CN110661360B - Radiation-resistant and high-temperature-resistant stepping motor - Google Patents
Radiation-resistant and high-temperature-resistant stepping motor Download PDFInfo
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- CN110661360B CN110661360B CN201911075914.3A CN201911075914A CN110661360B CN 110661360 B CN110661360 B CN 110661360B CN 201911075914 A CN201911075914 A CN 201911075914A CN 110661360 B CN110661360 B CN 110661360B
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- 230000005855 radiation Effects 0.000 title claims abstract description 50
- 238000007664 blowing Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention belongs to the technical field of stepping motors, in particular to a radiation-resistant high-temperature-resistant stepping motor, which aims at the problems that the conventional stepping motor has large heat productivity and is easily interfered by external signals when in use. The stepping motor body has the advantages of simple structure, simple manufacturing structure, low production cost and strong and wide market popularization prospect, and the radiation resistance and the high temperature resistance of the stepping motor body are effectively improved.
Description
Technical Field
The invention relates to the technical field of stepping motors, in particular to a radiation-resistant and high-temperature-resistant stepping motor.
Background
The stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive element in a modern digital program control system, and is extremely widely applied. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled.
At present, a stepping motor mainly functions to generate driving torque and is used as a power source of electrical appliances or various machines, and the existing stepping motor has large heat productivity and is easily interfered by external signals when in use, so that a radiation-resistant and high-temperature-resistant stepping motor is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects that a stepping motor in the prior art has large heat productivity and is easily interfered by external signals when in use, and provides a radiation-resistant and high-temperature-resistant stepping motor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a radiation-resistant high-temperature-resistant stepping motor comprises a motor body, wherein a radiation-resistant shell is fixedly sleeved on the outer side of the motor body in a sealing manner, a fixed box is arranged below the radiation-resistant shell, a first radiating fin is fixedly connected to one side of the motor body, a plurality of heat conducting rods are fixedly connected to one side of the first radiating fin, the same second radiating fin is fixedly installed on one side of each heat conducting rod, a condenser pipe is wound on the outer side of each second radiating fin, two ends of the condenser pipe extend into the fixed box, a storage box is fixedly connected to the inner wall of the bottom of the fixed box, a water pump is fixedly connected to the inner wall of the top of the fixed box, one end of the condenser pipe is fixedly connected with one side of the storage box, the other end of the condenser pipe is fixedly connected with a water outlet of the water pump, and the same connecting pipe is fixedly connected to the water inlets of the storage box and the water pump, the refrigeration liquid that sets up in the storage box, be provided with the subassembly of blowing in the radiation protection casing, the bottom fixedly connected with installation component of fixed case, the intake pipe that one side fixedly connected with of radiation protection casing is linked together, the blast pipe that the bottom fixedly connected with of radiation protection casing is linked together, the one end of blast pipe extends to fixed incasement and fixedly connected with subassembly of airing exhaust.
Preferably, the fixed cover in the outside of motor body is equipped with sealed the pad, and the motor body passes through sealed pad and radiation protection casing sealing connection, utilizes sealed the pad can improve the sealing performance of the inside of radiation protection casing, and then can improve the radiation resistance of radiation protection casing.
Preferably, the annular fixed mounting in the outside of the casing of protecting against radiation has four fastening screws, the outside annular of motor body is provided with four nuts, and nut and fastening screw looks adaptation, and fastening screw's one end extend to corresponding nut in and with nut threaded connection, utilize fastening screw and nut can be with the casing of protecting against radiation and motor body convenient to detach and installation.
Preferably, the blowing assembly comprises a blowing box fixedly installed on the inner wall of one side of the radiation-proof shell, a sliding rod is fixedly connected in the blowing box, a fan is sleeved outside the sliding rod in a sliding manner, a return spring is sleeved outside the sliding rod, two support plates which are symmetrically arranged are fixedly connected on the inner wall of one side of the blowing box, a driving motor is fixedly connected on one side of each support plate, a driving roller is fixedly connected on an output shaft of the driving motor, the outer side of the driving roller is rotatably sleeved with the same belt, a convex block is fixedly connected on one side of the belt and is positioned on one side of the fan, when the motor body needs to be blown, the fan is started at the moment, the motor body can be blown by the fan, then the driving motor is started again to drive the belt to rotate, and when the convex block and the fan are attached to each other on the belt, the belt can be pulled to move upwards, the fan can compress reset spring simultaneously, and when lug and fan were not laminated mutually, under reset spring's elasticity, can be so that the fan resets, and then can realize reciprocating to the motor body and blow, can increase the blowing area of fan on the one hand, and on the other hand then can accelerate the radiating efficiency of motor body.
Preferably, the subassembly of airing exhaust includes the exhaust fan of fixed mounting in fixed case, the one end of blast pipe and the air intake fixed connection of exhaust fan, the gas outlet of exhaust fan extends to one side of fixed case, and when needs were to the steam exhaust in the radiation protection casing, start the exhaust fan this moment, can be with the steam exhaust in the radiation protection casing, convenient operation has strengthened the circulation of air in the radiation protection casing.
Preferably, the mounting assembly comprises two fixing plates which are fixedly mounted at the bottom of the fixing box and symmetrically arranged, two bolts which are symmetrically arranged are arranged on the fixing plates, and the stepping motor body can be fixedly mounted at any position by utilizing the bolts.
Preferably, a maintenance port is formed in one side of the fixed box, a maintenance plate is fixedly connected in the maintenance port in a sealing mode, and when mechanical components in the fixed box go wrong, the mechanical components in the fixed box can be maintained by opening the maintenance plate.
Preferably, one side of the fan is fixedly connected with a linear bearing, the slide rod penetrates through an inner ring of the linear bearing and is in sliding connection with the inner ring of the linear bearing, and the linear bearing can enable the fan to slide along a straight line without deviation when sliding.
1. According to the invention, the radiation-proof shell can be used for preventing external signals from interfering the normal operation of the motor body, and meanwhile, the sealing performance of the interior of the radiation-proof shell can be improved by using the sealing gasket, so that the radiation resistance of the radiation-proof shell can be improved.
2. According to the invention, the first radiating fin can be used for concentrating heat outside the motor body, the heat can be guided into the second radiating fin through the heat conducting rod, the water pump is started at the moment, refrigerating liquid in the storage box can circularly flow in the condensing pipe, the heat outside the second radiating fin is effectively reduced, and meanwhile, the refrigerating liquid can be kept in a low-temperature state all the time by using the refrigerating generator, so that the cooling of the motor body is effectively reduced.
3. In the invention, the radiation-proof shell and the motor body can be conveniently detached and installed by utilizing the fastening screw and the nut.
4. According to the invention, the motor body can be blown by starting the fan, then the driving motor is started to drive the belt to rotate, when the convex block on the belt is attached to the fan, the convex block on the belt can be pulled to move upwards, meanwhile, the fan can compress the return spring, and when the convex block is not attached to the fan, the fan can be reset under the elastic force of the return spring, so that the motor body can be blown by moving up and down, on one hand, the blowing area of the fan can be increased, and on the other hand, the heat dissipation efficiency of the motor body can be accelerated.
5. In the invention, the exhaust fan is started, so that hot air in the radiation-proof shell can be exhausted, the operation is convenient, and the air circulation in the radiation-proof shell is enhanced.
The stepping motor body has the advantages of simple structure, simple manufacturing structure, low production cost and strong and wide market popularization prospect, and the radiation resistance and the high temperature resistance of the stepping motor body are effectively improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a radiation-resistant and high-temperature-resistant stepping motor according to the present invention;
FIG. 2 is a schematic cross-sectional view of the stepping motor of FIG. 1 with radiation and high temperature resistance;
FIG. 3 is a schematic side view of the stepping motor shown in FIG. 1 with radiation and high temperature resistance;
fig. 4 is a schematic sectional front view of the blower box of fig. 2 of the stepping motor with radiation resistance and high temperature resistance according to the present invention;
fig. 5 is a schematic three-dimensional structure diagram of the gasket of fig. 2 of the radiation-resistant and high-temperature-resistant stepping motor according to the present invention.
In the figure: the device comprises a motor body 1, a radiation-proof shell 2, a fixing box 3, a sealing gasket 4, a first radiating fin 5, a heat conducting rod 6, a second radiating fin 7, a condenser pipe 8, a storage box 9, a refrigeration generator 10, a water pump 11, a connecting pipe 12, an air inlet pipe 13, an air outlet pipe 14, an electromagnetic valve 15, an exhaust fan 16, a fixing plate 17, a bolt 18, a fastening screw 19, a nut 20, a blowing box 21, a sliding rod 22, a fan 23, a convex block 24, a return spring 25, a supporting plate 26, a driving roller 27, a belt 28, a driving motor 29 and a maintenance plate 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a radiation-resistant and high-temperature-resistant stepping motor comprises a motor body 1, a radiation-resistant casing 2 is fixedly sleeved on the outer side of the motor body 1 in a sealing manner, a fixed box 3 is arranged below the radiation-resistant casing 2, a first cooling fin 5 is fixedly connected to one side of the motor body 1, a plurality of heat conducting rods 6 are fixedly connected to one side of the first cooling fin 5, one side of each heat conducting rod 6 is fixedly provided with a same second cooling fin 7, a condenser pipe 8 is wound on the outer side of the second cooling fin 7, both ends of the condenser pipe 8 extend into the fixed box 3, a storage box 9 is fixedly connected to the inner wall of the bottom of the fixed box 3, a water pump 11 is fixedly connected to the inner wall of the top of the fixed box 3, one end of the condenser pipe 8 is fixedly connected to one side of the storage box 9, the other end of the condenser pipe 8 is fixedly connected to a water outlet of the water pump 11, the same connecting pipe 12 is fixedly connected to the storage box 9 and a water inlet of the water pump 11, the refrigeration liquid that sets up in the storage box 9 is provided with the subassembly of blowing in the radiation protection casing 2, and the bottom fixedly connected with installation component of fixed case 3, the intake pipe 13 that one side fixedly connected with of radiation protection casing 2 is linked together, the blast pipe 14 that the bottom fixedly connected with of radiation protection casing 2 is linked together, and the one end of blast pipe 14 extends to in the fixed case 3 and fixedly connected with air exhaust subassembly.
In this embodiment, the outside fixed cover of motor body 1 is equipped with sealed 4, and motor body 1 is through sealed 4 and the 2 sealing connection of radiation protection casing, utilizes sealed 4 can improve the sealing performance of the inside of radiation protection casing 2, and then can improve the radiation resistance of radiation protection casing 2.
In this embodiment, four fastening screws 19 are annularly and fixedly mounted on the outer side of the radiation-proof housing 2, four nuts 20 are annularly arranged on the outer side of the motor body 1, the nuts 20 are matched with the fastening screws 19, one ends of the fastening screws 19 extend into the corresponding nuts 20 and are in threaded connection with the nuts 20, and the radiation-proof housing 2 and the motor body 1 can be conveniently detached and mounted by using the fastening screws 19 and the nuts 20.
In the embodiment, the blowing assembly comprises a blowing box 21 fixedly installed on the inner wall of one side of the radiation-proof shell 2, a sliding rod 22 is fixedly connected in the blowing box 21, a fan 23 is slidably sleeved outside the sliding rod 22, a return spring 25 is sleeved outside the sliding rod 22, two symmetrically arranged supporting plates 26 are fixedly connected on the inner wall of one side of the blowing box 21, a driving motor 29 is fixedly connected on one side of the supporting plates 26, a driving roller 27 is fixedly connected on the output shaft of the driving motor 29, the same belt 28 is rotatably sleeved outside the driving roller 27, a convex block 24 is fixedly connected on one side of the belt 28 and is positioned on one side of the fan 23, when the motor body 1 needs to be blown, the fan 23 is started at the moment, the fan 23 can blow air to the motor body 1, then the driving motor 29 is started again to drive the belt 28 to rotate, when the convex block 24 on the belt 28 is attached to the fan 23, alright move its upwards in the pulling, and fan 23 can compress reset spring 25 simultaneously, and when lug 24 and fan 23 do not laminate mutually, under reset spring 25's elasticity, can make fan 23 reset, and then can realize reciprocating to motor body 1 and blow, can increase the area of blowing of fan 23 on the one hand, on the other hand then can accelerate motor body 1's radiating efficiency.
In this embodiment, the subassembly of airing exhaust includes fixed mounting exhaust fan 16 in fixed case 3, the one end of blast pipe 14 and exhaust fan 16's air intake fixed connection, and exhaust fan 16's gas outlet extends to one side of fixed case 3, and when needs were to the interior steam exhaust of radiation protection casing 2, start exhaust fan 16 this moment, can be with the steam exhaust in the radiation protection casing 2, convenient operation has strengthened the circulation of air in the radiation protection casing 2.
In this embodiment, the mounting assembly includes two fixing plates 17 which are symmetrically arranged and fixedly mounted at the bottom of the fixing box 3, two bolts 18 which are symmetrically arranged are provided on the fixing plates 17, and the stepping motor body can be fixedly mounted at any position by using the bolts 18.
In this embodiment, a maintenance opening is opened at one side of the fixed box 3, and a maintenance plate 30 is fixedly connected in the maintenance opening in a sealing manner, so that when a problem occurs in a mechanical component in the fixed box 3, the mechanical component of the fixed box 3 can be maintained by opening the maintenance plate 30.
In this embodiment, a linear bearing is fixedly connected to one side of the fan 23, and the sliding rod 22 penetrates through an inner ring of the linear bearing and is slidably connected to the inner ring of the linear bearing, so that the fan 23 can slide along a straight line without deviation when sliding by using the linear bearing.
In this embodiment, the radiation-proof housing 2 is used to prevent external signals from interfering with the normal operation of the motor body 1, and the sealing performance of the inside of the radiation-proof housing 2 is improved by the sealing gasket 4, so that the radiation-proof performance of the radiation-proof housing 2 is improved.
In this embodiment, utilize first fin 5 to concentrate the outside heat of motor body 1, and can be with the heat leading-in to second fin 7 in through heat conduction pole 6, start water pump 11 this moment, can make the refrigeration liquid in the storage box 9 carry out the circulation flow in condenser pipe 8, the effectual outside heat that reduces second fin 7, utilize refrigeration generator 10 simultaneously, can keep refrigeration liquid to keep the low temperature state all the time, effectual reduction is to lowering the temperature of motor body 1.
In this embodiment, the radiation protection housing 2 and the motor body 1 can be easily detached and mounted by using the fastening screw 19 and the nut 20.
In this embodiment, can blow to the motor body 1 through starting the fan 23, then restart driving motor 29 and drive belt 28 and rotate, when lug 24 and fan 23 attached mutually on belt 28, alright upwards remove with the pulling, fan 23 can compress reset spring 25 simultaneously, and when lug 24 and fan 23 did not attach mutually, under reset spring 25's elasticity, can make fan 23 reset, and then can realize reciprocating to the motor body 1 and blow, the blowing area of fan 23 has been increased on the one hand, on the other hand then can accelerate the radiating efficiency of motor body 1.
In this embodiment, by starting the exhaust fan 16, the hot air in the radiation-proof housing 2 can be exhausted, the operation is convenient, and the air circulation in the radiation-proof housing 2 is enhanced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The radiation-resistant and high-temperature-resistant stepping motor comprises a motor body (1) and is characterized in that a radiation-resistant shell (2) is fixedly sleeved on the outer side of the motor body (1) in a sealing mode, a fixing box (3) is arranged below the radiation-resistant shell (2), a first cooling fin (5) is fixedly connected to one side of the motor body (1), a plurality of heat conducting rods (6) are fixedly connected to one side of the first cooling fin (5), a same second cooling fin (7) is fixedly installed on one side of each heat conducting rod (6), a condensation pipe (8) is wound on the outer side of each second cooling fin (7), two ends of each condensation pipe (8) extend into the corresponding fixing box (3), a storage box (9) is fixedly connected to the inner wall of the bottom of the fixing box (3), and a water pump (11) is fixedly connected to the inner wall of the top of the fixing box (3), one end of the condenser pipe (8) is fixedly connected with one side of the storage box (9), the other end of the condenser pipe (8) is fixedly connected with a water outlet of the water pump (11), a same connecting pipe (12) is fixedly connected to water inlets of the storage box (9) and the water pump (11), refrigerating liquid is arranged in the storage box (9), a blowing assembly is arranged in the radiation-proof shell (2), an installation assembly is fixedly connected to the bottom of the fixed box (3), a communicated air inlet pipe (13) is fixedly connected to one side of the radiation-proof shell (2), a communicated exhaust pipe (14) is fixedly connected to the bottom of the radiation-proof shell (2), and one end of the exhaust pipe (14) extends into the fixed box (3) and is fixedly connected with an exhaust assembly;
the air blowing assembly comprises an air blowing box (21) fixedly mounted on the inner wall of one side of the radiation-proof shell (2), a sliding rod (22) is fixedly connected in the air blowing box (21), a fan (23) is slidably sleeved on the outer side of the sliding rod (22), a reset spring (25) is sleeved on the outer side of the sliding rod (22), two symmetrically arranged supporting plates (26) are fixedly connected on the inner wall of one side of the air blowing box (21), a driving motor (29) is fixedly connected to one side of each supporting plate (26), a driving roller (27) is fixedly connected to an output shaft of the driving motor (29), the same belt (28) is rotatably sleeved on the outer side of the driving roller (27), a convex block (24) is fixedly connected to one side of the belt (28), and the convex block (24) is located on one side of the fan (23);
the exhaust assembly comprises an exhaust fan (16) fixedly installed in the fixed box (3), one end of the exhaust pipe (14) is fixedly connected with an air inlet of the exhaust fan (16), and an air outlet of the exhaust fan (16) extends to one side of the fixed box (3);
the mounting assembly comprises two fixing plates (17) which are fixedly mounted at the bottom of the fixing box (3) and symmetrically arranged, and two bolts (18) which are symmetrically arranged are arranged on the fixing plates (17).
2. The stepping motor with the radiation resistance and the high temperature resistance as claimed in claim 1, wherein a sealing gasket (4) is fixedly sleeved on the outer side of the motor body (1), and the motor body (1) is hermetically connected with the radiation-proof shell (2) through the sealing gasket (4).
3. The stepping motor with radiation resistance and high temperature resistance as claimed in claim 1, wherein four fastening screws (19) are annularly and fixedly mounted on the outer side of the radiation-proof housing (2), four nuts (20) are annularly arranged on the outer side of the motor body (1), the nuts (20) are matched with the fastening screws (19), and one end of each fastening screw (19) extends into the corresponding nut (20) and is in threaded connection with the nut (20).
4. The stepping motor with radiation resistance and high temperature resistance as claimed in claim 1, wherein a maintenance port is opened at one side of the fixing box (3), and a maintenance plate (30) is fixedly connected in the maintenance port in a sealing manner.
5. The stepping motor with radiation resistance and high temperature resistance as claimed in claim 1, wherein a linear bearing is fixedly connected to one side of the fan (23), and the sliding rod (22) penetrates through and is slidably connected with an inner ring of the linear bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075914.3A CN110661360B (en) | 2019-11-06 | 2019-11-06 | Radiation-resistant and high-temperature-resistant stepping motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075914.3A CN110661360B (en) | 2019-11-06 | 2019-11-06 | Radiation-resistant and high-temperature-resistant stepping motor |
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| CN110661360A CN110661360A (en) | 2020-01-07 |
| CN110661360B true CN110661360B (en) | 2021-08-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112123012A (en) * | 2020-09-15 | 2020-12-25 | 徐军 | Digit control machine tool motor cabinet with heat dissipation function |
| CN113026232A (en) * | 2021-03-01 | 2021-06-25 | 绍兴市思盈服饰有限公司 | Flatcar sewing machine is used in clothing production |
| CN113708569B (en) * | 2021-09-17 | 2023-02-03 | 常州元驰精密电机科技有限公司 | Water cooling structure for motor rotor |
| CN114030811A (en) * | 2021-10-16 | 2022-02-11 | 乾润智能装备(浙江)有限公司 | Single-chain driving roller conveying line with detection function |
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Denomination of invention: A radiation and high-temperature resistant stepper motor Effective date of registration: 20231116 Granted publication date: 20210827 Pledgee: Industrial and Commercial Bank of China Changzhou Wujin Branch Pledgor: Changzhou Yuanrui Electric Machinery Technology Co.,Ltd. Registration number: Y2023980065695 |