CN114835000A - Locking mechanism, lifting appliance and operation machine - Google Patents
Locking mechanism, lifting appliance and operation machine Download PDFInfo
- Publication number
- CN114835000A CN114835000A CN202210344323.7A CN202210344323A CN114835000A CN 114835000 A CN114835000 A CN 114835000A CN 202210344323 A CN202210344323 A CN 202210344323A CN 114835000 A CN114835000 A CN 114835000A
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- lock pin
- battery
- locking mechanism
- lock
- lifting
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- 230000007246 mechanism Effects 0.000 title claims abstract description 59
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 11
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the field of new energy, and provides a locking mechanism, a lifting appliance and an operation machine; the locking mechanism comprises a lock pin and a lock sleeve; the head end of the lock pin is provided with a lifting hook used for being connected with a battery, and the tail end of the lock pin is provided with a turntable; the peripheral surface of the lock pin is sleeved with a spring, and two ends of the spring are respectively abutted against the turntable and the lock sleeve; the outer peripheral surface of lockpin is equipped with the arch, and the inner peripheral surface of lock sleeve is equipped with along axial guide way, and the arch can move along the guide way. When the locking mechanism is used, the locking sleeve is arranged on the lifting appliance, and the lock pin penetrates through the lifting appliance to be connected with a battery to be lifted; when the lock is unlocked, the battery is separated from the lock pin, and a lifting hook of the lock pin is propped against the lock sleeve under the action of the spring; when the battery is in a locking state, the lifting hook of the lock pin is connected with the battery and moves along the guide groove under the action of the gravity of the battery, so that the battery is lifted; and the guide way can play and spacing protruding, and then avoid the lockpin rotation in the lock sleeve and rock to the stability that lockpin and battery are connected has been guaranteed.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a locking mechanism, a lifting appliance and an operation machine.
Background
In recent years, new energy vehicles are widely concerned due to the advantages of zero emission, low energy consumption, conformity with sustainable development strategies and the like.
In the field of engineering machinery, large-scale operation machinery generally needs to be matched with a large-capacity battery to meet the working requirement of equipment, the charging time of the battery becomes a primary factor for limiting the development of charging type engineering machinery, and further, the power-change type engineering machinery becomes a research focus. However, at the present stage, the reliability of the locking mechanism of the battery replacement lifting appliance is not ideal, and the battery is easily dropped in the battery replacement process, which affects the smooth proceeding of the battery replacement process.
Therefore, how to improve the reliability of the connection between the locking mechanism and the battery is a difficult problem to be solved in the field at present.
Disclosure of Invention
The invention provides a locking mechanism which is used for solving the defect of unreliable connection between the locking mechanism and a battery in the prior art and can realize smooth replacement of the battery. The invention also provides a lifting appliance which comprises the locking mechanism, so that smooth replacement of the battery can be realized. The invention also provides a working machine, which comprises the lifting appliance, so that the battery can be smoothly replaced.
A first aspect of the present invention provides a lock mechanism including a lock pin and a lock sleeve;
the lock sleeve is arranged on the lifting appliance;
the lock pin is inserted into the lock sleeve, the head end of the lock pin is provided with a lifting hook used for being connected with a battery, and the tail part of the lock pin is provided with a turntable;
a spring is sleeved on the peripheral surface of the lock pin, and two ends of the spring respectively abut against the turntable and the lock sleeve;
the outer circumferential surface of the lock pin is provided with a protrusion, the inner circumferential surface of the lock sleeve is provided with a guide groove along the axial direction, and the protrusion can move along the guide groove.
According to the locking mechanism provided by the invention, the turntable can drive the lock pin to rotate, and two ends of a rotating track of the turntable are respectively a locking position and an unlocking position;
the inner circumferential surface of the lock sleeve is circumferentially provided with a ring groove matched with the protrusion, and the ring groove is communicated with the guide groove and is positioned at the upper end of the guide groove;
when the unlocking position is realized, the spring is in an extension state, the lifting hook is separated from the battery, and the protrusion is positioned in the annular groove;
when the locking position, the spring is in a compressed state, the lifting hook is connected with the battery, and the protrusion is located in the guide groove under the action of the gravity of the battery.
According to the locking mechanism provided by the invention, the two guide grooves and the two protrusions are matched.
The locking mechanism further comprises a driving piece, and the driving piece is used for driving the rotating disc to switch between the unlocking position and the locking position.
According to the locking mechanism provided by the invention, the driving piece is an electric cylinder, and the cylinder seat end of the electric cylinder is hinged with the lifting appliance;
the telescopic end of the electric cylinder is hinged with the rotary table and can drive the rotary table to rotate by taking the lock pin as a shaft.
The locking mechanism further comprises a limiting piece connected with the telescopic end of the electric cylinder;
the limiting piece is hinged with the rotary table;
a first stop block and a second stop block are respectively arranged at two ends of the limiting piece; the peripheral surface of the rotary table is provided with a first latch and a second latch;
when the lock is in the unlocking position, the first stop block abuts against the first clamping tooth;
and when the locking position is realized, the second stop block is abutted against the second latch.
The locking mechanism provided by the invention further comprises a linkage rod;
the lock pin, the turntable, the lock sleeve and the spring are matched;
Two ends of the linkage rod are respectively hinged with the two turntables;
and the telescopic end of the electric cylinder is hinged with the linkage rod.
According to the locking mechanism provided by the invention, the limiting pieces are arranged at the two ends of the linkage rod;
the two limiting parts are respectively hinged with the two rotating discs.
A second aspect of the invention provides a spreader comprising a locking mechanism as defined in any one of the above;
the lifting appliance comprises a lifting platform and a lifting rod arranged on the lifting platform, and the lock sleeve is arranged on the lifting platform.
A third aspect of the invention provides a working machine comprising a spreader as described above.
The locking mechanism provided by the invention comprises a lock pin and a lock sleeve; the lock sleeve is arranged on the lifting appliance; the lock pin is inserted into the lock sleeve, the head end of the lock pin is provided with a lifting hook used for being connected with the battery, and the tail end of the lock pin is provided with a turntable; the peripheral surface of the lock pin is sleeved with a spring, and two ends of the spring are respectively abutted against the turntable and the lock sleeve; the outer peripheral surface of lockpin is equipped with the arch, and the inner peripheral surface of lock sleeve is equipped with along axial guide way, and the arch can move along the guide way. When the locking mechanism is used, the locking sleeve is arranged on the lifting appliance, and the lock pin penetrates through the lifting appliance to be connected with a battery to be lifted; when the lock is unlocked, the battery is separated from the lock pin, and a lifting hook of the lock pin is propped against the lock sleeve under the action of the spring; when the battery is in a locking state, the lifting hook of the lock pin is connected with the battery and moves along the guide groove under the action of the gravity of the battery, so that the battery is lifted; and the guide way can play and spacing protruding, and then avoid the lockpin rotation in the lock sleeve and rock to the stability that lockpin and battery are connected has been guaranteed. Therefore, the locking mechanism provided by the invention can improve the reliability of the connection between the locking mechanism and the battery, and solves the problem in the field at the present stage.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic illustration of an unlocked state of a locking mechanism in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the latch mechanism in an unlocked state in accordance with an embodiment of the present invention;
FIG. 3 is a top view of the latch mechanism in an unlocked state in accordance with an embodiment of the present invention;
FIG. 4 is a schematic illustration of a locking mechanism in a locked state in accordance with an embodiment of the present invention;
FIG. 5 is a cross-sectional view of the locking mechanism in a locked state in accordance with an embodiment of the present invention;
FIG. 6 is a top view of the locking mechanism in a locked position in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of the linkage locking mechanism in an unlocked state in accordance with an embodiment of the present invention;
FIG. 8 is a top view of the linkage locking mechanism in an unlocked state in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of the linkage locking mechanism in a locked state in accordance with an embodiment of the present invention;
FIG. 10 is a top view of the linkage locking mechanism in a locked state in accordance with an embodiment of the present invention;
FIG. 11 is a perspective view of a lock sleeve according to an embodiment of the present invention;
FIG. 12 is a front view of a lock sleeve in accordance with an embodiment of the present invention;
FIG. 13 is a cross-sectional view A-A of FIG. 12 according to an embodiment of the present invention;
figure 14 is a schematic view of a locking pin in accordance with an embodiment of the present invention.
Reference numerals:
1: a lock pin; 2: a lock sleeve; 3: a hook; 4: a turntable; 5: a spring; 6: a protrusion; 7: a guide groove; 8: a ring groove; 9: a drive member; 10: a cylinder block end; 11: a telescopic end; 12: a limiting member; 13: a first stopper; 14: a second stopper; 15: a first latch; 16: a second latch; 17: a linkage rod; 18: a connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes the lock mechanism, the spreader, and the working machine in this embodiment with reference to fig. 1 to 14.
The locking mechanism provided by the embodiment comprises a lock pin 1 and a lock sleeve 2; the lock sleeve 2 is arranged on the lifting appliance; the lock pin 1 is inserted into the lock sleeve 2, the head end of the lock pin 1 is provided with a lifting hook 3 used for being connected with a battery, and the tail end of the lock pin 1 is provided with a turntable 4; the peripheral surface of the lock pin 1 is sleeved with a spring 5, and two ends of the spring 5 respectively abut against the rotary disc 4 and the lock sleeve 2; the outer peripheral surface of the lock pin 1 is provided with a protrusion 6, the inner peripheral surface of the lock sleeve 2 is provided with a guide groove 7 along the axial direction, and the protrusion 6 can move along the guide groove 7.
When the locking mechanism is used, the lock sleeve 2 is arranged on the lifting appliance, and the lock pin 1 penetrates through the lifting appliance to be connected with a battery to be lifted; when the lock is unlocked, the battery is separated from the lock pin 1, and the lifting hook 3 of the lock pin 1 is propped against the lock sleeve 2 under the action of the spring 5; when the locking device is in a locking state, the lifting hook 3 of the locking pin 1 is connected with the battery and moves along the guide groove 7 under the action of the gravity of the battery, so that the battery is lifted; and the guide groove 7 can play a role in limiting the bulge 6, so that the lock pin 1 is prevented from rotating and shaking in the lock sleeve 2, and the stability of the connection of the lock pin 1 and a battery is ensured.
Therefore, the locking mechanism provided by the invention can improve the reliability of the connection between the locking mechanism and the battery, and solves the problem in the field at the present stage.
In the locking mechanism provided by the embodiment, the turntable 4 can drive the lock pin 1 to rotate, and the connection between the hook 3 and the battery and the separation between the hook 3 and the battery can be realized through the rotation of the lock pin 1. The two ends of the rotating track of the rotating disc 4 can be respectively a locking position and an unlocking position, wherein the locking position refers to the state that the lifting hook 3 is connected with the battery, and the unlocking position refers to the state that the lifting hook 3 is separated from the battery.
The turntable 4 needs to rotate 90 degrees from the locking position to the unlocking position, namely, the locking pin 1 is taken as the center, and the included angle between the locking position and the unlocking position is 90 degrees; or other degrees that can serve an equivalent purpose, depending on the circumstances.
Further, the inner circumferential surface of the lock sleeve 2 may be circumferentially provided with a ring groove 8 matched with the protrusion 6, and the ring groove 8 is communicated with the guide groove 7 and is located at the upper end of the guide groove 7.
In more detail, in an unlocking state, under the action of the spring 5, the protrusion 6 is positioned in the ring groove 8, when the rotary table 4 drives the lock pin 1 to rotate, the protrusion 6 can rotate in the ring groove 8, and meanwhile, the hook 3 is connected with the battery in a matching manner; when the rotary disc 4 rotates to the locking position, the hook 3 of the lock pin 1 is connected with the battery, and the bulge 6 is positioned at the position where the ring groove 8 is communicated with the guide groove 7. Furthermore, when the locking mechanism is lifted by the lifting appliance, the lock pin 1 moves downwards under the action of the gravity of the battery, meanwhile, the bulge 6 moves downwards along the guide groove 7, and the spring 5 is compressed until the battery is lifted.
After the lifting, the lifting hook 3 of the lock pin 1 and the battery are in a hooked state, only the rotation of the lock pin 1 can separate the two, and the protrusion 6 is matched with the guide groove 7 to limit the rotation of the lock pin 1, so that the locking connection between the lock pin 1 and the battery is realized, and the risk of battery falling in the battery replacement process is eliminated.
In conclusion, in the unlocking position, the spring 5 is in the stretching state, the hook 3 is separated from the battery, and the protrusion 6 is positioned in the ring groove 8; in the rotating process of the rotating disc 4, the lock pin 1 rotates in the lock sleeve 2, and meanwhile, the bulge 6 rotates along the annular groove 8, so that the connection between the hook 3 and the battery is realized; when the locking position, spring 5 is in compression state, and lifting hook 3 is connected with the battery, and arch 6 is located guide way 7 to remove along guide way 7 under the battery action of gravity, and then realize lifting by crane the battery.
This embodiment provides a locking mechanism, guide way 7 and arch 6 can be two assorted, and then realize protruding 6 and guide way 7 in two positions and block the cooperation, and then the rotation of better restriction lockpin 1, guarantee the stability that lockpin 1 and battery are connected.
The locking mechanism provided by the present embodiment may further include a driving member 9, where the driving member 9 is configured to drive the rotating disc 4 to switch between the unlocking position and the locking position. The existence of driving piece 9 can drive carousel 4 and rotate, and then makes carousel 4 switch between unblock position and locking position to improve the automatic performance of locking mechanism.
Further, in the locking mechanism, the driving member 9 may be an electric cylinder, and a cylinder seat end 10 of the electric cylinder is used for being hinged to a lifting appliance; the telescopic end 11 of the electric cylinder can be hinged with the rotary table 4 and can drive the rotary table 4 to rotate by taking the lock pin 1 as an axis.
That is, the cylinder base end 10 of the electric cylinder can be arranged on the lifting appliance through hinging, the telescopic end 11 of the electric cylinder can be hinged with the rotary table 4, and then the reciprocating rotation of the rotary table 4 can be driven through the telescopic of the telescopic end 11, so that the rotary table 4 can be switched between the unlocking position and the locking position, and then the lock pin 1 is driven to rotate, and therefore the lifting hook 3 can be connected with and separated from the battery.
The driving member 9 may be a cylinder, or other driving elements capable of performing the same function.
The locking mechanism provided in this embodiment may further include a limiting member 12 connected to the telescopic end 11 of the electric cylinder; the telescopic end 11 of the electric cylinder can be hinged with the rotary table 4 through a limiting piece 12. Further, two ends of the limiting member 12 may be respectively provided with a first stopper 13 and a second stopper 14; similarly, the outer peripheral surface of the rotary plate 4 may be provided with a first latch 15 and a second latch 16.
When the electric cylinder is in the unlocking position, the first stop block 13 can abut against the first latch 15, namely when the telescopic end 11 of the electric cylinder drives the rotating disc 4 to rotate to the unlocking position, the first stop block 13 can abut against the first latch 15, so that the rotating disc 4 is limited to continue rotating; in a similar way, when the locking position, the second stop block 14 can offset with the second latch 16, namely when the telescopic end 11 of the electric cylinder drives the rotary table 4 to rotate to the locking position, the second stop block 14 can offset with the second latch 16, so that the rotary table 4 is limited to continue rotating, the stability of the connection of the lock pin 1 and the battery is further ensured, and the situation that the battery is shaken or dropped during the replacement process is avoided.
The locking mechanism provided by the specific embodiment can further comprise a linkage rod 17, and the lock pin 1, the turntable 4, the lock sleeve 2 and the spring 5 are matched in two; two ends of the linkage rod 17 can be respectively hinged with the two turntables 4; and the telescopic end 11 of the electric cylinder can be hinged with the linkage rod 17.
That is to say, the telescopic end 11 of the electric cylinder can drive the two turntables 4 to rotate through the linkage rod 17, and then the connection or the disconnection of the two lock pins 1 and the battery can be synchronously realized.
By adopting the design of the linkage rod 17, firstly, the number of the positions for connecting the locking mechanism and the battery can be increased, and further, the connection stability and reliability are increased; secondly, the two sets of locking structures synchronously realize locking or unlocking in a linkage mode, wherein one locking structure is in a locking state, namely the other locking structure is also in a locking state, so that the stability of the connection between the lock pin 1 and the battery is further improved, the control mode of the driving piece 9 to the two sets of locking structures is simplified, and the battery replacement efficiency is improved.
Further, the telescopic end 11 of the electric cylinder can be connected with the linkage rod 17 through a connecting plate 18, wherein the connecting plate 18 is fixed with the linkage rod 17, the telescopic end 11 of the electric cylinder is hinged with the connecting plate 18, and the linkage rod 17 is driven to move through the connecting plate 18 under the driving of the telescopic end 11 of the electric cylinder, so that the two turntables 4 are driven. The arrangement of the connecting plate 18 can optimize the spatial arrangement of the electric cylinders on the lifting appliance.
In the locking mechanism provided by the present embodiment, both ends of the linkage rod 17 may be provided with limiting members 12; and two locating parts 12 are articulated with two carousels 4 respectively, and two locating parts 12 and two carousels 4 all can be through the cooperation of first dog 13 and first latch 15 and the cooperation of second dog 14 and second latch 16, realize the spacing to carousel 4 pivoted position to guarantee that two lockpins 1 all can realize reliable being connected with the battery, guarantee to trade going on smoothly of electricity process.
The present invention also provides a lifting device, which may include the above-mentioned locking mechanism, and therefore, the lifting device is also within the scope of the present invention. The lifting appliance can comprise a lifting platform and a lifting rod arranged on the lifting platform, and the lock sleeve 2 can be arranged on the lifting platform.
The present invention also provides a working machine, which may include the above-mentioned spreader, and therefore, the working machine is also within the scope of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A locking mechanism is characterized by comprising a lock pin (1) and a lock sleeve (2);
the lock sleeve (2) is arranged on a lifting appliance;
the lock pin (1) is inserted into the lock sleeve (2), the head end of the lock pin (1) is provided with a lifting hook (3) used for being connected with a battery, and the tail end of the lock pin is provided with a turntable (4);
a spring (5) is sleeved on the peripheral surface of the lock pin (1), and two ends of the spring (5) are respectively abutted against the turntable (4) and the lock sleeve (2);
the lock pin is characterized in that a protrusion (6) is arranged on the outer peripheral surface of the lock pin (1), an axial guide groove (7) is formed in the inner peripheral surface of the lock sleeve (2), and the protrusion (6) can move along the guide groove (7).
2. The locking mechanism according to claim 1, characterized in that the rotary disc (4) can drive the lock pin (1) to rotate, and the two ends of the rotation track of the rotary disc (4) are respectively a locking position and an unlocking position;
an annular groove (8) matched with the protrusion (6) is formed in the inner circumferential surface of the lock sleeve (2) along the circumferential direction, and the annular groove (8) is communicated with the guide groove (7) and is located at the upper end of the guide groove (7);
when the unlocking position is realized, the spring (5) is in an extension state, the lifting hook (3) is separated from a battery, and the bulge (6) is positioned in the annular groove (8);
When the locking position, spring (5) is in compression state, lifting hook (3) are connected with the battery, protruding (6) are in under the battery action of gravity be located guide way (7).
3. Locking mechanism according to claim 2, characterized in that the guide groove (7) and the protrusion (6) are each two matching ones.
4. The locking mechanism according to claim 2, further comprising a drive member (9), the drive member (9) being adapted to move the turntable (4) between the unlocked position and the locked position.
5. The locking mechanism according to claim 4, characterized in that the driving member (9) is an electric cylinder, the cylinder block end (10) of which is intended to be articulated with the spreader;
the telescopic end (11) of the electric cylinder is hinged with the rotary table (4) and can drive the rotary table (4) to rotate by taking the lock pin (1) as a shaft.
6. The locking mechanism according to claim 5, further comprising a stopper (12) connected to the telescopic end (11) of the electric cylinder;
the limiting piece (12) is hinged with the rotary disc (4);
a first stop block (13) and a second stop block (14) are respectively arranged at two ends of the limiting piece (12); the peripheral surface of the rotary table (4) is provided with a first latch (15) and a second latch (16);
When the lock is in the unlocking position, the first stop block (13) is abutted against the first latch (15);
in the locked position, the second stop (14) abuts against the second latch (16).
7. The locking mechanism of claim 6, further comprising a linkage bar (17);
the lock pin (1), the rotary disc (4), the lock sleeve (2) and the spring (5) are matched;
two ends of the linkage rod (17) are respectively hinged with the two turntables (4);
the telescopic end (11) of the electric cylinder is hinged with the linkage rod (17).
8. The locking mechanism according to claim 7, characterized in that both ends of the linkage rod (17) are provided with the limiting members (12);
the two limiting parts (12) are respectively hinged with the two rotating discs (4).
9. A spreader comprising a locking mechanism according to any of claims 1 to 8;
the lifting appliance comprises a lifting platform and a lifting rod arranged on the lifting platform, and the lock sleeve (2) is arranged on the lifting platform.
10. A work machine, characterized in that the work machine comprises a spreader according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210344323.7A CN114835000B (en) | 2022-03-31 | 2022-03-31 | Locking mechanism, lifting appliance and operation machine |
| PCT/CN2023/084477 WO2023185876A1 (en) | 2022-03-31 | 2023-03-28 | Locking mechanism, lifting appliance, and work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210344323.7A CN114835000B (en) | 2022-03-31 | 2022-03-31 | Locking mechanism, lifting appliance and operation machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114835000A true CN114835000A (en) | 2022-08-02 |
| CN114835000B CN114835000B (en) | 2023-03-03 |
Family
ID=82564607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210344323.7A Active CN114835000B (en) | 2022-03-31 | 2022-03-31 | Locking mechanism, lifting appliance and operation machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114835000B (en) |
| WO (1) | WO2023185876A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185876A1 (en) * | 2022-03-31 | 2023-10-05 | 三一重工股份有限公司 | Locking mechanism, lifting appliance, and work machine |
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| BE688292A (en) * | 1965-10-15 | 1967-04-14 | ||
| US3749438A (en) * | 1971-04-05 | 1973-07-31 | Fruehauf Corp | Twist lock |
| US4444426A (en) * | 1980-03-26 | 1984-04-24 | Taylor Richard J | Locking device assembly of a lifting beam or spreader particularly for containers |
| JPH0940351A (en) * | 1995-07-27 | 1997-02-10 | Ishikawajima Harima Heavy Ind Co Ltd | Spreader for container |
| DE19632181C1 (en) * | 1996-08-09 | 1997-09-18 | Dieter Gloos | Spreader with lifting drive mechanism, control unit and twist-locks |
| US20020149216A1 (en) * | 2001-03-02 | 2002-10-17 | Manuel Teixeira | Lifting device and stress sensor therefor |
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| CN214611135U (en) * | 2020-12-15 | 2021-11-05 | 宜宾科易换电科技有限公司 | Lifting appliance locking device |
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| CN213684869U (en) * | 2020-09-25 | 2021-07-13 | 重庆南方迪马专用车股份有限公司 | Locking bolt |
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| CN114835000B (en) * | 2022-03-31 | 2023-03-03 | 三一重工股份有限公司 | Locking mechanism, lifting appliance and operation machine |
| CN217051251U (en) * | 2022-03-31 | 2022-07-26 | 三一重工股份有限公司 | Lifting appliance and operation machine |
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| US20020149216A1 (en) * | 2001-03-02 | 2002-10-17 | Manuel Teixeira | Lifting device and stress sensor therefor |
| CN101475122A (en) * | 2009-01-20 | 2009-07-08 | 常州市南港港口机械有限公司 | Locking and unlocking mechanism of electric container sling |
| CN102070075A (en) * | 2009-11-23 | 2011-05-25 | 杨征华 | Twistlock pushing spinning lifting appliance |
| CN201610347U (en) * | 2010-02-08 | 2010-10-20 | 施尧尧 | Unlocking and locking device of lifting appliance |
| GB201315924D0 (en) * | 2013-09-06 | 2013-10-23 | Strainstall Uk Ltd | Twist-lock collar |
| CN103523664A (en) * | 2013-09-27 | 2014-01-22 | 三一集团有限公司 | Single-girder lifting appliance and reach stacker |
| CN104444142A (en) * | 2014-11-28 | 2015-03-25 | 常州银河创新磁电有限公司 | Rotary table pin indexing positioning mechanism |
| CN112573362A (en) * | 2020-12-15 | 2021-03-30 | 宜宾科易换电科技有限公司 | Rotary locking mechanism for lifting appliance |
| CN214399527U (en) * | 2020-12-15 | 2021-10-15 | 宜宾科易换电科技有限公司 | Rotary locking mechanism for lifting appliance |
| CN214611135U (en) * | 2020-12-15 | 2021-11-05 | 宜宾科易换电科技有限公司 | Lifting appliance locking device |
| CN214456228U (en) * | 2020-12-31 | 2021-10-22 | 宁波梅山岛国际集装箱码头有限公司 | Electric lifting appliance opening and closing mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185876A1 (en) * | 2022-03-31 | 2023-10-05 | 三一重工股份有限公司 | Locking mechanism, lifting appliance, and work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114835000B (en) | 2023-03-03 |
| WO2023185876A1 (en) | 2023-10-05 |
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