Hammerhead lifting device of intelligent impact crusher

Abstract

The invention discloses a hammerhead lifting device of an intelligent impact crusher, relates to the technical field of hammerhead lifting of crushers, and aims to solve the technical problem that the efficiency of manual carrying is reduced due to the fact that a hammerhead is heavy when the hammerhead is inserted into a lifting device during manual carrying. A plurality of supporting frames are fixedly connected to the inner wall of the supporting ring. The feeding rod rotates to enable the auger to rotate, the distance between every two adjacent blades on the auger is larger than that of the hammer head, so that the hammer head moves towards one side on the feeding rod through the auger, during discharging, acting force is applied to the limiting disc through the first spring, the hammer head moves towards the auger, semi-automatic feeding and discharging are achieved, and meanwhile the working efficiency is improved. The lead screw is used for replacing a rope to serve as a transmission part in the lifting structure, the situation that the feeding frame shakes due to inertia when the multiple hammers move can be avoided, and the feeding efficiency of the hammers and the stability of the hammers in the moving process can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of crusher hammer hoisting, and more specifically to a hammer hoisting device for an intelligent impact crusher. Background Art

[0002] The hammers of the impact crusher are the core working parts of the machine, and they are directly involved in the crushing process of materials. When the crusher is running, the hammers rotate at high speed and directly hit the materials, crushing the materials through impact, shearing and grinding. The quality, shape and material of the hammers directly affect the production capacity and efficiency of the crusher, as well as the service life of the hammers themselves.

[0003] At present, when transporting the hammer head of an impact crusher, the hammer head is generally carried manually, inserted into the rod on the lifting device, and sent to the designated position by the lifting device. However, during the manual transportation, the efficiency of manual transportation is reduced due to the heavy hammer head. In view of this, we propose a hammer head lifting device for an intelligent impact crusher. Summary of the invention

[0004] The purpose of the present invention is to provide a hammer lifting device for an intelligent impact crusher to solve the technical problem that the efficiency of manual handling is reduced due to the heavy hammer head when the hammer head is inserted into a lifting device.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a hammer lifting device of an intelligent impact crusher comprises a supporting ring, a plurality of supporting legs are fixedly connected to the bottom of the supporting ring, a plurality of supporting frames are fixedly connected to the inner wall of the supporting ring and the supporting frames are distributed in a ring array, a fixing ring is fixedly connected to the bottom of the plurality of supporting frames, an inner gear ring is fixedly connected to the inside of the fixing ring, a lifting mechanism is arranged inside the fixing ring, and the lifting mechanism is meshed with the inner gear ring for transmission; the lifting mechanism comprises an adjusting frame, a lifting unit and a feeding unit, the adjusting frame is slidably connected to the lifting unit, and the lifting unit is fixedly connected to the feeding unit; the adjusting frame is movably sleeved on the inner wall of the fixing ring, transmission grooves are respectively provided on both sides of the adjusting frame, and the inner walls on both sides of each transmission groove are movably connected to the first gear in a symmetrical structure through a first plug rod, and the first gear is meshed with the inner gear ring, and each first plug rod is fixedly sleeved with a first roller on the top, and one side of the top of the adjusting frame is fixedly connected to a base, and the top of the base is fixed The cam is connected with the first motor, and the output end of the second motor is fixedly connected with the second roller, and the first transmission belt is movably sleeved on the outer walls of the first rollers, and the top inner wall of the adjusting frame is fixedly connected with the toothed plate, and the bottom of the adjusting frame is slidably connected with the lifting frame, and the inner walls of both sides of the lifting frame are symmetrically connected with the second plug rod in a symmetrical structure, and the second gear and the toothed plate are meshed with each other. One side of the top of the lifting frame is fixedly connected with the second motor, and the output end of the second motor is fixedly connected with one of the second plug rods. The present invention rotates the feeding rod to make the auger rotate, wherein the distance between two adjacent blades on the auger is greater than the hammer head, so that the hammer head moves to one side on the feeding rod through the auger, and when unloading, the first spring applies a force to the limit plate, so that the hammer head moves toward the auger to realize semi-automatic loading and unloading. At the same time, using a screw rod instead of a rope as a transmission component in the lifting structure can avoid shaking of the feeding frame due to inertia when the hammer heads move, which is beneficial to improving the feeding efficiency of the hammer heads and the stability of the hammer heads during movement.

[0006] Preferably, a slide groove is provided on one side of the adjustment frame and the output end of the second motor is movably connected to the inner wall of one side of the slide groove through a first bearing, two slide rods are fixedly connected to the inner walls on both sides of the adjustment frame and the lifting frame is movably sleeved on the outer walls of the two slide rods, and the upper legs of the base are movably sleeved with sleeves and are movably in contact with the first transmission belt.

[0007] Preferably, the lifting unit includes two support plates, one of which is fixedly connected to the bottom of the lifting frame by a first bolt, and the other support plate is arranged on the top of the adjusting frame. The two support plates are fixedly connected to a fixing cylinder on opposite sides by a second bolt, and the fixing cylinder corresponds to the positions in the holes on the two support plates. A threaded cylinder is movably sleeved on the inner wall of the fixing cylinder. A third motor is fixedly connected to the top of the other support plate, and a transmission gear is fixedly connected to the output end of the third motor.

[0008] Preferably, an outer gear ring is fixedly connected to the top of the threaded barrel and the outer gear ring is meshingly connected to the transmission gear, a first transmission barrel is fixedly sleeved on the outer wall of the third motor and the first transmission barrel is fixedly connected to the top of another support plate, a second transmission barrel is movably sleeved on the outer wall of the first transmission barrel and the second transmission barrel is movably contacted with the first transmission belt, a screw rod is movably connected to the inner wall of the threaded barrel through a first thread, a transmission frame is fixedly connected to the bottom of the screw rod, and a plurality of telescopic rods are fixedly connected between one of the support plates and the transmission frame, and the telescopic rods are in a square array.

[0009] Preferably, the two support plates are fixedly connected by a plurality of fixing rods. The present invention arranges a second transmission cylinder. When the first transmission belt is transmitting, the second transmission cylinder is in active contact with the first transmission belt, thereby avoiding contact between the first transmission belt and the third motor, which causes wear on the surface of the first transmission belt, and is beneficial to increasing the service life of the first transmission belt.

[0010] Preferably, the loading unit includes a loading rack, which is fixedly connected to the bottom of the transmission frame, a fourth motor is fixedly connected to one side of the loading rack, a loading rod is fixedly connected to the output end of the fourth motor, and a plurality of limit grooves are provided on the side surface of the loading rod, and the limit grooves are distributed in a circular array.

[0011] Preferably, the outer wall of the feeding rod is movably sleeved with a limit plate, one side of the limit plate is fixedly connected with a first spring and the first spring is movably sleeved on the outer wall of the feeding rod, and one end of the feeding rod away from the first spring is fixedly sleeved with a auger.

[0012] Preferably, the bottom of each supporting leg is movably connected to a movable frame via a third bearing, and the inner walls on both sides of each movable frame are movably connected to rollers via a fourth plug rod, and the rollers are distributed in a linear array. The present invention arranges an auger, and the distance between two adjacent blades on the auger is greater than the width of the hammer head, so that the hammer head can automatically load materials during the rotation of the auger, and during the unloading process, the hammer head is moved outward by the first spring, thereby realizing the function of semi-automatic loading and unloading, which is beneficial to improving the loading efficiency of the device.

[0013] A hammer lifting device for an intelligent impact crusher also includes a PLC control system, wherein the steps of using the PLC control system to control the first motor, the second motor, the third motor, and the fourth motor are as follows:

[0014] Collect the current and voltage data of the motor in real time;

[0015] Establish and train an instantaneous fluctuation amplitude model, and then use the instantaneous fluctuation amplitude model to evaluate the variation trend of the collected current and voltage;

[0016] The subsequent current and voltage data are transmitted to the PLC control system, and the PLC system adjusts the motor output according to the data to avoid damage to the motor due to overload or abnormal voltage.

[0017] Preferably, the instantaneous fluctuation amplitude model is established and trained, and then the steps of using the instantaneous fluctuation amplitude model to evaluate the variation trend of the collected current and voltage are as follows:

[0018] The current and voltage of the motor are sampled in real time through sensors to obtain a sequence of current and voltage signals that vary with time. Next, a model is established to evaluate the fluctuations of the motor current and voltage. After the fluctuation amplitude model is established, a labeled training set is created. The training set includes the fluctuation amplitude data extracted from the motor operation data and the corresponding motor working status.

[0019] The model is trained using the labeled training set. By inputting the instantaneous fluctuation amplitude data of current and voltage and using the corresponding motor working status as labels, the model is trained by continuously adjusting the weights to minimize the error between the predicted fluctuation trend and the actual trend.

[0020] Use the trained instantaneous fluctuation amplitude model to make real-time predictions on the collected current and voltage data;

[0021] Based on the predicted fluctuation trend, evaluate whether the motor is operating normally. If the predicted value of the fluctuation amplitude exceeds the preset safety threshold, it means that the motor may be overloaded, over-voltaged or in other abnormal working conditions.

[0022] The fluctuation trend evaluation results of current and voltage are fed back in real time. If it is predicted that future fluctuations will exceed the safety range, the PLC system will dynamically adjust the operating parameters of the motor.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention rotates the feeding rod to rotate the auger, wherein the distance between two adjacent blades on the auger is greater than the hammer head, so that the hammer head moves to one side on the feeding rod through the auger, and when unloading, a force is applied to the limit plate by the first spring, and the hammer head moves toward the auger, thereby realizing semi-automatic loading and unloading. At the same time, the screw rod is used instead of the rope as the transmission component in the lifting structure, which can avoid the shaking of the feeding frame due to inertia when several hammer heads move, which is beneficial to improving the loading efficiency of the hammer head and the stability of the hammer head during movement.

[0025] 2. The present invention provides a second transmission cylinder. When the first transmission belt is transmitting, the second transmission cylinder is in active contact with the first transmission belt, thereby avoiding contact between the first transmission belt and the third motor, which would cause wear on the surface of the first transmission belt, and is beneficial to increasing the service life of the first transmission belt.

[0026] 3. The present invention sets an auger, and the distance between two adjacent blades on the auger is greater than the width of the hammer head, so that the hammer head can automatically load materials during the rotation of the auger. At the same time, during the unloading process, the hammer head is moved outward by the first spring, thereby realizing the function of semi-automatic loading and unloading, which is beneficial to improving the loading efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0028] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention;

[0029] Figure 3 The enlarged structure of the feeding unit of the present invention is shown in FIG. Figure 1 ;

[0030] Figure 4 It is a schematic diagram of a three-dimensional partially enlarged structure of a feeding unit of the present invention;

[0031] Figure 5 The three-dimensional enlarged structure diagram of the lifting mechanism of the present invention is shown in FIG. Figure 1 ;

[0032] Figure 6 The three-dimensional enlarged structure diagram of the lifting mechanism of the present invention is shown in FIG. Figure 2 ;

[0033] Figure 7 For the present invention Figure 6 A is an enlarged structural diagram;

[0034] Figure 8 The enlarged structure of the feeding unit of the present invention is shown in FIG. Figure 2 ;

[0035] Fig. 9 It is a three-dimensional partial enlarged structural schematic diagram of the lifting unit of the present invention;

[0036] Fig.10 For the present invention Fig. 9 The enlarged structural diagram at B in FIG.

[0037] Explanation of the numbers in the figure: 1. Support ring; 101. Support leg; 102. Support frame; 2. Fixed ring; 201. Internal gear ring; 3. Lifting mechanism; 301. Adjusting frame; 301a. Slide groove; 301b. Slide rod; 302. Transmission groove; 303. First gear; 304. First roller; 305. Base; 305a. Sleeve; 306. First motor; 307. Second roller; 308. First transmission belt; 309. Tooth plate; 310. Lifting frame; 311. Second gear; 312. Second motor; 4. Lifting Unit; 401, support plate; 401a, fixed rod; 402, fixed cylinder; 403, threaded cylinder; 404, third motor; 405, transmission gear; 406, outer gear ring; 407, first transmission cylinder; 408, second transmission cylinder; 409, screw rod; 410, transmission frame; 411, telescopic rod; 5, feeding unit; 501, feeding frame; 502, fourth motor; 503, feeding rod; 503a, limit groove; 504, limit plate; 505, first spring; 506, auger; 6, moving frame; 7, roller. DETAILED DESCRIPTION

[0038] like Figures 1 to 10As shown, the present invention relates to a hammer lifting device of an intelligent impact crusher, comprising a support ring 1, a plurality of support legs 101 are fixedly connected to the bottom of the support ring 1, a plurality of support frames 102 are fixedly connected to the inner wall of the support ring 1 and the support frames 102 are distributed in a ring array, a fixed ring 2 is commonly fixedly connected to the bottom of the plurality of support frames 102, an inner gear ring 201 is fixedly connected to the inside of the fixed ring 2, a lifting mechanism 3 is arranged inside the fixed ring 2, and the lifting mechanism 3 is meshed with the inner gear ring 201 for transmission; the lifting mechanism 3 comprises an adjusting frame 301, a lifting unit 4 and a feeding unit 5, the adjusting frame 301 is slidably connected to the lifting unit 4, and the lifting unit 4 is fixedly connected to the feeding unit 5;The adjusting frame 301 is movably sleeved on the inner wall of the fixing ring 2, and transmission grooves 302 are respectively opened on both sides of the adjusting frame 301. The inner walls on both sides of each transmission groove 302 are movably connected with a first gear 303 in a symmetrical structure through a first plug rod, and the first gear 303 is meshed with the inner gear ring 201. A first roller 304 is fixedly sleeved on the top of each first plug rod, and a base 305 is fixedly connected to one side of the top of the adjusting frame 301. The top of the base 305 is fixedly connected to a first motor 306, and a second roller 307 is fixedly connected to the output end of the first motor 306. The second roller 307 is connected to a plurality of first rollers 304. The outer wall of the adjusting frame 301 is movably sleeved with a first transmission belt 308, the inner wall of the top of the adjusting frame 301 is fixedly connected with a tooth plate 309, the bottom of the adjusting frame 301 is slidably connected with a lifting frame 310, the inner walls on both sides of the lifting frame 310 are symmetrically connected with second gears 311 through second plug rods, and the second gears 311 are meshed with the tooth plate 309, and the top side of the lifting frame 310 is fixedly connected with a second motor 312, and the output end of the second motor 312 is fixedly connected with one of the second plug rods. The present invention rotates the feeding rod 503 to rotate the auger 506, wherein two adjacent leaves on the auger 506 The distance between the plates is greater than the hammer head, so that the hammer head moves to one side on the feeding rod 503 through the auger 506, and when unloading, the first spring 505 applies a force to the limit plate 504, and the hammer head moves toward the auger 506 to realize semi-automatic unloading and unloading. At the same time, the lead screw 409 is used instead of the rope as the transmission component in the lifting structure to avoid the shaking of the feeding frame 501 due to inertia when several hammer heads move, which is beneficial to improving the efficiency of the hammer head loading and the stability of the hammer head during movement. During the loading process, the first motor 306 is operated through the external circuit mechanism. The motor 306 drives the second roller 307 to rotate, wherein the first rollers 304 are driven to rotate through the first transmission belt 308, and the first transmission belt 308 is in active contact with the second transmission cylinder 408, which can prevent the first transmission belt 308 from contacting the third motor 404, causing the surface of the first transmission belt 308 to wear, so that the first gears 303 rotate synchronously. Since the first gear 303 is meshed and connected with the inner gear ring 201, the adjustment frame 301 rotates on the inner wall of the fixed ring 2, thereby adjusting the direction of the loading frame 501, and adjusting the position of the loading frame 501 through the lifting frame 310. ;

[0039] In an embodiment of the present invention, a slide groove 301a is provided on one side of the adjustment frame 301 and the output end of the second motor 312 is movably connected to the inner wall of one side of the slide groove 301a through a first bearing, two slide bars 301b are fixedly connected to the inner walls on both sides of the adjustment frame 301, and the lifting frame 310 is movably sleeved on the outer walls of the two slide bars 301b, and the upper legs of the base 305 are movably sleeved with sleeves 305a and are movably in contact with the first transmission belt 308. It is worth noting that by setting the slide bars 301b and the slide groove 301a, the lifting frame 310 can be limited to avoid tilting during the movement.

[0040] As another embodiment of the present invention, the lifting unit 4 includes two support plates 401, one of which is fixedly connected to the bottom of the lifting frame 310 by a first bolt, and the other support plate 401 is arranged on the top of the adjustment frame 301. The two support plates 401 are fixedly connected to a fixed cylinder 402 on opposite sides by a second bolt, and the fixed cylinder 402 corresponds to the position in the holes on the two support plates 401. The inner wall of the fixed cylinder 402 is movably sleeved with a threaded cylinder 403. The top of the other support plate 401 is fixedly connected to a third motor 404, and the output end of the third motor 404 is fixedly connected to a transmission gear 405. The top of the threaded cylinder 403 is fixedly connected to an outer gear ring 4 06 and the outer gear ring 406 is meshedly connected with the transmission gear 405, the outer wall of the third motor 404 is fixedly sleeved with the first transmission cylinder 407 and the first transmission cylinder 407 is fixedly connected to the top of another support plate 401, the outer wall of the first transmission cylinder 407 is movably sleeved with the second transmission cylinder 408 and the second transmission cylinder 408 is in movably contact with the first transmission belt 308, and the inner wall of the threaded cylinder 403 is movably connected with the screw rod 409 through the first thread. It is worth noting that the present invention adopts the method of rotating and moving the screw rod 409 as the transmission component in the lifting structure. Compared with the rope lifting method, the movement of the screw rod 409 is more stable, and the rope will be moved due to the hammer head. Inertia causes the hammer head to shake during movement, and the bottom of the screw rod 409 is fixedly connected to a transmission frame 410, and a plurality of telescopic rods 411 are fixedly connected between one of the support plates 401 and the transmission frame 410, and the telescopic rods 411 are in a square array, and the two support plates 401 are fixedly connected by a plurality of fixed rods 401a. The present invention provides a second transmission cylinder 408, and when the first transmission belt 308 is transmitting, the second transmission cylinder 408 is in active contact with the first transmission belt 308, so as to avoid contact between the first transmission belt 308 and the third motor 404, resulting in wear on the surface of the first transmission belt 308, which is conducive to improving In order to extend the service life of the first transmission belt 308, when in use, the roller 7 is first moved through the external control system to move the support ring 1 to the specified position, and then the third motor 404 is operated through the external circuit mechanism. The third motor 404 drives the transmission gear 405 to rotate, and the transmission gear 405 is meshed with the outer gear ring 406 to transmit the threaded barrel 403 to rotate, and the threaded barrel 403 is limited in the fixed barrel 402 through the first thread to move the screw rod 409. During the movement of the screw rod 409, the transmission frame 410 is limited by the telescopic rod 411 to prevent the loading frame 501 from moving.

[0041] As another embodiment of the present invention, the feeding unit 5 includes a feeding frame 501, which is fixedly connected to the bottom of the transmission frame 410, and a fourth motor 502 is fixedly connected to one side of the feeding frame 501, and a feeding rod 503 is fixedly connected to the output end of the fourth motor 502. A plurality of limiting grooves 503a are provided on the side surface of the feeding rod 503, and the limiting grooves 503a are distributed in a ring array. The outer wall of the feeding rod 503 is movably sleeved with a limiting disk 504, and a first spring 505 is fixedly connected to one side of the limiting disk 504, and the first spring 505 is movably sleeved on the outer wall of the feeding rod 503. The rod 503 is fixedly sleeved with an auger 506 at one end away from the first spring 505. It is worth noting that the distance between two adjacent blades on the auger 506 is greater than the width of the hammer head on the impact crusher. During the transportation process, the auger 506 can be rotated to collect the hammer heads, and the auger 506 can be rotated in the opposite direction and the elastic force of the first spring 505 can be used to remove the hammer heads from the loading rod 503, avoiding the need to manually carry the hammer heads and affecting the transportation effect. The bottom of each support leg 101 is movably connected to a mobile frame 6 through a third bearing, and the inner walls of both sides of each mobile frame 6 are connected through the fourth bearing. The insert rod is movably connected with the roller 7 and the roller 7 is distributed in a linear array. The present invention sets an auger 506, and the distance between two adjacent blades on the auger 506 is greater than the width of the hammer head, so that the auger 506 can automatically load the hammer head during rotation. At the same time, during the unloading process, the hammer head is moved outward by the first spring 505 to realize the function of semi-automatic loading and unloading, which is beneficial to improve the loading efficiency of the device. When the transmission frame 410 moves to the specified position, the fourth motor 502 is operated through the external circuit mechanism, and the fourth motor 502 drives the loading rod 5 03 rotates, and then places the hammer head at one end of the auger 506. Since the distance between two adjacent blades on the auger 506 is greater than the width of the hammer head, the hammer head is moved to one side through the rotation of the auger 506. When the hammer head moves out of the auger 506, the limit plate 504 is squeezed to make the limit plate 504 move to one side on the loading rod 503. When unloading, the loading rod 503 is driven in the opposite direction by the fourth motor 502, and the limit plate 504 is pushed to move to the other side by the first spring 505, so that the hammer head moves outward through the auger 506, thereby achieving the function of semi-automatic unloading.

[0042] Working principle: This embodiment provides a hammer lifting device for an intelligent impact crusher. When in use, the roller 7 is moved through the external control system to move the support ring 1 to a specified position, and then the third motor 404 is operated through the external circuit mechanism. The third motor 404 drives the transmission gear 405 to rotate, and the transmission gear 405 is meshed with the outer gear ring 406 to make the threaded barrel 403 rotate. The threaded barrel 403 is limited in the fixed barrel 402 through the first thread, so that the screw rod 409 moves. During the movement of the screw rod 409, the transmission frame 410 is limited by the telescopic rod 411 to prevent the loading frame 501 from moving. When the transmission frame 410 moves to the specified position, the fourth motor 502 is operated through the external circuit mechanism, and the fourth motor 502 drives the loading rod 503 to rotate, and then the hammer head is placed at one end of the auger 506. Since the distance between two adjacent blades on the auger 506 is greater than the width of the hammer head, the hammer head is moved to one side through the rotation of the auger 506. When the hammer head moves out When the auger 506 is turned on, the limit plate 504 is squeezed to move the limit plate 504 to one side on the feeding rod 503. When unloading, the feeding rod 503 is driven in the opposite direction by the fourth motor 502, and the limit plate 504 is pushed to move to the other side by the first spring 505, so that the hammer head moves outward through the auger 506, thereby achieving the function of semi-automatic unloading. In the feeding process, the first motor 306 is operated through the external circuit mechanism, and the first motor 306 drives the second roller 307 to rotate. The moving belt 308 drives the first rollers 304 to rotate, and the first transmission belt 308 is in active contact with the second transmission cylinder 408, which can prevent the first transmission belt 308 from contacting the third motor 404, causing wear on the surface of the first transmission belt 308, so that the first gears 303 rotate synchronously. Since the first gears 303 are meshed and connected with the inner gear ring 201, the adjustment frame 301 rotates on the inner wall of the fixed ring 2, thereby adjusting the direction of the loading frame 501, and adjusting the position of the loading frame 501 through the lifting frame 310.

[0043] A hammer lifting device for an intelligent impact crusher also includes a PLC control system, wherein the steps of using the PLC control system to control the first motor, the second motor, the third motor, and the fourth motor are as follows:

[0044] Collect the current and voltage data of the motor in real time;

[0045] Establish and train an instantaneous fluctuation amplitude model, and then use the instantaneous fluctuation amplitude model to evaluate the variation trend of the collected current and voltage;

[0046] The subsequent current and voltage data are transmitted to the PLC control system, and the PLC system adjusts the motor output according to the data to avoid damage to the motor due to overload or abnormal voltage.

[0047] As another embodiment of the present invention, the instantaneous fluctuation amplitude model is established and trained, and then the steps of using the instantaneous fluctuation amplitude model to evaluate the variation trend of the collected current and voltage are as follows:

[0048] The current and voltage of the motor are sampled in real time through sensors to obtain a sequence of current and voltage signals that vary with time. Next, a model is established to evaluate the fluctuations of the motor current and voltage. After the fluctuation amplitude model is established, a labeled training set is created. The training set includes the fluctuation amplitude data extracted from the motor operation data and the corresponding motor working status.

[0049] The model is trained using the labeled training set. By inputting the instantaneous fluctuation amplitude data of current and voltage and using the corresponding motor working status as labels, the model is trained by continuously adjusting the weights to minimize the error between the predicted fluctuation trend and the actual trend.

[0050] Use the trained instantaneous fluctuation amplitude model to make real-time predictions on the collected current and voltage data;

[0051] Based on the predicted fluctuation trend, evaluate whether the motor is operating normally. If the predicted value of the fluctuation amplitude exceeds the preset safety threshold, it means that the motor may be overloaded, over-voltaged or in other abnormal working conditions.

[0052] The fluctuation trend evaluation results of current and voltage are fed back in real time. If it is predicted that future fluctuations will exceed the safety range, the PLC system will dynamically adjust the operating parameters of the motor.

[0053] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A hammer lifting device for an intelligent impact crusher, characterized in that: The invention comprises a support ring (1), wherein a plurality of support legs (101) are fixedly connected to the bottom of the support ring (1), a plurality of support frames (102) are fixedly connected to the inner wall of the support ring (1), and the support frames (102) are distributed in a ring array, a fixing ring (2) is fixedly connected to the bottom of the plurality of support frames (102), an inner gear ring (201) is fixedly connected to the inside of the fixing ring (2), a lifting mechanism (3) is arranged inside the fixing ring (2), and the lifting mechanism (3) is meshed with the inner gear ring (201) for transmission; The lifting mechanism (3) comprises an adjusting frame (301), a lifting unit (4) and a loading unit (5); the adjusting frame (301) and the lifting unit (4) are slidably connected, and the lifting unit (4) and the loading unit (5) are fixedly connected; The adjusting frame (301) is movably sleeved on the inner wall of the fixing ring (2), and transmission grooves (302) are respectively opened on both sides of the adjusting frame (301). The inner walls on both sides of each transmission groove (302) are movably connected with a first gear (303) in a symmetrical structure through a first plug rod, and the first gear (303) is meshingly connected with the inner gear ring (201). A first roller (304) is fixedly sleeved on the top of each first plug rod. A base (305) is fixedly connected to one side of the top of the adjusting frame (301), and a first motor (306) is fixedly connected to the top of the base (305). The output end of the first motor (306) is fixedly connected to a second roller. (307), the second roller (307) and the outer walls of the first rollers (304) are movably connected with a first transmission belt (308), the inner wall of the top of the adjustment frame (301) is fixedly connected with a toothed plate (309), the bottom of the adjustment frame (301) is slidably connected with a lifting frame (310), the inner walls on both sides of the lifting frame (310) are movably connected with a second gear (311) in a symmetrical structure through a second plug rod, and the second gear (311) is meshingly connected with the toothed plate (309), and the top side of the lifting frame (310) is fixedly connected with a second motor (312), and the output end of the second motor (312) is fixedly connected to one of the second plug rods.

2. The hammer lifting device of an intelligent impact crusher according to claim 1 is characterized in that: A slide groove (301a) is provided on one side of the adjustment frame (301), and the output end of the second motor (312) is movably connected to the inner wall of one side of the slide groove (301a) through a first bearing. Two slide bars (301b) are fixedly connected to the inner walls on both sides of the adjustment frame (301), and the lifting frame (310) is movably sleeved on the outer walls of the two slide bars (301b). The upper legs of the base (305) are movably sleeved with sleeves (305a) and are in movably contact with the first transmission belt (308).

3. The hammer lifting device of an intelligent impact crusher according to claim 1 is characterized in that: The lifting unit (4) comprises two supporting plates (401), one of the supporting plates (401) is fixedly connected to the bottom of the lifting frame (310) by a first bolt, and the other supporting plate (401) is arranged on the top of the adjustment frame (301); opposite sides of the two supporting plates (401) are fixedly connected to a fixing cylinder (402) by a second bolt, and the fixing cylinder (402) corresponds to the position in the holes on the two supporting plates (401); the inner wall of the fixing cylinder (402) is movably sleeved with a threaded cylinder (403); the top of the other supporting plate (401) is fixedly connected to a third motor (404), and the output end of the third motor (404) is fixedly connected to a transmission gear (405).

4. The hammer lifting device of the intelligent impact crusher according to claim 3 is characterized in that: The top of the threaded cylinder (403) is fixedly connected with an outer gear ring (406), and the outer gear ring (406) is meshedly connected with a transmission gear (405); the outer wall of the third motor (404) is fixedly sleeved with a first transmission cylinder (407), and the first transmission cylinder (407) is fixedly connected to the top of another support plate (401); the outer wall of the first transmission cylinder (407) is movably sleeved with a second transmission cylinder (408), and the second transmission cylinder (408) is in movably contact with a first transmission belt (308); the inner wall of the threaded cylinder (403) is movably connected with a lead screw (409) through a first thread; the bottom of the lead screw (409) is fixedly connected with a transmission frame (410); a plurality of telescopic rods (411) are fixedly connected between one of the support plates (401) and the transmission frame (410), and the telescopic rods (411) are in a square array.

5. The hammer lifting device of the intelligent impact crusher according to claim 4 is characterized in that: The two support plates (401) are fixedly connected via a plurality of fixing rods (401a).

6. The hammer lifting device of an intelligent impact crusher according to claim 1, characterized in that: The loading unit (5) comprises a loading frame (501), wherein the loading frame (501) is fixedly connected to the bottom of the transmission frame (410), a fourth motor (502) is fixedly connected to one side of the loading frame (501), and a loading rod (503) is fixedly connected to the output end of the fourth motor (502), and a plurality of limiting grooves (503a) are provided on the side surface of the loading rod (503), and the limiting grooves (503a) are distributed in a ring array.

7. The hammer lifting device of the intelligent impact crusher according to claim 6 is characterized in that: The outer wall of the feeding rod (503) is movably sleeved with a limit plate (504), one side of the limit plate (504) is fixedly connected with a first spring (505) and the first spring (505) is movably sleeved on the outer wall of the feeding rod (503), and one end of the feeding rod (503) away from the first spring (505) is fixedly sleeved with a auger (506).

8. The hammer lifting device of an intelligent impact crusher according to claim 1, characterized in that: The bottom of each support leg (101) is movably connected to a moving frame (6) via a third bearing, and the inner walls on both sides of each moving frame (6) are movably connected to rollers (7) via a fourth insertion rod, and the rollers (7) are distributed in a linear array.

9. The hammer lifting device of an intelligent impact crusher according to claim 6, characterized in that: It also includes a PLC control system, wherein the steps of using the PLC control system to control the first motor (306), the second motor (321), the third motor (404), and the fourth motor (502) are as follows: Collect the current and voltage data of the motor in real time; Establish and train an instantaneous fluctuation amplitude model, and then use the instantaneous fluctuation amplitude model to evaluate the variation trend of the collected current and voltage; The subsequent current and voltage data are transmitted to the PLC control system, and the PLC system adjusts the motor output according to the data to avoid damage to the motor due to overload or abnormal voltage.

10. The hammer lifting device of the intelligent impact crusher according to claim 9, characterized in that: The instantaneous fluctuation amplitude model is established and trained. Then, the steps of using the instantaneous fluctuation amplitude model to evaluate the variation trend of the collected current and voltage are as follows: The current and voltage of the motor are sampled in real time through sensors to obtain a sequence of current and voltage signals that vary with time. Next, a model is established to evaluate the fluctuations of the motor current and voltage. After the fluctuation amplitude model is established, a labeled training set is created. The training set includes the fluctuation amplitude data extracted from the motor operation data and the corresponding motor working status. The model is trained using the labeled training set. By inputting the instantaneous fluctuation amplitude data of current and voltage and using the corresponding motor working status as labels, the model is trained by continuously adjusting the weights to minimize the error between the predicted fluctuation trend and the actual trend. Use the trained instantaneous fluctuation amplitude model to make real-time predictions on the collected current and voltage data; Based on the predicted fluctuation trend, evaluate whether the motor is operating normally. If the predicted value of the fluctuation amplitude exceeds the preset safety threshold, it means that the motor may be overloaded, over-voltaged or in other abnormal working conditions. The fluctuation trend evaluation results of current and voltage are fed back in real time. If it is predicted that future fluctuations will exceed the safety range, the PLC system will dynamically adjust the operating parameters of the motor.

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