Intelligent control permanent magnet motor for hydraulic hoist

Abstract

The application discloses an intelligent control permanent magnet motor for a hydraulic lifting machine, which comprises a machine shell, a ventilation back cover, a stator winding, a rotor and a driver are arranged on the machine shell, a rotating drum is rotatably connected to the ventilation back cover, the rotating drum is connected with the rotor through a clamping assembly, and a fan blade is arranged on the rotating drum. The soft start function of the permanent magnet motor can be realized through the arrangement of the driver, the advantages of small starting current and low pressure drop are achieved, the rotor is ensured to stop rotating without inertia through the arrangement of the brake assembly, the rotor is connected with the rotating drum through the clamping assembly, so that the rotor drives the rotating drum to rotate, the fan blade is driven to work to cool the inside of the machine shell, and the abutting assembly is driven to move to unlock the clamping assembly when the brake assembly works, the rotating drum drives the fan blade to rotate and cool in cooperation with the force storage assembly, so that the rapid cooling effect is achieved, the failure rate and the energy consumption can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of permanent magnet motor, and particularly relates to an intelligent control permanent magnet motor for a hydraulic lifting machine. BACKGROUND

[0002] The permanent magnet motor is a synchronous motor using a permanent magnet to generate a magnetic field, the rotating speed of the rotor is consistent with the current frequency of the stator winding, and is mainly composed of a stator, a rotor and an end cover. The stator is basically the same as that of an ordinary induction motor, and a lamination structure is adopted to reduce the iron loss during the operation of the motor. The rotor can be made into a solid or be laminated and pressed. The armature winding can adopt a concentrated full-pitch winding, a distributed short-pitch winding or a non-conventional winding.

[0003] For example, a single-phase non-inductive permanent magnet synchronous motor is disclosed in the Chinese utility model patent with the application number 201921601571.5 and the name of a single-phase non-inductive permanent magnet synchronous motor, and particularly relates to the field of electric motors, which comprises a shell, one end of the shell is provided with a front end cover, the inside of the shell is provided with a stator winding, one end of the front end cover is provided with a rotor, one end of the rotor is fixedly connected with the front end cover, the other end of the rotor is provided with a rear end cover, one side of the rear end cover is provided with a driver. Compared with the prior art, the driver is made into single-phase electric input and three-phase electric output, the motor can be vector controlled, the output frequency can be arbitrarily set according to the motor working reference frequency, the driver can detect the rotor position after the power is turned on, and the voltage, current phase and amplitude of the motor stator coil can be changed, so that the soft start, soft braking, stepless speed regulation and overload protection functions of the motor can be realized, and the motor is convenient to use.

[0004] The prior art has the following disadvantages: in order to improve the use performance of the motor, a fan is usually arranged at one end of the rotor so as to drive the fan to rotate while the motor is working, and the working motor is cooled, but the cooling efficiency of the fan is poor, so when the motor stops working, the temperature of the motor is still relatively high, and the fan stops synchronously with the motor, the motor which is not completely cooled can only be cooled in the external environment, and the cooling efficiency is even poorer, and if the motor is insufficiently cooled and then used again, the energy consumption and the failure rate are easily increased. SUMMARY

[0005] The present application aims to provide an intelligent control permanent magnet motor for a hydraulic lifting machine to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above object, the present application provides the following technical scheme: an intelligent control permanent magnet motor for a hydraulic lifting machine, comprising a casing, a ventilation back cover, a stator winding, a rotor and a driver are arranged on the casing, the ventilation back cover is rotatably connected with a rotating drum, and the rotating drum is connected with the rotor through a clamping assembly, and a fan blade is further arranged on the rotating drum; further comprising a brake assembly, a contact assembly and a force storage mechanism, which are arranged in the casing; when stopping, the brake assembly moves upwards to brake the rotor, at the same time, the contact assembly is driven to move to unlock the clamping assembly, the force storage mechanism moves upwards to release the stored force and drives the rotating drum to rotate through a tensioning assembly, so that the fan blade continues to rotate to cool down after the rotor stops rotating.

[0007] Further description of the above technical scheme:

[0008] The brake assembly comprises a hydraulic rod, a special-shaped plate is fixedly connected on the hydraulic rod, a brake rod is fixedly connected on the special-shaped plate, and a plurality of positioning holes matched with the brake rods are formed on the rotor.

[0009] Further description of the above technical scheme:

[0010] The clamping assembly comprises two T-shaped rods one slidingly connected in the rotating drum, a cross frame is arranged between the two T-shaped rods one, a spring one is arranged between one of the T-shaped rods one and the rotating drum, and the elastic force of the spring one drives the T-shaped rod one on one side to be clamped and matched with the rotor; the brake assembly comprises a lower arc block fixed on the special-shaped plate, side arc blocks are slidingly connected on both sides of the casing, both side arc blocks are connected with the special-shaped plate through a rotating plate, and an auxiliary plate is fixedly connected on one side of the side arc block; a hollow cylinder is fixedly connected on the casing, an upper arc block is slidingly connected in the hollow cylinder, a guide rod is fixedly connected on the upper arc block, and an inclined slot is formed in the auxiliary plate for the guide rod to slide.

[0011] Further description of the above technical scheme:

[0012] The force storage mechanism comprises a fixed plate fixedly connected in the casing, a main cylinder is arranged in the fixed plate, a driving rod is installed in the main cylinder through a clamping assembly two, a gear one is fixedly connected on the driving rod, and a gear two is fixedly connected on the rotor; the main cylinder is fixedly connected with the special-shaped plate through a connecting frame, a box body is fixedly connected on the connecting frame, a coil spring is arranged in the box body and acts on the main cylinder, and a anti-disengagement assembly and an unlocking assembly for unlocking the clamping assembly two are further arranged on the fixed plate.

[0013] Further description of the above technical scheme:

[0014] The two T-shaped rods two are slidably connected to the main cylinder, and a cross frame is arranged between the two T-shaped rods two, one of the two T-shaped rods two is provided with a spring two between the T-shaped rod two and the main cylinder, and the elastic force of the spring two drives the T-shaped rod two on one side to be in clamping cooperation with the driving rod; the unlocking assembly comprises a screw rod rotatably connected to the fixed plate, a moving plate and an auxiliary bevel gear are arranged on the screw rod, an arc-shaped unlocking plate is fixedly connected to the moving plate, a spring three is arranged between the moving plate and the fixed plate, a main bevel gear is arranged on the main cylinder, and a supporting unit for limiting the moving plate is arranged on the fixed plate.

[0015] As a further description of the above technical solutions:

[0016] The supporting unit comprises a wedge-shaped plate elastically connected by a spring four and slidably arranged in the fixed plate, and a wedge rod is fixedly connected to the special-shaped plate and in contact with the wedge-shaped plate in the stroke of the wedge rod.

[0017] As a further description of the above technical solutions:

[0018] The anti-disengagement assembly comprises a ratchet rod slidably connected to the fixed plate, a ratchet wheel is fixedly connected to the main cylinder, and a spring five is arranged between the ratchet rod and the fixed plate.

[0019] As a further description of the above technical solutions:

[0020] The tensioning assembly comprises a rotating rod and a gear seat rod arranged in the casing, a tensioning spring is arranged between the gear seat rod and the casing, and the rotating rod, the gear seat rod and the main cylinder are driven by the same belt.

[0021] As a further description of the above technical solutions:

[0022] The rotating drum is fixedly connected with a contact gear disc, the gear seat rod is fixedly connected with a driving gear disc, and the driving gear disc is in contact with the contact gear disc in the stroke of the driving gear disc.

[0023] As a further description of the above technical solutions:

[0024] The circuit of the driver is composed of three parts: a rectifier, a filter circuit and an inverter.

[0025] In the above technical solutions, the intelligent control permanent magnet motor for the hydraulic lifting machine provided by the application has the following beneficial effects:

[0026] The application can realize the soft start function of the permanent magnet motor by setting the driver, has the advantages of small starting current and low voltage drop, ensures the rotor to stop rotating without inertia rotation by setting the brake assembly, and the rotor and the rotating drum are connected through a clamping assembly, so that the rotor drives the rotating drum to rotate, drives the fan blade to work to cool the inside of the shell, and when the brake assembly works, drives the abutting assembly to move to unlock the clamping assembly, cooperates with the force storage assembly to drive the rotating drum to drive the fan blade to rotate and cool down, while the rotor remains fixed, the setting of the device can promote the air in the inside of the shell to continue to circulate when the permanent magnet motor stops working without heat, so as to achieve the effect of rapid cooling, and effective and reasonable cooling can reduce the failure rate and energy consumption.

[0027] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory, and are not intended to limit the present disclosure.

[0028] This application file provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0030] Figure 1 The overall structure appearance diagram provided by the embodiment of the present application;

[0031] Figure 2 The overall structure longitudinal section schematic diagram provided by the embodiment of the present application;

[0032] Figure 3 The inside structure schematic diagram of the shell provided by the embodiment of the present application;

[0033] Figure 4 The structure connection schematic diagram of the rotating drum and the brake assembly, the abutting assembly provided by the embodiment of the present application;

[0034] Figure 5 The structure connection longitudinal section schematic diagram of the abutting assembly and the rotating drum and the rotor provided by the embodiment of the present application;

[0035] Figure 6 The force storage mechanism structure schematic diagram provided by the embodiment of the present application;

[0036] Figure 7 The unlocking assembly structure schematic diagram provided by the embodiment of the present application;

[0037] Figure 8 Longitudinal section view of the unlocking assembly provided by the embodiment of the present application and the structure connecting the main cylinder and the driving rod;

[0038] Figure 9 Longitudinal section view of the internal structure of the box provided by the embodiment of the present application;

[0039] Figure 10 For Figure 2 Enlarged view at A;

[0040] Figure 11 For Figure 5 Enlarged view at B;

[0041] Figure 12 For Figure 6 Enlarged view at C;

[0042] Figure 13 For Figure 8 Enlarged view at D.

[0043] Explanation of reference signs:

[0044] 1, housing; 11, ventilation rear cover; 12, stator winding; 13, rotor; 14, driver; 15, rotating drum; 16, fan blade; 21, hydraulic rod; 22, special-shaped plate; 23, brake rod; 24, positioning hole; 31, T-shaped rod one; 32, cross frame; 33, spring one; 41, lower arc block; 42, side arc block; 43, rotating plate; 44, auxiliary plate; 45, hollow cylinder; 46, upper arc block; 47, guide rod; 48, inclined groove; 51, fixed plate; 52, main cylinder; 53, driving rod; 54, gear one; 55, gear two; 56, connecting frame; 57, box; 58, coil spring; 61, T-shaped rod two; 62, spring two; 71, screw rod; 72, moving plate; 73, auxiliary bevel gear; 74, arc-shaped unlocking plate; 75, spring three; 76, main bevel gear; 81, wedge-shaped plate; 82, wedge rod; 91, ratchet rod; 92, ratchet wheel; 93, spring five; 101, rotating rod; 102, gear seat rod; 103, tension spring; 104, belt; 111, contact gear disc; 112, driving gear disc. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without any inventive effort fall within the scope of protection of the present disclosure.

[0046] Please refer to Figures 1-13The embodiment provides an intelligent control permanent magnet motor for a hydraulic lifting machine, which comprises a casing 1, a ventilation back cover 11, a stator winding 12, a rotor 13 and a driver 14 which are arranged on the casing 1, the casing 1, the ventilation back cover 11, the stator winding 12, the rotor 13 and the driver 14 are main components of the permanent magnet motor and are all existing devices, the driver 14 can realize soft start of the permanent magnet motor, has the advantages of small starting current and low pressure drop, and drives the rotor to rotate, the torque after starting is large, and the phenomenon of poor starting does not occur, in order to improve the service life of the permanent magnet motor, an overcurrent, overvoltage and overtemperature protection device can be arranged in the casing 1 to reduce the failure rate of the motor, and the specific functions of the remaining parts will not be described in detail, the ventilation back cover 11 is rotationally connected with a rotating drum 15, the rotating drum 15 and the rotor 13 are connected through a clamping assembly, one end of the rotor 13 and one end of the rotating drum 15 are rotationally connected with the ventilation back cover 11, the rotating drum 15 is sleeved outside the rotor 13, and the rotating drum 15 is further provided with a fan blade 16; the device further comprises a brake assembly, a contact assembly and a force storage mechanism, which are arranged in the casing 1; when stopping, the brake assembly moves upwards to brake the rotor 13, drives the contact assembly to move to unlock the clamping assembly, and the force storage mechanism moves upwards to release the stored force and drives the rotating drum 15 to rotate through a tensioning assembly, so that the fan blade 16 continues to rotate to reduce the temperature after the rotor 13 stops rotating, the brake assembly comprises a hydraulic rod 21, the hydraulic rod 21 is fixedly connected with a special-shaped plate 22, the special-shaped plate 22 is fixedly connected with a brake rod 23, a plurality of positioning holes 24 matched with the brake rods 23 are formed in the rotor 13, the brake assembly is an intelligent device, the hydraulic rod 21 and the permanent magnet motor are connected with the same external power supply and controller, when the motor receives external control to be closed and power is cut off, the hydraulic rod 21 extends to drive the special-shaped plate 22 to move upwards by a distance and then is powered off, the hydraulic rod 21 after being powered off keeps the state before being powered off, through the setting of the brake assembly, the rotor 13 can be ensured to stop rotating without inertia, the rotor 13 and the rotating drum 15 are connected through the clamping assembly, the rotor 13 drives the rotating drum 15 to rotate, drives the fan blade 16 to work to cool the inside of the casing 1, and when the brake assembly works, the contact assembly moves to unlock the clamping assembly, cooperates with the force storage assembly to drive the rotating drum 15 to drive the fan blade 16 to rotate and cool, and the rotor 13 remains fixed, the setting of the device can promote the continuous circulation of air in the inside of the casing 1 after the permanent magnet motor stops working and without heat, so that the rapid cooling effect is achieved, the effective and reasonable cooling can reduce the failure rate and energy consumption, in short, the permanent magnet motor in the device has the advantages of high efficiency, high power factor, good power saving effect and 10% higher than conventional motors.

[0047] Further, the clamping assembly includes two T-shaped rods one 31 connected in the rotating drum 15, and a cross frame 32 is arranged between the two T-shaped rods one 31, one of the T-shaped rods one 31 is arranged with a spring one 33 between the T-shaped rod one 31 and the rotating drum 15, and the spring one 33 drives the T-shaped rod one 31 on one side to clamp and cooperate with the rotor 13, and the cross frame 32 can drive the two T-shaped rods one 31 to move synchronously and oppositely, and a hole is arranged on the rotor 13 and located at the T-shaped rod one 31 on one side, so that the T-shaped rod one 31 on one side can enter the hole on the rotor 13, and the rotating drum 15 and the rotor 13 are connected to move synchronously; the brake assembly includes a lower arc block 41 fixed on the special-shaped plate 22, and a side arc block 42 is slidably connected on each side of the casing 1, and the two side arc blocks 42 are connected with the special-shaped plate 22 through a rotating plate 43, and the side arc block 42 on one side is fixedly connected with an auxiliary plate 44; the casing 1 is fixedly connected with a hollow cylinder 45, the hollow cylinder 45 is slidably connected with an upper arc block 46, the upper arc block 46 is fixedly connected with a guide rod 47, and the auxiliary plate 44 is provided with an inclined slot 48 for sliding of the guide rod 47, the lower arc block 41 and the two side arc blocks 42 are driven to move by the hydraulic rod 21, and the side arc block 42 on one side moves through cooperation of the auxiliary plate 44, the guide rod 47 and the inclined slot 48 to drive the upper arc block 46 on the upper part to move downward, and the two side arc blocks 42, the upper arc block 46 and the lower arc block 41 synchronously wrap the rotating drum 15 outside to move the T-shaped rod one 31 on one side, and the T-shaped rod one 31 clamped with the rotor 13 is separated from the T-shaped rod one 31 through cooperation of the cross frame 32, at this time, the rotating drum 15 and the rotor 13 do not move synchronously, which is convenient for operation of the rotating drum 15 in the later period without affecting the rotor 13.

[0048] Further, the force storage mechanism comprises a fixed plate 51 fixedly connected in the casing 1, a main cylinder 52 is arranged in the fixed plate 51, a driving rod 53 is installed in the main cylinder 52 through clamping two components, a gear one 54 is fixedly connected on the driving rod 53, a gear two 55 is fixedly connected on the rotor 13; the main cylinder 52 is fixedly connected with the special-shaped plate 22 through a connecting frame 56, a box body 57 is fixedly connected on the connecting frame 56, a coil spring 58 is arranged in the box body 57, the coil spring 58 acts on the main cylinder 52, the main cylinder 52 moves with the special-shaped plate 22 through the connecting frame 56, the fixed plate 51 is further provided with an anti-falling component and an unlocking component for triggering the clamping two components to be unlocked, the clamping two components comprise two T-shaped rods two 61 which are slidably connected on the main cylinder 52, a cross frame 32 is arranged between the two T-shaped rods two 61, a spring two 62 is arranged between one of the T-shaped rods two 61 and the main cylinder 52, the spring two 62 drives the T-shaped rod two 61 on one side to be clamped and matched with the driving rod 53, the clamping two components are substantially the same as the structure and function of the clamping one component, and the purpose is to realize the switching of synchronous rotation or asynchronous rotation of the main cylinder 52 and the main driving rod when necessary; the unlocking component comprises a screw rod 71 which is rotatably connected on the fixed plate 51, a moving plate 72 and an auxiliary bevel gear 73 are arranged on the screw rod 71, an arc-shaped unlocking plate 74 is fixedly connected on the moving plate 72, a spring three 75 is arranged between the moving plate 72 and the fixed plate 51, a main bevel gear 76 is arranged on the main cylinder 52, a supporting unit for limiting the moving plate 72 is arranged on the fixed plate 51, the supporting unit comprises a wedge-shaped plate 81 which is elastically connected through a spring four and slidably arranged in the fixed plate 51, a wedge rod 82 is fixedly connected on the special-shaped plate 22, the wedge rod 82 is in contact with the wedge-shaped plate 81 in the movement stroke, when the brake component is triggered, the rotor 13 normally rotates, at this time, the gear one 54 on the driving rod 53 in the main cylinder 52 is engaged with the gear two 55 on the rotor 13, the main cylinder 52 and the driving rod 53 are clamped and rotated synchronously, the coil spring 58 inside the box body 57 is charged through the rotation of the main cylinder 52, and at the same time when the coil spring 58 is charged, the main bevel gear 76 on the main cylinder 52 is engaged with the auxiliary bevel gear 73 on the screw rod 71, a period of time (that is, after the coil spring 58 is about to end the charging), the moving plate 72 arranged on the screw rod 71 drives the arc-shaped unlocking plate 74 to move upwards, the clamping two components are unlocked, so that the main cylinder 52 is separated from the main driving rod, the main driving rod continues to rotate with the rotor 13, and the rotating cylinder 15 keeps the charging state without releasing the force under the limitation of the anti-falling component, so that the fan blade 16 rotates to store energy after the rotor 13 stops rotating.

[0049] Specifically, the anti-falling component comprises a ratchet rod 91 which is slidably connected on the fixed plate 51, a ratchet wheel 92 is fixedly connected on the main cylinder 52, a spring five 93 is arranged between the ratchet rod 91 and the fixed plate 51, the anti-falling component is arranged below the main cylinder 52 when the brake component is not triggered, and is used for limiting the main cylinder 52.

[0050] The further provided scheme of the application comprises a rotating rod 101 arranged in the casing 1 and a gear base rod 102, a tension spring 103 is arranged between the gear base rod 102 and the casing 1, the rotating rod 101, the gear base rod 102 and the main cylinder 52 are driven by the same belt 104, the contact gear disc 111 is fixedly connected to the rotating drum 15, the driving gear disc 112 is fixedly connected to the gear base rod 102, the driving gear disc 112 is in contact with the contact gear disc 111 in the movement stroke, the gear base rod 102 is combined by rotating a gear rod on a sliding base, and the gear base rod 102, the rotating rod 101 and the main cylinder 52 are all provided with sprockets matched with the belt 104, the driving of the brake assembly triggers the action of the tension assembly, so that the kinetic energy accumulated when the rotor 13 rotates acts on the rotating drum 15 after the rotor 13 stops rotating, the rotor 13 and other parts inside can be cooled, the cooling effect of the permanent magnet motor when stopping working can be promoted, gears can be added according to specific use requirements, and the turning direction and the normal rotation speed of the fan blades 16 can be ensured.

[0051] The further provided scheme of the application comprises a rotating rod 101 arranged in the casing 1 and a gear base rod 102, a tension spring 103 is arranged between the gear base rod 102 and the casing 1, the rotating rod 101, the gear base rod 102 and the main cylinder 52 are driven by the same belt 104, the contact gear disc 111 is fixedly connected to the rotating drum 15, the driving gear disc 112 is fixedly connected to the gear base rod 102, the driving gear disc 112 is in contact with the contact gear disc 111 in the movement stroke, the gear base rod 102 is combined by rotating a gear rod on a sliding base, and the gear base rod 102, the rotating rod 101 and the main cylinder 52 are all provided with sprockets matched with the belt 104, the driving of the brake assembly triggers the action of the tension assembly, so that the kinetic energy accumulated when the rotor 13 rotates acts on the rotating drum 15 after the rotor 13 stops rotating, the rotor 13 and other parts inside can be cooled, the cooling effect of the permanent magnet motor when stopping working can be promoted, gears can be added according to specific use requirements, and the turning direction and the normal rotation speed of the fan blades 16 can be ensured.

[0052] Working principle: when working, the permanent magnet motor is powered to the driver 14, the rotor 13 is soft started through the driver 14, and the hydraulic rod 21 is synchronously powered to drive the special-shaped plate 22 to move downward, the special-shaped plate 22 drives the brake rod 23, the lower arc block 41 and the main cylinder 52 arranged in the connecting frame 56 to move downward synchronously, the brake rod 23 is separated from the positioning hole 24 on the rotor 13, the main cylinder 52 moves downward to drive the gear seat rod 102 to move and separate from the contact gear disc 111 through the tensioning assembly, at this time, the ratchet wheel 92 on the main cylinder 52 is clamped and matched with the ratchet lever 91, the main bevel gear 76 arranged thereon is in contact and engaged with the auxiliary bevel gear 73 on the screw rod 71, the gear one 54 arranged on the driving rod 53 is engaged with the gear two 55 on the rotor 13, and the special-shaped plate 22 moving downward also drives the two side arc blocks 42 to move away from each other through the rotating rod, the side arc block 42 on one side moves away from each other through the inclined groove 48 arranged on the auxiliary plate 44, so that the upper arc block 46 moves upward, at this time, the extruded T-shaped rod one 31 is reset under the action of the spring one 33, is clamped on the rotor 13 or abuts against the rotor 13, and is clamped and fixed with the rotor 13, and the rotor 13 rotates normally, drives the fixed rotating cylinder 15 to rotate synchronously, so that the fan blade 16 works to cool the inside of the shell 1, at the same time, the gear two 55 arranged on the rotor 13 is engaged with the gear one 54 on the driving rod 53 to rotate, at this time, the driving rod 53 is fixed in the main cylinder 52, so the main cylinder 52 rotates synchronously to drive the coil spring 58 inside the box body 57 to store energy, and the main cylinder 52 rotates to drive the screw rod 71 to rotate synchronously through the cooperation of the auxiliary bevel gear 73 and the main bevel gear 76, the screw rod 71 rotates to drive the moving plate 72 arranged thereon to drive the arc-shaped unlocking plate 74 to move upward, after a period of time, the arc-shaped unlocking plate 74 triggers the T-shaped rod two 61 outside the main cylinder 52 to move upward, and makes the T-shaped rod clamped on the driving rod 53 move downward and separate from the driving rod 53 through the cross frame 32, the moving plate 72 remains in a state of not moving under the action of the wedge-shaped plate 81, at this time, the driving rod 53 continues to rotate with the rotor 13, and the main cylinder 52 is limited by the ratchet lever 91 and cannot rotate in the direction to release the stored energy, until the rotor 13 stops working, the special-shaped plate 22 moves upward under the action of the hydraulic rod 21, drives the brake rod 23, the lower arc block 41 and the main cylinder 52 arranged in the connecting frame 56 to move upward synchronously, the brake rod 23 moves downward and is clamped and matched with the positioning hole 24 on the rotor 13 to brake it to prevent it from continuing to rotate due to inertia, the lower arc block 41 moves upward, the two side arc blocks 42 move close to each other through the rotating plate 43, and the auxiliary plate 44 and other parts drive the upper arc block 46 to move downward, the cylinder composed of the upper arc block 46 can extrude the T-shaped rod one 31 outside the rotating cylinder 15 through the cross frame 32 to make the other T-shaped rod one clamped on the rotor 13 separate from the rotor 13, at this time, the rotating cylinder 15 is not connected with the rotor 13;

[0053] With the main cylinder 52 upwardly moving, the ratchet lever 91 is separated from the main cylinder 52, at this time, the ratchet lever 91 no longer releases the energy storage of the reverse rotation of the main cylinder 52, and through the upward movement of the main cylinder 52, the driving lever 53 is moved, so that the gear one 54 arranged on the driving lever 53 is separated from the gear two 55, and the main cylinder 52 is separated from the arc-shaped unlocking plate 74, the T-shaped lever two 61 drives the T-shaped lever two 61 on one side to be clamped with the driving lever 53 under the action of the spring two 62, and drives the wedge rod 82 on the moving frame to move synchronously with the main cylinder 52 upwardly moving, drives the wedge block to retract into the fixed plate 51, the stretched spring three 75 resets, drives the moving plate 72 to move downwardly, drives the screw rod 71 to rotate reversely, and when the main cylinder 52 moves upwardly, the gear seat lever 102 drives the driving tooth disc 112 to mesh with the contact tooth disc 111 through the cooperation of the belt 104 and the tension spring 103, so that the coil spring 58 releases the force to drive the main cylinder 52 to rotate, through the action of the belt 104, the driving tooth disc 112 meshes with the contact tooth disc 111 to rotate, drives the rotating cylinder 15 to rotate, so that when the rotor 13 stops, the kinetic energy can also drive the fan blade 16 to rotate to cool the inside of the shell 1.

[0054] The foregoing merely describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the foregoing drawings and descriptions are illustrative in nature, and should not be construed as limiting the scope of the claims of the present application.

Claims

1. A smart control permanent magnet motor for a hydraulic lift, comprising a housing, wherein a ventilated rear cover, stator windings, a rotor, and a driver are disposed on the housing, characterized in that: A rotating cylinder is rotatably connected to the ventilation cover, and the rotating cylinder and the rotor are connected by a snap-fit ​​assembly. Fan blades are also provided on the rotating cylinder. It also includes braking components, actuation components, and a power storage mechanism, all of which are housed within the casing; When stopped, the braking assembly moves upward to brake the rotor, while driving the abutment assembly to move and unlock the locking assembly. Then, the energy storage mechanism moves upward to release the stored energy and drives the rotating drum to rotate through the tensioning assembly, so that the fan blades continue to rotate to cool down after the rotor stops rotating. The power storage mechanism includes a fixed plate fixedly connected to the housing, a main cylinder disposed in the fixed plate, an active rod installed in the main cylinder through a snap-fit ​​assembly, a gear one fixedly connected to the active rod, and a gear two fixedly connected to the rotor; The main tube is fixedly connected to the irregular plate via a connecting frame, and a box is fixedly connected to the connecting frame. A coil spring is installed in the box, and the coil spring acts on the main tube. The fixed plate is also provided with an anti-detachment component and an unlocking component that triggers the two components to unlock. The second snap-fit ​​assembly includes two T-shaped rods slidably connected to the main cylinder, with a cross bracket between the two T-shaped rods. A spring is installed between one of the T-shaped rods and the main cylinder, and the elastic force of the spring drives one side of the T-shaped rod to snap-fit ​​with the active rod. The unlocking assembly includes a screw rotatably connected to a fixed plate, a movable plate and an auxiliary bevel gear on the screw, an arc-shaped unlocking plate fixedly connected to the movable plate, and a spring between the movable plate and the fixed plate. The main cylinder is provided with a main bevel gear, and the fixed plate is provided with a support unit for restricting the movable plate. The tensioning assembly includes a rotating rod and a gear seat rod disposed in the housing. A tension spring is disposed between the gear seat rod and the housing. The rotating rod, the gear seat rod, and the main cylinder are driven by the same belt.

2. The intelligent control permanent magnet motor for a hydraulic lift according to claim 1, characterized in that, The braking assembly includes a hydraulic rod, a special-shaped plate is fixedly connected to the hydraulic rod, and a brake rod is fixedly connected to the special-shaped plate. The rotor has multiple positioning holes that are compatible with the brake rod.

3. The intelligent control permanent magnet motor for a hydraulic lift according to claim 2, characterized in that, The snap-fit ​​assembly includes two T-shaped rods slidably connected in the rotating drum, a cross frame is provided between the two T-shaped rods, and a spring is provided between one of the T-shaped rods and the rotating drum. The elastic force of the spring drives one side of the T-shaped rod to snap-fit ​​with the rotor. The braking assembly includes a lower arc block fixed on the irregular plate, and side arc blocks are slidably connected to both sides of the housing. Both side arc blocks are connected to the irregular plate through a rotating plate, and an auxiliary plate is fixedly connected to one side arc block. A hollow cylinder is fixedly connected to the housing, an upper arc block is slidably connected in the hollow cylinder, a guide rod is fixedly connected to the upper arc block, and an inclined groove for the guide rod to slide is provided on the auxiliary plate.

4. The intelligent control permanent magnet motor for a hydraulic lift according to claim 2, characterized in that, The support unit includes a wedge plate that is elastically connected by four springs and slides in a fixed plate. A wedge rod is fixedly connected to the wedge plate and contacts the wedge plate during its movement.

5. The intelligent control permanent magnet motor for a hydraulic lift according to claim 1, characterized in that, The anti-detachment component includes a ratchet bar slidably connected to a fixed plate, a ratchet wheel fixedly connected to the main cylinder, and a spring five provided between the ratchet bar and the fixed plate.

6. The intelligent control permanent magnet motor for a hydraulic lift according to claim 5, characterized in that, A contact toothed disc is fixedly connected to the rotating drum, and a drive toothed disc is fixedly connected to the gear seat rod. The drive toothed disc contacts the contact toothed disc during its stroke.

7. The intelligent control permanent magnet motor for a hydraulic lift according to claim 1, characterized in that, The driver circuit consists of three parts: a rectifier, a filter circuit, and an inverter.

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