Automatic cleaning chute tube for mechanical sampling and sample preparation

Abstract

The utility model provides an automatic cleaning chute tube for mechanical sampling and preparation, and relates to the technical field of mechanical sampling and preparation. An automatic cleaning chute tube for mechanical sampling and preparation comprises a rotary divider and an automatic cleaning chute tube, the automatic cleaning chute tube comprises a chute tube and an automatic cleaning mechanism, the chute tube is fixedly communicated with the inlet end of the rotary divider, and the automatic cleaning mechanism comprises a cleaning assembly installed in the chute tube. And the sweeping assembly comprises a main rotating shaft rotationally connected to the interior of the chute barrel. According to the automatic cleaning chute tube for mechanical sampling and preparation, in the mechanical sampling and preparation operation process, the driving assembly is used for driving the main rotating shaft to rotate, so that the scraping plate cleans the inner wall of the short tube of the chute tube, the influence of short tube blockage of the chute tube on production is prevented, and meanwhile, the influence of coal accumulation in the short tube of the chute tube on the quality of a coal sample is avoided; and stable operation of production is ensured, the structure is simple, the design is reasonable, and mounting, dismounting and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to an automatic cleaning chute, in particular to an automatic cleaning chute for mechanized sampling and preparation, and belongs to the technical field of mechanized sampling and preparation. Background Art

[0002] Mechanized sampling systems are widely used for sampling in the middle of belt conveyors. During the operation of the mechanized sampling system, if the material is relatively wet and sticky, it is easy to cause the short pipe at the connection between the chute and the rotary divider to be blocked, thereby causing the system to shut down and affecting the mechanized sampling operation.

[0003] The current practice is to manually open the chute observation window for cleaning. Although this method can make the mechanized sampling system operate again, the cleaning time is long and the coal accumulation on the inner wall of the chute short tube is likely to affect the accuracy of the coal sample. For this reason, the utility model provides a mechanized sampling automatic cleaning chute. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to provide a mechanized sampling automatic cleaning chute in order to solve the above-mentioned problem. The chute can clean the inner wall of the chute short tube in real time during the mechanized sampling operation, which can prevent the chute short tube from being blocked and affecting production, and can also avoid the influence of coal accumulation in the chute short tube on the quality of coal samples.

[0006] (II) Technical solution

[0007] The utility model is implemented through the following technical scheme: a mechanized sampling and automatic cleaning chute, including a rotary reducer and an automatic cleaning chute, the automatic cleaning chute includes a chute and an automatic cleaning mechanism, the chute is fixedly connected to the inlet end of the rotary reducer, the automatic cleaning mechanism includes a cleaning component installed inside the chute, the cleaning component includes a main rotating shaft rotatably connected to the inside of the chute, one end of the main rotating shaft is fixedly connected to a scraper for cleaning the inner wall of the chute, the automatic cleaning mechanism also includes a driving component fixed on the chute to drive the cleaning component to rotate, the scraper includes a connecting seat and a scraper head fixed at one end of the main rotating shaft, and the connecting seat and the scraper head are connected by connecting bolts.

[0008] Preferably, a bearing fixing frame is fixedly connected to the inside of the chute, a bearing seat is fixedly connected to the bearing fixing frame, and the main rotating shaft is fixedly connected to the inner ring of the bearing seat. The bearing fixing frame and the bearing seat are provided to support the main rotating shaft to rotate inside the chute.

[0009] Preferably, the driving assembly includes a reduction motor, two sprockets and a chain. The two sprockets are fixedly connected to the output shaft end of the reduction motor and the top of the main shaft respectively. The two sprockets are connected by chain transmission. A gap for chain transmission is provided on the chute. The reduction motor is started to drive one sprocket to rotate, and the main shaft is driven to rotate inside the chute under the action of the two sprockets and the chain.

[0010] Preferably, the automatic cleaning mechanism further comprises a motor fixing plate fixed on the chute, the reduction motor is fixedly connected to the motor fixing plate, and the reduction motor is installed and fixed by the motor fixing plate.

[0011] Preferably, a protective cover is fixedly connected to the motor fixing plate, one end of the protective cover is fixedly connected to the chute, and the protective cover is connected to the chute through a notch, so that the exposed parts of the chain and sprocket are protected.

[0012] Preferably, the connecting bolt slides inside the scraper head, a connecting screw hole matched with the connecting bolt is opened on one side of the connecting seat, one end of the connecting bolt is threadedly connected to the inside of the connecting screw hole, a side groove is opened on one side of the scraper head, and the nut end of the connecting bolt is placed inside the side groove. The connecting seat and the scraper head are connected and combined together by the arranged connecting bolt, and the overall width of the scraper is adjusted by rotating the connecting bolt, so that the scraper can fit against the inner wall of the short tube of the chute.

[0013] Preferably, a connecting slide rod is fixedly connected to one side of the scraper head, a connecting slide groove is opened on one side of the connecting seat, one end of the connecting slide rod slides inside the connecting slide groove, and a spring is fixedly connected inside the connecting slide groove. The scraper head can stably slide on one end of the connecting seat through the provided connecting slide rod and connecting slide groove. Under the action of the spring force, the scraper head and the inner wall of the chute are in a tight state, thereby improving the cleaning effect of the inner wall of the chute.

[0014] The utility model provides a mechanized sampling and automatic cleaning chute, which has the following beneficial effects:

[0015] 1. The utility model can drive the main shaft to rotate through the driving assembly during the mechanized sampling process to make the scraper clean the inner wall of the short tube of the chute, thereby preventing the clogging of the short tube of the chute from affecting production, and at the same time avoiding the accumulation of coal in the short tube of the chute from affecting the quality of the coal sample, thus ensuring the stable operation of production. It has the advantages of simple structure, reasonable design, convenient installation and disassembly, and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the use position of the chute of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model chute;

[0018] Figure 3 It is a schematic diagram of the overall structure of the automatic cleaning mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the scraper structure of the utility model.

[0020]

Main component symbol description

[0021] 1. Automatic cleaning chute; 2. Rotary reducer; 3. Bearing fixing frame; 4. Chute; 5. Automatic cleaning mechanism; 7. Cleaning assembly; 8. Chain; 9. Sprocket; 10. Bearing seat; 11. Main shaft; 12. Scraper; 121. Connecting seat; 122. Scraper head; 123. Connecting bolt; 124. Connecting screw hole; 125. Connecting slide rod; 126. Connecting slide groove; 127. Side groove; 13. Protective cover; 14. Motor fixing plate; 15. Reducer motor. DETAILED DESCRIPTION

[0022] The utility model embodiment provides a mechanized sampling and automatic cleaning chute.

[0023] See also Figure 1 , Figure 2 and Figure 3 A mechanized sampling and automatic cleaning chute includes a rotary reducer 2 and an automatic cleaning chute 1. The automatic cleaning chute 1 includes a chute 4 and an automatic cleaning mechanism 5. The chute 4 is fixedly connected to the inlet end of the rotary reducer 2. The automatic cleaning mechanism 5 includes a cleaning component 7 installed inside the chute 4. The cleaning component 7 is used to clean the inner wall of the short tube of the chute 4.

[0024] Please refer again Figure 2 and Figure 3 The cleaning component 7 includes a main rotating shaft 11 rotatably connected to the inside of the chute 4, a bearing fixing frame 3 is fixedly connected to the inside of the chute 4, a bearing seat 10 is fixedly connected to the bearing fixing frame 3, the main rotating shaft 11 is fixedly connected to the inner ring of the bearing seat 10, the main rotating shaft 11 is supported by the provided bearing seat 10 and the bearing fixing frame 3 to rotate inside the bearing fixing frame 3, one end of the main rotating shaft 11 is fixedly connected to a scraper 12 for cleaning the inner wall of the chute 4, by driving the main rotating shaft 11 to rotate inside the chute 4, the scraper 12 is used to clean the inner wall of the short tube of the chute 4 to prevent the short tube of the chute 4 from being blocked and affecting the production, and the lower part of the scraper 12 is inserted into the entrance of the rotary reducer 2.

[0025] Please refer again Figure 1 , Figure 2 and Figure 3 The automatic cleaning mechanism 5 also includes a driving assembly fixed on the chute 4 to drive the cleaning assembly 7 to rotate. The driving assembly includes a reduction motor 15, two sprockets 9 and a chain 8. The two sprockets 9 are respectively fixedly connected to the output shaft end of the reduction motor 15 and the top of the main shaft 11. The two sprockets 9 are connected by the chain 8. By starting the reduction motor 15, the main shaft 11 inside the chute 4 is driven to rotate under the action of the two sprockets 9 and the chain 8, so that the cleaning assembly 7 cleans the chute 4.

[0026] Please refer again Figure 1 , Figure 2 and Figure 3 A notch is provided on the chute 4 for the chain 8 to drive. The automatic cleaning mechanism 5 also includes a motor fixing plate 14 fixed on the chute 4. The reduction motor 15 is fixedly connected to the motor fixing plate 14. A protective cover 13 is fixedly connected to the motor fixing plate 14. One end of the protective cover 13 is fixedly connected to the chute 4. The protective cover 13 is connected to the chute 4 through the notch. The notch enables the protective cover 13 to be connected to the chute 4 to enable the chain 8 to be driven, and the protective cover 13 has the function of protecting the chain 8 and the sprocket 9. The reduction motor 15 is installed and fixed by the motor fixing plate 14.

[0027] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 4 The scraper 12 includes a connecting seat 121 and a scraper head 122 fixed at one end of the main rotating shaft 11. The connecting seat 121 and the scraper head 122 are connected by a connecting bolt 123. The connecting bolt 123 slides inside the scraper head 122. A connecting screw hole 124 adapted to the connecting bolt 123 is provided on one side of the connecting seat 121. One end of the connecting bolt 123 is threadedly connected to the inside of the connecting screw hole 124. A side groove 127 is provided on one side of the scraper head 122. The nut at one end of the connecting bolt 123 is screwed through the side groove 127 to drive one end of the connecting bolt 123 to retract or extend into the inside of the connecting screw hole 124, thereby adjusting the scraper. The initial length value of 12 is designed to adapt to chutes 4 of different sizes. The nut end of the connecting bolt 123 is placed inside the side groove 127. A connecting slide rod 125 is fixedly connected to one side of the scraper head 122. A connecting slide groove 126 is provided on one side of the connecting seat 121. One end of the connecting slide rod 125 slides inside the connecting slide groove 126. A spring is fixedly connected inside the connecting slide groove 126. The connecting slide rod 125 and the connecting slide groove 126 are arranged to make the scraper head 122 stably slide on one end of the connecting seat 121. Under the action of the spring force, the scraper head 122 is pressed against the inner wall of the chute 4, thereby improving the cleaning effect of the inner wall of the chute 4.

[0028] Working principle: By starting the reduction motor 15, the main shaft 11 is driven to rotate inside the chute 4 under the action of the two sprockets 9 and the chain 8, and the inner wall of the short tube of the chute 4 is cleaned by the scraper 12 to prevent the blockage of the short tube of the chute 4 from affecting the production, and at the same time avoid the accumulation of coal in the short tube of the chute 4 to affect the quality of the coal sample, ensuring the stable operation of the production, with the advantages of simple structure, reasonable design, convenient installation and disassembly, and maintenance.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A mechanized sampling and automatic cleaning chute, comprising a rotary divider (2) and an automatic cleaning chute (1), characterized in that: The automatic cleaning chute (1) comprises a chute (4) and an automatic cleaning mechanism (5), wherein the chute (4) is fixedly connected to the inlet end of the rotary reducer (2), and the automatic cleaning mechanism (5) comprises a cleaning component (7) installed inside the chute (4), wherein the cleaning component (7) comprises a main rotating shaft (11) rotatably connected inside the chute (4), and one end of the main rotating shaft (11) is fixedly connected to a scraper (12) for cleaning the inner wall of the chute (4), and the automatic cleaning mechanism (5) further comprises a driving component fixed on the chute (4) for driving the cleaning component (7) to rotate, and the scraper (12) comprises a connecting seat (121) and a scraper head (122) fixed to one end of the main rotating shaft (11), and the connecting seat (121) and the scraper head (122) are connected by a connecting bolt (123).

2. The mechanized sampling and automatic cleaning chute according to claim 1 is characterized by: The interior of the chute (4) is fixedly connected to a bearing fixing frame (3), the bearing fixing frame (3) is fixedly connected to a bearing seat (10), and the main rotating shaft (11) is fixedly connected to the inner ring of the bearing seat (10).

3. The mechanized sampling and automatic cleaning chute according to claim 1 is characterized by: The driving assembly comprises a reduction motor (15), two sprockets (9) and a chain (8); the two sprockets (9) are respectively fixedly connected to the output shaft end of the reduction motor (15) and the top of the main shaft (11); the two sprockets (9) are connected by the chain (8); and a notch for the chain (8) to drive is provided on the chute (4).

4. The mechanized sampling and automatic cleaning chute according to claim 3 is characterized by: The automatic cleaning mechanism (5) further comprises a motor fixing plate (14) fixed on the chute (4), and the reduction motor (15) is fixedly connected to the motor fixing plate (14).

5. The mechanized sampling and automatic cleaning chute according to claim 4 is characterized by: A protective cover (13) is fixedly connected to the motor fixing plate (14), one end of the protective cover (13) is fixedly connected to the chute (4), and the protective cover (13) is connected to the chute (4) through a notch.

6. The mechanized sampling and automatic cleaning chute according to claim 1 is characterized by: The connecting bolt (123) slides inside the scraper head (122); a connecting screw hole (124) matching the connecting bolt (123) is provided on one side of the connecting seat (121); one end of the connecting bolt (123) is threadedly connected inside the connecting screw hole (124); a side groove (127) is provided on one side of the scraper head (122); and the nut end of the connecting bolt (123) is placed inside the side groove (127).

7. The mechanized sampling and automatic cleaning chute according to claim 1 is characterized by: A connecting slide rod (125) is fixedly connected to one side of the scraper head (122), a connecting slide groove (126) is provided on one side of the connecting seat (121), one end of the connecting slide rod (125) slides inside the connecting slide groove (126), and a spring is fixedly connected inside the connecting slide groove (126).

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