阅读说明：本技术 原煤自动取样器 (Automatic raw coal sampler ) 是由 刘学庆 段峰 刘保国 刘天佐 李海鑫 谢国新 史有家 王志国 于 2019-11-15 设计创作，主要内容包括：本发明是原煤自动取样器,结构包括传动机构、输送机构、行走机构,其中传动机构与输送机构相互连接,并负责输送机构的动力输出,行走机构与输送机构固定连接,行走机构的移动带动输送机构的移动,本发明主要用于化验室取料的原煤输送,并用自动取料装置代替人工取料。(The invention relates to a raw coal automatic sampler, which structurally comprises a transmission mechanism, a conveying mechanism and a travelling mechanism, wherein the transmission mechanism is connected with the conveying mechanism and is responsible for power output of the conveying mechanism, the travelling mechanism is fixedly connected with the conveying mechanism, and the travelling mechanism moves to drive the conveying mechanism to move.)

1. Raw coal automatic sampler, its characterized in that, the structure includes drive mechanism, conveying mechanism, running gear, guide rail, drive mechanism fixed connection is in conveying mechanism's top, running gear fixed connection is in conveying mechanism's bottom, the guide rail is located running gear's bottom, the drive mechanism structure includes motor one, speed reducer one, belt pulley one, belt pulley two, the left end and the speed reducer one fixed connection of motor one, the left end and the belt pulley one fixed connection of speed reducer one, the belt pulley two is under the belt pulley one, belt interconnect is crossed with belt pulley two, the conveying mechanism structure includes screw conveyer, connects material mouth, discharge gate, screw conveyer's left end and belt pulley two fixed connection, connect material mouth fixed connection in screw conveyer's right-hand member top, the discharge port is fixedly connected to the bottom of the left end of the screw conveyor, the travelling mechanism structure comprises a second motor, a second speed reducer, a first chain wheel, a chain, a second chain wheel, a support, a wheel shaft, a travelling wheel, a bearing group with a base and a support seat, the right end of the second motor is fixedly connected with the second speed reducer, the bottom of the second speed reducer is fixedly connected with the top of the support seat, the support seat is a cuboid formed by welding steel plates, the support seat is positioned in the support and fixedly connected with the upper plane of the bottom of the support, the support is a support body formed by welding square steel pipes with certain length, the screw conveyor is fixedly connected with the top of the support, the right end of the second speed reducer is fixedly connected with the first chain wheel, the second chain wheel is positioned under the first chain wheel, the first chain wheel and the second chain wheel are connected with each other through the chain, and, equal fixed connection is in the lower plane of support bottom, the shaft has two, is located support bottom both ends about respectively, and the both ends of every shaft run through a pedestal bearing respectively, the walking wheel has four, is located every pedestal bearing's the outside respectively, and fixed connection is in the both ends head of every shaft respectively, sprocket two and the shaft fixed connection of right-hand member, the guide rail is the rectangle steel pipe of certain length, has two, and parallel placement each other, the top swing joint of every guide rail has two walking wheels.

2. The raw coal automatic sampler according to claim 1, wherein the speed reducer is fixedly connected to the top of the left end of the screw conveyor, so as to fixedly connect the transmission mechanism and the conveying mechanism.

3. The raw coal autosampler of claim 1, wherein the outlet is located vertically inside the support between two axles.

4. The raw coal automatic sampler according to claim 1, characterized in that one side of the travelling wheel is further provided with a limit stop with an annular protrusion, and the distance between the limit stops on the two travelling wheels of the same axle is just equal to the distance between the inner side surfaces of the two guide rails.

5. The raw coal autosampler of claim 1, wherein the central axes of the two seated bearings on each axle are on the same line.

Technical Field

The invention relates to the field of cement production, in particular to an automatic raw coal sampler.

Background

Coal has the functions of fuel and raw materials in cement production, and serves as fuel, the coal provides a heat source for carbonate decomposition in a decomposing furnace and clinker sintering in a rotary kiln, coal ash is precipitated and mixed in raw materials to form a part of clinker, the heat productivity, combustion characteristics, sulfur content, moisture, ash volatilization and the like of raw coal can influence the cement production, China is a coal-productive country, coal has large quality difference due to uneven particle size distribution, a representative coal sample is adopted for detection when the coal enters a factory, the detection is very important for judging the quality of the coal, the coal sampling is generally adopted in the coal transportation process at present, the traditional coal sampling technology mainly adopts the coal conveyed on a conveying belt manually or mechanically and automatically, particularly, the manual sampling is generally adopted in the coal conveying process by the belt, a sampling person extracts coal samples at the same or different sampling points of a conveying belt by using a sampling tool, but the national standard requirement of coal sampling is full-section sampling, but the belt is always in a moving conveying process, so that the full-section sampling is difficult to realize by using the sampling tool manually, and the sampling not only causes poor sample representativeness, but also increases the labor intensity due to manual sampling, and has potential safety hazards; the mechanical automatic sampler sold in the market is difficult to maintain and repair due to the complex structure, and the blockage phenomenon occurs due to the adhesion of coal particles in time.

In summary, the raw coal sampling in the prior art has certain technical defects, so the invention provides the raw coal automatic sampler which can greatly improve the representativeness of the raw coal sampling, avoid potential safety hazards, save labor, be simple to maintain and repair, save cost and be convenient to operate, and the technical problem to be solved is urgent.

Disclosure of Invention

The invention aims to provide a raw coal automatic sampler which can improve the representativeness of raw coal sampling, save manpower, avoid potential safety hazards, and has a compact structure and simple maintenance.

In order to achieve the above purpose, the following technical scheme is provided:

raw coal automatic sampler, its characterized in that, the structure includes drive mechanism, conveying mechanism, running gear, guide rail, drive mechanism fixed connection is in conveying mechanism's top, running gear fixed connection is in conveying mechanism's bottom, the guide rail is located running gear's bottom, the drive mechanism structure includes motor one, speed reducer one, belt pulley one, belt pulley two, the left end and the speed reducer one fixed connection of motor one, the left end and the belt pulley one fixed connection of speed reducer one, the belt pulley two is under the belt pulley one, belt interconnect is crossed with belt pulley two, the conveying mechanism structure includes screw conveyer, connects material mouth, discharge gate, screw conveyer's left end and belt pulley two fixed connection, connect material mouth fixed connection in screw conveyer's right-hand member top, the discharge port is fixedly connected to the bottom of the left end of the screw conveyor, the travelling mechanism structure comprises a second motor, a second speed reducer, a first chain wheel, a chain, a second chain wheel, a support, a wheel shaft, a travelling wheel, a bearing group with a base and a support seat, the right end of the second motor is fixedly connected with the second speed reducer, the bottom of the second speed reducer is fixedly connected with the top of the support seat, the support seat is a cuboid formed by welding steel plates, the support seat is positioned in the support and fixedly connected with the upper plane of the bottom of the support, the support is a support body formed by welding square steel pipes with certain length, the screw conveyor is fixedly connected with the top of the support, the right end of the second speed reducer is fixedly connected with the first chain wheel, the second chain wheel is positioned under the first chain wheel, the first chain wheel and the second chain wheel are connected with each other through the chain, and, equal fixed connection is in the lower plane of support bottom, the shaft has two, is located support bottom both ends about respectively, and the both ends of every shaft run through a pedestal bearing respectively, the walking wheel has four, is located every pedestal bearing's the outside respectively, and fixed connection is in the both ends head of every shaft respectively, sprocket two and the shaft fixed connection of right-hand member, the guide rail is the rectangle steel pipe of certain length, has two, and parallel placement each other, the top swing joint of every guide rail has two walking wheels.

Preferably, the first speed reducer is fixedly connected to the top of the left end of the spiral conveyor, so that the transmission mechanism is fixedly connected with the conveying mechanism.

Preferably, the discharge port is vertically positioned inside the bracket and between the two axles.

Preferably, one side of the travelling wheel is also provided with an annular convex limiting stop, and the distance between the limiting stops on the two travelling wheels of the same wheel shaft is just equal to the distance between the inner side surfaces of the two guide rails.

Preferably, the central axes of the two rolling bearings on each axle are in the same line.

The invention has the beneficial effects that:

1. the device of the invention drives the material taking device to move forward and backward through the traveling mechanism, is rapid and convenient, and greatly improves the representativeness of raw coal sampling.

2. The device of the invention utilizes program automatic control, reduces manpower, eliminates the defect of manual sampling, and also improves the safety of workers.

3. The invention is designed and installed by itself, has compact and simple structure, and effectively solves the problem of blockage caused by adhesion of coal particles in the actual production process.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic diagram of an embodiment of the present invention;

the reference symbols shown in the figures are: 1-motor I, 2-speed reducer I, 3-belt pulley I, 4-belt, 5-belt pulley II, 6-screw conveyor, 7-material receiving port, 8-support, 9-material outlet, 10-motor II, 11-speed reducer II, 12-chain wheel I, 13-chain, 14-chain wheel II, 15-wheel shaft, 16-chain wheel, 17-limit gear, 18-guide rail, 19-supporting seat and 20-bearing with seat.

Detailed Description

The following describes the present design in detail with reference to the accompanying drawings.

As shown in fig. 1-2, the raw coal automatic sampler comprises a transmission mechanism, a conveying mechanism, a traveling mechanism and a guide rail 18, wherein the transmission mechanism is fixedly connected to the top of the conveying mechanism, the traveling mechanism is fixedly connected to the bottom of the conveying mechanism, the guide rail 18 is located at the bottom of the traveling mechanism, the transmission mechanism comprises a motor 1, a speed reducer 2, a belt pulley 3, a belt 4 and a belt pulley 5, wherein the left end of the motor 1 is fixedly connected with the speed reducer 2, the left end of the speed reducer 2 is fixedly connected with the belt pulley 3, the belt pulley 5 is located right below the belt pulley 3, the belt pulley 3 and the belt pulley 5 are connected with each other through the belt 4, the conveying mechanism comprises a screw conveyor 6, a material receiving port 7 and a material discharging port 9, wherein the left end of the screw conveyor 6 is fixedly connected with the belt pulley 5, the material receiving port 7 is fixedly connected to the top of the screw conveyor 6, the discharge port 9 is fixedly connected to the bottom of the left end of the screw conveyor 6, the traveling mechanism structure comprises a motor II 10, a speed reducer II 11, a chain wheel I12, a chain 13, a chain wheel II 14, a support 8, a wheel shaft 15, a traveling wheel 16, a bearing group with a seat and a support seat 19, wherein the right end of the motor II 10 is fixedly connected with the speed reducer II 11, the bottom of the speed reducer II 11 is fixedly connected with the top of the support seat 19, the support seat 19 is a cuboid formed by welding steel plates, the support seat 19 is positioned inside the support 8 and fixedly connected to the upper plane of the bottom of the support 8, the support 8 is a support body formed by welding square steel pipes with a certain length, the screw conveyor 6 is fixedly connected to the top of the support 8, the right end of the speed reducer II 11 is fixedly connected with the chain wheel I12, the chain wheel II 14 is positioned under the chain wheel I12, the chain wheel I12 and the chain wheel II 14 are, equal fixed connection is in the lower plane of support 8 bottom, shaft 15 has two, both ends about being located support 8 bottom respectively, and one tape seat bearing 20 is run through respectively at the both ends of every shaft 15, wherein walking wheel 16 has four, be located every tape seat bearing 20's outside respectively, and respectively fixed connection is in the both ends head of every shaft 15, sprocket two 14 and the shaft 15 fixed connection of right-hand member, guide rail 18 is the rectangle steel pipe of certain length, have two, mutual parallel placement, the top swing joint of every guide rail 18 has two walking wheels 16.

Wherein, speed reducer 2 is fixed connection in screw conveyer 6's left end top, and then realizes drive mechanism and conveying mechanism's fixed connection.

Wherein the discharge opening 9 is located vertically inside the support 8 between the two axles 15.

Wherein, one side of the walking wheel 16 is also provided with a limit stop 17 which is annularly raised, and the distance between the limit stops 17 on the two walking wheels 16 of the same wheel shaft 15 is just equal to the distance between the inner side surfaces of the two guide rails 18.

Wherein the central axes of the two rolling bearings 20 on each axle are in the same line.

The operation of the first motor 1 and the second motor 10 is automatically controlled by a program, a worker can set a sampling period, and the program automatically executes an action instruction according to the process flow requirement to realize automatic material taking.

Examples

As shown in fig. 3, before use, it is ensured that each part of the mechanism operates normally, the program is powered on for the first time, whether an electrical element has a fault is detected, if no fault exists, a program instruction is executed, a worker sets a sampling period, when a set time is reached, the first motor 1 and the second motor 10 operate, the second motor 10 transmits power to the second speed reducer 11, the second speed reducer 11 drives the first chain wheel 12 to rotate, the second chain wheel 14 is driven to rotate through transmission of the chain 13, the second chain wheel 14 is fixedly connected with the wheel shaft 15, so that the wheel shaft 15 rotates, the travelling wheel 16 is driven to move forward on the guide rail 18, at this time, the whole raw coal automatic sampler moves forward until the spiral conveyor 6 reaches a set sampling position, the receiving port 7 is just below a raw coal feeding belt, and raw coal falls from the belt and enters the receiving port 7;

the motor I1 transmits power to the speed reducer I2, the speed reducer I2 drives the belt pulley I3 to rotate, the belt pulley II 5 is driven to rotate through transmission of the belt 4, the belt pulley II 5 is fixedly connected with a rotating part of the spiral conveyor 6, the spiral conveyor 5 is enabled to operate, raw coal falling into the material receiving port 7 moves to the material discharging port 9 through rotary conveying of the spiral conveyor 5 and is discharged into a material receiving device from the material discharging port 9, after the material taking step is completed, the motor II 10 rotates reversely to drive the whole automatic raw coal sampler to move backwards, the material taking position is withdrawn, the equipment stops running, the set time is reached, the equipment is started, and the steps are repeated to take materials.