CN219319781U - Quick sampling head for coal surface layer - Google Patents

Abstract

The utility model provides a quick sampling head in coal top layer, including the lifting trolley, the lifting trolley passes through chain drive and goes up and down, sliding mounting is on the frame track about the lifting trolley, fixed vertical pole of upper and lower direction is fixed to fixed mounting on the dolly, the lower extreme of fixed vertical pole articulates there is the fixed plate, sampling bucket fixed connection is on the fixed plate, the sampling bucket articulates the lower extreme at fixed vertical pole through the fixed plate, the upper end fixedly connected with tail handle at the fixed plate, the tail handle is V-arrangement with the fixed plate and distributes, the lower extreme of actuating lever articulates on the tail handle, upper end fixed connection is on the cylinder pole of cylinder, the cylinder body of cylinder articulates on the lifting trolley, the sampling bucket be the cylindric bucket that does not have the bottom surface, the cylinder is connected with high-pressure air source, the cylinder is connected to the controller control. The sampling head acts rapidly, can realize rapid sampling of the coal surface layer, and solves the problem of sampling after loading of a coal mine train.

Description

Quick sampling head for coal surface layer

Technical Field

The utility model relates to a coal sampling head, in particular to a rapid sampling head for sampling a coal surface layer, and belongs to the technical field of sampling equipment.

Background

The automatic sampling equipment for coal and the wide application in enterprises in the related fields generally adopt a gantry type structure sampling machine, the sampling machine is provided with a triaxial driving system, the sampling head is driven to move to a randomly selected point by the triaxial driving system to realize random sampling, the sampling head on the equipment adopts a spiral sampling head, the scheme of the sampling head disclosed in China patent application No. 202010276610X is the structure which is used on most of the existing machines, the equipment is generally used for random sampling of the coal in factories, the equipment is the main flow equipment on the existing automatic sampling machine, in actual demand, sampling is needed in a scene, namely the coal in the coal mine adopts the factory coal loaded by a train, three samples are needed in each carriage of the factory coal of the train according to the requirement, the sampling is carried out after the carriage loading is completed, the carriage behind the train is synchronously loaded with the coal, the carriage is required to follow the sampling, the running speed of the train in the sampling process is 3-4m/min, the sampling requirement in the situation is not met, and the current spiral sampling head is required to be used in the situation, and the sampling head is redesigned according to the requirement.

Disclosure of Invention

The utility model aims to meet the requirements of factory coal sampling of a coal mine train and provides a rapid sampling head for a coal surface layer.

In order to achieve the purpose of the utility model, the following technical scheme is adopted: the utility model provides a quick sampling head in coal top layer, includes the lift dolly, the lift dolly pass through chain drive and go up and down, the lift dolly about slidable mounting on the frame track, fixed pole setting of upper and lower direction is gone up to fixed mounting on the dolly, the lower extreme of fixed pole setting articulates there is the fixed plate, sampling bucket fixed connection is on the fixed plate, the sampling bucket articulates the lower extreme at fixed pole setting through the fixed plate, the upper end fixedly connected with tail handle at the fixed plate, the tail handle is V-arrangement with the fixed plate and distributes, the lower extreme of actuating lever articulates on the tail handle, upper end fixed connection is on the cylinder pole of cylinder, the cylinder body of cylinder articulates on the lift dolly, the sampling bucket be the cylindric bucket that does not have the bottom surface, the cylinder is connected with the high-pressure air source, the cylinder is connected to the controller control.

Further; when the sampling hopper is in a vertical state, the lower half sections of the two side surfaces are trapezoids with wide upper parts and narrow lower parts, and the trapezoids are not provided with top surfaces.

Further; the upper end of the frame rail is rotationally provided with a transmission shaft, two upper chain wheels are fixedly connected on the transmission shaft, a motor is fixedly arranged at the upper end of the frame rail, a speed reducer is connected on an output shaft of the motor, the transmission shaft is fixedly connected on an output shaft of the speed reducer, the trolley comprises a top plate and a bottom plate, two lower chain wheels which are vertically corresponding to the upper chain wheels are rotationally connected at the lower part of the frame rail, one end of a chain is fixedly connected on the top plate, upwards bypasses the upper chain wheels, downwards bypasses the lower chain wheels, and then is fixedly connected on the bottom plate.

Further; a chain pipe is fixedly connected between the top plate and the bottom plate, and the chain passes through the chain pipe.

The utility model has the positive and beneficial technical effects that: the sampling head acts rapidly, can realize rapid sampling of the coal surface layer, and solves the problem of sampling after loading of a coal mine train.

Drawings

Fig. 1 is an overall schematic of the present utility model.

Fig. 2 is a schematic view of the upper part.

Fig. 3 is a schematic view of a trolley site.

Fig. 4 is a schematic view of a sampling bucket location.

Detailed Description

In order to more fully explain the practice of the utility model, examples of the practice of the utility model are provided. These examples are merely illustrative of the present utility model and do not limit the scope of the utility model.

The utility model will be explained in further detail with reference to the accompanying drawings, in which: 1: a frame rail; 2: a trolley; 201: a top plate; 202: a bottom plate; 3: fixing the vertical rod; 4: a sampling bucket; 401: a trapezoid; 5: a driving rod; 6: a cylinder; 7: a transmission shaft; 8: a motor; 9: a chain; 10: an upper sprocket; 11: a speed reducer; 12: a lower sprocket; 13: a chain tube; 14: a fixing plate; 15: tail handle.

As shown in the drawing, the rapid sampling head for the coal surface layer comprises a frame track 1, a transmission shaft 7 is rotatably arranged at the upper end of the frame track, two ends of the transmission shaft 7 are supported by bearings in bearing blocks, the bearing blocks are fixedly connected to the frame track, two upper chain wheels 12 are fixedly connected to the transmission shaft, a motor 8 is fixedly arranged at the upper end of the frame track, a speed reducer 11 is connected to an output shaft of the motor, and the transmission shaft is fixedly connected to an output shaft of the speed reducer 11 through a coupling.

The lifting trolley 2 is vertically and slidably arranged on the frame track 1, the trolley 2 comprises a top plate 201 and a bottom plate 202, a chain pipe 13 is fixedly connected between the top plate and the bottom plate, two lower chain wheels 12 corresponding to the upper chain wheels up and down are rotatably connected to the lower part of the frame track, one end of a chain 9 is fixedly connected to the top plate 201, and after upwards bypassing the upper chain wheel 10, downwards bypassing the lower chain wheel 12, and then the other end of the chain 9 is fixedly connected to the bottom plate 202, and the chain passes through the chain pipe. The motor is connected to the controller control, and the dolly passes through the motor and drives the chain and go up and down.

The fixed vertical rod 3 in the vertical direction is fixedly arranged on the trolley, the fixed vertical rod 3 is thick and thin, the lower end of the fixed vertical rod is hinged with the fixed plate 14, the sampling bucket 4 is fixedly connected to the fixed plate 14, the sampling bucket 4 is hinged to the lower end of the fixed vertical rod 3 through the fixed plate 14, the upper end of the fixed plate 14 is fixedly connected with the tail handle 15, the tail handle 15 and the fixed plate are distributed in a V shape, the lower end of the driving rod 5 is hinged to the tail handle 15, the upper end of the driving rod is fixedly connected to a cylinder rod of the cylinder 6, the cylinder body of the cylinder is hinged to the trolley 2, the sampling bucket is a cylindrical bucket without a bottom surface, when the sampling bucket is in a vertical state, the lower half section of the two side surfaces is in a trapezoid with a wide upper part and a narrow lower part, 401 is shown as a trapezoid part, the trapezoid is favorable for the sampling bucket to enter a coal bed, the trapezoid part is not provided with a top surface, the cylinder is connected with a high-pressure air source, and the cylinder is connected to a controller.

When the sampling head is used for sampling, the chain is driven by the motor to drive the trolley to drop to a set height, the sampling bucket enters the coal bed under the action of gravity, the air cylinder action driving rod drives the tail handle to enable the fixed plate to rotate around the hinged part, the sampling bucket is converted into a horizontal state, the coal sample is left in the sampling bucket in the state conversion process, then the chain drives the trolley to ascend and then move to the sampling bucket through a corresponding shaft in the triaxial system of the sampling machine, the tail handle is driven to reversely rotate by the air cylinder action to enable the sampling bucket to be converted into a vertical state, and the coal sample can flow out.

Having described embodiments of the present utility model in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the utility model as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present utility model and the utility model is not limited to the embodiments as set forth in the specification.

Claims (4)

1. The utility model provides a quick sampling head in coal top layer, includes the lifting trolley, the lifting trolley go up and down through chain drive, its characterized in that: the lifting trolley is arranged on the frame rail in a sliding mode up and down, a fixed vertical rod in the vertical direction is fixedly arranged on the trolley, a fixed plate is hinged to the lower end of the fixed vertical rod, a sampling bucket is fixedly connected to the fixed plate, the sampling bucket is hinged to the lower end of the fixed vertical rod through the fixed plate, a tail handle is fixedly connected to the upper end of the fixed plate, the tail handle and the fixed plate are distributed in a V-shaped mode, the lower end of a driving rod is hinged to the tail handle, the upper end of the driving rod is fixedly connected to a cylinder rod of a cylinder, a cylinder body of the cylinder is hinged to the lifting trolley, the sampling bucket is a cylindrical bucket without a bottom face, the cylinder is connected with a high-pressure air source, and the cylinder is connected to a controller.

2. The rapid sampling head for a coal surface layer according to claim 1, wherein: when the sampling hopper is in a vertical state, the lower half sections of the two side surfaces are trapezoids with wide upper parts and narrow lower parts, and the trapezoids are not provided with top surfaces.

3. The rapid sampling head for a coal surface layer according to claim 1, wherein: the upper end of the frame rail is rotationally provided with a transmission shaft, two upper chain wheels are fixedly connected on the transmission shaft, a motor is fixedly arranged at the upper end of the frame rail, a speed reducer is connected on an output shaft of the motor, the transmission shaft is fixedly connected on an output shaft of the speed reducer, the trolley comprises a top plate and a bottom plate, two lower chain wheels which are vertically corresponding to the upper chain wheels are rotationally connected at the lower part of the frame rail, one end of a chain is fixedly connected on the top plate, upwards bypasses the upper chain wheels, downwards bypasses the lower chain wheels, and then is fixedly connected on the bottom plate.

4. A rapid sampling head for a coal surface layer according to claim 3, wherein: a chain pipe is fixedly connected between the top plate and the bottom plate, and the chain passes through the chain pipe.

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