CN108971547A - A kind of Novel street lamp holder equipment - Google Patents
A kind of Novel street lamp holder equipment Download PDFInfo
- Publication number
- CN108971547A CN108971547A CN201810904824.XA CN201810904824A CN108971547A CN 108971547 A CN108971547 A CN 108971547A CN 201810904824 A CN201810904824 A CN 201810904824A CN 108971547 A CN108971547 A CN 108971547A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- bottom end
- face
- transmission
- bilateral symmetry
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of Novel street lamp holder equipment, including pedestal and the support being fixedly mounted on the pedestal, the first transmission cavity is equipped in the support, bilateral symmetry, which is rotatably assorted, in the transmission cavity is equipped with the first screw rod, the first screw rod top end power in left side is fitted with the first drive row machine, the first drive row machine is fixedly arranged on the holder top end face, the first spiral rod outer surface is installed with transmission wheel, transmission is fitted with conveyer belt between the transmission wheel of the left and right sides, the support outer is stretched out in first screw rod bottom extended segment and extension is threadedly engaged and is equipped with roll adjustment frame, main base frame is installed on the roll adjustment frame, left and right is through equipped with retraction slot in the main base frame, the roll adjustment frame is slidably installed in the retraction slot, bilateral symmetry is set in the retraction slot inner bottom wall There is shrinkage pool.
Description
Technical field
The present invention relates to road lamp cap processing technique field, specially a kind of Novel street lamp holder equipment.
Background technique
Currently, needing to carry out boring work to it, drilling at present to road lamp cap when being prepared to road lamp cap
Equipment usually individually carries out boring work, and the spacing between two holes is difficult to control, and in the preparation, needs to adjust installation road repeatedly
Lamp lamp cap, it is complex for operation step, need to expend extensive work time and manual operation, moreover, drilling to road lamp cap
When, it is easy to produce a large amount of clasts and is difficult to handle, therefore, it is necessary to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of Novel street lamp holder equipment, in the prior art above-mentioned scarce for overcoming
It falls into.
A kind of Novel street lamp holder equipment according to the present invention, including pedestal and the branch being fixedly mounted on the pedestal
Seat, the support is interior to be equipped with the first transmission cavity, and bilateral symmetry, which is rotatably assorted, in the transmission cavity is equipped with the first screw rod, left side
The first screw rod top end power be fitted with the first drive row machine, the first drive row machine is fixedly arranged on the support
Top end surface, the first spiral rod outer surface are installed with transmission wheel, transmission cooperation peace between the transmission wheel of the left and right sides
Equipped with conveyer belt, the support outer is stretched out in first screw rod bottom extended segment and extension is threadedly engaged and is equipped with roll adjustment
Frame is equipped with main base frame on the roll adjustment frame, and left and right is slidably matched through retraction slot, the roll adjustment frame is equipped in the main base frame
It is mounted in the retraction slot, bilateral symmetry is equipped with shrinkage pool, the shrinkage pool bottom wall and the roll adjustment in the retraction slot inner bottom wall
Press is fitted with the first spring between frame bottom end face, is equipped with the second transmission cavity in the main base frame inner wall, and described the
Being slidably installed in two transmission cavities has transmission block, and bilateral symmetry is equipped with SWALLOW TAIL CAVITY, the swallow in the transmission block bottom end face
Intracavitary be slidably installed of tail has dovetails, and the dovetails bottom end is hingedly equipped with armed lever, the armed lever phase of the left and right sides
Mutually hinged, bilateral symmetry is equipped with first sliding groove in the second transmission cavity inner bottom wall, is slidably installed in the first sliding groove
There is gliding mass, the gliding mass top end surface is installed with flange, and the flange top and the armed lever are articulated and connected, the first sliding groove
Press is fitted with the second spring, the transmission between the SWALLOW TAIL CAVITY of the left and right sides between lateral wall and the flange
Block screw-internal thread fit is equipped with the second screw rod, second screw rod bottom extending end and the second transmission cavity inner bottom wall
Be rotatably assorted connection, and extending end power is fitted with the second drive row machine at the top of second screw rod, and described second drives row
Machine is fixedly arranged in the second transmission cavity inner roof wall, and left and right, which extends, in the first sliding groove inner bottom wall is equipped with second sliding slot, described
Bilateral symmetry, which is slidably installed, in second sliding slot slide, and the slide top end face is fixedly connected with the flange, described
Bilateral symmetry is equipped with the third sliding slot through the main base frame bottom end face, the slide bottom end face in second sliding slot inner bottom wall
It being inside installed with third and drives row machine, the output shaft that the third drives row machine bottom end is slidably installed in the third sliding slot, and
The output shaft bottom end is installed with connector, and the connector bottom end is removably equipped with drill bit, and the holder top is also set
There is lighting device.
Further technical solution, the interior bilateral symmetry of the retraction slot inner roof wall are equipped with delivery chamber, the intracavitary cunning of delivery
Dynamic to be fitted with the first delivery bar, the first delivery bar bottom end is fixedly connected with roll adjustment top of the trellis end face.
Further technical solution, the first screw rod bottom end face are installed with limited block, the limited block bottom end
Face is installed with third screw rod, and the third screw rod bottom end, which is rotatably assorted, to be mounted in the pedestal top end surface, left
It is installed with dress on the pedestal between the third screw rod of right two sides and closes frame, the dress, which closes, is equipped with dress in top of the trellis end face
Chamber is closed, the dress closes frame periphery sliding sleeve and covers equipped with anti-bits, and the anti-bits set is threadedly engaged with the third screw rod to be connect, and
The anti-bits set is slidably installed and has the second delivery bar, and the second sliding bar bottom end is fixed with the pedestal top end
Face.
Further technical solution, the third screw rod are reversed with the first screw rod screw thread.
Further technical solution, the lighting device include the lamp stand for being fixedly mounted on the holder top end face, institute
It states lamp stand top end and is fixedly installed with illuminating lamp body.
The beneficial effects of the present invention are: road lamp cap is set and closes chamber in dress when needing to road lamp cap preparation work
Interior, then starting third drive row machine rotates drill bit, meanwhile, starting first drives row machine and drives the first screw rod and third
Screw rod rotation, the first screw rod drives main base frame decline that drill bit is made to carry out drillman's work to road lamp cap, under main base frame
While drop, third screw rod drives anti-bits to cover rising, and the clast for avoiding drilling from generating splashes, when the needs adjustment left and right sides
When the distance between drill bit, starting second drives row machine and drives transmission block decline, to generate rotation between the armed lever of the left and right sides
And the pressure on top surface of the second spring is overcome to make the slide of the left and right sides towards the dovetails court for sliding and making the left and right sides on the contrary
Opposite sliding, i.e., the distance between the drill bit of the adjustable left and right sides, that is, the punching distance for having adjusted road lamp cap, from
And when being prepared to road lamp cap, the splashing of clast is effectively prevented, it is easy to use convenient for being focused on to clast, have
Effect, which is reduced, generates injury to human body, and easy to adjust to the distance between the drill bit of the left and right sides, without manually to street lamp
Dismounting is repeated in lamp cap, effectively improves to road lamp cap preparation efficiency, and passes through the setting of the first spring, so that in the seat of honour
With certain cushion effect when body progress boring work, increases stability in use, be worth of widely use.
Detailed description of the invention
Fig. 1 is overall structure diagram inside a kind of Novel street lamp holder equipment of the invention；
Fig. 2 is the enlarged structure schematic diagram of main base frame in the present invention.
Specific embodiment
Below with reference to Fig. 1-2, the present invention is described in detail.
Referring to Fig.1-2, a kind of Novel street lamp holder equipment of embodiment according to the present invention, including pedestal 100 and solid
Support 105 of the Dingan County on the pedestal 100, is equipped with the first transmission cavity 112 in the support 105, in the transmission cavity 112
Bilateral symmetry, which is rotatably assorted, is equipped with the first screw rod 107, and first screw rod, the 107 top end power in left side cooperates peace
Row machine 113 is driven equipped with first, the first drive row machine 113 is fixedly arranged on 105 top end surface of support, first screw rod
107 outer surfaces are installed with transmission wheel 110, and transmission is fitted with conveyer belt 111 between the transmission wheel 110 of the left and right sides,
105 outside of support is stretched out in first screw rod, the 107 bottom extended segment and extension is threadedly engaged and is equipped with roll adjustment frame
108, main base frame 200 is installed, left and right is described through being equipped with retraction slot 208 in the main base frame 200 on the roll adjustment frame 108
Roll adjustment frame 108 is slidably installed in the retraction slot 208, and bilateral symmetry is equipped with shrinkage pool in 208 inner bottom wall of retraction slot
214, press is fitted with the first spring 213 between 214 bottom wall of shrinkage pool and 108 bottom end face of roll adjustment frame, described
The second transmission cavity 217 is equipped in 200 inner wall of main base frame, being slidably installed in second transmission cavity 217 has transmission block
215, the interior bilateral symmetry of 215 bottom end face of transmission block is equipped with SWALLOW TAIL CAVITY 216, is slidably installed in the SWALLOW TAIL CAVITY 216
There are dovetails 223,223 bottom end of dovetails is hingedly equipped with armed lever 221, and the armed lever 221 of the left and right sides is hinged,
Bilateral symmetry is equipped with first sliding groove 225 in second transmission cavity, 217 inner bottom wall, and be slidably matched peace in the first sliding groove 225
Equipped with gliding mass 224,224 top end surface of gliding mass is installed with flange 224, and 224 top of flange and the armed lever 221 are hinged
Connection, press is fitted with the second spring 226, the left and right sides between 225 lateral wall of first sliding groove and the flange 224
The SWALLOW TAIL CAVITY 216 between 215 screw-internal thread fit of the transmission block the second screw rod 222, second spiral are installed
222 bottom extending end of bar is rotatably assorted with 217 inner bottom wall of the second transmission cavity and connect, 222 top of the second screw rod
Extending end power is fitted with the second drive row machine 209, and the second drive row machine 209 is fixedly arranged on second transmission cavity 217
Left and right, which extends, in inner roof wall, in 225 inner bottom wall of first sliding groove is equipped with second sliding slot 201, left and right in the second sliding slot 201
Symmetrically being slidably installed has slide 203, and 203 top end surface of slide is fixedly connected with the flange 224, and described second is sliding
Bilateral symmetry is equipped with the third sliding slot 202 through 200 bottom end face of main base frame, 203 bottom of slide in 201 inner bottom wall of slot
It is installed with third in end surface and drives row machine 207, the output shaft 204 that the third drives 207 bottom end of row machine is slidably installed in institute
It states in third sliding slot 202, and 204 bottom end of the output shaft is installed with connector 206,206 bottom end of connector is dismountable
Drill bit 205 is installed, 105 top of support is additionally provided with lighting device.
Valuably or illustratively, bilateral symmetry is equipped with delivery chamber 211, the delivery in 208 inner roof wall of retraction slot
Being slidably installed in chamber 211 has the first delivery bar 212, and first delivery 212 bottom end of bar and the roll adjustment frame 108 push up
End surface is fixedly connected, consequently facilitating limiting the position of the main base frame 200, main base frame 200 is prevented to be swung left and right.
Valuably or illustratively, 107 bottom end face of the first screw rod is installed with limited block 106, the limited block
106 bottom end faces are installed with third screw rod 104, and 104 bottom end of third screw rod, which is rotatably assorted, is mounted on the base
In 100 top end surface of frame, it is installed with dress on the pedestal 100 between the third screw rod 104 of the left and right sides and closes frame
101, the dress, which closes, is equipped with dress conjunction chamber 109 in 101 top end surface of frame, the dress closes 101 periphery sliding sleeve of frame and covers equipped with anti-bits
102, the anti-bits set 102 is threadedly engaged with the third screw rod 104 to be connect, and the anti-bits set 102 is slidably installed
There is the second delivery bar 102,102 bottom end of the second sliding bar is fixed with 100 top end surface of pedestal, consequently facilitating peace
It fills fixed road lamp cap and prevents clast from splashing by anti-bits set 102 when to road lamp cap boring work.
Valuably or illustratively, the third screw rod 104 is reversed with 107 screw thread of the first screw rod, from
And automatically control main base frame 200 and anti-bits set 102 towards relative to or opposite direction move.
Valuably or illustratively, the lighting device includes the lamp stand for being fixedly mounted on 105 top end surface of support
301,301 top end of lamp stand is fixedly installed with illuminating lamp body 302, to provide illuminating effect.
When needing to road lamp cap preparation work, road lamp cap is set and is closed in chamber 109 in dress, then started third and drive
Row machine 207 rotates drill bit 205, meanwhile, starting first drives row machine 113 and drives the first screw rod 107 and third spiral
Bar 104 rotates, and the first screw rod 107 drives the decline of main base frame 200 that drill bit 205 is made to carry out drillman's work to road lamp cap,
While main base frame 200 declines, third screw rod 104 drives anti-bits set 102 to rise, and the clast for avoiding drilling from generating splashes, when
When needing to adjust the distance between the drill bit 205 of the left and right sides, starting second drives row machine 209 and transmission block 215 is driven to decline, thus
It is generated between the armed lever 221 of the left and right sides and rotates and the pressure on top surface of the second spring 226 is overcome to make the slide 203 of the left and right sides towards phase
Reverse phase is counter to be slided and makes the dovetails 223 of the left and right sides towards opposite sliding, i.e., the drill bit 205 of the adjustable left and right sides it
Between distance, that is, have adjusted the punching distance of road lamp cap.
The beneficial effects of the present invention are: road lamp cap is set and closes chamber in dress when needing to road lamp cap preparation work
Interior, then starting third drive row machine rotates drill bit, meanwhile, starting first drives row machine and drives the first screw rod and third
Screw rod rotation, the first screw rod drives main base frame decline that drill bit is made to carry out drillman's work to road lamp cap, under main base frame
While drop, third screw rod drives anti-bits to cover rising, and the clast for avoiding drilling from generating splashes, when the needs adjustment left and right sides
When the distance between drill bit, starting second drives row machine and drives transmission block decline, to generate rotation between the armed lever of the left and right sides
And the pressure on top surface of the second spring is overcome to make the slide of the left and right sides towards the dovetails court for sliding and making the left and right sides on the contrary
Opposite sliding, i.e., the distance between the drill bit of the adjustable left and right sides, that is, the punching distance for having adjusted road lamp cap, from
And when being prepared to road lamp cap, the splashing of clast is effectively prevented, it is easy to use convenient for being focused on to clast, have
Effect, which is reduced, generates injury to human body, and easy to adjust to the distance between the drill bit of the left and right sides, without manually to street lamp
Dismounting is repeated in lamp cap, effectively improves to road lamp cap preparation efficiency, and passes through the setting of the first spring, so that in the seat of honour
With certain cushion effect when body progress boring work, increases stability in use, be worth of widely use.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design
To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention
It is subject to claims appended hereto.
Claims (5)
1. a kind of Novel street lamp holder equipment, including pedestal and the support being fixedly mounted on the pedestal, it is characterised in that:
The first transmission cavity is equipped in the support, bilateral symmetry, which is rotatably assorted, in the transmission cavity is equipped with the first screw rod, left side
The first screw rod top end power is fitted with the first drive row machine, and the first drive row machine is fixedly arranged on the support top
End surface, the first spiral rod outer surface are installed with transmission wheel, are driven and are coupled between the transmission wheel of the left and right sides
There is conveyer belt, the support outer is stretched out in first screw rod bottom extended segment and extension is threadedly engaged and is equipped with roll adjustment
Frame is equipped with main base frame on the roll adjustment frame, and left and right is slidably matched through retraction slot, the roll adjustment frame is equipped in the main base frame
It is mounted in the retraction slot, bilateral symmetry is equipped with shrinkage pool, the shrinkage pool bottom wall and the roll adjustment in the retraction slot inner bottom wall
Press is fitted with the first spring between frame bottom end face, is equipped with the second transmission cavity in the main base frame inner wall, and described the
Being slidably installed in two transmission cavities has transmission block, and bilateral symmetry is equipped with SWALLOW TAIL CAVITY, the swallow in the transmission block bottom end face
Intracavitary be slidably installed of tail has dovetails, and the dovetails bottom end is hingedly equipped with armed lever, the armed lever phase of the left and right sides
Mutually hinged, bilateral symmetry is equipped with first sliding groove in the second transmission cavity inner bottom wall, is slidably installed in the first sliding groove
There is gliding mass, the gliding mass top end surface is installed with flange, and the flange top and the armed lever are articulated and connected, the first sliding groove
Press is fitted with the second spring, the transmission between the SWALLOW TAIL CAVITY of the left and right sides between lateral wall and the flange
Block screw-internal thread fit is equipped with the second screw rod, second screw rod bottom extending end and the second transmission cavity inner bottom wall
Be rotatably assorted connection, and extending end power is fitted with the second drive row machine at the top of second screw rod, and described second drives row
Machine is fixedly arranged in the second transmission cavity inner roof wall, and left and right, which extends, in the first sliding groove inner bottom wall is equipped with second sliding slot, described
Bilateral symmetry, which is slidably installed, in second sliding slot slide, and the slide top end face is fixedly connected with the flange, described
Bilateral symmetry is equipped with the third sliding slot through the main base frame bottom end face, the slide bottom end face in second sliding slot inner bottom wall
It being inside installed with third and drives row machine, the output shaft that the third drives row machine bottom end is slidably installed in the third sliding slot, and
The output shaft bottom end is installed with connector, and the connector bottom end is removably equipped with drill bit, and the holder top is also set
There is lighting device.
2. a kind of Novel street lamp holder equipment according to claim 1, it is characterised in that: left in the retraction slot inner roof wall
The right side is symmetrically arranged with delivery chamber, and intracavitary be slidably installed of the delivery has the first delivery bar, the first delivery bar bottom end
It is fixedly connected with roll adjustment top of the trellis end face.
3. a kind of Novel street lamp holder equipment according to claim 1, it is characterised in that: the first screw rod bottom end
Face is installed with limited block, and the limited block bottom end face is installed with third screw rod, the third screw rod bottom end rotation
It is fitted in the pedestal top end surface, is installed with dress on the pedestal between the third screw rod of the left and right sides
Frame is closed, the dress, which closes, is equipped with dress conjunction chamber in top of the trellis end face, the dress closes frame periphery sliding sleeve and covers equipped with anti-bits, the anti-bits set
It is threadedly engaged and connect with the third screw rod, and anti-bits set is slidably installed the second delivery bar, described second is sliding
Lever bottom end is fixed with the pedestal top end surface.
4. a kind of Novel street lamp holder equipment according to claim 1, it is characterised in that: the third screw rod with it is described
First screw rod screw thread is reversed.
5. a kind of Novel street lamp holder equipment according to claim 1, it is characterised in that: the lighting device includes fixing
It is mounted on the lamp stand of the holder top end face, the lamp stand top end is fixedly installed with illuminating lamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904824.XA CN108971547A (en) | 2018-08-09 | 2018-08-09 | A kind of Novel street lamp holder equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904824.XA CN108971547A (en) | 2018-08-09 | 2018-08-09 | A kind of Novel street lamp holder equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108971547A true CN108971547A (en) | 2018-12-11 |
Family
ID=64555954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810904824.XA Withdrawn CN108971547A (en) | 2018-08-09 | 2018-08-09 | A kind of Novel street lamp holder equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108971547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644695A (en) * | 2019-09-29 | 2020-01-03 | 林瑞婕 | Roof color steel tile laying device and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728229A (en) * | 1985-12-05 | 1988-03-01 | Super Tool And Mfg. Corporation | Positioning mechanism for a multiple head drilling assembly |
| ITMI921041A1 (en) * | 1992-04-30 | 1993-10-30 | Busellato S P A | MULTIPLE BORING MACHINE FOR THE PROCESSING OF PIECES IN A GUIDE OF PANEL |
| CN103962602A (en) * | 2014-04-30 | 2014-08-06 | 菏泽市牡丹区金博利达精密机械有限公司 | Numerical-control multi-spindle gantry drilling and milling machine tool |
| CN105195782A (en) * | 2015-09-10 | 2015-12-30 | 芜湖精钻机电技术有限公司 | Steel tube drilling device provided with multiple drill heads |
| CN105562756A (en) * | 2016-02-29 | 2016-05-11 | 芜湖瑞和机电有限公司 | Multifunctional continuous workpiece drilling device |
| CN107738108A (en) * | 2017-10-27 | 2018-02-27 | 郑艳峰 | A kind of auto parts and components processing unit (plant) |
-
2018
- 2018-08-09 CN CN201810904824.XA patent/CN108971547A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728229A (en) * | 1985-12-05 | 1988-03-01 | Super Tool And Mfg. Corporation | Positioning mechanism for a multiple head drilling assembly |
| ITMI921041A1 (en) * | 1992-04-30 | 1993-10-30 | Busellato S P A | MULTIPLE BORING MACHINE FOR THE PROCESSING OF PIECES IN A GUIDE OF PANEL |
| CN103962602A (en) * | 2014-04-30 | 2014-08-06 | 菏泽市牡丹区金博利达精密机械有限公司 | Numerical-control multi-spindle gantry drilling and milling machine tool |
| CN105195782A (en) * | 2015-09-10 | 2015-12-30 | 芜湖精钻机电技术有限公司 | Steel tube drilling device provided with multiple drill heads |
| CN105562756A (en) * | 2016-02-29 | 2016-05-11 | 芜湖瑞和机电有限公司 | Multifunctional continuous workpiece drilling device |
| CN107738108A (en) * | 2017-10-27 | 2018-02-27 | 郑艳峰 | A kind of auto parts and components processing unit (plant) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644695A (en) * | 2019-09-29 | 2020-01-03 | 林瑞婕 | Roof color steel tile laying device and using method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20181211 |