Crushing equipment for coal mining

Abstract

The utility model discloses crushing equipment for coal mining, and particularly relates to the technical field of coal mining, the crushing equipment comprises a second crushing box, and a conveying belt is arranged above a feed port of the second crushing box. By arranging the second crushing box, the crushing roller and the driving mechanism, coal mine materials can be continuously ground and crushed, so that the large coal mine materials can be crushed into smaller materials and fall between the two baffles below, and the coal mine materials can be uniformly crushed under the circulating rotation of the multiple groups of baffles. The crushed coal mine collected between the two baffles can be intermittently poured into the first crushing box, so that material blockage is effectively prevented, and the crushing effect is guaranteed; and then under the cooperation of a rotating roller and a crushing hammer, the crushing hammer can hit the coal mine falling into the first crushing box so as to further crush the coal mine into fragments, then the coal mine can be quickly and effectively crushed and processed, operation is convenient and efficient, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, and particularly relates to a coal mining crushing device. BACKGROUND

[0002] Coal mine is the reasonable space that human excavates when digging the geological layer rich in coal, and generally includes roadway, shaft and mining face etc. Coal is the most important solid fuel and is a kind of combustible organic rock. It is the thick layer that the flourishing plant of certain geological age grows, is gradually piled up in the suitable geological environment, and is buried in the water bottom or silt, and is formed through the long geological age natural coalification.

[0003] At present, in the process of coal mining, because the mined coal is often large, in order to facilitate transportation and reduce subsequent processes, it is usually necessary to carry out crushing treatment, and the existing crushing equipment has a single function, which is often directly broken and discharged, the crushing effect is poor, and the coal mine is also easy to accumulate and block, and the actual use effect is not good. UTILITARIAN CONTENT

[0004] The utility model discloses a kind of coal mining crushing equipment, by being provided with second crushing box, crushing roller and driving mechanism, coal mine material can be continuously rolled and crushed, so that large coal mine material can be changed into smaller material and fall between the two baffles below, and under the circulation rotation of multiple baffles, crushed coal collected between the two baffles can be intermittently poured into first crushing box, so as to effectively prevent material congestion, ensure crushing effect;After the cooperation of rotating roller and crushing hammer, the crushing hammer can hit coal mine falling in first crushing box, to further break coal into pieces, and then coal can be quickly and effectively crushed, convenient and efficient operation, better use effect, to solve the above deficiencies in technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of coal mining crushing equipment, comprising:

[0006] Second crushing box, the feeding inlet of the second crushing box is provided with a conveying belt above;And the inside of second crushing box is connected with two crushing rollers by pivot symmetry, and driving mechanism is provided between the two crushing rollers;

[0007] First crushing box, the feeding inlet of the first crushing box is connected with the discharge outlet of second crushing box, and rotating roller is rotatably connected in the middle of the inside of first crushing box by bearing, the outer wall of the rotating roller is provided with a plurality of crushing hammers, and one end of the rotating roller extends to the outside of first crushing box and is connected with third motor;

[0008] A connecting shaft is rotatably connected in the second crushing box near the lower side of the crushing roller through a bearing, and a plurality of baffles are arranged in an annular array on the outer side of the connecting shaft, one end of the connecting shaft extends out of the second crushing box and is connected with a second motor.

[0009] Preferably, the driving mechanism comprises a first motor fixed on one side of the second crushing box, the output end of the first motor is connected with one of the crushing rollers, and the output shafts of the two crushing rollers both extend out of the second crushing box and are connected with gears, and the two gears are meshed with each other.

[0010] Preferably, two arc-shaped blocking rings are symmetrically arranged at the bottom discharge port of the first crushing box.

[0011] Preferably, four supporting legs are fixed at the bottom of the first crushing box.

[0012] Preferably, a fixed frame is arranged at the feed inlet of the second crushing box, a cylinder is fixed at the top end of the fixed frame, the output end of the cylinder extends into the fixed frame and is provided with a connecting plate, and a plurality of crushing rods are arranged at the bottom side of the connecting plate.

[0013] Preferably, sliding blocks are symmetrically fixed at the two ends of the connecting plate, and sliding grooves matched with the sliding blocks are formed in the inner side of the fixed frame.

[0014] In the above technical solution, the technical effects and advantages of the utility model are as follows:

[0015] By arranging the second crushing box, the crushing roller and the driving mechanism, the coal mine materials can be continuously crushed, so that the large coal mine materials can be crushed into smaller materials and fall between the two baffles below, and under the circulation rotation of the multiple baffles, the crushed coal collected between the two baffles can be intermittently poured into the first crushing box, thereby effectively preventing material congestion and ensuring the crushing effect.

[0016] Then, under the cooperation of the rotating roller and the crushing hammer, the crushing hammer can hit the coal falling into the first crushing box, so as to further crush the coal into pieces, thereby quickly and effectively crushing the coal, which is convenient and efficient to operate and has good use effect.

[0017] By arranging the fixed frame, the cylinder, the connecting plate and the crushing rods on the second crushing box, the connecting plate can drive the multiple crushing rods to lift, and then the crushing rods can hammer the coal accumulated between the two crushing rollers, thereby greatly accelerating the crushing efficiency of the crushing roller on the coal, and avoiding that the large coal is accumulated and stays above the crushing roller, thereby greatly improving the use effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0019] Figure 1 It is one of the overall structure schematic views of the present application.

[0020] Figure 2 It is the second overall structure schematic view of the present application.

[0021] Figure 3 It is one of the internal structure schematic views of the first crushing box and the second crushing box of the present application.

[0022] Figure 4 It is the second internal structure schematic view of the first crushing box and the second crushing box of the present application.

[0023] Explanation of reference signs:

[0024] 1, first crushing box; 2, second crushing box; 3, conveying belt; 4, fixing frame; 5, air cylinder; 6, connecting plate; 7, crushing rod; 8, sliding block; 9, sliding groove; 10, crushing roller; 11, gear; 12, first motor; 13, second motor; 14, connecting shaft; 15, baffle; 16, third motor; 17, rotating roller; 18, crushing hammer; 19, arc-shaped baffle ring. DETAILED DESCRIPTION

[0025] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail with reference to the accompanying drawings.

[0026] The present application provides a coal mining crushing equipment as shown in Figures 1-4 The present application provides a coal mining crushing equipment as shown in

[0027] The second crushing box 2 is provided with a conveying belt 3 above the feeding port of the second crushing box 2; and the inside of the second crushing box 2 is symmetrically connected with two crushing rollers 10 through a rotating shaft, and a driving mechanism is arranged between the two crushing rollers 10.

[0028] The driving mechanism comprises a first motor 12 fixed on one side of the second crushing box 2, the output end of the first motor 12 is connected with one of the crushing rollers 10, and the output shafts of the two crushing rollers 10 are both extended to the outside of the second crushing box 2 and connected with gears 11, and the two gears 11 are meshed with each other.

[0029] The bottom discharging port of the first crushing box 1 is symmetrically provided with two arc-shaped baffle rings 19. The falling path of the coal mine material can be prolonged through the arc-shaped baffle rings 19.

[0030] The first crushing box 1 is fixed with a supporting leg at each of the four bottom ends. The first crushing box 1 can be supported and fixed through the supporting legs.

[0031] The feeding port of the second crushing box 2 is provided with a fixing frame 4, the top end of the fixing frame 4 is fixed with a pneumatic cylinder 5, the output end of the pneumatic cylinder 5 extends into the fixing frame 4 and is provided with a connecting plate 6, and the bottom side of the connecting plate 6 is provided with a plurality of crushing rods 7.

[0032] The two ends of the connecting plate 6 are symmetrically fixed with sliding blocks 8, and the inner side of the fixing frame 4 is provided with sliding grooves 9 matched with the sliding blocks 8. Therefore, the connecting plate 6 can be further supported and limited through the sliding blocks 8 and the sliding grooves 9, so as to greatly ensure the stability of the connecting plate 6 during lifting.

[0033] The connecting plate 6 can be driven to move in the fixing frame 4 by the pneumatic cylinder 5, so that the connecting plate 6 drives the plurality of crushing rods 7 to lift, and then the crushing rods 7 can hammer the coal mines accumulated between the two crushing rollers 10, thereby greatly improving the crushing efficiency of the crushing rollers 10 on the coal mines, and avoiding that large coal mines are accumulated and stay above the crushing rollers 10, and greatly improving the use effect of the device.

[0034] The first crushing box 1 is connected with the discharging port of the second crushing box 2, and a rotating roller 17 is rotatably connected in the middle of the inside of the first crushing box 1 through a bearing, the outer wall of the rotating roller 17 is provided with a plurality of crushing hammers 18, and one end of the rotating roller 17 extends out of the first crushing box 1 and is connected with a third motor 16.

[0035] The connecting shaft 14 is rotatably connected below the crushing rollers 10 in the second crushing box 2 through a bearing, a plurality of baffles 15 are arranged in an annular array on the outer side of the connecting shaft 14, and one end of the connecting shaft 14 extends out of the second crushing box 2 and is connected with a second motor 13.

[0036] In use, the material can be continuously fed into the first crushing box 1 through the conveying belt 3, the first motor 12 is started, and the two crushing rollers 10 can be simultaneously rotated inward under the meshing transmission of the two gears 11, so that the coal mine material falling between them can be crushed by rolling, and then the large coal mine material is crushed into smaller material and falls between the two baffles 15 below, the connecting shaft 14 is driven to rotate by the second motor 13, so that the connecting shaft 14 drives the baffles 15 to rotate, and under the circulation of the plurality of baffles 15, the crushed coal collected between the two baffles 15 can be intermittently poured into the first crushing box 1, which can effectively prevent material congestion and ensure the crushing effect.

[0037] Then the third motor 16 can drive the rotating roller 17 to rotate, the rotating roller 17 drives the crushing hammer 18 to rotate counterclockwise in the first crushing box 1, and the rotating crushing hammer 18 can hit the falling coal mine, so that the coal mine is further crushed into pieces, and the coal mine can be quickly and effectively crushed, the operation is convenient and efficient, and the use effect is better.

[0038] The above only describes some exemplary embodiments of the utility model in a manner of illustration, without doubt, for ordinary skilled in the art, under the condition that deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A coal mining breaking apparatus, characterised in that, Comprise; Second broken box (2), the feeding port of second broken box (2) is provided with conveying belt (3); and the inside of second broken box (2) is connected with two crushing rollers (10) by rotating shaft symmetry, two crushing rollers (10) are provided with driving mechanism; First broken box (1), the feeding port of first broken box (1) is connected with the discharge port of second broken box (2), and the inside of first broken box (1) is rotatably connected with rotating roller (17) through bearing, the outer wall of rotating roller (17) is provided with a plurality of crushing hammers (18), and one end of rotating roller (17) extends to the outside of first broken box (1) and is connected with third motor (16); Connecting shaft (14), the connecting shaft (14) is rotatably connected in the lower side of crushing roller (10) in second broken box (2) through bearing, and the outer side of connecting shaft (14) is provided with a plurality of baffles (15) in annular array, one end of connecting shaft (14) extends to the outside of second broken box (2) and is connected with second motor (13).

2. A coal mining breaking apparatus as claimed in claim 1, wherein: The driving mechanism comprises first motor (12) fixed on one side of second broken box (2), the output end of first motor (12) is connected with one of crushing roller (10), and the output shaft of two crushing rollers (10) extends to the outside of second broken box (2) and is connected with gear (11), two gears (11) are engaged with each other.

3. The coal mining breaking apparatus according to claim 1, characterized in that: The bottom discharge port of first broken box (1) is provided with two arc-shaped retaining rings (19) symmetrically.

4. The coal mining breaking apparatus according to claim 1, characterized in that: The bottom of first broken box (1) is fixed with supporting legs at four ends.

5. The coal mining breaking apparatus according to claim 1, characterized in that: The feeding port of second broken box (2) is provided with fixing frame (4), the top end of fixing frame (4) is fixed with air cylinder (5), the output end of air cylinder (5) extends into fixing frame (4) and is provided with connecting plate (6), the bottom side of connecting plate (6) is provided with a plurality of crushing rods (7).

6. A coal mining breaking apparatus as claimed in claim 5, wherein: The both ends of connecting plate (6) are symmetrically fixed with sliding block (8), the inner side of fixing frame (4) is provided with sliding groove (9) matched with sliding block (8).

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