CN103626036B - The steerable system of lorry-mounted crane, lorry-mounted crane and truck with loading crane - Google Patents
The steerable system of lorry-mounted crane, lorry-mounted crane and truck with loading crane Download PDFInfo
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- CN103626036B CN103626036B CN201310615748.8A CN201310615748A CN103626036B CN 103626036 B CN103626036 B CN 103626036B CN 201310615748 A CN201310615748 A CN 201310615748A CN 103626036 B CN103626036 B CN 103626036B
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Abstract
The invention discloses the steerable system of a kind of lorry-mounted crane, lorry-mounted crane and truck with loading crane, in order to provide actuated position the most flexibly to select to operator, and improve operator and handle accuracy and the work efficiency of lorry-mounted crane.The steerable system of lorry-mounted crane of the present invention, including the many groups link gear being set up in parallel and controlling respectively inhomogeneity derricking motion, often group link gear includes: be positioned at the side control crank of lorry-mounted crane at least side, and it being positioned at the upper-pilot handle above the supporting leg of lorry-mounted crane, each side control crank and upper-pilot handle realize linkage by linkage.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of lorry-mounted crane steerable system,
Lorry-mounted crane and truck with loading crane.
Background technology
Lorry-mounted crane, also known as truck-mounted crane, is generally assemblied on the chassis of cargo vehicle, is that one can be
Many actions hoisting machinery of vertical-lift and horizontal carrying heavy goods in certain limit.Lorry-mounted crane generally includes
Support means and the arm being arranged in support means by slewing equipment.Install the vapor laden of lorry-mounted crane additional
Car is referred to as truck with loading crane, it is possible to achieve hoisting operation and the dual-use function of material transportation.
In the prior art, lorry-mounted crane is typically mounted between driver's cabin and compartment, the control to its arm
System uses the maneuverability pattern of 2, the left and right linkage being arranged in both sides, compartment mostly, and no matter operator stand in car
The ground, left side in railway carriage or compartment or right ground, all can complete arm by handling the control crank of side, place
Revolution, luffing, the action such as hoist of flexible and steel wire rope.
In practice, the requirement to lorry-mounted crane lifting operation is not quite similar.Such as, it is sometimes desirable to quickly
Hoisting heavy, it is sometimes desirable to accurately hoisting heavy or lift by crane a fairly large number of weight, and the latter often to
The lifting required precision of car crane is of a relatively high.
Prior art has a drawback in that, the selection of operator's actuated position is dumb, when the weight of lifting
When thing is more or needs accurate hoisting heavy, owing to standing on the ground when operator operate, its visual field is subject to
Limit, it is impossible to observe in container weight lifting situation, the accuracy of this strong influence to hoisting operation with
Work efficiency.
Summary of the invention
Embodiments provide the steerable system of a kind of lorry-mounted crane, lorry-mounted crane and with car lifting
Transport vehicle, in order to provide actuated position the most flexibly to select to operator, and improves operator's manipulation
The accuracy of lorry-mounted crane and work efficiency.
The steerable system of lorry-mounted crane of the present invention, including being set up in parallel and controlling inhomogeneity derricking motion respectively
Many groups link gear, often organize described link gear and include:
It is positioned at the side control crank of lorry-mounted crane at least side, and is positioned at above the supporting leg of lorry-mounted crane
Upper-pilot handle, each described side control crank and described upper-pilot handle realize connection by linkage
Dynamic, wherein, described linkage includes:
Each described side control crank is fixed the first pivot piece installing connected, and described first pivot piece installing is installed in
First fixes axle；
Described upper-pilot handle is fixed the second pivot piece installing connected, and it is solid that described second pivot piece installing is installed in second
Dead axle；
Adaptor；
The first pull bar between each the first pivot piece installing and adaptor, two ends respectively with described first pivot piece installing
Hinged with described adaptor and described adaptor can be driven to rotate；
The second pull bar between second pivot piece installing and adaptor, two ends respectively with described second pivot piece installing and described
Adaptor is hinged and described adaptor can be driven to rotate；
The valve of the hydraulic valve controlling corresponding derricking motion of connection is fixed to arbitrary first pull bar or the second pull bar
Core.
In technical solution of the present invention, the upper-pilot handle above side control crank and supporting leg is connected, operation
Personnel can select actuated position flexibly, when operator handle behaviour above the supporting leg of lorry-mounted crane
During vertical handle, it can be observed that the weight lifting situation in container, therefore, substantially increase manipulation and rise with car
The accuracy of heavy-duty machine and work efficiency.
Preferably, for often organizing described link gear, described adaptor is installed in adaptor pivot dress axle；
Described first fixes axle is vertically arranged, described second fix axle and adaptor pivot dress axle be horizontally disposed with, institute
State first fix axle, second fix axle and adaptor pivot dress axle be vertically arranged two-by-two, and described first fix axle,
Second fixes axle and adaptor pivot dress axle is individually fixed in the frame of lorry-mounted crane.
Preferably, described first pivot piece installing is L-shaped pivot piece installing, and an arm of described L-shaped pivot piece installing is with right
The side control crank answered is fixing to be connected, and another arm and first pull bar of described L-shaped pivot piece installing are hinged；
Described adaptor is sleeve, and the periphery of described sleeve is fixed with hinge corresponding with the first pull bar and the second pull bar
The multiple connectors connect；
Described second pivot piece installing is for connecting fork, and the non-open side of described connection fork is fixing with upper-pilot handle even
Connecing, the open side of described connection fork is hinged with the second pull bar.
The linkage arrangement of above scheme is simple, and compact, reliable transmission, cost is relatively low.
Preferably, this steerable system also includes travel switch, triggers device and control device, wherein:
Described triggering device includes:
At least one second pull bar or be positioned at least one first pull bar of the same side corresponding connect press
Part；
Rotary shaft, described rotary shaft is fixed with can be with the first pressing plate that described travel switch abuts, corresponding every
Second pressing plate of one described contact pressing piece setting and return spring fixed plate；
Return spring, including fixing end and telescopic end, described telescopic end is fixing with described return spring fixed plate to be connected；
When connecting the pull bar positive movement of described contact pressing piece, described contact pressing piece promotes corresponding described second pressure
Plate, described second pressing plate drives described rotary shaft and described first press plate rotary, makes described first pressing plate and institute
State travel switch to separate, change the open and-shut mode of described travel switch；When the pull bar connecting described contact pressing piece is anti-
When motion, described contact pressing piece separates with corresponding described second pressing plate, and described return spring pulls described reset
Spring fixed plate and described rotary shaft rotate, and make described first pressing plate abut with described travel switch, change described
The open and-shut mode of travel switch；
Described control device is respectively with the hydraulic system signal of described travel switch and described lorry-mounted crane even
Connect, judge whether work as front control according to the open and-shut mode of described travel switch and the sling load of lorry-mounted crane
Handle for danger, when being judged as dangerous manipulation, control hydraulic system and be in the lock state.
The steerable system of this structure can in time to handle safety detect, once detect and work as front control
Handle for danger, can in time hydraulic system be locked, thus stop the further generation of danger, be greatly increased
The safety of lorry-mounted crane, decreases the loss brought because of error operations.
More excellent, each described first pull bar and each described second pull bar assemble the most along its length
Having stud, the thread rotary orientation at described stud two ends is contrary.When assembling linkage, Ke Yitong
Cross stud easily pull bar length to be adjusted, greatly reduce the installation difficulty of pull bar, reduce
Assembly cost.
Further, often organizing in described link gear, the quantity of side control crank is two, lays respectively at car
The both sides of crane；
Described adaptor is between two side control cranks, and is positioned at the lower section of upper-pilot handle；
Two side control cranks and upper-pilot handle synchronize and link in the same direction.
In the program, which no matter operator handle point at carries out related manipulation, and control action direction is equal
Identical, greatly reduce the probability of error operations, improve the safety of manipulation, and handle selection a little more
Add abundant, flexible.
Preferably, described side control crank is horizontally disposed with, and described upper-pilot handle is vertically arranged, and described first
Pull bar is horizontally disposed with, and described second pull bar is vertically arranged.Steerable system structure is compacter for this, be easy to saving
Assembly cost.
Preferably, described steerable system also includes: be fixed on above the supporting leg of described upper-pilot handle
Seat.The program substantially increases the manipulation comfort level of operator, alleviates feeling of fatigue, and design is relatively people
Property.
The embodiment of the present invention additionally provides a kind of lorry-mounted crane, including the behaviour described in aforementioned arbitrary technical scheme
Vertical system, the actuated position of operator selects more flexible, and can handle accurately and efficiently described with
Car crane.
The embodiment of the present invention additionally provides a kind of truck with loading crane, including described in previous embodiment with car
Crane, the actuated position of operator selects more flexible, and can handle accurately and efficiently described with
Car crane.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of steerable system one embodiment of lorry-mounted crane of the present invention；
Fig. 2 is the perspective view of steerable system one embodiment of lorry-mounted crane of the present invention；
Fig. 3 is the structure for amplifying schematic diagram that Fig. 2 first handles at point；
Fig. 4 is the structure for amplifying schematic diagram that Fig. 2 second handles at point；
Fig. 5 is the second pull bar and the valve core connecting structure schematic diagram of hydraulic valve in an embodiment；
Fig. 6 is the front view of lorry-mounted crane one embodiment of the present invention；
Fig. 7 is the perspective view of another embodiment of steerable system of lorry-mounted crane of the present invention.
Reference:
1-first handles some 2-second and handles some 3-the 3rd manipulation point
11-side control crank 12-upper-pilot handle 13-supporting leg
14-the first pivot piece installing 15-the first pull bar 16-adaptor
17-the second pull bar 18-the second pivot piece installing 19-hydraulic valve
20-spool 21-first fixes axle 22-adaptor pivot dress axle
23-second fixes axle 24-travel switch 25-contact pressing piece
26-rotary shaft 27-the first pressing plate 28-the second pressing plate
29-return spring fixed plate 30-return spring 31-stud
32-installing plate 33-connector
Detailed description of the invention
In order to provide actuated position the most flexibly to select to operator, and improve operator's manipulation with car
The accuracy of crane and work efficiency, embodiments provide the manipulation system of a kind of lorry-mounted crane
System, lorry-mounted crane and truck with loading crane.In this technical scheme, the side behaviour of lorry-mounted crane side
Upper-pilot handle above vertical handle and supporting leg is connected, and operator can select actuated position flexibly,
When operator handle upper-pilot handle above the supporting leg of lorry-mounted crane, it can be observed that in container
Weight lifting situation, therefore, substantially increases accuracy and the work efficiency handling lorry-mounted crane.Below
With specific embodiment and be described with reference to the accompanying drawings the present invention.
As shown in Figures 1 to 6, wherein, Fig. 1 is steerable system one embodiment of lorry-mounted crane of the present invention
Main TV structure schematic diagram；Fig. 2 is the stereochemical structure of steerable system one embodiment of lorry-mounted crane of the present invention
Schematic diagram；Fig. 3 is the structure for amplifying schematic diagram that Fig. 2 first handles at point；Fig. 4 is that Fig. 2 second handles a little
The structure for amplifying schematic diagram at place；Fig. 5 is that in an embodiment, the valve core connecting structure of the second pull bar and hydraulic valve shows
It is intended to；Fig. 6 is the front view of lorry-mounted crane one embodiment of the present invention.
The steerable system of the lorry-mounted crane that the embodiment of the present invention is provided, including being set up in parallel and controlling respectively
Many groups link gear of inhomogeneity derricking motion, often group link gear includes:
It is positioned at the side control crank 11 of lorry-mounted crane at least side, and is positioned at the supporting leg of lorry-mounted crane
Upper-pilot handle 12 above in the of 13, each side control crank 11 and upper-pilot handle 12 pass through linkage
Realizing linkage, wherein, linkage includes:
Each side control crank 11 is fixed the first pivot piece installing 14 connected, and the first pivot piece installing 14 is installed in
First fixes axle 21；
Upper-pilot handle 12 is fixed the second pivot piece installing 18 connected, and it is solid that the second pivot piece installing 18 is installed in second
Dead axle 23；
Adaptor 16；
The first pull bar 15 between each the first pivot piece installing 14 and adaptor 16, two ends respectively with the first pivot
Piece installing 14 and adaptor 16 is hinged and adaptor 16 can be driven to rotate；
The second pull bar 17 between second pivot piece installing 18 and adaptor 16, two ends respectively with the second pivot piece installing
18 and adaptor 16 is hinged and adaptor 16 can be driven to rotate；
To arbitrary first pull bar 15 or the fixing hydraulic valve controlling corresponding derricking motion connected of the second pull bar 17
The spool 20 of 19.
The derricking motion of lorry-mounted crane generally includes rising of the luffing of arm, flexible, revolution and steel wire rope
Rising, therefore, link gear can be designed as four groups accordingly, be respectively used to control arm luffing, flexible,
Revolution and the hoisting of steel wire rope.Needing exist for explanation, the type of derricking motion, quantity are not limited to
In this, such as, in some lorry-mounted crane, arm can only carry out hoisting of luffing, revolution and steel wire rope,
Three-group linkage mechanism is set the most accordingly.
Often in group link gear, each control crank is respectively provided with contrary two steering.Such as, to hang
Arm flexible as a example by, arm attonity when control crank is in room, when forward pulls control crank, arm
Stretching out, when reversely pulling control crank, arm is retracted." forward " and " reversely " can be according to concrete feelings
Condition defines, and such as, " forward " refers to clockwise, and " reversely " refers to counterclockwise, or " forward " refers to the inverse time
Pin, " reversely " refers to clockwise.
Can refer to shown in Fig. 6, further, steerable system also includes: be fixed near upper-pilot handle 12
Supporting leg 13 above seat (not shown).Such as, lean on when the position that arranges of upper-pilot handle 12
During nearly left side supporting leg, seat is fixed on the top of left side supporting leg, and personnel the most convenient to operate handle, and,
Operator are sitting on seat and carry out related manipulation, substantially increase manipulation comfort level, alleviate feeling of fatigue,
Design more hommization.
Side control crank 11 and upper-pilot handle 12 are connected, and the most no matter handle the manipulation of which position
Handle all can make lorry-mounted crane carry out lifting operation.This embodiment scheme is that operator provide more
Actuated position selects flexibly, when needs lift up rapidly weight, to lifting required precision relatively low time, example
If desired for quickly the single weight in compartment being carried to ground, at this moment operator can stand directly on ground
Upper-pilot side, face control crank 11；And when the weight amount needing accurate hoisting heavy or lifting is more
Time, operator can handle the upper-pilot handle 12 above supporting leg 13, operator's regarding when handling
Open country is the most wide, it can be observed that the weight lifting situation in container, therefore, substantially increases manipulation with car
The accuracy of crane and work efficiency.
Continuing referring to shown in Fig. 2, Fig. 3 and Fig. 4, adaptor 16 is installed in adaptor pivot dress axle 22；
First fixes axle 21 is vertically arranged, and the i.e. first pull bar 15 is horizontally disposed with, and described second fixes axle 23 and turn
Fitting pivot dress axle 22 is horizontally disposed with, and the i.e. second pull bar 17 is vertically arranged.Described first fixes axle 21, second
Fixing axle 23 and adaptor pivot dress axle 22 are vertically arranged two-by-two, and first fix axle 21, second fix axle
23 and adaptor pivot dress axle 22 be individually fixed in the frame of lorry-mounted crane.First pivot piece installing 14 is specially L
Shape pivot piece installing, an arm of L-shaped pivot piece installing is fixing with corresponding side control crank 11 to be connected, and L-shaped pivot fills
Another arm and first pull bar 15 of part are hinged；Adaptor 16 is specially sleeve, and the periphery of sleeve is fixed with
With the first pull bar 15 and the corresponding hinged multiple connectors 33 of the second pull bar 17；Second pivot piece installing 18 is concrete
For connecting fork, connect that non-open side and the upper-pilot handle 12 of fork is fixing to be connected, connect the open side pitched and
Second pull bar 17 is hinged.This frame mode makes steerable system have more compact construction, and each zero
Positioning parts is convenient, and assembly cost is relatively low.Further, the company being articulated and connected with described first pull bar 15
Fitting 33 is positioned at downside and the upside of described adaptor 16, the connector being articulated and connected with the second pull bar 17
33 left side being positioned at described adaptor 16 or right sides.Accordingly, when adaptor 16 rotates, the first pull bar
15 and second pull bar 17 can more effectively link with described adaptor 16.
The most often group link gear in, the quantity of side control crank 11 is two, lay respectively at
The both sides of car crane；Adaptor 16 is between two side control cranks 11, and is positioned at upper-pilot handle
The lower section of 12；Two side control cranks 11 and upper-pilot handle 12 synchronize and link in the same direction.For making structure tight
Gathering and reduce assembly cost, side control crank 11 is horizontally disposed with, and upper-pilot handle 12 is vertically arranged, and first
Pull bar 15 is horizontally disposed with, and the second pull bar 17 is vertically arranged.This embodiment steerable system is provided with three behaviour altogether
Plaga, operator can handle lorry-mounted crane, the behaviour of any point from three any one handled point
Vertical action can be delivered to other 2 points, and this provides actuated position choosing the most flexibly for operator
Select, substantially increase the work efficiency handling lorry-mounted crane.Such as, operator can rise according to car
The heavily stowed location of the surrounding enviroment of transport vehicle, material, or self residing current location etc. select behaviour
Vertical handle, when selecting to handle upper-pilot handle, can observe the weight lifting situation in container simultaneously, improve
The accuracy handled and work efficiency.Additionally, often group link gear in, each side control crank 11 and on
Control crank 12 synchronizes and linkage makes no matter operator carry out related manipulation at which manipulation point in the same direction,
The direction of control action, amplitude are the most identical, therefore only need to carry out related manipulation i.e. according to the motor habit of oneself
Can, greatly reduce the probability of error operations, improve the safety of manipulation.
Incorporated by reference to shown in Fig. 2 and Fig. 5, the hydraulic valve of hydraulic system for lorry-mounted crane controls the corresponding of arm to be risen
Heavily action, is moved by the spool of connecting rod band hydraulic valve, thus it is possible to vary the aperture of hydraulic valve, thus realizes
The corresponding actions of arm.Owing to linking between each side control crank 11 and upper-pilot handle 12, therefore control
The spool 20 of the hydraulic valve 19 making corresponding derricking motion both can be arranged on the first pull bar 15, it is also possible to
It is arranged on the second pull bar 17.Linkage arrangement in this embodiment is simple, compact, takes up room relatively
Few, reliable transmission, and design conveniently, it is the most time saving and energy saving to assemble.
As shown in Figures 2 and 3, more excellent, each first pull bar 15 and 17 points of each second pull bar
Being equipped with stud 31 the most along its length, the thread rotary orientation at stud 31 two ends is contrary.In assembling
During linkage, easily pull bar length can be adjusted by stud 31, so can subtract
The installation difficulty of few pull bar, improves installation accuracy, reduces assembly cost.
Refer to shown in Fig. 4, this steerable system also includes travel switch 24, triggers device and control device (figure
Not shown in), wherein:
Triggering device includes: at least one second pull bar 17(can also be in the same side at least one
One pull bar) the corresponding contact pressing piece 25 connected；Rotary shaft 26, rotary shaft 26 is fixed with and can open with stroke
Close the first pressing plate 27 of 24 abuttings, the second pressing plate 28 of corresponding each contact pressing piece 25 setting and reset
Spring fixed plate 29；Return spring 30, including fixing end and telescopic end, telescopic end is solid with return spring fixed plate 29
Fixed connection；
When connecting the pull bar positive movement of contact pressing piece 25, contact pressing piece 25 promotes the second pressing plate 28 of correspondence,
Second pressing plate 28 is rotated axle 26 and the first pressing plate 27 rotates, and makes the first pressing plate 27 and travel switch 24
Separate, change the open and-shut mode of travel switch 24；When connecting the pull bar adverse movement of contact pressing piece 25, touch
Casting die 25 separates with the second corresponding pressing plate 28, and return spring 30 pulls return spring fixed plate 29 and rotary shaft
26 rotate, and make the first pressing plate 27 abut with travel switch 24, change the open and-shut mode of travel switch 24；
Control device to be connected, according to row with the hydraulic system signal of travel switch 24 and lorry-mounted crane respectively
The open and-shut mode of Cheng Kaiguan 24 and the sling load of lorry-mounted crane judge when whether front control is dangerous manipulation,
When being judged as dangerous manipulation, control hydraulic system and be in the lock state.
The steerable system of this embodiment can detect in time in safety to handling, current behaviour once detected
Indulge and handle for danger, can in time hydraulic system be locked, thus stop the further generation of danger, increase
Add the safety of lorry-mounted crane, decrease the loss brought because of error operations.
The type controlling device does not limits, such as, can be limiter of moment etc..Travel switch is also known as limit switch
Or position switch, it is the control electricity of a kind of travel position according to moving component and switching circuit duty
Device.Travel switch 24 could be arranged to normally open, when closing to controlling the device transmission signal of telecommunication, OK
Cheng Kaiguan 24 is it can also be provided that normally off, and upon opening to controlling the device transmission signal of telecommunication, these can
To need to be set according to concrete design.
Travel switch 24 and triggering device 25 can be arranged on the first pull bar 15 side, it is also possible to be arranged on
No matter second pull bar 17 side, owing to the first pull bar 15 and the second pull bar 17 are connected, be arranged on which
Side all can realize safeguard protection.
As shown in Figure 4, in this embodiment, travel switch 24 and triggering device are arranged on the second pull bar 17 1
Side, contact pressing piece 25 is relative with the second pressing plate 28 position, both can be the contact pressing piece top that is positioned at the second pressing plate,
Can also be the second pressing plate top of being positioned at contact pressing piece, its specific constructive form needs combination to be actually needed to carry out
Design.
First pressing plate 27 and return spring fixed plate 29 can be by welding or alternate manner and rotary shafts 26
Fixing connection, the second pressing plate 28 can be connected, at this not by welding or alternate manner are fixing with pull bar
It is specifically limited.Can design contact pressing piece 25 and the quantity of the second pressing plate 28 according to actual needs, such as,
The only luffing of arm, flexible and wire rope lifting these three action needs to carry out safety judgement, at this moment, only
Need to arrange contact pressing piece on the connecting rod of the link gear corresponding to these three action, phase is set on the rotary shaft
The second pressing plate answered.
The positive movement connecting the pull bar of contact pressing piece 25 can be designed as dangerous sports direction, it is also possible to will
The adverse movement of the pull bar connecting contact pressing piece 25 is designed as dangerous sports direction.Such as, implement shown in Fig. 4
In example, when the second pull bar 17 moves upward, the handling safety of operator, when the second pull bar 17 is downward
During motion, the dirigibility of operator is dangerous, when the first pressing plate 27 separates with travel switch 24,
Controlling device and obtain the signal of telecommunication from travel switch 24, the sling load in conjunction with lorry-mounted crane is further
Judge when whether front control is dangerous manipulation.
Refer to Fig. 2 to Fig. 4 and combine shown in Fig. 6, this embodiment specifically includes four groups of link gears, point
Do not control hoisting of the luffing of arm, flexible, revolution and steel wire rope；Be provided with three handle points, wherein,
The side control crank 11 in left side corresponding first handles point 1, and point 2 handled by upper-pilot handle 12 corresponding second,
The side control crank 11 on right side the corresponding 3rd handles point 3, and second handles point 2 is positioned close to supporting leg 13
Side, supporting leg 13 is provided above seat (not shown).First handles point 1 and the 3rd handles point 3
Structure in adaptor 16 both sides is similar to, and handles point 1 using first here and illustrates as example.
First pivot piece installing 14 is L-shaped pivot piece installing, and an arm of L-shaped pivot piece installing is solid with side control crank 11
Fixed connection, another arm and the first pull bar 15 hinged (the connection fork structure especially by pull bar is hinged)；Turn
Fitting 16 is welded with the sleeve of three connectors 33 for periphery, and three connectors 33 draw with two first respectively
Bar 15 and the second pull bar 17 hinged (the connection fork structure especially by pull bar is hinged)；Second pivot piece installing 18
For connecting fork, upper-pilot handle 12 is connected with this that non-open side of fork is fixing to be connected, the second pull bar 17 be somebody's turn to do
The open side connecting fork is hinged.
This steerable system also includes installing plate 32, in order to fixative pressure valve 19 and other associated structural component.OK
Cheng Kaiguan 24, the fixing end of return spring 30 can be fixed on this installing plate 32, the support member of rotary shaft 26
Could be secured on this installing plate 32.
In this embodiment, with luffing, hoist and corresponding three piece the second pull bar 17 respectively the most corresponding company of stretching
One of them is positioned at front side to meet a contact pressing piece 25(, illustrates in the drawings, and two other is positioned at rear side, in figure
Not shown), each contact pressing piece 25 includes pressing plate and the bolt being fixedly connected with the pressing plate, the wherein end of bolt
Portion can promote the second pressing plate 28 to move.
Three work process handling some linkage are as follows:
As a example by the side control crank 11 handling the control boom frame telescopic at the first manipulation point 1, inverse from room
Hour hands pull side control crank 11, and the first pivot piece installing 14 promotes the first pull bar 15 to the direction of adaptor 16
Motion, the first pull bar 15 promotes adaptor 16 to rotate counterclockwise, adaptor 16 promote the second pull bar 17 to
Upper motion (the first pull bar simultaneously promoting opposite side is handled to first and moved at point 1), the second pull bar 17 carries
The spool 20 of hydraulic valve 19 moves, thus changes the aperture of hydraulic valve 19, it is achieved the retraction of arm.
When handling the side control crank 11 at the first manipulation point 1, second handles the corresponding upper-pilot handle at point 2
12 and the 3rd handle the corresponding side control crank at point 3 also can synchronize homodromous movement.Accordingly, suitable from room
Hour hands pull side control crank 11, can realize stretching out of arm.The luffing of arm, revolution and steel wire rope
The principle that hoists is similar, repeats the most one by one.
The security control process of steerable system is as follows:
Assume that travel switch 24 normally off is safe condition, as a example by the expanding-contracting action of arm, arm
Retract action is safe action, and the extending action of arm is possible to produce dangerous action.When handling arbitrary behaviour
Corresponding control crank at plaga, when making the second pull bar 17 move upward, jib is retracted, the second pull bar 17
The contact pressing piece 25 of upper welding is lifted up, and the bolt of contact pressing piece 25, away from the second pressing plate 28, now first is pressed
Plate 27 abuts with travel switch 24 under the pulling force effect of return spring 30, and travel switch 24 is in closed form
State, controls device and does not receives the signal of telecommunication of travel switch 24, and the action of arm is safe action.Work as manipulation
Corresponding control crank at either maneuver point, when making the second pull bar 17 move downward, jib stretches out, and presses
Bolt pusher second pressing plate 28 of part 25, the second pressing plate 28 is rotated axle 26 and the first pressing plate 27 rotates,
Make the first pressing plate 27 separate with travel switch 24, travel switch 24 is disconnected, now, control device and receive
To the signal of telecommunication of travel switch 24, determine that this action is possible to produce dangerous action and determine whether this
Under state, whether the weight of lifting exceedes rated load, if it is, determine that this moves into dangerous play the most in time
Sending the signal of telecommunication to hydraulic system, control hydraulic system and be in the lock state, now, arm will be unable to continue
Stretch out (can only stopping or retracting).After control crank is repositioned to room, the first pressing plate 27 will be
Again abutting with travel switch 24 under the effect of return spring 30, precarious position releases.
It is noted that corresponding relation between backward stick action direction and hoisting arm expansion action, travel switch
Normality arrange, and trigger device concrete structure be not limited thereto, can design according to real needs
Corresponding version, will not enumerate at this.
As it is shown in fig. 7, the steerable system of the lorry-mounted crane of another embodiment of the present invention, often organize link gear
In, the quantity of side control crank 11 is one, is positioned at the side of lorry-mounted crane.Operator can be from
Handle for two and point selects actuated position flexibly, and when operator grasp above the supporting leg of lorry-mounted crane
During vertical upper-pilot handle 12, it can be observed that the weight lifting situation in container, substantially increase manipulation with
The accuracy of car crane and work efficiency.
The embodiment of the present invention additionally provides a kind of lorry-mounted crane, including the manipulation system of aforementioned any embodiment
System, the actuated position of operator selects more flexible, and can handle lorry-mounted crane accurately and efficiently.
The embodiment of the present invention additionally provides a kind of truck with loading crane, including previous embodiment with car lifting
Machine, the actuated position of operator selects more flexible, and can handle lorry-mounted crane accurately and efficiently.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. the steerable system of a lorry-mounted crane, it is characterised in that include being set up in parallel and controlling respectively
Many groups link gear of inhomogeneity derricking motion, often organizes described link gear and includes:
It is positioned at the side control crank (11) of lorry-mounted crane at least side, and is positioned at propping up of lorry-mounted crane
The upper-pilot handle (12) of lower limb (13) top, each described side control crank (11) and described upper-pilot
Handle (12) realizes linkage by linkage, and wherein, described linkage includes:
Each described side control crank (11) fixed connect the first pivot piece installing (14), described first
Pivot piece installing (14) is installed in first and fixes axle (21)；
Described upper-pilot handle (12) is fixed the second pivot piece installing (18) connected, described second pivot piece installing
(18) it is installed in second and fixes axle (23)；
Adaptor (16)；
The first pull bar (15) between each the first pivot piece installing (14) and adaptor (16), its two ends
Hinged with described first pivot piece installing (14) and described adaptor (16) respectively and described adaptor (16) can be driven
Rotate；
The second pull bar (17) between second pivot piece installing (18) and adaptor (16), its two ends respectively with
Described second pivot piece installing (18) and described adaptor (16) hinged and can drive described adaptor (16) turn
Dynamic；
The control corresponding lifting that connect fixing to arbitrary first pull bar (15) or arbitrary second pull bar (17) is moved
The spool (20) of the hydraulic valve (19) made；
Often organizing in described link gear, the quantity of side control crank (11) is two, lays respectively at and rises with car
The both sides of heavy-duty machine；
Described adaptor (16) is positioned between two side control cranks (11), and is positioned at upper-pilot handle (12)
Lower section；
Said two side control crank (11) and upper-pilot handle (12) synchronize and link in the same direction；
Described steerable system also includes travel switch (24), triggers device and control device, wherein:
Described triggering device includes:
At least one second pull bar (17) or to be positioned at least one first pull bar (15) of the same side corresponding
The contact pressing piece (25) connected；
Rotary shaft (26), described rotary shaft (26) is fixed with and can support with described travel switch (24)
The second pressing plate (28) that the first pressing plate (27) of connecing, each described contact pressing piece (25) corresponding are arranged with
And return spring fixed plate (29)；
Return spring (30), including fixing end and telescopic end, described telescopic end and described return spring fixed plate (29)
Fixing connection；
When connecting the first pull bar (15) or the second pull bar (17) positive movement of described contact pressing piece (25),
Described contact pressing piece (25) promotes corresponding described second pressing plate (28), and described second pressing plate (28) drives
Described rotary shaft (26) and described first pressing plate (27) rotate, and make described first pressing plate (27) with described
Travel switch (24) separates, and changes the open and-shut mode of described travel switch (24)；Press described in connecting
When first pull bar (15) of part (25) or the second pull bar (17) adverse movement, described contact pressing piece (25)
Separating with corresponding described second pressing plate (28), described return spring (30) pulls described return spring fixed plate
(29) rotate with described rotary shaft (26), make described first pressing plate (27) and described travel switch (24)
Abut, change the open and-shut mode of described travel switch (24)；
Described control device is believed with the hydraulic system of described travel switch (24) and described lorry-mounted crane respectively
Number connect, judge to work as according to the sling load of the open and-shut mode of described travel switch (24) and lorry-mounted crane
Whether front control is dangerous manipulation, when being judged as dangerous manipulation, controls hydraulic system and is in the lock state.
2. steerable system as claimed in claim 1, it is characterised in that
Described adaptor (16) is installed in adaptor pivot dress axle (22)；
Described first fixes axle (21) is vertically arranged, and described second fixes axle (23) and adaptor pivot dress axle
(22) be horizontally disposed with, described first fix axle (21), second fix axle (23) and adaptor pivot dress axle
(22) it is vertically arranged two-by-two, and described first fixes axle (21), second fix axle (23) and adaptor
Pivot dress axle (22) is individually fixed in the frame of lorry-mounted crane.
3. steerable system as claimed in claim 2, it is characterised in that
Described first pivot piece installing (14) is L-shaped pivot piece installing, and an arm of described L-shaped pivot piece installing is with corresponding
Side control crank (11) fixing connect, another arm of described L-shaped pivot piece installing and the first pull bar (15)
Hinged；
Described adaptor (16) is sleeve, and the periphery of described sleeve is fixed with and the first pull bar (15) and
The corresponding hinged multiple connectors (33) of two pull bars (17)；
Described second pivot piece installing (18) is pitched for connecting, the described non-open side connecting fork and upper-pilot handle (12)
Fixing connection, the open side of described connection fork is hinged with the second pull bar (17).
4. steerable system as claimed in claim 1, it is characterised in that each described first pull bar (15)
Second pull bar (17) described with each is equipped with stud (31) the most along its length, described double
The thread rotary orientation at hook bolt (31) two ends is contrary.
5. steerable system as claimed in claim 1, it is characterised in that described side control crank (11)
Being horizontally disposed with, described upper-pilot handle (12) is vertically arranged, and described first pull bar (15) is horizontally disposed with,
Described second pull bar (17) is vertically arranged.
6. steerable system as claimed in claim 5, it is characterised in that described steerable system also includes:
It is fixed on the seat of supporting leg (13) top near described upper-pilot handle (12).
7. a lorry-mounted crane, it is characterised in that include the behaviour as described in any one of claim 1～6
Vertical system.
8. a truck with loading crane, it is characterised in that include rising with car as claimed in claim 7
Heavy-duty machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615748.8A CN103626036B (en) | 2013-11-27 | 2013-11-27 | The steerable system of lorry-mounted crane, lorry-mounted crane and truck with loading crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615748.8A CN103626036B (en) | 2013-11-27 | 2013-11-27 | The steerable system of lorry-mounted crane, lorry-mounted crane and truck with loading crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103626036A CN103626036A (en) | 2014-03-12 |
| CN103626036B true CN103626036B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310615748.8A Active CN103626036B (en) | 2013-11-27 | 2013-11-27 | The steerable system of lorry-mounted crane, lorry-mounted crane and truck with loading crane |
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| CN (1) | CN103626036B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085795B (en) * | 2014-06-25 | 2017-01-04 | 长治清华机械厂 | The middle bit manipulation device of straight arm type truck-mounted crane |
| CA2965987C (en) * | 2014-10-29 | 2023-02-28 | Clark Equipment Company | Mechanical linkage for control of power machine |
| CN104627822B (en) * | 2014-12-26 | 2016-10-05 | 中联重科股份有限公司 | Crane support operating mechanism and there is its crane |
| CN104760891A (en) * | 2015-03-06 | 2015-07-08 | 长治清华机械厂 | A truck-mounted crane four-orientation operating mechanism |
| CN111646368B (en) * | 2020-06-19 | 2020-12-22 | 湖南昊天汽车制造有限公司 | Overturning flexible shaft operating device for crane |
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| CN102616664A (en) * | 2012-03-22 | 2012-08-01 | 三一汽车起重机械有限公司 | Linkage device and engineering machinery |
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| CN203079563U (en) * | 2013-01-25 | 2013-07-24 | 徐州徐工随车起重机有限公司 | Third operation mechanism applied to lorry-mounted crane |
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| JP2857697B2 (en) * | 1990-05-07 | 1999-02-17 | 株式会社表鉄工所 | Truck crane operating device |
| CN201793326U (en) * | 2010-08-30 | 2011-04-13 | 湖南飞涛专用汽车制造有限公司 | Novel handle collision block linkage system |
| CN202116201U (en) * | 2011-05-28 | 2012-01-18 | 湖南宝龙专用汽车有限公司 | Upper operation system of rack of lorry-mounted crane |
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|---|---|
| CN103626036A (en) | 2014-03-12 |
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