An automatic sampling device for coal transport trains

Abstract

This utility model relates to the field of coal testing and discloses an automatic sampling device for coal transport trains. It includes a base plate, a rotatable base connected to the top of the base plate, a slot fixedly connected to the top of the slot, a large arm rotatably connected to the top of the slot, a small arm rotatably connected to the end of the large arm away from the base, a claw head rotatably connected to the end of the small arm away from the large arm, and a cylinder fixedly connected to the end of the claw head away from the small arm. A motor is fixedly connected inside the cylinder near the end of the claw head, and a long shaft is fixedly connected to the output end of the motor. A threaded connection is fixedly attached to the outside of the long shaft. In this utility model, after sampling, water is pumped from a water tank and flushed into the cylinder through a hose, achieving a self-cleaning effect after sampling. An electric push rod drives a rack and pinion to rotate a gear, repeatedly rotating the two sample containers, thus shortening the time required to change the sample containers.

Description

Technical Field

[0001] This utility model relates to the field of coal testing, and in particular to an automatic sampling device for coal transport trains. Background Technology

[0002] The automatic sampling device for coal transport trains is mainly used to sample and test coal in coal transport cars during transportation. It has a wide range of applications in the field of coal monitoring. Its core function is to sample the coal in every train car, making the sampling more universal.

[0003] Currently, the automatic sampling devices for coal transport trains on the market mainly consist of a robotic arm and a sampling funnel. The coal in the train car is taken out through the funnel, and then the robotic arm is rotated to put the sample into a sample container and send it to the testing agency for monitoring.

[0004] Existing automatic sampling devices for coal transport trains can cause sample mixing due to repeated sampling, which in turn affects the test results. Therefore, an automatic sampling device for coal transport trains is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an automatic sampling device for coal transport trains, which aims to improve the problems of easy sample contamination and low efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automatic sampling device for coal transport trains, comprising a base plate, a base rotatably connected to the top of the base plate, a slot fixedly connected to the top of the base, a large arm rotatably connected to the top of the slot, a small arm rotatably connected to the end of the large arm away from the base, a claw head rotatably connected to the end of the small arm away from the large arm, a cylinder fixedly connected to the end of the claw head away from the small arm, a motor fixedly connected to the inside of the cylinder near the end of the claw head, a long shaft fixedly connected to the output end of the motor, a threaded connection fixedly connected to the outside of the long shaft, a water tank fixedly connected to the outside of the large arm, a water pipe fixedly connected to the outside of the water tank, a water pump fixedly connected to the outside of the small arm, the end of the water pipe away from the water tank fixedly connected to the input end of the water pump, and a flexible hose fixedly connected to the output end of the water pump.

[0007] As a further description of the above technical solution:

[0008] The base plate has a groove inside, and a round shaft is rotatably connected inside the groove. A gear is fixedly connected to the outside of the round shaft. An electric push rod is fixedly connected to the end of the groove away from the base. A rack is fixedly connected to the output end of the electric push rod. A linkage rod is fixedly connected to the outside of the round shaft. Sample containers are fixedly connected to both ends of the linkage rod.

[0009] As a further description of the above technical solution:

[0010] The rack and gear mesh.

[0011] As a further description of the above technical solution:

[0012] The sample container is rotatably connected to the top of the base plate.

[0013] As a further description of the above technical solution:

[0014] The thread abuts against the inside of the cylinder.

[0015] As a further description of the above technical solution:

[0016] The rack is slidably connected inside the groove.

[0017] As a further description of the above technical solution:

[0018] The flexible tube extends through the cylinder.

[0019] As a further description of the above technical solution:

[0020] The circular shaft is rotatably connected to the top of the base plate.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, after sampling is completed, water is pumped out of the water tank and rinsed through water pipes and hoses to clean the inside of the cylinder, preventing the sample from being contaminated by residual coal during the next sampling, thereby improving the accuracy of sample sampling and monitoring.

[0023] 2. In this utility model, the rack and pinion are driven by an electric push rod to rotate the gear, which rotates the two sample containers repeatedly, thereby shortening the time for changing sample containers and improving the efficiency of sampling. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of an automatic sampling device for coal transport trains proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the thread structure of an automatic sampling device for coal transport trains proposed in this utility model;

[0026] Figure 3 This is a schematic diagram of the groove structure of an automatic sampling device for coal transport trains proposed in this utility model;

[0027] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0028] Legend:

[0029] 1. Base plate; 2. Base; 3. Upper arm; 4. Lower arm; 5. Claw head; 6. Cylinder; 7. Water tank; 8. Water pump; 9. Water pipe; 10. Hose; 11. Slot; 12. Motor; 13. Long shaft; 14. Thread; 15. Groove; 16. Round shaft; 17. Gear; 18. Rack; 19. Electric push rod; 20. Linkage rod; 21. Sample container. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figures 1-3 This utility model provides an embodiment of an automatic sampling device for coal transport trains, comprising a base plate 1, a base 2 rotatably connected to the top of the base plate 1, a slot 11 fixedly connected to the top of the base 2, a large arm 3 rotatably connected to the top of the slot 11, the large arm 3 being rotatably rotatable around the slot 11, a small arm 4 rotatably connected to the end of the large arm 3 away from the base 2, and a claw 5 rotatably connected to the end of the small arm 4 away from the large arm 3. The large arm 3, small arm 4, and claw 5 work together to enable the sampling device to perform large-area sampling. A cylinder 6 is fixedly connected to the end of the claw 5 away from the small arm 4. The cylinder 6 contains... A motor 12 is fixedly connected to one end near the claw 5. A long shaft 13 is fixedly connected to the output end of the motor 12. The motor 12 can drive the long shaft 13 to rotate. A thread 14 is fixedly connected to the outside of the long shaft 13. The long shaft 13 can drive the thread 14 to rotate. A water tank 7 is fixedly connected to the outside of the upper arm 3. A water pipe 9 is fixedly connected to the outside of the water tank 7. A water pump 8 is fixedly connected to the outside of the lower arm 4. The end of the water pipe 9 away from the water tank 7 is fixedly connected to the input end of the water pump 8. A hose 10 is fixedly connected to the output end of the water pump 8. Water in the water tank 7 is pumped out by the water pump 8 to rinse the inside of the cylinder 6.

[0032] Reference Figures 2-4The base plate 1 has a groove 15 inside, and a round shaft 16 is rotatably connected inside the groove 15. A gear 17 is fixedly connected to the outside of the round shaft 16. An electric push rod 19 is fixedly connected to the end of the groove 15 away from the base 2. A rack 18 is fixedly connected to the output end of the electric push rod 19. A linkage rod 20 is fixedly connected to the outside of the round shaft 16. Sample containers 21 are fixedly connected to both ends of the linkage rod 20. The electric push rod 19 pushes and pulls the rack 18. The rack 18 moves in the groove 15, which drives the gear 17 to rotate. The gear 17 drives the round shaft 16 to rotate, which in turn drives the linkage rod 20 to rotate, causing the sample container 21 to rotate around the round shaft 16.

[0033] Reference Figure 4 When rack 18 and gear 17 mesh, rack 17 moves, and gear 18 can be driven.

[0034] Reference Figure 1 The sample container 21 is rotatably connected to the top of the base plate 1, and the base plate 1 makes the rotation of the sample container 21 more stable.

[0035] Reference Figures 1-2 The thread 14 abuts against the inside of the cylinder 6 to prevent the sample from falling out of the cylinder 6 and to increase sampling stability.

[0036] Reference Figures 2-4 The rack 18 is slidably connected inside the groove 15 to prevent the rack 18 from shifting position during sliding.

[0037] Reference Figures 1-3 The hose 10 passes through the cylinder 6, and the water flow is injected from the outside of the cylinder 6 into the thread 14.

[0038] Reference Figures 2-4 The circular shaft 16 is rotatably connected to the top of the base plate 1, and the rotation of the circular shaft 16 drives the linkage rod 20 to rotate.

[0039] Working principle: During sampling, the cylinder 6 is inserted into the sample, the motor 12 is turned on, the motor 12 drives the long shaft 13 to rotate, which in turn drives the thread 14 to rotate. The rotating thread 14 transports the sample along the inner wall of the cylinder 6 to the inside of the cylinder 6. The base 2 is rotated to align the cylinder 6 with the sample container 21. The motor 12 is reversed to release the sample. The electric push rod 19 is turned on to push the rack 18 to move, which drives the gear 17 to rotate, so that the sample container 21 rotates. The empty sample container 21 is pushed into place, saving sampling time.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic sampling device for coal transport trains, comprising a base plate (1), characterized in that: The base plate (1) is rotatably connected to the top of the base (2), and the top of the base (2) is fixedly connected to the top of the slot (11). The top of the slot (11) is rotatably connected to the upper arm (3). The end of the upper arm (3) away from the base (2) is rotatably connected to the lower arm (4). The end of the lower arm (4) away from the upper arm (3) is rotatably connected to the claw head (5). The end of the claw head (5) away from the lower arm (4) is fixedly connected to the cylinder (6). The end of the cylinder (6) near the claw head (5) is fixedly connected to... The motor (12) has a long shaft (13) fixedly connected to its output end. The long shaft (13) has a thread (14) fixedly connected to its exterior. The upper arm (3) has a water tank (7) fixedly connected to its exterior. The water tank (7) has a water pipe (9) fixedly connected to its exterior. The lower arm (4) has a water pump (8) fixedly connected to its exterior. The end of the water pipe (9) away from the water tank (7) is fixedly connected to the input end of the water pump (8). The output end of the water pump (8) is fixedly connected to a flexible hose (10).

2. The automatic sampling device for coal transport trains according to claim 1, characterized in that: The base plate (1) has a groove (15) inside, and a round shaft (16) is rotatably connected inside the groove (15). A gear (17) is fixedly connected to the outside of the round shaft (16). An electric push rod (19) is fixedly connected to one end of the groove (15) away from the base (2). A rack (18) is fixedly connected to the output end of the electric push rod (19). A linkage rod (20) is fixedly connected to the outside of the round shaft (16). Sample containers (21) are fixedly connected to both ends of the linkage rod (20).

3. The automatic sampling device for coal transport trains according to claim 2, characterized in that: The rack (18) and gear (17) mesh.

4. The automatic sampling device for coal transport trains according to claim 2, characterized in that: The sample container (21) is rotatably connected to the top of the base plate (1).

5. The automatic sampling device for coal transport trains according to claim 1, characterized in that: The thread (14) abuts against the inside of the cylinder (6).

6. An automatic sampling device for coal transport trains according to claim 2, characterized in that: The rack (18) is slidably connected inside the groove (15).

7. The automatic sampling device for coal transport trains according to claim 1, characterized in that: The hose (10) passes through the cylinder (6).

8. An automatic sampling device for coal transport trains according to claim 2, characterized in that: The circular shaft (16) is rotatably connected to the top of the base plate (1).

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