Bulk screening device of belt conveyor for mine field filling

Abstract

The utility model relates to the technical field of engine oil one-way valves, in particular to a large block screening device of a belt conveyor for mine site filling, which comprises a conveyor, a screening device is arranged above the conveyor, the screening device comprises a screening frame, a screen is arranged in the screening frame, and a cleaning rolling brush is arranged at the upper end of the screen. Sliding grooves are formed in the left end and the right end of the screen frame in a penetrating mode, the left end and the right end of the cleaning rolling brush are fixedly connected with rotating shafts in sliding connection with the two sliding grooves correspondingly, the outer walls of the two rotating shafts are movably connected with gears through bearings, and the left side wall and the right side wall of the screen frame are fixedly connected with racks in meshed connection with the two gears correspondingly. And a U-shaped frame is fixedly connected to the outer wall of the gear located at the left end, supports are slidably connected to the left end and the right end of the screen frame through T-shaped sliding grooves correspondingly, a first motor is installed on the left end face of the support located at the left end, and the purposes that the screen can be automatically cleaned, accumulated aggregate can be conveniently dispersed, and use is convenient are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coarse aggregate big piece screening technical field in mine filling, specifically is a big piece screening device for mine site filling with belt conveyor. BACKGROUND

[0002] In the mine filling process, in order to guarantee the quality of underground filling body, coarse aggregate such as gravel needs to be added in the filling process by using a belt conveyor, the main process flow is that coarse aggregate such as sand and gravel is piled in a stockyard, is shovelled to a buffer hopper by a shovel truck, is put into a belt conveyor according to the proportion requirement, is conveyed to a mixing tank by the belt conveyor, is mixed with tailings, cementing material and mixing water to prepare qualified filling slurry, and then is filled into the underground.

[0003] Because the particle size of gravel is different, many big pieces are mixed in the gravel and need to be screened, otherwise it will enter the underground filling pipeline, cause the filling pipeline to be blocked and cause filling production accidents, and the traditional method mainly relies on the on-site sorting of belt workers.

[0004] The existing equipment cannot clean the vibrating screen, coarse aggregate will block the mesh after a period of use, seriously affecting the screening effect and efficiency, manual cleaning is required, which is time-consuming and laborious, and the mesh blockage will cause the material to accumulate, therefore, the big piece screening device for mine site filling with a belt conveyor is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a big piece screening device for mine site filling with a belt conveyor, which can automatically clean the screen and conveniently disperse the accumulated aggregate, and is convenient to use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a big piece screening device for mine site filling with a belt conveyor, which comprises a conveyor, a screening device is arranged above the conveyor, the screening device comprises a screen frame, a screen is arranged in the screen frame, a cleaning roller brush is arranged at the upper end of the screen, sliding grooves are formed in the left and right ends of the screen frame, the left and right ends of the cleaning roller brush are fixedly connected with rotating shafts which are slidably connected with the two sliding grooves, gears are movably connected with the outer walls of the two rotating shafts through bearings, the left and right side walls of the screen frame are fixedly connected with racks which are meshingly connected with the two gears, a U-shaped frame is fixedly connected with the outer wall of the gear at the left end, supports are slidably connected with the left and right ends of the screen frame through T-shaped sliding grooves, a first motor is installed on the left end face of the support at the left end, the output end of the first motor penetrates the support and is fixedly connected with the U-shaped frame, a second motor is installed on the right end face of the support at the right end, and the output end of the second motor penetrates the support and is fixedly connected with the rotating shaft at the right end.

[0007] In order to facilitate the preliminary dispersion work when the aggregate falls into the inside of the screen frame, as a kind of mine site filling belt conveyor large screening device of the utility model, the outer wall of the screen frame is fixedly connected with two symmetrical auxiliary plates, the lower end surface of the two auxiliary plates is fixedly connected with a plurality of uniformly distributed elastic expansion bars, the lower end surface of the plurality of elastic expansion bars is fixedly connected with a chassis, and the rear end of the screen frame is provided with a vibration excitation motor.

[0008] In order to facilitate the preliminary dispersion work when the aggregate falls into the inside of the screen frame, as a kind of mine site filling belt conveyor large screening device of the utility model, the outer wall of the screen frame is fixedly connected with two symmetrical auxiliary plates, the lower end surface of the two auxiliary plates is fixedly connected with a plurality of uniformly distributed elastic expansion bars, the lower end surface of the plurality of elastic expansion bars is fixedly connected with a chassis, and the rear end of the screen frame is provided with a vibration excitation motor.

[0009] In order to facilitate the preliminary dispersion work when the aggregate falls into the inside of the screen frame, as a kind of mine site filling belt conveyor large screening device of the utility model, the outer wall of the screen frame is fixedly connected with two symmetrical auxiliary plates, the lower end surface of the two auxiliary plates is fixedly connected with a plurality of uniformly distributed elastic expansion bars, the lower end surface of the plurality of elastic expansion bars is fixedly connected with a chassis, and the rear end of the screen frame is provided with a vibration excitation motor.

[0010] In order to facilitate the preliminary dispersion work when the aggregate falls into the inside of the screen frame, as a kind of mine site filling belt conveyor large screening device of the utility model, the outer wall of the screen frame is fixedly connected with two symmetrical auxiliary plates, the lower end surface of the two auxiliary plates is fixedly connected with a plurality of uniformly distributed elastic expansion bars, the lower end surface of the plurality of elastic expansion bars is fixedly connected with a chassis, and the rear end of the screen frame is provided with a vibration excitation motor.

[0011] In order to facilitate the preliminary dispersion work when the aggregate falls into the inside of the screen frame, as a kind of mine site filling belt conveyor large screening device of the utility model, the outer wall of the screen frame is fixedly connected with two symmetrical auxiliary plates, the lower end surface of the two auxiliary plates is fixedly connected with a plurality of uniformly distributed elastic expansion bars, the lower end surface of the plurality of elastic expansion bars is fixedly connected with a chassis, and the rear end of the screen frame is provided with a vibration excitation motor.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] The utility model discloses, through the second motor drive and the rotation of the shaft connected with it, thereby drive cleaning roller brush rotation, simultaneously start the first motor drive and the rotation of the U type frame, gear connected with it, make gear rotation on the rack upper end of meshing when, thereby can make two gear respectively on the upper end of two rack rotation while moving, at this moment, through the cleaning roller brush can conveniently the aggregate of the upper end of the screen mesh block and accumulation is dispersed quickly and the gravel of the screen hole is cleaned, reach can automatically clean the screen mesh and convenient to the aggregate of the accumulation is dispersed, convenient to use the purpose. ACCURACY OF DRAWINGS

[0014] Fig. 1 It is the overall structural drawing of the utility model;

[0015] Fig. 2 It is the cleaning roller brush structure diagram of the utility model;

[0016] Fig. 3 The partial structure diagram of the utility model.

[0017] In the figure: 1, conveyor; 2, underframe; 3, screen frame; 4, elastic telescopic link; 5, screen; 6, cleaning roller brush; 7, rotating shaft; 8, gear; 9, U-shaped frame; 10, first motor; 11, support; 12, second motor; 13, sliding slot; 14, rack; 15, exciting motor; 16, mounting plate; 17, fixed plate; 18, buffer bin; 19, discharge hopper; 20, material collecting tank; 21, auxiliary plate. DETAILED DESCRIPTION

[0018] Please refer to Figs. 1 to 3 A kind of mine site filling is used belt conveyor large piece screening device, including conveyor 1, the upper portion of conveyor 1 is provided with screening device, screening device includes screen frame 3, the inside of screen frame 3 is provided with screen 5, the upper end of screen 5 is provided with cleaning roller brush 6, the left and right ends of screen frame 3 are both penetrated and are provided with sliding slot 13, the left and right ends of cleaning roller brush 6 are fixedly connected with rotating shaft 7 respectively, two rotating shafts 7 are both movably connected with gear 8 on the outer wall, the left and right side walls of screen frame 3 are fixedly connected with rack 14 respectively, two gear 8 meshing connection, the outer wall of left end gear 8 is fixedly connected with U-shaped frame 9, the left and right ends of screen frame 3 are both slidably connected with support 11 by T-shaped sliding slot, the left end surface of left end support 11 is installed with first motor 10, the output end of first motor 10 penetrates support 11 and is fixedly connected with U-shaped frame 9, the right end surface of right end support 11 is installed with second motor 12, the output end of second motor 12 penetrates support 11 and is fixedly connected with right end rotating shaft 7.

[0019] In the embodiment: when the screen 5 in the inside of screen frame 3 appears the phenomenon of accumulation or plugging, start second motor 12 and drive the rotating shaft 7 connected with it to rotate, to drive cleaning roller brush 6 to rotate (right view direction's clockwise rotation), simultaneously, start first motor 10 and drive the U-shaped frame 9, gear 8 connected with it to rotate, when gear 8 rotates, on the rack 14 upper end moving with it meshing, to make two gear 8 respectively on two rack 14 upper end rotating while moving, at this time, by cleaning roller brush 6, the aggregate of the clogging and accumulation on the upper end of screen 5 can be quickly dispersed and the broken stone of screen hole is cleaned, while cleaning, the aggregate less than the screen hole of screen 5 falls to the inside of conveyor 1, and the aggregate of larger particles falls to the inside of material collecting tank 20 through screen 5.

[0020] As a kind of technical optimization scheme of the utility model, the outer wall of screen frame 3 is fixedly connected with two symmetrical distribution auxiliary plates 21, the lower end surface of two auxiliary plates 21 is fixedly connected with multiple distribution uniform elastic telescopic link 4, the lower end surface of multiple elastic telescopic link 4 is fixedly connected with underframe 2, the rear end of screen frame 3 is installed with exciting motor 15.

[0021] In the embodiment, the vibrating motor 15 can conveniently drive the screen frame 3 to vibrate, so that the aggregate can be conveniently dispersed when falling into the screen frame 3.

[0022] As a technical optimization scheme of the utility model, the right end of the conveyor 1 is fixedly connected with a fixed plate 17, the upper end surface of the fixed plate 17 is fixedly connected with a mounting plate 16 through a plurality of supporting rods, the upper end surface of the mounting plate 16 penetrates and is fixedly connected with a buffer bin 18, and the lower end of the buffer bin 18 is communicated with a lower hopper 19 extending above the screen frame 3.

[0023] In the embodiment, the aggregate to be screened can be buffered through the buffer bin 18, and the aggregate can be conveniently conveyed into the screen frame 3 through the lower hopper 19.

[0024] As a technical optimization scheme of the utility model, the front end of the screen frame 3 is fixedly connected with a material collecting groove 20 flush with the front end of the screen mesh 5.

[0025] In the embodiment, the large-sized gravel can be conveniently collected through the material collecting groove 20.

[0026] As a technical optimization scheme of the utility model, the outer wall of the cleaning roller brush 6 is abutted against the upper end of the screen mesh 5.

[0027] In the embodiment, the upper end of the screen mesh 5 can be conveniently cleaned through the abutment of the outer wall of the cleaning roller brush 6 against the upper end of the screen mesh 5.

[0028] As a technical optimization scheme of the utility model, the conveyor 1 is located in the inside of the chassis 2.

[0029] In the embodiment, the conveyor 1 is located in the inside of the chassis 2, so that the aggregate screened through the screen mesh 5 can be conveniently conveyed.

[0030] Working principle: in use, the aggregate to be screened can be buffered through the buffer bin 18, the aggregate can be conveniently conveyed into the screen frame 3 through the lower hopper 19, and the screen frame 3 can be conveniently driven to vibrate through the vibrating motor 15, so that the aggregate can be conveniently dispersed when falling into the screen frame 3.

[0031] When the screen 5 inside the screen frame 3 is blocked or clogged, first, the second motor 12 is started to drive the rotating shaft 7 connected therewith to rotate, thereby driving the cleaning roller brush 6 to rotate (clockwise rotation in the right view direction), and the first motor 10 is started to drive the U-shaped frame 9 and the gear 8 connected therewith to rotate, and when the gear 8 rotates, it moves on the upper end of the rack 14 engaged therewith, thereby enabling the two gears 8 to rotate and move at the upper end of the two racks 14 at the same time, at this time, the clogged and accumulated aggregate on the upper end of the screen 5 can be quickly dispersed by the cleaning roller brush 6 and the aggregate on the screen hole is cleaned, and at the same time, the aggregate smaller than the screen hole of the screen 5 falls into the inside of the conveyor 1, and the aggregate with larger particles slides through the screen 5 to the inside of the aggregate collecting tank 20.

[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for removing large pieces from a belt conveyor for mine site filling, comprising a conveyor (1), characterised in that: The upper part of the conveyor (1) is provided with a screening device, the screening device comprises a screen frame (3), the inside of the screen frame (3) is provided with a screen (5), the upper end of the screen (5) is provided with a cleaning roller brush (6), the left and right ends of the screen frame (3) are both provided with a sliding groove (13), the left and right ends of the cleaning roller brush (6) are fixedly connected with rotating shafts (7) which are respectively connected with the two sliding grooves (13) in a sliding manner, the outer walls of the two rotating shafts (7) are both movably connected with gears (8) through bearings, the left and right side walls of the screen frame (3) are fixedly connected with racks (14) which are respectively connected with the two gears (8) in a meshing manner, the outer wall of the gear (8) located at the left end is fixedly connected with a U-shaped frame (9), the left and right ends of the screen frame (3) are both connected with supports (11) through T-shaped sliding grooves, the left end face of the support (11) located at the left end is provided with a first motor (10), the output end of the first motor (10) penetrates the support (11) and is fixedly connected with the U-shaped frame (9), the right end face of the support (11) located at the right end is provided with a second motor (12), the output end of the second motor (12) penetrates the support (11) and is fixedly connected with the rotating shaft (7) located at the right end.

2. A bulk screen removal device for a belt conveyor for use in a mine site fill according to claim 1, characterised in that: The outer wall of the screen frame (3) is fixedly connected with two symmetrically distributed auxiliary plates (21), the lower end faces of the two auxiliary plates (21) are both fixedly connected with a plurality of uniformly distributed elastic telescopic rods (4), the lower end faces of the plurality of elastic telescopic rods (4) are fixedly connected with a base frame (2), and the rear end of the screen frame (3) is provided with a vibration exciting motor (15).

3. A bulk screen removal device for a belt conveyor for use in a mine site fill according to claim 1, characterised in that: The right end of the conveyor (1) is fixedly connected with a fixed plate (17), the upper end face of the fixed plate (17) is fixedly connected with a mounting plate (16) through a plurality of supporting rods, the upper end face of the mounting plate (16) penetrates and is fixedly connected with a buffer bin (18), and the lower end of the buffer bin (18) is connected with a lower hopper (19) extending above the screen frame (3).

4. A bulk screen removal device for a belt conveyor for use in a mine site fill according to claim 1, characterised in that: The front end of the screen frame (3) is fixedly connected with a material collecting groove (20) flush with the front end of the screen (5).

5. A bulk screen removal device for a belt conveyor for use in a mine site fill according to claim 1, characterised in that: The outer wall of the bristles of the cleaning roller brush (6) abuts against the upper end of the screen (5).

6. A bulk screen removal device for a belt conveyor for use in a mine site fill according to claim 2, characterised in that: The conveyor (1) is located in the inside of the base frame (2).

Images