Conveyor belt system, adaptive conveyor belt correction system

Abstract

This invention addresses the problem of underutilization of kinetic energy during conveyor belt misalignment in existing technologies. It provides a conveyor belt system, an adaptive conveyor belt correction system, and an energy-saving energy storage method for the conveyor belt system. This adaptive conveyor belt correction system includes at least one correction device, which comprises a correction mechanism, an actuator cylinder, a control component, and at least two detection and drive components. The actuator cylinder drives the correction mechanism to correct the conveyor belt misalignment. This conveyor belt system, including the conveyor belt and the correction system, utilizes the conveyor belt system, correction system, and energy-saving energy storage method of this invention. It does not require electrical energy; instead, it relies on the kinetic energy of the conveyor belt during operation to achieve adaptive adjustment after misalignment. Simultaneously, it stores a portion of the conveyor belt's kinetic energy as pressure energy within the energy storage components, providing energy for the conveyor belt system and other hydraulic devices. This achieves energy conversion and storage while simultaneously saving energy.

Description

Technical Field

[0001] This invention relates to the field of belt conveyor control and energy-saving storage technology for belt conveyors, and particularly to a conveyor belt system and an adaptive conveyor belt correction system. Background Technology

[0002] Belt conveyors are widely used in material transportation in ports, power plants, mines, and other fields, greatly improving the efficiency of conveying bulk materials. Belt misalignment is a common problem in belt conveyors, and is one of the main causes of sudden shutdowns, material spillage, frame blockages, and shortened belt lifespan. This not only affects production but also causes environmental pollution. Currently, the main mechanisms for solving misalignment problems are mechanical and electrically controlled misalignment mechanisms. Mechanical misalignment mechanisms are mostly passive self-aligning structures, unable to continuously provide a stable centering force, resulting in unsatisfactory misalignment effects. While electrically controlled misalignment systems can provide precise misalignment force through electronic control, they require a complete power supply and control device. Because belt conveyors operate in harsh environments, misalignment systems often operate under these conditions, frequently activating during misalignment. Electrical control systems, which mostly use electronic components, are less reliable in adverse working environments, leading to more frequent malfunctions and severely impacting their performance.

[0003] To address this, mechanical alignment devices have emerged. For example, Chinese invention patent CN 101214881A discloses a hydraulically controlled linkage alignment machine involving a hydraulically controlled detection and drive system. This system consists of a hydraulic circuit composed of two detection and drive wheels, two hydraulic pumps, a central control station, a hydraulic cylinder, and a temperature sensor connected by oil pipes. The detection and drive wheels are located between the two sets of linkage idlers in the linkage alignment mechanism, on both sides of the belt edge, to detect whether the belt is centered on the conveyor frame. The detection and drive wheels are mounted on the shaft of the hydraulic pumps. When the belt deviates from the center of the conveyor frame and touches the edge of the detection and drive wheel, it drives the hydraulic pump to rotate, providing power to the hydraulic system. The hydraulic cylinder is located within the flat layer of the linkage alignment mechanism frame, with the cylinder body hinged to the frame frame edge and the piston end hinged to the end of the drive rod of the linkage self-aligning frame to drive the linkage alignment mechanism. The central control station is used to sequentially control the extension and retraction of the hydraulic cylinder piston. When the belt deviates from the center, the edge of the belt touches the detection and drive wheel on the deviated side and drives the detection and drive wheel to rotate. The drive wheel drives the hydraulic pump to pressurize the central control station. The logic valve group in the central control station controls the cylinder to push or pull the piston rod in a set sequence. The pushing and pulling of the cylinder piston rod drives the active arm. The middle active arm directly drives the shaft of the middle active idler bracket. The two active rods drive the shafts of the inclined active idler brackets on both sides through universal joints. The active connecting rods hinge the middle and the two active arms on both sides. One end of the active idler bracket is hinged to the corresponding end of the driven idler bracket through the driven connecting rod. In this way, each idler on the active idler bracket and the driven idler bracket achieves synchronous clockwise or counterclockwise deflection with the shaft of its own idler bracket as the center. After deflection, the linear motion direction of the idler is not consistent with the running direction of the belt. The lateral friction force of the belt generated in this way drives the belt back between the two drive wheels, that is, back to the center of the conveyor frame. This system and method does not require a power source. It relies on the friction between the belt and the detection wheel when the belt deviates, causing the detection wheel to rotate. The rotation of the detection wheel controls a hydraulic cylinder, which in turn actuates a correction mechanism to correct the conveyor belt's deviation. However, while this system achieves correction, a single correction device often cannot provide sufficient corrective force, resulting in an unsatisfactory correction effect. This means the friction between the detection wheel and the conveyor belt remains constant, keeping the hydraulic pump continuously operating and causing the pressure in the correction system to rise continuously, affecting the lifespan of the components. Furthermore, the kinetic energy generated by the belt deviation is not fully utilized. In addition, since conveyor belt deviation is a complex dynamic process, the correction work is continuous. Even if sufficient corrective force is obtained to correct the deviation, this correction is only temporary, merely preventing excessive belt deviation. Therefore, conveyor belt deviation correction is a dynamic and continuous process, and the kinetic energy generated during belt deviation is not fully utilized. Summary of the Invention

[0004] To address the problem that the kinetic energy of conveyor belt misalignment is not fully utilized in existing technologies, this invention provides a conveyor belt system and an adaptive conveyor belt correction system.

[0005] This invention is achieved through the following technical solution:

[0006] An adaptive conveyor belt correction system includes at least one correction device, which comprises a correction mechanism, an actuator cylinder, a control component, and at least two detection drive components. The actuator cylinder drives the correction mechanism to correct the conveyor belt. The detection drive components include a detection drive wheel and a hydraulic pump. The axle of the detection drive wheel is connected to the drive shaft of the hydraulic pump. The control component controls the opening and closing of the oil passage between the hydraulic pump and the actuator cylinder. The system also includes an energy storage component. The control component includes a hydraulic reversing device and an oil tank. The hydraulic pump is connected to the oil tank to draw oil. The two chambers of the actuator cylinder are respectively connected to the corresponding hydraulic pumps through the hydraulic reversing device. The output end of the actuator cylinder is connected to the input end of the correction mechanism. Under the action of one hydraulic pump, the hydraulic oil in the corresponding oil tank can enter one end chamber of the actuator cylinder through the hydraulic reversing device. At the same time, the hydraulic oil in the other chamber of the actuator cylinder returns to the corresponding oil tank through the hydraulic reversing device. The energy storage component includes an accumulator, which is connected to the oil outlet of the hydraulic pump through an accumulator energy storage branch.

[0007] When the hydraulic pump outlet reaches a certain pressure value, the accumulator energy storage branch is connected, thereby connecting the accumulator with the return port of the hydraulic control reversing device and the outlet of the hydraulic pump, and hydraulic oil enters the accumulator; and / or includes at least two of the above-mentioned correction mechanisms, each of the hydraulic pumps is connected with the accumulator energy storage branch of its corresponding energy storage component, when multiple correction mechanisms are set, two or more detection drive components are correspondingly set with one energy storage component, each side of the energy storage component includes at least one manifold valve, and the hydraulic actuator branch of multiple energy storage components is connected to the manifold valve;

[0008] The described hydraulic directional control device is a three-position five-way hydraulic directional control valve. The valve includes a valve core and a valve body. A valve core hole is provided on the valve body, and the valve core is located within the valve core hole. Control chambers E and F are provided at both ends of the valve body, and both control chambers E and F communicate with the valve core hole. The valve body is respectively provided with hydraulic directional control valve inlet ports A and B, hydraulic directional control valve outlet ports M and N, and a hydraulic directional control valve return port T, all communicating with the valve core hole. The three-position five-way hydraulic directional control valve has hydraulic directional control valve inlet port A communicating with control chamber F, and hydraulic directional control valve inlet port B communicating with control chamber E. The middle position is where the oil inlet A, hydraulic directional valve oil inlet B, hydraulic directional valve oil outlet M, hydraulic directional valve oil outlet N, and hydraulic directional valve return port T are not connected; the left position is where the hydraulic directional valve oil inlet A is connected to the hydraulic directional valve oil outlet M and the hydraulic directional valve oil outlet N is connected to the hydraulic directional valve return port T; the right position is where the hydraulic directional valve oil inlet B is connected to the hydraulic directional valve oil outlet N and the hydraulic directional valve oil outlet M is connected to the return port T; the oil outlets of the hydraulic pumps of the paired detection drive components are connected to the hydraulic directional valve oil inlet A and hydraulic directional valve oil inlet B of the three-position five-way hydraulic directional valve through their respective hydraulic pump oil passages.

[0009] It includes a hydraulic actuator branch, which is connected to an accumulator. A connector is provided on the hydraulic actuator. The accumulator is connected to the downstream hydraulic actuator through the connector provided on the hydraulic actuator branch to supply oil. The hydraulic actuator branch includes hydraulic actuator branch oil passages.

[0010] The hydraulic actuator is a tensioning cylinder for tensioning the conveyor belt. The tensioning cylinder is connected to the connector of the energy storage component through a connector. When the hydraulic oil in the accumulator reaches a certain amount, the tensioning cylinder is connected to the accumulator, and the accumulator supplies hydraulic oil to the tensioning cylinder.

[0011] A conveyor belt system includes a conveyor belt and a correction system. The correction system adopts the structure described above. Two detection drive components of each correction device are arranged on both sides of the conveyor belt. At least one correction mechanism is provided at the front end and the rear end of the conveyor belt to correct the deviation of the front end and the rear end of the conveyor belt. The distance between each detection drive wheel and the conveyor belt is not equal.

[0012] An energy-saving energy storage method for a conveyor belt system converts the kinetic energy generated during conveyor belt misalignment into hydraulic driving force by driving the hydraulic pump to rotate the shaft. The hydraulic driving force drives the hydraulic oil in the system to enter the actuator cylinder, converting the kinetic energy generated in the system into the driving power of the actuator cylinder. The hydraulic oil that the actuator cylinder cannot absorb is then stored in the accumulator of the energy storage component, thereby realizing energy-saving energy storage for the conveyor belt system.

[0013] The hydraulic oil stored in the accumulator is supplied to other hydraulic actuators, and / or the hydraulic oil stored in the accumulator is returned to the oil tank to replenish the oil consumed in the oil tank;

[0014] The aforementioned adaptive conveyor belt correction system is used. When other hydraulic systems require hydraulic oil, the downstream hydraulic actuator is connected, the manual directional valve is switched to the working position, and the throttle valve is adjusted according to system needs, thereby providing the downstream hydraulic actuator with the required pressure and flow rate of hydraulic oil. After the downstream hydraulic actuator completes the corresponding action, the manual directional valve is switched back to the initial position, and the hydraulic oil in the downstream actuator is released back into the oil tank. After multiple deviation correction devices have been used, if the conveyor belt is still in a deviation state, the hydraulic oil of the energy storage component is connected to the tensioning cylinder through the connector in the manifold valve. The tensioning cylinder is used to adjust the tension of the conveyor belt, thereby adjusting the conveyor belt deviation.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] The conveyor belt system and correction system of the present invention do not require electrical energy. They rely on the kinetic energy of the conveyor belt during operation to achieve adaptive adjustment after the conveyor belt deviates. At the same time, a portion of the kinetic energy of the conveyor belt is stored in the energy storage component in the form of pressure energy, which can provide energy for the conveyor belt system and other hydraulic devices. This achieves energy conversion and storage while saving energy. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the mechanical structure of an embodiment of the adaptive conveyor belt correction system of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of an embodiment of the detection driving component of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of an embodiment of the left-side energy storage component of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of an embodiment of the right-side energy storage component of the present invention;

[0021] Figure 5 This is a schematic diagram of the control mechanism of an embodiment of the adaptive conveyor belt correction system of the present invention.

[0022] Figure 6 This is a schematic diagram of the control mechanism of another embodiment of the adaptive conveyor belt correction system of the present invention.

[0023] Figure 7 This is a diagram illustrating an embodiment of the energy storage component arrangement in the adaptive conveyor belt correction system of the present invention.

[0024] Figure 8This is a diagram illustrating an embodiment of the arrangement of detection and drive components in each correction mechanism of the adaptive conveyor belt correction system of the present invention;

[0025] Figure 9 This is a schematic diagram of the structure of an embodiment of the manifold valve of the present invention;

[0026] Figure 10 This is a schematic diagram of the structure of an embodiment of the three-position five-way hydraulic control directional valve of the present invention, with the three-position five-way hydraulic control directional valve in the middle position;

[0027] Figure 11 This is a schematic diagram of the on / off state of the three-position five-way hydraulic control directional valve of the present invention when it is in the left position;

[0028] Figure 12 This is a schematic diagram of the on / off state of the three-position five-way hydraulic control directional valve of the present invention when it is in the right-side position;

[0029] Figure 13 This is a schematic diagram of the internal oil passage structure of the present invention.

[0030] Figure label:

[0031] Test drive assembly 1, test drive wheel 1-1, hydraulic pump 1-2, adjusting bolt 1-3, rotatable support 1-4, adjusting fixed bracket 1-5, elastic element 1-6, fixed base plate 1-7, pin 1-8, adjusting nut 1-9, control assembly 2, hydraulic control reversing device 2-1, left sequence valve 2-2, right sequence valve 2-3, oil tank 2-4, oil suction port 1 4, oil suction port 2 5, sequence valve outlet 7, sequence valve outlet 10, left accumulator assembly 11, left throttle valve 11-1, left manual reversing valve 11-2, left two-way hydraulic control reversing valve 11-3, left normally open shut-off valve 11-4, left accumulator 11-5, left quick-connect coupling 11-6, left normally closed shut-off valve 11-7 ; Left energy storage component oil outlet 12; Left energy storage component oil inlet 13; Left energy storage component energy storage port 14; Right energy storage component 15, Right throttle valve 15-1, Right manual directional valve 15-2, Right two-way hydraulic directional valve 15-3, Right shut-off valve 15-4, Right accumulator 15-5, Right quick-connect coupling 15-6, Right energy storage component oil outlet 16, Right energy storage component oil inlet 17, Right energy storage component energy storage port 18; Actuating cylinder 19, Correction mechanism 20, Left first energy storage component 22, Left second energy storage component 23, Left manifold valve 24, Left third energy storage component 25, Left fourth energy storage component 26, Left tensioning cylinder 27, Tail roller 28, Right tensioning cylinder 29, Right Energy storage component 30 (right 2nd energy storage component), right manifold valve 32, right energy storage component 33, right energy storage component 4 (right 4th energy storage component), conveyor belt 35, head roller 36, left 1st detection drive component 37, left 2nd detection drive component 38, left 3rd detection drive component 39, left 4th detection drive component 40, right 1st detection drive component 41, right 2nd detection drive component 42, right 3rd detection drive component 43, right 4th detection drive component 44, quick connector 1 45, quick connector 2 46, quick connector 5 47, quick connector 3 48, quick connector 4 49, 50-valve core; 51-valve body; 52-valve core hole; 53-internal oil passage 1; 54-internal oil passage 2; A1-A port process hole one; A2-A port process hole two; B1-B port process hole one; B2-B port process hole two; E1-control cavity E port process hole; F1-control cavity F port process hole; M1-M port process hole; N1-N port process hole; T1-T port process hole. Detailed Implementation

[0032] The technical solution of the present invention will be described in detail below with reference to specific embodiments and accompanying drawings. The following technical solutions are merely specific embodiments and are not intended to limit the implementation of the present invention. For ease of description, the present invention uses a hydraulic oil port aligned with the direction of the hydraulic oil pumped out by the hydraulic pump as the oil inlet.

[0033] This invention provides an adaptive conveyor belt correction system and a conveyor belt system incorporating the adaptive correction system. The adaptive conveyor belt correction system includes an adaptive correction device and an energy-saving energy storage component. The adaptive correction device is hereinafter referred to as the correction device. Each correction device is used to correct the conveyor belt's deviation. The energy-saving energy storage component stores the kinetic energy generated by the correction device during the correction process—that is, the kinetic energy generated during conveyor belt deviation—in the form of pressure energy, providing a continuous energy source for the adaptive correction system. Simultaneously, the kinetic energy generated during conveyor belt deviation can also be utilized, thereby reducing the overall system's energy consumption.

[0034] It is best to use at least two belt alignment devices and two or more energy-saving energy storage components. The number and location of the alignment devices are determined based on the length of the conveyor belt and the location of the belt misalignment. When two or more sets of alignment devices are installed, they can be evenly distributed along the length of the conveyor belt, correcting the belt misalignment multiple times. Alternatively, they can be centrally installed at both ends of the conveyor belt to detect and control the misalignment at the beginning and end, thereby adjusting the overall belt misalignment from the beginning and end.

[0035] like Figure 1 Combination Figure 5 As shown, each correction device includes an actuating cylinder 19, a correction mechanism 20, a control component 2, and left and right side detection drive components 1. The correction mechanism 20 can adopt existing correction mechanisms. Generally, the left and right side detection drive components have the same structure and are collectively referred to as detection drive components. Figure 2 As shown, each detection drive assembly includes a detection drive wheel 1-1, a hydraulic pump 1-2, and a movable bracket. The detection drive wheel is connected to the drive shaft of the hydraulic pump, and when the detection drive wheel rotates, it drives the hydraulic pump to rotate. The movable bracket supports the hydraulic pump and is fixedly mounted on the frame of the correction mechanism.

[0036] The movable support preferably adopts the following structure, including an adjustable fixed support 1-5, a rotatable support 1-4, an elastic element 1-6, and a fixing plate 1-7. The adjustable fixed support has an elongated hole, the length of which is aligned with the length of the hydraulic pump shaft. The horizontal end of the adjustable fixed support 1-5 is fixed to the upper surface of the rotatable support 1-4 via bolts, the elongated hole, and bolt holes. It can also move relative to the rotatable support through the elongated hole to adjust the relative position of the detection drive wheel 1-1 and the conveyor belt. The hydraulic pump 1-2 is fixed to the vertical end of the adjustable fixed support 1-5 via bolts. The adjusting bolt 1-3 passes through... The adjustment is fixedly connected to the elongated hole on the fixed bracket 1-5 and the through hole on the rotatable support, and to the fixed base plate 1-7 located below the rotatable support. An adjusting nut 1-9 is provided on the adjusting bolt below the rotatable support 1-4. An elastic element is sleeved between the adjusting nut and the rotatable support 1-4. The end opposite to the fixed plate 1-7 and the adjusting bolt is rotatably fixed to the end of the rotatable support 1-4 away from the detection drive wheel by the pin 1-9. The force of the elastic element 1-7 can be adjusted by the adjusting nut, and the angle of the detection drive wheel 1-1 can be adjusted by the pin and the adjusting bolt.

[0037] like Figure 5 As shown, the control component 2 includes a hydraulic reversing device 2-1 and an oil tank 2-4. The inlet of the hydraulic pump of each detection and drive component is connected to the suction port of the oil tank 2-4. The two chambers of the actuator cylinder are connected to the oil tank through the hydraulic reversing device 2-1, and the output end of the actuator cylinder is connected to the input end of the correction mechanism 20. The hydraulic oil in each oil tank 2-4 can enter one end chamber of the actuator cylinder 19 through the hydraulic reversing device 2-1. The hydraulic oil in one chamber of the actuator cylinder pushes the actuator cylinder 19 to move into the other chamber, driving the correction mechanism to operate. At the same time, the hydraulic oil in the other chamber returns to the oil tank 2-4 through the hydraulic reversing device 2-1. The oil passage connecting the inlet of the hydraulic pump and the hydraulic reversing device is called the hydraulic pump oil passage. Each hydraulic pump is equipped with one hydraulic pump oil passage connected to the inlet of the hydraulic reversing device. An energy storage branch is installed on the hydraulic pump oil passage, and a sequence valve is installed on the energy storage branch. The inlet of the sequence valve is connected to the hydraulic pump oil passage, and the other end is used to connect to the energy storage component. When the sequence valve is opened, the hydraulic oil in the tank enters the energy storage component under the action of the hydraulic pump and is stored at a certain pressure.

[0038] Each detection driver component can be configured with one energy storage component, each detection driver component can be configured with multiple energy storage components, or multiple detection driver components can be configured together with one energy storage component.

[0039] Each energy storage component has a consistent structure. We will now describe the structure using an example where one energy storage component is equipped with one hydraulic pump oil passage. Each correction mechanism has two hydraulic pump oil passages, each equipped with an energy storage component: a left energy storage component 11 and a right energy storage component 15. Taking the left energy storage component as an example, we will explain its structure. The left energy storage component includes a left accumulator 11-5 and a left energy storage control circuit. The left energy storage control circuit includes a left accumulator energy storage branch and a left oil circulation branch that returns the hydraulic oil in the left accumulator to the oil tank. The left accumulator is connected to the left sequence valve through the left accumulator energy storage branch, thus connecting the other end of the left sequence valve to the left energy storage component. When the pressure at the outlet of the left hydraulic pump in the control component system rises and reaches the set value of the left sequence valve 2-2, the left sequence valve 2-2 opens, and the hydraulic oil enters the left accumulator 11-5 through the left accumulator energy storage branch, storing the hydraulic oil in the left accumulator. When the oil level in the oil tank 2-4 is insufficient, under the control of the left energy storage control circuit, the oil in the left accumulator is sent to the left oil tank 2-4 to replenish the insufficient oil level in the left oil tank. At the same time, it can prevent the system pressure from being too high and protect the system from damage caused by excessive pressure. The following is an embodiment of the left accumulator energy storage branch, including a left energy storage branch oil passage. A left two-way hydraulic control directional valve 11-3 and a left shut-off valve 11-4 are installed on the left energy storage branch oil passage. The left two-way hydraulic control directional valve 11-3 and the left shut-off valve 11-4 are located on the oil passage between the left sequence valve and the left accumulator. When the actuator cylinder 19 runs to the end of the rodless chamber or the rod chamber, and the conveyor belt has not yet disengaged from the left detection drive wheel 1-1, the left hydraulic pump 1-2 is still working. The pressure of the left hydraulic system increases. When it reaches the set value of the left sequence valve 2-2, the left sequence valve 2-2 opens, and the left hydraulic oil enters the left accumulator 11-5 through the left two-way hydraulic control directional valve 11-3 and the left shut-off valve 11-4 to store the hydraulic oil. The left oil circulation branch includes a left oil circulation branch oil passage. A left normally closed shut-off valve 11-7 is installed on the left oil circulation branch oil passage. One end of the left oil circulation branch oil passage is connected to the left energy storage branch oil passage, and the other end is connected to the oil return port of the oil tank. The connection point between the left oil circulation branch oil passage and the left energy storage branch oil passage is located between the left shut-off valve 11-4 and the left two-way hydraulic control directional valve 11-3, so that the oil in the left accumulator can return to the oil tank. When it is necessary to supply oil to the oil tank, the left normally closed shut-off valve is opened to connect the left accumulator with the left oil tank, and the hydraulic oil in the left accumulator flows into the left oil tank.

[0040] Preferably, the left energy storage control circuit further includes a left hydraulic actuator branch, which includes a left hydraulic actuator branch oil passage. A left manual directional valve 11-2, a left hydraulic control directional valve 11-3, and a left quick-connect coupling 11-6 are installed on the left hydraulic actuator branch oil passage. The left hydraulic actuator branch oil passage is connected to the manual directional valve through the left quick-connect coupling 11-6. When other hydraulic systems need hydraulic oil, the downstream hydraulic actuator only needs to connect to the quick-connect coupling 11-6 and move the left manual directional valve 11-2 to the working position. Under the control of the left hydraulic actuator branch, the required hydraulic oil can be provided to the hydraulic actuator. After the downstream hydraulic actuator completes the corresponding action, the left manual directional valve 11-2 is moved to the initial position, and the hydraulic oil in the downstream actuator is released back into the left oil tank 2-4. The following is an embodiment of the left hydraulic actuator branch, including the left hydraulic actuator branch oil passage. A left throttle valve 11-1, a left manual directional valve 11-2, and a left quick-change connector 11-6 are provided on the left hydraulic actuator branch oil passage. The oil inlet of the left manual directional valve 11-2 is connected to the oil passage between the left two-way hydraulic control directional valve 11-3 and the left shut-off valve 11-4 through an oil passage. Its oil outlet is connected to the left quick-change connector. The left throttle valve 11-1 is located between the left quick-change connector and the left manual directional valve 11-2. The oil return port of the left manual directional valve is connected to the oil return port of the left oil tank. When other hydraulic systems require hydraulic oil, the downstream hydraulic actuator simply connects to the left hydraulic actuator branch via the left quick-change connector 11-6, moves the left manual directional valve 11-2 to the working position, and adjusts the left throttle valve 11-1 according to system needs, thereby providing the required hydraulic oil to the downstream hydraulic actuator. After the downstream hydraulic actuator completes its corresponding action, it moves the left manual directional valve 11-2 back to the initial position, and the hydraulic oil in the downstream actuator is released back into the left oil tank 2-4. The connection structure of the right accumulator assembly with the right oil tank and control assembly is the same and will not be described further.

[0041] The correction mechanism 20 can be a dual-axis correction mechanism, a single-axis correction mechanism, or other correction mechanisms, as long as it can be used in combination with the detection and drive components of this invention and can correct the position of the conveyor belt when it deviates from its designated path. This invention uses a dual-axis correction mechanism as an example for illustration. Examples of dual-axis drive mechanisms can be found in Chinese Invention Patent No. CN 101214881A, which discloses a passive hydraulic linkage correction machine, and Chinese Patent Application No. CN221853203U, entitled "A Novel Split-Type Dual-Axis Correction Device." Other correction mechanisms can be found in Chinese Utility Model Patent No. 215438425U, entitled "A PLC-Controlled Fully Automatic Correction Device." These embodiments are merely illustrative and do not necessarily imply the adoption of this structure, nor do they constitute a limitation on the specific structure of the correction mechanism of this invention. Both of the above correction mechanisms employ a dual-axis correction mechanism.

[0042] The following explanation will take the structure of the correction mechanism in Chinese utility model patent CN221853203U, entitled "A Novel Split-Type Dual-Axis Correction Mechanism," as an example. Figure 1 As shown, the dual-axis correction mechanism mainly includes a support base, a first rotary mechanism, a second rotary mechanism, a third rotary mechanism, and a split-type linkage mechanism and an actuator cylinder for driving the first, second, and third rotary mechanisms to deflect. The second and third rotary mechanisms have the same structure, both including an active rotary idler frame, a driven rotary idler frame, and a split-type rotary roller. Split-type rotary rollers are respectively installed on the active and driven rotary idler frames. The first rotary mechanism includes an active rotary idler frame, a driven rotary idler frame, and a carrying idler. The active rotary idler... Carrying idlers are respectively installed on the roller frame and the driven rotary idler frame. The first rotary mechanism is located in the middle of the support base, and the second and third rotary mechanisms are located on both sides of the first rotary mechanism. Thus, a carrying idler is installed on each side of the support base, and a pair of rotary rollers are installed at each end of the support base. The two rotary rollers are located on both sides of the support base, and the axes of the rotary roller and the carrying idler on the same side are in the same plane, forming a single-axis correction unit. In this invention, there are two parallel and opposite single-axis correction units, forming a dual-axis correction mechanism. The dual-axis correction mechanism has a greater corrective force for the conveyor belt.

[0043] The conveyor belt is located between the rotary rollers on both sides of the dual-axis correction mechanism and is supported by the load-bearing idler roller located in the middle. The cross-section of the conveyor belt forms a groove shape. A left-side detection drive assembly 1 and a right-side detection drive assembly 1 are respectively arranged on both sides of the support base. The left-side detection drive assembly 1 is welded to the left side of the bracket of the dual-axis correction mechanism 20, and the right-side detection drive assembly 1 is arranged on the right side of the bracket of the dual-axis correction mechanism. The length direction of the wheel axis of each detection drive assembly is perpendicular to the conveying direction of the conveyor belt or at a slight angle. Its height and front-back positions correspond to the position of the edge of the conveyor belt. When the conveyor belt deviates, it can contact the edge of the conveyor belt. Preferably, the right-side detection drive assembly 1 and the left-side detection drive assembly 1 are symmetrically arranged on both sides of the dual-axis correction mechanism. Under normal circumstances, the axis of the rotary roller is perpendicular to the running direction of the conveyor belt, and the position of the rotary roller is adapted to the position of the conveyor belt. When the conveyor belt deviates, the rotary roller bracket deflects under the drive of the actuator cylinder. When the rotary roller bracket deflects, the rotary roller can contact the conveyor belt to correct the conveyor belt. This invention uses a dual-axis correction mechanism as an example to describe the correction system. Each correction device is equipped with an actuator cylinder 19, which drives the rotary roller brackets on both sides of the dual-axis correction mechanism to rotate synchronously, thereby causing the rotary rollers located on both sides of the conveyor belt to move synchronously and correct deviations in different directions of the conveyor belt. Each control component 2 is connected to the actuator cylinder and controls the movement of the actuator cylinder.

[0044] The number of belt-correcting devices depends on the length of the conveyor belt and specific conditions. Generally, a short conveyor belt may require one device, but typically at least two are necessary to form a correction group, providing greater correction force. When more than two devices are installed, they are arranged along the length of the conveyor belt, ensuring that each side has at least two detection drive wheels and rotary rollers. This allows for more timely detection of belt deviation and provides greater correction force. In particular, when three or more devices are installed along the conveyor belt, each device can act independently, promptly correcting deviations at different locations. For very long conveyor belts, this setup requires more devices. To reduce the number of devices while still providing good correction performance, it is best to install at least one dual-axis correction mechanism at both the beginning and end of the conveyor belt. Ideally, 1-3 dual-axis correction mechanisms are preferred. One to three dual-axis correction mechanisms are installed at both the front and rear ends of the conveyor belt, so that each end of the conveyor belt has one to three detection drive wheels. Since the conveyor belt's deviation is most pronounced at the front and rear ends, correction at these ends is most effective and requires the fewest correction devices. When multiple sets of correction mechanisms 20 are installed, the distances between the detection drive wheels and the conveyor belt are not equal. This allows for multiple corrections of varying degrees. The conveyor belt first encounters the closest detection drive wheel for correction; if the correction is insufficient, it then encounters a slightly farther detection drive wheel for further correction, achieving a better correction effect. In the conveyor belt system and adaptive conveyor belt correction system of this embodiment, the distances between the detection drive wheels of each correction device on each side and the edge of the conveyor belt are different. This allows for adaptive adjustment based on the degree of conveyor belt deviation, with correction mechanisms at different positions multiplying the correction force.

[0045] In this invention, it is preferable to have one energy storage component for each correction device. In this way, multiple energy storage components can be distributed along the length of the conveyor belt to provide hydraulic oil to the downstream hydraulic power devices at different locations. Typically, the left energy storage component 11 is mounted on the beam of the dual-axis correction mechanism 20, and the right energy storage component 15 is mounted on the opposite beam.

[0046] like Figure 7 and Figure 8As shown, the adaptive conveyor belt correction system of the present invention, the conveyor belt system containing the adaptive correction system, and the energy-saving energy storage method are described by taking the example of setting two correction devices at both ends of the conveyor belt and setting two energy storage components for each correction device. Two belt-correcting devices, namely belt-correcting device one and belt-correcting device two, are installed at the head end of the conveyor belt along its length. Two belt-correcting devices, namely belt-correcting device three and belt-correcting device four, are installed at the tail end of the conveyor belt along its length. The left-first detection drive assembly 37 and the right-first detection drive assembly 41 of belt-correcting device one, the left-second detection drive assembly 38 and the right-second detection drive assembly 42 of belt-correcting device two, the left-third detection drive assembly 39 and the right-third detection drive assembly 43 of belt-correcting device three, and the left-fourth detection drive assembly 40 and the right-fourth detection drive assembly 44 of belt-correcting device four are respectively installed on both sides of the head and tail ends of the conveyor belt along its length. The distance between each detection drive assembly and the edge of the conveyor belt can be equal or unequal. Ideally, the distance between the detection drive wheels of each detection drive assembly and the conveyor belt should be unequal. For example, the distance between the two detection drive assemblies at the head and the edge of the conveyor belt is m. The distance between the two detection drive components at the head and the edge of the conveyor belt is n; the distance between the two detection drive components at the tail and the edge of the conveyor belt is k; and the distance between the two detection drive components at the tail and the edge of the conveyor belt is h. m, n, h, and k can be equal or unequal; m can be less than n and h less than k, or m can be greater than n and h greater than k. This allows for two adjustments to the conveyor belt's deviation at both the head and tail ends. Corresponding to each of the aforementioned correction devices, left energy storage components 22, 23, 30, 31, 25, 33, 34, 33, 33, and 34 are respectively installed on both sides of the conveyor belt. The conveyor belt 35 is wound around the head roller 36 and the tail roller 28, and is equipped with a right tension cylinder 29 and a left tension cylinder 27. Its working process is as follows: Figure 7 As shown, when the conveyor belt head deviates to the left, the conveyor belt contacts the detection drive wheel 1-1 of the nearest left detection drive assembly 37. The power of the conveyor belt causes the detection drive wheel 1-1 to rotate, which in turn drives the input shaft of its hydraulic pump 1-2 to rotate. The hydraulic pump 1-2 draws oil from the oil tank's suction port 4 and pumps the hydraulic fluid out through the hydraulic control directional valve inlet A. The hydraulic fluid then passes through the hydraulic control directional device 2-1 and enters the rodless chamber of the actuator cylinder 19, pushing the left unidirectional correction unit of the dual-axis correction mechanism 20 to move in the direction of the conveyor belt's movement, thus correcting the conveyor belt's deviation. At the same time, the kinetic energy of the conveyor belt is converted into the pressure energy of the hydraulic system. If the conveyor belt still deviates after correction by the first correction device, it contacts the detection drive wheel 2 of the second correction device, which is farther away from the conveyor belt, and the second correction device continues to correct the conveyor belt.

[0047] When the conveyor belt is long, the number of correction devices can be increased so that the distance between the detection drive wheel of each correction device and the conveyor belt is not equal. Multiple corrections are performed to increase the correction force on the conveyor belt until the conveyor belt deviation can be corrected or the expected correction effect is achieved.

[0048] During the correction process of the correction device, when the rodless chamber of the actuator cylinder 19 reaches the end point, the conveyor belt has not yet disengaged from the detection drive wheel 1-1. At this time, the left hydraulic pump 1-2 is still working, so the system pressure increases. When it reaches the set value of the left sequence valve 2-2, the left sequence valve 2-2 opens, and the hydraulic oil enters the left accumulator 11-5 through the left two-way hydraulic control directional valve 11-3 and the left shut-off valve 11-4 to store the hydraulic oil.

[0049] Once the conveyor belt deviation has been corrected and the conveyor belt has disengaged from the detection drive wheel 1-1, the left hydraulic pump 1-2 stops working, the actuator cylinder 19 and the dual-axis correction mechanism 20 stop at their current positions, and the left accumulator 11-5 stops storing oil.

[0050] When the conveyor belt continues to deviate after being corrected by the first correction device, and the conveyor belt contacts the detection drive wheel in the second left detection drive assembly 38, the first left detection drive assembly is still working, and the left hydraulic pump 1-2 is still storing energy in the left accumulator. To prevent the left accumulator from having excessive energy storage pressure, the left normally open shut-off valve 11-7 can be opened to release the pressure in the left accumulator. Similarly, when the left correction device, which is farther away from the conveyor belt, is correcting the belt, the left detection drive wheels, which are closer to the conveyor belt, are all working continuously, which will also cause the left accumulator to have excessive energy storage pressure. In this case, the left shut-off valve 11-7 also needs to be opened to release the pressure in the left accumulator.

[0051] When other hydraulic systems require hydraulic oil, simply insert the left quick-change connector 11-6 to connect the downstream hydraulic actuator, move the left manual directional valve 11-2 to the working position, and adjust the left throttle valve 11-1 according to system needs to provide the downstream hydraulic actuator with the required pressure and flow of hydraulic oil; after the downstream hydraulic actuator completes the corresponding action, move the left manual directional valve 11-2 back to the initial position, and the hydraulic oil in the downstream actuator, such as the jack and tensioning cylinder, is released back into the left oil tank 2-4;

[0052] When the head conveyor belt deviates to the right, it contacts the right detection drive wheel 1-1 of the closest right-side detection drive wheel. The power of the conveyor belt causes the detection drive wheel 1-1 to rotate, which in turn drives the input shaft of the right hydraulic pump 1-2. The right hydraulic pump 1-2 draws oil from the oil tank's suction port 25, passes through the hydraulic control reversing device 2-1, and enters the rod chamber of the actuator cylinder 19. This drives the dual-axis correction mechanism 20 to move in the direction of the conveyor belt's movement, thus converting the kinetic energy of the conveyor belt into the pressure energy of the hydraulic system. Similarly, when the conveyor belt fails to achieve the correction effect, it contacts the right second detection drive wheel of the right second detection drive assembly, which is farther away, and the correction mechanism 2 reinforces the correction. When the conveyor belt is too long and the correction is still insufficient, additional correction mechanisms are added to increase the distance between the detection drive wheels on both sides and the conveyor belt to be greater than the distance between the right second detection drive wheel and the conveyor belt, until the predetermined correction effect is achieved. Similarly, during the correction process, when the rod chamber of the actuator cylinder 19 reaches the end point, the conveyor belt has not yet disengaged from the detection drive wheel 1-1. At this time, the right hydraulic pump 1-2 is still working, so the system pressure increases. When it reaches the set value of the right sequence valve 2-3, the right sequence valve 2-3 opens, and the hydraulic oil enters the right accumulator 15-5 through the right two-way valve 15-3 and the right shut-off valve 15-4 to store the hydraulic oil. After the conveyor belt disengages from the right detection drive wheel 1-1, the right hydraulic pump 1-2 stops working, the actuator cylinder 19 and the dual-axis correction mechanism 20 stop at their current positions, and the right accumulator 15-5 stops storing oil. When other hydraulic systems require hydraulic oil, simply insert the right quick-connect coupling 15-6 to connect the downstream hydraulic actuator, move the right manual directional valve 15-2 to the working position, and adjust the right throttle valve 15-1 according to system needs to provide the downstream hydraulic actuator with the required pressure and flow of hydraulic oil. After the downstream hydraulic actuator completes the corresponding action, move the right manual directional valve 15-2 back to the initial position, and the hydraulic oil in the downstream actuator is released back into the right oil tank 2-4. After the correction device corrects the deviation, when the conveyor belt disengages from the corresponding detection drive wheel, the actuator cylinder and the dual-axis correction mechanism stop at the current position, and the right accumulator stops storing oil.

[0053] When the tail of the conveyor belt deviates to the left, the detection drive wheel of the left third detection drive assembly, located at the tail end and closest to the tail end, contacts the conveyor belt, activating the third correction device to correct the deviation, the process being the same as when the head deviates. When the tail of the conveyor belt deviates to the right, the detection drive wheel of the right third detection drive assembly, located at the tail end and closest to the right side of the tail end, contacts the conveyor belt, activating the third correction device to correct the deviation, the process being the same as when the head deviates.

[0054] Downstream hydraulic actuators can be tensioning cylinders, or other devices that utilize hydraulic pressure, such as maintenance hydraulic jacks. Figure 5The tensioning cylinder can be powered as follows: For example, when the conveyor belt head deviates to the left, and the belt deviation is being corrected, if the actuator cylinder 19 of the second correction device reaches its end point but the conveyor belt is still misaligned, the belt deviation can be further adjusted as follows: Connect the left quick connector of the left energy storage component to the rodless chamber of the tensioning cylinder, and connect the right quick connector of the right energy storage component to the rod chamber of the tensioning cylinder. Using the nearest available option, open the manual reversing valves in the left and right fourth energy storage components to form a circuit, thus actuating the tensioning cylinder. Simultaneously, other energy storage components can be activated as needed, and the tensioning cylinder can be used for final adjustment of the conveyor belt deviation. Figure 6 The diagram shows the working process of a hydraulic jack for maintenance when powered. The energy storage component is connected to the rodless chamber of the hydraulic jack via a hose with a quick connector. The manual directional valve in the energy storage component is then opened to supply oil to the hydraulic jack, causing it to lift. After the maintenance work is completed, the corresponding manual directional valve is closed, and the hydraulic oil in the rodless chamber of the hydraulic jack returns to the oil tank under the load, thus realizing the recycling of energy.

[0055] In this invention, preferably, a manifold valve is provided to effectively integrate the energy stored in the correction devices of each component for use by the entire system. Each energy storage component is connected to the interface of the manifold valve via its quick connector, allowing multiple energy storage components to be connected to the same manifold valve. The hydraulic oil in each energy storage component is shared through the manifold valve. The actuator can be connected to one interface of one of the manifold valves, thereby borrowing the hydraulic oil stored in any energy storage component. For example, the quick connector of the left first energy storage component in the first correction device is connected to the quick connector 45 of the manifold valve 24; the quick connector of the left second energy storage component in the second correction device is connected to the quick connector 46 of the manifold valve 24; the quick connector of the left third energy storage component in the third correction device is connected to the quick connector 48 of the manifold valve 24; the quick connector of the left fourth energy storage component in the fourth correction device is connected to the quick connector 49 of the manifold valve 24; and the quick connector 47 of the manifold valve 24 is connected to the downstream hydraulic actuator. In this way, the downstream actuator can use the hydraulic oil in any one of the energy storage components or the hydraulic oil in multiple energy storage components. The connection method between the right energy storage component and the manifold valve 32 is the same as the connection method between the left energy storage component and the manifold valve 24.

[0056] The preferred manifold valve adopts a standardized design and uses a quick-connect interface, which is flexible and convenient to connect and use. It can be used to connect the accumulator assembly with the downstream hydraulic actuator in various combinations, such as one-to-many or many-to-one.

[0057] This system and method can automatically correct belt conveyor misalignment. It can also store the continuous kinetic energy generated during misalignment and reuse this energy for hydraulic tension control, further improving the correction effect; it can also power hydraulic jacks and other hydraulic devices during on-site maintenance. The entire process requires no electrical energy, simplifying system control and reducing malfunctions caused by the electrical control system, thus lowering the failure rate of the electrical control system.

[0058] like Figure 10-13 As shown, in this invention, the preferred hydraulic directional control device includes a three-position five-way hydraulic directional control valve, which, along with two hydraulic pumps, controls the operation of the output end of an actuator cylinder. The three-position five-way hydraulic directional control valve includes a valve body 51 and a valve core 50. A valve core hole 52 is provided on the valve body. Two control chambers, E and F, are provided at both ends of the valve body and communicate with the valve core hole. Two inlets are provided: hydraulic directional control valve inlet A and hydraulic directional control valve inlet B. Two outlets are provided: hydraulic directional control valve outlet M and hydraulic directional control valve outlet N. A return port T is also provided. The inlets, outlets, return port, control chamber E, and control chamber F of the hydraulic directional control valve are connected through internal oil passages and the valve core hole. Figure 10 and 11As shown, the three-position five-way hydraulic directional valve has the following positions: a middle position where the inlet A and control chamber F are connected, and the inlet B and control chamber E are connected; and a middle position where the inlet, outlet, and return port are not connected. A left position where the inlet A and outlet M are connected, and the outlet N and return port T are connected. A right position where the inlet B and outlet N are connected, and the outlet M and return port T are connected. The rod chamber of the actuator cylinder is connected to the outlet N of the hydraulic directional valve, and the rodless chamber is connected to the outlet M. The pressure port 3 of the left hydraulic pump 1-2 is connected to the inlet A of the hydraulic directional valve, and the pressure port 6 of the right hydraulic pump is connected to the inlet B of the hydraulic directional valve. The return port T of the hydraulic directional valve is connected to the return port of the oil tank. Under normal circumstances, the hydraulic directional valve is in the middle position. When the conveyor belt deviates to the left, causing the left detection drive wheel to rotate and drive the left hydraulic pump, hydraulic oil enters the hydraulic directional valve inlet A and enters the control chamber F through the internal oil passage and valve core hole, pushing the valve core to move to the left. The hydraulic directional valve is in the left position, connecting the hydraulic directional valve inlet A and outlet M, and connecting the hydraulic directional valve outlet N and return port T. Hydraulic oil is filled into the rodless chamber of the actuator cylinder, and the hydraulic oil in the rod chamber returns to the return port T through the hydraulic directional valve outlet N, and then returns to the oil tank 2-4 through the return port T. The output end of the actuator cylinder moves to the right, thereby driving the left correction mechanism to move and correct the conveyor belt deviation. With correction function: When the conveyor belt deviates to the right, it contacts the detection drive wheel located on the right, driving the right hydraulic pump to work. Hydraulic oil enters the inlet B of the hydraulic control directional valve and enters the control chamber E through the internal oil passage and valve core hole, pushing the valve core to move to the right. The hydraulic control directional valve is in the right position, and the inlet B and outlet N of the hydraulic control directional valve are connected. The outlet M of the hydraulic control directional valve is connected to the return port T. Hydraulic oil enters the rod chamber of the actuator cylinder, pushing the output end to move to the left, thereby driving the right correction mechanism to act and correct the conveyor belt, completing the control of the correction mechanism. At the same time, the hydraulic oil in the rodless chamber returns to the return port T through the outlet M of the hydraulic control directional valve, and then returns to the oil tank through the return port T.

[0059] In this invention, the three-position five-way hydraulic directional valve preferably adopts the following oil passage structure to achieve interconnection, including two non-interconnected internal oil passages, internal oil passage 1 53 and internal oil passage 2 54. The hydraulic directional valve inlet is connected to the valve core hole 51 through process hole A1 (A1), and internal oil passage 2 54 is connected to the valve core hole through process hole A2 (A2). Internal oil passage 2 54 is connected to the control chamber F through process hole F1 (F1). Thus, the hydraulic directional valve inlet A and the control chamber F are connected through process hole A1 (A1), process hole A2 (A2), valve core hole, process hole F1 (F1), and internal flow passage 2, allowing the hydraulic directional valve to receive oil. Port B is connected to the valve core hole through process hole B1. Internal oil passage 53 is connected to the valve core hole through process hole B2. Internal oil passage 53 is connected to the control chamber E through process hole E1. Thus, the hydraulic directional valve inlet B is connected to the control chamber E through process holes B1, B2, the valve core hole, process hole E1 of control chamber E, and internal flow passage 53. Return port T is connected to the valve core hole through process hole T1. Hydraulic directional valve outlet M is connected to the valve core hole through process hole M1. Hydraulic directional valve outlet N is connected to the valve core hole through process hole N1. Each process hole, such as process hole A1, process hole A2, process hole F1 of control cavity F, process hole B1, process hole B2, process hole E1 of control cavity E, process hole T1, process hole M1, and process hole N1 of control cavity E, are all used only as connecting holes, and their free ends are all blind holes.

[0060] The working process of the three-position five-way hydraulic directional valve is as follows: When the conveyor belt is running normally without deviation, the three-position five-way hydraulic directional valve is in the middle position. When the left detection drive wheel drives the hydraulic pump, the hydraulic oil enters the hydraulic directional valve inlet A, enters the valve core hole through process hole A1, and then enters the internal oil passage through process hole A2. It then enters the control chamber F through process hole F1, pushing the valve core to move to the left to the left position, connecting the hydraulic directional valve inlet A with the hydraulic directional valve outlet M, and connecting the hydraulic directional valve outlet N with the return port T. The hydraulic oil enters the rodless chamber of the actuator cylinder, thereby pushing the piston rod of the actuator cylinder to move to the right, causing the hydraulic oil in the rod chamber to return to the return port T through the hydraulic directional valve outlet N and then flow back into the oil tank. When the right detection drive wheel drives the hydraulic pump, the hydraulic oil enters the hydraulic directional valve inlet B and enters the hydraulic directional valve through process hole B. 1. The oil enters the valve core hole, then enters the internal oil passage through process hole B2, and then enters the control chamber E through process hole E, pushing the valve core to move to the right side position. The inlet B and outlet N of the hydraulic directional valve are connected to the valve core hole, thus connecting the two. The outlet M and return T of the hydraulic directional valve are also connected to the valve core hole, thus connecting the two. The hydraulic oil enters the rod chamber of the actuator cylinder, and the hydraulic oil in the rodless chamber flows back to the oil tank through the outlet M and return T of the hydraulic directional valve. Thus, the hydraulic oil in the oil tank 2-4 can enter one end chamber of the actuator cylinder 19 through the hydraulic directional device 2-1, pushing the actuator cylinder 19 to move and driving the correction mechanism to operate. At the same time, the hydraulic oil in the other chamber returns to the oil tank 2-4 through the hydraulic directional device 2-1, converting the kinetic energy of the conveyor belt when it runs off-track into the hydraulic system pressure energy, thereby driving the actuator to move.

[0061] The correction system of the present invention also has the following advantages:

[0062] 1. This invention proposes an adaptive belt deviation correction system, which uses multiple sets of belt deviation correction devices at different positions to make the distance between each detection drive wheel of the belt deviation correction device and the conveyor belt unequal, so as to realize automatic adjustment when the conveyor belt deviates to different degrees. The system has strong deviation correction effect and fast response speed.

[0063] This invention proposes an adaptive belt deviation correction group system, which can store the kinetic energy of the conveyor belt when it deviates, and collect the pressure energy through a manifold valve to control and adjust the tensioning system, thereby further controlling the conveyor belt deviation; in addition, it can also supply energy to other hydraulic devices, such as hydraulic jacks for maintenance and tensioning cylinders, thereby achieving the purpose of energy saving and energy storage.

[0064] The energy-saving energy storage method proposed in this invention can use a manifold valve to mutually supplement the energy stored in the energy storage components of each correction device, thereby compensating for the problem of insufficient pressure energy when the actuator needs continuous adjustment.

[0065] The energy storage method proposed in this invention provides an energy storage component whose pressure energy can be used to adjust the tensioning device when the conveyor belt slips and to further correct the conveyor belt's deviation, without requiring an additional power system for the tensioning device.

[0066] 5. The flexible detection drive mechanism used in this invention can flexibly adjust its position and is suitable for conveyor belt systems of various widths. The entire system has a simple structure, strong applicability, and high reliability.

[0067] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. An adaptive conveyor belt correction system, comprising at least one correction device, the correction device including a correction mechanism, an actuator cylinder, a control component, and at least two detection drive components, wherein the actuator cylinder drives the correction mechanism to correct the conveyor belt, the detection drive components including a detection drive wheel and a hydraulic pump, the axle of the detection drive wheel being connected to the drive shaft of the hydraulic pump, and the control component controlling the opening and closing of the oil passage between the hydraulic pump and the actuator cylinder, characterized in that: It also includes an energy storage component. The control component includes a hydraulic reversing device and an oil tank. A hydraulic pump is connected to the oil tank to draw oil. The two chambers of the actuator cylinder are respectively connected to the corresponding hydraulic pumps through the hydraulic reversing device. The output end of the actuator cylinder is connected to the input end of the correction mechanism. Under the action of one hydraulic pump, the hydraulic oil in the corresponding oil tank can enter one end chamber of the actuator cylinder through the hydraulic reversing device. At the same time, the hydraulic oil in the other chamber of the actuator cylinder returns to the corresponding oil tank through the hydraulic reversing device. The energy storage component includes an accumulator. The accumulator is connected to the oil outlet of the hydraulic pump through the accumulator energy storage branch. Two detection drive components of each correction device are set on both sides of the conveyor belt. At least one correction device is set at the front end and the rear end of the conveyor belt to correct the front end and the rear end of the conveyor belt. The distance between each detection drive wheel and the conveyor belt is not equal. When the oil outlet of the hydraulic pump reaches a certain pressure value, the accumulator energy storage branch is connected, thereby connecting the accumulator and the hydraulic reversing device. The return port of the reversing device and the outlet port of the hydraulic pump are connected, and the hydraulic oil enters the accumulator. Each hydraulic pump is connected to the accumulator branch of its corresponding energy storage component. When multiple correction devices are set, two or more detection and drive components are set with one energy storage component. Each energy storage component includes at least one manifold valve. The hydraulic actuator branches of multiple energy storage components are connected to the manifold valve. The hydraulic actuator branch is connected to the accumulator, and a connector is provided on the hydraulic actuator. The accumulator is connected to the downstream hydraulic actuator through the connector on the hydraulic actuator branch to supply oil. The hydraulic actuator branch includes hydraulic actuator branch oil passages. The hydraulic actuator is a tensioning cylinder for tensioning the conveyor belt. The tensioning cylinder is connected to the connector of the energy storage component through the connector. When the hydraulic oil in the accumulator reaches a certain amount, the tensioning cylinder is connected to the accumulator, and the accumulator supplies hydraulic oil to the tensioning cylinder.

2. The adaptive conveyor belt correction system as described in claim 1, characterized in that: The described hydraulic directional control device is a three-position five-way hydraulic directional control valve. The valve includes a valve core and a valve body. A valve core hole is provided on the valve body, and the valve core is located within the valve core hole. Control chambers E and F are provided at both ends of the valve body, and both control chambers E and F communicate with the valve core hole. The valve body is respectively provided with hydraulic directional control valve inlet ports A and B, hydraulic directional control valve outlet ports M and N, and a hydraulic directional control valve return port T, all communicating with the valve core hole. The three-position five-way hydraulic directional control valve has hydraulic directional control valve inlet port A communicating with control chamber F, and hydraulic directional control valve inlet port B communicating with control chamber E. The middle position is where the oil inlet A, hydraulic directional valve oil inlet B, hydraulic directional valve oil outlet M, hydraulic directional valve oil outlet N, and hydraulic directional valve return port T are not connected. The left position is where the hydraulic directional valve oil inlet A is connected to the hydraulic directional valve oil outlet M and the hydraulic directional valve oil outlet N is connected to the hydraulic directional valve return port T. The right position is where the hydraulic directional valve oil inlet B is connected to the hydraulic directional valve oil outlet N and the hydraulic directional valve oil outlet M is connected to the return port T. The oil outlets of the hydraulic pumps of the paired detection drive components are connected to the hydraulic directional valve oil inlets A and B of the three-position five-way hydraulic directional valve through their respective hydraulic pump oil passages.

3. A conveyor belt system, characterized in that, Includes the conveyor belt and the adaptive conveyor belt correction system according to any one of claims 1-2.

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