranged in the connecting groove two (24) of one of the support plates (22), and the bottom wall of the connecting groove two (24) is fixedly connected with the motor (51), the output shaft of the motor (51) is drivingly connected with a screw rod (52), further comprising a guide rod (53), the guide rod (53) is arranged in the connecting groove two (24) of the other support plate (22), a corner mechanism (54) is arranged on the screw rod (52) and the guide rod (53), respectively, the top of the corner mechanism (54) is fixedly connected with the fifth telescopic piece (55), the top of the telescopic rod in the fifth telescopic piece (55) is fixedly connected with a carrier plate (56), and the top of the carrier plate (56) is fixedly connected with a plurality of connecting columns (57).

3. A coal mine screen cleaning device as claimed in claim 2, characterised in that: The corner mechanism (54) comprises a connecting rod one (541), a threaded hole (542) is formed in the connecting rod one (541), a fourth telescopic piece (543) is hingedly connected to the lower part of one side of the connecting rod one (541), a connecting rod two (544) is hingedly connected to the upper part of one side of the connecting rod one (541), one end of the connecting rod two (544) away from the connecting rod one (541) is hingedly connected to one end of the fourth telescopic piece (543) away from the connecting rod one (541), and the top of the connecting rod two (544) is fixedly connected with the bottom wall of the fifth telescopic piece (55).

4. A coal mine use screen cleaning device according to claim 3, characterized in that: The connecting rod one (541) is threadedly connected with the screw rod (52) through the threaded hole (542), and the connecting rod one (541) is slidingly connected with the guide rod (53).

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