CN108167310A - A kind of automatic unlocking hook and its application method - Google Patents
A kind of automatic unlocking hook and its application method Download PDFInfo
- Publication number
- CN108167310A CN108167310A CN201711411851.5A CN201711411851A CN108167310A CN 108167310 A CN108167310 A CN 108167310A CN 201711411851 A CN201711411851 A CN 201711411851A CN 108167310 A CN108167310 A CN 108167310A
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- China
- Prior art keywords
- pin
- hook
- location hole
- stopper
- mounting portion
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 241001442589 Convoluta Species 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B45/00—Hooks; Eyes
- F16B45/02—Hooks with pivoting or elastically bending closing member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a kind of automatic unlocking hook and its application methods, and including hook body, hook body includes two pars convolutas and mounting portion, has gap between two pars convolutas, mounting portion is connected with below two pars convolutas；The upper end of two pars convolutas connects Removable hook by shaft, one end of Removable hook is stopper, stopper is passed through from the gap between two pars convolutas and is stretched into the mechanism mounting groove among mounting portion, the other end of Removable hook is hook portion, hook portion is oppositely arranged with stopper, and the end set of hook portion, in the top of block, block is arranged on the position that mounting portion is connect with two pars convolutas；The flexible push-pull configuration of setting wherein in mechanism mounting groove.Realizing can automatically open after hookload removing, meet existing demand.
Description
Technical field
The invention belongs to frame for movement technical field；More particularly to a kind of automatic unlocking hook and its application method.
Background technology
The hook used at present can be realized carries out locking in the case of stress and force-free state to hook, non-
It needs to be opened by human assistance under stress.
The requirement for having some special hook now, since its use condition is more special, i.e., can lead in original state
Crossing human assistance is closed hook, can be also closed in stress；When the force value born on hook is unloaded
After load, hook automatic clamping is opened.
Invention content
The present invention provides a kind of automatic unlocking hook and its application methods；Realizing can be certainly after hookload removing
It is dynamic to open, meet existing demand.
The technical scheme is that：A kind of automatic unlocking hook, including hook body, hook body includes two pars convolutas
And mounting portion, there is between two pars convolutas gap, mounting portion is connected with below two pars convolutas；The upper end of two pars convolutas passes through shaft
Removable hook is connected, one end of Removable hook is stopper, and stopper is passed through from the gap between two pars convolutas and stretched into mounting portion
Between mechanism mounting groove in, the other end of Removable hook is hook portion, and hook portion is oppositely arranged with stopper, and the end set of hook portion exists
The top of block, block are arranged on the position that mounting portion is connect with two pars convolutas；Wherein setting is flexible in mechanism mounting groove
Push-pull configuration；Elastic push-pull configuration includes the cross axis pin that can be moved up and down, and cross axis pin includes lateral pin and vertical pin, lateral pin gear
Before the end face of stopper, the upper end of vertical pin is contacted with block, and lower end is flexibly connected cranked one end；The middle part of crank is in
Axis pin is fixed on the backboard of mounting portion, and the other end of crank is connected with connecting rod, the lower end connecting rod of connecting rod, and pull rod
On be cased with compressed spring, and sleeve is cased with outside pull rod；Auxiliary locking pin is connected on sleeve, the upper end of locking pin is assisted to pass through
The baffle connection auxiliary locking pin being fixed on mounting portion side plate, and assist being provided between locking pin and baffle and be sleeved on auxiliary lock
Locking spring on tight pin；Location hole is also provided on guide pin, the positioning pin that can be inserted into or extract is inserted in location hole；It is wherein auxiliary
It helps the top end surface of locking pin and withstands on the lower section of lateral pin.
Further, the features of the present invention also characterized in that：
Wherein positioning pin passes through the side plate of mounting portion to be inserted into location hole, and be cased with return spring on positioning pin, returns
Position spring pocket is located in positioning pin on the inboard portion of mounting portion side plate.
It wherein assists setting fluted on the end face at the top of locking pin, groove is matched with the bottom surface of lateral pin.
Wherein the both ends of lateral pin are inserted into respectively in the guide groove opened up on two side plates of mounting portion, and guide groove is waist type
Hole, and lateral pin can move up and down in the altitude range of waist-shaped hole.
It wherein assists also being provided with location hole on locking pin, location hole is waist-shaped hole, and is led inserted with guide pin on location hole
It is fixed on mounting portion backboard to pin；And auxiliary locking pin can move up and down in the altitude range of location hole.
Another technical solution of the present invention is a kind of application method of above-mentioned automatic unlocking hook, including locked by hooks side
Method and the automatic release methods of hook；Wherein locked by hooks method is：Positioning pin is inserted in location hole, and locking spring is pressed at this time
Contracting, lateral pin be in the bottom of guide groove at this time, and lateral pin is in the lower section of stopper, and in positioning pin insertion location hole, auxiliary lock
Tight pin compression locking spring；Positioning pin is extracted from location hole, and auxiliary locking pin pushes cross pin axis to move upwards, while lateral pin
The upper end of guide groove is moved to, lateral pin is kept off in the front of stopper；Wherein linking up with automatic release methods is：Pull rod is pulled downward on, is drawn
Bar band moving sleeve, sleeve compresses compressed spring, then sleeve drive auxiliary locking pin move down, and the position of location hole with
Positioning pin matches, and positioning pin is inserted under the promotion of return spring in location hole；When the downward pulling force of pull rod is eliminated, unlocking spring
Push down on cross axis pin, lateral pin moves down and moves to the lower section of stopper, so as to Removable hook under gravity around
Shaft rotates, and is disengaged so as to fulfill automatic.
Compared with prior art, the beneficial effects of the invention are as follows：Hook body is connect by shaft with Removable hook, and living
Dynamic hook can be around main axis, and Removable hook coordinates completion locking to connect load with hanger bulk；In mechanism mounting groove
The elastic push-pull configuration of setting, what wherein cross axis pin can consolidate blocks stopper, and makes Removable hook that can not rotate, from
And the locking connection of automatic unlocking hook is realized, and further by the way that locking pin realization is assisted to make in cross pin axial direction
It is mobile, at the same with the crank of cross pin axis connection and connecting rod can direct pull cross pin axis move down, so as to make lateral pin to
Under be moved to below stopper, so as to complete the opening of automatic unlocking hook.
Further, positioning pin is pushed to location hole or by positioning pin from calmly by return spring on positioning pin
When being pulled out in the hole of position, positioning pin can be carried out return, convenient push-and-pull next time by return spring.
Further, assist locking pin top end surface be provided with the matched groove of lateral pin, auxiliary locking pin to
During upper movement, can be realized by groove matched with lateral pin with the close contact of lateral pin, so as to make it to moving up
Deviation will not occur during dynamic.
Further, lateral pin is moved up and down, and realize ten by the guide groove realization opened up on two side plates
Word axis pin is mounted on mounting portion.
Further, the location hole of waist-shaped hole formula and matched guide pin can realize the perpendicular of auxiliary locking pin
Straight movement is played the role of, to assisting locking pin mobile guide, ensureing that auxiliary locking pin can up and down be transported along vertical track
It is dynamic.
Beneficial effects of the present invention also reside in：It is realized by locked by hooks method and connects load with automatic unlocking hook
It connects, specifically by realizing that auxiliary locking pin pushes cross pin axis to move upwards, and lateral pin gear is made to exist to the operation of positioning pin
The front of stopper is realized locked by hooks, so as to complete the connection to load；When the load removal for linking up with automatic unlocking,
For the pulling force received on pull rod by the way that pull rod is pulled to pull sleeve before disappearance, sleeve is downward by sleeve after compressed spring is compressed
It pulls, sleeve drives auxiliary locking pin to move down, so that positioning pin is inserted into location hole；Auxiliary locking pin is to ten at this time
When word axis pin does not have upward thrust, unlocking spring pushes down on cross pin axis, and lateral pin moves downward in guide groove, so as to
Reach the lower section of stopper, so as to which Removable hook is rotated under gravity, so as to fulfill the de- of automatic unlocking hook
It opens.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the front view of the present invention.
In figure：1 is Removable hook；2 be shaft；3 be hook body；4 be guide groove；5 be lateral pin；6 be unlocking spring；7
For cross axis pin；8 be vertical pin；9 be auxiliary locking pin；10 be locking spring；11 be baffle；12 be location hole；The assistant director of a film or play supplemented by 13
To slot；14 be guide pin；15 be mechanism mounting groove；16 be left axis pin；17 be crank；18 be middle axis pin；19 be right axis pin；20 are
Connecting rod；21 be sleeve；22 be compressed spring；23 be pull rod；24 be positioning pin；25 be return spring；26 be pilot hole；27 be hook
Portion；28 be stopper.
Specific embodiment
Technical scheme of the present invention is further illustrated in the following with reference to the drawings and specific embodiments.
The present invention provides a kind of automatic unlocking hooks, as shown in Figure 1, including hook body 3, pass through in hook body 3
Shaft 2 connects Removable hook 1；Specific hook body 3 includes two pars convolutas being arranged in parallel and is connected to below pars convoluta
Mounting portion, the centre of mounting portion are set as mechanism mounting groove 15, and the top of two pars convolutas is provided with shaft 2,2 connection activity of shaft
Hook 1；One end of Removable hook 1 is stopper 28, and stopper 28 passes through the space among two pars convolutas, and the end of stopper 28 is downward
It stretching into mechanism mounting groove 15, the end set of preferred stopper 28 has vertical plane, and the other end of Removable hook 1 is hook portion 27,
Hook portion 27 is symmetrical arranged with stopper 28, and the end set of hook portion 27, on the block of mounting portion, block is arranged on mechanism installation
15 top of slot；Wherein Removable hook 12 can be rotated around the shaft, when hook portion 27 rotates, hook portion 27 and the gear on mounting portion
Block distance and angle increase, and are in an open state at this time, can hang over load in Removable hook 1.
As shown in Figure 1, the flexible push-pull mechanism of setting in mechanism mounting groove 15；Specific elasticity push-pull mechanism includes can
The cross axis pin 7 moved up and down, cross axis pin 7 include lateral pin 5 and vertical pin 8, and mounting portion two is inserted at the wherein both ends of lateral pin 5
On side plate in symmetrically arranged guide groove 4；Vertical pin 8 is vertically arranged with lateral pin 5, and the top of vertical pin 8 is arranged on installing plate upper stopper
Lower section, the bottom end of vertical pin 8 is flexibly connected by left axis pin 16 with one end of crank 17, and the middle part of crank 17 is provided with middle axis pin
18, middle axis pin 18 is fixed on the backboard of installing plate, and the other end of crank 17 is flexibly connected by right axis pin 19 with connecting rod 20,
The both ends of middle crank 17 can be rotated around middle axis pin 18；The bottom end of connecting rod 20 is connect with pull rod 23, the company of pull rod 23 and connecting rod 20
Is cased with sleeve 21, and compressed spring 22 is provided in sleeve 21 outside the place of connecing, compressed spring 22 is sleeved on pull rod 23, pull rod 23 from
The bottom of mounting portion is pierced by；Auxiliary locking pin 9 is also associated on sleeve 21；The bottom end of wherein auxiliary locking pin 9 is connected to sleeve
On 21, the top of auxiliary locking pin 9 is against the lower section of lateral pin 5；And auxiliary guide groove 13 is also provided on auxiliary locking pin 9, it is oriented to
Guide pin 14 is provided in auxiliary tank 13, guide pin 14 is fixed on the backboard of mounting portion；Positioning is also provided on auxiliary locking pin 9
Hole 12, activity is inserted with positioning pin 24 on location hole 12；Auxiliary locking pin 9 also extends through the pilot hole 26 on baffle 11, and assists
Locking spring 10 is cased on locking pin 9, locking spring 10 is arranged between 9 end of baffle 11 and auxiliary locking pin.
Preferably, two symmetrically arranged guide grooves 4 are waist-hole type, and two guide grooves 4 are inserted at the both ends of lateral pin 5 respectively
It is interior, and lateral pin 5 can move up and down in guide groove 4.
Preferably, the end face setting at 9 top of auxiliary locking pin is fluted, and groove matches with lateral pin 5.
Preferably, as shown in Fig. 2, being cased with return spring 25 on positioning pin 24, return spring 25 is stuck in installing plate side plate
On wall.
The present invention also provides the application methods of above-mentioned automatic unlocking hook, automatic de- including locked by hooks method and hook
The extraction of root.
Wherein locked by hooks method includes：Hook is inserted into locking state, i.e. positioning pin 24 in location hole 12 first, this
When auxiliary locking pin 9 cross axis pin 7 is jacked up upwards under the elastic force of locking spring 10, the unlocking spring 6 on vertical pin 8 compresses,
And guide pin 14 is in the topmost of auxiliary guide groove 13, and lateral pin 5 is moved to the topmost of guide groove 4, lateral pin 5 is kept off at this time
Before 28 vertical plane of stopper, the end of hook portion 27 is in the surface of mounting portion upper stopper, and Removable hook 1 can not be around the shaft
2 are rotated.At this point, positioning pin 24 is extracted from location hole 12, auxiliary locking pin 9 is under the action of the contraction of locking spring 10
It moves down, guide pin 14 is in the lowest part of auxiliary guide groove 13 at this time, and the unlocking spring 6 compressed is upheld, cross pin
Axis 7 moves down under the action of unlocking spring 6, and lateral pin 5 is moved to the lowest part of guide groove 4, and lateral pin 5 is in stopper 28
The lower section of vertical plane, so as to be that Removable hook 1 being capable of 2 rotation around the shaft；After being loaded in connection on Removable hook 1, pass through
Pushing up pull rod 23 compresses compressed spring 22, so as to which sleeve 21 be pushed up, and auxiliary locking pin 9 is driven to transport upwards
It is dynamic, location hole 12 is made to be aligned with positioning pin 24, then guide pin 24 is inserted into location hole 12, at this time at the automatic unlocking hook
In locking state described above.
Automatic release methods are wherein linked up with to include：When connecting load on automatic unlocking hook, knot as shown in Figure 1
Structure, it is normal connection status to be inverted, and downward, pull rod 23 is upward for Removable hook 1；Connection load when, 1 end of Removable hook and
23 end of pull rod has two opposite pulling force of the size same direction.When the load at 1 end of Removable hook is eliminated, i.e., on pull rod 23
Pulling force contacts, and unlocking spring 6 pushes cross axis pin 7 at this time, and lateral pin 5 is made to be moved to the other end of guide groove 4, and lateral pin 5 moves
It moves to the lower section of 28 vertical plane of stopper, so as to which the hook portion 27 of Removable hook 1 makes Removable hook 1 around the shaft 2 under gravity
Rotation, so as to fulfill its automatic disengagement.
Claims (6)
1. a kind of automatic unlocking hook, which is characterized in that including hook body (3), hook body (3) includes two pars convolutas and peace
Dress portion has gap between two pars convolutas, mounting portion is connected with below two pars convolutas；The upper end of two pars convolutas passes through shaft (2)
Removable hook (1) is connected, one end of Removable hook (1) is stopper (28), and stopper (28) is passed through from the gap between two pars convolutas
And stretch into the mechanism mounting groove (15) among mounting portion, the other end of Removable hook (1) is hook portion (27), hook portion (27) and gear
Portion (28) is oppositely arranged, and the end set of hook portion (27), in the top of block, block is arranged on mounting portion and two pars convolutas connect
On the position connect；
The flexible push-pull configuration of setting in the mechanism mounting groove (15)；Elastic push-pull configuration includes the cross that can be moved up and down
Axis pin (7), cross axis pin (7) include lateral pin (5) and vertical pin (8), and lateral pin (5) is kept off before the end face of stopper (28), indulges pin (8)
Upper end is contacted with block, and lower end is connected with one end of crank (17)；The middle part of crank (17) is fixed by middle axis pin (18)
On the backboard of mounting portion, the other end of crank (17) is connected with connecting rod (20), the lower end connecting rod of connecting rod (20)
(23), compressed spring (22) and on pull rod (23) is cased with, and sleeve (21) is cased with outside pull rod (23)；Sleeve is connected on (21)
Locking pin (9) is assisted, the upper end of auxiliary locking pin (9) passes through baffle (11) the connection auxiliary locking being fixed on mounting portion side plate
It sells (9), and assists being provided with the locking spring (10) being sleeved on auxiliary locking pin (9) between locking pin (9) and baffle (11)；It leads
Location hole (12) is also provided on pin (14), the positioning pin (24) that can be inserted into or extract is inserted in location hole (12)；Wherein assist
The top end surface of locking pin (9) and the lower section for withstanding on lateral pin (5).
2. automatic unlocking according to claim 1 hook, which is characterized in that the positioning pin (24) is across the side of mounting portion
Plate is inserted into location hole (12), and return spring (25) is cased on positioning pin (24), and return spring (25) is sleeved on positioning pin
(24) on the inboard portion of mounting portion side plate.
3. automatic unlocking hook according to claim 1, which is characterized in that the end face at the top of the auxiliary locking pin (9)
Upper setting is fluted, and groove is matched with the bottom surface of lateral pin (5).
4. automatic unlocking hook according to claim 1, which is characterized in that peace is inserted at the both ends of the lateral pin (5) respectively
In the guide groove (4) opened up on two, dress portion side plate, and guide groove (4) is waist-shaped hole, and lateral pin (5) can be in waist-shaped hole (4)
Altitude range in move up and down.
5. automatic unlocking hook according to claim 1, which is characterized in that it is fixed to be also provided on the auxiliary locking pin (9)
Position hole (12), location hole (12) is waist-shaped hole, and is fixed on peace inserted with guide pin (14), guide pin (14) on location hole (12)
On dress portion backboard；And auxiliary locking pin (9) can move up and down in the altitude range of location hole (12).
6. a kind of application method of automatic unlocking hook as described in claim 1, which is characterized in that including locked by hooks method
With the automatic release methods of hook；
The locked by hooks method is：Positioning pin (24) is inserted in location hole (12), and locking spring (10) is compressed at this time, at this time
Lateral pin (5) is in the bottom of guide groove (4), and lateral pin (5) is in the lower section of stopper (28), and positioning pin (24) is inserted into location hole
(12) in, auxiliary locking pin (9) compresses locking spring (10)；Positioning pin (24) is extracted from location hole (12), assists locking pin
(9) cross pin (7) is pushed to move upwards, while lateral pin (5) is moved to the upper end of guide groove (4), lateral pin (5) is kept off in stopper (28)
Front；
The automatic release methods of the hook are：Pull downward on pull rod (23), pull rod (23) band moving sleeve (21), sleeve (21) compression
Compressed spring (22), then sleeve (21), which drives, assists locking pin (9) to move down, and the position of location hole (12) and positioning
(24) matching is sold, positioning pin (24) is inserted under the promotion of return spring (11) in location hole (12)；The downward drawing of pull rod (23)
When power is eliminated, unlocking spring (6) pushes down on cross pin (7), and lateral pin (5) moves down and moves to the lower section of stopper (28),
So as to Removable hook (1), (2) rotate around the shaft under gravity, are disengaged so as to fulfill automatic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411851.5A CN108167310B (en) | 2017-12-23 | 2017-12-23 | Automatic unlocking hook and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411851.5A CN108167310B (en) | 2017-12-23 | 2017-12-23 | Automatic unlocking hook and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167310A true CN108167310A (en) | 2018-06-15 |
| CN108167310B CN108167310B (en) | 2020-09-08 |
Family
ID=62523863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411851.5A Active CN108167310B (en) | 2017-12-23 | 2017-12-23 | Automatic unlocking hook and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167310B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539911A (en) * | 2020-12-03 | 2021-03-23 | 北京强度环境研究所 | Load applying-unhooking test device in wing body thermal separation process |
| TWI757008B (en) * | 2020-12-24 | 2022-03-01 | 三陽工業股份有限公司 | Hook structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5018254A (en) * | 1990-08-03 | 1991-05-28 | Christer Brodin | Tug release connector |
| JPH0616383A (en) * | 1992-02-18 | 1994-01-25 | Henry Wiklund & Co Ab | Lifting hook |
| JPH0673058U (en) * | 1993-03-31 | 1994-10-11 | 合名会社佐久間製鎖所 | Hook device that is automatically detached by external operation |
| CN1935619A (en) * | 2006-10-10 | 2007-03-28 | 青岛港（集团）有限公司 | Automatic-disengagement hook |
| CN202451582U (en) * | 2011-12-12 | 2012-09-26 | 祥兴(福建)箱包集团有限公司 | Novel fastener of bag belts |
| CN102996609A (en) * | 2011-09-15 | 2013-03-27 | 绩懋精工股份有限公司 | Enhanced type safety hook |
| CN105438917A (en) * | 2015-12-30 | 2016-03-30 | 西安建筑科技大学 | Automatic buckle for connecting ropes |
| US20170274230A1 (en) * | 2014-10-08 | 2017-09-28 | D B Industries, Llc | Snap hook |
| CN206694388U (en) * | 2017-03-21 | 2017-12-01 | 国网福建省电力有限公司 | Suspension hook for standardized freight cableway single-wheel list rope freight trolley |
-
2017
- 2017-12-23 CN CN201711411851.5A patent/CN108167310B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5018254A (en) * | 1990-08-03 | 1991-05-28 | Christer Brodin | Tug release connector |
| JPH0616383A (en) * | 1992-02-18 | 1994-01-25 | Henry Wiklund & Co Ab | Lifting hook |
| JPH0673058U (en) * | 1993-03-31 | 1994-10-11 | 合名会社佐久間製鎖所 | Hook device that is automatically detached by external operation |
| CN1935619A (en) * | 2006-10-10 | 2007-03-28 | 青岛港（集团）有限公司 | Automatic-disengagement hook |
| CN102996609A (en) * | 2011-09-15 | 2013-03-27 | 绩懋精工股份有限公司 | Enhanced type safety hook |
| CN202451582U (en) * | 2011-12-12 | 2012-09-26 | 祥兴(福建)箱包集团有限公司 | Novel fastener of bag belts |
| US20170274230A1 (en) * | 2014-10-08 | 2017-09-28 | D B Industries, Llc | Snap hook |
| CN105438917A (en) * | 2015-12-30 | 2016-03-30 | 西安建筑科技大学 | Automatic buckle for connecting ropes |
| CN206694388U (en) * | 2017-03-21 | 2017-12-01 | 国网福建省电力有限公司 | Suspension hook for standardized freight cableway single-wheel list rope freight trolley |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539911A (en) * | 2020-12-03 | 2021-03-23 | 北京强度环境研究所 | Load applying-unhooking test device in wing body thermal separation process |
| CN112539911B (en) * | 2020-12-03 | 2023-03-10 | 北京强度环境研究所 | Load applying-unhooking test device in wing body thermal separation process |
| TWI757008B (en) * | 2020-12-24 | 2022-03-01 | 三陽工業股份有限公司 | Hook structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108167310B (en) | 2020-09-08 |
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