Coal flow speed regulation device

Abstract

The utility model relates to the technical field of coal flow speed regulation, in particular to a coal flow speed regulation device which comprises a mounting plate and a threaded rod, a second supporting plate is welded at the upper end of the mounting plate, a threaded column is rotatably mounted at the upper end of the second supporting plate, and a first supporting beam and a second supporting beam are respectively mounted on the outer side of the threaded column in a threaded manner. A top plate is installed at the upper ends of the first supporting beam and the second supporting beam, a control box is arranged at the side end of the first supporting beam, a PLC is arranged in the control box, the threaded rod is rotationally installed between the first supporting beam and the second supporting beam, a movable block is installed on the threaded rod in a threaded mode, and a coal quantity monitoring sensor is installed at the lower end of the movable block. The coal conveying device has the advantages that the quantity of conveyed coal can be monitored, so that the speed of the front-stage conveying belt and the speed of the rear-stage conveying belt can be adjusted, the frequency converter is subjected to speed increasing and decreasing adjustment, coal conveying on the belts is kept within the most reasonable range, and therefore a conveying system runs stably, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coal flow speed regulation, in particular to a coal flow speed regulation device. Background Art

[0002] As the underground mining working face continues to extend deeper, the transportation route of the belt conveyor continues to lengthen, and the number of belt conveyors will be set up more. When the coal flow is transported to the middle, the conveying speed of the conveyor belt cannot be adjusted according to the amount of coal, resulting in the main transportation system having problems such as unstable full-speed startup and large power loss. Utility Model Content

[0003] The purpose of the utility model is to provide a coal flow speed regulation device, which can monitor the amount of coal being transported, so as to adjust the speed of the front and rear conveyor belts, so that the frequency converter can increase or decrease the speed to keep the amount of coal transported on the belt within the most reasonable range, thereby making the transportation system run stably and saving energy, and solving the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal flow speed regulation device, comprising a mounting plate and a threaded rod, wherein the mounting plate is provided with two symmetrically distributed ones, a second support plate is welded to the upper end of the mounting plate, a threaded column is rotatably installed on the upper end of the second support plate, a first support beam and a second support beam are respectively threadedly installed on the outer side of the threaded column, a top plate is installed on the upper ends of the first support beam and the second support beam, a control box is provided at the side end of the first support beam, a PLC controller is provided in the control box, the threaded rod is rotatably installed between the first support beam and the second support beam, a movable block is threadedly installed on the threaded rod, and a coal quantity monitoring sensor is installed at the lower end of the movable block.

[0005] When using the coal flow speed regulating device of the utility model,

[0006] The utility model is installed on the coal mine conveying equipment through a mounting plate. The coal mine conveying system is connected to the PLC controller. The threaded column can be rotated by the operation of the first driving device, and the first support beam and the second support beam can be raised or lowered, and the height of the coal quantity monitoring sensor can be adjusted. During coal mine transportation, the coal quantity is detected by the coal quantity monitoring sensor. The coal quantity monitoring sensor can calculate the 2D profile by the time difference between sending and receiving laser pulses, and then generate a reliable volume flow signal in combination with the conveyor belt speed, and transmit the data to the PLC controller for data analysis to determine the coal quantity. The speed of the conveyor belt variable frequency drive device is controlled by the PLC controller according to the coal flow and coal quantity, so as to perform speed regulation. When the coal quantity monitoring sensor detects, the threaded rod can be rotated by the operation of the second driving device, and the left and right positions of the coal quantity monitoring sensor can be adjusted with the cooperation of the movable block, so as to cooperate in the coal flow and coal quantity detection work.

[0007] Preferably, a side end of the mounting plate is provided with mounting holes, and two mounting holes are provided and are symmetrically distributed.

[0008] Preferably, threaded holes are provided at the lower ends of the first support beam and the second support beam, and the threaded columns are located in the threaded holes.

[0009] Preferably, a box door is installed at the front end of the control box, and a handle is installed at the front end of the box door.

[0010] Preferably, a first supporting plate is welded to the side end of the mounting plate, a first driving device is mounted on the upper end of the first supporting plate, and a main shaft of the first driving device is connected to the axis of the threaded column.

[0011] Preferably, a limiting slide groove is provided on the lower end surface of the top plate, and a limiting slider is installed on the upper end of the movable block, and the limiting slider is slidably installed in the limiting slide groove.

[0012] Preferably, a second driving device is installed at the side end of the first support beam, and the main shaft of the second driving device is connected to the axis of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: a sensor based on the time flight principle is used, and the 2D profile can be calculated by the time difference between sending and receiving laser pulses. Then, combined with the conveyor belt speed, a reliable volume flow signal can be generated. By judging the amount of coal, the data is transmitted to the PLC for data analysis and processing. Combined with the motor current, the operation conditions of the front and rear belts are comprehensively analyzed, and finally a speed adjustment plan is made for the belt inverter. After the comprehensive data is analyzed, the PLC sends a speed regulation command to the inverter to increase or decrease the speed so that the amount of coal transport on the belt is kept within the most reasonable range. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0016] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0017] The reference numerals and names in the figures are as follows:

[0018] 101. Mounting plate; 102. Mounting hole; 103. First support plate; 104. Second support plate; 201. Threaded column; 202. First drive device; 203. First support beam; 204. Control box; 205. Second support beam; 206. Top plate; 207. Box door; 208. Threaded hole; 209. PLC controller; 301. Threaded rod; 302. Second drive device; 303. Movable block; 304. Coal quantity monitoring sensor. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figures 1 to 3 The utility model provides an embodiment: a coal flow speed regulating device, comprising:

[0022] The mounting plate 101 and the threaded rod 301, the mounting plate 101 is provided with two symmetrically distributed ones, the second support plate 104 is welded on the upper end of the mounting plate 101, the upper end of the second support plate 104 is rotatably mounted with a threaded column 201, the upper outer side of the threaded column 201 is respectively threadedly mounted with a first support beam 203 and a second support beam 205, the upper ends of the first support beam 203 and the second support beam 205 are mounted with a top plate 206, the side end of the first support beam 203 is provided with a control box 204, the control box 204 is provided with a PLC controller 209, the threaded rod 301 is rotatably mounted between the first support beam 203 and the second support beam 205, a movable block 303 is threadedly mounted on the threaded rod 301, and a coal quantity monitoring sensor 304 is mounted on the lower end of the movable block 303, the coal quantity monitoring sensor 304 adopts a sensor based on the time-of-flight principle, and can be used for non-contact measurement of bulk volume and flow of objects on a conveyor belt.

[0023] In this embodiment, the utility model is installed on the coal mine conveying equipment through the mounting plate 101, and the coal mine conveying system is connected to the PLC controller 209. The threaded column 201 can be rotated by the operation of the first driving device 202, and the first support beam 203 and the second support beam 205 can be raised or lowered, and the height of the coal quantity monitoring sensor 304 can be adjusted. During coal mine transportation, the coal quantity is detected by the coal quantity monitoring sensor 304. The coal quantity monitoring sensor 304 can calculate the 2D profile through the time difference between sending and receiving laser pulses, and then combine with the conveyor belt speed to generate a reliable volume flow signal, and transmit the data to the PLC controller 209 for data analysis to determine the coal quantity. The speed of the conveyor belt variable frequency drive device is controlled by the PLC controller 209 according to the coal flow and coal quantity, so as to perform speed regulation. When the coal quantity monitoring sensor 304 detects, the threaded rod 301 can be rotated by the operation of the second driving device 302. With the cooperation of the movable block 303, the left and right positions of the coal quantity monitoring sensor 304 can be adjusted, which can cooperate in the coal flow and coal quantity detection work.

[0024] Furthermore, a mounting hole 102 is opened at a side end of the mounting plate 101 , and two mounting holes 102 are symmetrically distributed.

[0025] Furthermore, threaded holes 208 are formed at the lower ends of the first support beam 203 and the second support beam 205 , and the threaded column 201 is located in the threaded hole 208 .

[0026] Furthermore, a box door 207 is installed at the front end of the control box 204, and a handle is installed at the front end of the box door 207.

[0027] Furthermore, a first support plate 103 is welded to the side end of the mounting plate 101, a first driving device 202 is installed on the upper end of the first supporting plate 103, and the main shaft of the first driving device 202 is connected to the axis of the threaded column 201. The first driving device 202 can make the threaded column 201 rotate clockwise or counterclockwise, and the clockwise or counterclockwise rotation of the threaded column 201 can make the first support beam 203 and the second support beam 205 move up and down.

[0028] Furthermore, a limit slot is provided on the lower end surface of the top plate 206, and a limit slider is installed on the upper end of the movable block 303, and the limit slider is slidably installed in the limit slot. The setting of the limit slider and the limit slot can make the movable block 303 move stably.

[0029] Furthermore, a second driving device 302 is installed at the side end of the first support beam 203, and the main shaft of the second driving device 302 is connected to the axis of the threaded rod 301. The second driving device 302 can make the threaded rod 301 rotate clockwise or counterclockwise, and the threaded rod 301 can make the movable block 303 move left and right along the threaded rod 301 when the threaded rod 301 rotates clockwise or counterclockwise.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A coal flow speed regulating device, comprising a mounting plate (101) and a threaded rod (301), characterized in that: The mounting plate (101) is provided with two symmetrically distributed ones. A second support plate (104) is welded to the upper end of the mounting plate (101). A threaded column (201) is rotatably mounted on the upper end of the second support plate (104). A first support beam (203) and a second support beam (205) are respectively threadedly mounted on the outer side of the threaded column (201). A top plate (206) is mounted on the upper ends of the first support beam (203) and the second support beam (205). A control box (204) is arranged at the side end of the first support beam (203). A PLC controller (209) is arranged in the control box (204). The threaded rod (301) is rotatably mounted between the first support beam (203) and the second support beam (205). A movable block (303) is threadedly mounted on the threaded rod (301). A coal quantity monitoring sensor (304) is mounted at the lower end of the movable block (303).

2. A coal flow speed regulating device according to claim 1, characterized in that: A mounting hole (102) is provided at a side end of the mounting plate (101), and two mounting holes (102) are symmetrically distributed.

3. A coal flow speed regulating device according to claim 1, characterized in that: The lower ends of the first support beam (203) and the second support beam (205) are both provided with threaded holes (208), and the threaded columns (201) are located in the threaded holes (208).

4. A coal flow speed regulating device according to claim 1, characterized in that: The front end of the control box (204) is provided with a box door (207), and the front end of the box door (207) is provided with a handle.

5. A coal flow speed regulating device according to claim 1, characterized in that: A first support plate (103) is welded to the side end of the mounting plate (101), a first drive device (202) is mounted on the upper end of the first support plate (103), and a main shaft of the first drive device (202) is connected to the axis of the threaded column (201).

6. A coal flow speed regulating device according to claim 1, characterized in that: The lower end surface of the top plate (206) is provided with a limit sliding groove, and the upper end of the movable block (303) is provided with a limit sliding block, which is slidably installed in the limit sliding groove.

7. A coal flow speed regulating device according to claim 1, characterized in that: A second driving device (302) is installed at the side end of the first supporting beam (203), and the main shaft of the second driving device (302) is connected to the axis of the threaded rod (301).

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