CN216978409U

CN216978409U - Go into factory coal sampling machine sampling probe cleaning device

Info

Publication number: CN216978409U
Application number: CN202122063692.2U
Authority: CN
Inventors: 高玉涛
Original assignee: Huaneng Jiaxiang Power Generation Co ltd
Current assignee: Huaneng Jiaxiang Power Generation Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-07-15
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a cleaning device for a sampling probe of a coal sampler entering a factory, which relates to the technical field of samplers, and comprises a frame body and a lifting rod rotatably connected with the top of the inner side wall of the frame body, wherein the outer side wall of the frame body is fixedly connected with an air pump; according to the utility model, through the matching use of the air pump, the electromagnetic valve and the connecting pipe, when the sampling head samples downwards, the electromagnetic valve is opened, at the moment, gas output by the air pump enters the inside of the sampling head through the connecting pipe and the through hole formed in the side wall of the sampling head, compressed air sweeps the inner side wall of the sampling head, coal entering a factory is prevented from being adhered to the inner side wall of the sampling head during sampling, when a coal sample taken from the inside of the sampling head needs to be discharged, the piston is pushed downwards through the work of the oil pump, in the process again, the air pump always sweeps the inner side wall of the sampling head through the connecting pipe, the cleanness of sweeping is ensured, and the risk of sample mixing caused by the phenomenon of adherence when the coal moisture is large or the viscosity is high is prevented.

Description

Go into factory coal sampling machine sampling probe cleaning device

Technical Field

The utility model relates to the technical field of sampling machines, in particular to a cleaning device for a sampling probe of a coal sampling machine entering a factory.

Background

A sampler is a device used to obtain a sample from a batch of material whose test results are representative of the entire batch of material being sampled. The types of the sampling machines are various, and the structural forms of the sampling machines adopted in different industries and different places are different. Generally, the method can be divided into the following steps according to the structural form and the application occasion: a carriage (automobile and train) sampling machine, a pipeline sampling machine, a belt sampling machine (head part and middle part) and the like. The sampling device is generally used for sampling in the conveying and transferring processes of bulk materials (such as coal, ore, grain and the like); in the process of coal sample collection and preparation, the coal sample collection is an important link in the collection and preparation, and the key is whether the coal sample is representative or not. The automatic mechanical sampling machine is used for replacing manual sampling, and the national standard requirements are completely met. The sampling time, the number of the sub-samples, the weight of the sub-samples and the like are ensured, and the sampling of the cross-section coal flow full section is ensured, so that the coal sample is representative. Meanwhile, the potential safety hazard of manual sampling is eliminated, the labor intensity of workers is reduced, the influence of human factors and the like is solved, the accuracy of product quality inspection is improved, and important functions of timely, accurate and representative coal quality technical inspection are played for timely guiding production, ensuring the quality of coal products and playing a role in coal quality technical inspection.

At present, when the inner wall of a cleaning sampling head, a push rod is pushed forwards to drive a cleaning plate, when the moisture of coal is large or the viscosity is large, the adherence phenomenon often occurs, the risk of sample mixing is caused, and therefore a cleaning device for a sampling probe of a coal sampling machine in a factory is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that when the inner wall of a sampling head is cleaned in the prior art, a push rod is pushed forwards to drive a cleaning plate, and when the moisture content of coal is high or the viscosity of the coal is high, the wall adhesion phenomenon often occurs, so that the risk of sample mixing is avoided, and the cleaning device for the sampling probe of the coal sampling machine entering a factory is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cleaning device for a sampling probe of a coal-in-plant sampling machine comprises a frame body and a lifting rod rotatably connected with the top of the inner side wall of the frame body, wherein an air pump is fixedly connected with the outer side wall of the frame body;

the bottom fixedly connected with connecting pipe of air pump, the connecting pipe is close to the one end of air pump is provided with the solenoid valve, the tip fixedly connected with outer loop of connecting pipe, the tip of outer loop is connected with the sampling head through the bearing, the inboard wall of sampling head is laminated mutually has the piston, the bottom lateral wall of sampling head rotates and is connected with the pawl, the top of piston is connected with through the bearing and strikes off the mechanism.

Preferably, the scraping mechanism comprises a rotating rod connected with the top of the piston through a bearing, a scraping blade is fixedly connected to the outer side wall of the end part of the rotating rod, a blade is fixedly connected to the outer side wall of the rotating rod, and the end part of the scraping blade is attached to the inner side wall of the sampling head.

Preferably, the inside wall of support body is connected with lift platform through lifting unit, lift platform's inside wall top fixed connection has the headstock, the top fixedly connected with servo motor of headstock, the top fixedly connected with oil pump of headstock, the oil pump sets up servo motor's adjacent position.

Preferably, the lifting assembly include with support body inside wall fixed connection's guide rail, the lateral wall of guide rail is laminated with the litter mutually, the lateral wall fixedly connected with hydraulic press of litter, the bottom of hydraulic press with lift platform's inside wall top fixed connection.

Preferably, the top of the piston is fixedly connected with the bottom of the oil pump, the top of the sampling head is fixedly connected with the bottom of the power box, and the top of the outer ring is fixedly connected with the bottom of the lifting platform.

Preferably, the end of the connecting pipe is opposite to the inner arc surface of the blade, the outer side wall of the blade is in sliding connection with the inner side wall of the sampling head, and the sampling head is opposite to the end of the connecting pipe and provided with a plurality of through holes.

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

1. according to the utility model, through the matching use of the air pump, the electromagnetic valve and the connecting pipe, when the sampling head samples downwards, the electromagnetic valve is opened, at the moment, gas output by the air pump enters the inside of the sampling head through the connecting pipe and the through hole formed in the side wall of the sampling head, compressed air sweeps the inner side wall of the sampling head, coal entering a factory is prevented from being adhered to the inner side wall of the sampling head during sampling, when a coal sample taken from the inside of the sampling head needs to be discharged, the piston is pushed downwards through the work of the oil pump, in the second process, the air pump always sweeps the inner side wall of the sampling head through the connecting pipe, the cleaning is ensured to be clean, and the risk of sample mixing caused by the phenomenon of adherence when the coal moisture is large or the viscosity is high is prevented.

2. The utility model uses the cooperation of the air pump, the connecting rod, the blades, the rotating rod and the scraping blade, when the sampling head samples downwards, because the gas output by the air pump enters the inside of the sampling head through the connecting pipe and the through hole arranged on the side wall of the sampling head, the compressed gas can blow the blades to rotate, so that the rotating rod drives the scraping blade to rotate, the scraping blade can scrape the inner side wall of the sampling head, the singleness of the sampled coal sample is ensured, when the coal sample needs to be pushed out after the sampling is finished, the piston can move downwards under the action of the oil pump, meanwhile, the compressed gas output by the air pump can blow the blades to rotate, so that the rotating rod drives the scraping blade to rotate, the scraping blade can fully scrape the inner side wall of the sampling head through the driving action of the piston, the cleanness of the inner side wall of the sampling head is ensured, and the phenomenon of adherence is further prevented when the moisture of coal is large or the viscosity is high, the risk of sample mixing is caused, and the accuracy of sampling detection is improved.

Drawings

FIG. 1 is a schematic front perspective view of a cleaning device for a sampling probe of a coal sampling machine entering a plant according to the present invention;

FIG. 2 is a schematic front sectional perspective view of a cleaning device for a sampling probe of a coal sampling machine entering a plant according to the present invention;

FIG. 3 is an enlarged schematic structural view of a part A in FIG. 2 of the cleaning device for the sampling probe of the coal sampling machine entering the factory according to the present invention;

fig. 4 is an enlarged structural schematic diagram of a sampling probe cleaning device of a coal sampling machine entering a plant, which is provided by the utility model, at a position B in fig. 2.

In the figure: 1. a frame body; 2. a lifting rod; 3. a lifting platform; 4. a hydraulic press; 5. a slide rod; 6. a guide rail; 7. a power box; 8. a servo motor; 9. an oil pump; 10. a sampling head; 11. a pawl; 12. a piston; 13. an outer ring; 14. a blade; 15. a rotating rod; 16. scraping a blade; 17. a connecting pipe; 18. an electromagnetic valve; 19. an air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, the cleaning device for the sampling probe of the coal sampling machine entering the factory comprises a frame body 1 and a lifting rod 2 rotatably connected with the top of the inner side wall of the frame body 1, wherein an air pump 19 is fixedly connected with the outer side wall of the frame body 1;

the bottom of the air pump 19 is fixedly connected with a connecting pipe 17, one end, close to the air pump 19, of the connecting pipe 17 is provided with an electromagnetic valve 18, the end part of the connecting pipe 17 is fixedly connected with an outer ring 13, the end part of the outer ring 13 is connected with a sampling head 10 through a bearing, the inner side wall of the sampling head 10 is attached with a piston 12, the bottom side wall of the sampling head 10 is rotatably connected with a pawl 11, and the top of the piston 12 is connected with a scraping mechanism through a bearing;

through the setting of above-mentioned structure, air pump 19 sweeps the inside wall of sampling head 10 through connecting pipe 17 all the time, guarantees the clean, prevents when coal quality moisture is great or viscosity is big, appears adherence phenomenon, causes the risk of mixing the appearance.

The scraping mechanism comprises a rotating rod 15 connected with the top of the piston 12 through a bearing, a scraping blade 16 is fixedly connected to the outer side wall of the end part of the rotating rod 15, a blade 14 is fixedly connected to the outer side wall of the rotating rod 15, and the end part of the scraping blade 16 is attached to the inner side wall of the sampling head 10;

through the setting of above-mentioned structure, doctor-bar 16 will carry out abundant scraping operation to the inside wall of sampling head 10 through the drive effect of piston 12, has guaranteed the clean and tidy of sampling head 10 inside wall, further prevents when coal quality moisture is great or viscosity is big, appears adherence phenomenon, causes the risk of mixing the appearance, has improved the accuracy that the sampling detected.

Wherein, the inside wall of support body 1 is connected with lift platform 3 through lifting unit, and lift platform 3's inside wall top fixedly connected with headstock 7, headstock 7's top fixedly connected with servo motor 8, headstock 7's top fixedly connected with oil pump 9, oil pump 9 sets up the adjacent position at servo motor 8.

The lifting assembly comprises a guide rail 6 fixedly connected with the inner side wall of the frame body 1, a sliding rod 5 is attached to the outer side wall of the guide rail 6, a hydraulic machine 4 is fixedly connected to the outer side wall of the sliding rod 5, and the bottom of the hydraulic machine 4 is fixedly connected with the top of the inner side wall of the lifting platform 3;

through the arrangement of the structure, the stable lifting of the sampling head 10 is ensured, and the use by personnel is facilitated.

The top of the piston 12 is fixedly connected with the bottom of the oil pump 9, the top of the sampling head 10 is fixedly connected with the bottom of the power box 7, and the top of the outer ring 13 is fixedly connected with the bottom of the lifting platform 3.

Wherein, the tip of connecting pipe 17 is just to the intrados setting of blade 14, the lateral wall of blade 14 and the inside wall sliding connection of sampling head 10, and a plurality of through-holes have just been seted up to connecting pipe 17 tip position to sampling head 10.

In the utility model, when the sampling head 10 is used, the slide rod 5 moves downwards along the outer side wall of the guide rail 6 through the work of the hydraulic machine 4, so that the sampling head 10 moves downwards, when the sampling head 10 descends to a required position, the pawl 11 is controlled to be opened, then the servo motor 8 is started to drive the sampling head 10 to rotate through the power box 7, so as to sample, as the gas output by the air pump 19 enters the inside of the sampling head 10 through the connecting pipe 17 and the through hole formed in the side wall of the sampling head 10, the compressed gas can blow the blade 14 to rotate, so that the rotating rod 15 drives the scraping blade 16 to rotate, the scraping blade 16 can scrape the inner side wall of the sampling head 10, so as to ensure the uniqueness of the sampled coal sample, after the sampling is completed, the pawl 11 is closed, the sampling head 10 ascends to the required position under the action of the hydraulic machine 4, when the coal sample needs to be pushed out after the sampling is completed, the piston 12 can move downwards under the action of the oil pump 9, meanwhile, the compressed gas output by the air pump 19 can blow the blades 14 to rotate, so that the rotating rod 15 drives the scraping blade 16 to rotate, the scraping blade 16 can fully scrape the inner side wall of the sampling head 10 under the driving action of the piston 12, the cleanness of the inner side wall of the sampling head 10 is guaranteed, the operation is simple, convenient and quick, the detection accuracy is guaranteed, the use is convenient, and the popularization is worth.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A cleaning device for a sampling probe of a coal sampler entering a factory comprises a frame body (1) and a lifting rod (2) rotatably connected with the top of the inner side wall of the frame body (1), and is characterized in that an air pump (19) is fixedly connected with the outer side wall of the frame body (1);

the bottom fixedly connected with connecting pipe (17) of air pump (19), connecting pipe (17) are close to the one end of air pump (19) is provided with solenoid valve (18), tip fixedly connected with outer loop (13) of connecting pipe (17), the tip of outer loop (13) is connected with sampling head (10) through the bearing, the inboard wall of sampling head (10) is laminated mutually has piston (12), the bottom lateral wall of sampling head (10) rotates and is connected with pawl (11), the top of piston (12) is connected with through the bearing and strikes off the mechanism.

2. The cleaning device for the sampling probe of the coal sampling machine entering the factory as claimed in claim 1, wherein the scraping mechanism comprises a rotating rod (15) connected with the top of the piston (12) through a bearing, a scraping blade (16) is fixedly connected to the outer side wall of the end of the rotating rod (15), a blade (14) is fixedly connected to the outer side wall of the rotating rod (15), and the end of the scraping blade (16) is attached to the inner side wall of the sampling head (10).

3. A cleaning device for a sampling probe of a coal sampling machine entering a plant according to claim 1, characterized in that the inner side wall of the frame body (1) is connected with a lifting platform (3) through a lifting assembly, the top of the inner side wall of the lifting platform (3) is fixedly connected with a power box (7), the top of the power box (7) is fixedly connected with a servo motor (8), the top of the power box (7) is fixedly connected with an oil pump (9), and the oil pump (9) is arranged at the adjacent position of the servo motor (8).

4. The cleaning device for the sampling probe of the coal sampling machine entering the factory as claimed in claim 3, wherein the lifting assembly comprises a guide rail (6) fixedly connected with the inner side wall of the frame body (1), a sliding rod (5) is attached to the outer side wall of the guide rail (6), a hydraulic machine (4) is fixedly connected with the outer side wall of the sliding rod (5), and the bottom of the hydraulic machine (4) is fixedly connected with the top of the inner side wall of the lifting platform (3).

5. The cleaning device for the sampling probe of the coal sampling machine entering the factory as claimed in claim 3, wherein the top of the piston (12) is fixedly connected with the bottom of the oil pump (9), the top of the sampling head (10) is fixedly connected with the bottom of the power box (7), and the top of the outer ring (13) is fixedly connected with the bottom of the lifting platform (3).

6. The cleaning device for the sampling probe of the coal sampling machine entering the factory as claimed in claim 2, wherein the end of the connecting pipe (17) is arranged opposite to the inner arc surface of the blade (14), the outer side wall of the blade (14) is connected with the inner side wall of the sampling head (10) in a sliding manner, and a plurality of through holes are formed in the position of the sampling head (10) opposite to the end of the connecting pipe (17).