Conveying belt system, self-adaptive conveying belt deviation correcting system and energy-saving and energy-storing method of conveying belt system

Abstract

The invention provides a conveying belt system, a self-adaptive conveying belt deviation rectifying system and an energy-saving and energy-storing method of the conveying belt system, and aims to solve the problem that kinetic energy of deviation of a conveying belt in the prior art is not fully utilized. The deviation rectifying device comprises a deviation rectifying mechanism, an execution oil cylinder, a control assembly and at least two detection driving assemblies, the execution oil cylinder drives the deviation rectifying mechanism to act to rectify deviation of the conveying belt, the conveying belt system comprises the conveying belt and the deviation rectifying system, and by the adoption of the conveying belt system, the deviation rectifying system and the energy-saving and energy-storing method, electric energy is not needed, and the energy-saving and energy-storing effects are achieved. Self-adaptive adjustment after the conveying belt deviates is achieved by means of kinetic energy generated when the conveying belt runs, meanwhile, part of kinetic energy of the conveying belt is stored in the energy storage assembly in the form of pressure energy, energy can be provided for a conveying belt system and other hydraulic devices, and energy conversion and storage are achieved while energy is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of belt conveyor control and belt conveyor energy saving and energy storage, and in particular to a conveyor belt system, an adaptive conveyor belt deviation correction system and an energy saving and energy storage method for the conveyor belt system. Background Art

[0002] Belt conveyors are widely used in material transportation in ports, power plants, mines and other fields, greatly improving the conveying efficiency of bulk materials. Conveyor belt deviation is a common problem in belt conveyors. It is one of the main reasons for the sudden shutdown of belt conveyors, material spillage, rack blockage, shortened service life of conveyor belts, etc., which not only affects the production of enterprises, but also causes environmental pollution. At present, the mechanisms to solve the deviation problem mainly include mechanical correction mechanisms and electronic control correction mechanisms. Mechanical correction mechanisms are mostly passive self-aligning structures, which cannot continuously provide stable return force, making the correction effect unsatisfactory. Although the electronic control correction system can provide precise correction force by relying on the electronic control system, it requires a complete set of power supply and control devices. Since the use environment of belt conveyors is relatively poor, the correction system mostly works in a poor working environment and will frequently operate during correction. The electronic control system is mostly controlled by electronic components. In a poor working environment, its operating reliability is affected to a certain extent, and failures are relatively frequent, which seriously affects its use effect.

[0003] For this purpose, mechanical deviation correction devices have emerged. For example, the Chinese invention patent with the publication number CN 101214881A discloses a hydraulic control detection and drive system involving a hydraulic control linkage deviation correction machine. The system is a hydraulic circuit composed of two detection and drive wheels, two hydraulic pumps, a central control station, an oil cylinder, and a temperature positioner connected by oil pipes. The detection and drive wheels are between the two groups of linkage rollers of the linkage deviation correction mechanism, on both sides of the edge of the belt, to detect whether the belt is running in the center of the conveyor frame. The detection and drive wheels are installed on the shaft head of the hydraulic pump. 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 and provides power for the hydraulic system. The oil cylinder is in the flat layer of the linkage deviation correction mechanism frame, the cylinder body is hinged to the frame frame, and the piston end is hinged to the active rod end of the linkage self-aligning frame to drive the linkage deviation correction mechanism. The central control station is used to sequentially control the extension and contraction of the oil cylinder piston. When the belt runs off-center, the edge of the belt touches the detection and drive wheel on the offset side and drives the detection and drive wheel to rotate. The inspection and drive wheel drives the hydraulic pump to pressurize the central control station. The logic valve group in the central control station controls the oil cylinder to push out or pull in the piston rod in the set order. The push and pull of the cylinder piston rod drives the active arm rod. The middle active arm rod directly drives the shaft of the middle active roller bracket. The active rods on both sides drive the inclined active roller bracket shafts on both sides through the universal joint. The active connecting rod hinges the active arm rods in the middle and on both sides. One end of the active roller bracket drives the corresponding end of the driven roller bracket through the driven connecting rod. In this way, each roller on the active roller bracket and the driven roller bracket realizes synchronous clockwise or counterclockwise synchronous deflection with the shaft of each roller bracket as the axis. After the deflection, the linear movement direction of the roller is inconsistent with the running direction of the belt. The lateral friction force of the belt generated during the deflection drives the belt back to between the two inspection and drive wheels, that is, back to the center of the conveyor frame for operation. The system and method do not use power, but rely on the friction between the belt and the detection and drive wheel to drive the detection and drive wheel to rotate when the belt deviates, and control the oil cylinder to drive the correction mechanism to correct the conveyor belt through the rotation of the detection and drive wheel to correct the conveyor belt. In this system, although the correction is achieved, a group of correction devices often cannot provide sufficient correction force for correction, and the correction effect is not ideal, so that the friction between the detection and drive wheel and the conveyor belt always exists, and the hydraulic pump is always in a working state, so that the pressure of the correction system continues to increase, affecting the service life of the components. At the same time, the kinetic energy of the conveyor belt deviation is not fully utilized. In addition, during the operation of the belt, since the deviation of the conveyor belt is a complex dynamic process, the deviation correction work always exists. Even if sufficient correction force is obtained to correct the deviation of the conveyor belt, this correction is only temporary and only prevents the belt from excessive deviation. Therefore, the deviation correction of the conveyor belt is a dynamic and continuous process, and the kinetic energy generated during the deviation of the conveyor belt is not fully utilized. Summary of the invention

[0004] In view of the problem in the prior art that the kinetic energy of conveyor belt deviation is not fully utilized, the present invention provides a conveyor belt system, an adaptive conveyor belt deviation correction system and an energy-saving energy storage method for the conveyor belt system.

[0005] The present invention is achieved through the following technical solutions: An adaptive conveyor belt deviation correction system comprises at least one deviation correction device, the deviation correction device comprises a deviation correction mechanism, an execution oil cylinder, a control component and at least two detection drive components, the execution oil cylinder drives the deviation correction mechanism to correct the conveyor belt, the detection drive component comprises a detection drive wheel and a hydraulic pump, the wheel axle of the detection drive wheel is connected to the drive shaft of the hydraulic pump, the control component controls the on-off of the oil channel between the hydraulic pump and the execution oil cylinder, and also comprises an energy storage component, the control component comprises a hydraulically controlled reversing device and an oil tank, the hydraulic pump is connected to the oil tank to absorb oil, the two chambers of the execution oil cylinder are respectively connected to the corresponding hydraulic pump through the hydraulically controlled reversing device, the output end of the execution oil cylinder is connected to the input end of the deviation correction mechanism, under the action of a hydraulic pump, the hydraulic oil in the corresponding oil tank can enter the cavity at one end of the execution oil cylinder through the hydraulically controlled reversing device, and at the same time, the hydraulic oil in the other chamber of the execution oil cylinder returns to the corresponding oil tank through the hydraulically controlled reversing device, the energy storage component comprises an accumulator, and the accumulator is connected to the oil outlet of the hydraulic pump through the accumulator energy storage branch; When the oil outlet of the hydraulic pump reaches a certain pressure value, the energy storage branch of the accumulator is connected, so that the accumulator is connected with the oil return port of the hydraulic reversing device and the oil outlet of the hydraulic pump, and the hydraulic oil enters the accumulator; and / or includes at least two of the correcting mechanisms, each of the hydraulic pumps is connected with the energy storage branch of the accumulator of the corresponding energy storage component, when multiple correcting mechanisms are provided, more than two detection drive components are provided with an energy storage component, and the energy storage component on each side includes at least one confluence valve, and the hydraulic actuator branches of multiple energy storage components are connected to the confluence valve; The hydraulically controlled reversing device is a three-position five-way hydraulically controlled reversing valve, which includes a valve core and a valve body. A valve core hole is provided on the valve body, and the valve core is located in the valve core hole. A control chamber E and a control chamber F are provided at both ends of the valve body, and the control chamber E and the control chamber F are both connected to the valve core hole. The valve body is respectively provided with a hydraulically controlled reversing valve oil inlet A and a hydraulically controlled reversing valve oil inlet B, a hydraulically controlled reversing valve oil outlet M and a hydraulically controlled reversing valve oil outlet N, and a hydraulically controlled reversing valve oil return port T that can be connected to the valve core hole. The three-position five-way hydraulically controlled reversing valve has a hydraulically controlled reversing valve oil inlet A that is connected to the control chamber F, a hydraulically controlled reversing valve oil inlet B that is connected to the control chamber E, and a hydraulically controlled reversing valve. The middle position where the oil inlet A, the oil inlet B of the hydraulic control reversing valve, the oil outlet M of the hydraulic control reversing valve, the oil outlet N of the hydraulic control reversing valve and the oil return T of the hydraulic control reversing valve are not connected, the left position where the oil inlet A of the hydraulic control reversing valve is connected to the oil outlet M of the hydraulic control reversing valve and the oil outlet N of the hydraulic control reversing valve is connected to the oil return T of the hydraulic control reversing valve, the right position where the oil inlet B of the hydraulic control reversing valve is connected to the oil outlet N of the hydraulic control reversing valve and the oil outlet M of the hydraulic control reversing valve is connected to the oil return T, and the oil outlet of the hydraulic pump of the detection drive assembly arranged in pairs is respectively connected to the oil inlet A of the hydraulic control reversing valve and the oil inlet B of the hydraulic control reversing valve of the three-position five-way hydraulic control reversing valve through their respective hydraulic pump oil passages; It includes a hydraulic actuator branch, the hydraulic actuator branch is connected to the accumulator, and a joint is provided on the hydraulic actuator. The accumulator is connected to the downstream hydraulic actuator through the joint provided on the hydraulic actuator branch to supply oil, and the hydraulic actuator branch includes a hydraulic actuator branch oil channel; The hydraulic actuator is a tensioning cylinder used for conveyor belt tensioning. The tensioning cylinder is connected to the joint of the energy storage component through a joint. 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.

[0006] A conveyor belt system includes a conveyor belt and a deviation correction system. The deviation correction system adopts the above-mentioned structure. Two detection drive components of each deviation correction device are arranged on both sides of the conveyor belt. At least one deviation correction mechanism is respectively arranged 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 distances between each detection drive wheel and the conveyor belt are different.

[0007] An energy-saving energy storage method for a conveyor belt system, which converts the kinetic energy generated during the deviation of the conveyor belt into a hydraulic driving force by driving a hydraulic pump drive shaft to rotate, drives the hydraulic oil in the system into an actuator cylinder through the hydraulic driving force, converts the kinetic energy generated in the system into driving power for the actuator cylinder, and then stores the hydraulic oil that cannot be absorbed by the actuator cylinder in an accumulator of an energy storage component, thereby realizing energy-saving energy storage for the conveyor belt system; Supplying the hydraulic oil stored in the accumulator to other hydraulic actuators, and / or returning the hydraulic oil stored in the accumulator to the oil tank to replenish the consumption of the oil in the oil tank; Adopting the above-mentioned adaptive conveyor belt deviation correction system; When other hydraulic systems need hydraulic oil, connect the downstream hydraulic actuator, turn the manual reversing valve to the working position and adjust the throttle valve according to system needs to provide the downstream hydraulic actuator with hydraulic oil of required pressure and flow; when the downstream hydraulic actuator completes the corresponding action, turn the manual reversing valve to the initial position, and the hydraulic oil in the downstream actuator is released back into the oil tank. After being corrected by multiple deviation devices, 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 joint in the confluence valve, and the tension of the conveyor belt is adjusted by the tensioning cylinder, thereby adjusting the deviation of the conveyor belt.

[0008] Compared with the prior art, the present invention has the following advantages: The conveyor belt system, deviation correction system and energy-saving energy storage method of the present invention do not require electric energy. The kinetic energy of the conveyor belt during operation is relied upon to achieve adaptive adjustment of the conveyor belt after it deviates. At the same time, part 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, thereby saving energy and realizing energy conversion and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the mechanical structure of an embodiment of the adaptive conveyor belt deviation correction system of the present invention; Figure 2 This is a schematic diagram of the structure of a detection drive component embodiment of the present invention; Figure 3 This is a schematic structural diagram of an embodiment of a left energy storage assembly of the present invention; Figure 4 It is a structural schematic diagram of an embodiment of a right energy storage assembly of the present invention; Figure 5 This is a schematic diagram of the control mechanism of an embodiment of the adaptive conveyor belt deviation correction system of the present invention.

[0010] Figure 6 This is a schematic diagram of the control mechanism of another embodiment of the adaptive conveyor belt deviation correction system of the present invention.

[0011] Figure 7 This is a diagram showing an embodiment of the arrangement of energy storage components of the adaptive conveyor belt deviation correction system of the present invention; Figure 8 This is a diagram showing an embodiment of the arrangement of the detection and driving components in each deviation correction mechanism in the self-adaptive conveyor belt deviation correction system of the present invention; Fig. 9 This is a schematic structural diagram of an embodiment of a confluence valve of the present invention; Fig.10This is a schematic diagram of the structure of an embodiment of a three-position five-way hydraulically controlled directional control valve of the present invention, wherein the three-position five-way hydraulically controlled directional control valve is in the middle position; Fig.11 It is a schematic diagram of the on-off state of the three-position five-way hydraulically controlled reversing valve of the present invention when it is in the left position; Fig.12 It is a schematic diagram of the on-off state of the three-position five-way hydraulically controlled reversing valve of the present invention when it is in the right position; Fig.13 It is a schematic structural diagram of an internal oil passage embodiment of the present invention.

[0012] Reference numerals: Detection drive assembly 1, detection drive wheel 1-1, hydraulic pump 1-2, adjustment bolt 1-3, rotatable support 1-4, adjustment fixing bracket 1-5, elastic element 1-6, fixed base plate 1-7, pin shaft 1-8, adjustment 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 oil outlet 7, sequence valve oil outlet 10, left energy storage 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 stop valve 11-4, left accumulator 11-5, left quick-change joint 11-6, left normally closed stop valve 11-7 ; Left energy storage component oil outlet 12; Left energy storage component oil inlet 13; Left energy storage component energy storage oil port 14; Right energy storage component 15, right throttle valve 15-1, right manual reversing valve 15-2, right two-way hydraulic control reversing valve 15-3, right stop valve 15-4, right accumulator 15-5, right quick-change connector 15-6, right energy storage component oil outlet 16, right energy storage component oil inlet 17, right energy storage component energy storage oil port 18; Executing cylinder 19, correction mechanism 20, left first energy storage component 22, left second energy storage component 23, left confluence 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 One energy storage assembly 30, right second energy storage assembly 31, right confluence valve 32, right third energy storage assembly 33, right fourth energy storage assembly 34, conveyor belt 35, head roller 36, left first detection drive assembly 37, left second detection drive assembly 38, left third detection drive assembly 39, left fourth detection drive assembly 40, right first detection drive assembly 41, right second detection drive assembly 42, right third detection drive assembly 43, right fourth detection drive assembly 44, quick connector one 45, quick connector two 46, quick connector five 47, quick connector three 48, quick connector four 49, 50-valve core; 51-valve body; 52-valve core hole; 53-internal oil passage one; 54-internal oil passage two; 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 chamber E process hole; F1-control chamber F process hole; M1-M port process hole; N1-N port process hole; T1-T port process hole. DETAILED DESCRIPTION

[0013] The technical solution of the present invention is described in detail below in conjunction with specific embodiments and drawings. The following technical solution of the present invention is only a specific implementation method and is not a limitation of the implementation method of the present invention. For the convenience of description, the present invention uses the hydraulic oil port that is consistent with the direction of the hydraulic oil pumped out by the hydraulic pump as the oil inlet.

[0014] The present invention provides an adaptive conveyor belt deviation correction system and a conveyor belt system containing the adaptive conveyor belt deviation correction system. The adaptive conveyor belt deviation correction system includes an adaptive deviation correction device and an energy-saving energy storage component. The adaptive deviation correction device is hereinafter referred to as the deviation correction device. Each deviation correction device is used to correct the conveyor belt, and the energy-saving energy storage component is used to store the kinetic energy generated by the deviation correction device during the deviation correction process, that is, the kinetic energy generated during the deviation of the conveyor belt in the form of pressure energy, so as to provide a continuous energy source for the adaptive deviation correction system, and at the same time, the kinetic energy of the conveyor belt when it deviates can also be utilized, thereby reducing the energy consumption of the entire system.

[0015] It is best to use at least two or more deviation correction devices and more than two energy-saving energy storage components. The number and location of the deviation correction devices are determined according to the length of the conveyor belt and the deviation position. When more than two sets of deviation correction devices are set, the deviation correction devices can be evenly distributed along the length of the conveyor belt to correct the conveyor belt multiple times. They can also be concentrated at both ends of the conveyor belt to detect and control the deviation of the head and tail ends of the conveyor belt, thereby adjusting the deviation of the entire conveyor belt from the head and tail ends.

[0016] like Figure 1 Combination Figure 5 As shown, each correction device includes an execution 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 the correction mechanism of the prior art. Generally, the left detection drive component and the right detection drive component 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 driving shaft of the hydraulic pump. When the detection drive wheel rotates, the hydraulic pump can be driven to rotate. The movable bracket supports the hydraulic pump and is fixedly arranged on the frame of the correction mechanism through the movable bracket.

[0017] The movable bracket preferably adopts the following structure, including an adjustable fixed bracket 1-5, a rotatable support 1-4, an elastic element 1-6 and a fixed plate 1-7. An elongated hole is provided on the adjustable fixed bracket, and the length direction of the elongated hole is consistent with the length direction of the hydraulic pump shaft. The horizontal end of the adjustable fixed bracket 1-5 is fixed to the upper surface of the rotatable support 1-4 through bolts, elongated holes and bolt holes, and can be relatively moved on the rotatable support through the elongated holes, so as 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 1-5 on the adjustable fixed bracket by bolts; the adjusting bolt 1-3 is passed through By adjusting the long strip hole set on the fixed bracket 1-5 and the through hole set on the rotatable support and fixedly connected with the fixed base plate 1-7 located below the rotatable support, an adjusting nut 1-9 is set on the adjusting bolt below the rotatable support 1-4, and an elastic element is sleeved between the adjustable nut and the rotatable support 1-4. The end opposite to the end where the fixed plate 1-7 is fixedly connected with the adjusting bolt is rotatably fixedly connected to the end of the rotatable support 1-4 away from the detection driving wheel through the pin shaft 1-9. The force of the elastic element 1-7 can be adjusted by the adjusting nut, and the angle of the detection driving wheel 1-1 can be adjusted by the pin shaft and the adjusting bolt.

[0018] like Figure 5 As shown, the control component 2 includes a hydraulically controlled reversing device 2-1 and an oil tank 2-4. The liquid inlet of the hydraulic pump of each detection drive component is connected to the oil suction port of the oil tank 2-4. The two chambers of the actuator cylinder are connected to the oil tank through the hydraulically controlled reversing device 2-1 respectively, 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 the cavity at one end of the actuator cylinder 19 through the hydraulically controlled reversing device 2-1. The hydraulic oil in one chamber of the actuator cylinder pushes the actuator cylinder 19 to move to the oil chamber on the other side, 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 hydraulically controlled reversing device 2-1. The connecting oil channel between the hydraulic pump and the oil inlet of the hydraulically controlled reversing device is called the hydraulic pump oil channel. Each hydraulic pump is equipped with a hydraulic pump oil channel connected to the oil inlet of the hydraulically controlled reversing device. An energy storage branch is provided on the hydraulic pump oil channel, and a sequence valve is provided on the energy storage branch. The liquid inlet end of the sequence valve is connected to the hydraulic pump oil channel, and the other end is used to connect the energy storage component. When the sequence valve is opened, the hydraulic oil in the oil tank enters the energy storage component under the action of the hydraulic pump and is stored at a certain pressure.

[0019] Each detection drive component may be configured with a corresponding energy storage component, each detection drive component may be configured with multiple energy storage components, or multiple detection drive components may be configured with one energy storage component.

[0020] The structures of each energy storage component are consistent. Now let's take a hydraulic pump oil channel equipped with an energy storage component as an example. The two hydraulic pump oil channels of each correction mechanism are respectively equipped with an energy storage component, namely the left energy storage component 11 and the right energy storage component 15. Now take the structure of the left energy storage component as an example to explain the structure of the energy storage component. 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 to achieve the connection between the other end of the left sequence valve and the left energy storage component. When the pressure in the control component system, that is, at the outlet of the left hydraulic pump, increases 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, and the hydraulic oil is stored 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 supplement 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 being damaged by excessive pressure. The following is an embodiment of the left accumulator energy storage branch, including a left energy storage branch oil channel, on which a left two-way hydraulically controlled reversing valve 11-3 and a left stop valve 11-4 are arranged, and the left two-way hydraulically controlled reversing valve 11-3 and the left stop valve 11-4 are located on the oil channel 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 separated from the left detection drive wheel 1-1, the left hydraulic pump 1-2 is still working, and 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 hydraulically controlled reversing valve 11-3 and the left stop valve 11-4 to store the hydraulic oil. The left oil circulation branch includes a left oil circulation branch oil channel, on which a left normally closed stop valve 11-7 is arranged, one end of the left oil circulation branch oil channel is connected to the left energy storage branch oil channel, and the other end is connected to the oil return port of the oil tank, and the connection point between the left oil circulation branch oil channel and the left energy storage branch oil channel is located between the left stop valve 11-4 and the left two-way hydraulically controlled reversing valve 11-3, so that the oil in the left accumulator can return to the oil tank. When oil needs to be supplied to the oil tank, the left normally closed stop 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.

[0021] Preferably, the left energy storage control circuit also includes a left hydraulic actuator branch, which includes a left hydraulic actuator branch oil channel, on which a left manual reversing valve 11-2, a left hydraulically controlled reversing valve 11-3 and a left quick-change joint 11-6 are arranged, and the left hydraulic actuator branch oil channel is connected to the manual reversing valve through the left quick-change joint 11-6. When other hydraulic systems need hydraulic oil, the downstream hydraulic actuator only needs to be connected to the quick-change joint 11-6, and the left manual reversing valve 11-2 is turned to the working position, so that the required hydraulic oil can be provided to the hydraulic actuator under the control of the left hydraulic actuator branch. When the downstream hydraulic actuator completes the corresponding action, the left manual reversing valve 11-2 is turned to the initial position, and the hydraulic oil in the downstream actuator is released back to the left oil tank 2-4. The following is an embodiment of the left hydraulic actuator branch, including a left hydraulic actuator branch oil channel, on which a left throttle valve 11-1, a left manual reversing valve 11-2, and a left quick-change joint 11-6 are arranged; the oil inlet of the left manual reversing valve 11-2 is connected to the oil channel between the left two-way hydraulic control reversing valve 11-3 and the left stop valve 11-4 through an oil channel, and its oil outlet is connected to the left quick-change joint, the left throttle valve 11-1 is located between the left quick-change joint and the left manual reversing valve 11-2, and the oil return port of the left manual reversing valve is connected to the oil return port of the left oil tank. When other hydraulic systems need hydraulic oil, the downstream hydraulic actuator only needs to connect the left hydraulic actuator branch through the left quick-change connector 11-6, turn the left manual reversing valve 11-2 to the working position and adjust the left throttle valve 11-1 according to system needs, so as to provide the required hydraulic oil for the downstream hydraulic actuator; when the downstream hydraulic actuator completes the corresponding action, turn the left manual reversing valve 11-2 to the initial position, and the hydraulic oil in the downstream actuator is released back to the left oil tank 2-4. The connection structure of the right energy storage component is the same as that of the right oil tank and the control component, which will not be described in detail.

[0022] The correction mechanism 20 can adopt 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 drive assembly of the present invention, and can correct the position of the conveyor belt when the conveyor belt deviates. In the present invention, a dual-axis correction mechanism is used as an example for explanation. The embodiment of the dual-axis drive mechanism can refer to the Chinese invention patent with announcement number CN 101214881A, which discloses a passive hydraulically controlled linkage correction machine, and the Chinese patent application with announcement number CN221853203U, which is named a new type of split dual-axis correction device. For other correction mechanisms, please refer to the Chinese utility model patent with announcement number 215438425U, which is named a fully automatic correction device controlled by PLC. These embodiments are only a kind of inspiration, and do not necessarily adopt this structure, and do not constitute a limitation on the specific structure of the correction mechanism of the present invention. The above two correction mechanisms both adopt a dual-axis correction mechanism.

[0023] Now, the structure of the correction mechanism of the Chinese utility model patent with publication number CN221853203U, which is named a new type of split double-axis correction mechanism, is used as an example for explanation. Figure 1 As shown, the double-axis deviation correction mechanism mainly includes a supporting base, a first rotary mechanism, a second rotary mechanism, a third rotary mechanism, and a split connecting rod mechanism and an execution cylinder for driving the first rotary mechanism, the second rotary mechanism and the third rotary mechanism to deflect. The second rotary mechanism and the third rotary mechanism have the same structure and both include an active rotary roller frame, a driven rotary roller frame, and a split rotary roller. The active rotary roller frame and the driven rotary roller frame are respectively provided with a split rotary roller. The first rotary mechanism includes an active rotary roller frame, a driven rotary roller frame and a bearing roller. The active rotary roller frame and the driven rotary roller frame are respectively provided with a split rotary roller. The roller frame and the driven rotary roller frame are respectively provided with load-bearing rollers, the first rotary mechanism is located in the middle of the support base, and the second rotary mechanism and the third rotary mechanism are respectively located on both sides of the first rotary mechanism, so that a load-bearing roller is respectively provided on both sides of the support base, and a pair of rotary rollers are respectively provided at both ends of the support base, and the two rotary rollers are located on both sides of the support base. For the rotary roller and the load-bearing roller on the same side, their axes are located in the same plane, forming a single-axis deviation correction unit. In the present invention, there are two parallel and oppositely arranged single-axis deviation correction units, forming a double-axis deviation correction mechanism. The double-axis deviation correction mechanism has a relatively large correction force on the conveyor belt.

[0024] The conveyor belt is located between the rotary rollers on both sides of the double-axis deviation correction mechanism and is supported by the load-bearing rollers located in the middle. The cross section of the conveyor belt forms a groove shape. A left detection drive assembly 1 and a right detection drive assembly 1 are respectively arranged on both sides of the support base. The left detection drive assembly 1 is welded on the left side of the bracket of the dual-axis deviation correction mechanism 20, and the right detection drive assembly 1 is arranged on the right side of the bracket of the dual-axis deviation correction mechanism. The length direction of the wheel axis of the detection drive wheel of each detection drive assembly is perpendicular to the conveying direction of the conveyor belt or has a slight inclination angle, and its high and low positions and front and back positions correspond to the positions of the edges of the conveyor belt. When the conveyor belt deviates, it can contact the edges of the conveyor belt. It is best that the right detection drive assembly 1 and the left detection drive assembly 1 are symmetrically arranged on both sides of the dual-axis deviation 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 execution cylinder. When the rotary roller bracket deflects, the rotary roller can contact the conveyor belt to correct the conveyor belt. The present invention uses a dual-axis deviation correction mechanism as an embodiment to illustrate the deviation correction system. Each deviation correction device is provided with an execution oil cylinder 19, which drives the left and right rotary roller brackets of the dual-axis deviation correction mechanism to rotate synchronously, so that the rotary rollers on both sides of the conveyor belt can move synchronously, and can correct the deviation of the conveyor belt in different directions. Each control component 2 is connected to the execution oil cylinder to control the action of the execution oil cylinder.

[0025] The number of deviation correction devices depends on the length of the conveyor belt and the specific situation. Generally, a short conveyor belt can be provided with one deviation correction device, but usually, at least two deviation correction devices are provided, so that the deviation correction devices can form a deviation correction group to provide a greater deviation correction force for the conveyor belt. When more than two deviation correction devices are provided, each deviation correction device is arranged along the length of the conveyor belt, so that there are more than two detection drive wheels and rotating rollers on both sides of the conveyor belt, so that the deviation of the conveyor belt can be detected more timely and a greater deviation correction force can be provided. In particular, when more than three deviation correction devices are provided along the conveyor belt, each deviation correction device can be operated through its own perception to correct the deviation of the conveyor belt at different positions in time. When the conveyor belt is very long, this setting requires many deviation correction devices. In order to reduce the number of deviation correction devices and provide a better deviation correction effect, it is best to set at least one double-axis deviation correction mechanism at the head end and the tail end of the conveyor belt. 1-3 double-axis deviation correction mechanisms are preferred. One to three double-axis deviation correction mechanisms are respectively arranged at the front end and the rear end of the conveyor belt, so that the two ends of the conveyor belt are respectively provided with one to three detection drive wheels. Since when the conveyor belt deviates, its reaction at the head end and the rear end is most prominent, therefore, the correction for the head end and the rear end has the best effect, and the number of deviation correction devices used is the least. When multiple groups of deviation correction mechanisms 20 are arranged, the detection drive wheels of the deviation correction mechanisms are not arranged at equal distances from the conveyor belt, so that the conveyor belt can be corrected for many times to different degrees, and the conveyor belt first meets the detection drive wheel with a short distance for correction, and when the correction does not meet the requirements, it meets the detection drive wheel with a slightly longer distance from the conveyor belt, and the correction is performed through it, so that a better correction effect can be achieved. The conveyor belt system and the adaptive conveyor belt deviation correction system adopting the structure of the embodiment of the present invention, the detection drive wheels of each deviation correction device on each side are at different distances from the edge of the conveyor belt, so that the deviation correction mechanism at different positions can be corrected according to the deviation degree of the conveyor belt, and adaptive adjustment is performed to increase the correction force exponentially.

[0026] In the present invention, it is best to set an energy storage component for each deviation correction device, so that multiple energy storage components can be distributed along the length direction of the conveyor belt to provide hydraulic oil for downstream hydraulic power devices at different locations. Usually, the left energy storage component 11 is installed on the beam of the dual-axis deviation correction mechanism 20, and the right energy storage component 15 is installed on the opposite beam.

[0027] like Figure 7 and Figure 8As shown, taking an example in which two deviation correction devices are respectively arranged at both ends of the conveyor belt and two energy storage components are respectively arranged corresponding to each deviation correction device, the adaptive conveyor belt deviation correction system of the present invention, the conveyor belt system containing the adaptive deviation correction system and the energy-saving energy storage method are explained. A deviation correction device 1 and a deviation correction device 2 are arranged at the head end of the conveyor belt along the length direction of the conveyor belt, and two deviation correction devices, namely a deviation correction device 3 and a deviation correction device 4, are arranged at the tail end of the conveyor belt along the length direction of the conveyor belt. The first left detection drive component 37 and the first right detection drive component 41 of the deviation correction device 1, the second left detection drive component 38 and the second right detection drive component 42 of the deviation correction device 2, the third left detection drive component 39 and the third right detection drive component 43 of the deviation correction device 3, and the fourth left detection drive component 40 and the fourth right detection drive component 44 of the deviation correction device 4 are respectively arranged on both sides of the head and tail ends of the conveyor belt along the length direction of the conveyor belt. The distance between each detection drive component and the edge of the conveyor belt may be equal or unequal. It is best that the distance between the detection drive wheel of each detection drive component and the conveyor belt is unequal. For example, the distance between the two detection drive components at the first position of the head and the edge of the conveyor belt is m, and the distance between the two detection drive components at the first position of the head and the edge of the conveyor belt is m. The distance between the two detection drive components at the second position of the head and the edge of the conveyor belt is n, the distance between the two detection drive components at the first position of the tail and the edge of the conveyor belt is k, and the distance between the two detection drive components at the second position of the tail and the edge of the conveyor belt is h. m, n, h and k can be equal or unequal. It can be that m is less than n and h is less than k, or m is greater than n and h is greater than k. In this way, the deviation of the conveyor belt can be adjusted twice at the head end and the tail end respectively. Corresponding to each of the above-mentioned deviation correction devices, the left first energy storage component 22, the left second energy storage component 23, the right first energy storage component 30, the right second energy storage component 31 and the left third energy storage component 25, the left fourth energy storage component 26 and the right third energy storage component 33, the right fourth energy storage component 34 are respectively arranged 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 provided with a right tensioning cylinder 29 and a left tensioning cylinder 27. Its working process is as follows: Figure 7 As shown, when the head end of the conveyor belt 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, driving the input shaft of its hydraulic pump 1-2 to rotate. The hydraulic pump 1-2 draws oil from the oil suction port 1-4 of the oil tank, pumps out the hydraulic oil through the oil inlet A of the hydraulic control reversing valve, and enters the rodless chamber of the actuator cylinder 19 through the hydraulic control reversing device 2-1, pushing the left unidirectional correction unit of the double-axis correction mechanism 20 to move in the running direction of the conveyor belt, correcting the conveyor belt, and at the same time converting the conveyor belt energy into the pressure energy of the hydraulic system. After being corrected by the correction device 1, if the conveyor belt still deviates, it contacts the detection drive wheel 2 of the correction device 2 which is farther away from the conveyor belt, and the correction device 2 continues to correct the conveyor belt.

[0028] When the conveyor belt is long, the number of correcting devices can be increased so that the distances between the detection drive wheels of each correcting device and the conveyor belt are not equal. Multiple corrections can be performed to increase the correcting force on the conveyor belt until the deviation of the conveyor belt can be corrected or the expected correction effect is achieved.

[0029] During the deviation correction process of the deviation correction device, when the rodless chamber of the actuator oil cylinder 19 runs to the end point, the conveyor belt has not yet separated from the detection drive wheel 1-1. At this time, the left hydraulic pump 1-2 is still working, and 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 reversing valve 11-3 and the left stop valve 11-4 to store the hydraulic oil; When the deviation of the conveyor belt has been corrected and the conveyor belt is separated from the detection drive wheel 1-1, the left hydraulic pump 1-2 stops working, the execution cylinder 19 and the dual-axis deviation correction mechanism 20 stop at the current position, and the left accumulator 11-5 stops storing oil.

[0030] When the conveyor belt continues to deviate after being corrected by the first deviation correcting device, when 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 for the left accumulator. To prevent the left accumulator from storing too much pressure, the left normally open stop valve 11-7 can be opened to release the pressure of the left accumulator. Similarly, when the left deviation correcting device far from the conveyor belt is correcting, the left detection drive wheel close to the conveyor belt is still working, which will also cause the left accumulator to store too much pressure. At this time, the left stop valve 11-7 also needs to be opened to release the pressure in the left accumulator.

[0031] When other hydraulic systems need hydraulic oil, just insert the left quick-change connector 11-6 to connect the downstream hydraulic actuator, turn the left manual reversing valve 11-2 to the working position and adjust the left throttle valve 11-1 according to system needs, so as to provide the downstream hydraulic actuator with the required pressure and flow of hydraulic oil; when the downstream hydraulic actuator completes the corresponding action, turn the left manual reversing valve 11-2 to the initial position, and the hydraulic oil in the downstream actuators such as the jack and the tensioning cylinder is released back to the left oil tank 2-4; When the head conveyor belt deviates to the right, the conveyor belt contacts the right detection drive wheel 1-1 of the right first detection drive wheel closest to the conveyor belt, and the power of the conveyor belt causes the detection drive wheel 1-1 to rotate, driving the input shaft of the right hydraulic pump 1-2 to rotate. The right hydraulic pump 1-2 absorbs oil from the oil suction port 2 5 of the oil tank, and enters the rod chamber of the actuator cylinder 19 through the hydraulic control reversing device 2-1, pushing the double-axis deviation correction mechanism 20 to move in the direction of the conveyor belt, thereby realizing the conversion of the conveyor belt energy into the pressure energy of the hydraulic system; similarly, when the conveyor belt does not achieve the deviation correction effect, the conveyor belt contacts the right second detection drive wheel of the right second detection drive assembly far away from it, and the deviation correction mechanism 2 is used to strengthen the deviation correction. When the conveyor belt is long and still cannot achieve the deviation correction purpose, a deviation correction mechanism is added so that the distance between the detection drive wheels on both sides and the conveyor belt is greater than the distance between the right second detection drive wheel and the conveyor belt, until the predetermined deviation correction effect is achieved. Similarly, during the deviation correction process, when the rod chamber of the actuator cylinder 19 runs to the end point, the conveyor belt has not yet separated from the detection drive wheel 1-1. At this time, the right hydraulic pump 1-2 is still working, and 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 stop valve 15-4 to store the hydraulic oil; after the conveyor belt separates from the right detection drive wheel 1-1, the right hydraulic pump 1-2 stops working, the actuator cylinder 19 and the dual-axis deviation correction mechanism 20 stop at the current position, and the right accumulator 15-5 stops storing oil. When other hydraulic systems need hydraulic oil, just insert the right quick-change connector 15-6 to connect the downstream hydraulic actuator, turn the right manual reversing valve 15-2 to the working position and adjust the right throttle valve 15-1 according to system needs, so as to provide the downstream hydraulic actuator with the required pressure and flow of hydraulic oil; when the downstream hydraulic actuator completes the corresponding action, turn the right manual reversing valve 15-2 to the initial position, and the hydraulic oil in the downstream actuator is released back to the right oil tank 2-4; after being corrected by the correction device, when the conveyor belt is separated from the corresponding detection drive wheel, the execution cylinder and the dual-axis correction mechanism stop at the current position, and the right accumulator stops storing oil.

[0032] 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, and the deviation correction device 3 is started to correct the deviation. The process is the same as the deviation of the head. 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, and the deviation correction device 3 is started to correct the deviation. The process is the same as the deviation of the head.

[0033] The downstream hydraulic actuator can be a tensioning cylinder or other device that uses hydraulic pressure, such as a maintenance hydraulic jack. Figure 5As shown, the following method can be used to supply energy to the tensioning cylinder: for example, when the head of the conveyor belt deviates to the left and the deviation of the head of the conveyor belt is corrected, when the executive cylinder 19 of the deviation correction device 2 moves to the end point and the conveyor belt is still in the deviated state, the deviation of the conveyor belt can be adjusted by the following method: connect the left quick connector of the left energy storage component and the rodless chamber of the tensioning cylinder, connect the right quick connector of the right energy storage component and the rod chamber of the tensioning cylinder, and use the principle of proximity to switch the manual reversing valves in the left four and right four energy storage components to form a loop to activate the tensioning cylinder. At the same time, other energy storage components can be opened according to actual conditions, and the deviation of the conveyor belt can be finally adjusted through the tensioning cylinder. Figure 6 The figure shows the energy supply of the hydraulic jack for maintenance. Its working process is as follows: the energy storage component is connected to the rodless chamber of the hydraulic jack through a hose with a quick connector, and the manual reversing valve in the energy storage component is switched on to supply oil to the hydraulic jack to lift it; when the maintenance work is completed, the corresponding manual reversing valve is closed, and the hydraulic oil in the rodless chamber of the hydraulic jack returns to the oil tank under the action of the load, realizing the recycling of energy. In the present invention, preferably, a confluence valve is provided, through which the energy stored in the deviation-correcting devices of each component is effectively integrated for use by the entire system. Each energy storage component is connected to the interface of the confluence valve through its quick connector, so that multiple energy storage components are connected to the same confluence valve, and the hydraulic oil in each energy storage component is shared through the confluence valve. The actuator can be connected to an interface of one of the confluence valves, thereby borrowing the hydraulic oil stored in any energy storage component. For example, the left first energy storage assembly quick connector in the correcting device one is connected to the quick connector one 45 of the confluence valve 24, the left second energy storage assembly quick connector in the correcting device two is connected to the quick connector two 46 of the confluence valve 24, the left third energy storage assembly quick connector in the correcting device three is connected to the quick connector three 48 of the confluence valve 24, the left fourth energy storage assembly quick connector in the correcting device four is connected to the quick connector four 49 of the confluence valve 24, and the quick connector five 47 of the confluence valve 24 is connected to the downstream hydraulic actuator. In this way, the downstream actuator can use the hydraulic oil in any energy storage assembly or use the hydraulic oil in multiple energy storage assemblies; the connection method between the right energy storage assembly and the confluence valve 32 is the same as the connection method between the left energy storage assembly and the confluence valve 24.

[0034] It is preferred that the confluence valve adopts a standardized design and the interface adopts the form of a quick connector. The connection is flexible and convenient, and the accumulator assembly can be connected to the downstream hydraulic actuator in various combinations to achieve various forms such as one-to-many or many-to-one.

[0035] The system and method can automatically correct the deviation of the belt conveyor system, and at the same time can store the continuous kinetic energy generated during the deviation, and reuse the stored energy for hydraulic tension control to further improve the correction effect; it can be used for power supply of hydraulic jacks and auxiliary power supply of other hydraulic devices during on-site maintenance. The whole process does not require the participation of electric energy, the system control is simplified, the faults caused by the electronic control system are reduced, and the failure rate of the electronic control system is reduced.

[0036] like Figure 10-13 As shown, in the present invention, the hydraulically controlled reversing device preferably includes a three-position five-way hydraulically controlled reversing valve, and the action of the output end of an actuator cylinder is controlled by a three-position five-way hydraulically controlled reversing valve and two hydraulic pumps. The three-position five-way hydraulically controlled reversing valve in the present invention includes a valve body 51 and a valve core 50. A valve core hole 52 is provided on the valve body. Two control chambers connected to the valve core hole are provided at both ends of the valve body, which are control chamber E and control chamber F, respectively. There are two inlets, namely, the hydraulically controlled reversing valve oil inlet A and the hydraulically controlled reversing valve oil inlet B, and two outlets, namely, the hydraulically controlled reversing valve oil outlet M and the hydraulically controlled reversing valve oil outlet N, respectively. An oil return port T is also provided. The inlet, outlet, oil return port, control chamber E and control chamber F of the hydraulically controlled reversing valve can be connected through the internal oil channel and the valve core hole. As shown Fig.10 and 11As shown, the three-position five-way hydraulically controlled reversing valve has an intermediate position where the hydraulically controlled reversing valve oil inlet A is connected to the control chamber F, the hydraulically controlled reversing valve oil inlet B is connected to the control chamber E, and the inlet, outlet and return oil port are not connected, a left position where the hydraulically controlled reversing valve oil inlet A is connected to the hydraulically controlled reversing valve oil outlet M and the hydraulically controlled reversing valve oil outlet N is connected to the return oil port T, and a right position where the hydraulically controlled reversing valve oil inlet B is connected to the hydraulically controlled reversing valve oil outlet N and the hydraulically controlled reversing valve oil outlet M is connected to the return oil port T. The rod chamber of the actuator oil cylinder is connected to the hydraulically controlled reversing valve oil outlet N, the rodless chamber is connected to the hydraulically controlled reversing valve oil outlet M, the pressure oil port 1-3 of the left hydraulic pump 1-2 is connected to the hydraulically controlled reversing valve oil inlet A, the pressure oil port 2-6 of the right hydraulic pump is connected to the hydraulically controlled reversing valve oil inlet B, and the return oil port T of the hydraulically controlled reversing valve is connected to the return oil port of the oil tank. Under normal circumstances, the hydraulically controlled reversing valve is in the middle position. When the conveyor belt deviates to the left, the left detection drive wheel rotates, driving the left hydraulic pump to work. The hydraulic oil enters the hydraulically controlled reversing valve oil inlet A and enters the control chamber F through the internal oil channel and the valve core hole, pushing the valve core to move to the left. The hydraulically controlled reversing valve is in the left position, so that the hydraulically controlled reversing valve oil inlet A and the hydraulically controlled reversing valve oil outlet M are connected, and the hydraulically controlled reversing valve oil outlet N is connected with the oil 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 oil return port T through the hydraulically controlled reversing valve oil outlet N, and returns to the oil tank 2-4 through the oil return port T. The output end of the actuator cylinder moves to the right, thereby driving the left deviation correction mechanism to move the conveyor Belt correction; when the conveyor belt deviates to the right, it contacts the detection drive wheel on the right, driving the right hydraulic pump to work, and the hydraulic oil enters the oil inlet B of the hydraulic control reversing valve and enters the control chamber E through the internal oil channel and the valve core hole, pushing the valve core to move to the right, and the hydraulic control reversing valve is in the right position. The oil inlet B of the hydraulic control reversing valve is connected with the oil outlet N of the hydraulic control reversing valve, and the oil outlet M of the hydraulic control reversing valve is connected with the oil return port T. The hydraulic oil enters the rod chamber of the actuator cylinder, pushing the output end to move to the left, thereby driving the right-side correction mechanism to operate 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 oil return port T through the oil outlet M of the hydraulic control reversing valve, and returns to the oil tank through the oil return port T.

[0037] In the present invention, the three-position five-way hydraulically controlled reversing valve preferably adopts the following oil channel structure to achieve interconnection and intercommunication, including an internal oil channel 1 53 and an internal oil channel 2 54 that are not connected to each other, the oil inlet of the hydraulically controlled reversing valve is connected to the valve core hole 51 through the A-port process hole 1 A1, the internal oil channel 2 54 is connected to the valve core hole through the A-port process hole 2 A2, and the internal oil channel 2 54 is connected to the control chamber F through the control chamber F process hole F1, so that the oil inlet A of the hydraulically controlled reversing valve is connected to the control chamber F through the A-port process hole 1 A1, the A-port process hole 2 A2, the valve core hole, the control chamber F process hole F1 and the internal flow channel 2, and the oil inlet of the hydraulically controlled reversing valve is connected to the control chamber F. Port B is connected with the valve core hole through the B-port process hole 1 B1, the internal oil channel 1 53 is connected with the valve core hole through the B-port process hole 2 B2, and the internal oil channel 1 53 is connected with the control chamber E through the control chamber E process hole E1, thereby connecting the oil inlet B of the hydraulically controlled reversing valve with the control chamber E through the B-port process hole 1 B1, the B-port process hole 2 B2, the valve core hole, the control chamber E process hole E1 and the internal flow channel 1, and the oil return port T is connected with the valve core hole through the T-port process hole T1; the liquid outlet M of the hydraulically controlled reversing valve is connected with the valve core hole through the M-port process hole M1; the liquid outlet N of the hydraulically controlled reversing valve is connected with the valve core hole through the N-port process hole N1. Among them, each process hole, such as A port process hole 1 A1, A port process hole 2 A2, control cavity F process hole F1, B port process hole 1 B1, B port process hole 2 B2, control cavity E process hole E1, T port process hole T1, M port process hole M1, N port process hole N1, are only used as connecting holes, and their free ends are blind holes.

[0038] The working process of the three-position five-way hydraulically controlled reversing valve is as follows: when the conveyor belt is normal and not deviating, the three-position five-way hydraulically controlled reversing valve is in the middle position. When the left detection driving wheel drives the hydraulic pump to work, the hydraulic oil enters the hydraulically controlled reversing valve oil inlet A and enters the valve core hole through the A port process hole A1, and then enters the internal oil channel one through the A port process hole two A2, and then enters the control chamber F through the control chamber F process hole F1, pushing the valve core to move to the left to reach the left position, so that the hydraulically controlled reversing valve oil inlet A is connected with the hydraulically controlled reversing valve oil outlet M, and the hydraulically controlled reversing valve oil outlet N is connected with the oil return port T, and the hydraulic oil enters the rodless chamber of the actuator cylinder, thereby pushing the actuator cylinder piston rod to move to the right, so that the rod chamber hydraulic oil returns to the oil return port T through the hydraulically controlled reversing valve oil outlet N and then flows back to the oil tank; when the right detection driving wheel drives the hydraulic pump to work, the hydraulic oil enters the hydraulically controlled reversing valve oil inlet B and passes through the B port process hole B 1 enters the valve core hole, and then enters the internal oil channel 1 through the B port process hole B2, and then enters the control chamber E through the control chamber E process hole, pushing the valve core to move to the right and enter the right position. The hydraulic control reversing valve oil inlet B and the hydraulic control reversing valve oil outlet N are both connected to the valve core hole, so the two are connected, the hydraulic control reversing valve oil outlet M and the return oil port T are both connected to the valve core hole, so the two are connected, the hydraulic oil enters the rod chamber of the actuator cylinder, and the rodless chamber hydraulic oil flows back to the oil tank through the hydraulic control reversing valve oil outlet M and the return oil port T, so that the hydraulic oil in the oil tank 2-4 can pass through the hydraulic control reversing device 2-1 and enter the cavity at one end of the actuator cylinder 19, pushing the actuator cylinder 19 to move, driving the deviation correction mechanism to act, and at the same time, the hydraulic oil in the other cavity returns to the oil tank 2-4 through the hydraulic control reversing device 2-1, converting the kinetic energy of the conveyor belt when it deviates into the pressure energy of the hydraulic system, thereby pushing the actuator to move.

[0039] The correction system of the present invention also has the following advantages: 1. The present invention proposes an adaptive deviation correction system, which uses multiple groups of deviation correction devices at different positions to make the distances between the detection drive wheels of the deviation correction devices and the conveyor belt different, so as to realize automatic adjustment when the conveyor belt deviates to different degrees, with strong deviation correction effect and fast response speed; The present invention proposes an adaptive deviation correction group system, which can store the kinetic energy of the conveyor belt when it deviates, gather the pressure energy together through the confluence valve, control and adjust the tensioning system, and further control the conveyor belt from deviating; in addition, it can also supply energy to other hydraulic devices, such as hydraulic jacks and tensioning cylinders for maintenance, so as to achieve the purpose of energy saving and energy storage; The energy-saving energy storage method proposed in the present invention can use the confluence valve to supplement the energy stored in the energy storage components of each correction device, thereby making up for the problem of insufficient pressure energy when the actuator needs to be continuously adjusted; The pressure energy of the energy storage assembly of the energy-saving energy storage method proposed by the present invention can be used for adjusting the tensioning device when the conveyor belt slips and for further deviation correction of the conveyor belt, without the need to configure an additional power system for the tensioning device; 5. The flexible detection drive mechanism adopted in the present invention can flexibly adjust the position and is suitable for conveyor belt systems of various widths. The entire system has a simple structure, strong applicability and high reliability.

[0040] The embodiments described above are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. An adaptive conveyor belt deviation correction system, comprising at least one deviation correction device, wherein the deviation correction device comprises a deviation correction mechanism, an execution oil cylinder, a control component and at least two detection drive components, wherein the execution oil cylinder drives the deviation correction mechanism to correct the deviation of the conveyor belt, wherein the detection drive component comprises a detection drive wheel and a hydraulic pump, wherein the wheel axle of the detection drive wheel is connected to the driving shaft of the hydraulic pump, and the control component controls the opening and closing of the oil passage between the hydraulic pump and the execution oil cylinder, wherein the control component controls the opening and closing of the oil passage between the hydraulic pump and the execution oil cylinder, wherein the control component controls the opening and closing of the oil passage between the hydraulic pump and the execution oil cylinder, and ... It also includes an energy storage component, the control component includes a hydraulically controlled reversing device and an oil tank, the hydraulic pump is connected to the oil tank to absorb oil, the two chambers of the actuator cylinder are respectively connected to the corresponding hydraulic pumps through the hydraulically controlled reversing device, the output end of the actuator cylinder is connected to the input end of the correction mechanism, under the action of a hydraulic pump, the hydraulic oil in the corresponding oil tank can enter the cavity at one end of the actuator cylinder through the hydraulically controlled reversing device, and at the same time, the hydraulic oil in the other chamber of the actuator cylinder is returned to the corresponding oil tank through the hydraulically controlled reversing device, and the energy storage component includes an accumulator, and the accumulator is connected to the oil outlet of the hydraulic pump through the accumulator energy storage branch.

2. The adaptive conveyor belt deviation correction system according to claim 1, characterized in that: When the oil outlet of the hydraulic pump reaches a certain pressure value, the accumulator energy storage branch is connected, so that the accumulator is connected with the oil return port of the hydraulic reversing device and the oil outlet of the hydraulic pump, and the 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 the corresponding energy storage component. When multiple correction mechanisms are set, more than two detection drive components are corresponding to an energy storage component, and the energy storage component on each side includes at least one confluence valve, and the hydraulic actuator branches of multiple energy storage components are connected to the confluence valve.

3. The adaptive conveyor belt deviation correction system according to claim 1, characterized in that: The hydraulically controlled reversing device is a three-position five-way hydraulically controlled reversing valve, which includes a valve core and a valve body. A valve core hole is provided on the valve body, and the valve core is located in the valve core hole. A control chamber E and a control chamber F are provided at both ends of the valve body, and the control chamber E and the control chamber F are both connected to the valve core hole. The valve body is respectively provided with a hydraulically controlled reversing valve oil inlet A and a hydraulically controlled reversing valve oil inlet B, a hydraulically controlled reversing valve oil outlet M and a hydraulically controlled reversing valve oil outlet N, and a hydraulically controlled reversing valve oil return port T that can be connected to the valve core hole. The three-position five-way hydraulically controlled reversing valve has a hydraulically controlled reversing valve oil inlet A that is connected to the control chamber F, a hydraulically controlled reversing valve oil inlet B that is connected to the control chamber E, and a hydraulically controlled reversing valve. The middle position where the oil inlet A, the oil inlet B of the hydraulic control reversing valve, the oil outlet M of the hydraulic control reversing valve, the oil outlet N of the hydraulic control reversing valve and the oil return T of the hydraulic control reversing valve are not connected; the left position where the oil inlet A of the hydraulic control reversing valve is connected with the oil outlet M of the hydraulic control reversing valve and the oil outlet N of the hydraulic control reversing valve is connected with the oil return T of the hydraulic control reversing valve; the right position where the oil inlet B of the hydraulic control reversing valve is connected with the oil outlet N of the hydraulic control reversing valve and the oil outlet M of the hydraulic control reversing valve is connected with the oil return T; the oil outlet of the hydraulic pump of the detection drive assembly arranged in pairs is respectively connected with the oil inlet A of the hydraulic control reversing valve and the oil inlet B of the hydraulic control reversing valve of the three-position five-way hydraulic control reversing valve through their respective hydraulic pump oil channels.

4. An adaptive conveyor belt deviation correction system as claimed in any one of claims 1 to 3, characterized in that: It includes a hydraulic actuator branch, which is connected to an accumulator. A joint is provided on the hydraulic actuator. The accumulator is connected to a downstream hydraulic actuator through the joint provided on the hydraulic actuator branch to supply oil. The hydraulic actuator branch includes a hydraulic actuator branch oil channel.

5. The adaptive conveyor belt deviation correction system according to claim 4, characterized in that: The hydraulic actuator is a tensioning cylinder used for conveyor belt tensioning. The tensioning cylinder is connected to the joint of the energy storage component through a joint. 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.

6. A conveyor belt system, comprising a conveyor belt and a deviation correction system, characterized in that: The correction system adopts the structure of one of claims 1-5, and the two detection drive components of each correction device are arranged on both sides of the conveyor belt. At least one correction mechanism is respectively arranged 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, and the distances between each detection drive wheel and the conveyor belt are different.

7. An energy-saving energy storage method for a conveyor belt system, characterized in that: The kinetic energy generated during the deviation of the conveyor belt is converted into hydraulic driving force by driving the hydraulic pump drive shaft to rotate. The hydraulic oil in the driving system is driven by the hydraulic driving force to enter the actuator cylinder, and the kinetic energy generated in the system is converted into driving power for the actuator cylinder. The hydraulic oil that cannot be absorbed by the actuator cylinder is stored in the accumulator of the energy storage component, thereby realizing energy saving and energy storage of the conveyor belt system.

8. The energy-saving energy storage method of a conveyor belt system according to claim 6, characterized in that: 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 supplement the consumption of the oil in the oil tank.

9. The energy-saving energy storage method of a conveyor belt system according to claim 7, characterized in that: An adaptive conveyor belt deviation correction system as described in any one of claims 1 to 6 is adopted.

10. The energy-saving energy storage method of a conveyor belt system according to claim 9, characterized in that: When other hydraulic systems need hydraulic oil, connect the downstream hydraulic actuator, turn the manual reversing valve to the working position and adjust the throttle valve according to system needs to provide the downstream hydraulic actuator with hydraulic oil of required pressure and flow; when the downstream hydraulic actuator completes the corresponding action, turn the manual reversing valve to the initial position, and the hydraulic oil in the downstream actuator is released back into the oil tank. After being corrected by multiple deviation devices, 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 joint in the confluence valve, and the tension of the conveyor belt is adjusted by the tensioning cylinder, thereby adjusting the deviation of the conveyor belt.

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