阅读说明：本技术 一种用于带式输送机转弯段的纠偏装置及纠偏控制方法 (Deviation correcting device and deviation correcting control method for turning section of belt conveyor ) 是由 孙晓霞 王永琪 孟文俊 王劲翔 高澳 李琦 于 2021-11-09 设计创作，主要内容包括：本发明涉及一种用于带式输送机转弯段的纠偏装置及纠偏控制方法,特别是涉及一种输送机托辊角度调节领域的纠偏装置及纠偏控制方法。输送机在水平转弯过程中易出现输送带跑偏等问题,导致输送带磨损加剧,大幅度降低了输送带、滚筒以及托辊的使用寿命。本发明提出了一种用于输送机转弯段的纠偏装置及纠偏控制方法,可以根据输送带的跑偏量、跑偏趋势等,通过左右起升装置和推进装置的联动配合,精确、实时调节托辊槽角及抬高角,提高输送效率,降低工人劳动强度,有效避免输送带跑偏对设备造成的损坏和生产停产带来的损失。(The invention relates to a deviation correcting device and a deviation correcting control method for a turning section of a belt conveyor, in particular to a deviation correcting device and a deviation correcting control method in the field of adjustment of carrier roller angles of conveyors. Conveyer easily appears conveyer belt off tracking scheduling problem at the level turn in-process, leads to conveyer belt wearing and tearing aggravation, has reduced the life of conveyer belt, cylinder and bearing roller by a wide margin. The invention provides a deviation correcting device and a deviation correcting control method for a turning section of a conveyor, which can accurately adjust a groove angle and a raising angle of a carrier roller in real time through linkage and matching of a left lifting device, a right lifting device and a propelling device according to deviation amount, deviation trend and the like of a conveyor belt, improve conveying efficiency, reduce labor intensity of workers, and effectively avoid damage to equipment and loss caused by production stop due to deviation of the conveyor belt.)

1. A deviation correcting device and a deviation correcting control method for a turning section of a belt conveyor are characterized by comprising at least one group of turning section carrier roller group, a PLC (programmable logic controller) and at least one touch display; the carrier roller group at the turning section comprises a carrier roller body, a round hole clamping groove carrier roller frame, a high carrier roller supporting body, a low carrier roller supporting body, a carrier roller frame, a middle carrier roller frame, a lifting device, a propelling device, a rotary self-locking device, an angle displacement sensor and a displacement sensor, wherein one end of the carrier roller frame is provided with a double-ring clamping groove, the other end of the carrier roller frame is provided with a single-ring clamping groove, the carrier roller frame is provided with the high carrier roller supporting body and the low carrier roller supporting body, the high carrier roller supporting body and the low carrier roller supporting body are provided with supporting grooves, the supporting grooves are open grooves, the round hole clamping groove carrier roller frame is provided with a round clamping groove in the middle, two ends of the carrier roller frame are provided with single-ring clamping grooves, the top end of the lifting device is provided with supporting grooves, and the supporting grooves are provided with round through holes.

2. The deviation correcting device according to claim 1, wherein the lifting device is composed of at least a first screw and a second screw, the propelling device is assembled of at least a groove-shaped clamping seat, a sliding block, a high-precision ball screw and a servo motor, the sliding block is provided with a circular through hole, the sliding block is assembled on the groove-shaped clamping seat and penetrates through the high-precision ball screw, the left roller frame single-ring clamping groove is coaxially assembled with the left lifting device circular through hole, the roller frame single-ring clamping groove is coaxially assembled with the circular through hole at the top of the first screw of the lifting device, the lifting device is assembled and fixedly connected to the sliding block of the propelling device, and the lifting device is fixedly connected to the circular hole clamping groove roller frame.

3. The deviation correcting device according to claim 2, wherein the double circular ring clamping grooves of the roller frame are coaxially assembled with the single circular ring clamping groove at one end of the circular ring clamping groove roller frame, the angular displacement sensor is coaxially assembled at the position where the circular ring clamping grooves of the circular ring clamping groove roller frame and the double circular ring clamping grooves of the roller frame are coaxial, the rotation self-locking device is coaxially assembled with the angular displacement sensor, the displacement sensors are assembled on the lifting device and the propelling device, and the rotation self-locking device is respectively assembled at two ends and a middle three-axis position of the roller frame.

4. The deviation correcting device according to claim 2, wherein the PLC controller is electrically connected to the turning section carrier roller group, at least one of the touchable displays is mounted on the turning section carrier roller group, the touchable display is connected to the PLC controller, the PLC controller is configured to control the deviation correcting device to move so as to adjust the carrier roller frame groove angle and the raising angle, and the touchable display is configured to display changes of each carrier roller groove angle and the raising angle.

5. The deviation rectification control method according to claim 1, comprising at least a PLC controller and an upper computer, wherein the PLC controller at least comprises a wireless receiving module, a displacement sensing module, an angle sensing module, a rotation self-locking module and an emergency stop module, and the control method comprises the steps of starting the deviation rectification device, selecting and adjusting a control angle in response, and stopping the deviation rectification device.

6. The deviation rectification control method according to claim 5, wherein the signal receiving mode is a wired receiving mode and a wireless receiving mode, and the wired signal receiving mode is a data receiving mode formed by communicating a PLC controller and a computer through a data connecting line; in the wireless signal receiving mode, the signal is converted into a wireless signal through the signal processing equipment, and the isomorphic transmitting device outputs a radio frequency signal which is transmitted to the upper computer.

Technical Field

The invention belongs to the field of deviation correction of conveying belts of belt conveyors, and particularly relates to a deviation correction device and a deviation correction control method for a turning section of a belt conveyor.

Background

The long-distance belt conveyor has remarkable social and economic benefits and is widely applied to various industries. But inevitably affected by the terrain and some fixed obstacles along the way during the erection of long-distance conveyors. Therefore, conveyors with horizontal turnaround sections have come into play. But the conveyer belt off tracking scheduling problem easily appears at the level turn in-process, when the conveyer belt off tracking was serious, spilled the material that falls very easily and cause the waste on falling the conveyer belt of return stroke, has also aggravated the friction between conveyer belt and cylinder, the bearing roller simultaneously, and then leads to conveyer belt wearing and tearing aggravation, has reduced the life of conveyer belt, cylinder and bearing roller by a wide margin. In order to correct the deviation, in practical engineering application, the deviation of the conveying belt is corrected by adjusting the groove angle and the rising angle of the carrier roller of the turning section. At present, the elevating angle and the groove angle of the carrier roller are manually adjusted, the adjusting steps are complicated, and the conditions of misadjustment, missing adjustment and the like are easy to occur. Meanwhile, the requirement of enterprises for correcting the deviation of the conveyor tends to be visual, intelligent and accurate, the rising angle and the groove angle of the carrier roller group need to be adjusted and displayed in real time, the conveyor can automatically adjust the rising angle and the groove angle of the carrier roller according to the deviation of the conveyor belt, the real-time deviation correction of the turning section of the conveyor belt is completed, the traditional scheme of manual deviation correction after shutdown is replaced, the conveyor can perform accurate and real-time deviation correction under different working conditions (different routes, different materials, different bandwidths, different belt speeds, different conveying amounts and the like), the purposes of improving the conveying rate, reducing the probability of production accidents caused by material scattering and remarkably improving the stability and the safety of the belt conveyor in operation are achieved. Therefore, a deviation correcting device and a deviation correcting control method for the turning section of the belt conveyor are provided.

Disclosure of Invention

In view of the technical problems in the prior art, the present invention is directed to overcome the disadvantages in the prior art, and to provide a deviation rectifying device and a deviation rectifying control method for a turning section of a conveyor.

In order to solve some defects and deficiencies existing in the prior art, the invention provides a technical scheme as follows: the utility model provides a deviation correcting device and deviation control method for conveyer turn section, includes at least a set of turn section bearing roller group, PLC controller, at least one tangible display, PLC controller circular telegram is connected on the turn section bearing roller group, at least be equipped with one on the turn section bearing roller group tangible display, tangible display with the PLC controller links to each other, the PLC controller is used for controlling deviation correcting device motion, in order to adjust bearing roller groove angle and raising angle, tangible display is used for showing each bearing roller groove angle, raising angle change condition.

The carrier roller group at the turning section comprises carrier rollers, a circular hole clamping groove carrier roller frame, a high carrier roller supporting body, a low carrier roller supporting body, a left carrier roller frame, a right carrier roller frame, a middle carrier roller frame, a left lifting device, a right lifting device, a left pushing device, a right pushing device, a left rotating self-locking device, a right rotating self-locking device, a middle rotating self-locking device, a left angle displacement sensor, a right angle displacement sensor, a middle angle displacement sensor, a left displacement sensor and a right displacement sensor, wherein one end of the left carrier roller frame is provided with a double circular ring clamping groove, the other end of the left carrier roller frame is provided with a single circular ring clamping groove, the high carrier roller supporting body and the low carrier roller supporting body are arranged on the left carrier roller frame, supporting grooves are arranged on the high and low carrier rollers, the supporting grooves are open grooves, the circular clamping grooves are arranged in the middle of the circular hole carrier roller frame, the single circular ring clamping grooves are arranged at the two ends of the carrier roller frame, and the supporting grooves are arranged at the top ends of the lifting devices, the supporting groove is provided with a circular through hole, the lifting device is at least composed of a first screw and a second screw, the propelling device is at least assembled by a groove-shaped clamping seat, a sliding block, a high-precision ball screw and a servo motor, the sliding block is provided with the circular through hole, the sliding block is assembled on the groove-shaped clamping seat and penetrates through the high-precision ball screw, the single circular ring clamping groove of the left roller frame is coaxially assembled with the circular through hole at the top of the first screw of the left lifting device, the left lifting device is assembled and fixedly connected on the sliding block of the propelling device, the left lifting device is fixedly connected on the circular hole clamping groove roller frame, the double circular ring clamping grooves of the left roller frame are coaxially assembled with the single circular ring clamping groove at one end of the circular hole clamping roller frame, the left angular displacement sensor is coaxially assembled at the positions of the circular hole clamping groove roller frame and the double circular ring clamping groove of the roller frame, the left rotation self-locking device is coaxially assembled with the left angle displacement sensor.

The device is characterized in that a single circular ring clamping groove of the right carrier roller frame and a circular through hole of a right lifting device are coaxially assembled, the single circular ring clamping groove of the right carrier roller frame and the circular through hole at the top end of a first screw rod of the right lifting device are coaxially assembled, the right lifting device is assembled and fixedly connected to a sliding block of the pushing device, the right lifting device is fixedly connected to the circular hole clamping groove carrier roller frame, a double circular ring clamping groove of the right carrier roller frame and a single circular ring clamping groove at one end of the circular hole clamping groove carrier roller frame are coaxially assembled, the right angle displacement sensor is coaxially assembled on the circular hole clamping groove carrier roller frame and the same position as the double circular ring clamping groove of the carrier roller frame, and the right rotation self-locking device and the right angle displacement sensor are coaxially assembled.

Furthermore, two short carrier roller supporting bodies are arranged on the middle carrier roller frame, the middle carrier roller frame and a middle hole of the round hole clamping groove carrier roller frame are assembled in a concentric mode, the middle angle displacement sensor and the middle hole of the round hole clamping groove carrier roller frame are assembled in a coaxial mode, and the middle rotation self-locking device and the middle angle displacement sensor are assembled in a coaxial mode.

Further, the first screw and the second screw in the lifting device are provided with matched internal threads, and the sliding block in the propelling device is provided with matched internal threads with the ball screw.

Further, the control system at least comprises a PLC (programmable logic controller) and an upper computer, wherein the PLC at least comprises an angular displacement sensing module, a rotary self-locking module, a wireless transmission module, a wired transmission module, a data display module and an emergency stop module. The PLC controller is fixedly connected to the round hole clamping groove roller supporting frame, the angle displacement sensing module is connected with the angle sensor, the displacement sensing module is connected with the displacement sensor, the rotary self-locking module is connected with the rotary self-locking sensor, the data display module is connected with the touch display, and the wireless transmission module and the data transmission module are connected with the upper computer.

Furthermore, the touchable display is assembled on the outer side of the supporting leg of the roller bracket with the circular hole clamping groove at the turning section.

Furthermore, the displacement sensor is assembled on the propelling device, and the angular displacement sensor and the rotary self-locking device are assembled at the joint of the side roller frame and the middle roller frame.

Description of the drawings:

FIG. 1 is a three-dimensional view of a deviation rectifying device used in a turning section of a conveyor and a deviation rectifying control method according to the present invention.

FIG. 2 is a structural front view of a deviation rectifying device used in a turning section of a conveyor and a deviation rectifying control method according to the present invention.

FIG. 3 is a structural side view of a deviation rectifying device for a turning section of a conveyor and a deviation rectifying control method of the deviation rectifying device.

FIG. 4 is a structural top view of a deviation rectifying device for a turning section of a conveyor and a deviation rectifying control method according to the present invention.

FIG. 5 is a partial schematic view of a lifting device of a deviation rectifying device in the deviation rectifying device and the deviation rectifying control method for the turning section of the conveyor according to the present invention.

FIG. 6 is a partial schematic view of a deviation rectifying device propulsion unit in the deviation rectifying control method and the deviation rectifying device for the turning section of the conveyor according to the present invention.

FIG. 7 is a program control diagram of a deviation rectifying method in the deviation rectifying device and the deviation rectifying method for the turning section of the conveyor according to the present invention.

In the figure, a circular hole clamping groove carrier roller frame 1, a carrier roller frame 2, a middle carrier roller frame 3, a carrier roller 4, a high carrier roller support body 5, a low carrier roller support body 6, a propelling device clamping groove 7, a sliding block 8, a lifting device first screw rod 9, a lifting device second screw rod 10, a rotary self-locking device 11, a middle rotary self-locking device 12, an angle displacement sensor 13, a touch display 14, a displacement sensor 15, a high-precision lead screw 16, a PLC (programmable logic controller) 17 and a servo motor 18.

The invention has the beneficial benefits that: the deviation correcting device is simple in structure, low in production cost and convenient to replace; the deviation correction control method is strong in expansibility, can adjust the groove angle and the raising angle of the carrier roller in real time according to different working conditions, different environments, deviation degrees and the like, can replace a traditional manual inspection mode, and can perform accurate adjustment and automatic deviation correction, so that the purposes of improving the conveying rate, reducing the probability of production accidents caused by material scattering and remarkably improving the stability and the safety of the belt conveyor during operation are achieved.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the present invention will be clearly and completely described with reference to the embodiments and the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, not all embodiments, and all other embodiments obtained by those skilled in the art without inventive work are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the description of the present invention, it is to be understood that the terms "left", "middle", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "assembled", "connected", "attached", and the like are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention is described in further detail below with reference to the following figures and embodiments:

referring to fig. 1 to 4, in an embodiment, a deviation rectifying device and a deviation rectifying control method for a turning section of a conveyor are provided, where a roller set of the turning section includes a circular-hole clamping groove roller frame 1, a left roller frame 2-1, a right roller frame 2-2, a middle roller frame 3, a roller body 4, a high roller support body 5, a low roller support body 6, a left lifting device, a right lifting device, a left propulsion device, a right propulsion device, a left rotation self-locking device, a right rotation self-locking device, a middle rotation self-locking device 12, a left angular displacement sensor 13, a right angular displacement sensor 13, a middle angular displacement sensor 13, a left displacement sensor 15, and a right displacement sensor 15, one end of the left roller frame 2-1 is provided with a double-circular-ring clamping groove, and the other end is provided with a single-circular-ring clamping groove, the left roller frame 2-1 is provided with the high roller support body 5 and the low roller support body 6, the high carrier roller support body 5 and the low carrier roller support body 6 are provided with support grooves which are open grooves, a circular clamping groove is arranged in the middle of the round hole clamping groove carrier roller frame 1, single circular ring clamping grooves are arranged at two ends of the round hole clamping groove carrier roller frame, the left carrier roller frame 2-1 single circular ring clamping groove is coaxially assembled with a circular through hole at the top of a first screw rod 9 of a left lifting device, the left lifting device is assembled and fixedly connected on a slide block 8 of the propulsion device, the left lifting device is fixedly connected on the round hole clamping groove carrier roller frame 1, the left carrier roller frame 2-1 double circular ring clamping grooves are coaxially assembled with a single circular ring clamping groove at one end of the round hole clamping groove carrier roller frame 1, the left angle displacement sensor 13 is coaxially assembled at the round hole carrier roller frame 1 and the left carrier roller frame 2-1 double circular ring clamping grooves, the left rotation self-locking device 11 and the left angular displacement sensor 13 are coaxially assembled.

The double-ring-shaped roller frame is characterized in that a single-ring-shaped clamping groove of the right roller frame 2-2 is coaxially assembled with a circular through hole of a right lifting device, the single-ring-shaped clamping groove of the right roller frame 2-2 is coaxially assembled with a circular through hole at the top end of a first screw rod 9 of the right lifting device, the right lifting device is fixedly connected to a sliding block 8 of the pushing device, the right lifting device is fixedly connected to the circular-ring-shaped clamping groove roller frame 1, a double-ring-shaped clamping groove of the right roller frame 2-2 is coaxially assembled with a single-ring-shaped clamping groove at one end of the circular-ring-shaped clamping roller frame 1, the right angle displacement sensor 13 is coaxially assembled at the same position of the circular-ring-shaped clamping groove roller frame 1 and the double-ring-shaped clamping groove of the roller frame 2-2, and the right angle displacement sensor 13 are coaxially assembled, and the right rotation self-locking device 11 is coaxially assembled with the right angle displacement sensor 13.

Two short carrier roller supporting bodies 6 are arranged on the middle carrier roller frame, the middle carrier roller frame 3 is concentrically assembled with a middle hole of the round hole clamping groove carrier roller frame 1, the middle angle displacement sensor 13 is coaxially assembled with the middle hole of the round hole clamping groove carrier roller frame 1, and the middle rotation self-locking device 12 is coaxially assembled with the middle angle displacement sensor 13.

Referring to fig. 5, in an embodiment, a supporting groove is formed at a top end of a first screw rod of the lifting device, the supporting groove has a circular through hole, the lifting device is composed of a first screw rod 9 and a second screw rod 10, and the lifting device can be driven by a servo motor 18 to extend and retract up and down to adjust a groove angle.

Referring to fig. 6, in the embodiment, the propelling device includes a groove-shaped propelling device clamping seat 7, a slider 8 and a high-precision ball screw 16, the slider has a circular through hole, the slider 8 is assembled on the groove-shaped propelling device clamping seat 7 and penetrates through the high-precision ball screw 16, and the propelling device can advance and retreat under the driving of a servo motor 18 to realize adjustment of a lifting angle.

Referring to fig. 7, in the embodiment, it is assumed that the upper computer receives the deviation correction signal and needs to raise the groove angle by 5 °, and raise the right elevation angle by 3 ° to correct the deviation of the turning conveyor belt. The method comprises the following implementation steps that firstly, a wireless receiving module on a PLC (programmable logic controller) 17 receives a signal, a groove angle is adjusted firstly according to a set program, and the PLC 17 locks a middle rotation self-locking device 12 firstly; secondly, the PLC 18 locks the left propelling device and the right propelling device; thirdly, the PLC 17 controls the right lifting device to lift, the right displacement sensor 15 and the right angle sensor 15 collect lifting displacement data and angle change data, meanwhile, the PLC 17 controls the left lifting device to lift, the left displacement sensor 15 and the left angle sensor 13 collect lifting displacement data and angle change data, and the data are sent to the displacement sensing module and the angle sensing module; fourthly, the PLC 17 compares and corrects the returned displacement data and angle data with the calculated target angle data, if the displacement data and the angle data are in accordance with the calculated target angle data, the angle data are returned to the upper computer, meanwhile, the angle adjustment data change is displayed on the touchable display 14 on the carrier roller frame, and the adjustment of the groove angle is finished; fifthly, adjusting the elevation angle, locking the left and right groove angle rotation self-locking devices 11 by the PLC 17, unlocking the middle rotation self-locking device 12, and judging that the elevation angle needs to be raised; sixthly, the PLC 18 raises the right lifting device, the right propelling device is driven by the servo motor 18 to control the propelling device sliding block 8 to make process motion on the high-precision ball screw 17, meanwhile, the left lifting device is lowered, and the left propelling device is driven by the servo motor 18 to control the propelling device sliding block 8 to make retreating motion on the high-precision ball screw 16; seventh, the displacement sensor 15 transmits displacement data of the lifting device and the propelling device back to the displacement sensing module, the angle displacement sensor 13 transmits middle rotation angle data back to the angle sensing module, the data of the two are subjected to fusion calculation and compared with target angle data, if the data are correct, output correction is successful, the angle data are transmitted back to the upper computer, the angle data are displayed on the contact display 14, and if the data are incorrect, angle adjustment is continued until correction is successful.

In the embodiment, in order to ensure that the displacement data and angle data obtained by the sensor have the best effect, the related lead angle is smaller than the equivalent friction angle, so that the parts are matched to have good self-locking performance, the parts cannot slide down automatically due to load or gravity factors, and meanwhile, the related specifications such as lead, thread pitch diameter and the like are accurately calculated, so that the lead angle is smaller than the equivalent friction angle, and the safety and the reliability are greatly improved.

Finally, it should be noted that: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.