CN111001843B - Permanent magnet servo system for cleaning dust particles and reducing vibration frequency - Google Patents
Permanent magnet servo system for cleaning dust particles and reducing vibration frequency Download PDFInfo
- Publication number
- CN111001843B CN111001843B CN201911270546.8A CN201911270546A CN111001843B CN 111001843 B CN111001843 B CN 111001843B CN 201911270546 A CN201911270546 A CN 201911270546A CN 111001843 B CN111001843 B CN 111001843B
- Authority
- CN
- China
- Prior art keywords
- plate
- rod
- embedded
- ring
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002245 particle Substances 0.000 title claims abstract description 47
- 238000004140 cleaning Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims 2
- 230000005389 magnetism Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 13
- 238000005553 drilling Methods 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a permanent magnet servo system for cleaning dust particles and reducing vibration frequency, which structurally comprises a drill bit, a machine body, a machine plate, a control ring and a machine cover, wherein the drill bit is locked with the machine body, the machine body is welded with the machine plate, the control ring is arranged on the machine body, the machine body is connected with the machine cover in an installing way, the control ring consists of a square buckle, a button and a ring belt, and the square buckle and the button are embedded in the ring belt. The equipment runs more stably and the running data is accurate.
Description
Technical Field
The invention relates to the field of servo systems, in particular to a permanent magnet servo system for cleaning dust particles and reducing vibration frequency.
Background
The servo control system is an automatic control device which transmits according to command signals to realize rotation action, and also is a system which achieves the position, speed or acceleration control of a mechanical system in a loop control mode, can obtain accurate position, speed and power output in operation, and has the main function of transmitting power to a controlled body.
In the prior art, a motor in the operation process is high in rotating speed, a large number of generated wear particles are generated, vibration is easy to occur, particularly, after the speed is increased in the operation process, the vibration amplitude of a machine is increased, and obvious vibration can occur, so that the collision frequency of a drill and a machine body is increased, the generated wear particles are increased, the number of the generated wear particles is increased, and the drill rod and the machine body are easy to rub due to dust particles, so that the equipment is abnormal in operation and the accuracy of operation data is reduced.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a permanent magnet servo system for cleaning dust particles and reducing vibration frequency, which aims to solve the problems that the rotation speed of a motor in the operation process is high, more abrasion particles are generated, vibration is easy to occur, particularly, the vibration amplitude of a machine is increased after the speed is increased in the operation process, and obvious shaking is generated, so that the collision frequency of a drill and a machine body is increased, more abrasion particles are generated, and the friction between a drill rod and the machine body is easy to occur due to the dust particles, so that the operation of equipment is abnormal, and the accuracy of operation data is reduced.
The invention is realized by adopting the following technical scheme: a permanent magnet servo system for cleaning dust particles and reducing vibration frequency structurally comprises a drill bit, a machine body, a machine plate, a control ring and a machine cover, wherein the drill bit is locked with the right end of the machine body, the bottom of the machine body is welded with the machine plate, the control ring is arranged at the left end of the machine body, the machine body is arranged and connected with the right end of the machine cover, the control ring comprises a square buckle, a button and a ring belt, the square buckle and the button are embedded in the ring belt, the drill bit comprises a drill plate, a drill ring and a drill rod, the drill plate is embedded in the drill ring, the drill ring is connected with a drill rod shaft, and a double-buckle structure is arranged between the drill ring and the drill; the machine plate comprises bottom plate, swash plate, folded plate, the bottom plate welds with the swash plate bottom, swash plate middle part and folded plate erection joint.
Further preferably, the double-buckle structure comprises a lever arm, a lever pile, a connecting rod and a connecting rod cover, the lever arm is connected with the lever pile through a shaft and forms a cross structure, and the upper end and the lower end of the connecting rod are connected with the lever pile and the connecting rod cover in an installing mode.
Preferably, the connecting rod comprises an inner circular cover, a square cover and a cover rod, the inner circular cover is embedded in the middle of the square cover, and the square cover is connected with the upper end of the cover rod in an installing mode.
Further preferably, the folded plate comprises a middle spring pad, a pad panel and a sub-pad, the middle spring pad is connected with the front side of the pad panel in an installing mode, and the front side of the pad panel is welded with the sub-pad.
Further preferably, the drill rod comprises a seam rod, a strip dividing ring, an arc dividing plate and a bottom circular structure, the inner side of the seam rod is connected with the arc dividing plate through a track, the strip dividing ring is connected with the seam rod and the middle of the arc dividing plate in an installing mode, and the bottom of the arc dividing plate is connected with the bottom circular structure in an installing mode.
Preferably, the bottom circular structure comprises a bottom circular shaft rod, a bottom circular plate, a bottom circular shaft spring and a circular side plate, the bottom circular shaft rod penetrates through the bottom circular plate and is positioned at the same axis, the right end of the bottom circular shaft rod is welded with the bottom circular shaft spring, and the left end of the bottom circular plate is connected with the circular side plate in an installing mode.
Preferably, the circular side plate comprises a fan plate, a circular plate and an inner tube, the fan plate is welded with the middle of the inner tube, the inner ring of the circular plate is connected with the inner tube through a shaft, and the middle of the inner tube is provided with an inner ring tube and an outer ring tube.
Preferably, the inner ring pipe comprises an inner ring rod, an embedded inner ring and an embedded inner column, the right end of the inner ring rod penetrates through the embedded inner ring to be installed on the embedded inner column, the outer ring pipe comprises an outer ring rod, an embedded outer ring and an embedded outer column, and the right end of the outer ring rod penetrates through the embedded outer ring to be installed on the embedded outer column.
Advantageous effects
After the motor is arranged at a designated position, a power supply is started for preheating, the machine plate strengthens the stability of the machine body in operation when the equipment is operated, when the jitter is large, the middle spring pad and the branch pad can expand according to the jitter frequency to form a triangular air cushion body to further strengthen and stabilize the machine body of the motor, the button is used for adjusting the elasticity of the girdle band, the square buckle is used for adjusting the movement of the girdle band, the fixation of the machine cover is strengthened, the stability of the machine cover is improved, namely the stability of the whole motor is improved, when the machine is operated, the drill rod rotates, the double-buckle structure plays a role in strengthening the fixation of the drill plate and the drill collar, the rod arm plays a linking role, and the rod pile, the linking rod and the linking rod;
the drill rod is of an assembled deformation structure, when a large number of abraded particles exist, the seam rod and the arc dividing plate move in a staggered mode, part of the particles can be collected into the drill rod, the bottom circle structure acts on the particles to play a role in buffering after the particles enter the drill rod, slow feeding and ordered feeding of the particles are achieved, then the particles are concentrated on the strip dividing ring to facilitate later cleaning and guarantee stability of rotation of the drill rod, when the bottom circle structure is driven, the elastic effect of a bottom circle shaft spring achieves matched driving of the bottom circle shaft rod and the bottom circle circular plate under the condition that frequency is stable and ordered, the circular side plate can flexibly perform micro-swinging and micro-bouncing according to the particle leakage situation, stability of particle leakage is further improved, the fan plate achieves micro-swinging, the inner pipe achieves micro-bouncing, the inner ring pipe is matched with the outer ring pipe in left-right telescopic driving to achieve integrated driving of swinging and bouncing, and the embedded design of the inner ring pipe and the outer ring pipe, the whole machine is smooth and stable in transmission.
Compared with the prior art, the invention has the beneficial effects that: the quick-witted board carries out the inflation operation according to the shake frequency and forms triangle-shaped air cushion body and further strengthen firmly to the motor fuselage, the control ring has strengthened the fixed to the aircraft bonnet, the stationarity that improves the aircraft bonnet has also improved the holistic stationarity of motor, vibration frequency greatly reduced, when the wearing and tearing particle appears, the particle can get into in the drilling rod, and realize falling into in order under the transmission of base circle structure and divide the strip ring, the wearing and tearing particle of production has obtained effective clearance, the drilling rod can not take place the friction because of the dirt particle with the fuselage, equipment operation is more stable, the operation data is accurate.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 shows a schematic structural diagram of a permanent magnet servo system for cleaning dust particles and reducing vibration frequency according to the invention.
Fig. 2 shows a schematic structure of the drill bit and the machine plate of the invention.
Fig. 3 shows a schematic view of the construction of the drill bit of the present invention.
Fig. 4 shows a schematic structural view of the double buckle structure of the present invention.
Fig. 5 shows a schematic view of the structure of the joint rod of the present invention.
Fig. 6 shows a schematic view of the construction of the flap of the present invention.
Figure 7 shows a schematic of the construction of the drill rod of the present invention.
Fig. 8 shows a schematic structure of the base circle structure of the present invention.
Fig. 9 shows a schematic structural view of the circular side plate of the present invention.
Fig. 10 shows a schematic view of the construction of the inner collar of the present invention.
Fig. 11 shows a schematic view of the structure of the outer collar of the present invention.
In the figure: the drilling tool comprises a drilling head 1, a machine body 2, a machine plate 3, a control ring 4, a machine cover 5, a square buckle 40, a button 41, an annular belt 42, a drilling plate 10, a drilling ring 11, a drilling rod 12, a double-buckle structure 100, a bottom plate 30, an inclined plate 31, a folded plate 32, a lever arm 1000, a rod pile 1001, a connecting rod 1002, a connecting rod cover 1003, an inner circle cover 70, a square cover 71, a cover rod 72, a middle spring pad 320, a pad embedding plate 321, a separating pad 322, a sewing rod 120, a separating ring 121, an arc separating plate 122, a bottom circle structure 123, a bottom circle shaft rod 1230, a bottom circle circular plate 1231, a bottom circle shaft spring 1232, a circle side plate 1233, a fan plate 60, a circular plate 61, an inner pipe 62, an inner ring pipe 620, an outer ring pipe 621, an inner ring rod 6200, an inner embedding ring 6201, an inner embedding column 6202, an outer.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
After the motor is installed at a designated position, a starting power supply is preheated, the machine plate 3 strengthens the stability of the operation of the machine body 2 when the equipment operates, when the jitter is large, the middle spring pad 320 and the branch pad 322 can expand according to the jitter frequency to form a triangular air cushion body to further strengthen the stability of the machine body, the button 41 is used for adjusting the elasticity of the girdle 42, the square buckle 40 is used for adjusting the movement of the girdle 42, the fixation of the machine cover 5 is strengthened, the stability of the machine cover 5 is improved, namely the overall stability of the motor is improved, the drill rod 12 rotates during the operation, the double-buckle structure 100 plays a role in strengthening the fixation of the drill plate 10 and the drill collar 11, the rod arm 1000 plays a role in connection, and the rod pile 1001, the connecting rod 1002 and the connecting rod cover 1003 play a role in elastic buffering.
The drill rod 12 is an assembled deformable structure, when the abrasion particles are more, the seam rod 120 and the arc dividing plate 122 move in a staggered mode, part of the particles can be taken into the drill rod 12, the bottom circular structure 123 acts on the particles to play a role in buffering after the particles enter the drill rod 12, slow feeding and ordered feeding of the particles are achieved, then the particles are concentrated on the strip dividing ring 121 to facilitate later cleaning and ensure the stability of rotation of the drill rod 12, when the bottom circular structure 123 is in transmission, the elastic action of the bottom circular shaft spring 1232 achieves that the bottom circular shaft 1230 is in matched transmission with the bottom circular plate 1231 under the condition of stable and ordered frequency, the circular side plate 1233 flexibly performs micro-swinging and micro-bouncing according to the particle flow leakage condition, the stability of the particle flow leakage is further improved, the fan plate 60 achieves micro-swinging, the inner pipe 62 achieves micro-bouncing, the inner ring pipe 620 is in left-right telescopic transmission matching with the outer ring pipe to achieve swinging and bouncing integrated transmission, namely, the inner ring 6201 and the inner ring 6202 are embedded along the left, The embedded outer ring 6212 and the embedded outer column 6213 extend and retract left and right along the outer ring rod 6211, the embedded design of the inner ring pipe 620 and the outer ring pipe 621 reduces the transmission frequency and improves the stability, and the whole machine is smooth and stable in transmission.
Compared with the prior art, the invention has the technical progress that: the board 3 carries out the inflation operation according to the shake frequency and forms triangle-shaped air cushion body and further strengthen firmly to the motor fuselage, control ring 4 has strengthened the fixed to aircraft bonnet 5, the stationarity that improves aircraft bonnet 5 has also improved the holistic stationarity of motor, vibration frequency greatly reduced, when the wearing and tearing particle appears, the particle can get into in the drilling rod 12, and fall into in order under the transmission of base circle structure 123 and divide the ring 121, the wearing and tearing particle of production has obtained effective clearance, drilling rod and fuselage can not take place the friction because of the dirt particle, equipment operation is more stable, the operation data is accurate.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (2)
1. The utility model provides a dust particle clearance reduces vibration frequency's permanent magnetism servo, its structure includes drill bit (1), fuselage (2), machine board (3), control ring (4), aircraft bonnet (5), drill bit (1) and fuselage (2) locking, fuselage (2) and machine board (3) welding, install on fuselage (2) control ring (4), fuselage (2) and aircraft bonnet (5) erection joint, its characterized in that:
the control ring (4) consists of a square button (40), a button (41) and a ring belt (42), wherein the square button (40) and the button (41) are embedded in the ring belt (42);
the drill bit (1) consists of a drill plate (10), a drill collar (11) and a drill rod (12), wherein the drill plate (10) is embedded with the drill collar (11), the drill collar (11) is connected with the drill rod (12) through a shaft, and a double-buckle structure (100) is arranged between the drill collar (11) and the drill rod (12); the machine plate (3) consists of a bottom plate (30), an inclined plate (31) and a folded plate (32), the bottom plate (30) is welded with the inclined plate (31), and the inclined plate (31) is connected with the folded plate (32) in an installing manner;
the double-buckle structure (100) comprises a lever arm (1000), a lever pile (1001), a connecting rod (1002) and a connecting rod cover (1003), wherein the lever arm (1000) is connected with the lever pile (1001) in a shaft mode, and the connecting rod (1002) is connected with the lever pile (1001) and the connecting rod cover (1003) in an installing mode;
the connecting rod (1002) comprises an inner circular cover (70), a square cover (71) and a cover rod (72), the inner circular cover (70) and the square cover (71) are embedded, the square cover (71) is connected with the cover rod (72) in an installing mode, the folded plate (32) comprises a middle spring pad (320), a pad embedded plate (321) and a sub-pad (322), the middle spring pad (320) is connected with the pad embedded plate (321) in an installing mode, and the pad embedded plate (321) is welded with the sub-pad (322);
the drill rod (12) comprises a seam rod (120), a strip dividing ring (121), an arc dividing plate (122) and a bottom circle structure (123), the seam rod (120) is in rail connection with the arc dividing plate (122), the strip dividing ring (121) is in installation connection with the seam rod (120) and the arc dividing plate (122), and the arc dividing plate (122) is in installation connection with the bottom circle structure (123).
2. The permanent magnet servo system for dust particle cleaning and vibration frequency reduction according to claim 1, wherein: the bottom circle structure (123) comprises a bottom circle shaft rod (1230), a bottom circle round plate (1231), a bottom circle shaft spring (1232) and a circle side plate (1233), the bottom circle shaft rod (1230) penetrates through the bottom circle round plate (1231), the bottom circle shaft rod (1230) is welded with the bottom circle shaft spring (1232), and the bottom circle round plate (1231) is installed and connected with the circle side plate (1233);
the circular side plate (1233) comprises a fan plate (60), a circular plate (61) and an inner pipe (62), the fan plate (60) is welded with the inner pipe (62), the circular plate (61) is connected with the inner pipe (62) through a shaft, and the inner pipe (62) is provided with an inner annular pipe (620) and an outer annular pipe (621);
the inner ring pipe (620) comprises an inner ring rod (6200), an embedded inner ring (6201) and an embedded inner column (6202), the inner ring rod (6200) penetrates through the embedded inner ring (6201) to be installed on the embedded inner column (6202), the outer ring pipe (621) comprises an outer ring rod (6211), an embedded outer ring (6212) and an embedded outer column (6213), and the outer ring rod (6211) penetrates through the embedded outer ring (6212) to be installed on the embedded outer column (6213).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911270546.8A CN111001843B (en) | 2019-12-12 | 2019-12-12 | Permanent magnet servo system for cleaning dust particles and reducing vibration frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911270546.8A CN111001843B (en) | 2019-12-12 | 2019-12-12 | Permanent magnet servo system for cleaning dust particles and reducing vibration frequency |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111001843A CN111001843A (en) | 2020-04-14 |
CN111001843B true CN111001843B (en) | 2021-02-19 |
Family
ID=70115444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911270546.8A Active CN111001843B (en) | 2019-12-12 | 2019-12-12 | Permanent magnet servo system for cleaning dust particles and reducing vibration frequency |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111001843B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4679221B2 (en) * | 2005-04-22 | 2011-04-27 | 大阪瓦斯株式会社 | Pipe punching device |
CN207806717U (en) * | 2018-01-29 | 2018-09-04 | 东莞市艾能炬机械有限公司 | Internal row deep hole drill chip removal chuck |
CN109500431A (en) * | 2018-11-29 | 2019-03-22 | 马鞍山金顺来工业设计有限公司 | A kind of industrial and mineral exploitation special small drilling equipment |
CN208806719U (en) * | 2018-07-23 | 2019-04-30 | 广东光宝自控科技有限公司 | A wide range of servo motors |
CN209608489U (en) * | 2017-12-19 | 2019-11-08 | 创科(澳门离岸商业服务)有限公司 | Electric tool and motor assembly |
-
2019
- 2019-12-12 CN CN201911270546.8A patent/CN111001843B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4679221B2 (en) * | 2005-04-22 | 2011-04-27 | 大阪瓦斯株式会社 | Pipe punching device |
CN209608489U (en) * | 2017-12-19 | 2019-11-08 | 创科(澳门离岸商业服务)有限公司 | Electric tool and motor assembly |
CN207806717U (en) * | 2018-01-29 | 2018-09-04 | 东莞市艾能炬机械有限公司 | Internal row deep hole drill chip removal chuck |
CN208806719U (en) * | 2018-07-23 | 2019-04-30 | 广东光宝自控科技有限公司 | A wide range of servo motors |
CN109500431A (en) * | 2018-11-29 | 2019-03-22 | 马鞍山金顺来工业设计有限公司 | A kind of industrial and mineral exploitation special small drilling equipment |
Also Published As
Publication number | Publication date |
---|---|
CN111001843A (en) | 2020-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111001843B (en) | Permanent magnet servo system for cleaning dust particles and reducing vibration frequency | |
CN109533075A (en) | Biped climbing robot | |
CN205387196U (en) | Connection constructs in unmanned helicopter rotor head | |
CN113459744A (en) | Double-rocker independent suspension, steering and walking integrated assembly | |
CN107339790A (en) | The louver assembly and air conditioner of blinds drive device, air conditioner | |
CN108582795A (en) | A kind of plastic floor bonding machine | |
CN206015242U (en) | The angular adjustment actuator of button in a kind of sending buckle machine | |
CN214613021U (en) | 3D sewing machine looper drive mechanism | |
CN210458551U (en) | 360-degree rotation independent driving automatic sewing equipment template sewing machine | |
CN208899085U (en) | A kind of plastic circular loom | |
CN105435888B (en) | A kind of quartering hammer and the shatter machine with the quartering hammer | |
CN108263432A (en) | The turnout junction girder driving device and Riding-type Monorail Switch of Riding-type Monorail Switch | |
CN205529274U (en) | Air -jet loom | |
CN103374799B (en) | Sewing machine | |
CN113199222A (en) | Electromechanical device for quickly replacing parts by traction force | |
CN213624651U (en) | Tow boat lazytongs and sewing machine | |
CN204589526U (en) | A new high-speed quilting machine with shuttle | |
CN208591646U (en) | Preheating removes wall built-up vibrator | |
CN207335101U (en) | The louver assembly and air conditioner of blinds driving device, air conditioner | |
CN206941158U (en) | Electronic type Multifunction pleating device | |
CN205917422U (en) | Send button positioning seat of machine of knot | |
CN209128699U (en) | A kind of slicing device and the embroidery machine with the slicing device | |
CN208966336U (en) | A kind of practical safe coal mine development machine driving regulating device | |
CN219056493U (en) | Double-drive self-balancing frame | |
CN208232094U (en) | A kind of building engineering construction drilling device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210202 Address after: 264200 No.16 Huaihe street, Zhangcun Town, Huancui District, Weihai City, Shandong Province Applicant after: Weihai wochi Intelligent Technology Co.,Ltd. Address before: 351100 longshun community, Yinghui lane, Yinglong neighborhood committee, Zhenhai office, Licheng District, Putian City, Fujian Province Applicant before: Putian Licheng District jubaolong kitchen equipment Engineering Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |