CN106698214A - Movable outrigger locking device, truck crane outrigger and truck crane - Google Patents
Movable outrigger locking device, truck crane outrigger and truck crane Download PDFInfo
- Publication number
- CN106698214A CN106698214A CN201611177756.9A CN201611177756A CN106698214A CN 106698214 A CN106698214 A CN 106698214A CN 201611177756 A CN201611177756 A CN 201611177756A CN 106698214 A CN106698214 A CN 106698214A
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- China
- Prior art keywords
- latch
- supporting legs
- movable supporting
- actuator
- fixes sleeve
- Prior art date
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a movable outrigger locking device, a truck crane outrigger and a truck crane. The movable outrigger locking device comprises a bolt assembly and a driving part, wherein the bolt assembly comprises a fixing sleeve, a bolt and an elastic reset part; the fixing sleeve is used for being fixedly connected with a movable outrigger; the bolt is arranged in the fixing sleeve in a penetrating manner and can slide in the fixing sleeve; the elastic reset part is connected between the fixing sleeve and the bolt in a propped manner; the first end of the driving part is fixedly connected with the bolt; the second end of the driving part is positioned outside the fixing sleeve; and the bolt can be driven by the driving part to eliminate the elastic force motion of the elastic reset part. The movable outrigger locking device is simple in structure and easy to operate; the process for adjusting the position, relative to an outrigger box, of the movable outrigger is simplified, and the process for specially aligning bolt holes of the bolt and the movable outrigger is eliminated; and accordingly, the bolt of the movable outrigger can be easily inserted and pulled out, thereby greatly improving the working efficiency.
Description
Technical field
The present invention relates to crane technical field, more particularly to a kind of movable supporting legs locking device, lorry-mounted crane supporting leg
And lorry-mounted crane.
Background technology
According to concerned countries standard, lorry-mounted crane all should design supporting leg latch, partly in order to ensureing with car lifting
Machine traffic safety, it is to avoid lorry-mounted crane movable supporting legs in transportation stretch out from outrigger box, particularly with automobile chassis
During turning, easily because centrifugal force causes supporting leg to be thrown away from outrigger box, cause driving dangerous.On the other hand it is to prevent crane from existing
When hanging load, movable supporting legs stretch, and cause loop wheel machine to damage, or even cause security incident.
At present, the lorry-mounted crane in market is designed with manual bolt, movable supporting legs can in outrigger box confronting legs
Case horizontal extension, pin hole is correspondingly provided with the top of the top of outrigger box and movable supporting legs.When manipulator needs fixed activity
When supporting leg.Firstly the need of by the pin hole alignment on the pin hole and outrigger box on supporting leg, latch could be inserted.
But, the diameter of the diameter of latch, outrigger box latch bore dia and movable supporting legs pin hole under normal circumstances
It is more or less the same, so, in actual mechanical process, manipulator is difficult disposable by outrigger box pin hole and movable supporting legs pin hole
Alignment.For the movable supporting legs of manual stretching, it usually needs the position for adjusting movable supporting legs repeatedly could inject latch
Go, waste time and energy, efficiency is low.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of lorry-mounted crane supporting leg locking device and lorry-mounted crane
The position for adjusting movable supporting legs repeatedly is generally needed in technology could be injected in the pin hole of outrigger box latch, be wasted time and energy,
The low technical problem of efficiency.
The present invention provides a kind of movable supporting legs locking device, including latch assembly and actuator；Latch assembly includes fixing
Sleeve, latch and return springs；Fixes sleeve is used to be fixedly connected with movable supporting legs, and latch is located in fixes sleeve, multiple
Position elastic component is connected between fixes sleeve and latch；The first end of actuator is fixedly connected with latch, the second end of actuator
Outside fixes sleeve, latch under the drive of actuator, can overcome the elastic force of return springs to move.
Further, latch is stepped, and one end of return springs abuts with one end of fixes sleeve, the other end with insert
The step of pin is abutted.
Further, latch assembly also includes baffle plate；The first end of fixes sleeve is used to be fixedly connected with movable supporting legs, institute
State baffle plate to be connected with one end near actuator of the latch, and can be abutted with the second end of fixes sleeve,；Actuator
First end is connected by fastener with latch, and the connecting hole of fastener is provided through on baffle plate；The first end of actuator passes through
Fastener is connected with latch, and the connecting hole of fastener is provided through on baffle plate.
Further, latch assembly also includes L-shaped supporting plate；One end of supporting plate is connected with fixes sleeve, the other end with
The second of fixes sleeve is rectified to interval setting；The first end of actuator is connected through supporting plate with latch.
Further, movable supporting legs locking device also includes handle assembly；Handle assembly includes support, and support is used to fix
Outside movable supporting legs, the second end and the support of actuator are hinged.
Further, handle assembly also includes handle；One end of handle is connected with holder pivots, the other end and actuator
Second end is hinged.
Further, handle assembly also includes limiting plate；Limiting plate is connected with the side wall of support, and the second end of actuator is worn
Cross limiting plate to be hinged with handle, handle can be abutted with limiting plate.
Further, actuator is flexible axle；First flexible shaft end of flexible axle is connected with latch, the second flexible shaft end of flexible axle
It is hinged with handle, the first hose coupling of flexible axle is fixedly connected with limiting plate.
The invention provides a kind of lorry-mounted crane supporting leg, including also wrapped in the movable supporting legs and outrigger box of strip
The movable supporting legs locking device of present invention offer is included, movable supporting legs are slidably installed in outrigger box, along outrigger box on the inwall of outrigger box
Bearing of trend be arranged at intervals with multiple pin holes；Fixes sleeve is fixedly connected with one end of movable supporting legs insertion outrigger box, inserts
Pin is plugged in pin hole；When latch is under the drive of actuator, overcome return springs elastic force move when, latch towards
Depart from the direction motion of pin hole.
The present invention also provides a kind of lorry-mounted crane, including the lorry-mounted crane supporting leg that the present invention is provided.
In the lorry-mounted crane supporting leg locking device provided using the present invention, latch assembly is arranged on movable supporting legs and is inserted
Enter one end of outrigger box, fixes sleeve is connected with outrigger box, in the pin hole of the first end insertion outrigger box of latch, so that will be living
Dynamic supporting leg is relatively fixed with outrigger box.When need adjust movable supporting legs relative to outrigger box position when, pull linked component in
Actuator, actuator drive latch away from outrigger box direction motion, until latch by outrigger box pin hole depart from,
So that operating personnel can pull or promote movable supporting legs to adjust its position, actuator can be decontroled during adjustment,
Return springs are in compressive state during this, and when latch reaches next pin hole of outrigger box, return springs will
Latch is resetted, and latch is automatically inserted into pin hole, so as to realize being relatively fixed for movable supporting legs and outrigger box again.The device knot
Structure is simple, easy to operate, simplifies adjustment movable supporting legs relative to the process of outrigger box position, eliminates outrigger box pin hole specially
This process alignd with movable supporting legs pin hole, can easily realize the insertion and extraction of the latch of supporting leg, and operating efficiency is big
Big lifting.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the movable supporting legs locking device that one embodiment of the invention is provided；
Fig. 2 is the structural representation of latch assembly in the movable supporting legs locking device shown in Fig. 1；
Fig. 3 is the structural representation of handle assembly in the movable supporting legs locking device shown in Fig. 1；
Fig. 4 is the structural representation of the lorry-mounted crane that one embodiment of the invention is provided；
Fig. 5 is the structural representation of the lorry-mounted crane that another embodiment of the present invention is provided.
In figure：1- latch assemblies；2- actuators；3- handle assemblies；4- movable supporting legs；5- outrigger boxes；11- is fixed
Sleeve；12- latches；13- return springs；14- baffle plates；15- supporting plates；31- supports；32- handles；33- limiting plates.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the structural representation of the movable supporting legs locking device that one embodiment of the invention is provided；Fig. 2 is shown in Fig. 1
Movable supporting legs locking device in latch assembly structural representation.
As depicted in figs. 1 and 2, the present invention provides a kind of movable supporting legs locking device, including latch assembly 1 and actuator 2；
Latch assembly 1 includes fixes sleeve 11, latch 12 and return springs 13；Fixes sleeve 11 is used to fix company with movable supporting legs
Connect, latch 12 is located in fixes sleeve, return springs 13 are connected between fixes sleeve 11 and latch 12；Actuator 2
First end is fixedly connected with latch 12, and the second end of actuator 2 is located at outside fixes sleeve 11, and latch 12 can be in actuator 2
Under drive, the elastic force of return springs 13 is overcome to move.
Wherein, the structure type of latch 12 has various, is not limited solely in the prior art generally to the definition of latch 12,
Can also be strip, column or tabular etc., the cross sectional shape of latch 12 can be circular, square, oval or triangle
Deng.During latch 12 is used to insert outrigger box 5 by movable supporting legs 4, so that movable supporting legs 4 are relatively fixed with outrigger box 5.
The species of reseting elastic element has a lot, for example：Stage clip, extension spring or spring leaf etc..
The structure type of actuator 2 has various, for example：Steel wire rope, iron wire or rope etc..
Latch 12 under the drive of actuator 2, can overcome the elastic force of return springs 13 to move, and can be to resetting
Elastic component 13 is compressed, or return springs 13 is stretched.For example：Latch 12 is pulled to move along actuator 2
Direction, the one end in the two ends of fixes sleeve 11 is first end, and the other end is the second end, and the one end in the two ends of latch 12 is
The first end other end is the second end；When return springs 13 be connected to fixes sleeve 11 first end and latch 12 first end it
Between when, return springs 13 are stretched, and in such cases, can set raised to be inserted into outrigger box at the second end of latch 12
5；When return springs 13 are connected between the second end of fixes sleeve 11 and the second end of latch 12, the quilt of return springs 13
Compression, the first end of latch 12 can be used for and the grafting of outrigger box 5.
In 4 locking device of movable supporting legs provided using the present invention, fixes sleeve 11 is fixed on the activity branch of outside
On leg 4, during locking state, latch 12 is plugged in the pin hole of outrigger box 5.When need adjustment movable supporting legs 4 relative to supporting leg
During the position of case 5, actuator 2 is pulled, so that actuator 2 drives latch 12 to overcome the elastic force of return springs 13 to move, until
Latch 12 departs from the pin hole of outrigger box 5；After the pin hole of latch 12 and outrigger box 5 departs from, operating personnel can promote
Or pull movable supporting legs 4 flexible relative to outrigger box 5, to adjust position of the movable supporting legs 4 relative to outrigger box 5, in adjustment
During, removing the pulling force applied to actuator 2, then latch 12 loses external force, when the next pin hole to outrigger box 5,
Latch 12 is automatically inserted into pin hole under the elastic force of return springs 13, so as to the confronting legs case 5 of movable supporting legs 4 be locked.
The locking device structure of movable supporting legs 4 that the present embodiment is provided is simple, easy to operate, simplifies the adjustment phase of movable supporting legs 4
For the process of the position of outrigger box 5, this mistake that specially pin hole of outrigger box 5 and the pin hole of movable supporting legs 4 align is eliminated
Journey, can easily realize the insertion and extraction of the latch 12 of supporting leg, and operating efficiency is greatly promoted.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, latch 12 is stepped, Flexible Reset
One end of part 13 is abutted with one end of fixes sleeve 11, and the other end is abutted with the step of latch 12.
In the present embodiment, latch 12 is stepped, if the shaft part being relatively large in diameter is big footpath shaft part, the less shaft part of diameter is
Path shaft part.Along the direction that the pulling latch 12 of actuator 2 is moved, big footpath shaft part can be arranged on upstream, and path shaft part is arranged on
Downstream, one end of return springs 13 abuts with the first end of fixes sleeve 11, and the other end is big journal axle with the step of latch 12
Section is abutted near the annular end face of path shaft part, and in such cases, during latch 12 is pulled, return springs 13 are drawn
Stretch；Along the direction that the pulling latch 12 of actuator 2 is moved, big footpath shaft part can also be arranged on downstream, and path shaft part is arranged on upstream,
One end of return springs 13 abuts with the second end of fixes sleeve 11, and the other end is that big footpath shaft part is close to the step of latch 12
The annular end face of path shaft part is abutted, and in such cases, during latch 12 is pulled, return springs 13 are compressed.
Latch 12 uses stepped, simple structure, easy to process, and facilitates the setting of flexible member.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, the component 1 of latch 12 also includes baffle plate 14；
The first end of fixes sleeve 11 is used to be fixedly connected with movable supporting legs 4, the close actuator 2 of the baffle plate 14 and the latch 12
One end connection, and can be abutted with the second end of fixes sleeve 11,；The first end of actuator 2 is by fastener and latch 12
Connection, is provided through the connecting hole of fastener on baffle plate 14.
In the present embodiment, in return springs 13 promote the reseting procedure of latch 12, when latch 12 moves to predeterminable range
When (distance can be latch 12 insertion outrigger box 5 pin hole in), baffle plate 14 is abutted with the second end of fixes sleeve 11, hinder
Only latch 12 continues to move, it is to avoid latch 12 completely disengages from fixes sleeve 11 and locking is failed, and can also prevent latch 12 to be close to
One end of actuator 2 departs from the second end of fixes sleeve 11, so as to avoid when actuator 2 pulls latch 12 to move, latch 12
Run-off the straight cannot be slid in and out by the second end of fixes sleeve 11 and make latch 12 stuck, and making the other end of latch 12 cannot take off
From the pin hole of outrigger box 5.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, latch assembly 1 also includes L-shaped support
Plate 15；One end of supporting plate 15 is connected with fixes sleeve 11, and the other end is rectified to interval setting with the second of fixes sleeve 11；Drive
The first end of part 2 is connected through supporting plate 15 with latch 12.
In the present embodiment, actuator 2 through the second of supporting plate 15 and fixes sleeve 11 rectify to one end after again with latch
12 connections, then what the part between supporting plate 15 and latch 12 and latch 12 that can make actuator 2 were slided along fixes sleeve 11
Direction is consistent, makes actuator 2 pull the motion of latch 12 more smooth, more laborsaving, in hgher efficiency.
Fig. 3 is the structural representation of handle assembly in the movable supporting legs locking device shown in Fig. 1.As shown in figures 1 and 3,
On above-described embodiment basis, further, movable supporting legs locking device also includes handle assembly 3；Handle assembly 3 includes branch
Frame 31, support 31 is used to be fixed on outside movable supporting legs 4, and the second end and the support 31 of actuator 2 are hinged.
In 4 locking device of movable supporting legs provided using the present embodiment, support 31 can be fixed on movable supporting legs 4 remote
From one end of outrigger box 5, can also be fixed on the fixed supporting leg being connected with movable supporting legs 4.By the second end of actuator 2 and support
31 are hinged, then when needing to adjust the position of the confronting legs case 5 of movable supporting legs 4, pull actuator 2 its opposite brackets 31 is rotated i.e.
Can, after latch 12 departs from pin hole, the external force at the second end of actuator 2 is removed, enter without the second end to actuator 2
Capable fixed or arrangement etc., convenient use.
As shown in figures 1 and 3, on above-described embodiment basis, further, handle assembly 3 also includes handle 32；Hand
One end of handle 32 rotates with support 31 and is connected, and the other end is hinged with the second end of actuator 2.
In the present embodiment, when needing to adjust the position of the confronting legs case 5 of movable supporting legs 4, make handle 32 relative to support
31 rotate clockwise, so as to pull actuator 2, and then pull latch 12 to overcome return springs 13 to move, finally by inserting
Pin-and-hole departs from.During movable supporting legs 4 are adjusted, the external force being applied on handle 32 can be removed.
As shown in figures 1 and 3, on above-described embodiment basis, further, handle assembly 3 also includes limiting plate 33；
Limiting plate 33 is connected with the side wall of support 31, and the second end of actuator 2 is hinged through limiting plate 33 with handle 32, and handle 32 can
Abutted with limiting plate 33.
In the present embodiment, latch 12 is preset in reseting procedure under the elastic force of return springs 13 when the motion of latch 12 is
Apart from when, limiting plate 33 is abutted with handle 32, prevent handle 32 be rotated further, to handle 32 with spacing, facilitate operator to use.
As shown in figures 1 and 3, on above-described embodiment basis, further, actuator 2 is flexible axle；The first of flexible axle
Flexible shaft end is connected with latch 12, and the second flexible shaft end and the handle 32 of flexible axle are hinged, the first hose coupling of flexible axle with it is spacing
Plate 33 is fixedly connected.
In the present embodiment, actuator 2 uses flexible axle, and easy for installation, the reliable transmission of flexible axle ensure that the movable supporting legs
The normal work of 4 locking devices.
Fig. 4 is the structural representation of the lorry-mounted crane that one embodiment of the invention is provided；Fig. 5 is another reality of the invention
The structural representation of the lorry-mounted crane of example offer is provided.
As shown in figure 4, the invention provides a kind of lorry-mounted crane supporting leg, including in the He of movable supporting legs 4 of strip
Outrigger box 5, the movable supporting legs locking device for also being provided including the present invention, movable supporting legs 4 are slidably installed in outrigger box 5, outrigger box 5
On inwall multiple pin holes are arranged at intervals with along the bearing of trend of outrigger box 5；Fixes sleeve 11 inserts outrigger box with movable supporting legs 4
5 one end is fixedly connected, and latch 12 is plugged in pin hole；When under drive of the latch 12 in actuator 2, return springs are overcome
When 13 elastic force is moved, latch 12 is moved towards the direction for departing from pin hole.
Wherein, fixes sleeve 11 can be connected with the end face of one end of the insertion outrigger box 5 of movable supporting legs 4, can be with activity
Cavity is formed in supporting leg 4, fixes sleeve 11 is fixed on the upper bottom of the inner chamber of movable supporting legs 4, bottom or side wall, accordingly,
Pin hole in outrigger box 5 may be provided on upper bottom, bottom or the side wall of outrigger box 5.
It is preferred that fixes sleeve 11 is fixed on the bottom of the inner chamber of movable supporting legs 4, pin hole is arranged on outrigger box 5
On bottom, it is to avoid fixes sleeve 11 is arranged on the side wall of the inner chamber of movable supporting legs 4 into inconvenient actuator 2 and pulls latch 12
Motion, return springs 13 will also overcome slotting during the upper bottom of the inner chamber that it also avoid for fixes sleeve 11 being arranged on movable supporting legs 4
The gravity of pin 12.
When need adjust movable supporting legs 4 relative to outrigger box 5 position when, pull actuator 2 so that actuator 2 drives
Latch 12 overcomes the elastic force of return springs 13 to move, until latch 12 departs from the pin hole of outrigger box 5；When latch 12 and branch
After the pin hole of leg case 5 departs from, operating personnel can promote or pull movable supporting legs 4 flexible relative to outrigger box 5, to adjust
Movable supporting legs 4 are in course of adjustment relative to the position of outrigger box 5, remove the pulling force applied to actuator 2, then latch 12 loses
External force is gone, when the next pin hole to outrigger box 5, latch 12 is automatically inserted into pin hole under the elastic force of return springs 13
It is interior, so as to the confronting legs case 5 of movable supporting legs 4 be locked.
The movable supporting legs 4 of the lorry-mounted crane that the present embodiment is provided are easy to adjust, high working efficiency.
The present invention also provides a kind of lorry-mounted crane, including the lorry-mounted crane supporting leg that the present invention is provided.Also include lifting
Machine base, crane support is connected with hoist base.
The present invention provide lorry-mounted crane, when need adjust lorry-mounted crane on movable supporting legs 4 relative to outrigger box 5
Position when, pull actuator 2 so that actuator 2 drive latch 12 overcome the elastic force of return springs 13 to move, until latch
12 depart from the pin hole of outrigger box 5；After the pin hole of latch 12 and outrigger box 5 departs from, operating personnel can promote or
Pull movable supporting legs 4 flexible relative to outrigger box 5, to adjust position of the movable supporting legs 4 relative to outrigger box 5, in adjustment process
In, removing the pulling force applied to actuator 2, then latch 12 loses external force, when the next pin hole to outrigger box 5, latch
12 are automatically inserted into pin hole under the elastic force of return springs 13, so as to the confronting legs case 5 of movable supporting legs 4 be locked.Adjustment
Process is simple and convenient, efficiency high.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of movable supporting legs locking device, it is characterised in that including：Latch assembly and actuator；
The latch assembly includes fixes sleeve, latch and return springs；The fixes sleeve is used to be fixed with movable supporting legs
Connection, the latch is located in the fixes sleeve, and can be slided in the fixes sleeve, and the return springs are supported
It is connected between the fixes sleeve and the latch；
The first end of the actuator is fixedly connected with the latch, and the second end of the actuator is located at the fixes sleeve
Outward, the latch under the drive of the actuator, can overcome the elastic force of the return springs to move.
2. movable supporting legs locking device according to claim 1, it is characterised in that the latch is stepped, described multiple
One end of position elastic component is abutted with one end of the fixes sleeve, and the other end is abutted with the step of the latch.
3. movable supporting legs locking device according to claim 2, it is characterised in that the latch assembly also includes baffle plate；
The first end of fixes sleeve is used to be fixedly connected with movable supporting legs, and the baffle plate connects with one end near actuator of the latch
Connect, and can be abutted with the second end of the fixes sleeve；The first end of actuator is connected by fastener with latch, on baffle plate
It is provided through the connecting hole of fastener；
The first end of the actuator is connected by fastener with the latch, and the fastener is provided through on the baffle plate
Connecting hole.
4. movable supporting legs locking device according to claim 3, it is characterised in that the latch assembly also includes L-shaped
Supporting plate；One end of the supporting plate is connected with the fixes sleeve, and the other end is rectified to interval with the second of the fixes sleeve
Set；
The first end of the actuator is connected through the supporting plate with the latch.
5. the movable supporting legs locking device according to any one of claim 1-4, it is characterised in that also including handle group
Part；The handle assembly include support, the support be used for be fixed on outside movable supporting legs, the second end of the actuator with it is described
Support is hinged.
6. movable supporting legs locking device according to claim 5, it is characterised in that the handle assembly also includes handle；
One end of the handle is connected with the holder pivots, and the other end is hinged with the second end of the actuator.
7. movable supporting legs locking device according to claim 6, it is characterised in that the handle assembly also includes spacing
Plate；The limiting plate is connected with the side wall of the support, and the second end of the actuator passes through the limiting plate and the handle
It is hinged, the handle can be abutted with the limiting plate.
8. movable supporting legs locking device according to claim 7, it is characterised in that the actuator is flexible axle；It is described soft
First flexible shaft end of axle is connected with the latch, and the second flexible shaft end and the handle of the flexible axle are hinged, the flexible axle
The first hose coupling be fixedly connected with the limiting plate.
9. a kind of lorry-mounted crane supporting leg, including in the movable supporting legs and outrigger box of strip, it is characterised in that also including such as
Movable supporting legs locking device any one of claim 1-8, the movable supporting legs are slidably installed in the outrigger box, institute
State and be arranged at intervals with multiple pin holes along the bearing of trend of the outrigger box on the inwall of outrigger box；The fixes sleeve with it is described
One end that movable supporting legs insert the outrigger box is fixedly connected, and the latch is plugged in the pin hole；
When the elastic force under drive of the latch in the actuator, overcoming the return springs is moved, the latch
Towards the direction motion for departing from the pin hole.
10. a kind of lorry-mounted crane, including lorry-mounted crane supporting leg as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177756.9A CN106698214B (en) | 2016-12-19 | 2016-12-19 | Movable supporting legs locking device, lorry-mounted crane supporting leg and lorry-mounted crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177756.9A CN106698214B (en) | 2016-12-19 | 2016-12-19 | Movable supporting legs locking device, lorry-mounted crane supporting leg and lorry-mounted crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106698214A true CN106698214A (en) | 2017-05-24 |
| CN106698214B CN106698214B (en) | 2019-11-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611177756.9A Active CN106698214B (en) | 2016-12-19 | 2016-12-19 | Movable supporting legs locking device, lorry-mounted crane supporting leg and lorry-mounted crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106698214B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291044A (en) * | 2021-12-28 | 2022-04-08 | 安徽柳工起重机有限公司 | Device is scurried outward to activity landing leg |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291044A (en) * | 2021-12-28 | 2022-04-08 | 安徽柳工起重机有限公司 | Device is scurried outward to activity landing leg |
| CN114291044B (en) * | 2021-12-28 | 2024-03-08 | 安徽柳工起重机有限公司 | Anti-channeling device for movable supporting leg |
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| Publication number | Publication date |
|---|---|
| CN106698214B (en) | 2019-11-12 |
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