Mining machinery stone crushing device with screening function for coal mine

Abstract

The utility model relates to the technical field of coal mine tools, and discloses a stone crushing device for mining machinery with a screening function for a coal mine. And the stone crushing mechanism is arranged at the upper end of the conveying mechanism, the conveying mechanism comprises a conveying box, a conveying mechanism is arranged at the top of the conveying box, and a screening mechanism is arranged above the conveying box. According to the material screening mechanism matched with the stone crushing mechanism for the mine, the material screening mechanism comprises the screen mechanism which is obliquely arranged, screened broken stones can be screened, small broken stones are discharged through the opening in the bottom of the screening groove and collected through the corresponding first collecting box, and large broken stones cannot pass through the screen, so that the broken stones cannot pass through the screening groove; and the crushed stones are discharged from an opening in the bottom of the discharging guide pipe through the discharging groove in one end of the screening box and collected through the corresponding second collecting box, large-size screening of the crushed stones is achieved, concentrated large-size screening does not need to be conducted on the collected crushed stones, and great convenience is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine tools, in particular to a coal mine has the screening function's mine machinery with stone crushing device. BACKGROUND

[0002] Mine machinery is the machinery directly used for mineral exploitation and other operations. It includes mining machinery and ore dressing machinery. Broadly speaking, prospecting machinery also belongs to mine machinery. In addition, a large number of hoists, conveyors, ventilators and drainage machinery are also used in mine operations. At present, the mine machinery tools in coal mine include stone crushing device.

[0003] The existing coal mine stone crushing device still has the following problems when in use: its crushing mechanism is usually arranged on the top of the coal mine stone block, and the crushed stone directly falls after the crushing mechanism crushes the coal mine stone block, at which time the falling crushed stone can be collected through the collecting mechanism, but the collected crushed stone needs to be concentrated for size screening again, which is extremely inconvenient due to the uneven size of the crushed stone. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a coal mine has the screening function's mine machinery with stone crushing device, which solves the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a coal mine has the screening function's mine machinery with stone crushing device, which includes a conveying mechanism; a stone crushing mechanism is arranged on the upper end of the conveying mechanism, the conveying mechanism includes a conveying box, the conveying box is provided with a conveying mechanism on the top, a screening mechanism is arranged above the conveying box, the screening mechanism includes a support frame fixedly connected to the middle part of the front and rear ends of the conveying box, two support frames are fixedly installed with a screening box between the opposite sides of the upper side walls, screening grooves are formed between the upper and lower side walls of the screening box, a discharge groove is formed at one end of the screening groove, a fixed frame is fixedly connected to the inner wall of the screening groove and located at the discharge groove, and a screen is fixedly installed in the fixed frame.

[0006] As a further scheme of the utility model: a base is fixedly connected to each of the four corners of the bottom of the conveying box, the bottom of the discharge groove is arranged in an inclined manner, and a discharge pipe is fixedly installed on the outer side wall of one end of the screening box and located at the opening of the discharge groove.

[0007] As a further scheme of the utility model: the stone crushing mechanism is fixedly installed at the top end of the screening box, the stone crushing mechanism includes a crushing box fixedly connected to the top end of the screening box, a crushing groove is formed between the upper and lower sidewalls of the crushing box and corresponds to the lower screening groove, an L-shaped frame is fixedly connected to the other end of the top wall of the crushing box, a driving motor is fixedly installed at one end of the L-shaped frame, a crushing roller is fixedly connected to the driving end of the bottom of the driving motor, the crushing roller is located in the crushing groove, and a plurality of crushing arms are fixedly connected to the ring-shaped outer wall of the crushing roller at equal angles.

[0008] As a further scheme of the utility model: the transmission mechanism includes a second transmission belt arranged at one end of the transmission box, and the transmission mechanism further includes a first transmission belt arranged at the other end of the transmission box, a plurality of second collecting boxes are equidistantly arranged on the top of the second transmission belt, and a plurality of first collecting boxes are equidistantly arranged on the top of the first transmission belt.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、The material screening mechanism arranged in cooperation with the stone crushing mechanism for mines, which includes an obliquely arranged screen mechanism, can screen the crushed stones, smaller crushed stones are discharged through the bottom opening of the screening groove and collected through the corresponding first collecting box, larger crushed stones cannot pass through the screen and are discharged through the bottom opening of the discharge conduit of the discharge groove at one end of the screening box and collected through the corresponding second collecting box, the size of the crushed stones is screened, and the collected crushed stones do not need to be concentrated and size-screened again, which is extremely convenient.

[0011] 2、The transmission mechanism is arranged at the bottom of the overall stone crushing device, two groups of independent transmission belt structures are arranged at the top of the transmission mechanism, one side transmission belt structure can transmit the second collecting box, and the other side transmission belt structure can transmit the first collecting box, and the classified transmission of the screened crushed stones can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the overall perspective view of the utility model;

[0013] Fig. 2 It is the perspective view of the transmission mechanism of the utility model;

[0014] Fig. 3 It is the perspective view of the screening mechanism of the utility model;

[0015] Fig. 4 It is the perspective view of the stone crushing mechanism of the utility model.

[0016] In the figure: 1, transport mechanism; 2, screening mechanism; 3, stone crushing mechanism; 11, transmission box; 12, base; 13, second transmission belt; 14, second collection box; 15, first transmission belt; 16, first collection box; 21, support frame; 22, screening box; 23, discharge chute; 24, fixed frame; 25, screen; 26, discharge conduit; 31, crushing box; 32, crushing groove; 33, L-shaped frame; 34, driving motor; 35, crushing roller; 36, crushing arm. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0018] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] Please refer to Figs. 1-4The utility model discloses an embodiment of a kind of mine machinery with rock breaking device with screening function for coal mine, including transport mechanism 1;Rock breaking mechanism 3 is set to transport mechanism 1 upper end, transport mechanism 1 includes a transmission box 11, transmission box 11 top is provided with transmission mechanism, transmission box 11 top is provided with screening mechanism 2, screening mechanism 2 includes the support frame 21 of fixed connection in the middle of two ends of transmission box 11 before and after, two support frames 21 top are fixedly installed with screening box 22 between the sidewall of opposite side, screening groove is opened between the sidewall of screening box 22 upper and lower sides, screening groove one end is provided with discharge groove 23, fixed frame 24 is fixedly connected with the inner wall of screening groove and located at discharge groove 23 and is inclined, fixed frame 24 is fixedly installed with screen 25 in inclination, cooperate the material screening mechanism 2 of rock breaking mechanism 3 setting, its material screening mechanism 2 includes a screen 25 mechanism of inclined setting, can carry out screening to the broken stone after screening, smaller broken stone is discharged via screening groove bottom opening, and is collected via corresponding first collection box 16, larger broken stone cannot pass through screen 25, and is discharged via the discharge conduit 26 bottom opening of discharge groove 23 of screening box 22 one end, and is collected via corresponding second collection box 14, realize the size screening of broken stone, without again carrying out centralized size screening to the broken stone after collection, it is extremely convenient.

[0021] Transmission box 11 bottom four corners are each fixedly connected with a base 12, and the overall device can be supported and placed by four bases 12, discharge groove 23 bottom is obliquely arranged, discharge conduit 26 is fixedly installed on the outer sidewall of screening box 22 one end and located at the opening of discharge groove 23, and the discharge conduit 26 can guide and transport stone block.

[0022] Rock breaking mechanism 3 is fixedly installed on the top of screening box 22, and rock breaking mechanism 3 includes a crushing box 31 fixedly connected to the top of screening box 22, a crushing groove 32 is formed between the upper and lower sidewalls of crushing box 31 and corresponds to the lower screening groove, an L-shaped bracket 33 is fixedly connected to the other end of the top wall of crushing box 31, a drive motor 34 is fixedly installed on one end of L-shaped bracket 33, a crushing roller 35 is fixedly connected to the bottom drive end of drive motor 34, the crushing roller 35 is located in the crushing groove 32, and a plurality of crushing arms 36 are fixedly connected to the annular outer wall of the crushing roller 35 at equal angles, the coal mine stone to be broken can be put into the crushing groove 32 on the top of the crushing box 31, at this time, the drive motor 34 can drive the crushing arms 36 on the outer side of the crushing roller 35 to rotate at high speed, and the stone block is broken.

[0023] The transmission mechanism comprises a second transmission belt 13 arranged at one end of the transmission box 11, and a first transmission belt 15 arranged at the other end of the transmission box 11, a plurality of second collecting boxes 14 are equidistantly arranged on the top of the second transmission belt 13, a plurality of first collecting boxes 16 are equidistantly arranged on the top of the first transmission belt 15, and the whole rock breaking device is provided with the transmission mechanism at the bottom, the transmission mechanism is provided with two groups of independent transmission belt structures at the top, one side of the transmission belt structure can transmit the second collecting boxes 14, and the other side of the transmission belt structure can transmit the first collecting boxes 16, so that the classified transmission of the screened rocks can be realized.

[0024] The working principle of the utility model is: the coal ore block to be broken can be put into the breaking groove 32 opening at the top of the breaking box 31, the driving motor 34 can drive the breaking arm 36 outside the breaking roller 35 to rotate at high speed to break the ore block, the whole rock breaking device is matched with the material screening mechanism 2 arranged in the mine rock breaking mechanism 3, the material screening mechanism 2 comprises an obliquely arranged screen 25 mechanism, the screened rocks can be screened, the smaller rocks are discharged from the bottom opening of the screening groove and collected in the corresponding first collecting box 16, the larger rocks cannot pass through the screen 25 and are discharged from the discharge groove 23 at one end of the screening box 22 and collected in the corresponding second collecting box 14 through the bottom opening of the discharge pipe 26, the size screening of the rocks is realized, the collected rocks do not need to be screened again, which is very convenient, in addition, the whole rock breaking device is provided with the transmission mechanism at the bottom, the transmission mechanism is provided with two groups of independent transmission belt structures at the top, one side of the transmission belt structure can transmit the second collecting boxes 14, and the other side of the transmission belt structure can transmit the first collecting boxes 16, so that the classified transmission of the screened rocks can be realized.

[0025] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A coal mine with screening function mine machinery with stone crushing device, including transport mechanism (1); stone crushing mechanism (3), set up in the transport mechanism (1) upper end; characterized in that The transport mechanism (1) includes a transmission box (11), the transmission box (11) top is provided with transmission mechanism, the transmission box (11) top is provided with screening mechanism (2); The screening mechanism (2) includes fixedly connected with the support frame (21) of transmission box (11) front and back two ends middle part, two The support frame (21) top opposite side wall between fixed mounting has screening box (22); The screening box (22) upper and lower sidewall between opening has screening slot, the screening slot one end opening has discharge slot (23), the screening slot inner wall and located at discharge slot (23) Inclined fixedly connected with fixed frame (24), fixed frame (24) inner inclined fixed mounting has screen (25); The stone crushing mechanism (3) is fixedly installed on the top of the screening box (22).

2. The rock crushing device for mine machinery with screening function for coal mine according to claim 1, characterized in that: The bottom of the transmission box (11) four corners is fixedly connected with a base (12).

3. The rock crushing device for mine machinery with screening function for coal mine according to claim 1, characterized in that: The transmission mechanism includes a second transmission belt (13) arranged at one end of the transmission box (11), and the transmission mechanism further includes a first transmission belt (15) arranged at the other end of the transmission box (11).

4. The rock crushing device for mine machinery with a screening function for coal mine according to claim 3, characterized in that: The second transmission belt (13) top equidistantly placed with a plurality of second collection box (14), the first transmission belt (15) top equidistantly placed with a plurality of first collection box (16).

5. The rock crushing device for mining machines with a screening function for coal mines according to claim 1, characterized in that: The bottom of the discharge slot (23) is inclined, and the discharge conduit (26) is fixedly installed on the outer wall of the screening box (22) at one end and located at the opening of the discharge slot (23).

6. The rock fragmentation device for mining machinery with a screening function for coal mines according to claim 1, characterized in that: The stone crushing mechanism (3) includes a crushing box (31) fixedly connected to the top of the screening box (22), and the crushing box (31) is provided with a crushing groove (32) between the upper and lower sidewalls and corresponding to the lower screening slot.

7. The rock fragmentation device for mining machinery with a screening function for coal mines according to claim 6, characterized in that: The L-shaped bracket (33) is fixedly connected to the other end of the top wall of the crushing box (31), the drive motor (34) is fixedly installed on one end of the L-shaped bracket (33), the drive motor (34) is fixedly connected with the drive end at the bottom of the drive motor (34) The crushing roller (35) is located in the crushing groove (32), and a plurality of crushing arms (36) are fixedly connected to the annular outer wall of the crushing roller (35) at equal angles.

Images