CN108247355A - A kind of bridge equipment - Google Patents
A kind of bridge equipment Download PDFInfo
- Publication number
- CN108247355A CN108247355A CN201711403325.4A CN201711403325A CN108247355A CN 108247355 A CN108247355 A CN 108247355A CN 201711403325 A CN201711403325 A CN 201711403325A CN 108247355 A CN108247355 A CN 108247355A
- Authority
- CN
- China
- Prior art keywords
- load carrier
- motor
- plate
- fixed
- crossbeam
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1543—Stationary devices using electromagnets
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a kind of bridge equipment, including bottom plate and crossbeam, the crossbeam is set at the top of bottom plate, the first load carrier and the second load carrier are equipped at the top of the bottom plate, second load carrier is set on the first load carrier side, first load carrier and the second load carrier include support plate, bull stick is equipped between the support plate, bearing roller is equipped on the outside of the bull stick, the bearing roller is internally provided with multiple electromagnet, the support plate side is equipped with transmission motor, the first load carrier both sides are equipped with shifting chute, the shifting chute side is equipped with loading plate, mobile terminal and switch board are equipped at the top of the loading plate.The present invention by by drilling tool or grinding knife tool be moved to suitable position and drilling tool persistently rotate and decline or grinding knife tool rotate, so as on steel plate or steel punch or be ground, reasonable design, it is easy to operate, easy to use, high degree of automation reduces manpower expenditure.
Description
Technical field
The present invention relates to bridge technology field, more particularly to a kind of bridge equipment.
Background technology
In bridge construction process, need to use a large amount of steel plates and steel, be needed according to the difference of actual conditions by steel plate
And steel are processed, staff needs that steel plate and steel are ground and are bored as requested in process
Hole then needs to use drilling device and equipment for grinding when being ground and being drilled, when needing to process steel plate grinding and drilling,
It is carried out on different machines respectively due to drilling and being ground, needs often to cut steel plate between drilling device and equipment for grinding
It changes, when switching needs to carry out steel plate repeatedly to carry out clamping and positioning, complicated for operation, time-consuming and laborious, causes unnecessary people
Power wastes, while production efficiency is relatively low.
Therefore, it is necessary to solve the above problems to invent a kind of bridge equipment.
Invention content
The purpose of the present invention is to provide a kind of bridge equipment, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：A kind of bridge equipment, including bottom plate and crossbeam, institute
Crossbeam is stated at the top of bottom plate, the first load carrier and the second load carrier, the second carrying machine are equipped at the top of the bottom plate
Structure is set on the first load carrier side, and first load carrier and the second load carrier include support plate, the support plate
Between be equipped with bull stick, be equipped with bearing roller on the outside of the bull stick, the bearing roller is internally provided with multiple electromagnet, the support plate side
Face is equipped with transmission motor, and the first load carrier both sides are equipped with shifting chute, and the shifting chute side is equipped with loading plate, described
Mobile terminal and switch board are equipped at the top of loading plate, the switch board is set on mobile terminal side, and the switch board is internally provided with
Microcontroller, the bottom base plate are equipped with supporting block, and the crossbeam bottom is equipped with the first lead screw motor, the first lead screw motor side
Face is equipped with the first screw, and first screw is equipped with link block, and the link block bottom is equipped with mounting base, the mounting base bottom
Portion is equipped with the first cylinder, and first cylinder bottom is equipped with the first fixed plate, and the first fixed plate side is equipped with bore motor,
The bore motor bottom end is equipped with drilling tool, and the first cylinder side is equipped with the second cylinder, and second cylinder bottom is set
There is the second fixed plate, the second fixed plate side is equipped with grinding motor, and the grinding motor bottom end is equipped with grinding knife tool, described
Crossbeam both ends are equipped with supporting beam, and the supporting beam bottom is equipped with fixed block, runs through on the fixed block and be equipped with the second screw, institute
Fixed block both sides are stated equipped with movable pulley, bottom plate top both ends are equipped with fixed beam, and the fixed beam sides is equipped with second
Bar motor.
Preferably, sliding block is equipped at the top of the link block, the crossbeam bottom is equipped with sliding slot.
Preferably, the sliding block matches with sliding slot, and the link block is slidably connected with crossbeam by sliding block and sliding slot.
Preferably, the bull stick is connect through support plate and with transmission motor drive, and second screw is set on fixed beam
Between and be sequentially connected through fixed beam and the second lead screw motor.
Preferably, first lead screw motor is disposed as positive and negative motor, the microcontroller model with the second lead screw motor
M68HC16 is set as, the bearing roller is made of metal material.
Preferably, the movable pulley is set at the top of shifting chute, and the movable pulley is slidably connected with shifting chute.
Preferably, the link block is connect with the first wire rod thread, and the fixed block is connect with the second wire rod thread.
Preferably, the transmission motor, the first lead screw motor and the second lead screw motor are electrically connected with microcontroller, described
Mobile terminal, the first cylinder and the second cylinder are electrically connected with microcontroller.
The technique effect and advantage of the present invention：1：The first screw is driven to rotate drilling tool by the first lead screw motor
Or grinding knife tool transverse shifting, the second screw is driven to rotate drilling tool or grinding knife tool longitudinal direction by the second lead screw motor
It is mobile, so as to which drilling tool or grinding knife tool are moved to suitable position, the elongation of the first cylinder or the second cylinder is then controlled to stretch
Long, bore motor or grinding motor are powered, so as to adjust the height of drilling tool or grinding knife tool so that drilling tool persistently revolves
Turn and decline or grinding knife tool rotation, so as on steel plate or steel punch or be ground, reasonable design is easy to operate, user
Just, high degree of automation reduces manpower expenditure；2：Steel plate to be processed or steel one end are placed into the first load carrier
It on bearing roller, is then sent and ordered to microcontroller by mobile terminal so that microcontroller control transmission electrical power drives carrying
Roller rotates, so as to which steel plate or steel to be processed to be pushed to the bearing roller in the second load carrier using the rotation of bearing roller
On, manpower is effectively saved, reduces and places difficulty, convenient for rapidly entering procedure of processing, processing efficiency is effectively improved, places and complete
Afterwards, after steel plate or steel process finishing, operating personnel only need electromagnet to be controlled to power off by microcontroller, then buttress steel plate
Or steel, control transmission motor drives bearing roller to rotate backward, so as to which the steel plate processed or steel be pushed, by making
It is fixed with electromagnet, so as to replace the fixing means such as traditional fixture, effectively reduces procedure of processing, reduce process time, improve
Working efficiency reduces manpower and is made；3：Electromagnet energization is controlled by microcontroller, steel plate or steel are attracted to the top of bearing roller
Portion, so as to which steel plate or steel are fixed, the situation that steel plate or steel is effectively prevent to shift in process avoids
Because offset causes processing is inaccurate to happen, avoid because process it is inaccurate caused by do over again even steel plate or steel can not be after
It is continuous use happen, avoid unnecessary economic loss.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the whole side structure schematic view of the present invention.
In figure：1 bottom plate, 2 crossbeams, 3 first load carriers, 4 second load carriers, 5 support plates, 6 bull sticks, 7 bearing rollers, 8
Electromagnet, 9 transmission motors, 10 shifting chutes, 11 loading plates, 12 mobile terminals, 13 switch boards, 14 microcontrollers, 15 supporting blocks, 16 the
One lead screw motor, 17 first screws, 18 link blocks, 19 mounting bases, 20 first cylinders, 21 first fixed plates, 22 bore motors, 23
Drilling tool, 24 second cylinders, 25 second fixed plates, 26 grinding motors, 27 grinding knife tools, 28 supporting beams, 29 fixed blocks, 30
Two screws, 31 movable pulleys, 32 fixed beams, 33 second lead screw motors, 34 sliding blocks, 35 sliding slots.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
A kind of bridge equipment according to figure 1, the crossbeam 2 are set on the top of bottom plate 1, first load carrier 3 with
Second load carrier 4 includes support plate 5, is equipped with bull stick 6 between the support plate 5, the bull stick 6 through support plate 5 and with
Transmission motor 9 is sequentially connected, and 6 outside of bull stick is equipped with bearing roller 7, and the bearing roller 7 is made of metal material, the carrying
Roller 7 is internally provided with multiple electromagnet 8, and in order to electromagnet 8 be controlled to be powered by microcontroller 14, steel plate or steel are attracted to and hold
The top of roller 7 is carried, so that steel plate or steel are fixed, steel plate is effectively prevent or steel shifts in process
Situation avoids causing processing is inaccurate to happen because of offset, avoid because process it is inaccurate caused by do over again even steel plate or
What steel can not be continuing with happens, and avoids unnecessary economic loss, and 5 side of support plate is equipped with transmission motor
9,3 both sides of the first load carrier are equipped with shifting chute 10, and 10 side of shifting chute is equipped with loading plate 11, the loading plate
11 tops are equipped with mobile terminal 12 and switch board 13, and the switch board 13 is in 12 side of mobile terminal, the switch board 13
Portion is equipped with microcontroller 14, and 14 model of microcontroller is set as M68HC16, the transmission motor 9, the first lead screw motor 16 and the
Two lead screw motors 33 are electrically connected with microcontroller 14, the mobile terminal 12, the first cylinder 20 and the second cylinder 24 with list
Piece machine 14 is electrically connected, and 1 bottom of bottom plate is equipped with supporting block 15, and 2 bottom of crossbeam is equipped with the first lead screw motor 16, described
First lead screw motor, 16 side be equipped with the first screw 17, first screw 17 be equipped with link block 18, the link block 18 with
First screw 17 is threadedly coupled, and 18 bottom of link block is equipped with mounting base 19, and 19 bottom of mounting base is equipped with the first cylinder
20,20 bottom of the first cylinder is equipped with the first fixed plate 21, and 21 side of the first fixed plate is equipped with bore motor 22, described
22 bottom end of bore motor is equipped with drilling tool 23, and 20 side of the first cylinder is equipped with the second cylinder 24, second cylinder 24
Bottom is equipped with the second fixed plate 25, and 25 side of the second fixed plate is equipped with grinding motor 26, and 26 bottom end of grinding motor is set
There is grinding knife tool 27,2 both ends of crossbeam are equipped with supporting beam 28, and 28 bottom of supporting beam is equipped with fixed block 29, described solid
Determine to run through on block 29 and be equipped with the second screw 30, second screw 30 is set between fixed beam 32 and through fixed beam 32 and second
Lead screw motor 33 is sequentially connected, and the fixed block 29 is threadedly coupled with the second screw 30, and 29 both sides of fixed block are equipped with movement
Wheel 31, the movable pulley 31 are set on 10 top of shifting chute, and the movable pulley 31 is slidably connected with shifting chute 10, the link block 18
Top is equipped with sliding block 34, and 2 bottom of crossbeam is equipped with sliding slot 35, and the sliding block 34 matches with sliding slot 35, the link block 18
It is slidably connected with crossbeam 2 by sliding block 34 and sliding slot 35.
Shown a kind of bridge equipment according to fig. 2,1 top of bottom plate are equipped with the first load carrier 3 and the second carrying machine
Structure 4, second load carrier 4 are set on 3 side of the first load carrier, and the 1 top both ends of bottom plate are equipped with fixed beam 32, institute
32 side of fixed beam is stated equipped with the second lead screw motor 33,16 and second lead screw motor 33 of the first lead screw motor is disposed as just
Anti- motor, after working as steel plate or steel process finishing, operating personnel only need to control electromagnet 8 disconnected by microcontroller 14
Then electricity buttresses steel plate or steel, control transmission motor 9 drives bearing roller 7 to rotate backward, thus by the steel plate processed or steel
Material pushes, and is fixed by using electromagnet 8, so as to replace the fixing means such as traditional fixture, effectively reduces procedure of processing,
Process time is reduced, improves working efficiency, manpower is reduced and is made.
Operation principle of the present invention：During work, steel plate to be processed or steel one end are placed into the first load carrier 3
It on bearing roller 7, is then sent and ordered to microcontroller 14 by mobile terminal 12 so that the control transmission motor 9 of microcontroller 14 is powered
Bearing roller 7 is driven to rotate, so as to which steel plate or steel to be processed are pushed to the second load carrier 4 using the rotation of bearing roller 7
In bearing roller 7 on, effectively save manpower, reduce and place difficulty, convenient for rapidly entering procedure of processing, effectively improve processing effect
Rate after the completion of placement, controls electromagnet 8 to be powered by microcontroller 14, and steel plate or steel are attracted to the top of bearing roller 7, from
And steel plate or steel are fixed, the situation that steel plate or steel is effectively prevent to shift in process, it avoids because partially
Move happening of causing processing inaccurate, avoid because process it is inaccurate caused by do over again even steel plate or steel can not continue to make
It happens, avoids unnecessary economic loss, then operating personnel drive first by the first lead screw motor 16
Bar 17 rotates so that 27 transverse shifting of drilling tool 23 or grinding knife tool, 30 turns of the second screw is driven by the second lead screw motor 33
It is dynamic that drilling tool 23 or grinding knife tool 27 are vertically moved, so as to which drilling tool 23 or grinding knife tool 27 are moved to suitable position
It puts, then controls that the first cylinder 20 extends or the second cylinder 24 extends, bore motor 22 or grinding motor 26 are powered, so as to adjust
The height of drilling tool 23 or grinding knife tool 27 so that drilling tool 23 is persistently rotated and is declined or grinding knife tool 27 rotates, from
And punch or be ground on steel plate or steel, reasonable design is easy to operate, easy to use, high degree of automation, reduces manpower branch
Go out, after steel plate or steel process finishing, operating personnel only need electromagnet 8 to be controlled to power off by microcontroller 14, then buttress
Steel plate or steel, control transmission motor 9 drives bearing roller 7 to rotate backward, so as to which the steel plate processed or steel be pushed,
It is fixed by using electromagnet 8, so as to replace the fixing means such as traditional fixture, procedure of processing is effectively reduced, when reducing processing
Between, working efficiency is improved, manpower is reduced and is made.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of bridge equipment, including bottom plate（1）With crossbeam（2）, it is characterised in that：The crossbeam（2）Set on bottom plate（1）Top
Portion, the bottom plate（1）Top is equipped with the first load carrier（3）With the second load carrier（4）, second load carrier（4）If
In the first load carrier（3）Side, first load carrier（3）With the second load carrier（4）Include support plate（5）, institute
State support plate（5）Between be equipped with bull stick（6）, the bull stick（6）Outside is equipped with bearing roller（7）, the bearing roller（7）It is internally provided with
Multiple electromagnet（8）, the support plate（5）Side is equipped with transmission motor（9）, first load carrier（3）Both sides are equipped with
Shifting chute（10）, the shifting chute（10）Side is equipped with loading plate（11）, the loading plate（11）Top is equipped with mobile terminal
（12）With switch board（13）, the switch board（13）Set on mobile terminal（12）Side, the switch board（13）It is internally provided with list
Piece machine（14）, the bottom plate（1）Bottom is equipped with supporting block（15）, the crossbeam（2）Bottom is equipped with the first lead screw motor（16）, institute
State the first lead screw motor（16）Side is equipped with the first screw（17）, first screw（17）It is equipped with link block（18）, it is described
Link block（18）Bottom is equipped with mounting base（19）, the mounting base（19）Bottom is equipped with the first cylinder（20）, first cylinder
（20）Bottom is equipped with the first fixed plate（21）, first fixed plate（21）Side is equipped with bore motor（22）, the drilling electricity
Machine（22）Bottom end is equipped with drilling tool（23）, first cylinder（20）Side is equipped with the second cylinder（24）, second cylinder
（24）Bottom is equipped with the second fixed plate（25）, second fixed plate（25）Side is equipped with grinding motor（26）, the grinding electric
Machine（26）Bottom end is equipped with grinding knife tool（27）, the crossbeam（2）Both ends are equipped with supporting beam（28）, the supporting beam（28）Bottom
Equipped with fixed block（29）, the fixed block（29）It is upper to run through equipped with the second screw（30）, the fixed block（29）Both sides, which are equipped with, to be moved
Driving wheel（31）, the bottom plate（1）Top both ends are equipped with fixed beam（32）, the fixed beam（32）Side is equipped with the second screw electricity
Machine（33）.
2. a kind of bridge equipment according to claim 1, it is characterised in that：The link block（18）Top is equipped with sliding block
（34）, the crossbeam（2）Bottom is equipped with sliding slot（35）.
3. a kind of bridge equipment according to claim 1 or 2, it is characterised in that：The sliding block（34）With sliding slot（35）Phase
Matching, the link block（18）With crossbeam（2）Pass through sliding block（34）With sliding slot（35）It is slidably connected.
4. a kind of bridge equipment according to claim 1, it is characterised in that：The bull stick（6）Through support plate（5）And with
Transmit motor（9）It is sequentially connected, second screw（30）Set on fixed beam（32）Between and through fixed beam（32）With second
Lead screw motor（33）It is sequentially connected.
5. a kind of bridge equipment according to claim 1, it is characterised in that：First lead screw motor（16）With second
Bar motor（33）It is disposed as positive and negative motor, the microcontroller（14）Model is set as M68HC16, the bearing roller（7）By gold
Belong to material to be made.
6. a kind of bridge equipment according to claim 1, it is characterised in that：The movable pulley（31）Set on shifting chute（10）
Top, the movable pulley（31）With shifting chute（10）It is slidably connected.
7. a kind of bridge equipment according to claim 1, it is characterised in that：The link block（18）With the first screw（17）
It is threadedly coupled, the fixed block（29）With the second screw（30）It is threadedly coupled.
8. a kind of bridge equipment according to claim 1, it is characterised in that：The transmission motor（9）, the first lead screw motor
（16）With the second lead screw motor（33）And microcontroller（14）It is electrically connected, the mobile terminal（12）, the first cylinder（20）With
Second cylinder（24）And microcontroller（14）It is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403325.4A CN108247355A (en) | 2017-12-22 | 2017-12-22 | A kind of bridge equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403325.4A CN108247355A (en) | 2017-12-22 | 2017-12-22 | A kind of bridge equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108247355A true CN108247355A (en) | 2018-07-06 |
Family
ID=62722772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403325.4A Pending CN108247355A (en) | 2017-12-22 | 2017-12-22 | A kind of bridge equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108247355A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942249A (en) * | 2018-07-27 | 2018-12-07 | 芜湖市黄山松工业地坪新材料有限公司 | A kind of novel metal foil processing drilling device |
| CN111546065A (en) * | 2020-04-27 | 2020-08-18 | 丽水市莲都区华荣君泽机械厂 | Automatic punching equipment for truck beam frame |
| CN112178284A (en) * | 2020-10-27 | 2021-01-05 | 常州信息职业技术学院 | Pipeline antidetonation support and processing equipment thereof |
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| CN107175553A (en) * | 2017-07-12 | 2017-09-19 | 信丰迅捷兴电路科技有限公司 | A kind of wiring board nog plate production system |
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| JP2001198750A (en) * | 2000-01-20 | 2001-07-24 | Howa Mach Ltd | Work table drive device for substrate drilling machine |
| CN203062243U (en) * | 2013-01-25 | 2013-07-17 | 山东永华机械有限公司 | Milling and grinding compound machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108942249A (en) * | 2018-07-27 | 2018-12-07 | 芜湖市黄山松工业地坪新材料有限公司 | A kind of novel metal foil processing drilling device |
| CN111546065A (en) * | 2020-04-27 | 2020-08-18 | 丽水市莲都区华荣君泽机械厂 | Automatic punching equipment for truck beam frame |
| CN112178284A (en) * | 2020-10-27 | 2021-01-05 | 常州信息职业技术学院 | Pipeline antidetonation support and processing equipment thereof |
| CN112178284B (en) * | 2020-10-27 | 2022-07-01 | 常州信息职业技术学院 | Processing equipment that pipeline antidetonation support matches |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
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| RJ01 | Rejection of invention patent application after publication |