阅读说明：本技术 带式输送机调偏托辊及其使用方法 (Deviation adjusting carrier roller of belt conveyor and using method thereof ) 是由 王纪锋 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种带式输送机调偏托辊及其使用方法,包括多轴可调角调偏托辊、调偏托辊驱动机构和调偏托辊控制机构,调偏托辊驱动机构包括安装于控制主支架上的电动推杆和安装于电动推杆上方的测距探头,电动推杆的一端固定于控制主支架上,电动推杆的另一端连接推杆闭合端,推杆开口端的两个支杆分别固定于水平托辊的托辊支架上；调偏托辊控制机构包括控制箱,控制箱通过测距探头控制信号线连接测距探头,控制箱通过电动推杆控制信号线连接电动推杆；本发明中测距探头测出输送带跑偏的具体距离,控制箱对输送带跑偏的距离进行分析,电动推杆按控制箱的指令执行伸出或收缩一定距离,从而电动推杆带动多轴可调角调偏托辊进行纠偏。(The invention discloses a belt conveyor deviation-adjusting carrier roller and a using method thereof, and the belt conveyor deviation-adjusting carrier roller comprises a multi-shaft angle-adjustable deviation-adjusting carrier roller, a deviation-adjusting carrier roller driving mechanism and a deviation-adjusting carrier roller control mechanism, wherein the deviation-adjusting carrier roller driving mechanism comprises an electric push rod arranged on a control main bracket and a distance measuring probe arranged above the electric push rod, one end of the electric push rod is fixed on the control main bracket, the other end of the electric push rod is connected with the closed end of the push rod, and two support rods at the opening end of the push rod are respectively fixed on a carrier roller bracket of a horizontal carrier roller; the offset carrier roller control mechanism comprises a control box, the control box is connected with a distance measuring probe through a distance measuring probe control signal line, and the control box is connected with an electric push rod through an electric push rod control signal line; the distance measuring probe measures the specific deviation distance of the conveyer belt, the control box analyzes the deviation distance of the conveyer belt, and the electric push rod stretches out or contracts for a certain distance according to the instruction of the control box, so that the electric push rod drives the multi-shaft adjustable-angle deviation adjusting carrier roller to correct the deviation.)

1. The utility model provides a belt conveyor transfer bearing roller that deviates from, its characterized in that: comprises a multi-shaft angle-adjustable deviation-adjusting carrier roller (1), a deviation-adjusting carrier roller driving mechanism and a deviation-adjusting carrier roller control mechanism,

the deviation-adjusting carrier roller driving mechanism comprises an electric push rod (16) arranged on the main control bracket (20) and a distance-measuring probe (30) arranged above the electric push rod (16), one end of the electric push rod (16) is fixed on the main control bracket (20), the other end of the electric push rod (16) is connected with the closed end of a push rod (6), and two support rods at the opening end of the push rod (6) are respectively fixed on a carrier roller bracket (119) of a horizontal carrier roller (111) in the multi-axis angle-adjustable deviation-adjusting carrier roller (1);

the deviation-adjusting carrier roller control mechanism comprises a control box (101), the control box (101) is connected with a distance-measuring probe (30) through a distance-measuring probe control signal line (102), and the control box (101) is connected with an electric push rod (16) through an electric push rod control signal line (104).

2. The belt conveyor deflection-adjusting idler of claim 1, wherein: the multi-shaft angle-adjustable deviation-adjusting carrier roller (1) comprises a deviation-adjusting carrier roller horizontal carrier roller (111), a deviation-adjusting carrier roller shifting fork mechanism (112), a deviation-adjusting carrier roller deviation-adjustable side carrier roller (113), a deviation-adjusting carrier roller side candle roller (114), a deviation-adjusting carrier roller bracket (115), a deviation-adjusting carrier roller side carrier roller rotating device (116), a deviation-adjusting carrier roller middle rotating device (117) and a deviation-adjusting carrier roller horizontal carrier roller rotating device (118); the automatic deviation adjusting device is characterized in that a deviation adjusting carrier roller horizontal carrier roller (111) is installed on a deviation adjusting carrier roller support (115) through a deviation adjusting carrier roller horizontal carrier roller rotating device (118), a deviation adjusting carrier roller shifting fork mechanism (112) is installed on the deviation adjusting carrier roller support (115) through a deviation adjusting carrier roller middle rotating device (117), deviation adjusting carrier roller angle-adjustable side carrier rollers (113) are installed on the deviation adjusting carrier roller support (115) through deviation adjusting carrier roller side carrier roller rotating devices (116), the deviation adjusting carrier roller shifting fork mechanism (112), the deviation adjusting carrier roller angle-adjustable side carrier rollers (113) and the deviation adjusting carrier roller side candle rollers (114) are two groups and are symmetrically distributed on two sides of the deviation adjusting carrier roller horizontal carrier roller (111), and carrier roller supports (119) are arranged at the bottom of the horizontal carrier roller (111).

3. The belt conveyor deflection-adjusting idler of claim 1, wherein: electric putter (16) are fixed in on control main support (20) through electric putter mount pad (11), the go-between of electric putter (16) one end passes the vertical pole that is located on electric putter mount pad (11) to through electric putter go-between fixation nut (33) fixed connection, electric putter mount pad fixing bolt (12) are supreme from bottom to top to pass control main support (20), the bottom plate of electric putter mount pad (11), electric putter mount pad fixation washer (14), electric putter mount pad fixation spring washer (15) and electric putter mount pad fixation nut (13) in proper order.

4. The belt conveyor deflection-adjusting idler of claim 1, wherein: one end of the control main support (20) is connected with one end of the baffle (26) through the support rod (10), the other end of the control main support (20) is connected with the other end of the baffle (26) through the baffle mounting seat (21), the baffle (26) is supported above the electric push rod (16), and the distance measuring probe (30) is mounted on the baffle (26).

5. The belt conveyor deflection-adjusting idler of claim 4, wherein: the baffle mounting seat fixing bolt (17) sequentially penetrates through the control main bracket (20), the lower bottom plate of the baffle mounting seat (21), the baffle mounting seat fixing tooth-shaped gasket (19) and the baffle mounting seat fixing nut (18) from bottom to top;

the baffle fixing bolt (22) sequentially penetrates through the baffle fixing washer (24), the baffle fixing spring washer (25), the baffle (26), the upper top plate of the baffle mounting seat (21) and the baffle fixing bolt (22) from top to bottom.

6. The belt conveyor deflection-adjusting idler of claim 5, wherein: the lower end of the support rod (10) is fixed on the side wall of the main control bracket (20), the upper end of the support rod (10) is fixed on the side wall of the baffle plate (26), and the upper end and the lower end of the support rod (10) are fixed by a support rod fixing bolt (7), a support rod fixing nut (8) and a support rod fixing tooth-shaped gasket (9);

the two groups of support rods (10) are symmetrically distributed on two opposite sides of the main control bracket (20).

7. The belt conveyor deflection-adjusting idler of claim 4, wherein: the distance measuring probe fixing bolt (27) sequentially penetrates through the distance measuring probe fixing washer (28), the distance measuring probe fixing spring washer (29), the distance measuring probe (30) and the baffle (26) from top to bottom.

8. The belt conveyor deflection-adjusting idler of claim 1, wherein: the push rod (6) is in a V shape, one end of the push rod is closed, and the other end of the push rod is opened;

the push rod fixing pin (31) is sequentially inserted into the connecting holes at the closed end of the push rod (6) and one end of the electric push rod (16) from top to bottom, and a push rod fixing cotter pin (32) is further arranged on the push rod fixing pin (31);

the push rod fixing bolt (2) is inserted into the push rod fixing washer (4), the push rod fixing spring washer (5), the open end of the push rod (6), the carrier roller bracket (119) and the push rod fixing nut (3) from top to bottom in sequence.

9. The belt conveyor deflection-adjusting idler of claim 1, wherein: the control box (101) is externally connected with a power supply through a power line (103).

10. The use method of the belt conveyor deflection regulating idler according to any one of claims 1-9, characterized in that: conveyer belt (201) on conveyer belt mounting bracket (202) are through multiaxis angle modulation tuningout bearing roller (1) motion, conveyer belt (201) are at the motion in-process, and the specific distance of conveyer belt off tracking is measured to range probe (30), and distance information feeds back to control box (101), and control box (101) give out the instruction and give electric putter (16), and control electric putter (16) stretch out or shrink simultaneously, thereby electric putter (16) drive multiaxis angle modulation tuningout bearing roller through push rod (6) and rectify a deviation.

Technical Field

The invention belongs to the technical field of deviation adjusting carrier rollers, and particularly relates to a deviation adjusting carrier roller of a belt conveyor and a using method thereof.

Background

In the existing industries of cement, metallurgy, chemical industry, coal, electric power, mine, coking, steel and the like, a belt conveyor is often adopted for transportation in the process of transporting materials (such as coal, ore and the like).

In the industry of the conveyor in China, because the conveying belt of the belt conveyor deviates in the material conveying process, the conveying capacity is reduced, the materials overflow, and even the machine needs to be stopped and overhauled seriously due to the deviation, so that a large amount of manpower, material resources and financial resources are wasted. The present invention is designed to solve this phenomenon. Can be widely used in the industries of cement, metallurgy, chemical industry, coal, electric power, mine, coking, steel and the like.

In the case of such transported materials, conveyor belt off tracking is a common phenomenon. Therefore, in order to solve the problem, various deviation adjusting devices are designed and produced by many manufacturers. However, the deviation state of the conveying belt is complex, so that a less ideal condition occurs in the deviation rectifying process, and in order to better rectify the deviation of the conveying belt, the intelligent deviation rectifying carrier roller is invented on the basis of a multi-shaft automatic deviation rectifying carrier roller (patent number 2016208172833) and an angle-adjustable automatic deviation rectifying carrier roller (patent number 2019205571356) of a belt conveyor.

Disclosure of Invention

The invention provides a belt conveyor offset adjusting carrier roller and a using method thereof, and aims to solve the problems in the prior art.

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

a belt conveyor deviation-adjusting carrier roller, which comprises a multi-shaft deviation-adjusting carrier roller 1 with an adjustable angle, a deviation-adjusting carrier roller driving mechanism and a deviation-adjusting carrier roller control mechanism,

the deviation-adjusting carrier roller driving mechanism comprises an electric push rod 16 arranged on a main control bracket 20 and a distance measuring probe 30 arranged above the electric push rod 16, one end of the electric push rod 16 is fixed on the main control bracket 20, the other end of the electric push rod 16 is connected with the closed end of a push rod 6, and two support rods at the opening end of the push rod 6 are respectively fixed on a carrier roller bracket 119 of a horizontal carrier roller 111 in the multi-axis angle-adjustable deviation-adjusting carrier roller 1;

the offset carrier roller control mechanism comprises a control box 101, the control box 101 is connected with the ranging probe 30 through a ranging probe control signal line 102, and the control box 101 is connected with the electric push rod 16 through an electric push rod control signal line 104.

Further, the multi-shaft angle-adjustable deviation-adjusting idler 1 comprises a deviation-adjusting idler horizontal idler 111, a deviation-adjusting idler fork mechanism 112, a deviation-adjusting idler angle-adjustable side idler 113, a deviation-adjusting idler side candle roller 114, a deviation-adjusting idler bracket 115, a deviation-adjusting idler side idler rotating device 116, a deviation-adjusting idler middle rotating device 117 and a deviation-adjusting idler horizontal idler rotating device 118; the deviation-adjusting carrier roller horizontal carrier roller 111 is mounted on the deviation-adjusting carrier roller support 115 through the deviation-adjusting carrier roller horizontal carrier roller rotating device 118, the deviation-adjusting carrier roller shifting fork mechanism 112 is mounted on the deviation-adjusting carrier roller support 115 through the deviation-adjusting carrier roller middle rotating device 117, the deviation-adjusting carrier roller angle-adjustable side carrier rollers 113 are mounted on the deviation-adjusting carrier roller support 115 through the deviation-adjusting carrier roller side carrier roller rotating device 116, the deviation-adjusting carrier roller shifting fork mechanism 112, the deviation-adjusting carrier roller angle-adjustable side carrier rollers 113 and the deviation-adjusting carrier roller side candle rollers 114 are two groups and are symmetrically distributed on two sides of the deviation-adjusting carrier roller horizontal carrier roller 111, and the bottom of the horizontal carrier roller 111 is provided with a carrier roller support 119. The angle of the two groups of angle-adjustable side supporting rollers 113 of the multi-shaft angle-adjustable deviation-adjusting supporting roller can be adjusted to be consistent with the groove angle of the conveying belt.

Further, the electric push rod 16 is fixed on the control main support 20 through the electric push rod mounting seat 11, the connecting ring at one end of the electric push rod 16 penetrates through the vertical rod on the electric push rod mounting seat 11 and is fixedly connected through the electric push rod connecting ring fixing nut 33, and the electric push rod mounting seat fixing bolt 12 sequentially penetrates through the control main support 20, the bottom plate of the electric push rod mounting seat 11, the electric push rod mounting seat fixing washer 14, the electric push rod mounting seat fixing spring washer 15 and the electric push rod mounting seat fixing nut 13 from bottom to top.

Further, one end of the main control bracket 20 is connected with one end of a baffle 26 through a support rod 10, the other end of the main control bracket 20 is connected with the other end of the baffle 26 through a baffle mounting seat 21, the baffle 26 is supported above the electric push rod 16, and a distance measuring probe 30 is mounted on the baffle 26.

Further, the baffle mounting seat fixing bolt 17 sequentially penetrates through the control main bracket 20, the lower bottom plate of the baffle mounting seat 21, the baffle mounting seat fixing tooth-shaped gasket 19 and the baffle mounting seat fixing nut 18 from bottom to top;

the baffle fixing bolt 22 sequentially penetrates through the baffle fixing washer 24, the baffle fixing spring washer 25, the baffle 26, the upper top plate of the baffle mounting seat 21 and the baffle fixing bolt 22 from top to bottom.

Further, the lower end of the support rod 10 is fixed on the side wall of the main control bracket 20, the upper end of the support rod 10 is fixed on the side wall of the baffle 26, and the upper end and the lower end of the support rod 10 are fixed by a support rod fixing bolt 7, a support rod fixing nut 8 and a support rod fixing tooth-shaped washer 9;

the two groups of support rods 10 are symmetrically distributed on two opposite sides of the main control bracket 20.

Further, the distance measuring probe fixing bolt 27 passes through the distance measuring probe fixing washer 28, the distance measuring probe fixing spring washer 29, the distance measuring probe 30 and the baffle 26 in this order from top to bottom.

Further, the push rod 6 is in a V shape, wherein one end of the push rod is closed, and the other end of the push rod is opened;

the push rod fixing pin 31 is sequentially inserted into the connecting holes at the closed end of the push rod 6 and one end of the electric push rod 16 from top to bottom, and a push rod fixing cotter pin 32 is further arranged on the push rod fixing pin 31;

the push rod fixing bolt 2 is inserted into the push rod fixing washer 4, the push rod fixing spring washer 5, the open end of the push rod 6, the carrier roller bracket 119 and the push rod fixing nut 3 from top to bottom in sequence.

Further, the control box 101 is externally connected with a power supply through a power line 103.

A method for using a deviation-adjusting carrier roller of a belt conveyor is characterized in that a conveying belt 201 on a conveying belt mounting frame 202 moves through a multi-shaft angle-adjustable deviation-adjusting carrier roller 1, a distance measuring probe 30 measures the specific deviation distance of the conveying belt in the moving process of the conveying belt 201, the distance information is fed back to a control box 101, the control box 101 sends an instruction to an electric push rod 16, and meanwhile, the electric push rod 16 is controlled to stretch out or shrink, so that the electric push rod 16 drives the multi-shaft angle-adjustable deviation-adjusting carrier roller to correct the deviation through a push rod 6, and the size of a deviation-correcting angle a determines the size of deviation-correcting force.

Compared with the prior art, the invention has the following beneficial effects:

the distance measuring probe measures the specific deviation distance of the conveyer belt, the control box analyzes the deviation distance of the conveyer belt, and the electric push rod stretches out or contracts for a certain distance according to the instruction of the control box, so that the electric push rod drives the multi-shaft adjustable-angle deviation adjusting carrier roller to correct the deviation through the push rod, and the deviation correcting force is determined by the deviation correcting angle a.

Drawings

Figure 1 is an exploded view of the present invention,

figure 2 is a schematic diagram of the structure of the present invention,

figure 3 is a schematic view of a partial structure of the present invention,

figure 4 is a schematic connection diagram of the offset idler control mechanism of the present invention,

FIG. 5 is a schematic diagram of the overall structure of the invention;

figure 6 is a state diagram of normal operation of the belt conveyor of the present invention,

FIG. 7 is a diagram showing the state of the deviation correction of the deviation-correcting idler in the operation of the belt conveyer belt of the present invention,

figure 8 is a structural schematic diagram of the multi-shaft adjustable-angle deflection regulating carrier roller in the invention,

figure 9 is a diagram of the method steps of use of the present invention,

wherein: 1-multi-shaft adjustable angle deviation adjusting carrier roller, 2-push rod fixing bolt, 3-push rod fixing nut, 4-push rod fixing washer, 5-push rod fixing spring washer, 6-push rod, 7-support rod fixing bolt, 8-support rod fixing nut, 9-support rod fixing tooth-shaped washer, 10-support rod, 11-electric push rod mounting seat, 12-electric push rod mounting seat fixing bolt, 13-electric push rod mounting seat fixing nut, 14-electric push rod mounting seat fixing washer, 15-electric push rod mounting seat fixing spring washer, 16-electric push rod, 17-baffle mounting seat fixing bolt, 18-baffle mounting seat fixing nut, 19-baffle mounting seat fixing tooth-shaped washer, 20-control main bracket, 21-baffle mounting seat, 3-push rod fixing nut, 4-push rod fixing washer, 5-push rod fixing spring washer, 6-push rod, 7-support rod fixing bolt, 8-electric push rod mounting seat fixing spring washer, 16-electric push rod, 17-baffle mounting seat fixing bolt, 18-baffle mounting seat fixing nut, 19-baffle mounting seat fixing tooth-shaped washer, 20-control main bracket, 21-baffle mounting seat fixing nut, 3-baffle mounting seat fixing tooth-control main bracket, 22-baffle plate fixing bolt, 23-baffle plate fixing nut, 24-baffle plate fixing washer, 25-baffle plate fixing spring washer, 26-baffle plate, 27-ranging probe fixing bolt, 28-ranging probe fixing washer, 29-ranging probe fixing spring washer, 30-ranging probe, 31-push rod fixing pin, 32-push rod fixing cotter pin, 33-electric push rod connecting ring fixing nut, 101-control box, 102-ranging probe control signal line, 103-power line, 104-electric push rod control signal line, 111-offset carrier roller horizontal carrier roller, 112-offset carrier roller shifting fork mechanism, 113-offset carrier roller adjustable angle side carrier roller, 114-offset carrier roller side candle roller, 115-offset carrier roller bracket, 116-offset carrier roller side carrier roller rotating device, 117-deviation adjusting carrier roller middle rotating device, 118-deviation adjusting carrier roller horizontal carrier roller rotating device, 119-carrier roller bracket, 201-conveying belt, 202-conveying belt mounting rack and a-deviation correcting angle.

Detailed Description

The present invention will be further described with reference to the following examples.

As shown in fig. 1-4, a belt conveyor deviation-adjusting carrier roller comprises a multi-axis angle-adjustable deviation-adjusting carrier roller 1, a deviation-adjusting carrier roller driving mechanism and a deviation-adjusting carrier roller control mechanism, wherein the deviation-adjusting carrier roller driving mechanism comprises an electric push rod 16 arranged on a control main bracket 20 and a distance measuring probe 30 arranged above the electric push rod 16, one end of the electric push rod 16 is fixed on the control main bracket 20, the other end of the electric push rod 16 is connected with the closed end of a push rod 6, and two support rods at the opening end of the push rod 6 are respectively fixed on a carrier roller bracket 119 of a horizontal carrier roller 111 in the multi-axis angle-adjustable deviation-adjusting carrier roller 1; the offset carrier roller control mechanism comprises a control box 101, the control box 101 is connected with the ranging probe 30 through a ranging probe control signal line 102, the control box 101 is connected with the electric push rod 16 through an electric push rod control signal line 104, and the control box 101 is externally connected with a power supply through a power line 103.

As a preferable scheme, the electric push rod 16 is fixed on the control main bracket 20 through the electric push rod mounting seat 11, the connecting ring at one end of the electric push rod 16 penetrates through the vertical rod on the electric push rod mounting seat 11 and is fixedly connected through the electric push rod connecting ring fixing nut 33, and the electric push rod mounting seat fixing bolt 12 sequentially penetrates through the control main bracket 20, the bottom plate of the electric push rod mounting seat 11, the electric push rod mounting seat fixing washer 14, the electric push rod mounting seat fixing spring washer 15 and the electric push rod mounting seat fixing nut 13 from bottom to top.

Preferably, one end of the main control bracket 20 is connected with one end of the baffle 26 through the support rod 10, the other end of the main control bracket 20 is connected with the other end of the baffle 26 through the baffle mounting seat 21, the baffle 26 is supported above the electric push rod 16, and the distance measuring probe 30 is mounted on the baffle 26.

As a preferable scheme, the baffle mounting seat fixing bolt 17 sequentially penetrates through the control main bracket 20, the lower bottom plate of the baffle mounting seat 21, the baffle mounting seat fixing tooth-shaped gasket 19 and the baffle mounting seat fixing nut 18 from bottom to top; the baffle fixing bolt 22 sequentially penetrates through the baffle fixing washer 24, the baffle fixing spring washer 25, the baffle 26, the upper top plate of the baffle mounting seat 21 and the baffle fixing bolt 22 from top to bottom.

As a preferable scheme, the lower end of the support rod 10 is fixed on the side wall of the main control bracket 20, the upper end of the support rod 10 is fixed on the side wall of the baffle 26, and the upper end and the lower end of the support rod 10 are fixed by a support rod fixing bolt 7, a support rod fixing nut 8 and a support rod fixing tooth-shaped washer 9; the two groups of support rods 10 are symmetrically distributed on two opposite sides of the main control bracket 20.

Preferably, the distance measuring probe fixing bolt 27 passes through the distance measuring probe fixing washer 28, the distance measuring probe fixing spring washer 29, the distance measuring probe 30 and the baffle 26 from top to bottom in sequence.

As a preferable scheme, the push rod 6 is in a V-shape, wherein one end is closed, and the other end is open; the push rod fixing pin 31 is sequentially inserted into the connecting holes at the closed end of the push rod 6 and one end of the electric push rod 16 from top to bottom, and a push rod fixing cotter pin 32 is further arranged on the push rod fixing pin 31;

as a preferable scheme, the push rod fixing bolt 2 is inserted into the push rod fixing washer 4, the push rod fixing spring washer 5, the open end of the push rod 6, the carrier roller bracket 119 and the push rod fixing nut 3 from top to bottom in sequence.

As shown in fig. 8, the multi-shaft adjustable angle deviation regulating idler 1 comprises a deviation regulating idler horizontal idler 111, a deviation regulating idler fork mechanism 112, a deviation regulating idler adjustable angle side idler 113, a deviation regulating idler candle roller 114, a deviation regulating idler bracket 115, a deviation regulating idler side idler rotating device 116, a deviation regulating idler middle rotating device 117 and a deviation regulating idler horizontal idler rotating device 118; the deviation-adjusting carrier roller horizontal carrier roller 111 is mounted on the deviation-adjusting carrier roller support 115 through the deviation-adjusting carrier roller horizontal carrier roller rotating device 118, the deviation-adjusting carrier roller shifting fork mechanism 112 is mounted on the deviation-adjusting carrier roller support 115 through the deviation-adjusting carrier roller middle rotating device 117, the deviation-adjusting carrier roller angle-adjustable side carrier rollers 113 are mounted on the deviation-adjusting carrier roller support 115 through the deviation-adjusting carrier roller side carrier roller rotating device 116, the deviation-adjusting carrier roller shifting fork mechanism 112, the deviation-adjusting carrier roller angle-adjustable side carrier rollers 113 and the deviation-adjusting carrier roller side candle rollers 114 are two groups and are symmetrically distributed on two sides of the deviation-adjusting carrier roller horizontal carrier roller 111, and the bottom of the horizontal carrier roller 111 is provided with a carrier roller support 119. The angle of the two groups of angle-adjustable side supporting rollers 113 of the multi-shaft angle-adjustable deviation-adjusting supporting roller can be adjusted to be consistent with the groove angle of the conveying belt.

As shown in fig. 5-9, in a method for using a belt conveyor deflection adjusting carrier roller, a conveyor belt 201 on a conveyor belt mounting frame 202 moves through a multi-shaft adjustable angle deflection adjusting carrier roller 1, during the movement of the conveyor belt 201, a distance measuring probe 30 measures the specific distance of the deflection of the conveyor belt, and the distance information is fed back to a control box 101, the control box 101 sends an instruction to an electric push rod 16, and simultaneously controls the electric push rod 16 to extend or retract, so that the electric push rod 16 drives the multi-shaft adjustable angle deflection adjusting carrier roller to correct the deflection through a push rod 6, and the magnitude of a deflection correcting angle a determines the magnitude of a deviation correcting force.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.