CN114800077B - Internal grinding machine for machining bearing sleeve of power equipment - Google Patents
Internal grinding machine for machining bearing sleeve of power equipment Download PDFInfo
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- CN114800077B CN114800077B CN202210537960.6A CN202210537960A CN114800077B CN 114800077 B CN114800077 B CN 114800077B CN 202210537960 A CN202210537960 A CN 202210537960A CN 114800077 B CN114800077 B CN 114800077B
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- transmission
- sleeve
- grinding machine
- internal grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
- B24B5/10—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a horizontal tool spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
- B24B49/165—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load for grinding tyres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to the technical field of bearing sleeve polishing equipment, and discloses an internal grinding machine for processing a bearing sleeve of power equipment, which comprises a second transmission component, wherein a first transmission component is clamped inside the second transmission component, a first transmission shaft sleeve is fixedly installed at one end of the outer surface of the second transmission component, a second transmission shaft sleeve is fixedly installed at the other end of the second transmission component through the first transmission component, an internal grinding head is fixedly sleeved inside the second transmission shaft sleeve, a limiting clamping groove is formed in one end of the second transmission component, and the first transmission component comprises a connecting spring. This be used for electric power equipment bearing housing processing to internal grinding machine, to the setting of hydraulic pressure ring cover, electric heat ring and conducting ring to when the hydraulic pressure ring cover on first recess removes the terminal surface that extends to the second recess on the second transmission shaft cover, can heat hydraulic pressure ring cover automatically and make it take place the inflation, and then make and form firm the connection between second drive component and the second transmission shaft cover.
Description
Technical Field
The invention relates to the technical field of bearing bush inner wall grinding equipment, in particular to an internal grinding machine for processing a bearing bush of power equipment.
Background
The bearing sleeve is an important component which is provided with a raceway and used for supporting a rolling body in a bearing, is often applied to electrical equipment, and has extremely high requirements on the processing precision in order to reduce the abrasion of the bearing in the use process so as to prolong the service life of the bearing and improve the stability of the bearing in the operation process because the bearing needs to support the axial or radial load of a transmission shaft in the high-speed rotation process of the bearing.
When the inner wall of the bearing sleeve is polished by using the conventional internal grinding machine, the initial position of the rotating main shaft of the internal grinding machine is difficult to determine due to different abrasion loss when the inner wall of the bearing sleeve is polished by the polishing head of the internal grinding machine because the polishing head of the internal grinding machine belongs to abrasion consumables, so that the internal grinding machine needs to be stopped continuously to measure the numerical value of the inner diameter of the bearing sleeve in the polishing process, the operation process is complicated, the efficiency is low, and the problem that the polishing amount of the inner diameter of the bearing sleeve is too large is easily caused;
and the grinding precision of the inner wall of the bearing sleeve is poor, and the stability and the reliability are low only according to the initial outer diameter of the grinding head as the feeding standard of the internal grinding machine and under the influence of the worn amount of the grinding head.
Therefore, there is a need for a rotating spindle mechanism for an internal grinding machine for machining a bearing housing of an electrical device, which can determine an initial position point of a rotating spindle on the rotating spindle according to the wear amount of an existing grinding head, so as to solve the above-mentioned drawbacks of the existing internal grinding machine during use.
Disclosure of Invention
Technical problem to be solved
The invention provides an internal grinding machine for processing a bearing sleeve of power equipment, which has the advantages of determining an initial position point of a rotating main shaft on the internal grinding machine according to the abrasion loss of the existing grinding head, effectively avoiding the grinding precision error of the grinding head on the inner wall of the bearing sleeve caused by the abrasion of the grinding head, avoiding stopping to measure the inner diameter numerical value of the bearing sleeve in the grinding process, along with simple operation and higher grinding efficiency on the inner wall of the bearing sleeve.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a be used for processing of power equipment bearing housing to use internal grinder, includes second drive component, the inside joint of second drive component has first drive component, the one end fixed mounting of second drive component surface has first transmission shaft sleeve, and the other end of second drive component has second transmission shaft sleeve through first drive component fixed mounting, the fixed cup joint in inside of second transmission shaft sleeve has interior round to polish the head, the one end of second drive component is equipped with spacing draw-in groove, first drive component includes connecting spring, fixed connection between one end of connecting spring and one side of second transmission shaft sleeve inner chamber, connecting spring's the other end extend to the outside of second transmission shaft sleeve and fixed mounting have spacing dop with the second drive component on spacing draw-in groove between mutual joint, and the left side of the outside of second drive component between the mutual contact.
Preferably, a first groove is formed in the right end of the second transmission member, a movable snap ring communicated with an inner cavity of the first groove is movably sleeved in the middle of the outer surface of the second transmission member, a hydraulic ring sleeve is movably sleeved on the inner wall of the first groove, and the hydraulic ring sleeve is flush with the end portion of the second transmission member in an initial state.
Preferably, a second groove is formed in the inner portion of the left end of the second transmission shaft sleeve, a conducting ring which is in electric feedback connection with the end face of the inner cavity of the second groove is movably sleeved in the middle of the outer surface of the second transmission shaft sleeve, and the other end of the conducting ring is electrically connected with the control system of the internal grinding machine.
Preferably, an electric feedback connection is formed between the hydraulic pump station and the control system of the internal grinding machine, and when the internal grinding machine is started, the hydraulic pump station on the internal grinding machine is also started.
Preferably, a set of first friction gaskets is respectively arranged at the upper end and the lower end of the right side of the inner wall of the first groove on the second transmission component, a set of electric heating rings is respectively arranged on the inner wall and the outer surface of the hydraulic ring sleeve movably sleeved on the second transmission component, a set of second friction gaskets is respectively arranged at the upper end and the lower end of the inner wall of the second groove on the second transmission shaft sleeve, and meanwhile, the sum of the lengths of the first friction gaskets and the second friction gaskets is equal to the length of the electric heating rings on the hydraulic ring sleeve.
Preferably, the hydraulic ring sleeve is made of a memory alloy material, and a sealing washer is arranged on the end face, facing the inner side, of the hydraulic ring sleeve.
(III) advantageous effects
The invention has the following beneficial effects:
1. the internal grinding machine for processing the bearing sleeve of the power equipment utilizes the influence of centrifugal force on the second transmission member, the first transmission member, the second transmission shaft sleeve and the structure on the second transmission member, and recovers to the position where the second transmission member and the second transmission shaft sleeve are coaxial in the process of contacting with the inner wall of the bearing sleeve by utilizing the second transmission shaft sleeve when rotating so as to determine the initial position point of the rotating main shaft on the internal grinding machine.
2. This be used for electric power equipment bearing housing processing to internal grinding machine, to the setting of hydraulic pressure ring cover, electric heat ring and conducting ring, when extending to the terminal surface of second recess on the second transmission shaft cover with the hydraulic pressure ring cover on first recess removes, can heat the hydraulic pressure ring cover automatically and make it take place the inflation, and then make and form firm the connection between second drive component and the second transmission shaft cover, and force the interior circle on the second transmission shaft cover to polish and take place the synchronization action along with this internal grinding machine's rotation main shaft, make this mechanism higher to the transmission precision of moment, and effectively alleviated the pressure of connecting spring when transmitting axial moment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of a first outdrive according to the present invention;
FIG. 4 is a schematic view of a second drive member of the present invention;
fig. 5 is a schematic view of the connection between the first driving member and the second driving sleeve according to the structure of the present invention.
In the figure: 1. a first driving shaft sleeve; 2. a first transmission member; 3. a second transmission member; 4. a second driving shaft sleeve; 5. an inner circle polishing head; 6. a limiting clamping groove; 7. a first groove; 8. a movable snap ring; 9. a first friction pad; 10. a hydraulic ring sleeve; 11. an electric heating ring; 12. a connecting spring; 13. a limiting chuck; 14. a second groove; 15. a second friction pad; 16. and (6) conducting the ring.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-2, an internal grinding machine for processing a bearing bush of an electrical device comprises a second transmission member 3, wherein a first transmission member 2 is clamped inside the second transmission member 3, as shown in fig. 3, one end of the outer surface of the second transmission member 3 is fixedly provided with a first transmission shaft sleeve 1, one side of the outer surface of the first transmission shaft sleeve 1 is of a regular hexagon structure and is fixedly connected with one side of the outer surface of the second transmission member 3 through a pin shaft, the other end of the second transmission member 3 is fixedly provided with a second transmission shaft sleeve 4 through the first transmission member 2, an internal grinding head 5 is fixedly sleeved inside the second transmission shaft sleeve 4, and the other end of the first transmission shaft sleeve 1 is fixedly connected with a rotating main shaft of the internal grinding machine;
as shown in fig. 4, one end of the second transmission member 3 is provided with a plurality of sets of limiting clamping grooves 6 arranged in an annular array, as shown in fig. 5, the first transmission member 2 includes a connecting spring 12 which is always in a stretching state, one end of the connecting spring 12 is fixedly connected with one side of the inner cavity of the second transmission shaft sleeve 4, the other end of the connecting spring 12 extends to the outside of the second transmission shaft sleeve 4 and is fixedly provided with a limiting clamping head 13 so as to be clamped with the limiting clamping grooves 6 on the second transmission member 3, and the right side of the outside of the second transmission member 3 is in contact with the left side of the second transmission shaft sleeve 4.
In the technical scheme, a first groove 7 is formed in the right end of the second transmission member 3, a movable clamping ring 8 communicated with the inner cavity of the first groove 7 is movably sleeved in the middle of the outer surface of the second transmission member 3, the other end of the movable clamping ring 8 is communicated with a hydraulic pump station, a hydraulic ring sleeve 10 is movably sleeved on the inner wall of the first groove 7, and the hydraulic ring sleeve 10 is flush with the end of the second transmission member 3 in an initial state.
In the technical scheme, a second groove 14 is formed in the inner part of the left end of the second transmission shaft sleeve 4, a conducting ring 16 which is in electric feedback connection with the end face of the inner cavity of the second groove 14 is movably sleeved in the middle of the outer surface of the second transmission shaft sleeve 4, and the other end of the conducting ring 16 is electrically connected with the control system of the internal grinding machine, so that when the hydraulic ring sleeve 10 on the second transmission member 3 moves to the right side to the end face of the second groove 14 on the second transmission shaft sleeve 4, a feedback signal can be generated and transmitted to the control system of the internal grinding machine.
In the technical scheme, an electric feedback connection is formed between the hydraulic pump station and the control system of the internal grinding machine, when the internal grinding machine is started, the hydraulic pump station on the internal grinding machine is also started, and hydraulic oil is filled into the first groove 7 on the second transmission member 3 to apply pressure to the hydraulic ring sleeve 10 in the first groove.
In the technical scheme, a group of first friction gaskets 9 is respectively arranged at the upper end and the lower end of the right side of the inner wall of the first groove 7 on the second transmission component 3, a group of electric heating rings 11 are respectively arranged on the inner wall and the outer surface of a hydraulic ring sleeve 10 movably sleeved on the second transmission component, a group of second friction gaskets 15 is respectively arranged at the upper end and the lower end of the inner wall of the second groove 14 on the second transmission shaft sleeve 4, and meanwhile, the sum of the lengths of the first friction gaskets 9 and the second friction gaskets 15 is equal to the length of the electric heating rings 11 on the hydraulic ring sleeve 10.
In the technical scheme, the hydraulic ring sleeve 10 is made of a memory alloy material, wherein the hydraulic ring sleeve 10 is arranged so that the second transmission component 3 and the second transmission shaft sleeve 4 can be fixedly connected when the hydraulic ring sleeve is heated to expand, the pressure of the connection spring 12 during the transmission of the axial torque is effectively relieved, a sealing gasket is arranged on the end face, facing the inner side, of the hydraulic ring sleeve, the phenomenon that hydraulic oil on the hydraulic ring sleeve leaks is effectively prevented, and meanwhile, hydraulic oil drops remained on the inner wall of the first groove 7 when the hydraulic ring sleeve 10 moves left and right can be effectively removed.
The use method and the working principle of the embodiment are as follows:
firstly, the mechanism is fixedly arranged on a rotating main shaft of an internal grinding machine, a bearing sleeve to be ground is fixedly clamped on a working platform, then the internal grinding machine is started and drives a second transmission component 3 on the mechanism to rotate, meanwhile, the second transmission shaft sleeve 4 is driven to rotate under the transmission action of a connecting spring 12 and a limiting chuck 13, but the second transmission shaft sleeve 4 is enabled to deflect outwards under the action of centrifugal force and stretches the connecting spring 12, so that central axes between the second transmission component 3 and the second transmission shaft sleeve 4 are staggered, then the rotating main shaft of the internal grinding machine is moved, an internal grinding head 5 on the mechanism is enabled to gradually approach to and contact with the inner wall of the bearing sleeve, further, the deflection position of the second transmission shaft sleeve 4 is enabled to be reduced continuously until the second transmission shaft sleeve returns to the initial position, when the rotating main shaft of the internal grinding machine is moved, a hydraulic pressure on the rotating main shaft sleeve is started to extrude and convey hydraulic oil into a first groove 7 of the second transmission component 3, and drive a hydraulic pressure ring sleeve 10 on the second transmission component 3 to be in a second transmission ring groove 14, and drive a hydraulic pressure signal of the second transmission ring sleeve 4 to be stably transferred to be clamped with a second transmission ring sleeve 4, and a second transmission ring 14 is enabled to be in a second transmission ring transmission system, and an electric heating transmission ring 14 is enabled to be stably connected with a second transmission ring 14, further driving the second transmission member 3 and the second transmission shaft sleeve 4 to synchronously rotate along with the rotating main shaft with the inner circle worn through so as to polish the inner wall of the bearing sleeve;
after one grinding operation is completed, the internal grinding machine is turned off, meanwhile, the electric circuit connection of the internal grinding machine to the electric heating ring 11 is disconnected, heat is not generated, meanwhile, the hydraulic pump station is started reversely to extract the hydraulic oil in the first groove 7 on the second transmission component 3 and form negative pressure in the hydraulic oil, so that the hydraulic ring sleeve 10 extending to the second groove 14 on the second transmission shaft sleeve 4 is automatically restored to the original position when the hydraulic ring sleeve 10 is cooled and restored to the original state, and then the steps can be repeated, so that the grinding operation can be performed on the inner wall of the next group of bearing sleeves.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a be used for processing of power equipment bearing housing to use internal grinder, includes second drive component (3), the inside joint of second drive component (3) has first drive component (2), the one end fixed mounting of second drive component (3) surface has first drive shaft cover (1), and the other end of second drive component (3) has second drive shaft cover (4) through first drive component (2) fixed mounting, the inside fixed internal grinding head (5), its characterized in that of having cup jointed of second drive shaft cover (4):
one end of the second transmission member (3) is provided with a limiting clamping groove (6), the first transmission member (2) comprises a connecting spring (12), one end of the connecting spring (12) is fixedly connected with one side of an inner cavity of the second transmission shaft sleeve (4), the other end of the connecting spring (12) extends to the outside of the second transmission shaft sleeve (4) and is fixedly provided with a limiting clamping head (13) to be clamped with the limiting clamping groove (6) on the second transmission member (3), and the right side of the outside of the second transmission member (3) is contacted with the left side of the second transmission shaft sleeve (4);
a first groove (7) is arranged inside the right end of the second transmission component (3), and the middle part of the outer surface of the second transmission component (3) is movably sleeved with a movable snap ring (8) communicated with the inner cavity of the first groove (7), the inner wall of the first groove (7) is movably sleeved with a hydraulic ring sleeve (10), and the hydraulic ring sleeve (10) is kept flush with the end part of the second transmission component (3) in the initial state, a second groove (14) is arranged inside the left end of the second driving shaft sleeve (4), and a conducting ring (16) which forms electric feedback connection with the end face of the inner cavity of the second groove (14) is movably sleeved in the middle of the outer surface of the second driving shaft sleeve (4), the other end of the conducting ring (16) is electrically connected with a control system of the internal grinding machine, a group of first friction gaskets (9) are respectively arranged at the upper end and the lower end of the right side of the inner wall of the first groove (7) on the second transmission component (3), and the inner wall and the outer surface of the hydraulic ring sleeve (10) movably sleeved on the hydraulic ring sleeve are respectively provided with a group of electric heating rings (11), the upper end and the lower end of the inner wall of a second groove (14) on the second transmission shaft sleeve (4) are respectively provided with a group of second friction gaskets (15), meanwhile, the sum of the lengths of the first friction pad (9) and the second friction pad (15) is equal to the length of the electric heating ring (11) on the hydraulic ring sleeve (10);
starting the internal grinding machine and driving a second transmission member (3) on the mechanism to rotate along with the internal grinding machine, driving a second transmission shaft sleeve (4) to rotate along with the internal grinding machine under the transmission action of a connecting spring (12) and a limiting chuck (13), enabling the second transmission shaft sleeve (4) to deflect outwards and stretching the connecting spring (12) under the action of centrifugal force, enabling central axes between the second transmission member (3) and the second transmission shaft sleeve (4) to be staggered mutually, then moving a rotating main shaft of the internal grinding machine, enabling an inner circle polishing head (5) on the mechanism to gradually approach to and contact with the inner wall of the bearing sleeve, further enabling the deflected position of the second transmission shaft sleeve (4) to be continuously reduced until the deflected position returns to the initial position, starting a hydraulic pump station on the internal grinding machine to extrude and convey hydraulic oil into a first groove (7) of the second transmission member (3) while moving the central axes of the internal grinding machine to drive a hydraulic pump station on the second transmission member (3) to press hydraulic pressure of a second transmission ring sleeve (4) to be continuously communicated with an inner cavity (14) of the second transmission ring sleeve (4) when the inner transmission ring sleeve (4) is moved, and a hydraulic pump station on the second transmission ring (10) is directly connected with a hydraulic control signal, and a second transmission ring (14) on the inner cavity (10) of the second transmission ring sleeve (4) is continuously controlled by a second transmission ring system, the electric heating ring (11) is forced to deform and expand by generating heat, and the second transmission component (3) and the second transmission shaft sleeve (4) are stably clamped together under the action of the first friction gasket (9), so that the second transmission component (3) and the second transmission shaft sleeve (4) are driven to synchronously rotate along with the rotating main shaft of the internal grinding machine so as to polish the inner wall of the bearing sleeve.
2. The internal grinding machine for machining the bearing bush of the electric equipment as claimed in claim 1, wherein: and an electric feedback connection is formed between the hydraulic pump station and the control system of the internal grinding machine, and when the internal grinding machine is started, the hydraulic pump station on the internal grinding machine is also started.
3. The internal grinding machine for machining the bearing bush of the electric equipment as claimed in claim 2, wherein: the hydraulic ring sleeve (10) is made of memory alloy materials, and a sealing washer is arranged on the end face, facing the inner side, of the hydraulic ring sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210537960.6A CN114800077B (en) | 2022-05-18 | 2022-05-18 | Internal grinding machine for machining bearing sleeve of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210537960.6A CN114800077B (en) | 2022-05-18 | 2022-05-18 | Internal grinding machine for machining bearing sleeve of power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114800077A CN114800077A (en) | 2022-07-29 |
| CN114800077B true CN114800077B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210537960.6A Active CN114800077B (en) | 2022-05-18 | 2022-05-18 | Internal grinding machine for machining bearing sleeve of power equipment |
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| CN (1) | CN114800077B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749530A (en) * | 1972-01-24 | 1973-07-31 | Dresser Ind | Governor for pneumatic motor |
| CN103009246B (en) * | 2012-11-07 | 2015-03-18 | 长春设备工艺研究所 | Double-eccentric bushing regulating device for rotation balance of high-rotating-speed polishing head |
| CN104057106B (en) * | 2014-06-24 | 2016-06-15 | 宁波宫铁智能科技有限公司 | A kind of Pneumatic manipulator material-receiving device |
| CN107336132A (en) * | 2017-08-25 | 2017-11-10 | 四川峨胜水泥集团股份有限公司 | Blower fan main shaft bearing position on-line machining structure |
| CN211841324U (en) * | 2020-01-17 | 2020-11-03 | 佛山市朝友科技有限公司 | Novel intelligence edging head |
| CN114074289A (en) * | 2021-11-08 | 2022-02-22 | 余涛 | Grinding wheel positioning feedback mechanism for precision machining |
| CN113958616A (en) * | 2021-11-08 | 2022-01-21 | 重庆交通职业学院 | Transmission locking piece for electromechanical control |
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2022
- 2022-05-18 CN CN202210537960.6A patent/CN114800077B/en active Active
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Effective date of registration: 20221214 Address after: No. 112-5, building 13, Tongyun Trade City, Guangling District, Yangzhou City, Jiangsu Province 225002 Applicant after: Yangzhou Oula Industrial Design Co.,Ltd. Address before: 225006 No.8 Shawan South Road, Guangling Industrial Park, Guangling District, Yangzhou City, Jiangsu Province Applicant before: YANGZHOU SENYUAN POWER TECHNOLOGY Co.,Ltd. |
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