CN106698214B - Movable supporting legs locking device, lorry-mounted crane supporting leg and lorry-mounted crane - Google Patents
Movable supporting legs locking device, lorry-mounted crane supporting leg and lorry-mounted crane Download PDFInfo
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- CN106698214B CN106698214B CN201611177756.9A CN201611177756A CN106698214B CN 106698214 B CN106698214 B CN 106698214B CN 201611177756 A CN201611177756 A CN 201611177756A CN 106698214 B CN106698214 B CN 106698214B
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- bolt
- supporting legs
- movable supporting
- actuator
- fixes sleeve
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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 kind of movable supporting legs locking device, lorry-mounted crane supporting leg and lorry-mounted cranes.Movable supporting legs locking device includes: latch assembly and actuator；Latch assembly includes fixes sleeve, bolt and return springs；Fixes sleeve with movable supporting legs for being fixedly connected, and bolt is threaded through in fixes sleeve, and can be slided in fixes sleeve, and return springs are connected between fixes sleeve and bolt；The first end of actuator is fixedly connected with bolt, and the second end of actuator is located at outside fixes sleeve, and bolt under the drive of actuator, can overcome the elastic force of return springs to move.The apparatus structure is simple, it is easy to operate, simplify process of the adjustment movable supporting legs relative to outrigger box position, eliminates this process for being specially aligned outrigger box pin hole and movable supporting legs pin hole, it can easily realize the insertion and extraction of the bolt of supporting leg, working efficiency greatly promotes.
Description
Technical field
The present invention relates to crane technical field, in particular to a kind of movable supporting legs locking device, lorry-mounted crane supporting leg
And lorry-mounted crane.
Background technique
According to concerned countries standard, lorry-mounted crane should all design supporting leg bolt, be on the one hand to guarantee with Che Qichong
Machine traffic safety, avoiding lorry-mounted crane, movable supporting legs are stretched out from outrigger box during transportation, especially with automobile chassis
It when turning, is easy to cause supporting leg to throw away from outrigger box because of centrifugal force, causes driving dangerous.It on the other hand is to prevent crane from existing
When hanging load, movable supporting legs are flexible, cause loop wheel machine to damage, or even cause safety accident.
Currently, the lorry-mounted crane in market is designed with manual bolt, movable supporting legs can in outrigger box confronting legs
Case horizontal extension is correspondingly provided with pin hole at the top of the top of outrigger box and movable supporting legs.When manipulator needs fixed activity
When supporting leg.It is aligned, bolt could be inserted firstly the need of by the pin hole on the pin hole and outrigger box on supporting leg.
But the diameter of the diameter of bolt, outrigger box bolt bore dia and movable supporting legs pin hole under normal conditions
It is not much different, so, in the actual operation process, manipulator is difficult outrigger box pin hole and movable supporting legs pin hole disposably
Alignment.For the movable supporting legs stretched manually, it usually needs the position for adjusting movable supporting legs repeatedly could inject bolt
It goes, time-consuming and laborious, low efficiency.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide a kind of lorry-mounted crane supporting leg locking device and lorry-mounted crane
The position for usually requiring to adjust movable supporting legs in technology repeatedly could inject bolt in the pin hole of outrigger box, time-consuming and laborious,
The technical issues of low efficiency.
The present invention provides a kind of movable supporting legs locking device, including latch assembly and actuator；Latch assembly includes fixing
Sleeve, bolt and return springs；For being fixedly connected with movable supporting legs, bolt is threaded through in fixes sleeve fixes sleeve, multiple
Position elastic component is connected between fixes sleeve and bolt；The first end of actuator is fixedly connected with bolt, the second end of actuator
Outside fixes sleeve, bolt under the drive of actuator, can overcome the elastic force of return springs to move.
Further, bolt is stepped, and one end of return springs is abutted with one end of fixes sleeve, the other end and insert
The step of pin abuts.
Further, latch assembly further includes baffle；The first end of fixes sleeve with movable supporting legs for being fixedly connected, institute
It states baffle to connect with one end of the close actuator of the bolt, and can be abutted with the second end of fixes sleeve,；Actuator
First end is connect by fastener with bolt, and the connecting hole of fastener is provided through on baffle；The first end of actuator passes through
Fastener is connect with bolt, and the connecting hole of fastener is provided through on baffle.
Further, latch assembly further includes L-shaped supporting plate；One end of supporting plate is connect with fixes sleeve, the other end with
The second end face interval of fixes sleeve is arranged；The first end of actuator passes through supporting plate and connect with bolt.
Further, movable supporting legs locking device further includes handle assembly；Handle assembly includes bracket, and bracket is for fixing
Outside movable supporting legs, the second end and bracket of actuator are hinged.
Further, handle assembly further includes handle；One end of handle is connect with holder pivots, the other end and actuator
Second end is hinged.
Further, handle assembly further includes limit plate；The connection of the side wall of limit plate and bracket, the second end of actuator are worn
It is hinged with handle to cross limit plate, handle can be abutted with limit plate.
Further, actuator is flexible axle；First flexible shaft end of flexible axle is connect with bolt, the second flexible shaft end of flexible axle
Hinged with handle, the first hose coupling of flexible axle is fixedly connected with limit plate.
The present invention provides a kind of lorry-mounted crane supporting legs also to wrap including movable supporting legs and outrigger box in long strip
Movable supporting legs locking device provided by the invention is included, movable supporting legs are slidably installed in outrigger box, along outrigger box on the inner wall of outrigger box
Extending direction be arranged at intervals with multiple pin holes；Fixes sleeve is fixedly connected with one end of movable supporting legs insertion outrigger box, is inserted
Pin is plugged in pin hole；When bolt is under the drive of actuator, when the elastic force of return springs being overcome to move, bolt towards
It is detached from the direction movement of pin hole.
The present invention also provides a kind of lorry-mounted cranes, including lorry-mounted crane supporting leg provided by the invention.
When using lorry-mounted crane supporting leg locking device provided by the invention, latch assembly is arranged and is inserted in movable supporting legs
Enter one end of outrigger box, fixes sleeve is connect with outrigger box, in the pin hole of the first end insertion outrigger box of bolt, to will live
Dynamic supporting leg and outrigger box are relatively fixed.When needing to adjust position of the movable supporting legs relative to outrigger box, pull in linked component
Actuator, actuator drive bolt away from outrigger box direction move, until bolt by outrigger box pin hole be detached from,
To allow operator to pull or push movable supporting legs to adjust its position, actuator can be decontroled during adjustment,
Return springs are in compressive state during this, and when bolt reaches next pin hole of outrigger box, return springs will
Bolt resets, and bolt is automatically inserted into pin hole, to realize the relatively fixed of movable supporting legs and outrigger box again.The device knot
Structure is simple, easy to operate, simplifies process of the adjustment movable supporting legs relative to outrigger box position, eliminates outrigger box pin hole specially
With this process of movable supporting legs pin hole alignment, the insertion and extraction of the bolt of supporting leg can be easily realized, working efficiency is big
It is big to be promoted.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of movable supporting legs locking device provided by one embodiment of the present invention；
Fig. 2 is the structural schematic diagram of latch assembly in movable supporting legs locking device shown in FIG. 1；
Fig. 3 is the structural schematic diagram of handle assembly in movable supporting legs locking device shown in FIG. 1；
Fig. 4 is the structural schematic diagram of lorry-mounted crane provided by one embodiment of the present invention；
Fig. 5 is the structural schematic diagram for the lorry-mounted crane that another embodiment of the present invention provides.
In figure: 1- latch assembly；2- actuator；3- handle assembly；4- movable supporting legs；5- outrigger box；11- is fixed
Sleeve；12- bolt；13- return springs；14- baffle；15- supporting plate；31- bracket；32- handle；33- limit plate.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram of movable supporting legs locking device provided by one embodiment of the present invention；Fig. 2 is shown in Fig. 1
Movable supporting legs locking device in latch assembly structural schematic diagram.
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, bolt 12 and return springs 13；Fixes sleeve 11 is used for and the fixed company of movable supporting legs
It connects, bolt 12 is threaded through in fixes sleeve, and return springs 13 are connected between fixes sleeve 11 and bolt 12；Actuator 2
First end is fixedly connected with bolt 12, and the second end of actuator 2 is located at outside fixes sleeve 11, and bolt 12 can be in actuator 2
Under drive, the elastic force of return springs 13 is overcome to move.
Wherein, there are many structure types of bolt 12, it is not limited solely to the definition in the prior art usually to bolt 12,
Round, rectangular, oval or triangle can also be can be for the cross sectional shape of strip, the column perhaps bolt such as plate 12
Deng.Bolt 12 is used to be inserted into outrigger box 5 by movable supporting legs 4, so that movable supporting legs 4 and outrigger box 5 are relatively fixed.
The type of reseting elastic element has very much, such as: pressure spring, tension spring or spring leaf etc..
There are many structure types of actuator 2, such as: wirerope, iron wire or rope etc..
Bolt 12 under the drive of actuator 2, can overcome the elastic force of return springs 13 to move, and can be to reset
Elastic component 13 is compressed, and is also possible to stretch return springs 13.Such as: pull bolt 12 to move along actuator 2
Direction, one end in the both ends of fixes sleeve 11 is first end, and the other end is second end, and one end in the both ends of bolt 12 is
The first end other end is second end；When return springs 13 be connected to fixes sleeve 11 first end and bolt 12 first end it
Between when, return springs 13 are stretched, in such cases, can the second end of bolt 12 be arranged protrusion to be inserted into outrigger box
5；When being connected to when return springs 13 between the second end of fixes sleeve 11 and the second end of bolt 12,13 quilt of return springs
Compression, the first end of bolt 12 can be used for and 5 grafting of outrigger box.
When using 4 locking device of movable supporting legs provided by the invention, fixes sleeve 11 is fixed on external activity and is propped up
On leg 4, when locking state, bolt 12 is plugged in the pin hole of outrigger box 5.When needing to adjust movable supporting legs 4 relative to supporting leg
When the position of case 5, actuator 2 is pulled, so that actuator 2 drives bolt 12 that the elastic force of return springs 13 is overcome to move, until
Bolt 12 and the pin hole of outrigger box 5 are detached from；After bolt 12 and the pin hole of outrigger box 5 are detached from, operator can be pushed
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, adjusting
In the process, removing the pulling force applied to actuator 2, then bolt 12 loses external force, when arriving next pin hole of outrigger box 5,
Bolt 12 is automatically inserted into pin hole under the elastic force of return springs 13, so that 4 confronting legs case 5 of movable supporting legs be locked.
4 locking device structure of movable supporting legs provided in this embodiment is simple, easy to operate, simplifies adjustment 4 phase of movable supporting legs
For the process of 5 position of outrigger box, this mistake for being specially aligned 5 pin hole of outrigger box and 4 pin hole of movable supporting legs is eliminated
Journey, can easily realize the insertion and extraction of the bolt 12 of supporting leg, and working efficiency greatly promotes.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, bolt 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 bolt 12.
In the present embodiment, bolt 12 is stepped, if the shaft part being relatively large in diameter is major diameter shaft part, the lesser shaft part of diameter is
Path shaft part.Along the direction that actuator 2 pulls bolt 12 to move, major diameter shaft part be can be set in upstream, and the setting of path shaft part exists
The one end in downstream, return springs 13 is abutted with the first end of fixes sleeve 11, step, that is, big journal axle of the other end and bolt 12
Section is abutted close to the annular end face of path shaft part, and in such cases, during bolt 12 is pulled, return springs 13 are drawn
It stretches；Along the direction that actuator 2 pulls bolt 12 to move, downstream can also be arranged in major diameter shaft part, and path shaft part is arranged in upstream,
One end of return springs 13 is abutted with the second end of fixes sleeve 11, and step, that is, major diameter shaft part of the other end and bolt 12 is close
The annular end face of path shaft part abuts, and in such cases, during bolt 12 is pulled, return springs 13 are compressed.
The use of bolt 12 is ladder-like, and structure is simple, easy to process, and facilitates the setting of elastic element.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, 12 component 1 of bolt further includes baffle 14；
The first end of fixes sleeve 11 with movable supporting legs 4 for being fixedly connected, the close actuator 2 of the baffle 14 and the bolt 12
One end connection, and can be abutted with the second end of fixes sleeve 11,；The first end of actuator 2 passes through fastener and bolt 12
It connects, the connecting hole of fastener is provided through on baffle 14.
In the present embodiment, pushed in 12 reseting procedure of bolt in return springs 13, when bolt 12 moves to pre-determined distance
When (distance can be bolt 12 be inserted into outrigger box 5 pin hole in), baffle 14 is abutted with the second end of fixes sleeve 11, hinder
Only bolt 12 continues to move, and avoids bolt 12 from completely disengaging fixes sleeve 11 and locking is made to fail, also bolt 12 can be prevented close
One end of actuator 2 is detached from the second end of fixes sleeve 11, to avoid when actuator 2 pulls bolt 12 to move, bolt 12
Run-off the straight can not be slid in and out by the second end of fixes sleeve 11 and keep bolt 12 stuck, take off the other end of bolt 12 can not
Pin hole from outrigger box 5.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, latch assembly 1 further includes L-shaped support
Plate 15；One end of supporting plate 15 is connect with fixes sleeve 11, and the second end face interval of the other end and fixes sleeve 11 is arranged；Driving
The first end of part 2 passes through supporting plate 15 and connect with bolt 12.
In the present embodiment, actuator 2 pass through behind one end of the second end face of supporting plate 15 and fixes sleeve 11 again with bolt
12 connections, then can be such that the part between supporting plate 15 and bolt 12 of actuator 2 slides with bolt 12 along fixes sleeve 11
Direction is consistent, and the movement for making actuator 2 pull bolt 12 is more smooth, more laborsaving, more efficient.
Fig. 3 is the structural schematic diagram of handle assembly in 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 further includes handle assembly 3；Handle assembly 3 includes branch
Frame 31, for bracket 31 for being fixed on outside movable supporting legs 4, the second end and bracket 31 of actuator 2 are hinged.
When using 4 locking device of movable supporting legs provided in this embodiment, it is remote that bracket 31 can be fixed on to movable supporting legs 4
One end from outrigger box 5 can be also fixed on the fixed supporting leg connecting with movable supporting legs 4.By the second end and bracket of actuator 2
31 is hinged, then when needing to adjust the position of 4 confronting legs case 5 of movable supporting legs, actuator 2 is pulled to rotate it i.e. relative to bracket 31
Can, when bolt 12 be detached from pin hole after, remove the external force of the second end of actuator 2, without the second end to actuator 2 into
Capable fixed or arrangement etc., is easy to use.
As shown in figures 1 and 3, on above-described embodiment basis, further, handle assembly 3 further includes handle 32；Hand
One end of handle 32 and bracket 31 are rotatablely connected, and the second end of the other end and actuator 2 is hinged.
In the present embodiment, when needing to adjust the position of 4 confronting legs case 5 of movable supporting legs, make handle 32 relative to bracket
31 rotate clockwise, to pull actuator 2, and then pull bolt 12 that return springs 13 is overcome to move, finally by inserting
Pin hole is detached from.During adjusting movable supporting legs 4, 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 further includes limit plate 33；
Limit plate 33 is connect with the side wall of bracket 31, and the second end of actuator 2 passes through limit plate 33 and handle 32 is hinged, and handle 32 can
It is abutted with limit plate 33.
In the present embodiment, bolt 12 in reseting procedure, is preset under the elastic force of return springs 13 when the movement of bolt 12 is
Apart from when, limit plate 33 is abutted with handle 32, prevent handle 32 continue to rotate, to handle 32 with limit, 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 connect with bolt 12, and the second flexible shaft end and handle 32 of flexible axle are hinged, the first hose coupling of flexible axle and limit
Plate 33 is fixedly connected.
In the present embodiment, actuator 2 uses flexible axle, and easy for installation, the reliable transmission of flexible axle can guarantee the movable supporting legs
The normal work of 4 locking devices.
Fig. 4 is the structural schematic diagram of lorry-mounted crane provided by one embodiment of the present invention；Fig. 5 is another reality of the invention
The structural schematic diagram of the lorry-mounted crane of example offer is provided.
As shown in figure 4, the present invention provides a kind of lorry-mounted crane supporting leg, including 4 He of movable supporting legs in long strip
Outrigger box 5 further includes movable supporting legs locking device provided by the invention, and movable supporting legs 4 are slidably installed in outrigger box 5, outrigger box 5
Extending direction on inner wall along outrigger box 5 is arranged at intervals with multiple pin holes；Fixes sleeve 11 and movable supporting legs 4 are inserted into outrigger box
5 one end is fixedly connected, and bolt 12 is plugged in pin hole；Under drive of the bolt 12 in actuator 2, return springs are overcome
When 13 elastic force movement, bolt 12 is moved towards the direction for being detached from pin hole.
Wherein, the end face of one end that fixes sleeve 11 can be inserted into outrigger box 5 with movable supporting legs 4 is connect, can be with activity
Cavity is formed in supporting leg 4, fixes sleeve 11 is fixed on upper bottom, bottom or the side wall of the inner cavity of movable supporting legs 4, correspondingly,
Pin hole in outrigger box 5 may be provided on upper bottom, bottom or the side wall of outrigger box 5.
Preferably, fixes sleeve 11 is fixed on the bottom of the inner cavity of movable supporting legs 4, outrigger box 5 is arranged in pin hole
On bottom, avoids inconvenient actuator 2 on the side wall that fixes sleeve 11 is arranged in the inner cavity of movable supporting legs 4 and pull bolt 12
Movement, return springs 13 will also overcome slotting when also avoiding the upper bottom by the inner cavity that movable supporting legs 4 are arranged in fixes sleeve 11
The gravity of pin 12.
When needing to adjust position of the movable supporting legs 4 relative to outrigger box 5, actuator 2 is pulled, so that actuator 2 drives
Bolt 12 overcomes the elastic force of return springs 13 to move, until bolt 12 and the pin hole of outrigger box 5 are detached from；When bolt 12 and branch
After the pin hole of leg case 5 is detached from, operator can push or pull movable supporting legs 4 flexible relative to outrigger box 5, with adjustment
Position of the movable supporting legs 4 relative to outrigger box 5 removes the pulling force applied to actuator 2 during the adjustment, then bolt 12 loses
External force is gone, when arriving next pin hole of outrigger box 5, bolt 12 is automatically inserted into pin hole under the elastic force of return springs 13
It is interior, so that 4 confronting legs case 5 of movable supporting legs be locked.
The movable supporting legs 4 of lorry-mounted crane provided in this embodiment are easy to adjust, and work efficiency is high.
The present invention also provides a kind of lorry-mounted cranes, including lorry-mounted crane supporting leg provided by the invention.It further include lifting
Machine base, crane support are connect with hoist base.
Lorry-mounted crane provided by the invention, when needing to adjust the movable supporting legs 4 on lorry-mounted crane relative to outrigger box 5
Position when, actuator 2 is pulled, so that actuator 2 drives bolt 12 that the elastic force of return springs 13 is overcome move, up to bolt
12 are detached from the pin hole of outrigger box 5；After the pin hole of bolt 12 and outrigger box 5 is detached from, operator can push 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 bolt 12 loses external force, when arriving next pin hole of outrigger box 5, bolt
12 are automatically inserted into pin hole under the elastic force of return springs 13, so that 4 confronting legs case 5 of movable supporting legs be locked.Adjustment
Process is simple and convenient, high-efficient.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of movable supporting legs locking device characterized by comprising latch assembly and actuator；
The latch assembly includes fixes sleeve, bolt and return springs；The fixes sleeve with movable supporting legs for fixing
Connection, the bolt is threaded through in the fixes sleeve, and can be slided in the fixes sleeve, and the return springs are supported
It connects between the fixes sleeve and the bolt；
The first end of the actuator is fixedly connected with the bolt, and the second end of the actuator is located at the fixes sleeve
Outside, the bolt under the drive of the actuator, can overcome the elastic force of the return springs to move；
It further include handle assembly；The handle assembly includes bracket, and the bracket is for being fixed on outside movable supporting legs, the driving
The second end of part and the bracket are hinged；
The handle assembly further includes handle；One end of the handle is connect with the holder pivots, the other end and the driving
The second end of part is hinged.
2. movable supporting legs locking device according to claim 1, which is characterized in that the bolt 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 bolt.
3. movable supporting legs locking device according to claim 2, which is characterized in that the latch assembly further includes baffle；
For being fixedly connected with movable supporting legs, one end of the close actuator of the baffle and the bolt connects the first end of fixes sleeve
It connects, and can be abutted with the second end of the fixes sleeve；The first end of actuator is connect by fastener with bolt, on baffle
It is provided through the connecting hole of fastener；
The first end of the actuator is connect by fastener with the bolt, and the fastener is provided through on the baffle
Connecting hole.
4. movable supporting legs locking device according to claim 3, which is characterized in that the latch assembly further includes L-shaped
Supporting plate；One end of the supporting plate is connect with the fixes sleeve, the second end face interval of the other end and the fixes sleeve
Setting；
The first end of the actuator passes through the supporting plate and connect with the bolt.
5. movable supporting legs locking device according to claim 1, which is characterized in that the handle assembly further includes limit
Plate；The limit plate is connect with the side wall of the bracket, and the second end of the actuator passes through the limit plate and the handle
Hingedly, the handle can be abutted with the limit plate.
6. movable supporting legs locking device according to claim 5, which is characterized in that the actuator is flexible axle；It is described soft
First flexible shaft end of axis is connect with the bolt, 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 limit plate.
7. a kind of lorry-mounted crane supporting leg, including movable supporting legs and outrigger box in long strip, which is characterized in that further include as
Movable supporting legs locking device of any of claims 1-6, the movable supporting legs are slidably installed in the outrigger box, institute
It states the extending direction on the inner wall of outrigger box along the outrigger box and is arranged at intervals with multiple pin holes；The fixes sleeve with it is described
One end that movable supporting legs are inserted into the outrigger box is fixedly connected, and the bolt is plugged in the pin hole；
Under drive of the bolt in the actuator, when the elastic force of the return springs being overcome to move, the bolt
It is moved towards the direction for being detached from the pin hole.
8. a kind of lorry-mounted crane, including lorry-mounted crane supporting leg as claimed in claim 7.
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 CN106698214A (en) | 2017-05-24 |
| CN106698214B true CN106698214B (en) | 2019-11-12 |
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| 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 |
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| 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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- 2016-12-19 CN CN201611177756.9A patent/CN106698214B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201580365U (en) * | 2009-11-30 | 2010-09-15 | 徐州重型机械有限公司 | Movable engineering machinery and supporting leg locking mechanism thereof |
| CN203864658U (en) * | 2014-04-11 | 2014-10-08 | 安徽星马专用汽车有限公司 | Concrete pump truck and supporting leg locking structure thereof |
| CN205365109U (en) * | 2016-01-28 | 2016-07-06 | 林德（中国）叉车有限公司 | Traction hook |
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| CN106698214A (en) | 2017-05-24 |
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