CN107116609A - A kind of shoes production perforating device - Google Patents
A kind of shoes production perforating device Download PDFInfo
- Publication number
- CN107116609A CN107116609A CN201710460860.7A CN201710460860A CN107116609A CN 107116609 A CN107116609 A CN 107116609A CN 201710460860 A CN201710460860 A CN 201710460860A CN 107116609 A CN107116609 A CN 107116609A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- casing
- perforating device
- shoes production
- fixed mount
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/14—Crank and pin means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a kind of shoes production perforating device, including casing, top outside the casing is fixedly connected with frame fixed mount, the first motor is fixedly connected with the right side of frame fixed mount, one end of first motor output shaft is rotatably connected to flywheel by the first belt, flywheel is fixedly connected with bent axle close to frame fixed mount side by clutch, connecting rod is rotatably connected in the middle part of bent axle, the one end of connecting rod away from bent axle is rotatably connected to sliding block by bearing pin, the bottom of the sliding block is fixedly connected with perforating device, the bottom of perforating device is fixedly connected with perforating cutting tool, perforating device bottom is fixedly connected with compression strut, the bottom of compression set is fixedly connected with pressing plate, pressing plate opens up first through hole, the present invention relates to a kind of shoes production field, the shoes production perforating device, by bent axle rotation by connecting rod be sliding block realize up and down motion, solve perforating efficiency low, hole position apart from it is inconsistent the problems such as, improve production efficiency.
Description
Technical field
The present invention relates to a kind of shoes production field, specially a kind of shoes production perforating device.
Background technology
Shoemaking machinery is the strong backing of Chinese shoemaking industry development, has benefited from carrying for Chinese shoemaking products quality consciousness
Rise, also when the river rises the boat goes up for shoemaking machinery industry, achieves great progress.China's shoemaking machinery covers each of shoe-making process substantially
Individual link, design, the manufacturing capacity of Some Enterprises have reached the leading level in the world;But some equipment still have defect, than
Such as vamp puncher, puncher is the visual plant in footwear production, and existing puncher common problem is that one is punched
Machine can only process a hole every time, and perforating efficiency is low, and distance between borehole is uneven, and most of utilize is positioned manually, this serious shadow
The production efficiency of Xiang Liao enterprises, therefore traditional vamp puncher needs improvement.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of shoes production perforating device, perforating efficiency is solved
It is low, hole position apart from it is inconsistent the problems such as, improve production efficiency.
To realize object above, the present invention is achieved by the following technical programs:A kind of shoes production perforating device,
Including casing, the top outside the casing is fixedly connected with the right side of frame fixed mount, the frame fixed mount and is fixedly connected
There is the first motor, one end of first motor output shaft is fixedly connected with the first belt pulley, the surface of first belt pulley
Flywheel is rotatably connected to by the first belt, the flywheel is fixedly connected with song close to frame fixed mount side by clutch
Axle, the bent axle is fixedly connected with the middle part of brake, the bent axle away from clutch side and is rotatably connected to connecting rod, the connecting rod
One end away from bent axle is rotatably connected to sliding block by bearing pin, and the sliding block left and right ends are provided with boss, and the frame is fixed
Position corresponding to the boss of frame inwall both sides is fixedly connected with slide rail, and boss is slidably connected with slide rail, the bottom of the sliding block
Perforating device is fixedly connected with, the bottom left of the cabinet wall is fixedly connected with the second motor, the bottom of the cabinet wall
One end close to inner left wall is fixedly connected with speed changer, and one end of second motor output shaft is fixedly connected by shaft coupling
There is the input shaft of speed changer, the output shaft of the speed changer is fixedly connected with the second belt pulley, the surface of second belt pulley
The first central shaft being connected with by the second belt transmission at the first runner, and the first runner axle center is fixedly connected on casing,
The both sides of first wheel surface are connected with the second center at the second runner, and the second runner axle center by conveyer belt
Axle is fixedly connected on casing, and the cabinet wall is fixed with supporting plate, the top of the supporting plate between the both sides of bottom
Portion, which is fixedly connected with the top of collecting box, the collecting box, opens up third through-hole, and the crown center position of the casing, which is fixed, to be connected
Workbench is connected to, the both sides of the frame fixed mount bottom are fixedly connected with trundle.
It is preferred that, the bottom of the perforating device is fixedly connected with perforating cutting tool, and the perforating device bottom is fixedly connected
There is compression strut, the bottom of the compression set is fixedly connected with pressing plate, and described pressing plate opens up first through hole.
It is preferred that, bottom plate is fixedly connected with the middle part of described workbench, the bottom plate opens up the second through hole.
It is preferred that, the bottom half is fixedly connected with adjustable support pin, the front of the casing and positioned at collecting box
Correspondence position is hinged with chamber door.
It is preferred that, the front of described casing and it is fixedly connected with start stop apparatus on the left of chamber door.
It is preferred that, the position of the pressing plate and bottom hole is corresponding with the position of perforating cutting tool.
It is preferred that, the second described motor connection has the time relay, can intermittent running.
It is preferred that, described conveyer belt is two, respectively positioned at the both sides of runner.
The invention provides a kind of shoes production perforating device, possesses following beneficial effect:
(1), the shoes production perforating device, frame fixed mount is fixedly connected with by the top outside casing, described
The first motor is fixedly connected with the right side of frame fixed mount, one end of first motor output shaft is fixedly connected with the first belt
Wheel, the surface of first belt pulley is rotatably connected to flywheel by the first belt, and the flywheel is close to frame fixed mount side
Bent axle is fixedly connected with by clutch, clutch can realize that interval transmits dynamic power Give bent axles, and the bent axle is away from clutch one
Side is fixedly connected with brake, can be achieved to be rotatably connected to connecting rod in the middle part of brake hard, the bent axle, the connecting rod is away from bent axle
One end sliding block is rotatably connected to by bearing pin, the sliding block left and right ends are provided with boss, the frame fixed mount inwall two
Position corresponding to the boss of side is fixedly connected with slide rail, and boss is slidably connected with slide rail, it is ensured that the motion in motion process
Precision, the bottom of the sliding block is fixedly connected with perforating device, and the bottom of the perforating device is fixedly connected with perforating cutting tool, can be real
Now porous to get through simultaneously, the perforating device bottom is fixedly connected with compression strut, and the bottom of the compression set is fixedly connected
There is pressing plate, described pressing plate opens up first through hole, it is ensured that in punching be that vamp will not wrinkle, while the cutter in withdrawing can be prevented
Vamp has been dragged.
(2), the shoes production perforating device, the second motor, institute are fixedly connected with by the bottom left of cabinet wall
The bottom for stating cabinet wall is fixedly connected with speed changer close to one end of inner left wall, and one end of second motor output shaft leads to
The input shaft that shaft coupling is fixedly connected with speed changer is crossed, the output shaft of the speed changer is fixedly connected with the second belt pulley, described
The first central shaft that the surface of second belt pulley is connected with the first runner, and the first runner axle center by the second belt transmission is consolidated
Surely it is connected on casing, the both sides of first wheel surface are connected with the second runner, and the second runner by conveyer belt
The second central shaft at axle center is fixedly connected on casing, and the mechanism can realize auto-feed, improves production efficiency, the casing
Inwall, which is fixed between the both sides of bottom at the top of supporting plate, the supporting plate, is fixedly connected with collecting box, the collection
Third through-hole is opened up at the top of case, defective material is collected, the crown center position of the casing is fixedly connected with workbench, described
Bottom plate is fixedly connected with the middle part of workbench, the bottom plate opens up the second through hole, vamp offer can be provided when perforating device works
Holding power, it is ensured that drilling quality, the both sides of the frame fixed mount bottom are fixedly connected with trundle, increase vamp and conveyer belt
Between frictional force, it is ensured that kinematic accuracy.
Brief description of the drawings
Fig. 1 is the overall structural representation of the present invention;
Fig. 2 is the sectional view of structure of the present invention;
Fig. 3 is the sectional view of structure casing of the present invention;
Fig. 4 is the left view of structure of the present invention;
Fig. 5 is the detail view of structure of the present invention;
Fig. 6 is the detail view of structure of the present invention.
In figure:1- casings, 2- frames fixed mount, the motors of 3- first, the belts of 4- first, 5- flywheels, 6- bent axles, 7- clutches
Device, 8- brakes, 9- connecting rods, 10- bearing pins, 11- sliding blocks, 12- boss, 13- slide rails, 14- perforating devices, 15- perforating cutting tools,
16- compression sets, 17- pressing plates, 18- first through hole, 19- workbench, 20- supporting plates, 21- collecting boxs, 22- third through-holes, 23-
Second motor, 24- speed changers, 25- shaft couplings, 26- output shafts, the belt pulleys of 27- second, the belts of 28- second, the centers of 29- first
Axle, the runners of 30- first, 31- conveyer belts, the runners of 32- second, the central shafts of 33- second, 34- trundles, 35- chamber doors, 36- start and stop
Device, 37- adjustable supports pin, 38- bottom plates, 39- input shafts, the belt pulleys of 40- first, the through holes of 41- second.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
Fig. 1-6 are referred to, the present invention provides a kind of technical scheme:A kind of shoes production perforating device, including casing 1,
Top outside casing 1 is fixedly connected with frame fixed mount 2, and the right side of frame fixed mount 2 is fixedly connected with the first motor 3, the
One end of the output shaft of one motor 3 is fixedly connected with the first belt pulley 40, and the surface of the first belt pulley 40 is rotated by the first belt 4
Flywheel 5 is connected with, flywheel 5 is fixedly connected with bent axle 6 close to the side of frame fixed mount 2 by clutch 7, and bent axle 6 is away from clutch
The side of device 7 is fixedly connected with brake 8, and the middle part of bent axle 6 is rotatably connected to connecting rod 9, and the one end of connecting rod 9 away from bent axle 6 passes through pin
Axle 10 is rotatably connected to sliding block 11, and the left and right ends of sliding block 11 are provided with boss 12, the inwall both sides boss 12 of frame fixed mount 2 pair
The position answered is fixedly connected with slide rail 13, and boss 12 is slidably connected with slide rail 13, it is ensured that kinematic accuracy, the bottom of sliding block 11
Be fixedly connected with perforating device 14, the bottom of perforating device 14 is fixedly connected with perforating cutting tool 15, can be achieved it is porous get through simultaneously, beat
The bottom of aperture apparatus 14 is fixedly connected with compression strut 16, and the bottom of compression set 16 is fixedly connected with pressing plate 17, and pressing plate 17 is opened up
First through hole 18, it is ensured that in punching be that vamp will not wrinkle, while can prevent that cutter has dragged vamp in withdrawing, in casing 1
The bottom left of wall is fixedly connected with the second motor 23, and the bottom of the inwall of casing 1 is fixedly connected with close to one end of inner left wall
Speed changer 24, one end of the output shaft of the second motor 23 is fixedly connected with the input shaft 39 of speed changer 24, speed change by shaft coupling 25
The output shaft 26 of device 24 is fixedly connected with the second belt pulley 27, and the surface of the second belt pulley 27 is connected by the second belt 28
There is the first central shaft 29 at the first runner 30, and the axle center of the first runner 30 to be fixedly connected on casing 1, the surface of the first runner 30
Both sides be connected with the second central shaft 33 at the second runner 32, and the axle center of the second runner 32 by conveyer belt 31 and fix and connect
It is connected on casing 1, conveyer belt 31 is two, respectively positioned at the both sides of runner, auto-feed can be achieved, does not influence perforating device to transport
It is dynamic, production efficiency is improved, the inwall of casing 1 is fixed with supporting plate 20 between the both sides of bottom, and the top of supporting plate 20 is fixed
Collecting box 21 is connected with, the top of collecting box 21 opens up third through-hole 22, for collecting defective material, the crown center position of casing 1
Be fixedly connected with workbench 19, the both sides of the bottom of frame fixed mount 2 are fixedly connected with trundle 34, increase vamp and conveyer belt it
Between frictional force, it is ensured that kinematic accuracy, the bottom of casing 1 is fixedly connected with adjustable support pin 37, the front of casing 1 and positioned at receiving
The correspondence position of header 21 is hinged with chamber door 35, and positive and positioned at chamber door 35 the left side of casing 1 is fixedly connected with start stop apparatus 36.
In use, this device is moved to the end of a upper production line, and startup start stop apparatus 36, machine run, this
When vamp is placed on conveyer belt 31, vamp can reach bottom plate position by trundle 34, and now clutch 7 works, bent axle 6
Rotate, the drivening rod 9 of sliding block 11 is realized and moved downward, during contact vamp, pressing plate 17 rests on vamp, and compression set 16 compresses,
Perforating cutting tool 15 is worked, and bent axle 6 is moved upwards by connecting rod 9 with movable slider 11 afterwards, and perforating cutting tool 15 leaves vamp, pressing plate 17
Leave vamp, into next circulation, can realize simultaneously it is porous get through, vamp auto-feed reduces labor intensity, improve production
Efficiency.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of shoes production perforating device, including casing (1), it is characterised in that:The outside top of the casing (1) is fixed
It is connected with the right side of frame fixed mount (2), the frame fixed mount (2) and is fixedly connected with the first motor (3), first motor
(3) one end of output shaft is fixedly connected with the first belt pulley (40), and the surface of first belt pulley (40) passes through the first belt
(4) flywheel (5) is rotatably connected to, the flywheel (5) is fixedly connected with close to frame fixed mount (2) side by clutch (7)
Bent axle (6), the bent axle (6) is fixedly connected with the company of rotation in the middle part of brake (8), the bent axle (6) away from clutch (7) side
Connecting rod (9) is connected to, the one end of the connecting rod (9) away from bent axle (6) is rotatably connected to sliding block (11), the cunning by bearing pin (10)
Block (11) left and right ends are provided with boss (12), and the position corresponding to frame fixed mount (2) the inwall both sides boss (12) is consolidated
Surely slide rail (13) is connected with, and boss (12) is slidably connected with slide rail (13), the bottom of the sliding block (11) is fixedly connected with punching
Device (14), the bottom left of casing (1) inwall is fixedly connected with the second motor (23), the bottom of casing (1) inwall
Portion is fixedly connected with speed changer (24) close to one end of inner left wall, and one end of the second motor (23) output shaft passes through shaft coupling
Device (25) is fixedly connected with the input shaft (39) of speed changer (24), and the output shaft (26) of the speed changer (24) is fixedly connected with
Two belt pulleys (27), the surface of second belt pulley (27) is connected with the first runner (30) by the second belt (28),
And first the first central shaft (29) at runner (30) axle center is fixedly connected on casing (1), the first runner (30) surface
Both sides the second central shaft at the second runner (32), and the second runner (32) axle center is connected with by conveyer belt (31)
(33) it is fixedly connected on casing (1), casing (1) inwall is fixed with supporting plate (20), institute between the both sides of bottom
State and collecting box (21) be fixedly connected with the top of supporting plate (20), third through-hole (22) is opened up at the top of the collecting box (21),
The crown center position of the casing (1) is fixedly connected with workbench (19), and the both sides of frame fixed mount (2) bottom are fixed
It is connected with trundle (34).
2. a kind of shoes production perforating device according to claim 1, it is characterised in that:The perforating device (14)
Bottom is fixedly connected with perforating cutting tool (15), and perforating device (14) bottom is fixedly connected with compression strut (16), the pressure
The bottom of compression apparatus (16) is fixedly connected with pressing plate (17), and described pressing plate (17) opens up first through hole (18).
3. a kind of shoes production perforating device according to claim 1, it is characterised in that:In the workbench (19)
Portion is fixedly connected with bottom plate (38), and the bottom plate (38) opens up the second through hole (41).
4. a kind of shoes production perforating device according to claim 1, it is characterised in that:Casing (1) bottom is solid
Surely it is connected with adjustable support pin (37), the front of the casing (1) and is hinged with chamber door positioned at collecting box (21) correspondence position
(35)。
5. a kind of shoes production perforating device according to claim 1, it is characterised in that:The front of the casing (1)
And it is fixedly connected with start stop apparatus (36) on the left of chamber door (35).
6. a kind of shoes production perforating device according to claim 1, it is characterised in that:The pressing plate (17) and bottom plate
(38) position of through hole is corresponding with the position of perforating cutting tool (15).
7. a kind of shoes production perforating device according to claim 1, it is characterised in that:Second motor (23) is even
The time relay is connected to, can intermittent running.
8. a kind of shoes production perforating device according to claim 1, it is characterised in that:The conveyer belt (31) is two
Bar, respectively positioned at the both sides of runner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710460860.7A CN107116609A (en) | 2017-06-18 | 2017-06-18 | A kind of shoes production perforating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710460860.7A CN107116609A (en) | 2017-06-18 | 2017-06-18 | A kind of shoes production perforating device |
Publications (1)
Publication Number | Publication Date |
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CN107116609A true CN107116609A (en) | 2017-09-01 |
Family
ID=59718406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710460860.7A Pending CN107116609A (en) | 2017-06-18 | 2017-06-18 | A kind of shoes production perforating device |
Country Status (1)
Country | Link |
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CN (1) | CN107116609A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107447062A (en) * | 2017-07-31 | 2017-12-08 | 合肥恩腾电子科技有限公司 | A kind of quick perforating device of waist-belt |
CN109366585A (en) * | 2018-12-24 | 2019-02-22 | 南京工程学院 | A kind of fixed device of architectural engineering |
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KR101404963B1 (en) * | 2013-09-17 | 2014-06-12 | 디에스글로벌 (주) | Punching apparatus using crank shaft |
CN204487679U (en) * | 2014-12-31 | 2015-07-22 | 北京金升德科技有限公司 | The special perforator of a kind of light-duty useless paper money |
CN204608041U (en) * | 2015-03-11 | 2015-09-02 | 河北天雅裘革制品有限公司 | A kind of array full-automatic spready hide leather perforating device |
CN204604446U (en) * | 2015-03-13 | 2015-09-02 | 重庆市远大印务有限公司 | A kind of quick perforating mechanism for paper |
CN105935717A (en) * | 2016-06-23 | 2016-09-14 | 无锡市国松环保机械有限公司 | Special puncher for aerospace materials |
CN205728408U (en) * | 2016-06-13 | 2016-11-30 | 慈溪市桥头双对鞋厂 | A kind of shoes punching production device |
CN106363957A (en) * | 2016-11-01 | 2017-02-01 | 重庆乔登彩印包装有限公司 | High-intensity processing machine for portable paper bags |
CN207155977U (en) * | 2017-06-18 | 2018-03-30 | 方嘉泉 | A kind of shoes production perforating device |
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2017
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101404963B1 (en) * | 2013-09-17 | 2014-06-12 | 디에스글로벌 (주) | Punching apparatus using crank shaft |
CN204487679U (en) * | 2014-12-31 | 2015-07-22 | 北京金升德科技有限公司 | The special perforator of a kind of light-duty useless paper money |
CN204608041U (en) * | 2015-03-11 | 2015-09-02 | 河北天雅裘革制品有限公司 | A kind of array full-automatic spready hide leather perforating device |
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CN205728408U (en) * | 2016-06-13 | 2016-11-30 | 慈溪市桥头双对鞋厂 | A kind of shoes punching production device |
CN105935717A (en) * | 2016-06-23 | 2016-09-14 | 无锡市国松环保机械有限公司 | Special puncher for aerospace materials |
CN106363957A (en) * | 2016-11-01 | 2017-02-01 | 重庆乔登彩印包装有限公司 | High-intensity processing machine for portable paper bags |
CN207155977U (en) * | 2017-06-18 | 2018-03-30 | 方嘉泉 | A kind of shoes production perforating device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107447062A (en) * | 2017-07-31 | 2017-12-08 | 合肥恩腾电子科技有限公司 | A kind of quick perforating device of waist-belt |
CN109366585A (en) * | 2018-12-24 | 2019-02-22 | 南京工程学院 | A kind of fixed device of architectural engineering |
CN109366585B (en) * | 2018-12-24 | 2024-01-05 | 南京工程学院 | Fixing device for building engineering |
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Application publication date: 20170901 |