CN107572361B - Quick release device for vertical impact test of container - Google Patents
Quick release device for vertical impact test of container Download PDFInfo
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- CN107572361B CN107572361B CN201710953044.XA CN201710953044A CN107572361B CN 107572361 B CN107572361 B CN 107572361B CN 201710953044 A CN201710953044 A CN 201710953044A CN 107572361 B CN107572361 B CN 107572361B
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- motor
- wire rope
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- 238000009863 impact test Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims description 38
- 238000003466 welding Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a quick release device for a vertical impact test of a container, which structurally comprises a transmission motor, a wire collecting roller, a movable bolt, a quick release frame, a supporting arm, a fastening nut, an anti-slip gasket, a fixed screw, a steel wire rope, a fixed hoop, a transmission rod, a bolt hole, a ram and a container lifting hook. The invention has the beneficial effects that: the utility model discloses a quick frame of putting that is equipped with is total two to install in the both sides of support arm through movable bolt, lift up container lifting rope through the container lifting hook, then connect wire rope both ends through fixed ferrule, receive and release control through receiving the line cylinder, when wire rope bloies, then container lifting hook slope, has played the effect that both ends were put simultaneously at a speed, has guaranteed the depth of parallelism of perpendicular impact contact surface greatly, has promoted the accuracy of test data.
Description
Technical Field
The invention relates to a quick release device for a vertical impact test of a container, and belongs to the field of quick release devices of containers.
Background
The greatest success of containers is their standardization of products and the complete set of transportation systems established thereby. The system can realize standardization of a pointism with a load of tens of tons, and gradually realize logistics systems matched with ships, ports, airlines, highways, transfer stations, bridges, tunnels and multi-mode intermodal in the global scope based on the standardization, which is one of great wonder created by human history.
The offshore container needs to be tested through a vertical impact test, and the simulated container body suddenly falls off at an angle of not less than 5 degrees with the ground after being lifted. This requires a means to both lift and release the container quickly to complete the vertical impact test.
The prior art discloses the application number: 201520768993.7 is used for container vertical impact test's quick release device, wraps and hangs the jib that has the lifting hook hole, and the lower part of jib is fixed with the hanging seat, be provided with first pivot and second pivot in the hanging seat, be provided with the couple in the first pivot, be provided with the traction lever in the second pivot, the front end of couple stretches out the hanging seat and forms string portion, forms the bayonet socket between the rear end of couple and the hanging seat, and one side of traction lever is provided with the dop, and the position of dop corresponds with the position of bayonet socket. The device has the advantages of simple structure, convenient manufacture, reliable performance, repeated and repeated utilization, good practicability and operability, and can stably lift the container and rapidly release the container, thereby completely meeting the requirements of vertical impact tests. The parallelism at two ends of a container cannot be guaranteed by the existing technology, so that vertical impact contact surfaces are unequal, and test data are affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a quick release device for a vertical impact test of a container, so as to solve the problems that the parallelism of two ends of the container cannot be ensured, the vertical impact contact surfaces are unequal and test data are affected in the prior art.
In order to achieve the above object, the present invention is realized by the following technical scheme: a put device fast for perpendicular impact test of container, its structure includes driving motor, receipts line cylinder, movable bolt, put frame, support arm, fastening nut, anti-skidding gasket, fixing screw, wire rope fast, the support arm middle part be equipped with the activity and install fixing screw's screw thread recess, fixing screw be cylinder structure and top and receipts line cylinder bottom looks lock, driving motor lower extreme install in receipts line cylinder top through the embedded mode, quick put the frame and be equipped with two and install in the support arm left and right sides through movable bolt respectively altogether, wire rope both ends be connected and the middle part is located receipts line cylinder middle part through the mode of closing with quick putting the frame top, fixing screw bottom run through support arm middle part and fastening nut threaded connection, anti-skidding gasket be circular structure and install between fastening nut and support arm, quick put the frame include retainer plate, transfer line, ram, container lifting hook, the retainer plate bottom locate the transfer line upper end through welding mode, transfer line lower extreme right side and ram be connected through the movable bolt, ram is the welding mode is located in the right side of ram and the U-shaped recess is located for the welding mode, the lifting hook is formed for the right side.
Further, the transmission motor comprises a bolt hole, a transmission shaft, a motor mounting plate, a mounting hole, a junction box, a machine body and a motor protection cover.
Further, the bolt hole be equipped with more than two and evenly distributed in the transmission shaft left side and for integrated into one piece structure, the transmission shaft right side locate the organism left side through the embedding mode, the organism be cylindrical structure and the right side is connected through the mode of overlapping with the motor protection casing.
Further, the terminal box locate the organism middle part through the lock mode, the motor mounting panel locate the organism bottom through the welding mode, the motor mounting panel both sides be equipped with the mounting hole and as integrated into one piece structure, the drive shaft be connected with the take-up cylinder through the bolt hole.
Further, the wire collecting roller comprises a buckling hole, a guide shaft, a wire collecting groove and a cylinder body.
Further, the guide shaft and the cylinder body are of circular structures and are connected in a sleeving manner, the buckling holes are formed in the left side of the guide shaft and are of an integrated structure, and the wire collecting groove is formed in the middle of the cylinder body and is of an integrated structure.
Further, the fixing screw comprises a fixing buckle, a locating pin, a fixing shaft and a threaded surface.
Further, the thread surface and the fixed shaft are sleeved and combined into an integrated structure, the top end of the fixed shaft is connected with the positioning pin in a welding mode, and the fixed buckle is of a circular structure and is sleeved with the top of the positioning pin.
Further, mounting clamps are arranged on two sides of the upper end of the supporting arm, and each mounting clamp comprises a nut, a first pressing plate, a pressing groove, a fastening screw and a second pressing plate.
Further, the indent be equipped with two altogether and locate first clamp plate and the inboard middle part of second clamp plate respectively and integrated into one piece structure, fastening screw be equipped with two altogether and run through first clamp plate both sides and be connected with the second clamp plate both sides, fastening screw top be equipped with the nut and pass through threaded connection, second clamp plate and support arm be connected through the welding mode.
Advantageous effects
The invention relates to a quick release device for a vertical impact test of a container, which comprises a main body, a quick release device and a quick release device, wherein the main body is provided with a main body, the main body is provided with a main body: as shown in fig. 1, the wire rope is wound and unwound by driving the winding drum through the driving motor, and both ends of the wire rope are respectively fixed with the two winding drums, and then the two winding drums are fixed with the supporting arm and the driving motor through the fixing screw, the provided winding drum is fixed at both sides of the supporting arm through the movable bolt, the winding drum is wound and unwound through the wire rope to perform angle adjustment, when the wire rope is lengthened, the angle of the fast winding drum is outwards, thereby tilting the container hook, the provided driving motor drives the driving rod to rotate forwards and backwards through the machine body, and the driving rod is fixed with the winding drum through the bolt hole, thereby driving the winding drum to rotate, in addition, the middle part of the winding drum is provided with the winding groove, the condition that the wire rope slides down when the winding is prevented from occurring, the protection is achieved, then the fixing buckle at the top end of the fixing screw is buckled through the buckling hole, the fixing screw is enabled to play the fixing function, and the winding drum winding is not influenced, the resistance is reduced, when the wire rope is extended, the middle part of the fixing shaft is penetrated through the threaded surface, then the fixing bolt is connected with the fastening surface through the fastening surface, the two ends of the supporting arm are connected with the fixing drum through the bolt, the two ends of the lifting drum are connected with the two ends of the lifting drums through the bolt, the winding drum is prevented from sliding, the two ends of the lifting drum are contacted with the two ends of the lifting drums, and the lifting hook is prevented from falling down, and the two sides of the lifting hook are mounted, and the lifting hook is guaranteed to be in parallel to the condition, and the two sides, and the lifting drum is fixed, the accuracy of test data is improved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a quick release device for vertical impact test of a container according to the present invention.
Fig. 2 is a schematic diagram of a quick release rack according to the present invention.
Fig. 3 is a schematic diagram of the structure of the transmission motor of the present invention.
Fig. 4 is a schematic view of a take-up drum according to the present invention.
Fig. 5 is a schematic view of the structure of the fixing screw of the present invention.
Fig. 6 is a schematic structural diagram of a in fig. 1.
Fig. 7 is a circuit diagram of a drive motor of the present invention.
Fig. 8 is a schematic view of the structure of the mounting fixture of the present invention.
In the figure: the wire winding machine comprises a transmission motor-1, a wire winding roller-2, a movable bolt-3, a quick release frame-4, a supporting arm-5, a fastening nut-6, an anti-slip gasket-7, a fixing screw rod-8, a steel wire rope-9, a fixing hoop-401, a transmission rod-402, a bolt hole-403, a ram-404, a container lifting hook-405, a transmission shaft-101, a motor mounting plate-102, a mounting hole-103, a junction box-104, a machine body-105, a motor protection cover-106, a buckling hole-201, a guide shaft-202, a wire winding groove-203, a cylinder body-204, a fixing buckle-801, a locating pin-802, a fixing shaft-803, a threaded surface-804, a mounting clamp-10, a nut-1001, a first pressing plate-1002, a pressing groove-1003, a fastening screw rod-1004 and a second pressing plate-1005.
Description of the embodiments
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Examples
Referring to fig. 1-7, the present invention provides a quick release device for vertical impact test of a container: the structure of the wire winding drum comprises a transmission motor 1, a wire winding drum 2, movable bolts 3, a quick-release frame 4, a supporting arm 5, fastening nuts 6, an anti-slip gasket 7, a fixing screw 8 and a steel wire rope 9, wherein the middle part of the supporting arm 5 is provided with a thread groove for movably installing the fixing screw 8, the fixing screw 8 is of a cylindrical structure, the top of the fixing screw is buckled with the bottom of the wire winding drum 2, the lower end of the transmission motor 1 is arranged at the top of the wire winding drum 2 in an embedded manner, the quick-release frame 4 is provided with two in total and is respectively arranged at the left side and the right side of the supporting arm 5 through the movable bolts 3, the two ends of the steel wire rope 9 are connected with the top of the quick-release frame 4, the middle part of the steel wire rope is arranged in the middle of the wire winding drum 2 in a winding manner, the bottom of the fixing screw 8 penetrates through the middle of the supporting arm 5 and is in threaded connection with the fastening nuts 6, the anti-slip gasket 7 is of a round structure and is arranged between the fastening nut 6 and the supporting arm 5, the quick release frame 4 comprises a fixed hoop 401, a transmission rod 402, a bolt hole 403, a ram 404 and a container lifting hook 405, the bottom of the fixed hoop 401 is arranged at the upper end of the transmission rod 402 in a welding way, the right side of the lower end of the transmission rod 402 is connected with the ram 404 in a welding way, the bolt hole 403 is arranged at the middle part of the right side of the ram 404 and is of an integrated structure, the container lifting hook 405 is of a U-shaped structure and is arranged at the right side of the ram 404 in a groove in a welding way, the transmission motor 1 comprises a bolt hole, a transmission shaft 101, a motor mounting plate 102, a mounting hole 103, a wire connecting box 104, a machine body 105 and a motor protection cover 106, the bolt hole be equipped with more than two and evenly distributed in transmission shaft 101 left side and as integrated into one piece structure, transmission shaft 101 right side locate organism 105 left side through the embedding mode, organism 105 be cylindrical structure and right side and motor protection casing 106 be connected through the nesting mode, terminal box 104 locate organism 105 middle part through the lock mode, motor mounting panel 102 locate organism 105 bottom through the welding mode, motor mounting panel 102 both sides be equipped with mounting hole 103 and as integrated into one piece structure, transmission shaft 101 be connected with receipts line cylinder 2 through the bolt hole, receipts line cylinder 2 include lock hole 201, guide shaft 202, receipts wire casing 203, barrel 204, guide shaft 202 and barrel 204 be circular structure and be connected through the nesting mode, lock hole 201 locate guide shaft 202 left side and be integrated into one piece structure, receipts wire casing 203 locate barrel 204 middle part and be integrated into one piece structure, buckle fixing screw 8 include fixed 801, locating pin 802, fixed axle, screw plane 804 be integrated into one piece structure with the fixed axle 803, the top be integrated into one piece structure with the fixed axle 803 through the cover of lock hole 803, the fixed pin 803 is integrated into one piece structure with the top 803, the fixed top is welded into one piece structure.
The invention provides a quick release device for a vertical impact test of a container, which has the following working principle: as shown in fig. 1, the wire winding drum 2 is driven to rotate by the transmission motor 1, thereby winding and unwinding the steel wire rope 9, two ends of the steel wire rope 9 are respectively fixed with the two quick winding frames 4, then the supporting arm 5 is fixed with the transmission motor 1 and the wire winding drum 2 by the fixing screw 8, the quick winding frames 4 are fixed on two sides of the supporting arm 5 by the movable bolts 3, the quick winding frames 4 can be subjected to angle adjustment by winding and unwinding the steel wire rope 9, after the steel wire rope 9 is elongated, the quick winding frames 4 are outwards angled, so that the container lifting hook 405 is inclined, the transmission motor 1 is arranged to drive the transmission rod 402 to rotate forward and backward by the machine body 105, the transmission rod 402 is fixed with the wire winding drum 2 by the pin holes, thereby the wire winding drum 2 can be driven to rotate, in addition, the wire winding drum 2 is provided with the wire winding grooves 203 in the middle, the situation that the steel wire rope slides off 9 can be prevented, the protection effect is achieved, then the fixing buckles 801 on the top of the guide shaft 202 and the fixing screw 8 are buckled by the buckling holes 201, the fixing buckles 801 on the top of the fixing screw 8 are not affected, the wire winding drum 2 is reduced by the fixing shaft is provided with the fixing screw 803, and the fixing nut is connected with the fixing screw 803 through the fixing bolt 803, and the thread is prevented from sliding down by the fixing nut 804, and the thread is connected with the thread through the fixing nut 803, and the fixing nut is provided with the fixing nut through the fixing nut 803, and the thread nut is provided with the fixing nut, and has the nut is capable of a nut through the nut.
Examples
Referring to fig. 1-8, the present invention provides a quick release device for vertical impact test of a container: the mounting fixture 10 is arranged on two sides of the upper end of the supporting arm 5, the mounting fixture 10 comprises a nut 1001, a first pressing plate 1002, pressing grooves 1003, fastening screws 1004 and a second pressing plate 1005, the pressing grooves 1003 are provided with two pressing plates 1002 and the middle of the inner side of the second pressing plate 1005 respectively and are of an integrated structure, the fastening screws 1004 are provided with two pressing plates 1002 and penetrate through two sides of the first pressing plate 1002 to be connected with two sides of the second pressing plate 1005, the top of each fastening screw 1004 is provided with the nut 1001 and is connected with the corresponding supporting arm 5 through threads, and the second pressing plate 1005 is connected with the corresponding supporting arm 5 through welding.
The steel wire rope 9 is a spiral steel wire bundle formed by twisting steel wires with mechanical properties and geometric dimensions meeting the requirements together according to a certain rule, and consists of steel wires, rope cores and lubricating grease. The steel wire rope is a spiral rope which is formed by twisting multiple layers of steel wires into strands and then taking a rope core as the center.
The invention relates to a transmission motor 1, a wire collecting roller 2, a movable bolt 3, a quick release frame 4, a supporting arm 5, a fastening nut 6, an anti-slip gasket 7, a fixed screw 8, a steel wire rope 9, a fixed hoop 401, a transmission rod 402, a bolt hole 403, a ram 404, a container lifting hook 405, a bolt hole, a transmission shaft 101, a motor mounting plate 102, a mounting hole 103, a junction box 104, a machine body 105, a motor protection cover 106, a buckling hole 201, a guide shaft 202, a wire collecting groove 203, a cylinder 204, a fixed buckle 801, a positioning pin 802, a fixed shaft 803, a threaded surface 804, a mounting clamp 10, a nut 1001, a first pressing plate 1002, a pressing groove 1003, a fastening screw 1004 and a second pressing plate 1005, wherein the components are all universal standard components or components known by a person in the art, the structure and principle of the components are known by the technical manual or the conventional experimental method, the parallelism of two ends of the container cannot be guaranteed, the vertical impact contact surface is unequal, test data are influenced, the parallelism of the vertical impact contact surface is greatly guaranteed by the mutual combination of the components, the accuracy of the vertical impact contact surface is guaranteed, and the accuracy is tested as follows:
the bottom of the fixed hoop 401 is arranged at the upper end of the transmission rod 402 in a welding mode, the right side of the lower end of the transmission rod 402 is connected with the ram 404 in a welding mode, the bolt hole 403 is arranged in the middle of the right side of the ram 404 and is of an integrally formed structure, and the container lifting hook 405 is of a U-shaped structure and is arranged on the right side of the ram 404 in a welding mode at a groove.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is intended to include only a single embodiment, and that this description is for clarity only, and that the disclosure is not limited to only a single embodiment, as other embodiments may be suitably combined in various embodiments as will be apparent to those of skill in the art.
Claims (4)
1. A put device fast for perpendicular impact test of container, its structure includes driving motor (1), take-up cylinder (2), movable bolt (3), puts frame (4), support arm (5), fastening nut (6), anti-skidding gasket (7), fixing screw (8), wire rope (9), its characterized in that fast:
the middle part of the supporting arm (5) is provided with a threaded groove which is movably provided with a fixing screw rod (8), the fixing screw rod (8) is of a cylindrical structure, the top of the fixing screw rod is buckled with the bottom of the wire collecting roller (2), the lower end of the transmission motor (1) is arranged at the top of the wire collecting roller (2) in an embedded mode, the quick release frame (4) is provided with two pieces in total and is respectively arranged at the left side and the right side of the supporting arm (5) through movable bolts (3), two ends of the steel wire rope (9) are connected with the top of the quick release frame (4) and the middle part of the steel wire rope is arranged at the middle part of the wire collecting roller (2) in a winding mode, the bottom of the fixing screw rod (8) penetrates through the middle part of the supporting arm (5) and is in threaded connection with the fastening nut (6), and the anti-skid gaskets (7) are of a circular structure and are arranged between the fastening nut (6) and the supporting arm (5).
The quick release frame (4) comprises a fixed hoop (401), a transmission rod (402), a bolt hole (403), a ram (404) and a container lifting hook (405), wherein the bottom of the fixed hoop (401) is arranged at the upper end of the transmission rod (402) in a welding mode, the right side of the lower end of the transmission rod (402) is connected with the ram (404) in a welding mode, the bolt hole (403) is arranged at the middle of the right side of the ram (404) and is of an integrated structure, and the container lifting hook (405) is of a U-shaped structure and a groove is arranged at the right side of the ram (404) in a welding mode;
the wire collecting roller (2) comprises a buckling hole (201), a guide shaft (202), a wire collecting groove (203) and a cylinder body (204);
the guide shaft (202) and the cylinder body (204) are of circular structures and are connected in a sleeving manner, the buckling hole (201) is formed in the left side of the guide shaft (202) and is of an integrated structure, and the wire collecting groove (203) is formed in the middle of the cylinder body (204) and is of an integrated structure;
the fixing screw (8) comprises a fixing buckle (801), a locating pin (802), a fixing shaft (803) and a thread surface (804);
the thread surface (804) is sleeved with the fixed shaft (803) to form an integrated structure, the top end of the fixed shaft (803) is connected with the positioning pin (802) in a welding mode, and the fixing buckle (801) is of a circular structure and is sleeved with the top of the positioning pin (802).
2. A quick release device for vertical impact testing of a container as defined in claim 1, wherein: the transmission motor (1) comprises a bolt hole, a transmission shaft (101), a motor mounting plate (102), a mounting hole (103), a junction box (104), a machine body (105) and a motor protection cover (106).
3. A quick release device for vertical impact testing of containers as defined in claim 2, wherein: the bolt hole be equipped with more than two and evenly distributed in transmission shaft (101) left side and for integrated into one piece structure, transmission shaft (101) right side locate organism (105) left side through the embedding mode, organism (105) be cylindrical structure and right side and motor protection casing (106) are connected through the mode of overlapping.
4. A quick release device for vertical impact testing of containers as defined in claim 2, wherein: the junction box (104) is arranged in the middle of the machine body (105) in a buckling mode, the motor mounting plate (102) is arranged at the bottom of the machine body (105) in a welding mode, mounting holes (103) are formed in two sides of the motor mounting plate (102) and are of an integrally formed structure, and the transmission shaft (101) is connected with the wire winding roller (2) through bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953044.XA CN107572361B (en) | 2017-10-13 | 2017-10-13 | Quick release device for vertical impact test of container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953044.XA CN107572361B (en) | 2017-10-13 | 2017-10-13 | Quick release device for vertical impact test of container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107572361A CN107572361A (en) | 2018-01-12 |
| CN107572361B true CN107572361B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710953044.XA Active CN107572361B (en) | 2017-10-13 | 2017-10-13 | Quick release device for vertical impact test of container |
Country Status (1)
| Country | Link |
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| CN (1) | CN107572361B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973210A (en) * | 2018-01-22 | 2018-05-01 | 张家港市盛达冶金吊具制造有限公司 | A kind of metallurgical suspender with lift protection side panel |
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| CN106672783A (en) * | 2016-12-16 | 2017-05-17 | 上海大学 | Automatic lifting hook and lifting ring separation and reunion device for lifting |
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| CN207596310U (en) * | 2017-10-13 | 2018-07-10 | 常德市武陵区正达厢式冷藏车厢厂 | A kind of fast releasing apparatus for the experiment of container vertical impact |
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- 2017-10-13 CN CN201710953044.XA patent/CN107572361B/en active Active
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| JPS54135434A (en) * | 1978-04-11 | 1979-10-20 | Nippon Jido Kiko Kk | Flashhboard gate switchgear |
| JP2009113884A (en) * | 2007-11-02 | 2009-05-28 | Daido Steel Co Ltd | Slinging work auxiliary device |
| WO2010110668A1 (en) * | 2009-03-11 | 2010-09-30 | Joergensen Ragnar | Releasable attachment apparatus for lifeboats and other hanging devices attached to a lifting arrangement |
| CN201722665U (en) * | 2010-07-23 | 2011-01-26 | 安徽铜都阀门股份有限公司 | Automatic grabbing device of single swing bar linking sliding block type |
| CN103274288A (en) * | 2013-06-05 | 2013-09-04 | 北京空间飞行器总体设计部 | Suspending and releasing system used for impact test of lander |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107572361A (en) | 2018-01-12 |
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