CN110524305A - A kind of numerically-controlled machine tool waste material transportation device - Google Patents
A kind of numerically-controlled machine tool waste material transportation device Download PDFInfo
- Publication number
- CN110524305A CN110524305A CN201910890751.8A CN201910890751A CN110524305A CN 110524305 A CN110524305 A CN 110524305A CN 201910890751 A CN201910890751 A CN 201910890751A CN 110524305 A CN110524305 A CN 110524305A
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- China
- Prior art keywords
- waste material
- fixedly connected
- hydraulic cylinder
- waste disposal
- disposal case
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of numerically-controlled machine tool waste material transportation devices, it includes pedestal, pedestal lower end is equipped with traveling wheel, pedestal upper end is connected with support plate A by supporting leg, waste disposal case and support plate B, support plate A and support plate B is connected to the left and right ends lower part of waste disposal case, the upper end of support plate A and support plate B are separately installed with hydraulic cylinder A and hydraulic cylinder B, the free end of the piston rod of hydraulic cylinder A and hydraulic cylinder B is connected separately with pressing plate and limit plate, the right side upper inside wall of waste disposal case is connected with buffer spring, the other end of buffer spring is connected with buffer board, feed hopper is connected on the left of waste disposal case upper end, upper end of hopper is connected with cover board by pin shaft, waste disposal case lower end right part is connected with discharge bucket, scrap collecting tank is provided with below discharge bucket；The present invention has the advantages that compression effectiveness is good, compressed waste material is discharged in time, compression and conevying efficiency are high, stability is strong, good dustproof effect, meets production requirement.
Description
Technical field
The present invention relates to numerical control machine tool technique field more particularly to a kind of numerically-controlled machine tool waste material transportation devices.
Background technique
Numerically-controlled machine tool can generate a large amount of waste material clast during machining, in order to not influence adding for numerically-controlled machine tool
Work efficiency rate needs in time to clear up waste material clast and collect transport and goes out, and the volume of waste material clast is big, needs to frequently replace
Collecting box reduces and collects conevying efficiency, needs to compress waste material clast to reduce volume, existing waste material transportation device
Volume is big, compression effectiveness is poor, cannot in time by after compression processing waste material discharge, reduce compression and conevying efficiency, stability it is poor,
Service life is short, dust raising phenomenon easily occurs in compression process, is not able to satisfy production requirement, and therefore, urgent need designs a kind of body
Product is small, easy to operate, compression effectiveness is good, compressed waste material is discharged in time, compression and conevying efficiency are high, stability is strong, use
Service life length, good dustproof effect, the numerically-controlled machine tool waste material transportation device that can satisfy production requirement.
Summary of the invention
The purpose of the invention is to overcome the deficiencies in the prior art, and provide a kind of small in size, easy to operate, compression effect
Fruit is good, compressed waste material is discharged in time, compression and conevying efficiency are high, stability is strong, long service life, good dustproof effect, energy
Enough meet the numerically-controlled machine tool waste material transportation device of production requirement.
The object of the present invention is achieved like this: a kind of numerically-controlled machine tool waste material transportation device, it includes pedestal, described
Pedestal lower end is equipped with traveling wheel, is fixedly connected with push rod on the left of the pedestal upper end, the pedestal upper end passes through supporting leg
Support plate A, waste disposal case and support plate B, the support plate A and support plate B is fixedly connected with to be respectively fixedly connected with useless
The upper end of the left and right ends lower part of material treatment box, the support plate A and support plate B are fixedly installed with hydraulic cylinder A and liquid respectively
The free end of the piston rod of cylinder pressure B, the hydraulic cylinder A and hydraulic cylinder B extends through waste disposal case left and right sidewall and protrudes into
Into waste disposal case, the free end of the piston rod of the hydraulic cylinder A and hydraulic cylinder B has been respectively fixedly connected with pressing plate and limit
Plate, the inner left wall upper end of the waste disposal case are fixedly connected with stock guide, and the stock guide is located at the top of pressing plate,
The right side upper inside wall of the waste disposal case is fixedly connected with buffer spring, and the other end of the buffer spring is fixed to be connected
It is connected to buffer board, the buffer board is located at the right side of limit plate, and the buffer board is located at the upper of the piston rod of hydraulic cylinder B
Side, the waste disposal case front end are equipped with observation window, are fixedly connected with feed hopper on the left of the waste disposal case upper end,
The upper end of hopper is connected with cover board by pin shaft, and the cover board upper center is fixedly connected with pull ring, and described is useless
Material treatment box lower end right part is fixedly connected with discharge bucket, is provided with scrap collecting tank, the waste material below the discharge bucket
Collecting box is located on the right side of pedestal upper end, is fixedly connected with clump weight on the left of the pedestal upper end.
The quantity of the buffer spring is 3-6, and buffer spring is uniformly connected to the right end of buffer board.
The buffer board left end is fixedly connected with rubber buffer.
The pressing plate right end and limit plate left end is fixedly connected to rubber wear-resisting pad.
The traveling wheel is universal wheel, is equipped with self-locking mechanism on traveling wheel.
The stock guide is the setting of right low left high tilting.
Anti-slip cover is socketed with outside the push rod left hand external and pull ring.
The waste disposal case lower end is provided with anti-skid chequer.
It is that the present invention generates the utility model has the advantages that the invention discloses a kind of numerically-controlled machine tool waste material transportation device, push push rod
The device is moved to numerically-controlled machine tool waste material pending district, pedestal lower end is equipped with traveling wheel, traveling wheel universal wheel, on traveling wheel
Self-locking mechanism is installed, is moved easily, during compression processing, the self-locking mechanism on traveling wheel is opened, prevents from handling
Traveling wheel slides during waste material, and is fixedly connected with clump weight on the left of pedestal upper end, and stability is strong；Open hydraulic cylinder
The right end that the piston rod elongation drive limit plate of B, hydraulic cylinder B are moved to the left limit plate is located at the left side of discharge bucket, then closes
Hydraulic cylinder B is closed, prevents waste material clast to be uncompressed and is just directly discharged from discharge bucket, by pulling pull ring to raise cover board, passed through
Waste material clast is added into waste disposal case for feed hopper, and waste material clast is fallen through stock guide to waste disposal case right side, and waste material is broken
Bits put down cover board after being added, and prevent having dust raising phenomenon appearance, leakproofness is strong, dust-proof during compressing waste material clast
Effect is good, then opens hydraulic cylinder A, and the piston rod elongated dynamic pressure plate of hydraulic cylinder A moves right, pressing plate push waste material clast to
It moves right, waste material clast is compressed between pressing plate and limit plate to reduce the volume of waste material clast, after the completion of compression, opens liquid
The piston rod of cylinder pressure B, hydraulic cylinder B, which are shunk, drives limit plate to move right, and limit plate right end buffers after contacting with buffer board left end
Spring starts to compress, spring-compressed to be buffered to utmostly when, limit plate left end is located on the right side of discharge bucket, at this point, hydraulic cylinder A
Piston rod continue elongated dynamic pressure plate continue to move right, the waste material after compression processing is pushed into discharge bucket and unloaded by pressing plate
Material, waste material drop into scrap collecting tank through discharge bucket, and compressed waste material is discharged in time, improve compression and collection efficiency, give up
After material discharge, the piston rod of hydraulic cylinder A is shunk, the elongation of the piston rod of hydraulic cylinder B makes pressing plate and limit sheet reset, repeats above-mentioned step
Suddenly waste material is constantly compressed and is collected, compression is collected and conevying efficiency is high, meets processing request；The front end of waste disposal case
Observation window is installed, charging, compression and the discharging process of observation waste material clast are facilitated；The setting of buffer spring and buffer board is played
The effect of buffer limit, and the left end of buffer board is fixedly connected with rubber buffer, prevents limit plate from directly hitting buffer board, delays
It is good to rush effect, stability is strong；Pressing plate right end and limit plate left end are fixedly connected to rubber wear-resisting pad, prevent the process in compression
Middle pressing plate right end directly contacts with waste material clast with limit plate left end and wears pressing plate and limit plate, prolongs its service life；It pushes away
Anti-slip cover is socketed with outside bar left hand external and pull ring, waste disposal case lower end is provided with anti-skid chequer, and good antiskid effect is stablized
Property is strong；Total, the present invention is with small in size, easy to operate, compression effectiveness is good, compressed waste material, compression and fortune are discharged in time
Defeated high-efficient, stability is strong, long service life, good dustproof effect, can satisfy the advantages of production requirement.
Detailed description of the invention
Fig. 1 is a kind of main view of numerically-controlled machine tool waste material transportation device of the present invention.
Schematic diagram of internal structure when Fig. 2 is a kind of numerically-controlled machine tool waste material transportation device charging of the invention.
Schematic diagram of internal structure when Fig. 3 is a kind of numerically-controlled machine tool waste material transportation device binder of the invention.
Schematic diagram of internal structure when Fig. 4 is a kind of numerically-controlled machine tool waste material transportation device discharging of the invention.
In figure: 1, discharge bucket 2, pedestal 3, clump weight 4, traveling wheel 5, supporting leg 6, support plate A 7, push rod 8, hydraulic
Cylinder A 9, feed hopper 10, cover board 11, pull ring 12, pin shaft 13, observation window 14, waste disposal case 15, hydraulic cylinder B 16, branch
Fagging B 17, scrap collecting tank 18, pressing plate 19, stock guide 20, buffer board 21, buffer spring 22, limit plate.
Specific embodiment
Embodiment 1
As shown in Figs 1-4, a kind of numerically-controlled machine tool waste material transportation device, it includes pedestal 2, and 2 lower end of pedestal is equipped with
Traveling wheel 4,2 upper end of the pedestal left side are fixedly connected with push rod 7, and 2 upper end of pedestal is fixedly connected with by supporting leg 5
Support plate A6, waste disposal case 14 and support plate B16, the support plate A6 and support plate B16 are respectively fixedly connected in waste material
The upper end of the left and right ends lower part for the treatment of box 14, the support plate A6 and support plate B16 are fixedly installed with hydraulic cylinder A8 respectively
Waste disposal case 14 or so is extended through with the free end of the piston rod of hydraulic cylinder B15, the hydraulic cylinder A8 and hydraulic cylinder B15
Side wall is simultaneously extend into waste disposal case 14, and the free end of the piston rod of the hydraulic cylinder A8 and hydraulic cylinder B15 is fixed respectively
It is connected with pressing plate 18 and limit plate 22, the inner left wall upper end of the waste disposal case 14 is fixedly connected with stock guide 19, institute
The stock guide 19 stated is located at the top of pressing plate 18, and the right side upper inside wall of the waste disposal case 14 is fixedly connected with buffering elastic
Spring 21, the other end of the buffer spring 21 are fixedly connected with buffer board 20, and the buffer board 20 is located at limit plate 22
Right side, the buffer board 20 are located at the top of the piston rod of hydraulic cylinder B15, and 14 front end of waste disposal case is equipped with sight
Window 13 is examined, is fixedly connected with feed hopper 9 on the left of 14 upper end of waste disposal case, 9 upper end of feed hopper passes through pin shaft
12 are connected with cover board 10, and 10 upper center of cover board is fixedly connected with pull ring 11, and 14 lower end of waste disposal case is right
Portion is fixedly connected with discharge bucket 1, and scrap collecting tank 17, the scrap collecting tank 17 are provided with below the discharge bucket 1
On the right side of 2 upper end of pedestal, clump weight 3 is fixedly connected on the left of 2 upper end of pedestal.
The invention discloses a kind of numerically-controlled machine tool waste material transportation devices, push push rod that the device is moved to numerically-controlled machine tool
Waste material pending district, pedestal lower end is equipped with traveling wheel, is moved easily, and during compression processing, opens on traveling wheel
Self-locking mechanism prevents traveling wheel during handling waste material from sliding, and is fixedly connected with clump weight on the left of pedestal upper end,
Stability is strong；Hydraulic cylinder B is opened, the right end that the piston rod elongation of hydraulic cylinder B drives limit plate to be moved to the left limit plate is located at
The left side of discharge bucket is then shut off hydraulic cylinder B, prevents waste material clast to be uncompressed and is just directly discharged from discharge bucket, passes through pulling
Pull ring raises cover board, is added waste material clast into waste disposal case by feed hopper, and waste material clast is through stock guide at waste material
It is fallen on the right side of reason case, waste material clast puts down cover board after being added, and prevents having dust raising phenomenon during compressing waste material clast
Occurring, leakproofness is strong, good dustproof effect, then opens hydraulic cylinder A, and the piston rod elongated dynamic pressure plate of hydraulic cylinder A moves right,
Pressing plate pushes waste material clast to move right, and waste material clast is compressed between pressing plate and limit plate to reduce the body of waste material clast
Product after the completion of compression, opens hydraulic cylinder B, and the piston rod of hydraulic cylinder B, which is shunk, drives limit plate to move right, limit plate right end with
Buffer board left end contact after buffer spring start to compress, spring-compressed to be buffered to utmostly when, limit plate left end be located at
On the right side of hopper, continue to move right at this point, the piston rod of hydraulic cylinder A continues elongated dynamic pressure plate, pressing plate will be after compression processing
Waste material is pushed into discharge bucket and carries out discharging, and waste material drops into scrap collecting tank through discharge bucket, compressed waste material is discharged in time, mentions
High compression and collection efficiency, after waste material discharge, the piston rod of hydraulic cylinder A is shunk, the elongation of the piston rod of hydraulic cylinder B makes pressing plate and limit
Position sheet reset, repeats the above steps and is constantly compressed and collected waste material, and compression is collected and conevying efficiency is high, meets processing and wants
It asks, the front end of waste disposal case is equipped with observation window, facilitates charging, compression and the discharging process of observation waste material clast.
Embodiment 2
As shown in Figs 1-4, a kind of numerically-controlled machine tool waste material transportation device, it includes pedestal 2, and 2 lower end of pedestal is equipped with
Traveling wheel 4,2 upper end of the pedestal left side are fixedly connected with push rod 7, and 2 upper end of pedestal is fixedly connected with by supporting leg 5
Support plate A6, waste disposal case 14 and support plate B16, the support plate A6 and support plate B16 are respectively fixedly connected in waste material
The upper end of the left and right ends lower part for the treatment of box 14, the support plate A6 and support plate B16 are fixedly installed with hydraulic cylinder A8 respectively
Waste disposal case 14 or so is extended through with the free end of the piston rod of hydraulic cylinder B15, the hydraulic cylinder A8 and hydraulic cylinder B15
Side wall is simultaneously extend into waste disposal case 14, and the free end of the piston rod of the hydraulic cylinder A8 and hydraulic cylinder B15 is fixed respectively
It is connected with pressing plate 18 and limit plate 22, the inner left wall upper end of the waste disposal case 14 is fixedly connected with stock guide 19, institute
The stock guide 19 stated is located at the top of pressing plate 18, and the right side upper inside wall of the waste disposal case 14 is fixedly connected with buffering elastic
Spring 21, the other end of the buffer spring 21 are fixedly connected with buffer board 20, and the buffer board 20 is located at limit plate 22
Right side, the buffer board 20 are located at the top of the piston rod of hydraulic cylinder B15, and 14 front end of waste disposal case is equipped with sight
Window 13 is examined, is fixedly connected with feed hopper 9 on the left of 14 upper end of waste disposal case, 9 upper end of feed hopper passes through pin shaft
12 are connected with cover board 10, and 10 upper center of cover board is fixedly connected with pull ring 11, and 14 lower end of waste disposal case is right
Portion is fixedly connected with discharge bucket 1, and scrap collecting tank 17, the scrap collecting tank 17 are provided with below the discharge bucket 1
On the right side of 2 upper end of pedestal, it is fixedly connected with clump weight 3 on the left of 2 upper end of pedestal, the quantity of the buffer spring 21 is
3-6, buffer spring 21 is uniformly connected to the right end of buffer board 20, and 20 left end of buffer board is fixedly connected with rubber buffer
Pad, 18 right end of pressing plate and 22 left end of limit plate are fixedly connected to rubber wear-resisting pad, and the traveling wheel 4 is universal
It takes turns, self-locking mechanism is installed on traveling wheel 4, the stock guide 19 is the setting of right low left high tilting, 7 left side of push rod
It is socketed with Anti-slip cover outside external and pull ring 11,14 lower end of waste disposal case is provided with anti-skid chequer.
The invention discloses a kind of numerically-controlled machine tool waste material transportation devices, push push rod that the device is moved to numerically-controlled machine tool
Waste material pending district, pedestal lower end are equipped with traveling wheel, traveling wheel universal wheel, are equipped with self-locking mechanism on traveling wheel, facilitate shifting
It is dynamic, during compression processing, the self-locking mechanism on traveling wheel is opened, prevents traveling wheel during handling waste material from occurring
Sliding, and it is fixedly connected with clump weight on the left of pedestal upper end, stability is strong；Open hydraulic cylinder B, the piston rod elongation of hydraulic cylinder B
The right end that drive limit plate is moved to the left limit plate is located at the left side of discharge bucket, is then shut off hydraulic cylinder B, prevents waste material clast
It is uncompressed and is just directly discharged from discharge bucket, by pulling pull ring to raise cover board, added by feed hopper into waste disposal case
Enter waste material clast, waste material clast is fallen through stock guide to waste disposal case right side, and waste material clast puts down cover board after being added, and prevents
Only during compressing waste material clast, there is dust raising phenomenon appearance, leakproofness is strong, good dustproof effect, hydraulic cylinder A is then opened,
The piston rod elongated dynamic pressure plate of hydraulic cylinder A moves right, and pressing plate pushes waste material clast to move right, waste material clast in pressing plate and
The volume for being reduced waste material clast between limit plate by compressing after the completion of compression, opens hydraulic cylinder B, and the piston rod of hydraulic cylinder B is received
Contracting drives limit plate to move right, and buffer spring starts to compress after limit plate right end is contacted with buffer board left end, spring to be buffered
When being compressed to utmostly, limit plate left end is located on the right side of discharge bucket, at this point, the piston rod of hydraulic cylinder A continues elongated dynamic pressure
Plate continues to move right, and the waste material after compression processing is pushed into discharge bucket and carries out discharging by pressing plate, and waste material drops into useless through discharge bucket
Expect that compressed waste material is discharged in time in collecting box, improves compression and collection efficiency, after waste material discharge, the piston rod of hydraulic cylinder A
Contraction, the piston rod elongation of hydraulic cylinder B make pressing plate and limit sheet reset, and repeating the above steps, it is useless constantly to be compressed and collected
Material, compression is collected and conevying efficiency is high, meets processing request；The front end of waste disposal case is equipped with observation window, facilitates observation useless
Charging, compression and the discharging process of material debris；Buffer limit, and buffer board are played the role of in the setting of buffer spring and buffer board
Left end be fixedly connected with rubber buffer, prevent limit plate from directly hitting buffer board, good buffer effect, stability is strong；Pressing plate
Right end and limit plate left end are fixedly connected to rubber wear-resisting pad, prevent pressing plate right end and limit plate left end during compression
It is directly contacted with waste material clast and wears pressing plate and limit plate, prolonged its service life；Outside push rod left hand external and pull ring
It is socketed with Anti-slip cover, waste disposal case lower end is provided with anti-skid chequer, good antiskid effect, and stability is strong；Total, the present invention has body
Product is small, easy to operate, compression effectiveness is good, compressed waste material is discharged in time, compression and conevying efficiency are high, stability is strong, use
Service life length, can satisfy the advantages of production requirement at good dustproof effect.
Claims (8)
1. a kind of numerically-controlled machine tool waste material transportation device, it includes pedestal, it is characterised in that: the pedestal lower end is equipped with row
Wheel is walked, is fixedly connected with push rod on the left of the pedestal upper end, the pedestal upper end is fixedly connected with support plate by supporting leg
A, waste disposal case and support plate B, the support plate A and support plate B are respectively fixedly connected in the left and right of waste disposal case two
The upper end of end lower part, the support plate A and support plate B are fixedly installed with hydraulic cylinder A and hydraulic cylinder B respectively, and described is hydraulic
The free end of the piston rod of cylinder A and hydraulic cylinder B extends through waste disposal case left and right sidewall and extend into waste disposal case, institute
The free end of the piston rod of the hydraulic cylinder A and hydraulic cylinder B that state has been respectively fixedly connected with pressing plate and limit plate, the waste disposal
The inner left wall upper end of case is fixedly connected with stock guide, and the stock guide is located at the top of pressing plate, the waste disposal case
Right side upper inside wall be fixedly connected with buffer spring, the other end of the buffer spring is fixedly connected with buffer board, described
Buffer board be located at the right side of limit plate, the buffer board is located at the top of the piston rod of hydraulic cylinder B, the waste disposal
Case front end is equipped with observation window, is fixedly connected with feed hopper, the upper end of hopper on the left of the waste disposal case upper end
It is connected with cover board by pin shaft, the cover board upper center is fixedly connected with pull ring, the waste disposal case lower end right part
It is fixedly connected with discharge bucket, is provided with scrap collecting tank below the discharge bucket, the scrap collecting tank is located on pedestal
End right side, the pedestal upper end left side are fixedly connected with clump weight.
2. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: the buffer spring
Quantity is 3-6, and buffer spring is uniformly connected to the right end of buffer board.
3. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: the buffer board left end
It is fixedly connected with rubber buffer.
4. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: the pressing plate right end and
Limit plate left end is fixedly connected to rubber wear-resisting pad.
5. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: the traveling wheel is ten thousand
To wheel, self-locking mechanism is installed on traveling wheel.
6. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: the stock guide is a left side
High right low dip formula setting.
7. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: outer on the left of the push rod
Anti-slip cover is socketed with outside portion and pull ring.
8. a kind of numerically-controlled machine tool waste material transportation device as described in claim 1, it is characterised in that: the waste disposal case
Lower end is provided with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890751.8A CN110524305A (en) | 2019-09-20 | 2019-09-20 | A kind of numerically-controlled machine tool waste material transportation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890751.8A CN110524305A (en) | 2019-09-20 | 2019-09-20 | A kind of numerically-controlled machine tool waste material transportation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110524305A true CN110524305A (en) | 2019-12-03 |
Family
ID=68669263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910890751.8A Withdrawn CN110524305A (en) | 2019-09-20 | 2019-09-20 | A kind of numerically-controlled machine tool waste material transportation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110524305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548713A (en) * | 2024-01-11 | 2024-02-13 | 江苏金三力机械制造有限公司 | Machining device for tunnel steel arch through small duct hole opening and working method thereof |
-
2019
- 2019-09-20 CN CN201910890751.8A patent/CN110524305A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548713A (en) * | 2024-01-11 | 2024-02-13 | 江苏金三力机械制造有限公司 | Machining device for tunnel steel arch through small duct hole opening and working method thereof |
| CN117548713B (en) * | 2024-01-11 | 2024-04-09 | 江苏金三力机械制造有限公司 | Machining device for tunnel steel arch through small duct hole opening and working method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191203 |