CN202991727U - Locking device and engineering machine - Google Patents
Locking device and engineering machine Download PDFInfo
- Publication number
- CN202991727U CN202991727U CN 201220711170 CN201220711170U CN202991727U CN 202991727 U CN202991727 U CN 202991727U CN 201220711170 CN201220711170 CN 201220711170 CN 201220711170 U CN201220711170 U CN 201220711170U CN 202991727 U CN202991727 U CN 202991727U
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- CN
- China
- Prior art keywords
- locking device
- lock pin
- electromagnet
- engineering machinery
- housing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a locking device and an engineering machine. The locking device comprises a lock pin, an electromagnet and a shell; and the lock pin is movably arranged in the shell, the electromagnet is mounted at a first end of the shell, a first end of the lock pin faces the first end of the shell, and a second end of the lock pin is protruded to the outer portion of the shell from an opening of the shell. When the electromagnet in the locking device is electrified, the lock pin is sucked upwardly so as to unlock a component; and when the electromagnet is powered off, the lock pin moves downward under the action of the gravity of the lock pin, so that the component is locked, automatic control can be implemented easily, the locking device is quite convenient to operate, troublesome manual operation is omitted, and the work efficiency is improved. Besides, the locking device and the engineering machine have the advantages of simple structure, convenience in machining and high controllability.
Description
Technical field
The utility model relates to mechanical field, more specifically, relates to a kind of locking device and engineering machinery.
Background technique
As shown in Figure 1, the leg section of engineering machinery of the prior art (such as hoist etc.) adopts the locking device 80 of manually operated type to lock.For example, the leg section 70 of engineering machinery is entirely being stretched, is partly being stretched, during full reduced state, locking device 80 manually can inserted the lockhole on the movable supporting legs of leg section 70, to realize the locking of movable supporting legs.But this lock mode of the prior art exists that efficient is not high, the problem of complex operation, each operation all need the driver manually operation complete.
The model utility content
The utility model aims to provide a kind of locking device and engineering machinery, and prior art efficient is not high to solve, the problem of complex operation.
For solving the problems of the technologies described above, according to first aspect of the present utility model, provide a kind of locking device, comprising: lock pin; Electromagnet; Housing, lock pin are arranged in housing actively, and electromagnet is arranged on the first end of housing, and the first end of lock pin is towards the first end of housing, and the second end of lock pin is arranged the outside of ground housing highlightedly by the opening of housing.
Further, but locking device also comprises the rolling element that is connected with the second end pivotable of lock pin.
Further, locking device also comprises the baffle plate of the second end that is arranged on housing, and opening is opened on baffle plate, and the middle part of lock pin is provided with spacing convex, and the radial dimension of spacing convex is greater than the radial dimension of opening.
Further, locking device also comprises mounting plate, and electromagnet is connected with the first end of housing by mounting plate.
Further, offer the opening that the first end for lock pin passes through on mounting plate.
According to second aspect of the present utility model, a kind of engineering machinery is provided, comprise control unit, have the leg section of at least one joint movable supporting legs and be arranged on locking device on leg section, this locking device is above-mentioned locking device, control unit is connected with the electromagnet of locking device, is used for controlling electromagnet and whether produces magnetic force.
Further, control unit comprises: drive portion is electrically connected to electromagnet; And control device, be connected with the drive portion communication, being used for controlling drive portion provides electric current to electromagnet.
Further, control device is remote controller.
Further, engineering machinery also comprises the locked position detection unit, is electrically connected to control unit, is used for sending the locked position index signal to control unit when leg section being detected and move to locked position.
Further, but engineering machinery also comprises the rolling element that is connected with the second end pivotable of the lock pin of locking device, leg section comprises a joint movable supporting legs, be provided with on movable supporting legs three correspond respectively to leg section full reduced, partly stretch and entirely stretch the lockhole of three working staties, the outside dimension of rolling element is less than the size of three lockholes.
Electromagnet in the utility model gets when electric, lock pin is upwards picked up, to realize release; When the electromagnet dead electricity, lock pin moves downward under himself action of gravitation, thereby realizes locking, not only be easy to realize the automation controlled, and it is very convenient to operate, and no longer needs manually to carry out loaded down with trivial details operation, has improved working efficiency.In addition, the utlity model has characteristics simple in structure, easy to process, that maneuverability is strong.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the scheme of installation of the leg section of locking device of the prior art and engineering machinery;
Fig. 2 has schematically shown the schematic diagram of the locking device in the utility model;
Fig. 3 has schematically shown a partial schematic diagram of the leg section of the engineering machinery that has adopted the locking device in the utility model; And
Fig. 4 has schematically shown another partial schematic diagram of the leg section of the engineering machinery that has adopted the locking device in the utility model.
Reference character in figure: 10, lock pin; 11, spacing convex; 20, electromagnet; 30, housing; 40, rolling element; 50, baffle plate; 60, mounting plate; 70, leg section; 71, fixed supporting leg; 72, movable supporting legs; 80, locking device; 90, vehicle frame; 91, Vertical Cylinders; 92, lockhole.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, a kind of locking device is provided, especially, can be used for the leg section of engineering machinery (such as hoist etc.) is locked.As shown in Figure 2, this locking device comprises: lock pin 10; Electromagnet 20; Housing 30, lock pin 10 are arranged in housing 30 actively, and electromagnet 20 is arranged on the first end of housing 30, and the first end of lock pin 10 is towards the first end of housing 30, and the second end of lock pin 10 is arranged the outside of ground housing 30 highlightedly by the opening of housing 30.
When in work, leg section needs release, electromagnet 20 is got electric, lock pin 10 is upwards picked up, to realize release; After release, make electromagnet 20 dead electricity, lock pin 10 moves downward under himself action of gravitation, contact with the movable supporting legs upper surface of leg section, when movable supporting legs was retractable to desired location, lock pin 10 was aimed at the lockhole of movable supporting legs, realized locking under the self gravitation of lock pin.Take hoist as example, lock pin 10 can be installed on vehicle frame, and the lockhole that the second end for lock pin 10 enters is set on the fixed supporting leg of its leg section.Simultaneously, corresponding to the place of locked position, the lockhole that coordinates with lockhole on fixed supporting leg is being set on movable supporting legs.When movable supporting legs is flexible, electromagnet is in power failure state, lock pin 10 contacts with the movable supporting legs upper surface by the lockhole on fixed supporting leg under the effect of self gravitation, during to locked position, lockhole on movable supporting legs aligns with lockhole on fixed supporting leg, lock pin 10 inserts the lockhole on movable supporting legs under himself action of gravitation, to realize the function of locking.When needs unlock, make electromagnet 20 electric, so lock pin 10 moves upward, and break away from lockhole on movable supporting legs under the effect of the suction of electromagnet 20, thereby realize the function of release.Therefore, utilize electromagnet can realize leg section etc. is needed the locking of the parts of locking, and be easy to realize operate the automation controlled very convenient, no longer need manually to carry out loaded down with trivial details operation, improved working efficiency.In addition, the utlity model has characteristics simple in structure, easy to process, that maneuverability is strong.
Preferably, but locking device also comprises the rolling element 40 that is connected with the second end pivotable of lock pin 10.Rolling element 40 makes lock pin 10 and the sliding friction of movable supporting legs upper surface transfer rolling friction to.
Preferably, please refer to Fig. 2, locking device also comprises the baffle plate 50 of the second end that is arranged on housing 30, and opening is opened on baffle plate 50.The middle part of lock pin 10 is provided with spacing convex 11, and the radial dimension of spacing convex 11 is greater than the radial dimension of opening.Can realize preventing spacing to lock pin 10 that the motion of lock pin 10 from exceeding predetermined scope, thereby improved the reliability of system by baffle plate 50.Certainly, also can not use baffle plate 50, and directly utilize the lockhole on parts such as being opened in leg section to realize spacing function.Spacing convex 11 is subjected to the effect of baffle plate 50 and can only moves in predetermined scope.In addition, spacing convex 11 can also be used for preventing the excessively action of lock pin 10 under off-position, as falls in the inner chamber of movable supporting legs.
Preferably, please refer to Fig. 2, locking device also comprises mounting plate 60, and electromagnet 20 is connected with the first end of housing 30 by mounting plate 60.Can easily and reliably electromagnet 20 be installed on housing 30 by mounting plate 60.Preferably, offer the opening that the first end for lock pin 10 passes through on mounting plate 60.Owing to being provided with this opening, therefore, the first end that is arranged on lock pin 10 is in contact with one another when the adhesive by this opening and electromagnet 20, thus the adsorption force when having increased adhesive, former thereby split away off due to vibration etc. to prevent lock pin 10, cause the problem of mistake locking.
As second aspect of the present utility model, please refer to Fig. 3 and Fig. 4, a kind of engineering machinery is provided, has comprised control unit, have the leg section 70 of at least one joint movable supporting legs and be arranged on locking device on leg section 70, this locking device is above-mentioned locking device.Control unit is connected with the electromagnet 20 of locking device, is used for controlling electromagnet 20 and whether produces magnetic force.For example, whether control unit can be controlled provides electric current to electromagnet 20, and after providing electric current to electromagnet 20, electromagnet 20 gets electric, produces suction; Otherwise electromagnet 20 dead electricity do not produce suction.
During work, when leg section 70 moves to locked position, by the operation to this locking device, make its electromagnet 20 dead electricity, thereby lock pin 10 is moved downward under its action of gravitation, and in the lockhole on insertion leg section 70, realize the function of locking.Otherwise, when the needs release, electromagnet 20 is got electric, lock pin 10 is moved upward, and leave the lockhole on leg section 70, thereby realize the function of release.
Preferably, leg section 70 comprises fixed supporting leg 71 and movable supporting legs 72, this project machinery also comprises vehicle frame 90, fixed supporting leg 71 is connected with vehicle frame 90, movable supporting legs 72 is connected with fixed supporting leg 71 telescopicallies by oil cylinder etc., free end at movable supporting legs 72 is provided with Vertical Cylinders 91, and operation of vertical oil cylinder 91 can push up vehicle frame 90 overhead.Preferably, locking device 80 can be arranged on the rear side of vehicle frame 90, the front side of vehicle frame 90 or the positions such as below of vehicle frame 90.
Preferably, but engineering machinery also comprises the rolling element 40 that is connected with the second end pivotable of the lock pin 10 of locking device, leg section 70 comprises a joint movable supporting legs 72, be provided with on movable supporting legs 72 three correspond respectively to leg section 70 full reduced, partly stretch and entirely stretch the lockhole 92 of three working staties, the outside dimension of rolling element 40 is less than the size of three lockholes 92.Preferably, lockhole 92 can be waist shaped hole, to adapt to the shape of rolling element 40.Along with the motion of movable supporting legs 72,, if want to realize the function that locks, decide device 80 with regard to operable locks and enter lock state when lockhole on fixed supporting leg 71 aligns when lockhole 92, at this moment, the lock pin 10 of locking device 80 inserts in lockholes 92, to realize locking.When the needs release, lock pin 10 is moved upward, and break away from lockhole 92, can realize release.Especially, a plurality of lockholes 92 can be set on movable supporting legs 72, full reduced to correspond respectively to, as entirely to stretch and partly stretch etc. state locking.
Preferably, control unit comprises: drive portion is electrically connected to electromagnet 20; And control device, be connected with the drive portion communication, being used for controlling drive portion provides electric current to electromagnet 20.Drive portion can be used for producing the electric current for DM 20, and it can adopt various electromagnet driving device of the prior art to realize.Preferably, control device can be remote controller, can certainly be mounted in the interior functional unit of operator cabin of engineering machinery.Use a teleswitch, can realize in the outside of engineering machinery easily operating the function of locking and release very convenient.
Preferably, engineering machinery also comprises the locked position detection unit, is electrically connected to control unit, is used for sending the locked position index signal to control unit when leg section 70 being detected and move to locked position.For example, the locked position detection unit can be encoder, position limit switch etc.Utilize the locked position detection unit, the movement position of detected activity supporting leg 72 at any time, when the lockhole 92 on movable supporting legs 72 move to fixed supporting leg 71 on lockhole or locking device align the position time, the locked position detection unit sends the locked position index signal to control unit, so operator can be according to this locked position index signal operational lock device to realize the function of locking.Certainly, also can not use lock detection unit, and directly adopt the mode of range estimation to determine whether to have moved to locked position, operate so also very convenient.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a locking device, is characterized in that, comprising:
Lock pin (10);
Electromagnet (20);
Housing (30), described lock pin (10) is arranged in described housing (30) actively, described electromagnet (20) is arranged on the first end of described housing (30), the first end of described lock pin (10) is towards the first end of described housing (30), and the second end of described lock pin (10) is arranged the outside of the described housing in ground (30) highlightedly by the opening of described housing (30).
2. locking device according to claim 1, is characterized in that, described locking device also comprise with described lock pin (10) but the rolling element (40) that is connected of the second end pivotable.
3. locking device according to claim 1 and 2, it is characterized in that, described locking device also comprises the baffle plate (50) of the second end that is arranged on described housing (30), described opening is opened on described baffle plate (50), the middle part of described lock pin (10) is provided with spacing convex (11), and the radial dimension of described spacing convex (11) is greater than the radial dimension of described opening.
4. locking device according to claim 1 and 2, is characterized in that, described locking device also comprises mounting plate (60), and described electromagnet (20) is connected with the first end of described housing (30) by described mounting plate (60).
5. locking device according to claim 4, is characterized in that, offers the opening that passes through of first end for described lock pin (10) on described mounting plate (60).
6. engineering machinery, comprise control unit, have the leg section (70) of at least one joint movable supporting legs and be arranged on locking device on described leg section (70), it is characterized in that, described locking device is the described locking device of any one in claim 1 to 5
Described control unit is connected with the electromagnet (20) of described locking device, is used for controlling described electromagnet (20) and whether produces magnetic force.
7. engineering machinery according to claim 6, is characterized in that, described control unit comprises:
Drive portion is electrically connected to described electromagnet (20); With
Control device is connected with described drive portion communication, and being used for controlling described drive portion provides electric current to described electromagnet (20).
8. engineering machinery according to claim 7, is characterized in that, described control device is remote controller.
9. engineering machinery according to claim 6, it is characterized in that, described engineering machinery also comprises the locked position detection unit, is electrically connected to described control unit, is used for sending the locked position index signal to described control unit when moving to locked position described leg section (70) being detected.
10. engineering machinery according to claim 6, it is characterized in that, described engineering machinery also comprise with the lock pin (10) of described locking device but the rolling element (40) that is connected of the second end pivotable, described leg section (70) comprises a joint movable supporting legs (72), be provided with on described movable supporting legs (72) three correspond respectively to described leg section (70) full reduced, partly stretch and entirely stretch the lockhole of three working staties, the outside dimension of described rolling element (40) is less than the size of described three lockholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711170 CN202991727U (en) | 2012-12-20 | 2012-12-20 | Locking device and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711170 CN202991727U (en) | 2012-12-20 | 2012-12-20 | Locking device and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991727U true CN202991727U (en) | 2013-06-12 |
Family
ID=48562911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711170 Expired - Fee Related CN202991727U (en) | 2012-12-20 | 2012-12-20 | Locking device and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698214A (en) * | 2016-12-19 | 2017-05-24 | 三帕尔菲格特种车辆装备有限公司 | Movable outrigger locking device, truck crane outrigger and truck crane |
-
2012
- 2012-12-20 CN CN 201220711170 patent/CN202991727U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698214A (en) * | 2016-12-19 | 2017-05-24 | 三帕尔菲格特种车辆装备有限公司 | Movable outrigger locking device, truck crane outrigger and truck crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |