CN214289337U

CN214289337U - Efficient desliming device for coal dressing

Info

Publication number: CN214289337U
Application number: CN202120029910.8U
Authority: CN
Inventors: 舒高升
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-28
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to the technical field of coal mining, in particular to a high-efficiency desliming device for coal dressing, which comprises a base, a bracket and a feed hopper, wherein the base is fixedly connected with the bracket, the left side of the top end of the base is fixedly connected with a first motor, the tail end of a main shaft of the first motor is fixedly connected with an incomplete gear, the outer side of the incomplete gear is engaged and connected with a first gear, and the first gear is fixedly connected with a guide rod through a rotating shaft, the motor is prevented from always keeping high rotation, and the service life of the motor is greatly prolonged.

Description

Efficient desliming device for coal dressing

Technical Field

The utility model relates to a coal mining technology field specifically is a coal dressing is with high-efficient desliming device.

Background

Coal dressing is also called coal washing, which is a process for separating clean coal meeting the quality requirements of users from raw coal by utilizing a mechanical processing method or a chemical treatment method to remove harmful impurities in the raw coal, recover associated minerals and improve the quality of the coal, so that coal products and associated mineral products with proper quality are provided for different users, the coal for coking has certain requirements on ash content and sulfur content, the cleaned coal which is subjected to washing must be used, the lithofacies composition of the coal and the quantity, the types, the properties and the distribution state of mineral substances in the coal are all factors influencing the selectivity of the coal, and the coal dressing plant commonly used processes comprise jigging, heavy medium cyclones, heavy medium shallow grooves, moving screens, flotation and the like aiming at the difficulty degree of the selectivity of the raw coal, other coal dressing methods also comprise air separation, spiral separation and the like, but most existing coal dressing devices have poor desliming effect when desliming is carried out, and the efficiency of desliming is on the low side problem, not only influences the efficiency of coal dressing, still influences the quality of clean coal, and current majority coal dressing device can't come from the operation rotational speed of adjusting the motor according to the quantity of coal in the sieve, often makes the motor keep high rotation all the time, has influenced the life of motor like this to a certain extent, and current majority coal dressing device can't realize quantitative unloading or realize that the mode of quantitative unloading is too complicated simultaneously, like this when using, can't come effectual regulation unloading volume according to actual conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal dressing is with high-efficient desliming device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-efficiency desliming device for coal dressing comprises a base, a support and a feed hopper, wherein the base is fixedly connected with the support, the left side of the top end of the base is fixedly connected with a first motor, the tail end of a main shaft of the first motor is fixedly connected with an incomplete gear, the outer side of the incomplete gear is meshed with a first gear, the first gear is fixedly connected with a guide rod through a rotating shaft, the top end of the guide rod is rotatably connected with a connecting rod through a rotating rod, the connecting rod is rotatably connected with the base, the top end of the connecting rod is rotatably connected with a push rod, the top end of the push rod is rotatably connected with a sliding part, the sliding part is slidably connected with the support, the top end of the sliding part is fixedly connected with a weight sensor, the top end of the weight sensor is fixedly connected with a box body, the inner side of the bottom end of the box body is fixedly connected with a sieve plate, the right side of the support is fixedly connected with a fixed rod, the left side of the fixed rod is fixedly connected with a spring, spring left side fixedly connected with blotter, dead lever top fixedly connected with horizontal pole, horizontal pole and feeder hopper fixed connection, horizontal pole bottom fixedly connected with second motor, the terminal fixedly connected with second gear of second motor main shaft, the meshing of the second gear outside is connected with the rack baffle, rack baffle and horizontal pole sliding connection, rack baffle and feeder hopper sliding connection.

Preferably, the diameter of the incomplete gear is the same as the diameter of the first gear, and the number of teeth on the first gear is twice as many as the number of teeth on the incomplete gear.

Preferably, the sieve plate is made of a polyurethane plate, and through holes with the diameter of 100mm are uniformly formed in the surface of the sieve plate.

Preferably, the number of the springs is 4, and the springs are arranged at equal intervals.

Preferably, the cushion pad is made of a rubber plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the incomplete gear, the first gear and the guide rod, the incomplete gear is meshed with the first gear and is fixedly connected with the first gear and the guide rod, so that the desliming effect is good, the desliming efficiency is high, the coal dressing efficiency is greatly improved, the quality of clean coal is effectively ensured, the running rotating speed of the motor can be adjusted according to the weight of coal in the sieve plate, the motor is prevented from always keeping high rotation, and the service life of the motor is greatly prolonged;

2. the utility model discloses in, through second gear, rack baffle and the feeder hopper that sets up, this kind sets up the meshing of cooperation second gear and rack baffle and is connected and rack baffle and feeder hopper sliding connection, not only can realize quantitative unloading like this, and it is also very simple to adjust moreover, and labour saving and time saving can effectually adjust the unloading volume according to actual conditions.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-base, 2-bracket, 3-first motor, 4-incomplete gear, 5-first gear, 6-guide rod, 7-connecting rod, 8-push rod, 9-sliding part, 10-weight sensor, 11-box, 12-sieve plate, 13-fixed rod, 14-spring, 15-buffer pad, 16-cross rod, 17-second motor, 18-second gear, 19-rack baffle and 20-feed hopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a high-efficiency desliming device for coal dressing comprises a base 1, a support 2 and a feed hopper 20, wherein the base 1 is fixedly connected with the support 2, the left side of the top end of the base 1 is fixedly connected with a first motor 3, the tail end of a main shaft of the first motor 3 is fixedly connected with an incomplete gear 4, the outer side of the incomplete gear 4 is meshed with a first gear 5, the first gear 5 is fixedly connected with a guide rod 6 through a rotating shaft, so that the guide rod 6 can be effectively driven to reciprocate, the top end of the guide rod 6 is rotatably connected with a connecting rod 7 through a rotating rod, the connecting rod 7 is rotatably connected with the base 1, the top end of the connecting rod 7 is rotatably connected with a push rod 8, the top end of the push rod 8 is rotatably connected with a sliding part 9, and the sliding part 9 is slidably connected with the support 2, so that the sliding can be effectively carried out; the top end of the sliding part 9 is fixedly connected with a weight sensor 10, the top end of the weight sensor 10 is fixedly connected with a box body 11, which is convenient for effectively detecting weight, the inner side of the bottom end of the box body 11 is fixedly connected with a sieve plate 12, the right side of the bracket 2 is fixedly connected with a fixed rod 13, the left side of the fixed rod 13 is fixedly connected with a spring 14, the left side of the spring 14 is fixedly connected with a buffer cushion 15, which can play a good protection role, the top end of the fixed rod 13 is fixedly connected with a cross rod 16, the cross rod 16 is fixedly connected with a feed hopper 20, the bottom end of the cross rod 16 is fixedly connected with a second motor 17, the tail end of a main shaft of the second motor 17 is fixedly connected with a second gear 18, the outer side of the second gear 18 is engaged and connected with a rack baffle 19, the rack baffle 19 is connected with the cross rod 16 in a sliding way, the rack baffle 19 is connected with the feed hopper 20, which is convenient for quantitative blanking, and the adjustment is also very simple and saves time and labor, the blanking amount can be effectively adjusted according to the actual situation.

The diameter of the incomplete gear 4 is the same as that of the first gear 5, and the number of teeth on the first gear 5 is twice of that of the incomplete gear 4, so that reciprocating rotation is facilitated; the sieve plate 12 is made of a polyurethane plate, and through holes with the diameter of 100mm are uniformly formed in the surface of the sieve plate 12, so that effective desliming is facilitated; the number of the springs 14 is 4, and the springs 14 are arranged at equal intervals, so that a good damping effect can be achieved; the buffer pad 15 is made of a rubber plate, so that the buffer pad can play a good role in buffering and protection, and the shock absorption effect is better.

The working process is as follows: all electrical appliances of the device adopt an external power supply, when in use, the incomplete gear 4 can be driven by the first motor 3 to rotate forwards and backwards, meanwhile, under the drive of the incomplete gear 4, the first gear 5 can realize effective rotation, so that the guide rod 6 can be effectively driven to rotate, at the moment, under the cooperation of the connecting rod 7, the push rod 8 can effectively realize effective movement, at the moment, the slide piece 9 can be effectively driven by the push rod 8 to slide, so that the reciprocating motion of the box body 11 can be realized, at the moment, under the action of inertia, the coal on the sieve plate 12 can be effectively thrown up, so that the separate sieve desliming can be very conveniently realized, the desliming effect is very good, the desliming efficiency is higher, the coal dressing efficiency is greatly improved, the quality of clean coal is effectively ensured, and the quality of the coal can be detected by the weight sensor 10, according to how much of coal quantity in the sieve like this, come from the operation rotational speed of going to adjust first motor 3, avoid making first motor 3 remain high rotation throughout, the life of first motor 3 has been improved greatly, can drive second gear 18 through second motor 17 simultaneously and rotate, under the drive of second gear 18, can make rack baffle 19 carry out effectual removal, can realize quantitative unloading like this, and it is also very simple to adjust, time saving and labor saving, can effectually adjust the unloading volume according to actual conditions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal dressing is with high-efficient desliming device, includes base (1), support (2) and feeder hopper (20), its characterized in that: the base (1) is fixedly connected with the support (2), the first motor (3) is fixedly connected with the left side of the top of the base (1), the incomplete gear (4) is fixedly connected with the end of a main shaft of the first motor (3), the first gear (5) is meshed with the outer side of the incomplete gear (4), the first gear (5) is fixedly connected with a guide rod (6) through a rotating shaft, the top end of the guide rod (6) is rotatably connected with a connecting rod (7) through a rotating rod, the connecting rod (7) is rotatably connected with the base (1), the top end of the connecting rod (7) is rotatably connected with a push rod (8), the top end of the push rod (8) is rotatably connected with a sliding part (9), the sliding part (9) is slidably connected with the support (2), the top end of the sliding part (9) is fixedly connected with a weight sensor (10), the top end of the weight sensor (10) is fixedly connected with a box body (11), the utility model discloses a screen plate, including box (11), support (2), dead lever (13) left side fixedly connected with spring (14), spring (14) left side fixedly connected with blotter (15), dead lever (13) top fixedly connected with horizontal pole (16), horizontal pole (16) and feeder hopper (20) fixed connection, horizontal pole (16) bottom fixedly connected with second motor (17), second motor (17) end of main shaft fixedly connected with second gear (18), second gear (18) outside meshing is connected with rack baffle (19), rack baffle (19) and horizontal pole (16) sliding connection, rack baffle (19) and feeder hopper (20) sliding connection.

2. The efficient desliming device for coal dressing according to claim 1, wherein: the diameter of the incomplete gear (4) is the same as that of the first gear (5), and the number of teeth on the first gear (5) is twice that of the incomplete gear (4).

3. The efficient desliming device for coal dressing according to claim 1, wherein: the sieve plate (12) is made of a polyurethane plate, and through holes with the diameter of 100mm are uniformly formed in the surface of the sieve plate (12).

4. The efficient desliming device for coal dressing according to claim 1, wherein: the number of the springs (14) is 4, and the springs (14) are arranged at equal intervals.

5. The efficient desliming device for coal dressing according to claim 1, wherein: the buffer pad (15) is made of a rubber plate.