CN103626036A - Lorry-mounted crane, control system thereof and lorry-mounted hoisting and conveying vehicle - Google Patents
Lorry-mounted crane, control system thereof and lorry-mounted hoisting and conveying vehicle Download PDFInfo
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- CN103626036A CN103626036A CN201310615748.8A CN201310615748A CN103626036A CN 103626036 A CN103626036 A CN 103626036A CN 201310615748 A CN201310615748 A CN 201310615748A CN 103626036 A CN103626036 A CN 103626036A
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Abstract
The invention discloses a lorry-mounted crane, a control system thereof and a lorry-mounted hoisting and conveying vehicle. The control system of the lorry-mounted crane is used for providing the flexible selection on control positions for operators and improving the operation accuracy and work efficiency of the lorry-mounted crane controlled by the operators. The control system of the lorry-mounted crane provided by the invention comprises multiple groups of linkage mechanisms which are arranged in parallel and are used for controlling different hoisting movements, wherein each group of linkage mechanism comprises side control handles on at least one side of the lorry-mounted crane and upper control handles above supporting legs of the lorry-mounted crane, and each side control handle and the corresponding upper control handle are in linkage through a connecting rod mechanism.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of maneuvering system, lorry-mounted crane and truck with loading crane of lorry-mounted crane.
Background technology
Lorry-mounted crane, claims again truck-mounted crane, is conventionally assemblied on the chassis of goods carrying vehicle, is many actions elevator machinery of a kind of vertical-lift within the specific limits and horizontal carrying heavy goods.Lorry-mounted crane generally includes bracing or strutting arrangement and is arranged on the arm on bracing or strutting arrangement by turning gear.The goods carrying vehicle that installs lorry-mounted crane additional is called as truck with loading crane, can realize the dual-use function of hoisting operation and material transportation.
In the prior art, lorry-mounted crane is arranged between operator's compartment and compartment conventionally, the control of its arm is adopted to the maneuverability pattern of 2 interlocks in left and right that are arranged in both sides, compartment mostly, no matter operating personal stands in ground, left side or the ground, right side in compartment, all can complete by handling the bar handle of place side the actions such as hoisting of the revolution, luffing of arm, flexible and steel rope.
In practice, the requirement of lorry-mounted crane lifting operation is not quite similar.For example, sometimes need lift up rapidly weight, sometimes need accurate hoisting heavy or lift by crane a fairly large number of weight, and the latter is often relatively high to the lifting accuracy requirement of lorry-mounted crane.
The defect that prior art exists is, the selection of operating personal actuated position is dumb, when the weight lifting by crane is more or need accurate hoisting heavy, while operating due to operating personal, station on the ground, its visual field is limited, cannot observe the weight lifting situation in container, this has influence on accuracy and the work efficiency of hoisting operation greatly.
Summary of the invention
The embodiment of the present invention provides a kind of maneuvering system, lorry-mounted crane and truck with loading crane of lorry-mounted crane, in order to provide actuated position comparatively flexibly to select to operating personal, and improve accuracy and the work efficiency that operating personal is handled lorry-mounted crane.
The maneuvering system of lorry-mounted crane of the present invention, comprises the many groups link gear that is set up in parallel and controls respectively inhomogeneity derricking motion, and described in every group, link gear comprises:
Be positioned at the side bar handle of at least one side of lorry-mounted crane, and the upper bar handle that is positioned at the supporting leg top of lorry-mounted crane, described in each, side bar handle and described upper bar handle are realized interlock by connecting rod mechanism, and wherein, described connecting rod mechanism comprises:
The first pivot piece installing that described in each, side bar handle is fixedly connected with, described the first pivot piece installing is installed in the first anchor shaft;
The second pivot piece installing that described upper bar handle is fixedly connected with, described the second pivot piece installing is installed in the second anchor shaft;
Adaptor;
The first pull bar between each first pivot piece installing and adaptor, two ends are respectively with described the first pivot piece installing with described adaptor is hinged and can drive described adaptor to rotate;
The second pull bar between the second pivot piece installing and adaptor, two ends are respectively with described the second pivot piece installing with described adaptor is hinged and can drive described adaptor to rotate;
The spool of the hydraulic valve of the corresponding derricking motion of control being fixedly connected with arbitrary the first pull bar or the second pull bar.
In technical solution of the present invention, the upper bar handle of side bar handle and supporting leg top is connected, operating personal can be selected actuated position flexibly, when handling bar handle above the supporting leg of operating personal at lorry-mounted crane, can observe the weight lifting situation in container, therefore, greatly improved accuracy and the work efficiency of handling lorry-mounted crane.
Preferably, for link gear described in every group, described adaptor is installed in adaptor pivot dress axle;
Described the first anchor shaft vertically arranges, described the second anchor shaft and adaptor pivot dress axle are horizontally disposed with, described the first anchor shaft, the second anchor shaft and the vertical setting between two of adaptor pivot dress axle, and described the first anchor shaft, the second anchor shaft and adaptor pivot dress axle are individually fixed in the frame of lorry-mounted crane.
Preferably, described the first pivot piece installing is L shaped pivot piece installing, and an arm of described L shaped pivot piece installing is fixedly connected with corresponding side bar handle, 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 hinged a plurality of attaching partss corresponding to the first pull bar and the second pull bar;
Described the second pivot piece installing is shaft clevis, and the non-open side of described shaft clevis is fixedly connected with upper bar handle, and the open side of described shaft clevis and the second pull bar are hinged.
The connecting rod mechanism of above scheme is simple in structure, compact, reliable transmission, and cost is lower.
Preferably, this maneuvering system also comprises travel switch, flip flop equipment and control setup, wherein:
Described flip flop equipment comprises:
At least one second pull bar or be positioned at the same side at least one the first pull bar the corresponding contact pressing piece connecting;
S. A., on described S. A., be fixed with can with the first pressing plate of described travel switch butt, corresponding contact pressing piece arranges described in each the second pressing plate and return spring adapter plate;
Return spring, comprises fixed end and telescopic end, and described telescopic end is fixedly connected with described return spring adapter plate;
When connecting the pull bar positive movement of described contact pressing piece, described contact pressing piece promotes corresponding described the second pressing plate, described the second pressing plate drives described S. A. and described the first press plate rotary, makes described the first pressing plate separated with described travel switch, changes the open and-shut mode of described travel switch; When connecting the pull bar counter motion of described contact pressing piece, described contact pressing piece is separated with corresponding described the second pressing plate, described return spring pulls described return spring adapter plate and described S. A. to rotate, and makes described the first pressing plate and described travel switch butt, changes the open and-shut mode of described travel switch;
Described control setup is connected with the hydraulic efficiency pressure system signal of described travel switch and described lorry-mounted crane respectively, whether according to the hook load judgement of the open and-shut mode of described travel switch and lorry-mounted crane, work as front control is dangerous manipulation, when being judged as dangerous manipulation, controlling hydraulic efficiency pressure system and be in the lock state.
The maneuvering system of this structure can detect the safety of handling in time, once detect when front control, for dangerous, handle, can in time hydraulic efficiency pressure system be locked, thereby stop dangerous further generation, greatly increase the safety of lorry-mounted crane, reduced the loss bringing because of error operations.
More excellent, described in the first pull bar and each root, the second pull bar is equipped with respectively thru-bolt along its length described in each root, and the thread rotary orientation at described thru-bolt two ends is contrary.When assembling connecting rod mechanism, can to pull bar length, regulate easily by thru-bolt, greatly reduced the installation difficulty of pull bar, reduced assembly cost.
Further, described in every group, in link gear, the quantity of side bar handle is two, lays respectively at the both sides of lorry-mounted crane;
Described adaptor, between two side bar handles, and is positioned at the below of bar handle;
Two side bar handles and upper bar handle synchronously and in the same way link.
In this scheme, which is operating personal no matter handle some manipulations of be correlated with at, and control action direction is all identical, has greatly reduced the probability of error operations, has improved the safety of handling, and the selection of handling point more enrich, flexible.
Preferably, described side bar handle is horizontally disposed with, and described upper bar handle vertically arranges, and described the first pull bar is horizontally disposed with, and described the second pull bar vertically arranges.This maneuvering system structure is compacter, be convenient to save assembly cost.
Preferably, described maneuvering system also comprises: be fixed on the seat near the supporting leg top of described upper bar handle.This scheme has improved the manipulation comfort level of operating personal greatly, has alleviated sense of fatigue, designs comparatively hommization.
The embodiment of the present invention also provides a kind of lorry-mounted crane, comprises the maneuvering system described in aforementioned arbitrary technical scheme, and the actuated position of operating personal is selected comparatively flexible, and can handle accurately and efficiently described lorry-mounted crane.
The embodiment of the present invention also provides a kind of truck with loading crane, comprises the lorry-mounted crane described in previous embodiment, and the actuated position of operating personal is selected comparatively flexible, and can handle accurately and efficiently described lorry-mounted crane.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that the Control System of lorry-mounted crane of the present invention is unified embodiment;
Fig. 2 is the perspective view that the Control System of lorry-mounted crane of the present invention is unified embodiment;
Fig. 3 is the structure for amplifying schematic diagram that Fig. 2 first handles some place;
Fig. 4 is the structure for amplifying schematic diagram that Fig. 2 second handles some place;
Fig. 5 is the valve core connecting structure schematic diagram of the second pull bar and 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 maneuvering system of lorry-mounted crane of the present invention.
Reference numeral:
1-first handles some 2-second and handles some 3-the 3rd manipulation point
The upper bar handle 13-supporting leg of 11-side bar handle 12-
14-first pivot piece installing 15-the first pull bar 16-adaptor
17-second pull bar 18-the second pivot piece installing 19-hydraulic valve
20-spool 21-the first anchor shaft 22-adaptor pivot dress axle
23-the second anchor shaft 24-travel switch 25-contact pressing piece
26-S. A. 27-first pressing plate 28-the second pressing plate
29-return spring adapter plate 30-return spring 31-thru-bolt
32-adapter plate 33-attaching parts
The specific embodiment
For being provided to operating personal, actuated position comparatively flexibly selects, and improving accuracy and the work efficiency that operating personal is handled lorry-mounted crane, the embodiment of the present invention provides a kind of maneuvering system, lorry-mounted crane and truck with loading crane of lorry-mounted crane.In this technical scheme, the upper bar handle of the side bar handle of lorry-mounted crane side and supporting leg top is connected, operating personal can be selected actuated position flexibly, when handling bar handle above the supporting leg of operating personal at lorry-mounted crane, can observe the weight lifting situation in container, therefore, greatly improved accuracy and the work efficiency of 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, the Control System that Fig. 1 is lorry-mounted crane of the present invention is unified the main TV structure schematic diagram of embodiment; Fig. 2 is the perspective view that the Control System of lorry-mounted crane of the present invention is unified embodiment; Fig. 3 is the structure for amplifying schematic diagram that Fig. 2 first handles some place; Fig. 4 is the structure for amplifying schematic diagram that Fig. 2 second handles some place; Fig. 5 is the valve core connecting structure schematic diagram of the second pull bar and hydraulic valve in an embodiment; Fig. 6 is the front view of lorry-mounted crane one embodiment of the present invention.
The maneuvering system of the lorry-mounted crane that the embodiment of the present invention provides, comprises the many groups link gear that is set up in parallel and controls respectively inhomogeneity derricking motion, and every group of link gear comprises:
Be positioned at the side bar handle 11 of at least one side of lorry-mounted crane, and the upper bar handle 12 that is positioned at supporting leg 13 tops of lorry-mounted crane, each side bar handle 11 and upper bar handle 12 are realized interlock by connecting rod mechanism, and wherein, connecting rod mechanism comprises:
The first pivot piece installing 14, the first pivot piece installings 14 that each side bar handle 11 is fixedly connected with are installed in the first anchor shaft 21;
The second pivot piece installing 18, the second pivot piece installings 18 that upper bar handle 12 is fixedly connected with are installed in the second anchor shaft 23;
The first pull bar 15 between each first pivot piece installing 14 and adaptor 16, two ends are respectively with the first pivot piece installing 14 with adaptor 16 is hinged and can drive adaptor 16 to rotate;
The second pull bar 17 between the second pivot piece installing 18 and adaptor 16, two ends are respectively with the second pivot piece installing 18 with adaptor 16 is hinged and can drive adaptor 16 to rotate;
The spool 20 of the hydraulic valve 19 of the corresponding derricking motion of control being fixedly connected with arbitrary the first pull bar 15 or the second pull bar 17.
The derricking motion of lorry-mounted crane generally includes hoisting of the luffing of arm, flexible, revolution and steel rope, and therefore, link gear can be designed to four groups accordingly, is respectively used to control hoisting of the luffing of arm, flexible, revolution and steel rope.Here it should be noted that, type, the quantity of derricking motion are not limited to this, and for example, in some lorry-mounted crane, arm can only carry out hoisting of luffing, revolution and steel rope, and at this moment three-group linkage mechanism is set accordingly.
In every group of link gear, each bar handle all has two contrary steerings.For example, take the stretching as example of arm, bar handle is arm attonity when room, and when forward is pulled bar handle, arm stretches out, and while oppositely pulling bar handle, arm is retracted." forward " and " oppositely " can define as the case may be, and for example, " forward " refers to cw, and " oppositely " refers to conter clockwise, or " forward " refer to conter clockwise, and " oppositely " refers to cw.
Can be with reference to shown in Fig. 6, further, maneuvering system also comprises: be fixed on the seat (not shown) near supporting leg 13 tops of upper bar handle 12.For example, when the setting position of upper bar handle 12 is during near left side supporting leg, seat is fixed on the top of left side supporting leg, convenient operation personnel handle like this, and operating personal is sitting in the enterprising line correlation of seat and handles, greatly improve manipulation comfort level, alleviated sense of fatigue, designed comparatively hommization.
Side bar handle 11 and upper bar handle 12 are connected, and the bar handle of therefore no matter handling which position all can make lorry-mounted crane carry out lifting operation.This embodiment scheme is selected for operating personal provides actuated position comparatively flexibly, when needs lift up rapidly weight, when relatively low to lifting accuracy requirement, for example need fast speed that the single weight in compartment is carried to ground, at this moment operating personal can stand directly on drilling longitudinal side, ground bar handle 11; And when needing the weight quantity of accurate hoisting heavy or lifting more, operating personal can be handled the upper bar handle 12 of supporting leg 13 tops, the visual field of operating personal when handling is comparatively wide, can observe the weight lifting situation in container, therefore, greatly improved accuracy and the work efficiency of handling lorry-mounted crane.
Shown in Fig. 2, Fig. 3 and Fig. 4, adaptor 16 is installed in adaptor pivot dress axle 22; The first anchor shaft 21 vertically arranges, and the first pull bar 15 is horizontally disposed with, and described the second anchor shaft 23 and adaptor pivot dress axle 22 are horizontally disposed with, and the second pull bar 17 vertically arranges.Described the first anchor shaft 21, the second anchor shaft 23 and the vertical setting between two of adaptor pivot dress axle 22, and the first anchor shaft 21, the second anchor shaft 23 and adaptor pivot dress axle 22 are individually fixed in the frame of lorry-mounted crane.The first pivot piece installing 14 is specially L shaped pivot piece installing, and an arm of L shaped pivot piece installing is fixedly connected with corresponding side bar handle 11, and another arm of L shaped pivot piece installing and the first pull bar 15 are hinged; Adaptor 16 is specially sleeve, and the periphery of sleeve is fixed with and the corresponding hinged a plurality of attaching partss 33 of the first pull bar 15 and the second pull bar 17; The second pivot piece installing 18 is specially shaft clevis, and the non-open side of shaft clevis is fixedly connected with upper bar handle 12, and the open side of shaft clevis and the second pull bar 17 are hinged.This frame mode makes maneuvering system have more compact design, and each position components is convenient, and assembly cost is lower.Further, the attaching parts 33 being articulated and connected with described the first pull bar 15 is positioned at downside and the upside of described adaptor 16, and the attaching parts 33 being articulated and connected with the second pull bar 17 is positioned at left side or the right side of described adaptor 16.Accordingly, when adaptor 16 rotates, the first pull bar 15 and the second pull bar 17 can more effectively link with described adaptor 16.
In every group of link gear, the quantity of side bar handle 11 is two as shown in Figure 2, lays respectively at the both sides of lorry-mounted crane; Adaptor 16, between two side bar handles 11, and is positioned at the below of bar handle 12; Two side bar handles 11 and upper bar handle 12 are synchronously and interlock in the same way.For making compact conformation and reducing assembly cost, side bar handle 11 is horizontally disposed with, and upper bar handle 12 vertically arranges, and the first pull bar 15 is horizontally disposed with, and the second pull bar 17 vertically arranges.This embodiment Control System is altogether provided with three and handles point, operating personal can be handled lorry-mounted crane from three any one that handle point, the control action of any point can both be delivered to other 2 points, this selects for operating personal provides actuated position comparatively flexibly, has greatly improved the work efficiency of handling lorry-mounted crane.For example, operating personal can be according to the stowed location of the ambient environment of truck with loading crane, material, or self residing current location etc. is selected bar handle, when selecting to handle upper bar handle, the weight lifting situation in container be can observe simultaneously, accuracy and the work efficiency handled improved.In addition, in every group of link gear, each side bar handle 11 and upper bar handle 12 synchronously and in the same way link and make operating personal no matter at which, handle and put the manipulation of being correlated with, the direction of control action, amplitude are all identical, therefore only need be according to the motor habit of oneself manipulation of being correlated with, greatly reduce the probability of error operations, improved the safety of handling.
Shown in Fig. 2 and Fig. 5, the hydraulic valve of hydraulic system for lorry-mounted crane is controlled the corresponding derricking motion of arm, by connecting rod, drives the spool of hydraulic valve to move, and can change the aperture of hydraulic valve, thereby realize the corresponding actions of arm.Due to interlock between each side bar handle 11 and upper bar handle 12, the spool 20 of therefore controlling the hydraulic valve 19 of corresponding derricking motion both can be arranged on the first pull bar 15, also can be arranged on the second pull bar 17.Connecting rod mechanism in this embodiment is simple in structure, compact, takes up room less, and reliable transmission, and design is convenient, and it is also comparatively time saving and energy saving to assemble.
As shown in Figures 2 and 3, more excellent, each root the first pull bar 15 and each root second pull bar 17 are equipped with respectively thru-bolt 31 along its length, and the thread rotary orientation at thru-bolt 31 two ends is contrary.When assembling connecting rod mechanism, can to pull bar length, regulate easily by thru-bolt 31, can reduce like this installation difficulty of pull bar, improve setting accuracy, reduce assembly cost.
Please refer to shown in Fig. 4, this maneuvering system also comprises travel switch 24, flip flop equipment and control setup (not shown), wherein:
Flip flop equipment comprises: at least one second pull bar 17(can be also at least one first pull bar that is positioned at the same side) the corresponding contact pressing piece 25 connecting; S. A. 26, is fixed with the second pressing plate 28 and the return spring adapter plate 29 that can arrange with the first pressing plate 27 of travel switch 24 butts, corresponding each contact pressing piece 25 on S. A. 26; Return spring 30, comprises fixed end and telescopic end, and telescopic end is fixedly connected with return spring adapter plate 29;
When connecting the pull bar positive movement of contact pressing piece 25, contact pressing piece 25 promotes the second corresponding pressing plate 28, the second pressing plate 28 driven rotary axles 26 and the first pressing plate 27 rotates, and makes the first pressing plate 27 separated with travel switch 24, changes the open and-shut mode of travel switch 24; When connecting the pull bar counter motion of contact pressing piece 25, contact pressing piece 25 is separated with the second corresponding pressing plate 28, and return spring 30 pulls return spring adapter plate 29 and S. A. 26 to rotate, and makes the first pressing plate 27 and travel switch 24 butts, changes the open and-shut mode of travel switch 24;
Control setup is connected with the hydraulic efficiency pressure system signal of travel switch 24 and lorry-mounted crane respectively, whether according to the hook load judgement of the open and-shut mode of travel switch 24 and lorry-mounted crane, work as front control is dangerous manipulation, when being judged as dangerous manipulation, controlling hydraulic efficiency pressure system and be in the lock state.
The maneuvering system of this embodiment can detect the safety of handling in time, once detect when front control, for dangerous, handle, can in time hydraulic efficiency pressure system be locked, thereby stop dangerous further generation, greatly increase the safety of lorry-mounted crane, reduced the loss bringing because of error operations.
The type of control setup is not limit, such as thinking limiter of moment etc.Travel switch claims again limit switch or position switch, and it is a kind of according to the travel position of movable parts and the control apparatus of commutation circuit mode of operation.Travel switch 24 can be set to normally open, when closure, to control setup, sends electric signal, and travel switch 24 also can be set to normally off, when disconnecting, to control setup, sends electric signal, and these can need to be set according to concrete design.
As shown in Figure 4, in this embodiment, travel switch 24 and flip flop equipment are arranged on the second pull bar 17 1 sides, contact pressing piece 25 is relative with the second pressing plate 28 positions, both can be the top that contact pressing piece is positioned at the second pressing plate, also can be the top that the second pressing plate is positioned at contact pressing piece, its specific constructive form need to design in conjunction with actual needs.
The first pressing plate 27 can be fixedly connected with S. A. 26 by welding or alternate manner with return spring adapter plate 29, and the second pressing plate 28 can be fixedly connected with pull bar by welding or alternate manner, at this, is not specifically limited.Can design according to actual needs the quantity of contact pressing piece 25 and the second pressing plate 28, for example, only the luffing of arm, flexible and these three actions of wire rope lifting need to be carried out safety judgement, at this moment, only need on the connecting rod of these three the corresponding link gears of action, contact pressing piece be set, corresponding the second pressing plate is set on S. A..
The positive movement that connects the pull bar of contact pressing piece 25 can be designed to dangerous sense of motion, also the counter motion that connects the pull bar of contact pressing piece 25 can be designed to dangerous sense of motion.For example, in embodiment illustrated in fig. 4, when the second pull bar 17 upward movement, the manoeuvring safety of operating personal, when the second pull bar 17 moves downward, the dirigibility of operating personal is dangerous, when the first pressing plate 27 is separated with travel switch 24, control setup obtains the electric signal from travel switch 24, and whether in conjunction with the further judgement of hook load of lorry-mounted crane, work as front control is dangerous manipulation.
Please refer to Fig. 2 to Fig. 4 and in conjunction with shown in Fig. 6, this embodiment specifically comprises four groups of link gears, control respectively hoisting of the luffing of arm, flexible, revolution and steel rope; Be provided with three and handle point, wherein, the side bar handle 11 corresponding first in left side is handled point 1, upper bar handle 12 corresponding second is handled point 2, the side bar handle 11 the corresponding the 3rd on right side is handled point 3, second handles point 2 sides that are arranged near supporting leg 13, and supporting leg 13 tops are provided with seat (not shown).It is similar in the structure of adaptor 16 both sides that the first manipulation point the 1 and the 3rd is handled point 3, and the first manipulation point 1 of usining here describes as example.
The first pivot piece installing 14 is L shaped pivot piece installing, and an arm of L shaped pivot piece installing is fixedly connected with side bar handle 11, another arm and the first pull bar 15 hinged (specifically hinged by the shaft clevis structure of pull bar); Adaptor 16 is welded with the sleeve of three attaching partss 33 for periphery, and three attaching partss 33 are hinged with two the first pull bars 15 and the second pull bar 17 (specifically hinged by the shaft clevis structure of pull bar) respectively; The second pivot piece installing 18 is shaft clevis, and upper bar handle 12 is fixedly connected with the non-open side of this shaft clevis, and the second pull bar 17 is hinged with the open side of this shaft clevis.
This maneuvering system also comprises adapter plate 32, in order to immobile liquid pressure valve 19 and other dependency structure part.The fixed end of travel switch 24, return spring 30 can be fixed on this adapter plate 32, and the strut member of S. A. 26 also can be fixed on this adapter plate 32.
In this embodiment, with luffing, hoist and stretch three the second pull bars 17 corresponding and be connected respectively a contact pressing piece 25(that one of them is positioned at front side, illustrate in the drawings, two other is positioned at rear side, not shown), each contact pressing piece 25 comprises pressing plate and the bolt being fixedly connected with pressing plate, and wherein the end of bolt can promote the second pressing plate 28 motions.
Three working processs of handling some interlock are as follows:
Take and handle the first manipulation to put the flexible side bar handle 11 of control jib at 1 place be example, from room conter clockwise, pull side bar handle 11, the first pivot piece installing 14 promotes the first pull bar 15 to the direction motion of adaptor 16, the first pull bar 15 promotes adaptor 16 and rotates counterclockwise, adaptor 16 promotes the second pull bar 17 upward movements (the first pull bar that simultaneously promotes opposite side is put 1 place to the first manipulation and moved), the second pull bar 17 drives the spool 20 of hydraulic valve 19 to move, thereby the aperture that changes hydraulic valve 19, realizes the retraction of arm.Handle first while handling the side bar handle 11 at point 1 place, the respective side bar handle that the second corresponding upper bar handle 12 and the 3rd of handling point 2 places is handled point 3 places is synchronous homodromous movement also.Accordingly, from room cw, pull side bar handle 11, can realize stretching out of arm.The luffing of arm, revolution and steel rope hoist principle similarly, repeat no longer one by one here.
The safety control process of maneuvering system is as follows:
Suppose that travel switch 24 normally offs are safe condition, the expanding-contracting action of arm of take is example, and the retract action of arm is safe action, and the extend action of arm is for may produce dangerous action.When handling the corresponding bar handle at arbitrary manipulation point place, while making the second pull bar 17 upward movement, jib is retracted, on the second pull bar 17, the contact pressing piece 25 of welding upwards lifts, the bolt of contact pressing piece 25 is away from the second pressing plate 28, now the first pressing plate 27 under the pulling force effect of return spring 30 with travel switch 24 butts, travel switch 24 is in closure state, control setup is not received the electric signal of travel switch 24, and the action of arm is safe action.When handling the corresponding bar handle at arbitrary manipulation point place, when the second pull bar 17 is moved downward, jib stretches out, the bolt of contact pressing piece 25 promotes the second pressing plate 28, the second pressing plate 28 driven rotary axles 26 and the first pressing plate 27 rotate, make the first pressing plate 27 separated with travel switch 24, travel switch 24 is disconnected, now, control setup is received the electric signal of travel switch 24, determine that this action is for producing dangerous action and further judge whether the weight lifting by crane under this state surpasses rated load, if, determine that this moves as dangerous play and to hydraulic efficiency pressure system, sends electric signal in time, control hydraulic efficiency pressure system is in the lock state, now, arm cannot continue to stretch out (can only stop or retracting).When bar handle is repositioned to behind room, the first pressing plate 27 by under the effect at return spring 30 again with travel switch 24 butts, precarious position is removed.
It is worth mentioning that, corresponding relation between backward stick action direction and hoisting arm expansion action, the normality setting of travel switch, and the concrete structure of flip flop equipment is not limited to this, can design corresponding version according to real needs, at this, will not enumerate.
As shown in Figure 7, the maneuvering system of the lorry-mounted crane of another embodiment of the present invention, in every group of link gear, the quantity of side bar handle 11 is one, is positioned at a side of lorry-mounted crane.Operating personal can be handled point and select flexibly actuated position from two, and when handling bar handle 12 above the supporting leg of operating personal at lorry-mounted crane, the weight lifting situation in container be can observe, accuracy and the work efficiency of handling lorry-mounted crane greatly improved.
The embodiment of the present invention also provides a kind of lorry-mounted crane, comprises the maneuvering system of aforementioned arbitrary embodiment, and the actuated position of operating personal is selected comparatively flexible, and can handle accurately and efficiently lorry-mounted crane.
The embodiment of the present invention also provides a kind of truck with loading crane, comprises the lorry-mounted crane of previous embodiment, and the actuated position of operating personal is selected comparatively flexible, and can handle accurately and efficiently lorry-mounted crane.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a maneuvering system for lorry-mounted crane, is characterized in that, comprises the many groups link gear that is set up in parallel and controls respectively inhomogeneity derricking motion, and described in every group, link gear comprises:
Be positioned at the side bar handle (11) of at least one side of lorry-mounted crane, and the upper bar handle (12) that is positioned at supporting leg (13) top of lorry-mounted crane, described in each, side bar handle (11) and described upper bar handle (12) are realized interlock by connecting rod mechanism, wherein, described connecting rod mechanism comprises:
The first pivot piece installing (14) that described in each, side bar handle (11) is fixedly connected with, described the first pivot piece installing (14) is installed in the first anchor shaft (21);
The second pivot piece installing (18) that described upper bar handle (12) is fixedly connected with, described the second pivot piece installing (18) is installed in the second anchor shaft (23);
Adaptor (16);
The first pull bar (15) between each first pivot piece installing (14) and adaptor (16), its two ends are respectively with described the first pivot piece installing (14) with described adaptor (16) is hinged and can drive described adaptor (16) to rotate;
The second pull bar (17) between the second pivot piece installing (18) and adaptor (16), its two ends are respectively with described the second pivot piece installing (18) with described adaptor (16) is hinged and can drive described adaptor (16) to rotate;
The spool (20) of the hydraulic valve (19) of the corresponding derricking motion of control being fixedly connected with arbitrary the first pull bar (15) or the second pull bar (17).
2. maneuvering system as claimed in claim 1, is characterized in that,
Described adaptor (16) is installed in adaptor pivot dress axle (22);
Described the first anchor shaft (21) vertically arranges, described the second anchor shaft (23) and adaptor pivot dress axle (22) are horizontally disposed with, described the first anchor shaft (21), the second anchor shaft (23) and the vertical setting between two of adaptor pivot dress axle (22), and described the first anchor shaft (21), the second anchor shaft (23) and adaptor pivot dress axle (22) are individually fixed in the frame of lorry-mounted crane.
3. maneuvering system as claimed in claim 2, is characterized in that,
Described the first pivot piece installing (14) is L shaped pivot piece installing, and an arm of described L shaped pivot piece installing is fixedly connected with corresponding side bar handle (11), and another arm of described L shaped pivot piece installing and the first pull bar (15) are hinged;
Described adaptor (16) is sleeve, and the periphery of described sleeve is fixed with hinged a plurality of attaching partss (33) corresponding to the first pull bar (15) and the second pull bar (17);
Described the second pivot piece installing (18) is shaft clevis, and the non-open side of described shaft clevis is fixedly connected with upper bar handle (12), and the open side of described shaft clevis and the second pull bar (17) are hinged.
4. maneuvering system as claimed in claim 1, is characterized in that, also comprises travel switch (24), flip flop equipment and control setup, wherein:
Described flip flop equipment comprises:
At least one second pull bar (17) or be positioned at the same side at least one the first pull bar (15) the corresponding contact pressing piece (25) connecting;
S. A. (26), on described S. A. (26), be fixed with can with first pressing plate (27) of described travel switch (24) butt, corresponding contact pressing piece (25) arranges described in each the second pressing plate (28) and return spring adapter plate (29);
Return spring (30), comprises fixed end and telescopic end, and described telescopic end is fixedly connected with described return spring adapter plate (29);
When connecting the pull bar positive movement of described contact pressing piece (25), described contact pressing piece (25) promotes corresponding described the second pressing plate (28), described the second pressing plate (28) drives described S. A. (26) and described the first pressing plate (27) to rotate, make described the first pressing plate (27) separated with described travel switch (24), change the open and-shut mode of described travel switch (24); When connecting the pull bar counter motion of described contact pressing piece (25), described contact pressing piece (25) and corresponding described the second pressing plate (28) separation, described return spring (30) pulls described return spring adapter plate (29) and described S. A. (26) to rotate, make described the first pressing plate (27) and described travel switch (24) butt, change the open and-shut mode of described travel switch (24);
Described control setup is connected with the hydraulic efficiency pressure system signal of described travel switch (24) and described lorry-mounted crane respectively, whether according to the hook load judgement of the open and-shut mode of described travel switch (24) and lorry-mounted crane, work as front control is dangerous manipulation, when being judged as dangerous manipulation, controlling hydraulic efficiency pressure system and be in the lock state.
5. maneuvering system as claimed in claim 1, it is characterized in that, described in each root, described in the first pull bar (15) and each root, the second pull bar (17) is equipped with respectively thru-bolt (31) along its length, and the thread rotary orientation at described thru-bolt (31) two ends is contrary.
6. the maneuvering system as described in claim 1～5 any one, is characterized in that,
Described in every group, in link gear, the quantity of side bar handle (11) is two, lays respectively at the both sides of lorry-mounted crane;
Described adaptor (16) is positioned between two side bar handles (11), and is positioned at the below of bar handle (12);
Described two side bar handles (11) and upper bar handle (12) synchronously and in the same way link.
7. maneuvering system as claimed in claim 6, is characterized in that, described side bar handle (11) is horizontally disposed with, and described upper bar handle (12) vertically arranges, and described the first pull bar (15) is horizontally disposed with, and described the second pull bar (17) vertically arranges.
8. maneuvering system as claimed in claim 7, is characterized in that, described maneuvering system also comprises: be fixed on the seat near supporting leg (13) top of described upper bar handle (12).
9. a lorry-mounted crane, is characterized in that, comprises the maneuvering system as described in claim 1～8 any one.
10. a truck with loading crane, is characterized in that, comprises lorry-mounted crane as claimed in claim 9.
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 |
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| Publication Number | Publication Date |
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| CN103626036A true CN103626036A (en) | 2014-03-12 |
| CN103626036B CN103626036B (en) | 2016-08-17 |
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| 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) |
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| CN104627822A (en) * | 2014-12-26 | 2015-05-20 | 中联重科股份有限公司 | Crane supporting leg operating mechanism and crane with same |
| CN104760891A (en) * | 2015-03-06 | 2015-07-08 | 长治清华机械厂 | A truck-mounted crane four-orientation operating mechanism |
| WO2016069844A1 (en) * | 2014-10-29 | 2016-05-06 | Clark Equipment Company | Mechanical linkage for control of power machine |
| CN111646368A (en) * | 2020-06-19 | 2020-09-11 | 湖南昊天汽车制造有限公司 | Overturning flexible shaft operating device for crane |
| CN113479775A (en) * | 2021-06-28 | 2021-10-08 | 杭州鸿泉物联网技术股份有限公司 | Crane hoisting identification method and system |
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| CN113479775A (en) * | 2021-06-28 | 2021-10-08 | 杭州鸿泉物联网技术股份有限公司 | Crane hoisting identification method and system |
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| CN103626036B (en) | 2016-08-17 |
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