CN117713443B - Intelligent electric transport vehicle lifting motor and lifting assembly thereof - Google Patents
Intelligent electric transport vehicle lifting motor and lifting assembly thereof Download PDFInfo
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- CN117713443B CN117713443B CN202311804898.3A CN202311804898A CN117713443B CN 117713443 B CN117713443 B CN 117713443B CN 202311804898 A CN202311804898 A CN 202311804898A CN 117713443 B CN117713443 B CN 117713443B
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- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 8
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
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- 238000009434 installation Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
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- 210000001520 comb Anatomy 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
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- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention belongs to the technical field of motors, in particular to an intelligent electric transport vehicle lifting motor and a lifting assembly thereof, wherein the lifting motor is arranged in a transport vehicle and comprises a shell, a stator and a rotor; after the arc plate is contacted and worn for a long time, the thickness of the arc plate is reduced, so that the gap between the arc plate and the friction sleeve is increased, a worker only needs to rotate the fixed sleeve by using a tool when the motor is powered off, the fixed sleeve is screwed into the adjusting hole, the distance between the fixed sleeve and the movable pipe is shortened, the distance of the spring pushing the arc plate through the movable pipe is increased, the arc plate can still effectively lock the friction sleeve under the condition of reduced thickness, and the brake action of the lifting motor is completed; compared with the complicated step of dismantling the motor in the prior art, the mode of adjusting the position of the arc plate through adjusting the fixing sleeve is more convenient and quick, the maintenance difficulty is reduced, and the practicability of the lifting motor is improved.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to an intelligent electric transport vehicle lifting motor and a lifting assembly thereof.
Background
The lifting motor is a transmission device which is connected with a speed reducer through a motor and drives the lifting device or the lifting platform to ascend and descend; when the intelligent electric transport vehicle is used for transporting goods or people to stand on the platform and needs to lift, and when the lifting platform is lifted to a specified position and needs to stop, the rotation of the motor needs to be limited and locked, and the common motor braking mode is electromagnetic band-type brake braking, wherein the electromagnetic band-type brake consists of an electromagnetic band-type brake coil and a brake shoe brake; when the motor is powered on, the electromagnetic band-type brake coil is also electrified, the armature is attracted, the brake shoe of the brake is separated from the brake wheel by overcoming the pulling force of the spring, and the motor normally runs; when the power supply or the contactor is disconnected, the motor is powered off, the electromagnetic band-type brake coil is powered off, the street iron is separated from the iron core under the action of the tension of the spring, the brake shoe of the brake tightly holds the brake wheel, the rotation in the motor is locked, the motor is braked and immediately stops rotating, and the locking of the motor is completed.
However, the electromagnetic band-type brake in the prior art realizes braking through friction, so that a heating phenomenon and abrasion can occur, and after the intelligent transport vehicle frequently goes up and down, the abrasion between a brake shoe and a brake wheel in the electromagnetic band-type brake is more serious, and a worker is required to periodically check the abrasion degree of the brake shoe and the brake wheel to timely adjust the gap between the brake shoe and the brake wheel or change the gap, otherwise, the use or the safety accident that the brake shoe and the brake wheel are unlocked and fall in the lifting process can be influenced; the conventional electromagnetic band-type brake is mostly arranged in the motor, if the brake shoe and the brake wheel need to be adjusted or replaced, the motor needs to be disassembled, and in the first step of disassembling the motor, the motor needs to be powered off; however, at this time, the electromagnetic band-type brake coil is also powered off, the street iron is separated from the iron core under the action of the tension of the spring, and the brake shoe of the brake tightly holds the brake wheel, so that when a worker adjusts and maintains, an additional tool or mode is needed to separate the brake shoe from the brake wheel, the adjustment or replacement difficulty is increased, and the situation that the brake shoe is difficult to adjust and replace occurs; in addition, because the brake shoe needs to lock the brake wheel and then needs the spring with strong acting force, the spring on the brake shoe needs to be disassembled in the process of replacing the brake shoe, and a worker slightly notices the spring on the brake shoe and pops out due to the influence of the large acting force, the spring possibly bumps into a body, safety accidents are caused, and the safety in the motor maintenance and adjustment process is influenced.
Disclosure of Invention
In order to make up for the deficiency of the prior art, solve the above-mentioned technical problem; the invention provides an intelligent electric transport vehicle lifting motor and a lifting assembly thereof.
The technical scheme adopted for solving the technical problems is as follows: the invention provides an intelligent electric transport vehicle lifting motor and a lifting assembly thereof, wherein the lifting motor is arranged in a transport vehicle and comprises a shell, a stator and a rotor; the stator is fixedly arranged on the inner wall of the shell, the rotor is rotationally connected inside the shell through a bearing, and the rotor is positioned at the center of the inner ring of the stator; the shell comprises:
the mounting grooves are formed in the shell and symmetrically distributed on two sides of the rotor; the mounting groove is internally provided with a mounting plate, the mounting plate and the shell are fixed in the mounting groove through bolts, and an electromagnetic assembly is arranged on one side of the mounting plate facing the inside of the shell and is connected with a power supply lead of a coil in the stator; a fixed pipe is fixedly connected to one side of the mounting plate, facing the rotor, and the fixed pipes are symmetrically distributed on two sides of the electromagnetic assembly; a movable pipe is sleeved in the fixed pipe, and the movable pipe is connected with the fixed pipe in a sliding manner; an arc-shaped plate is arranged at one end of the movable pipe far away from the fixed pipe, and a friction sleeve is arranged at the position, close to the arc-shaped plate, on the rotor;
The adjusting hole is formed in the mounting plate and is positioned in the fixing tube; an adjusting rod is connected in the movable pipe in a sliding manner, and a cross-shaped adjusting groove is formed in the adjusting rod; the adjusting groove is connected with a first rod in a sliding manner near the axis of the adjusting rod, the adjusting groove is connected with a second rod in a sliding manner near the outer surface of the adjusting rod, and the first rod is connected with the second rod through a pull rope; a spiral groove is formed in the movable pipe, and one end, away from the adjusting groove, of the second rod is positioned in the spiral groove; the position sleeve on the adjusting rod, which is close to the adjusting hole, is provided with a fixed sleeve, the fixed sleeve is in threaded connection with the adjusting hole, and a spring is connected between the fixed sleeve and one end of the movable tube, which is close to the mounting plate.
Preferably, an annular groove is formed in the position, close to the adjusting hole, of the adjusting rod, and the fixing sleeve is sleeved on the annular groove; the part of the fixed sleeve, which is far away from the fixed pipe, is fixedly connected with a fixed ring, the fixed ring is of a hexagonal structure, and the adjusting rod penetrates through the center of the fixed ring; the second pole is close to the one end of a pole is sharp angle setting, a pole surface is the cockscomb structure, just the sharp angle position of a pole and the sawtooth position block of a pole.
Preferably, grooves are uniformly formed in the friction sleeve, and the grooves are annularly distributed on the surface of the outer ring of the friction sleeve; a sliding block is connected in the groove in a sliding way, and a friction plate is fixedly connected on one side of the sliding block away from the groove; the number of the friction plates is two, the friction plates are symmetrically distributed on two sides of the friction sleeve, and a gap is arranged between the friction plates and the surface of the friction sleeve; the friction sleeve is far away from one side of the stator is provided with a locking ring, and the locking ring is in threaded connection with one side of the friction sleeve far away from the stator.
Preferably, a fan is installed in the housing at a position far away from the friction sleeve and the stator, and the fan blows air to the interior of the housing; the friction sleeve is of a hollow structure, and one side of the friction sleeve, which is far away from the stator, is provided with a ventilation groove; the surface of the outer ring of the friction sleeve is uniformly provided with vent holes, and the vent holes are positioned between adjacent grooves.
Preferably, the locking ring is horn-shaped, and the diameter of the opening of the locking ring far away from the friction sleeve is larger than the diameter of the opening of the locking ring close to the friction sleeve.
Preferably, a cavity is formed in one side, far away from the movable tube, of the arc-shaped plate, a sliding plate is connected in the cavity in a sliding manner, the sliding plate and the inner wall of the cavity are subjected to sealing treatment, and the sliding plate is connected with the cavity through a spring; the sliding plate is provided with a slip stopping sheet at one side far away from the movable tube, the slip stopping sheet is of a comb-tooth structure, and the comb-tooth part of the slip stopping sheet is attached to the surface of the sliding plate; the sliding plate is uniformly provided with an air inlet nozzle and an air outlet nozzle, and the air inlet nozzle and the air outlet nozzle face the anti-slip sheet.
Preferably, the heat dissipation fins are uniformly arranged on the surface of the shell at the position close to the stator, and the heat dissipation fins are distributed in an annular shape; and the shell is uniformly provided with radiating holes at positions between the mounting plate and the radiating fins, and the radiating holes are obliquely directed to the radiating fins.
Preferably, a rotating pipe is arranged in the shell, the rotating pipe is annularly distributed on the rotor, and the rotating pipe is positioned between the fan and the friction sleeve; the rotary pipe is uniformly provided with air holes, and the rotary pipe is internally provided with water absorbing materials.
Preferably, an end cover is arranged at one end of the rotating tube far away from the rotor, and the end cover is close to the mounting plate.
An intelligent electric transport vehicle lifting assembly is applicable to the lifting motor and comprises a scissor lifting table and a screw rod; one end of the rotor, which is far away from the mounting plate, is connected with a screw rod through a speed reducer, and the screw rod is in bidirectional thread arrangement; the bottom moving part of the scissor type lifting platform is in threaded connection with the lead screw, and the bottom moving part of the scissor type lifting platform is in sliding connection with the top of the transport vehicle far away from the lifting motor.
The beneficial effects of the invention are as follows:
1. according to the intelligent electric transport vehicle lifting motor and the lifting assembly thereof, after the arc plate is in contact abrasion for a long time, the thickness of the arc plate is reduced, so that the gap between the arc plate and the friction sleeve is increased, a worker only needs to rotate the fixed sleeve by using a tool when the motor is powered off, the fixed sleeve is screwed into the adjusting hole, the distance between the fixed sleeve and the movable pipe is shortened, the distance of the arc plate pushed by the spring through the movable pipe is increased, the arc plate can still be effectively locked under the condition of reduced thickness, and the brake action of the lifting motor is completed; compared with the complicated step of dismantling the motor in the prior art, the mode of adjusting the position of the arc plate through adjusting the fixing sleeve is more convenient and quick, the maintenance difficulty is reduced, and the practicability of the lifting motor is improved.
According to the intelligent electric transport vehicle lifting motor and the lifting assembly thereof, the fixing ring is arranged and is of a hexagonal structure, a worker can rotate the fixing sleeve through the fixing ring through detection tools such as a torque wrench at any time, the fixing sleeve is screwed into the adjusting hole and can squeeze the spring, the reaction force of the spring can prevent the fixing sleeve from being screwed in, and the worker can detect the working performance of the spring according to the using force of the fixing sleeve screwed into the adjusting hole, so that the maintenance convenience of the lifting motor is further improved; moreover, the staff can in time discover the spring with poor working performance through the mode, replace the spring, avoid the arc to receive the influence that the spring performance reduces, lead to the arc to fail in time to brake elevator motor, cause the condition that the intelligent transportation vehicle goes up and down to take place the incident to improve the degree of protection.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a lift assembly of the present invention;
Fig. 2 is a perspective view of the elevating motor of the present invention;
FIG. 3 is a side view of the lift motor of the present invention;
FIG. 4 is a perspective view of a rotor of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 at A;
fig. 6 is a partial enlarged view at B in fig. 5.
In the figure: the electromagnetic assembly comprises a shell 1, a stator 11, a rotor 12, a mounting groove 13, a mounting plate 2, an electromagnetic assembly 21, a fixed pipe 22, a movable pipe 3, an adjusting hole 31, an adjusting rod 32, an adjusting groove 33, a first rod 34, a second rod 35, a spiral groove 36, a fixed sleeve 37, an annular groove 38, a fixed ring 39, an arc plate 4, a cavity 41, a sliding plate 42, a slip-stop piece 43, an air inlet nozzle 44, an air outlet nozzle 45, a friction sleeve 5, a groove 51, a sliding block 52, a friction plate 53, a locking ring 54, a fan 55, an air vent 56, an air vent 57, a cooling fin 6, a cooling hole 61, a rotating pipe 7, an air vent 71, an end cover 72, a scissor lift 8 and a screw 81.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
The lifting motor is a transmission device which is connected with a speed reducer through a motor and drives the lifting device or the lifting platform to ascend and descend; when the intelligent electric transport vehicle is used for transporting goods or people to stand on the platform and needs to lift, and when the lifting platform is lifted to a specified position and needs to stop, the rotation of the motor needs to be limited and locked, and the common motor braking mode is electromagnetic band-type brake braking, wherein the electromagnetic band-type brake consists of an electromagnetic band-type brake coil and a brake shoe brake; when the motor is powered on, the electromagnetic band-type brake coil is also electrified, the armature is attracted, the brake shoe of the brake is separated from the brake wheel by overcoming the pulling force of the spring, and the motor normally runs; when the power supply or the contactor is disconnected, the motor is powered off, the electromagnetic band-type brake coil is powered off, the street iron is separated from the iron core under the action of the tension of the spring, and the brake shoe of the brake tightly holds the brake wheel, so that the rotation in the motor is locked, the motor is braked and immediately stops rotating, and the locking of the motor is completed;
However, the electromagnetic band-type brake in the prior art realizes braking through friction, so that a heating phenomenon and abrasion can occur, and after the intelligent transport vehicle frequently goes up and down, the abrasion between a brake shoe and a brake wheel in the electromagnetic band-type brake is more serious, and a worker is required to periodically check the abrasion degree of the brake shoe and the brake wheel to timely adjust the gap between the brake shoe and the brake wheel or change the gap, otherwise, the use or the safety accident that the brake shoe and the brake wheel are unlocked and fall in the lifting process can be influenced; the conventional electromagnetic band-type brake is mostly arranged in the motor, if the brake shoe and the brake wheel need to be adjusted or replaced, the motor needs to be disassembled, and in the first step of disassembling the motor, the motor needs to be powered off, but at the moment, the electromagnetic band-type brake coil is powered off, the iron is separated from the iron core under the action of the tension of the spring, and the brake shoe of the brake tightly holds the brake wheel, so that when the brake shoe is adjusted and maintained, a worker needs additional tools or modes to separate the brake shoe from the brake wheel, the adjustment or replacement difficulty is increased, and the situation that the brake shoe is difficult to adjust and replace is caused; in addition, because the brake shoe needs to lock the brake wheel and needs a spring with strong acting force, the spring on the brake shoe needs to be disassembled in the process of replacing the brake shoe, and a worker slightly notices the spring on the brake shoe and pops out due to the influence of the large acting force, the spring possibly bumps into a body, so that safety accidents are caused, and the safety in the process of maintaining and adjusting the motor is influenced;
In order to effectively solve the above problems, as shown in fig. 1 to 6 of the drawings of the specification, an intelligent electric transport vehicle lifting motor is installed inside the transport vehicle and comprises a housing 1, a stator 11 and a rotor 12; the stator 11 is fixedly arranged on the inner wall of the shell 1, the rotor 12 is rotationally connected inside the shell 1 through a bearing, and the rotor 12 is positioned at the center of the inner ring of the stator 11; the lifting motor also comprises auxiliary components, such as a controller, a bearing and the like, and the auxiliary components are matched with the rotor 12 and the stator 11 to complete the normal work of the lifting motor; the housing 1 includes:
The mounting grooves 13 are formed in the shell 1, and the mounting grooves 13 are symmetrically distributed on two sides of the rotor 12; the installation groove 13 is internally provided with an installation plate 2, the installation plate 2 and the shell 1 are fixed in the installation groove 13 through bolts, one side of the installation plate 2 facing the inside of the shell 1 is provided with an electromagnetic assembly 21, the electromagnetic assembly 21 is connected with a power supply wire of a coil in the stator 11, and the electromagnetic assembly 21 is an electromagnetic coil assembly in a conventional electromagnetic band-type brake; the side of the mounting plate 2 facing the rotor 12 is fixedly connected with a fixed pipe 22, and the fixed pipes 22 are symmetrically distributed on two sides of the electromagnetic assembly 21; the fixed tube 22 is sleeved with the movable tube 3, and the movable tube 3 is connected with the fixed tube 22 in a sliding way; an arc-shaped plate 4 is arranged at one end of the movable tube 3 far away from the fixed tube 22, and a friction sleeve 5 is arranged on the rotor 12 at a position close to the arc-shaped plate 4; the arc-shaped plates 4 are made of iron, have two numbers and are symmetrically distributed on two sides of the friction sleeve 5;
The adjusting hole 31, the adjusting hole 31 is opened on the mounting plate 2, and the adjusting hole 31 is positioned in the fixed pipe 22; an adjusting rod 32 is connected in a sliding way in the movable tube 3, and a cross-shaped adjusting groove 33 is formed in the adjusting rod 32; the adjusting groove 33 is connected with a first rod 34 in a sliding way near the axis of the adjusting rod 32, the adjusting groove 33 is connected with a second rod 35 in a sliding way near the outer surface of the adjusting rod 32, and the first rod 34 is connected with the second rod 35 through a pull rope; a spiral groove 36 is formed in the movable tube 3, and one end, away from the adjusting groove 33, of the second rod 35 is positioned in the spiral groove 36; a fixed sleeve 37 is sleeved on the position, close to the adjusting hole 31, of the adjusting rod 32, the fixed sleeve 37 is in threaded connection with the adjusting hole 31, and a spring is connected between the fixed sleeve 37 and one end, close to the mounting plate 2, of the movable pipe 3; the mounting plate 2, the first rod 34, the second rod 35, the adjusting rod 32, the movable pipe 3 and the fixed pipe 22 are all made of hard plastic materials; when the first rod 34 is kept still, one end of the first rod 34, which is far away from the second rod 35, is positioned outside the adjusting groove 33, and the second rod 35 is positioned inside the adjusting groove 33, which is close to the outer surface of the adjusting rod 32; when the first rod 34 works, the first rod 34 extends into the adjusting groove 33, and the second rod 35 extends out of the adjusting groove 33 and enters into the spiral groove 36; the end part of the first rod 34, which is close to the second rod 35, is arc-shaped;
an annular groove 38 is formed in the position, close to the adjusting hole 31, of the adjusting rod 32, and a fixing sleeve 37 is sleeved on the annular groove 38; the fixing sleeve 37 is fixedly connected with a fixing ring 39 at a position far away from the fixing tube 22, the fixing ring 39 is of a hexagonal structure, and the adjusting rod 32 penetrates through the center of the fixing ring 39; the end of the second rod 35, which is close to the first rod 34, is provided with a sharp corner, the surface of the first rod 34 is provided with saw teeth, and the sharp corner part of the first rod 34 is clamped with the saw tooth part of the first rod 34;
The specific working flow is as follows: when the lifting motor is powered on, the electromagnetic assembly 21 is powered on, the arc-shaped plate 4 is adsorbed after the electromagnetic assembly 21 is electrified, so that the arc-shaped plate 4 is close to the electromagnetic assembly 21, the arc-shaped plate 4 drives the movable tube 3 to slide into the fixed tube 22, at the moment, the spring between the fixed sleeve 37 and the movable tube 3 is extruded and contracted under the stress of the spring, the purpose that the arc-shaped plate 4 is far away from the friction sleeve 5 is achieved, and the lifting motor runs normally; when the power supply of the lifting motor is disconnected, the electromagnetic assembly 21 is also powered off, the electromagnetic assembly 21 does not adsorb the arc plate 4 any more, the spring in a contracted state between the fixed sleeve 37 and the movable tube 3 stretches and resets, the movable tube 3 stretches out from the fixed tube 22 under the thrust of the spring, the surface of the arc plate 4 far away from the mounting plate 2 is driven to contact the surface of the friction sleeve 5 to generate friction, the friction sleeve 5 is held around and locked by the friction force, the purpose of rotating and locking in the lifting motor is achieved, and the lifting motor is braked to stop rotating;
After the arc plate 4 is contacted and worn for a long time, the thickness of the arc plate 4 is reduced, so that the gap between the arc plate 4 and the friction sleeve 5 is increased, a worker only needs to rotate the fixed sleeve 37 by using a tool when the motor is powered off, the fixed sleeve 37 is screwed into the adjusting hole 31, the distance between the fixed sleeve 37 and the movable tube 3 is shortened, the distance that the spring pushes the arc plate 4 through the movable tube 3 is increased, the arc plate 4 can still effectively lock the friction sleeve 5 under the condition of reduced thickness, and the brake action of the lifting motor is completed; compared with the complicated step of disassembling the motor in the prior art, the mode of adjusting the position of the arc plate 4 by adjusting the fixing sleeve 37 is more convenient and quicker, the maintenance difficulty is reduced, and the practicability of the lifting motor is improved;
Through setting up the fixed ring 39, and the fixed ring 39 is hexagonal structure, the staff can rotate the fixed sleeve 37 through the fixed ring 39 through detection tools such as torque wrench at any time, and the fixed sleeve 37 can extrude the spring when being screwed into the adjusting hole 31, and the reaction force of the spring can obstruct the screwing in of the fixed sleeve 37, and the staff can detect the working performance of the spring according to the using force of the fixed sleeve 37 screwing in the adjusting hole 31, so that the maintenance convenience degree of the lifting motor is further improved; moreover, the worker can timely find the spring with poor working performance through the mode and replace the spring, so that the problem that the arc plate 4 cannot timely brake the lifting motor to cause safety accidents in the lifting process of the intelligent transport vehicle due to the fact that the arc plate 4 is affected by the reduction of the spring performance is avoided, and the protection degree is improved;
when the spring or the arc plate 4 needs to be replaced, a worker stretches the adjusting rod 32 into the adjusting hole 31, the fixed sleeve 37 and the annular groove 38 on the adjusting rod 32 slide mutually, and one end of the adjusting rod 32, which is close to the movable tube 3, stretches into the movable tube 3 and is close to the spiral groove 36; then, the staff presses the first rod 34, the arc-shaped part of the first rod 34 presses the second rod 35, the second rod 35 is extruded from the inner part of the adjusting groove 33, which is close to the outer surface of the adjusting rod 32, and the end part of the second rod 35, which is far away from the first rod 34, enters the spiral groove 36; the first rod 34 continues to slide in the adjusting groove 33 to pass through the second rod 35, so that the purpose that the first rod 34 limits the movement of the second rod 35 is achieved; the staff rotates the adjusting rod 32 through a spanner, the adjusting rod 32 is continuously screwed in the spiral groove 36 through the second rod 35, the movable tube 3 drives the arc plate 4 to move and gradually approach the fixed sleeve 37, the fixed sleeve 37 is limited to move through the inner wall of the annular groove 38, the movable tube 3, the fixed tube 22, the adjusting rod 32 and the fixed sleeve 37 form a mutually locked and stable state, at the moment, the staff can take the arc plate 4 out of the lifting motor through the mounting groove 13 by disassembling the mounting plate 2, and the arc plate 4 or the spring is replaced; after the replacement is finished, reinserting the arc-shaped plate 4 into the lifting motor through the mounting groove 13, and fixing the mounting plate 2; then the adjusting rod 32 is reversed, the adjusting rod 32 is matched with the spiral groove 36 through the second rod 35, the movable tube 3 drives the arc plate 4 to be far away from the adjusting rod 32 until the second rod 35 slides out of the spiral groove 36, the movable tube 3 and the arc plate 4 are restored to the original positions, then the first rod 34 is pulled, and the first rod 34 drives the second rod 35 to retract back into the adjusting groove 33 through the pull rope, so that replacement of the arc plate 4 or a spring is completed; compared with the motor disassembling mode in the prior art, the arc-shaped plate 4 can be replaced by disassembling the mounting plate 2 only by rotating the adjusting rod 32 and pressing the first rod 34, so that the maintenance difficulty is further reduced, and the practicability of the lifting motor is improved;
Through setting up a pole 34 surface for the cockscomb structure, and the closed angle position of a pole 34 and the sawtooth position block of a pole 34, when the one end that a pole 34 is close to movable tube 3 was passed over No. two poles 35, the closed angle position block of No. two poles 35 was gone into the sawtooth position of a pole 34, increase the stability of a pole 34 and No. two poles 35 at regulation pole 32 rotation in-process, improve the stability degree of No. two poles 35 at the indent 36 internal motion, avoid a pole 34 to slide in regulating groove 33 and reduce the restriction to No. two poles 35, the condition that leads to No. two poles 35 and indent 36 take place the slippage appears, influence dismantlement work, thereby improve the smooth degree of arc 4 dismantlement in-process.
Embodiment two:
On the basis of the first embodiment, as shown in fig. 3-6 in the drawings of the specification, grooves 51 are uniformly formed in the friction sleeve 5, and the grooves 51 are annularly distributed on the surface of the outer ring of the friction sleeve 5; a sliding block 52 is connected in the groove 51 in a sliding way, and a friction plate 53 is fixedly connected on one side of the sliding block 52 away from the groove 51; the number of the friction plates 53 is two, the friction plates 53 are symmetrically distributed on two sides of the friction sleeve 5, and a gap is arranged between the friction plates 53 and the surface of the friction sleeve 5; a locking ring 54 is arranged on one side of the friction sleeve 5 away from the stator 11, and the locking ring 54 is in threaded connection with one side of the friction sleeve 5 away from the stator 11;
A fan 55 is installed in the housing 1 at a position far from the friction sleeve 5 and the stator 11, and the fan 55 blows air into the housing 1; the friction sleeve 5 is of a hollow structure, and a ventilation groove 56 is formed in one side of the friction sleeve 5 away from the stator 11; the surface of the outer ring of the friction sleeve 5 is uniformly provided with vent holes 57, and the vent holes 57 are positioned between adjacent grooves 51;
the locking ring 54 is horn-shaped, and the diameter of an opening of the locking ring 54 away from the friction sleeve 5 is larger than that of an opening of the locking ring 54 close to the friction sleeve 5;
A cavity 41 is formed in one side, far away from the movable tube 3, of the arc-shaped plate 4, a sliding plate 42 is connected in a sliding manner in the cavity 41, the sliding plate 42 is sealed with the inner wall of the cavity 41, and the sliding plate 42 is connected with the cavity 41 through a spring; the side of the sliding plate 42 far away from the movable tube 3 is provided with a slip-stopping sheet 43, the slip-stopping sheet 43 is of a comb-tooth structure, and the comb-tooth part of the slip-stopping sheet 43 is attached to the surface of the sliding plate 42; the sliding plate 42 is uniformly provided with an air inlet nozzle 44 and an air outlet nozzle 45, and the air inlet nozzle 44 and the air outlet nozzle 45 face the sliding stop sheet 43;
The specific working flow is as follows: in the process of friction braking of the rotor 12 for a long time, the arc plate 4 and the friction sleeve 5 are worn due to the increase of the service time, and if the wear degree of the arc plate 4 and the friction sleeve does not exceed the replacement requirement, a worker can adjust the gap between the arc plate 4 and the friction sleeve by adjusting the arc plate, so that the optimal braking effect is achieved; if the wear degree of the two parts exceeds the replacement requirement, a worker is required to replace the arc-shaped plate 4 and the friction sleeve 5; after the worker dismounts the mounting plate 2 in the above manner, the worker rotates the locking ring 54 to separate the locking ring 54 from the side, away from the stator 11, of the friction sleeve 5, then the worker can drive the sliding block 52 to slide in the groove 51 through the friction plate 53 until the sliding block 52 slides out of the groove 51, the friction plate 53 and the sliding block 52 are separated from the friction sleeve 5, the worker replaces the friction plate 53 and the sliding block 52 and drives the sliding block 52 to push the sliding block 52 into the groove 51 again along the groove 51, finally the locking ring 54 is screwed on the side, away from the stator 11, of the friction sleeve 5, and the friction plate 53 and the sliding block 52 are fixed through the locking ring 54; the staff can complete the replacement of the friction plate 53 in three steps, so that the replacement operation of brake wheels and brake shoes in the electromagnetic band-type brake in the prior art is simplified, the convenience degree of maintenance and adjustment is improved, and the practicability is improved;
When the friction plate 53 and the arc plate 4 are in mutual contact friction, the contact area of the friction plate 53 and air is reduced, and the friction plate 53 and the arc plate 4 cannot timely dissipate heat, so that the temperature of the arc plate 4 and the friction plate 53 is too high, the abrasion is aggravated, and the service life is shortened; therefore, by arranging the fan 55, and the power supply circuit of the fan 55 is separated from the power supply circuit of the stator 11 through the electric brake, so that the stator 11 is powered off, the lifting motor does not work, the fan 55 still keeps power supply running, and the power supply of the fan 55 is controlled by the total brake in the lifting motor; when the fan 55 rotates, the fan 55 blows air to the friction sleeve 5, because the arc plate 4 contacts and rubs with the friction plate 53 in the braking process of the lifting motor, high temperature is generated between the arc plate 4 and the friction plate 53 due to intense friction, and the fan 55 is required to dissipate heat; the fan 55 blows air to the arc-shaped plate 4 and the friction sleeve 5, the air passes through the ventilation groove 56 and enters the friction sleeve 5, and blows air to the surface of the friction plate 53, which is close to the friction sleeve 5, through the ventilation holes 57, so that the contact area between the friction plate 53 and flowing air during braking is increased, the heat dissipation area of the friction plate 53 is increased, the heat dissipation effect of the friction plate 53 is improved, the service life of the friction plate 53 is prolonged, and the practicability is improved;
In addition, because the gaps are arranged between the friction plates 53 and the surfaces of the friction sleeves 5, when air blows to the friction sleeves 5, air flow channels are formed among the friction plates 53, the sliding blocks 52 and the friction sleeves 5, and the air flow between the friction plates 53 and the friction sleeves 5 is increased by matching with the action that the air is blown to the friction plates 53 through the air holes 57, so that the effect that the air takes away heat generated by braking of the friction plates 53 is improved, the heat dissipation effect of the friction plates 53 is further improved, the service life of the friction plates 53 is prolonged, and the practicability is improved;
by arranging the locking ring 54 in a horn shape, air blown to the friction sleeve 5 is guided by the surface of the locking ring 54 away from the friction sleeve 5 and flows into the friction sleeve 5, so that the range of air entering the friction sleeve 5 is enlarged, the air amount entering the friction sleeve 5 is increased, the air amount blown to the friction plate 53 by the vent holes 57 is increased, and the heat dissipation effect of the friction plate 53 is improved;
Furthermore, by arranging the sliding-stopping sheet 43, a worker can detach and replace the sliding-stopping sheet 43 in the process of replacing parts, and the arc-shaped plate 4 does not need to be detached from one end of the movable tube 3, so that the replacement operation is further simplified, and the convenience is improved; in addition, in the braking process of the arc plate 4, the movable tube 3 drives the sliding plate 42 of the arc plate 4 and the anti-slip sheet 43 to be close to the friction sheet 53, when the anti-slip sheet 43 contacts the friction sheet 53, the anti-slip sheet 43 stops moving, the arc plate 4 continues to move under the influence of the spring in the movable tube 3 to drive the sliding plate 42 to slide in the cavity 41, the air in the cavity 41 is extruded, the air in the cavity 41 is blown to the surface of the anti-slip sheet 43 through the air outlet nozzle 45 after being extruded, the temperature of the anti-slip sheet 43 in the braking process is reduced, the heat dissipation effect of the anti-slip sheet 43 is improved, and the service life of the anti-slip sheet 43 is prolonged;
When the movable tube 3 drives the sliding plate 42 and the anti-slip sheet 43 to be far away from the friction sheet 53 through the arc-shaped plate 4, the spring in the contracted state is extruded by the sliding plate 42 in the cavity 41 to reset and stretch, the sliding plate 42 is driven to slide away from the cavity 41, the air pressure in the cavity 41 is reduced, and the cavity 41 sucks air to the outside through the air inlet nozzle 44, so that the purpose of automatic air supplementing of the cavity 41 is achieved; when frequent braking is required in a short time, the arc-shaped plate 4 frequently drives the sliding stop sheet 43 to contact the friction plate 53 through the sliding plate 42, in the process, the cavity 41 blows air to the sliding stop sheet 43 through the air outlet nozzle 45 for cooling every time of braking, and then air is supplemented through the air inlet nozzle 44, so that the sliding stop sheet 43 can effectively dissipate heat in the frequent braking process, the occurrence of the abrasion of the sliding stop sheet 43 due to high temperature is reduced, and the service life is prolonged;
in addition, as the anti-slip sheet 43 is in a comb-tooth structure, and the comb-tooth parts of the anti-slip sheet 43 are attached to the surface of the sliding plate 42, when air is blown to the arc-shaped plate 4, gaps in the comb-tooth parts of the anti-slip sheet 43 form air flow channels, and the air flow near the anti-slip sheet 43 is increased by matching with the action of blowing the air outlet nozzle 45 to the anti-slip sheet 43, so that the heat dissipation effect of the anti-slip sheet 43 is further improved; in addition, the comb-shaped part of the anti-slip sheet 43 and the sliding block 52 on the surface of the friction plate 53 can realize the function of the radiating fins through heat conduction when the anti-slip sheet 43 and the friction plate 53 are at high temperature, so that the cooling effect in the braking process is improved, and the occurrence of the situation of aggravation of high-temperature wear is reduced; through setting up cavity 41 for friction disc 53 and limited slip piece 43 are in the contact in-process, and when the sliding plate 42 was slided to the contact cavity 41 inner wall, just can drive limited slip piece 43 and friction disc 53 mutual friction locking, avoid friction disc 53 and limited slip piece 43 suddenly to contact the locking, rotor 12's motion inertia leads to elevator motor to produce the vibration when the braking, influence elevator motor job stabilization nature, thereby when improving elevator motor job stabilization nature, make elevator motor leave the buffering of short distance in the elevator braking in-process, in order to prevent that the sudden stop of elevator in-process from bringing the injury to article and personnel.
Embodiment III:
On the basis of the second embodiment, as shown in fig. 3-5 in the attached drawings of the specification, the heat radiation fins 6 are uniformly arranged on the surface of the shell 1 at the position close to the stator 11, and the heat radiation fins 6 are distributed in a ring shape; the shell 1 is uniformly provided with radiating holes 61 at positions between the mounting plate 2 and the radiating fins 6, and the radiating holes 61 are obliquely directed to the radiating fins 6;
A rotating pipe 7 is arranged in the shell 1, the rotating pipe 7 is annularly distributed on the rotor 12, and the rotating pipe 7 is positioned between the fan 55 and the friction sleeve 5; the rotating pipe 7 is uniformly provided with ventilation holes 71, and the rotating pipe 7 is internally provided with water absorbing materials;
an end cover 72 is arranged at one end of the rotating tube 7 far away from the rotor 12, and the end cover 72 is close to the mounting plate 2;
The specific working flow is as follows: when the fan 55 blows air into the casing 1, the air flows through the friction sleeve 5 to contact the stator 11, and since the stator 11 is composed of a conventional iron core, a coil winding and a stand, the air is difficult to pass through the stator 11 to cool the stator after being arranged in the casing 1; through the arrangement of the radiating fins 6, the stator 11 conducts heat through the radiating fins 6 on the shell 1, so that the radiating effect of the lifting motor is achieved, air is discharged through the radiating holes 61 after passing through the friction sleeve 5, the discharged air is guided to be blown to the radiating fins 6 by the radiating holes 61 in an inclined state, and the air flow around the radiating fins 6 is quickened, so that the radiating effect of the radiating fins 6 is improved, and the radiating effect of the lifting motor is further improved;
By arranging the rotary tube 7, the fan 55 blows air into the shell 1, firstly contacts the rotary tube 7, and contacts the water absorbing material in the rotary tube 7 when the air passes through the rotary tube 7 through the air holes 71, such as saltpeter, and the principle of absorbing heat when the saltpeter reacts with water, so that the water absorbing material contacts and absorbs moisture in the air, thereby reducing the moisture content in the flowing air in the interior, reducing the temperature of the rotary tube 7, reducing the temperature of the air passing through and passing through the rotary tube 7, further improving the cooling and heat dissipation effects on the lifting motor, and avoiding the influence on the normal operation of the lifting motor due to the excessively high moisture content in the air; because the lifting motor is a conventional low-rotation-speed motor, the rotor 12 drives the rotary pipe 7 to slowly rotate, and the rotary pipe 7 rotates to drive the water-absorbing material to shake and roll in the rotary pipe 7, so that the water-absorbing material can uniformly contact with air after rolling, the utilization rate of the water-absorbing material is improved, and the service time is prolonged;
Through setting up end cover 72, and end cover 72 is close to mounting panel 2 for the staff is at every turn when dismantling mounting panel 2, and mounting groove 13 exposes end cover 72 and rotation pipe 7, can change the water absorbing material in the rotation pipe 7 through opening end cover 72, improves the convenient degree of use; in addition, the staff can also install square change window additional at mounting panel 2, and the staff can be under the condition of not dismantling mounting panel 2, open the end cover 72 through opening the change window, change the material that absorbs water.
Embodiment four:
An intelligent electric transport vehicle lifting assembly is shown in figure 1 in the specification and attached drawings, the lifting assembly is suitable for the lifting motor and comprises a scissor lifting table 8 and a screw rod 81; one end of the rotor 12 far away from the mounting plate 2 is connected with a screw rod 81 through a speed reducer, and the screw rod 81 is in bidirectional thread arrangement; the moving part at the bottom of the scissor type lifting platform 8 is in threaded connection with the screw rod 81, and the moving part at the bottom of the scissor type lifting platform 8 is in sliding connection with the top of the transport vehicle far away from the lifting motor;
The specific working flow is as follows: the rotor 12 drives the screw rod 81 to rotate positively through the speed reducer, and the moving parts at the bottom of the scissor lift 8 are mutually close under the influence of the bidirectional threads of the screw rod 81, so that the scissor lift 8 is lifted; otherwise, the device descends; and the lift assembly of the present application may use a scissor lift 8 as is conventional in the art.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An intelligent electric transport vehicle lifting motor is arranged inside a transport vehicle and comprises a shell (1), a stator (11) and a rotor (12); the stator (11) is fixedly arranged on the inner wall of the shell (1), the rotor (12) is rotationally connected to the inside of the shell (1) through a bearing, and the rotor (12) is positioned at the center of the inner ring of the stator (11); characterized in that the shell (1) comprises:
The mounting grooves (13) are formed in the shell (1), and the mounting grooves (13) are symmetrically distributed on two sides of the rotor (12); the mounting groove (13) is internally provided with a mounting plate (2), the mounting plate (2) and the housing (1) are fixed in the mounting groove (13) through bolts, an electromagnetic assembly (21) is arranged on one side, facing the inside of the housing (1), of the mounting plate (2), and the electromagnetic assembly (21) is connected with a power supply lead of a coil in the stator (11); a fixed pipe (22) is fixedly connected to one side of the mounting plate (2) facing the rotor (12), and the fixed pipes (22) are symmetrically distributed on two sides of the electromagnetic assembly (21); a movable pipe (3) is sleeved in the fixed pipe (22), and the movable pipe (3) is connected with the fixed pipe (22) in a sliding manner; an arc-shaped plate (4) is arranged at one end of the movable pipe (3) far away from the fixed pipe (22), and a friction sleeve (5) is arranged at the position, close to the arc-shaped plate (4), on the rotor (12);
The adjusting hole (31) is formed in the mounting plate (2), and the adjusting hole (31) is positioned in the fixing tube (22); an adjusting rod (32) is connected in a sliding manner in the movable pipe (3), and a cross-shaped adjusting groove (33) is formed in the adjusting rod (32); the adjusting groove (33) is close to the inner part of the axle center of the adjusting rod (32) and is connected with a first rod (34) in a sliding manner, the adjusting groove (33) is close to the inner part of the outer surface of the adjusting rod (32) and is connected with a second rod (35) in a sliding manner, and the first rod (34) is connected with the second rod (35) through a pull rope; a spiral groove (36) is formed in the movable pipe (3), and one end, away from the adjusting groove (33), of the second rod (35) is positioned in the spiral groove (36); the position of the adjusting rod (32) close to the adjusting hole (31) is sleeved with a fixed sleeve (37), the fixed sleeve (37) is in threaded connection with the adjusting hole (31), and a spring is connected between the fixed sleeve (37) and one end of the movable tube (3) close to the mounting plate (2).
2. The intelligent electric vehicle lifting motor of claim 1, wherein: an annular groove (38) is formed in the position, close to the adjusting hole (31), of the adjusting rod (32), and the fixing sleeve (37) is sleeved on the annular groove (38); a fixing ring (39) is fixedly connected to the part, far away from the fixing tube (22), of the fixing sleeve (37), the fixing ring (39) is of a hexagonal structure, and the adjusting rod (32) penetrates through the center of the fixing ring (39); the end of the second rod (35) close to the first rod (34) is provided with a sharp corner, the surface of the first rod (34) is in a saw-tooth shape, and the sharp corner part of the first rod (34) is clamped with the saw-tooth part of the first rod (34).
3. The intelligent electric vehicle lifting motor of claim 1, wherein: grooves (51) are uniformly formed in the friction sleeve (5), and the grooves (51) are annularly distributed on the surface of the outer ring of the friction sleeve (5); a sliding block (52) is connected in the groove (51) in a sliding way, and a friction plate (53) is fixedly connected to one side, away from the groove (51), of the sliding block (52); the number of the friction plates (53) is two, the friction plates (53) are symmetrically distributed on two sides of the friction sleeve (5), and a gap is arranged between the friction plates (53) and the surface of the friction sleeve (5); a locking ring (54) is arranged on one side, far away from the stator (11), of the friction sleeve (5), and the locking ring (54) is in threaded connection with one side, far away from the stator (11), of the friction sleeve (5).
4. An intelligent electric vehicle lifting motor as recited in claim 3, wherein: a fan (55) is arranged in the shell (1) at a position far away from the friction sleeve (5) and the stator (11), and the fan (55) blows air into the shell (1); the friction sleeve (5) is of a hollow structure, and an air vent groove (56) is formed in one side, far away from the stator (11), of the friction sleeve (5); the surface of the outer ring of the friction sleeve (5) is uniformly provided with vent holes (57), and the vent holes (57) are positioned between adjacent grooves (51).
5. The intelligent electric vehicle lifting motor of claim 4, wherein: the locking ring (54) is horn-shaped, and the diameter of an opening of the locking ring (54) away from the friction sleeve (5) is larger than the diameter of an opening of the locking ring (54) close to the friction sleeve (5).
6. The intelligent electric vehicle lifting motor of claim 1, wherein: a cavity (41) is formed in one side, far away from the movable tube (3), of the arc-shaped plate (4), a sliding plate (42) is connected in the cavity (41) in a sliding mode, the sliding plate (42) is sealed with the inner wall of the cavity (41), and the sliding plate (42) is connected with the cavity (41) through a spring; a slip-stopping sheet (43) is arranged on one side, far away from the movable tube (3), of the sliding plate (42), the slip-stopping sheet (43) is of a comb-tooth structure, and comb-tooth parts of the slip-stopping sheet (43) are attached to the surface of the sliding plate (42); the sliding plate (42) is uniformly provided with an air inlet nozzle (44) and an air outlet nozzle (45), and the air inlet nozzle (44) and the air outlet nozzle (45) face the anti-sliding sheet (43).
7. The intelligent electric vehicle lifting motor of claim 1, wherein: radiating fins (6) are uniformly arranged on the surface of the shell (1) at positions close to the stator (11), and the radiating fins (6) are distributed in a ring shape; the heat dissipation device is characterized in that heat dissipation holes (61) are uniformly formed in the position, between the mounting plate (2) and the heat dissipation fins (6), of the shell (1), and the heat dissipation holes (61) are obliquely directed to the heat dissipation fins (6).
8. The intelligent electric vehicle hoist motor of claim 7, characterized in that: a rotating pipe (7) is arranged in the shell (1), the rotating pipe (7) is annularly distributed on the rotor (12), and the rotating pipe (7) is positioned between the fan (55) and the friction sleeve (5); the rotating pipe (7) is uniformly provided with ventilation holes (71), and the rotating pipe (7) is internally provided with a water absorbing material.
9. The intelligent electric vehicle hoist motor of claim 8, characterized in that: an end cover (72) is arranged at one end, far away from the rotor (12), of the rotating pipe (7), and the end cover (72) is close to the mounting plate (2).
10. An intelligent electric vehicle lifting assembly adapted for use with a lifting motor as claimed in any one of claims 1 to 9, wherein: the lifting assembly comprises a scissor type lifting table (8) and a screw rod (81); one end of the rotor (12) far away from the mounting plate (2) is connected with a screw rod (81) through a speed reducer, and the screw rod (81) is in bidirectional thread arrangement; the bottom moving part of the scissor type lifting platform (8) is in threaded connection with the screw rod (81), and the bottom moving part of the scissor type lifting platform (8) is in sliding connection with the top of the transport vehicle far away from the lifting motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311804898.3A CN117713443B (en) | 2023-12-26 | 2023-12-26 | Intelligent electric transport vehicle lifting motor and lifting assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311804898.3A CN117713443B (en) | 2023-12-26 | 2023-12-26 | Intelligent electric transport vehicle lifting motor and lifting assembly thereof |
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| CN117713443B true CN117713443B (en) | 2024-05-07 |
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