CN111331306A - Frame-type welding auxiliary roll-over stand - Google Patents
Frame-type welding auxiliary roll-over stand Download PDFInfo
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- CN111331306A CN111331306A CN202010224517.4A CN202010224517A CN111331306A CN 111331306 A CN111331306 A CN 111331306A CN 202010224517 A CN202010224517 A CN 202010224517A CN 111331306 A CN111331306 A CN 111331306A
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- shaped
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- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a frame type welding auxiliary turnover frame which comprises a fixing mechanism, wherein the fixing mechanism comprises a base, screw grooves, T-shaped supporting seats, limiting screws and connecting grooves, the front end and the rear end of the top of the base are respectively provided with a plurality of screw grooves, and the two sides above the base are respectively provided with the T-shaped supporting seats, so that the frame type welding auxiliary turnover frame has the beneficial effects that: the distance between two oil drums to be welded can be conveniently adjusted through the arranged fixing mechanism, and the rotating mechanism, the auxiliary mechanism and the clamping mechanism are matched for use, so that the welding between the two oil drums can be conveniently clamped and limited, and the use limitation is small; the oil drum clamping device is convenient to clamp and limit oil drums with different sizes through the arranged clamping mechanism, avoids the problem that the oil drums cannot be clamped and welded due to too large or too small sizes, and has good practicability.
Description
The technical field is as follows:
the invention belongs to the technical field of engineering machinery, and particularly relates to a frame type welding auxiliary turning frame.
Background art:
some small-size oil drums are in need of welding, and direct manual pressing is spacing, and can weld, and some large-size oil drums need to carry out the centre gripping to the oil drum with the anchor clamps that use the specialty at the welded in-process to weld the place that needs the welding between two oil drums.
And in the prior art, the patent numbers are as follows: in the ' CN201420800000.5 ' engineering machinery oil tank welding roll-over stand ', when an oil drum is limited, the oil drum is limited through a horizontal positioning pin and a vertical positioning pin, and the device can only limit the oil drum with a fixed size, cannot adjust the size according to the length of the oil drum, and does not have good practicability; and the device can't splice two oil drums as required the back welding, and the use limitation is great.
The invention content is as follows:
the present invention has been made to solve the above problems.
In order to solve the above problems, the present invention provides a technical solution:
a frame type welding auxiliary turnover frame comprises a fixing mechanism, wherein the fixing mechanism comprises a base, screw grooves, T-shaped supporting seats, limiting screws and connecting grooves, a plurality of screw grooves are formed in the front end and the rear end of the top of the base, T-shaped supporting seats are arranged on the two sides above the base, the limiting screws are inserted into the front end and the rear end of each of two T-shaped supporting seats, the connecting grooves penetrate through the top ends of the side walls of one side of the two T-shaped supporting seats, the two T-shaped supporting seats are connected with rotating mechanisms through the connecting grooves respectively, and the two T-shaped supporting seats are located on the outer sides of the connecting grooves respectively and connected with auxiliary mechanisms;
the two rotating mechanisms respectively comprise connecting cylinders, bearings, extension rods and handles, the outer walls of the two connecting cylinders are respectively and fixedly connected with the inner walls of the bearings, the inner walls of the two bearings are respectively and fixedly connected with the outer walls of the extension rods, and the outer walls of the ends, far away from the connecting cylinders, of the two extension rods are fixedly and respectively connected with a plurality of handles; one ends of the two connecting cylinders, which are far away from the extension rod, are respectively connected with a clamping mechanism;
the two clamping mechanisms respectively comprise a supporting plate, a sliding groove, an outer barrel, an L-shaped inner rod, a threaded groove, a first bolt, a fixed frame, a second bolt, an electric telescopic rod, an arc groove, a non-slip mat and a sliding block, the rear end of one side wall of the two supporting plates is provided with the sliding groove, the sliding block is connected inside the two sliding grooves in a sliding manner, the outer barrels are arranged at the front end and the rear end of one side wall of the two supporting plates, which is close to the sliding groove, the inner end of each outer barrel, which is far away from the supporting plate, is inserted with the L-shaped inner rod, a plurality of side walls of each L-shaped inner rod and the side wall of one end of the outer barrel, which is far away from the supporting plate, are provided with the threaded grooves in a penetrating manner, the first bolt is inserted in each threaded groove in each L-shaped inner rod, one end of, the inner wall of each arc-shaped groove is fixedly connected with the side wall of one side of the non-slip mat, the side walls, close to the other outer cylinder, of the two outer cylinders far away from one end of each sliding groove are provided with fixing frames, electric telescopic rods are fixedly connected inside the two fixing frames, and two bolts are inserted into the front end and the rear end, close to the outer cylinder on one side, of the two fixing frames;
two the outside that T type supporting seat is located the spread groove respectively is excavated there is complementary unit, two complementary unit all includes circular spout, No. two circular spouts, curved sliding block and connecting rod, two the outside that T type supporting seat is located the spread groove respectively is excavated there is No. two circular spouts, two the outside that T type supporting seat is located No. two circular spouts respectively is excavated there is circular spout, two the equal sliding connection in inside of a circular spout and No. two circular spouts has curved sliding block, every curved sliding block keeps away from the equal fixedly connected with connecting rod of one end of T type supporting seat.
Preferably, the two T-shaped supporting seats are in threaded connection with screw grooves at the front end and the rear end of the base through two limiting screws respectively, and the distance between the top and the bottom of the two T-shaped supporting seats is larger than the distance between the top and the bottom of the supporting plate and the distance between the two sides of the supporting plate respectively.
Preferably, the two fixing frames are in threaded connection with the outer barrel through a second bolt respectively, the output ends of the two electric telescopic rods are fixedly connected with the side wall of the outer barrel close to one side of the sliding groove respectively, one end, away from the sliding groove, of the sliding block is fixedly connected with one end, away from the L-shaped inner rod, of the outer barrel, away from the position-matched outer barrel respectively, the inner diameter of the outer barrel is equal to the outer diameter of the L-shaped inner rod respectively, and the outer barrel is in threaded connection with the position-matched L-shaped inner rod through a first bolt in the thread groove respectively.
Preferably, the side walls of the two sides, close to the anti-skid pads, of the two sides are respectively in contact with and close to the outer walls of the front end and the rear end of the oil drum.
Preferably, one end, far away from the arc-shaped sliding block, of each connecting rod on two sides is fixedly connected with the side wall, far away from the sliding groove, of the supporting plate respectively.
Preferably, the outer walls of the two bearings are fixedly connected with the inner wall of the connecting groove respectively.
The invention has the beneficial effects that:
1. the distance between two oil drums to be welded can be conveniently adjusted through the arranged fixing mechanism, and the rotating mechanism, the auxiliary mechanism and the clamping mechanism are matched for use, so that the welding between the two oil drums can be conveniently clamped and limited, and the use limitation is small;
2. the oil drum clamping device is convenient to clamp and limit oil drums with different sizes through the arranged clamping mechanism, avoids the problem that the oil drums cannot be clamped and welded due to too large or too small sizes, and has good practicability.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic perspective view of the rotating mechanism and the auxiliary mechanism on the inner wall of one side of the fixing mechanism according to the present invention;
FIG. 3 is a side view of the clamping mechanism of the present invention;
FIG. 4 is a schematic view of the split structure of the clamping plate and the non-slip mat of the clamping mechanism of the present invention;
FIG. 5 is a schematic view of the position structure of the sliding slot and the sliding block in the clamping mechanism of the present invention.
In the figure: 1. a fixing mechanism; 101. a base; 102. a screw groove; 103. a T-shaped support seat; 104. a limit screw; 105. connecting grooves; 2. a rotation mechanism; 21. a connecting cylinder; 22. a bearing; 23. an extension pole; 24. a handle; 3. an auxiliary mechanism; 31. a first round chute; 32. a second round chute; 33. an arc-shaped sliding block; 34. a connecting rod; 4. a clamping mechanism; 41. a support plate; 42. a chute; 43. an outer cylinder; 44. an L-shaped inner rod; 45. a thread groove; 46. a first bolt; 47. a fixed frame; 48. a second bolt; 49. An electric telescopic rod; 410. a splint; 411. an arc-shaped slot; 412. a non-slip mat; 413. a slider; 5. an oil drum.
The specific implementation mode is as follows:
example 1: as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: a frame type welding auxiliary turning frame comprises a fixing mechanism 1, wherein the fixing mechanism 1 comprises a base 101, screw grooves 102, T-shaped supporting seats 103, limiting screw rods 104 and connecting grooves 105, a plurality of screw grooves 102 are formed in the front end and the rear end of the top of the base 101, the T-shaped supporting seats 103 are arranged on the two sides above the base 101, the limiting screw rods 104 are inserted into the front end and the rear end of each of the two T-shaped supporting seats 103, the connecting grooves 105 penetrate through the top ends of the side walls of one sides of the two T-shaped supporting seats 103, the two T-shaped supporting seats 103 are connected with a rotating mechanism 2 through the connecting grooves 105 respectively, and the two T-shaped supporting seats 103 are connected with auxiliary mechanisms 3 on;
the two rotating mechanisms 2 respectively comprise connecting cylinders 21, bearings 22, extension rods 23 and handles 24, the outer walls of the two connecting cylinders 21 are respectively and fixedly connected with the inner walls of the bearings 22, the inner walls of the two bearings 22 are respectively and fixedly connected with the outer walls of the extension rods 23, and the outer walls of the two extension rods 23 at the ends far away from the connecting cylinders 21 are respectively and fixedly connected with the handles 24; one ends of the two connecting cylinders 21 far away from the extension rod 23 are respectively connected with a clamping mechanism 4;
the two clamping mechanisms 4 respectively comprise a supporting plate 41, a sliding groove 42, an outer cylinder 43, an L-shaped inner rod 44, a threaded groove 45, a first bolt 46, a fixed frame 47, a second bolt 48, an electric telescopic rod 49, an arc-shaped groove 411, an anti-slip mat 412 and a sliding block 413, the sliding groove 42 is formed in the rear end of the side wall of one side of each supporting plate 41, the sliding block 413 is connected in the sliding groove 42 in a sliding manner, the outer cylinders 43 are arranged at the front end and the rear end of the side wall of one side, close to the sliding groove 42, of each supporting plate 41, the L-shaped inner rod 44 is inserted in the outer cylinder 43 at one end, far away from the supporting plate 41, the threaded grooves 45 are formed in a plurality of side walls of each L-shaped inner rod 44 and the side wall of one end, far away from the supporting plate 41, of each L-shaped inner rod 44, the clamping plate 410 is fixedly connected with the clamping plate 410, the arc-shaped groove 411 is formed in the, the inner wall of each arc-shaped groove 411 is fixedly connected with the side wall of one side of the anti-skid pad 412, the side walls of the two outer cylinders 43 far away from one end of the sliding groove 42 and close to the other outer cylinder 43 are respectively provided with a fixed frame 47, the insides of the two fixed frames 47 are respectively and fixedly connected with an electric telescopic rod 49, and the front end and the rear end of the outer cylinder 43 close to one side of the two fixed frames 47 are respectively inserted with a second bolt 48;
two T type supporting seats 103 are located the outside of spread groove 105 respectively and are excavated there is complementary unit 3, two complementary unit 3 all include circular spout 31 No. one, No. two circular spouts 32, arc slider 33 and connecting rod 34, two T type supporting seats 103 are located the outside of spread groove 105 respectively and are excavated No. two circular spouts 32, two T type supporting seats 103 are located the outside of No. two circular spouts 32 respectively and are excavated No. one circular spout 31, the equal sliding connection in inside of two circular spouts 31 and No. two circular spouts 32 has arc slider 33, the equal fixedly connected with connecting rod 34 of one end that T type supporting seat 103 was kept away from to every arc slider 33.
The two T-shaped supporting seats 103 are respectively in threaded connection with the screw grooves 102 at the front end and the rear end of the base 101 through two limiting screws 104, and the distance between the top and the bottom of the two T-shaped supporting seats 103 is respectively greater than the distance between the top and the bottom and between the two sides of the supporting plate 41.
Wherein, two fixed frames 47 are respectively through No. two bolt 48 and urceolus 43 threaded connection, two electric telescopic handle 49's output respectively with be close to the urceolus 43 lateral wall fixed connection of spout 42 one side, the one end that two sliders 413 keep away from spout 42 is respectively with the one end fixed connection that L type interior pole 44 was kept away from to position assorted urceolus 43, the internal diameter size of every urceolus 43 is equal to the external diameter size of L type interior pole 44 respectively, and every urceolus 43 is respectively through a bolt 46 in the thread groove 45 and the thread groove 45 threaded connection on the L type interior pole 44 of position assorted.
Wherein, the lateral wall that both sides slipmat 412 is close to mutually contacts and is close to with the front and back both ends outer wall of oil drum 5 respectively.
Wherein, one end of each connecting rod 34 far away from the arc-shaped sliding block 33 at two sides is respectively fixedly connected with one side wall of the supporting plate 41 far away from the sliding groove 42.
Wherein, the outer walls of the two bearings 22 are respectively fixedly connected with the inner wall of the connecting groove 105.
Specifically, the method comprises the following steps: when the device is used, the distance between the two T-shaped supporting seats 103 which are close to each other is adjusted according to the size of the two oil drums 5 which are spliced as required, the two T-shaped supporting seats 103 are placed above the screw grooves 102 at the front end and the rear end which are suitable according to the size, then the T-shaped supporting seats 103 are in threaded connection with the base 101 through the limiting screw 104, the electric telescopic rods 49 stretch out through the work of the two electric telescopic rods 49 to drive the outer drums 43 on the sliding blocks 413 to move towards one end far away from the other outer drum 43, the work of the two electric telescopic rods 49 can be stopped until the distance between the two anti-skid pads 412 is greater than the distance between the outer walls at the front side and the rear side of the oil drum 5, after the two oil drums 5 which need to be welded are spliced together by a worker, the outer drums 43 at the moving end is driven to retract through the work of the two electric telescopic rods 49 until the outer walls at the front end, after the clamping, the splicing position of the two oil drums 5 can be welded through welding equipment, the oil drums 5 need to be rotated to be made, the handle 24 at one end is rotated, the handle 24 drives the connecting cylinder 21 and the supporting plate 41 to rotate, the supporting plate 41 drives the oil drums 5 to rotate through the outer cylinder 43, the L-shaped inner rod 44, the clamping plate 410 and the anti-slip pads 412, when the supporting plate 41 rotates, the supporting plate 41 increases the stability of the rotation of the supporting plate 41 through the sliding of the arc-shaped sliding block 33 connected with one end of the connecting rod 34 close to one side wall of the T-shaped supporting seat 103 in the second circular sliding groove 32 and the first circular sliding groove 31, after the welding is finished, the electric telescopic rod 49 extends out to drive the outer cylinder 43 on the sliding block 413 to move towards one end far away from the other outer cylinder 43, and when the distance between the two anti-slip pads 412 is larger, the two welded oil drums 5 can be taken out for the next welding operation; when the clamping distance between the two sides needs to be finely adjusted, each first bolt 46 is disassembled, the L-shaped inner rod 44 is inserted into or pulled out of the outer cylinder 43 until the L-shaped inner rod 44 is well adjusted, the thread grooves 45 on the side walls of the L-shaped inner rod 44 and the outer cylinder 43 are matched in position, and then the L-shaped inner rod 44 and the outer cylinder 43 are connected through the first bolts 46, so that fine adjustment can be completed.
Example 2: this device is when the welding, if the mutual one side lateral wall of keeping away from of two oil drums 5 is welded, can get rid of whole fixture 4 of both sides in this device, both sides all remain backup pad 41, fixed frame 47, No. two bolt 48 and electric telescopic handle 49, with two fixed frame 47 through No. two bolt 48 and backup pad 41 threaded connection, support one side lateral wall that two oil drums 5 kept away from each other with every electric telescopic handle 49's flexible end, can carry out the centre gripping spacingly to two oil drums 5.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. A frame type welding auxiliary roll-over stand is characterized by comprising a fixing mechanism (1), the fixing mechanism (1) comprises a base (101), a spiral groove (102), a T-shaped supporting seat (103), a limiting screw rod (104) and a connecting groove (105), a plurality of screw grooves (102) are formed in the front end and the rear end of the top of the base (101), T-shaped supporting seats (103) are arranged on two sides above the base (101), limiting screws (104) are inserted into the front end and the rear end of each of the two T-shaped supporting seats (103), a connecting groove (105) penetrates through the top end of the side wall of one side of each of the two T-shaped supporting seats (103), the two T-shaped supporting seats (103) are connected with a rotating mechanism (2) through the connecting groove (105), and auxiliary mechanisms (3) are connected to the two T-shaped supporting seats (103) which are located on the outer sides of the connecting grooves (105) respectively;
the two rotating mechanisms (2) respectively comprise connecting cylinders (21), bearings (22), extension rods (23) and handles (24), the outer walls of the two connecting cylinders (21) are respectively and fixedly connected with the inner walls of the bearings (22), the inner walls of the two bearings (22) are respectively and fixedly connected with the outer walls of the extension rods (23), and the outer walls of the two extension rods (23) far away from one ends of the connecting cylinders (21) are respectively and fixedly connected with a plurality of handles (24); one ends of the two connecting cylinders (21) far away from the extension rod (23) are respectively connected with a clamping mechanism (4);
the two clamping mechanisms (4) respectively comprise a supporting plate (41), a sliding groove (42), outer cylinders (43), L-shaped inner rods (44), threaded grooves (45), a first bolt (46), a fixed frame (47), a second bolt (48), an electric telescopic rod (49), an arc-shaped groove (411), anti-skidding pads (412) and sliding blocks (413), the sliding groove (42) is formed in the rear end of the side wall of one side of each supporting plate (41), the sliding blocks (413) are connected in the sliding grooves (42) in a sliding mode, the outer cylinders (43) are arranged at the front end and the rear end of the side wall, close to one side of each sliding groove (42), of each supporting plate (41), the L-shaped grooves (44) are inserted in the inner part, far away from one end of each supporting plate (41), of the side walls of a plurality of the L-shaped inner rods (44) and the side wall, far away from one end of each supporting plate (41), of each, a first bolt (46) is inserted into each L-shaped inner rod (44) positioned in a threaded groove (45), one end, far away from the outer barrel (43), of each L-shaped inner rod (44) is fixedly connected with a clamping plate (410), an arc-shaped groove (411) is formed in the side wall, far away from the L-shaped inner rod (44), of each clamping plate (410), the inner wall of each arc-shaped groove (411) is fixedly connected with the side wall of one side of a non-slip mat (412), two outer barrels (43), far away from one end of the sliding groove (42), close to the other outer barrel (43) are provided with fixed frames (47), electric telescopic rods (49) are fixedly connected inside the two fixed frames (47), and a second bolt (48) is inserted into the front end and the rear end, close to the outer barrel (43) on one side, of the two fixed frames (47);
two outside excavation that T type supporting seat (103) are located spread groove (105) respectively has complementary unit (3), two complementary unit (3) all includes circular spout (31), circular spout (32), arc slider (33) and connecting rod (34), two the outside excavation that T type supporting seat (103) are located spread groove (105) respectively has circular spout (32), two T type supporting seat (103) are located circular spout (32) respectively has circular spout (31), two the inside equal sliding connection of circular spout (31) and circular spout (32) has arc slider (33), every the equal fixedly connected with connecting rod (34) of one end of T type supporting seat (103) are kept away from to arc slider (33).
2. A frame-type welding auxiliary roll-over stand as claimed in claim 1, wherein: the two T-shaped supporting seats (103) are in threaded connection with screw grooves (102) at the front end and the rear end of the base (101) through two limiting screws (104), and the distance between the top and the bottom of the two T-shaped supporting seats (103) is larger than the distance between the top and the bottom and between the two sides of the supporting plate (41).
3. A frame-type welding auxiliary roll-over stand as claimed in claim 1, wherein: two fixed frame (47) are respectively through No. two bolt (48) and urceolus (43) threaded connection, two the output of electric telescopic handle (49) respectively with urceolus (43) lateral wall fixed connection who is close to spout (42) one side, two the one end that spout (42) were kept away from in slider (413) is kept away from the one end fixed connection of L type interior pole (44) respectively with position assorted urceolus (43), every the internal diameter size of urceolus (43) equals the external diameter size of L type interior pole (44) respectively, and every thread groove (45) threaded connection is gone up through a bolt (46) in thread groove (45) and position assorted L type interior pole (44) respectively in urceolus (43).
4. A frame-type welding auxiliary roll-over stand as claimed in claim 1, wherein: the side wall of one side, close to the anti-skid pads (412), on the two sides is respectively contacted with the outer walls of the front end and the rear end of the oil drum (5) and is close to the outer walls.
5. A frame-type welding auxiliary roll-over stand as claimed in claim 1, wherein: one end of each connecting rod (34) on two sides, which is far away from the arc-shaped sliding block (33), is fixedly connected with the side wall of one side, which is far away from the sliding groove (42), of the supporting plate (41).
6. A frame-type welding auxiliary roll-over stand as claimed in claim 1, wherein: the outer walls of the two bearings (22) are fixedly connected with the inner wall of the connecting groove (105) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224517.4A CN111331306A (en) | 2020-03-26 | 2020-03-26 | Frame-type welding auxiliary roll-over stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224517.4A CN111331306A (en) | 2020-03-26 | 2020-03-26 | Frame-type welding auxiliary roll-over stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111331306A true CN111331306A (en) | 2020-06-26 |
Family
ID=71176721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010224517.4A Withdrawn CN111331306A (en) | 2020-03-26 | 2020-03-26 | Frame-type welding auxiliary roll-over stand |
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| Country | Link |
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| CN (1) | CN111331306A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139687A (en) * | 2020-09-17 | 2020-12-29 | 中国航空制造技术研究院 | Clamping device and method for laser drilling of flame tube |
| CN114393392A (en) * | 2021-11-30 | 2022-04-26 | 北京氢沄新能源科技有限公司 | Turnover tool of fuel cell engine |
-
2020
- 2020-03-26 CN CN202010224517.4A patent/CN111331306A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139687A (en) * | 2020-09-17 | 2020-12-29 | 中国航空制造技术研究院 | Clamping device and method for laser drilling of flame tube |
| CN114393392A (en) * | 2021-11-30 | 2022-04-26 | 北京氢沄新能源科技有限公司 | Turnover tool of fuel cell engine |
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Application publication date: 20200626 |
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| WW01 | Invention patent application withdrawn after publication |