CN102689170A - Support adjusting device for beam arm member and crane turnaround carrier vehicle - Google Patents
Support adjusting device for beam arm member and crane turnaround carrier vehicle Download PDFInfo
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- CN102689170A CN102689170A CN2012101845171A CN201210184517A CN102689170A CN 102689170 A CN102689170 A CN 102689170A CN 2012101845171 A CN2012101845171 A CN 2012101845171A CN 201210184517 A CN201210184517 A CN 201210184517A CN 102689170 A CN102689170 A CN 102689170A
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Abstract
The invention discloses a support adjusting device for a beam arm member, which comprises a support (7) and a support leg. The support leg can be vertically retracted, wherein cable rope racks (2) which are distributed at intervals are also arranged on the support (7) along the first direction; each cable rope rack (2) can move the position relative to the support (7) along the first direction and the second direction vertical to the first direction; the first direction and the second direction are respectively vertical to the vertical direction; and a support cable (5)for flexibly bearing the beam arm member is respectively arranged on each cable rope rack (2). In addition, the invention also provides a crane turnaround carrier vehicle including the support adjusting device for the beam arm member. The beam arm member can be driven by the support adjusting device for the beam arm member to slightly movement in the directions X, Y and Z and slightly rotate around axis X, Y and Z, so that fine adjustment of the beam arm member on six degrees of freedom can be realized, and the support adjusting device is very convenient for assembly, debugging and turnaround installation of the beam arm member.
Description
Technical field
The present invention relates to a kind of servicing unit that when installing/dismounting beam arm spare, is adopted, particularly, relate to a kind of beam arm spare supporting and adjusting device, it can be applied to the installing/dismounting operation of the beam arm spare of crane arm and so on.In addition, the invention still further relates to a kind of crane transition transport vehicle that said beam arm spare supporting and adjusting device is installed.
Background technology
In the builder's yard of engineering machinery, place such as factory floor, port and pier often relates to the installing/dismounting of beam arm spare, for example butt joint of main equipment power transmission shaft etc. in the workshop.Typically; Crane for example; Especially the hoister in large tonnage operation of often need cutting to; Because crane weight is heavier, therefore need crane arm (hereinafter to be referred as " arm ") be disassembled from turntable and transport transition, after arriving new operation place, again arm is installed on the turntable again.For the ease of understanding, below be that example is described with the situation of the installing/dismounting of crane arm.
Referring to illustrated in figures 1 and 2; Prior art often adopts U-shaped frame 2 in assembling, debugging and the transition process of arm 1, to support; Adopt the identical U-shaped frame of a pair of bearing height 2 to support arm 1 as the one of which; The U-shaped lower cover of arm 1 contacts with the U-shaped face rigidity of U-shaped frame 2, therefore can not make arm 1 realize omnibearing fine motion adjusting, and this makes the arm installing/dismounting very difficult.
In addition; A kind of crane transition auxiliary device is disclosed among the Chinese invention patent application CN10172439A; This crane transition auxiliary device comprises carrier and the hydraulic cylinder as supporting leg that is installed on this carrier, and said carrier has the arm carriage of arranging along the longitudinal direction that is used to support crane arm (being the U-shaped frame).Particularly; The arm carriage and the crane arm of this crane transition auxiliary device remain rigidity and contact; It only can make the crane arm straight line move through hydraulic cylinder; Can't realize multi-faceted position adjustments, this makes crane arm Installation and Debugging, especially the installing/dismounting operation of cutting to bother very much.
In above-mentioned prior art; U-shaped frame 2 can not drive arm and realize the fine motion adjusting; Though although some U-shaped frame promote to realize one-movement-freedom-degree through oil cylinder, owing between U-shaped frame and arm for rigidity contacts, pushing course can only realize that unidirectional straight line moves; Arm can be stuck in the U-shaped frame during rotation, can not realize rotating.In the assembling of arm, debug process; Arm and the for example distance between turntable are not often less, and it is to realize regulating the reliable assurance of arm with respect to position component such as debug platform, turntables that the fine motion in a plurality of orientation is regulated, not then need the workman to rely on experience to adjust the relative position of arm and miscellaneous part repeatedly; And the weight of arm is very big; The whole process of adjustment takes time and effort repeatedly, operation inconvenience, inefficiency.
Because the above-mentioned defective of prior art needs a kind of novel supporting and adjusting device of design.
Summary of the invention
Technical problem to be solved by this invention provides a kind of beam arm spare supporting and adjusting device; This beam arm spare supporting and adjusting device not only can support beam arm spare effectively; And can realize the position adjustments of beam arm spare six-freedom degree effectively, thereby be convenient to the installing/dismounting of beam arm spare.
In addition, the present invention also will provide a kind of crane transition transport vehicle, and the beam arm spare supporting and adjusting device on this crane transition transport vehicle not only can support crane arm effectively, and can realize the position adjustments of arm six-freedom degree effectively.
In order to solve the problems of the technologies described above; The present invention provides a kind of beam arm spare supporting and adjusting device; On comprising support and being installed in this support can be vertical flexible supporting leg; Wherein, also be equipped with on the said support along the spaced apart hawser frame of first direction, each said hawser frame is installed as can be with respect to said support along said first direction with perpendicular to the second direction shift position of this first direction; Said first direction and second direction be respectively perpendicular to vertical direction, and be separately installed with on each said hawser frame and be used for the flexible support hawser that carries beam arm spare.
Preferably; Said first direction is the length direction of said support; Said second direction is the width of said support; Each said supporting leg comprises supporting cylinder respectively, and four said supporting legs are installed on the said support, and these four said supporting legs are installed in the position, four corners of said support.
Preferably, each said supporting leg is installed on the said support through the corresponding swing arm that is hinged on the said support, so that each said supporting leg can fold into said support one side through horizontally rotating of said swing arm.
Preferably, separation has two said hawser framves on the said support.
Preferably, each said hawser frame is the U-shaped frame, and the two ends of each said support hawser are fixed to the upper end, both sides of corresponding said U-shaped frame, so that the mid portion of each said support hawser forms down spill.
Particularly; Be fixed with one or many said support hawsers at interval on each said U-shaped frame; Be symmetrically fixed with one or more pairs of axis pin bases on the upper surface, both sides of each said U-shaped frame; On each said axis pin base bearing pin is installed, the two ends of each said support hawser are fixed on the corresponding said bearing pin.
Specifically selectively, said support hawser is steel wire rope or lifting belt.
Specifically selectively, said beam arm spare is the arm of crane.
Preferably; Each said hawser frame is installed on the said support through corresponding slide rail spare; Each said slide rail spare respectively the correspondence through being installed in said support first drive unit and can said first direction motion in this support upper edge, and each said hawser frame through be installed on the corresponding said slide rail spare second drive unit and can said second direction motion in this slide rail spare upper edge.
More preferably; Each said first drive unit comprises first motor, first decelerator and first leading screw of arranging along said first direction; This first leading screw cooperates with internal thread hole on the corresponding said slide rail spare, rotates to drive said first leading screw through this first motor and first decelerator.
More preferably; Each said second drive unit comprises second motor, second decelerator and second leading screw of arranging along said second direction; This second leading screw cooperates with internal thread hole on the corresponding said hawser frame, rotates to drive said second leading screw through this second motor and second decelerator.
On the basis of the technical scheme of above-mentioned beam arm spare supporting and adjusting device; The present invention also provides a kind of crane transition transport vehicle; Wherein, This crane transition transport vehicle comprises that the support of this beam arm spare supporting and adjusting device is fixed on the vehicle frame of said crane transition transport vehicle according to the described beam arm spare supporting and adjusting device of above-mentioned arbitrary technical scheme, and each periphery since said vehicle frame of said supporting leg stretches out downwards; Said beam arm spare is the arm of said crane.
Pass through technique scheme; Beam arm spare supporting and adjusting device of the present invention is through spill steel wire loop under the flexibility in the hawser frame; Make beam arm spare (for example arm) to be supported by the steel wire loop of flexibility, the hawser frame offsets mutually down in the promotion of separately drive unit and moves, and can arm not blocked; Thereby can realize the little rotation of arm, and steel wire rope is convenient for changing also around the Z axle.The present invention both can drive arm and realize moving of X, Y, three directions of Z; Can drive arm again and realize rotation around X, Y, three axles of Z; Combination through these motions can drive the adjustment that the arm that is supported is realized any deflection; The adjustment function of this various dimensions is that assembling, debugging arm are necessary with respect to matrixes such as turntable and debug platforms, has improved the practicality of this device; In addition, in the practice of the assembling and setting of beam arm spare, find, arm X, Y to move and around the fine motion of these three directions of rotation of Z axle motion with respect to other directions; Especially seem and be even more important that therefore in a preferred embodiment, the present invention drives through motor acceleration and deceleration device that the mode of ball screw realizes for the assembling of crane arm, debugging; Screw mandrel revolves the screw mandrel that turns around and drives the only mobile pitch of arm, and with respect to other type of drive, its fine motion property of mode that ball screw drives is better; Can effectively avoid adjusting action repeatedly; Practice thrift man-hour, raise the efficiency, reduce labour intensity.
Therefore; Beam arm spare supporting and adjusting device of the present invention can drive beam arm spare (for example arm) realize on X, Y, the Z direction slightly move and around the small size rotation of X, Y, Z axle; Be that the beam arm spare that scalable of the present invention supports is realized the action on the six-freedom degree, install for assembling, debugging, the transition of beam arm spare and bring great convenience.Typically, for example under the situation of crane, as a rule; Especially during the super-tonnage crane transition; The split transportation often of arm and turntable, arrival re-assemblies behind the work-yard again, is subject to the flatness of work-yard this moment; The deflection of arm and turntable is the combined deflection of a plurality of dimensions, and the deflection of this complicacy needs the combination adjustment on a plurality of frees degree.
Other features and advantages of the present invention will partly specify in the specific embodiment subsequently.
Description of drawings
Attached drawings is used to provide further understanding of the present invention, and constitutes the part of specification, and it is used to explain the present invention with the following specific embodiment, but protection scope of the present invention is not limited to the following accompanying drawing and the specific embodiment.In the accompanying drawings:
Fig. 1 is the supporting construction sketch map that available technology adopting U-shaped frame supports arm.
Fig. 2 is the structural representation of the U-shaped frame shown in Fig. 1.
Fig. 3 is the perspective view of the beam arm spare supporting and adjusting device of the specific embodiment of the invention.
Fig. 4 is the main TV structure sketch map of beam arm spare supporting and adjusting device shown in Figure 3.
Fig. 5 is the structural representation of looking up of beam arm spare supporting and adjusting device shown in Figure 3.
Fig. 6 is the perspective view that the beam arm spare supporting and adjusting device of the specific embodiment of the invention is supported with arm.
Description of reference numerals:
1 arm; 2 hawser framves;
3 axis pin bases; 4 bearing pins;
5 support hawser; 6 supporting cylinders;
7 supports; 8 slide rail spares;
9 second motors; 10 second decelerators;
11 second leading screws; 12 first motors;
13 first decelerators; 14 first leading screws;
15 supporting seats; 16 swing arms.
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention, should be understood that, the specific embodiment described herein only is used for explanation and explains the present invention, and protection scope of the present invention is not limited to the following specific embodiment.
Need to prove; In technical conceive scope of the present invention; Beam arm spare supporting and adjusting device of the present invention can be applied to the installation adjustment of multiple beam arm spare, and said beam arm spare can be the parts of longitudinal sizes such as beam, arm, axle greater than lateral dimension, for example crane arm.In addition, in the following description, the directions X in the accompanying drawing is along the longitudinal direction (being length direction) of support 7, and the Y direction is along the horizontal direction (being width) of support 7, and the Z direction is along the vertical direction (being short transverse) of support 7.
Below at first generality is described the basic fundamental design that beam arm spare of the present invention supports servicing unit; On this basis, the concrete implementation structure in conjunction with Fig. 3 to Fig. 6 describes corresponding component more in detail particularly it will be appreciated that; Technical conceive of the present invention is not limited to the particular elements shown in Fig. 3 to Fig. 6; But can have multiple simple variant form, and in the following description some selectable simple variant forms are explained on attaching property ground for this reason, it belongs to protection scope of the present invention equally.
Extremely shown in Figure 6 referring to Fig. 3; Can be vertical flexible supporting leg (promptly flexible) on beam arm spare supporting and adjusting device of the present invention comprises support 7 and is installed in this support 7 along the Z direction among Fig. 3; Wherein, Also be equipped with on the said support 7 along the spaced apart hawser frame 2 of the length direction of this support 7; Each said hawser frame 2 is installed as on said support 7 can be with respect to width and the length direction shift position of said support 7 along this support 7, and be separately installed with on each said hawser frame 2 and be used for the flexible support hawser 5 that carries beam arm spare.
It should be noted that at this; Above-mentioned support 7 is a rectangle rack in Fig. 3 to Fig. 6 basically; Therefore hawser frame 2 can be described as along support 7 length directions and width shift position briefly; But the present invention obviously is not limited to this, under more general situation, can be equipped with on the said support 7 along the spaced apart hawser frame 2 of first direction; Each said hawser frame 2 is installed as can be with respect to support 7 along said first directions with perpendicular to the second direction shift position of this first direction, and said first direction and second direction are respectively perpendicular to vertical direction.Particularly, this first direction and second direction are can be the length direction and the width of support 7 under the situation of rectangle rack at support 7.
In above-mentioned basic fundamental concept; Special restriction is not done in the volume cost invention of supporting leg; Generally can be more than three; Certainly under the thicker situation of supporting leg, two supporting legs that are employed in support front end two ends centered also are fine, and also can realize purpose through other auxiliary member (for example supporting leg upper end bifurcated) supporting leg of employing in addition.Preferably; In order to make beam arm spare supporting and adjusting device of the present invention have better load-carrying properties and support stiffness; Strengthen the stationarity that supports, four said supporting legs are installed on the said support 7, these four said supporting legs can be installed in the position, four corners of support 7.Preferably, in order when beam arm spare supporting and adjusting device of the present invention does not use, to save the space more, each said supporting leg can be installed on the said support 7 through the corresponding swing arm 16 that is hinged on the support 7.Referring to shown in Figure 4, like this, each supporting leg can fold into support 7 one sides through horizontally rotating of swing arm 16 when not using, thereby helps saving the space.Said supporting leg should be realized vertical stretching motion, and preferably, each said supporting leg comprises supporting cylinder 6, obviously can easily realize vertical stretching motion through this supporting cylinder 6, thereby regulates support 7 height and positions.Apparently; To those skilled in the art; Can adopt multiple retractor device to replace supporting cylinder 6 and realize the flexible of supporting leg; For example electric expansion bar, electric up-down jack, hydraulic elevator platform etc., these simple variant modes all belong to the simple variant form of supporting leg, thereby belong to protection scope of the present invention.In addition, relevant
In above-mentioned basic concept; Generally speaking; Can be on the said support 7 along spaced apart two the said hawser framves 2 of the length direction of this support 7; So be enough to support beam arm spare (for example arm 1), and be convenient to regulate the fine motion adjusting of following beam arm spare, also made the structure of beam arm spare supporting and adjusting device of the present invention simplify more simultaneously.Certainly, according to the practical application situation, hawser frame 2 can separation has a plurality ofly, beam arm spare is formed enough supports, especially supports under the bigger situation of the beam arm spare weight of adjustment at needs.Referring to Fig. 3, hawser frame 2 can be the U-shaped frame, can two ends that support hawser 5 be fixed to the upper end, both sides of U-shaped frame like this, thereby make the mid portion of hawser 5 form down spill, is convenient to carry said beam arm spare.Can be fixed with one or many hawsers 5 at interval on each U-shaped frame, for example be fixed with two among Fig. 1 on each U-shaped frame separately and support hawser 5.Support hawser 5 and generally can adopt steel wire rope, but be not limited thereto.Particularly, in the embodiment of Fig. 3, be symmetrically fixed with one or more pairs of axis pin bases 3 on the upper surface, both sides of U-shaped frame, on each axis pin base 3 bearing pin 4 be installed, the two ends of each hawser 5 can be fixed on the corresponding bearing pin 4.
Particularly; For example; Above-mentioned each first drive unit can comprise first motor 12, first decelerator 13 and first leading screw of arranging along the length direction of support 7 14; This first leading screw 14 cooperates with internal thread hole on the corresponding slide rail spare 8, thereby can control 14 rotations of first leading screw through first motor 12 and first decelerator 13, makes corresponding slide rail spare 8 move along the length direction of support 7.Above-mentioned each second drive unit can comprise second motor 9, second decelerator 10 and second leading screw of arranging along the width of support 7 11; This second leading screw 11 cooperates with internal thread hole on the corresponding hawser frame 2; Thereby this second motor 9 and second decelerator 10 can be controlled second leading screw 11 and rotate, and make corresponding hawser frame 2 move at the width of the slide rail spare 8 upper edge supports 7 of correspondence.
It should be noted that; Above-mentioned first drive unit and second drive unit only are a kind of concrete Drive Structure forms; To those skilled in the art; In technical conceive scope of the present invention, there is multiple constructional variant, for example above-mentioned first motor 12 and second motor 9 can adopt hydraulic motor to replace.In addition; Also can not adopt the leading screw fit structure; But guide rod or guide rail are set along its length on support 7; Slide rail spare 8 can be through retractable driving device such as hydraulic cylinder, electric expansion bars and on guide rod or guide rail the length direction along support 7 move; Corresponding guide rod or guide rail also are set on slide rail spare 8 simultaneously, and drive guide rod or the guide rail of hawser frame on slide rail spare and move along the width of support 7 through being installed in hydraulic cylinder on the slide rail spare 8, electric expansion bar and so on retractable driving device.Certainly, also can carry out the equivalence replacement of the simple direction of motion,, make slide rail spare 8 to move, and hawser frame 2 can move on slide rail spare 8 along the length direction of support 7 along the width of support 7 for example through slide rail spare is carried out suitable constructional variant.These simple variant all belong to protection scope of the present invention.
Technique scheme through beam arm spare supporting and adjusting device of the present invention; Apparently; Because the present invention forms specific flexible support through supporting 5 pairs of beam arm spares of hawser (for example arm 1); And can easily make the shift position of hawser frame 2 (driving beam arm spare accordingly) on Z direction, directions X and Y direction through above-mentioned supporting leg, first drive unit, second drive unit, thereby realize that linear moving regulate.Simultaneously; Because the present invention forms specific flexible support through supporting 5 pairs of beam arm spares of hawser; Through controlling above-mentioned second drive unit, supporting leg (for example supporting cylinder 6) etc., can realize easily that the rotational freedom of beam arm spare is regulated, and can not have under the rigid support form defective that can't effectively easily carry out the rotational freedom adjusting that causes because of factor such as interferences, friction; For example; In Fig. 6,, make a side second motor 9 just change through controlling second motor 9 in 2 each self-corresponding second drive units of two hawser framves; 9 counter-rotatings of opposite side second motor; Thereby can be so that being carried on the beam arm spare that supports on the hawser 5 be the rotation (promptly in XOY plane, rotating) that realizes Z-direction in Fig. 3, through the flexible height of control front side two supporting cylinders 6 and two supporting cylinders 6 of rear side, can be so that the Y direction of beam arm spare in Fig. 3 be rotated (promptly in the XOZ plane, rotating); Through the flexible height of control left side two supporting cylinders 6 and two supporting cylinders 6 in right side, can be so that the X-direction of beam arm spare in Fig. 3 be rotated (promptly in the YOZ plane, rotating).Therefore; Beam arm spare supporting and adjusting device of the present invention has been realized the adjusting of beam arm spare six-freedom degree through distinctive flexible support form and corresponding driving structure; Be very easy to the installing/dismounting operation of beam arm spare (for example arm), improved operating efficiency.
The preferred implementation of beam arm spare supporting and adjusting device of the present invention is described below in conjunction with Fig. 3 to Fig. 6; To help those skilled in the art to deepen understanding on the whole to technical scheme of the present invention; In the description process, be that example describes mainly, and adjustment process of the present invention more specifically is described with arm 1.Need to prove that Fig. 3 is merely preferred form of the present invention to shown in Figure 6, protection scope of the present invention is not limited to Fig. 3 to concrete structure shown in Figure 6, but has aforesaid multiple alternative distressed structure.
As shown in Figure 3, the beam arm spare supporting and adjusting device of this preferred implementing form mainly comprises the paired axis pin base 3 in hawser frame 2, the U-shaped frame both sides upper end of two spaced apart U-shaped frame forms, bearing pin 4, hawser 5 (being specially steel wire rope), four supporting cylinders 6 as supporting leg, support 7, slide rail spare 8, first motor 12, first decelerator 13, first screw mandrel 14, second motor 9, second decelerator 10, second screw mandrel 11.
In the time will supporting arm 1 and auxiliary boom 1 installation, debugging, transition; The supporting cylinder 6 as supporting leg of beam arm spare supporting and adjusting device of the present invention can be expanded to state as shown in Figure 1 through swing arm 16; Support 7 is supported by four supporting cylinders 6; Two at interval slide rail spares 8 are arranged on the directions X on the support 7, and the U-shaped frame can move in slide rail spare 8 upper edge Y directions under the effect of external force, the Y of slide rail spare 8 to both sides have limited block (not having guide among the figure) can prevent the U-shaped frame along Y to skidding off; There are four axis pin bases 3 (per two axis pin bases 3 along Y to relatively) upper end, the both sides of single U-shaped frame; Each axis pin base 3 interior bearing pins 4 of can packing into; The two ends of steel wire rope are contained on the relative a pair of bearing pin 4; The steel wire rope that forms a following spill (taking the shape of the letter U) is right, and each U-shaped frame 2 can form the steel wire rope of two following spills, can make the certain interval of the steel wire rope and the inner surface maintenance of U-shaped frame rather than contacts through satisfying predetermined size relationship; Just formed the following spill steel wire rope of two pairs of flexibilities in such two U-shaped framves, arm is the steel wire rope of four flexibilities support thus just.
One protrusion piece (being not limited to the form of protrusion piece) is arranged at the bottom of each U-shaped frame; As shown in Figure 5; Screwed hole is arranged in the projection, and the two ends that second ball screw, 11, the second ball screws 11 are housed in the hole are through the bearing rotary supporting on the corresponding slide rail spare 8; And wherein an end stretches out bearing by second motor 9 and second decelerator, 10 driven rotary; Thereby second ball screw 11 revolve turn around just can promote the U-shaped frame along Y to mobile pitch, thereby the Y that has realized the U-shaped frame just makes the U-shaped frame slightly move along the forward of Y axle, negative sense respectively to fine motion through changing turning to of second motor.
Support 7 upper edge directions Xs are because respectively there are a U-shaped frame, second ball screw 11, slide rail spare 8, second motor 9 and second decelerator 10 in both sides; Therefore two U-shaped framves and interior following spill steel wire rope thereof all can be realized moving of the positive negative direction of Y axle; If the moving direction of two U-shaped framves is identical; Then can make the U-shaped frame mobile to simultaneously along Y, the arm that just can drive down in the spill steel wire rope is realized Y to fine motion in the same way, and the big I of fine motion displacement is controlled through the control rotating speed of motor; And two U-shaped framves move along Y axle forward, negative sense respectively; And two interior steel wire loops of U-shaped frame are flexible support; The mutual offsetting that can not limit arm is moving, realizes the small size rotation around the Z axle so then can drive arm, and the big I of rotational angle is controlled through controlling mutual offsetting momentum size.
In the preferred embodiment for the present invention of Fig. 3 to Fig. 6; Arm 1 along the fine motion implementation procedure of directions X is: as shown in Figure 5; Projection (being not limited to the form of projection) is arranged at the bottom of slide rail spare 8; Screwed hole is arranged in the projection, and the two ends that first ball screw, 14, the first ball screws 14 are housed in the screwed hole are through the seat supports on the support 7; And wherein an end stretches out bearing by first motor 12 and first decelerator, 13 driven rotary; Thereby first ball screw 14 revolve turn around just can promote slide rail spare 8 along X to mobile pitch, thereby through slide rail spare 8 drive the U-shaped framves along x to slightly moving, through changing turning to of first motor U-shaped frame is slightly moved respectively along the forward negative sense of X axle.
Can know that through Fig. 3 support 7 of the present invention supports as supporting leg through four supporting cylinders 6, through four supporting cylinders 6 along Z to synchronization telescope; Then can make support 7 along Z to move; Support 7 drives U-shaped frame and interior steel wire loops thereof, final drive the arm that supported along Z to move, and if arm deflection to some extent between position and turntable and the debug platform when assembling and mode; Then can regulate the deflection of arm through the flexible combination of four supporting legs; For example shown in Figure 4, if arm is supported installations, when debugging, owing to base inequality reason; Find that arm integral body is partial to the positive direction of Y axle around the X axle, can two supporting cylinders 6 of Y axle forward one side (right side among Fig. 3) be stretched out suitable height during adjustment can be concordant with arm adjustment and turntable, debugger.
With along X, Y to slightly moving and being that mode through the driven by motor ball-screw realizes different around the rotation of Z axle in XOY plane; Z to move and realize around the rotation of X axle, Y axle up-down through four supporting cylinders 6; Generally speaking; The weight of arm is heavier, and hydraulic drive mode has more advantage.
Comprehensively said; Beam arm spare supporting and adjusting device of the present invention can drive beam arm spare (for example arm 1) realize on X, Y, the Z direction slightly move and around the small size rotation of X, Y, Z axle; Be that the beam arm spare that scalable of the present invention supports is realized the action on the six-freedom degree, install for assembling, debugging, the transition of beam arm spare and bring great convenience.Typically, for example under the situation of crane, as a rule; Especially during the super-tonnage crane transition, the split transportation often of arm and turntable re-assemblies after arriving the work-yard again; Be subject to the flatness of work-yard this moment, and the deflection of arm and turntable is the combined deflection of a plurality of dimensions, and the deflection of this complicacy just can be adjusted on simple one or two direction in neither above-mentioned example; Often need the combination adjustment on a plurality of frees degree; But the relative position of any complicacy is nothing but the combination on the six-freedom degree direction, all can finally adjust the relative position between arm and matrix through the combination of the motion in the device among the present invention.
In addition, it should be noted that bracing or strutting arrangement among the present invention; Under off working state, also can four support cylinders 6 be folded into a side of support 7 through swing arm 16 swings that connect separately; The bulk that minimizing itself is shared is convenient to transportation, and when work, launches to support beam arm spare again.
Description through the above-mentioned specific embodiment; Can find out in the above-mentioned preferred implementation of the present invention; The first, the beam arm spare supporting and adjusting device of this preferred form rotates through the corresponding ball screw of corresponding driven by motor, moves thereby the mode that drive U-shaped frame moves drives beam arm spare (for example arm 1); Promote arm in the process of ball screw rotation one circle and move a pitch; Have good fine motion property, be convenient to regulate arm X, Y, and the mobile of this both direction is to need often adjustment in arm assembling, the debug process to amount of movement; The second, the following spill that steel wire rope in this preferred form forms is supported for flexible support, when two U-shaped framves at Y when mutual offsetting is moving, can drive arm around the little rotation of Z axle, this motion is regular motion in arm assembling, the debug process; The 3rd; Support whole device through four supporting cylinders in this preferred form; Four supporting cylinders all can be realized independent stretching motion; Also scalable makes its synchronization telescope, can make the present invention along whole lifting of Z axle or reduction during synchronization telescope, and the present invention can realize the small size rotation around X axle, Y axle when making up through four supporting legs are flexible; The 4th; This optimal way has been realized the slightly mobile rotation that reaches around X, Y, Z axle on X, Y, the Z direction effectively; Be that the present invention can drive the fine motion adjusting that arm is realized six-freedom degree; Can satisfy the fine motion that is in arm under the arbitrary initial state and regulate, through the combination of the motion on the different frees degree, the arm adjustment is alignd with turntable, debug platform the most at last; The 5th; The drive unit of the drive unit of directions X and Y direction is arranged on slide rail spare 8 and the hawser frame 2 (being specially the U-shaped frame) in this preferred form; Not not at grade; Arrange that along Y axle, X axle make the present invention can drive arm 1 respectively along the X axle, the Y axle moves and can not interfere each other respectively on the space.
As mentioned above; Fig. 3 to Fig. 6 only is a preferred implementation of the present invention; To those skilled in the art; A plurality of building blocks in this preferred implementation can have corresponding simple variant mode, for example in this preferred implementation, to the X that plays a crucial role in arm assembling, the debug process, Y to moving and around the rotation of Z axle; Be that mode through the driven by motor ball screw realizes, also can adopt the mode of hydraulic pressure driven ball screw to realize in the scheme that substitutes; For another example, in the preferred embodiment, adopt steel wire rope through supporting hawser 5, but also can adopt other flexible lockset to substitute steel wire rope, for example adopt lifting belt etc.In addition; In above-mentioned optimal way, be hinged on the support 7 through corresponding swing arm 16 as each supporting cylinder 6 of supporting leg, so that four supporting cylinders 6 of the present invention can fold contraction; As selectable form of implementation; Can be separately installed with the driving hydraulic cylinder between each swing arm 16 and the support 7, thereby can drive swing arm 16 rotations, to launch or to regain swing arm through driving hydraulic cylinder; Be recovered to a corresponding side of support thereby make four supporting cylinders 6 to fold, thereby save the space.In addition, the hydraulic control system of relevant supporting cylinder is known to those skilled in the art, owing to do not relate to improvement of the present invention, repeats no more at this.
As stated; The installing/dismounting process of beam arm spare is the process of a dynamic debugging, for example in the installation process of crane arm transition operation, and can be so that supporting cylinder 6 elongations; Thereby make that support 7 drives hawser frame 2 and arm 1 moves up; The turntable of crane being placed the below of support 7 and corresponding to the installation end of arm 1, regulate the position of arm 1 through beam arm spare supporting and adjusting device of the present invention, is the position adjustments that realizes any one or more frees degree of arm 1 on six-freedom degree as required; So that arm 1 aims at the hinge hole between the turntable, and join through the stub axle; Further; Regulate the position of arm 1 through beam arm spare supporting and adjusting device of the present invention; Be the position adjustments that realizes any one or more frees degree of arm 1 on six-freedom degree as required; Amplitude oil cylinder on the realization turntable is aimed at the hinge hole between the arm 1, and carries out hinged through bearing pin.And when dismounting arm 1, then simple relatively, mainly be that beam arm spare supporting and adjusting device of the present invention is placed the arm below, corresponding bearing pin is extracted, make arm support on the support hawser 5 and get final product.
On the basis of the technical scheme of the above-mentioned beam arm spare supporting and adjusting device of the present invention; The present invention also provides a kind of crane transition transport vehicle; Wherein, this crane transition transport vehicle comprises the described beam arm spare supporting and adjusting device of technique scheme, and the support 7 of this beam arm spare supporting and adjusting device is fixed on the vehicle frame of said crane transition transport vehicle; And each periphery since said vehicle frame of said supporting leg stretches out downwards, and this moment, apparently said beam arm spare was the arm 1 of crane.
Can find out by last description; The invention has the advantages that: beam arm spare supporting and adjusting device of the present invention is through spill steel wire loop under the flexibility in the hawser frame 2; Make beam arm spare (for example arm 1) to be supported by the steel wire loop of flexibility, hawser frame 2 offsets mutually down in the promotion of separately drive unit and moves, and can arm not blocked; Thereby can realize the little rotation of arm, and steel wire rope is convenient for changing also around the Z axle.The present invention both can drive arm and realize moving of X, Y, three directions of Z; Can drive arm again and realize rotation around X, Y, three axles of Z; Combination through these motions can drive the adjustment that the arm that is supported is realized any deflection; The adjustment function of this various dimensions is that assembling, debugging arm are necessary with respect to matrixes such as turntable and debug platforms, has improved the practicality of this device; In addition, in the practice of the assembling and setting of beam arm spare, find, arm X, Y to move and around the fine motion of these three directions of rotation of Z axle motion with respect to other directions; Especially seem and be even more important that therefore in a preferred embodiment, the present invention drives through motor acceleration and deceleration device that the mode of ball screw realizes for the assembling of crane arm, debugging; Screw mandrel revolves the screw mandrel that turns around and drives the only mobile pitch of arm, and with respect to other type of drive, its fine motion property of mode that ball screw drives is better; Can effectively avoid adjusting action repeatedly; Practice thrift man-hour, raise the efficiency, reduce labour intensity.Therefore; Beam arm spare supporting and adjusting device of the present invention can drive beam arm spare (for example arm 1) realize on X, Y, the Z direction slightly move and around the small size rotation of X, Y, Z axle; Be that the beam arm spare that scalable of the present invention supports is realized the action on the six-freedom degree, install for assembling, debugging, the transition of beam arm spare and bring great convenience.Typically, for example under the situation of crane, as a rule; Especially during the super-tonnage crane transition; The split transportation often of arm and turntable, arrival re-assemblies behind the work-yard again, is subject to the flatness of work-yard this moment; The deflection of arm and turntable is the combined deflection of a plurality of dimensions, and the deflection of this complicacy needs the combination adjustment on a plurality of frees degree.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (11)
1. beam arm spare supporting and adjusting device; On comprising support (7) and being installed in this support (7) can be vertical flexible supporting leg; Wherein, Also be equipped with on the said support (7) along the spaced apart hawser frame of first direction (2); Each said hawser frame (2) is installed as can be with respect to said support (7) along said first direction with perpendicular to the second direction shift position of this first direction, and said first direction and second direction be respectively perpendicular to vertical direction, and is separately installed with the support hawser (5) that is used for flexible carrying beam arm spare on each said hawser frame (2).
2. beam arm spare supporting and adjusting device according to claim 1; Wherein, Said first direction is the length direction of said support (7), and said second direction is the width of said support (7), and each said supporting leg comprises supporting cylinder (6) respectively; And four said supporting legs are installed on the said support (7), and these four said supporting legs are installed in the position, four corners of said support (7).
3. beam arm spare supporting and adjusting device according to claim 1; Wherein, Each said supporting leg is installed on the said support 7 through the corresponding swing arm (16) that is hinged on the said support (7), so that each said supporting leg can fold into said support (7) one sides through horizontally rotating of said swing arm (16).
4. beam arm spare supporting and adjusting device according to claim 1, wherein, said support (7) is gone up separation has two said hawser framves (2).
5. beam arm spare supporting and adjusting device according to claim 1; Wherein, Each said hawser frame (2) is the U-shaped frame; The two ends of each said support hawser (5) are fixed to the upper end, both sides of corresponding said U-shaped frame, so that the mid portion of each said support hawser (5) forms down spill.
6. beam arm spare supporting and adjusting device according to claim 5; Wherein, Be fixed with one or many said support hawsers (5) at interval on each said U-shaped frame; Be symmetrically fixed with one or more pairs of axis pin bases (3) on the upper surface, both sides of each said U-shaped frame, on each said axis pin base (3) bearing pin (4) be installed, the two ends of each said support hawser (5) are fixed on the corresponding said bearing pin (4).
7. beam arm spare supporting and adjusting device according to claim 1, wherein, said support hawser (5) is steel wire rope or lifting belt.
8. according to each described beam arm spare supporting and adjusting device in the claim 1 to 7; Wherein, Each said hawser frame (2) is installed on the said support (7) through corresponding slide rail spare (8); Each said slide rail spare (8) respectively the correspondence through being installed in said support (7) first drive unit and can said first direction motion in this support (7) upper edge, and each said hawser frame (2) through be installed on the corresponding said slide rail spare (8) second drive unit and can said second direction motion in this slide rail spare (8) upper edge.
9. beam arm spare supporting and adjusting device according to claim 8; Wherein, Each said first drive unit comprises first motor (12), first decelerator (13) and first leading screw of arranging along said first direction (14); This first leading screw (14) cooperates with internal thread hole on the corresponding said slide rail spare (8), rotates to drive said first leading screw (14) through this first motor (12) and first decelerator (13).
10. beam arm spare supporting and adjusting device according to claim 8; Wherein, Each said second drive unit comprises second motor (9), second decelerator (10) and second leading screw of arranging along said second direction (11); This second leading screw (11) cooperates with internal thread hole on the corresponding said hawser frame (2), rotates to drive said second leading screw (11) through this second motor (9) and second decelerator (10).
11. crane transition transport vehicle; Wherein, This crane transition transport vehicle comprises according to each described beam arm spare supporting and adjusting device in the claim 1 to 12; The support of this beam arm spare supporting and adjusting device (7) is fixed on the vehicle frame of said crane transition transport vehicle, and each periphery since said vehicle frame of said supporting leg stretches out downwards; The arm (1) that said beam arm spare is said crane.
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| CN201210184517.1A CN102689170B (en) | 2012-06-06 | 2012-06-06 | Support adjusting device for beam arm member and crane turnaround carrier vehicle |
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| CN201210184517.1A CN102689170B (en) | 2012-06-06 | 2012-06-06 | Support adjusting device for beam arm member and crane turnaround carrier vehicle |
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| CN107628548A (en) * | 2017-10-27 | 2018-01-26 | 三汽车起重机械有限公司 | Dismantle auxiliary mould, lifting telescopic arm disassembly system and method |
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| CN113086749A (en) * | 2021-03-26 | 2021-07-09 | 国网四川电力送变电建设有限公司 | Wire unwinding disc main shaft dismounting tool, mounting method and dismounting method |
| CN113800449A (en) * | 2021-11-16 | 2021-12-17 | 四川明阳承起机械有限公司 | Automatic change big arm dismouting equipment of hoist |
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| CN102689170B (en) | 2014-03-26 |
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