CN103896161A - Rotating arm type crane - Google Patents
Rotating arm type crane Download PDFInfo
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- CN103896161A CN103896161A CN201410144584.XA CN201410144584A CN103896161A CN 103896161 A CN103896161 A CN 103896161A CN 201410144584 A CN201410144584 A CN 201410144584A CN 103896161 A CN103896161 A CN 103896161A
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Abstract
本发明公开了一种旋臂式起重机，包括支撑柱、旋臂、电动行车和悬吊系统；旋臂与支撑柱通过旋转轴旋转连接，旋臂上滑动连接电动行车，电动行车上安有悬吊系统；旋臂的个数为两根，两根旋臂构成固定连接的叉头结构，所述叉头结构位于水平面上；两根旋臂上分别开有导轨槽，电动行车沿导轨槽滑动。本发明提供的旋臂式起重机可以较好的适应高温物体的非直线移动、吊装工作；使高温物体在起吊和旋臂旋转的过程中更稳定、更安全；进一步可以实现对所起吊的高温物体进行状态的控制。
The invention discloses a jib crane, which comprises a support column, a jib, an electric crane and a suspension system; Hanging system; the number of swing arms is two, and the two swing arms form a fixedly connected fork structure, and the fork structure is located on the horizontal plane; there are guide rail grooves on the two swing arms, and the electric trolley slides along the guide rail grooves . The jib crane provided by the present invention can better adapt to the non-linear movement and hoisting work of high-temperature objects; it makes the high-temperature objects more stable and safer during the process of hoisting and jib rotation; further, it can realize the lifting of high-temperature objects Control the state.
Description
Technical field
The present invention relates to hoisting crane field, especially relate to a kind of revolving jib crane.
Background technology
Hoisting crane is a kind of big machinery of widespread use in heavy industry industry, wherein, revolving jib crane can be realized spiral arm because of it and carry out big angle rotary around pillar stiffener, thereby can complete more flexibly, various non-rectilinears move, lifting work, overcome original gantry crane can only be on straight line the defect of mobile object.
Revolving jib crane mainly comprises pillar stiffener, the spiral arm of rotarying connection with pillar stiffener and with the electric bicycle of spiral arm sliding block joint, realize the lifting to object by the Suspension System of being satisfied with on electric bicycle.This revolving jib crane generally can only be used for the crane lifting service of ordinary goods, and in heavy industry fields such as casting, smeltings, often relates to the non-rectilinear of high temp objects is moved and the work such as lifting.For high temp objects, because of object self-temperature higher, working space device around object and staff are all had to considerable influence, all higher to stability and security requirement in lifting, spiral arm rotary course, common revolving jib crane cannot meet the demands, and therefore in prior art, also lacks a kind of non-rectilinear that can adapt to preferably high temp objects and move, lift the revolving jib crane of work.
Summary of the invention
For solve revolving jib crane common in prior art cannot adapt to preferably to the non-rectilinear of high temp objects move, lifting work; Cannot make preferably high temp objects more stable, safer in the process of lifting and spiral arm rotation; Can not further carry out the defects such as state control to lifted by crane high temp objects, the invention provides that a kind of non-rectilinear that can adapt to preferably high temp objects moves, lifting work; Make high temp objects more stable, safer in the process of lifting and spiral arm rotation; And the revolving jib crane that further realization is carried out state control to lifted by crane high temp objects.
In order to achieve the above object, provide in an embodiment of the present invention a kind of revolving jib crane, comprised pillar stiffener, spiral arm, electric bicycle and Suspension System; Spiral arm is rotaryed connection by S. A. with pillar stiffener, and sliding block joint electric bicycle on spiral arm, is equipped with Suspension System on electric bicycle; The number of this spiral arm is two, and two spiral arms form the jaw structure being fixedly connected with, and described jaw structure is positioned on horizontal surface; On two spiral arms, have guide-track groove, electric bicycle slides along the guide-track groove of spiral arm.Specifically, two spiral arms are positioned on horizontal surface abreast, and its one end being connected with S. A. respectively, for being fixedly connected with, has space between two spiral arms that be arranged in parallel; Thereby form jaw structure.Electric bicycle is connected with spiral arm respectively by being satisfied with two guide-track grooves on spiral arm, thereby realizes the slip along spiral arm direction.
Revolving jib crane provided by the invention, realizes being suspended the lifting of object by the Suspension System of being satisfied with on electric bicycle; Slide and realize being suspended the movement of object along spiral arm direction along spiral arm by electric bicycle; The non-rectilinear having rotated being suspended object around S. A. by spiral arm moves.Further, because the number of this radial arm of crane is two, and there is space between two spiral arms that be arranged in parallel, at revolving jib crane, high temp objects is moved, when lifting, high temp objects area just above can be the highest because of circulating air temperature, and the high temp objects that revolving jib crane suspends in midair is roughly positioned between two spiral arms, therefore, it is more stable when the lift-launch pattern of two spiral arms can make suspention have the electric bicycle of high temp objects to move on the one hand, thereby reduce the possibility that high temp objects rotates and rocks, on the other hand, high hot air can be held and can not stopped by spiral arm by the easier dissipation in space having between two spiral arms, in addition, than single turning crane of the prior art, two spiral arms also can make to be positioned at the high temp objects that the electrical components such as the electric bicycle on spiral arm lift by crane away from it as far as possible, thereby reduce on the whole the impact of high temp objects on the each parts of revolving jib crane, reduce the possibility of electrical components because of excess Temperature et out of order, thereby can reduce the impact of high temp objects on hoisting crane, realize this revolving jib crane and can adapt to better the work such as the lifting of high temp objects.
Preferably, this revolving jib crane, can also comprise and be satisfied with the fixed mount that keeps object stable on electric bicycle and in moving process.In heavy industry fields such as casting, smeltings, hoisting crane is in the time of mobile high temperature foundry goods, high temperature foundry goods easily rotates and rocks, some high temperature chips that cause being attached on foundry goods are thrown out of, this not only can threaten near staff personal safety, also can fire hazard, and the fixed mount of being satisfied with on electric bicycle can preferably keep hanging object stable in moving process, thus can more safely realize the work such as lifting to high temp objects.
Preferably, this revolving jib crane, can also comprise the slewing arrangement of being satisfied with on electric bicycle, and this slewing arrangement is fixedly connected with fixed mount.In association areas such as casting, smeltings, sometimes because of the size of high temp objects, condition restriction that shape is subject to workyard or the reason of other side, people wish that hanging object is placed in certain position in a particular manner, at this moment just high temp objects need to be carried out to the rotation of certain angle around the S. A. of vertical direction, and due to the characteristic of high temp objects self, even if for some lighter high temp objects, staff also cannot directly move rotation after it lands.Therefore, by being satisfied with the slewing arrangement on electric bicycle, can realizing easily high temp objects is rotated around the S. A. of vertical direction, thereby meet people high temp objects is carried out the requirement of further state manipulation.Make slewing arrangement be fixedly connected with fixed mount, fixed mount is rotated in company with high temp objects simultaneously, can in rotary course, stablize at any time high temp objects, thereby make whole working process safer.
Further, fixed mount can comprise two fixed link and shifting bars of vertically settling; The upper end of two fixed links is fixedly connected with slewing arrangement respectively; Two shifting bar difference nooses are in two fixed links; The lower end of two shifting bars is provided with the suspention beam being connected with described Suspension System, and the bottom of shifting bar connects the hanging end for suspending object in midair.Adopt the fixed mount of said structure, its symmetrical expression design can coordinate two symmetrical spiral arms better on the one hand, improves stability, also can make device entirety more simplify, and is convenient to dismounting, and reduces the possibility that fault occurs; On the other hand, by the hanging end for suspending object in midair directly with can in the vertical direction flexible shifting bar, and Suspension System directly acts on the suspention beam of fixed mount, realizes the landing to hanging object, not only can make hanging object more firm, be difficult to the movement in occurred level direction; Simultaneously, also can make fixed mount rise simultaneously or to decline in company with hanging object, this can adapt to better some and have specified conditions restriction workyard, for example, while thering is the obstacle of certain altitude in the circular work area covering at spiral arm, the fixed mount of said structure makes revolving jib crane more flexible, crosses easily obstacle and completes the work such as the lifting to high temp objects; In addition the connection mode that adopts fixed link and shifting bar phase noose, also can shorten the height of this fixed mount on vertical direction, thereby reduce the required space of this revolving jib crane work.
Further, slewing arrangement can comprise can realize slide rail A and the bearing that two fixed links rotate around vertical direction, and bearing and slide rail A sliding block joint are realized the slip along slide rail A; The upper end of two fixed links is separately fixed on bearing.The slewing arrangement of said structure not only can make device entirety more simplify, and is convenient to dismounting, and reduces the possibility that fault occurs; Also can coordinate better the concrete structure of aforementioned fixed mount, realize high temp objects is rotated around the S. A. of vertical direction.
Preferably, this fixed mount can also comprise Suspension, and Suspension connects the bottom of two shifting bars, and hanging end is connected with shifting bar by Suspension; Described hanging end is at least two, and at least two hanging ends are connected with described Suspension in the adjustable mode of spacing in horizontal direction.Herein, multiple hanging ends are hook block hanging object simultaneously, can further improve the stability of hanging object, reduces its possibility of rocking or tremble.In addition, in the real work of hoisting crane, for the consideration that adapts to better different hanging objects, Suspension can be installed on fixed mount, multiple hanging ends can horizontal direction on the adjustable mode of spacing be connected with described Suspension.In association areas such as casting, smeltings, different model, batch its size of product can change, but its shape is constant, correspondingly on hanging object, the position of point of suspension also can change.Hanging end in the horizontal direction spacing is adjustable, only need be in the time that product batches change, and adaptations hanging end spacing in the horizontal direction, can conveniently adapt to the identical product of multiple batches of shape to lift.
Preferably, electric bicycle can comprise and be positioned at two flat boards between spiral arm, and dull and stereotyped middle part has manhole; Described slide rail A is positioned at through hole.Adopt the electric bicycle of said structure, its symmetrical expression design can coordinate two symmetrical spiral arms and other parts better on the one hand, improves stability; The slide rail A of slewing arrangement is placed in through hole, also can makes device entirety more simplify, be convenient to dismounting, and reduce the possibility that fault occurs; On the other hand, the manhole of opening on flat board, can make the easier dissipation of high hot air hold and can not be blocked, and makes this revolving jib crane can adapt to better the work such as the lifting of high temp objects.
Preferably, between two fixed links, can also be equipped with at least one positioning beam, the midpoint of positioning beam can be offered hole, and the projection of positioning beam on flat board is by the center of circle of round through hole; The suspention rope of Suspension System is connected with suspention beam through hole.Here, the suspention rope of Suspension System is connected with suspention beam through hole, thereby the landing of realization to fixed mount and hanging object, when this can be avoided fixed mount and hanging object to rotate, suspended rope in midair and be wrapped in the fault causing on associated components; In addition, make the projection of positioning beam on flat board can make fixed link be placed in symmetrically on electric bicycle by the center of circle of round through hole, the gravity direction of hanging object is roughly positioned on the symmetrical plane of revolving jib crane, and coincide with the S. A. of vertical direction, thereby improve the stability of hanging object in the time rotating.
Preferably, this revolving jib crane can also comprise the motor and the PLC(Programmable Logic Controller programmable logic controller (PLC) that drive S. A. rotation) programming electric-control system, described PLC programming electric-control system is electrically connected with motor, slewing arrangement, electric bicycle and Suspension System.Can realize the automation lifting operation to high temp objects by the PLC electric-control system of programming, improve production efficiency so on the one hand, also can make on the other hand staff away from work-yard, make whole working process safer.
Preferably, this revolving jib crane can also comprise hold-down arm, and hold-down arm one end is equipped with antifriction-bearing box, and the other end is fixedly connected with one end that two spiral arms approach S. A.; On pillar stiffener, be equipped with the slide rail B matching with antifriction-bearing box, hold-down arm is by antifriction-bearing box and pillar stiffener sliding block joint.Hold-down arm is installed and can be improved the maximum lifting weight of this revolving jib crane, and can further improve revolving jib crane stability when rotated.
Preferably, two spiral arms all can adopt I-beam section, adopt I-beam section can be on the basis that guarantees spiral arm intensity the further cost of economy system; Adopt I-beam section also can realize with electric bicycle and preferably coordinating simultaneously, further improve the stability of device.
Preferably, two spiral arm ends relative with S. A., stop part can also be set, stop part be set and can prevent that electric bicycle is because of the unexpected spiral arm that skids off.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of revolving jib crane described in the embodiment of the present invention;
Fig. 2 is the front view of a kind of revolving jib crane described in the embodiment of the present invention;
Fig. 3 is the birds-eye view of a kind of revolving jib crane described in the embodiment of the present invention;
Fig. 4 is the schematic diagram of a kind of revolving jib crane described in the embodiment of the present invention;
Fig. 5 is the lateral plan of a kind of revolving jib crane described in the embodiment of the present invention;
Fig. 6 is the schematic diagram of the Suspension described in the embodiment of the present invention;
Fig. 7 is the lateral plan of the another kind of revolving jib crane described in the embodiment of the present invention;
In figure, 1, pillar stiffener; 11, slide rail B; 2, S. A.; 3, spiral arm; 4, electric bicycle; 41, flat board; 42, manhole; 510, suspention rope; 6, fixed mount; 61, fixed link; 62, shifting bar; 63, suspention beam; 64, Suspension; 611, positioning beam; 6110, hole; 7, slewing arrangement; 71, slide rail A; 8, hanging end; 9, hold-down arm; 91, antifriction-bearing box.
The specific embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Fig. 1 is the schematic diagram of a kind of revolving jib crane provided by the invention, and as shown in Fig. 1-6, this revolving jib crane comprises pillar stiffener 1, spiral arm 3, electric bicycle 4 and Suspension System (attached not shown); Spiral arm 3 is rotaryed connection by S. A. 2 with pillar stiffener 1, and sliding block joint electric bicycle 4 on spiral arm 3, is equipped with Suspension System on electric bicycle 4; The number of this spiral arm 3 is two, and two spiral arms form the jaw structure being fixedly connected with, and jaw structure is positioned on horizontal surface; On spiral arm, have guide-track groove (attached not shown), electric bicycle slides along the guide-track groove of spiral arm.
Particularly, two spiral arms are positioned on horizontal surface abreast, and its one end being connected with S. A. 2 respectively, for being fixedly connected with, has space between two spiral arms 3 that be arranged in parallel; Thereby form jaw structure.Electric bicycle is connected with spiral arm respectively by being satisfied with two guide-track grooves on spiral arm 3, thereby realizes the slip along spiral arm direction.
Revolving jib crane provided by the invention, realizes being suspended the lifting of object by the Suspension System of being satisfied with on electric bicycle; Slide and realize being suspended the movement of object along spiral arm direction along spiral arm by electric bicycle; The non-rectilinear having rotated being suspended object around S. A. by spiral arm moves.Further, because the number of this radial arm of crane is two, and there is space between two spiral arms that be arranged in parallel, at revolving jib crane, high temp objects is moved, when lifting, high temp objects area just above can be the highest because of circulating air temperature, and the high temp objects that revolving jib crane suspends in midair is roughly positioned between two spiral arms, therefore, it is more stable when the lift-launch pattern of two spiral arms can make suspention have the electric bicycle of high temp objects to move on the one hand, thereby reduce the possibility that high temp objects rotates and rocks, on the other hand, high hot air can be held and can not stopped by spiral arm by the easier dissipation in space having between two spiral arms, in addition, than single turning crane of the prior art, two spiral arms also can make to be positioned at the high temp objects that the electrical components such as the electric bicycle on spiral arm lift by crane away from it as far as possible, thereby reduce on the whole the impact of high temp objects on the each parts of revolving jib crane, reduce the possibility of electrical components because of excess Temperature et out of order, thereby can reduce the impact of high temp objects on hoisting crane, realize this revolving jib crane and can adapt to better the work such as the lifting of high temp objects.
Preferably, as shown in Fig. 5,7, this revolving jib crane, can also comprise and be satisfied with to keep on electric bicycle 4 and in moving process the stable fixed mount of object 6.In heavy industry fields such as casting, smeltings, hoisting crane is in the time of mobile high temperature foundry goods, high temperature foundry goods easily rotates and rocks, some high temperature chips that cause being attached on foundry goods are thrown out of, this not only can threaten near staff personal safety, also can fire hazard, and the fixed mount of being satisfied with on electric bicycle can preferably keep hanging object stable in moving process, thus can more safely realize the work such as lifting to high temp objects.
Preferably, as shown in Figure 3, this revolving jib crane, can also comprise the slewing arrangement 7 of being satisfied with on electric bicycle 4, and this slewing arrangement 7 is fixedly connected with fixed mount 6.In association areas such as casting, smeltings, sometimes because of the size of high temp objects, condition restriction that shape is subject to workyard or the reason of other side, people wish that hanging object is placed in certain position in a particular manner, at this moment just high temp objects need to be carried out to the rotation of certain angle around the S. A. of vertical direction, and due to the characteristic of high temp objects self, even if for some lighter high temp objects, staff also cannot directly move rotation after it lands.Therefore, by being satisfied with the slewing arrangement on electric bicycle, can realizing easily high temp objects is rotated around the S. A. of vertical direction, thereby meet people high temp objects is carried out the requirement of further state manipulation.Make slewing arrangement be fixedly connected with fixed mount, fixed mount is rotated in company with high temp objects simultaneously, can in rotary course, stablize at any time high temp objects, thereby make whole working process safer.
Preferably, as shown in Fig. 1,2,4,5, fixed mount 6 can adopt following manner to realize: fixed mount 6 comprises two fixed link 61 and the shifting bars 62 vertically settled; The upper end of two fixed links 61 is fixedly connected with slewing arrangement 7 respectively; Two shifting bar 62 difference nooses are in two fixed links 61; The lower end of two shifting bars 62 is provided with the suspention beam 63 being connected with described Suspension System, and the bottom of shifting bar 62 connects the hanging end 8 for suspending object in midair.Adopt the fixed mount of said structure, its symmetrical expression design can coordinate two symmetrical spiral arms better on the one hand, improves stability, also can make device entirety more simplify, and is convenient to dismounting, and reduces the possibility that fault occurs; On the other hand, by the hanging end for suspending object in midair directly with can in the vertical direction flexible shifting bar, and Suspension System directly acts on the suspention beam of fixed mount, realizes the landing to hanging object, not only can make hanging object more firm, be difficult to the movement in occurred level direction; On the other hand, also can make fixed mount rise simultaneously or to decline in company with hanging object, this can adapt to better some and have specified conditions restriction workyard, for example, while thering is the obstacle of certain altitude in the circular work area covering at spiral arm, the fixed mount of said structure makes revolving jib crane more flexible, crosses easily obstacle and completes the work such as the lifting to high temp objects; In addition the connection mode that adopts fixed link and shifting bar phase noose, also can shorten the height of this fixed mount on vertical direction, thereby reduce the required space of this revolving jib crane work.
Certainly, fixed mount also can adopt other optional implementation arbitrarily, for example, and as an optional embodiment, fixed mount can be also 4 bars that rigidly fix that are vertically arranged on four jiaos of electric bicycles, or two sides/tri-symmetry is arranged on the baffle plate on electric bicycle.Should be noted herein, the concrete structure of this fixed mount and shape are specifically to determine according to the shape of the target of revolving jib crane and structure, for difform hanging object, those skilled in the art can corresponding outfit difformity, the fixed mount of structure and connection mode, comes in the process of rotation and mobile high temp objects, to keep better hanging object stable.
Preferably, as shown in Figure 3, slewing arrangement can adopt following manner to realize: slewing arrangement 7 comprises can realize slide rail A71 and the bearing (attached not shown) that two fixed links 61 rotate around vertical direction, and bearing and slide rail A71 sliding block joint are realized the slip along slide rail A; The upper end of two fixed links 61 is separately fixed on bearing.The slewing arrangement of said structure not only can make device entirety more simplify, and is convenient to dismounting, and reduces the possibility that fault occurs; Also can coordinate better the concrete structure of aforementioned fixed mount 6, realize high temp objects is rotated around the S. A. of vertical direction.
Certainly, slewing arrangement also can adopt other optional implementation arbitrarily, the selection foundation of similar fixed mount, the concrete structure of this slewing arrangement and mounting means are also to come further concrete definite according to the shape of fixed mount and structure, for different fixed mounts, those skilled in the art can corresponding outfit difformity, the slewing arrangement of structure and connection mode, comes in the process of rotation and mobile high temp objects, to keep better hanging object stable.
In addition, the concrete connection mode of the specific implementation that aforementioned fixed mount adopts and fixed link and slewing arrangement, equally also can adopt other optional implementation arbitrarily to realize, for example, as an optional embodiment, fixed mount can directly be realized with rigid rod: the bottom of two rigid rods connects by suspention beam, and the top of two rigid rods is provided with along the tooth bar of bar direction, and two rigid rods are connected by gear with bearing respectively.
Preferably, as shown in Fig. 1,2,4-6, this fixed mount 6 can also comprise Suspension 64, and Suspension 64 connects the bottom of two shifting bars 62, and hanging end 8 is connected with shifting bar 62 by Suspension 64; Described hanging end 8 is at least two, and at least two hanging ends 8 are connected with described Suspension 64 in the adjustable mode of spacing in horizontal direction.Herein, at least two hanging ends can adopt arbitrarily optional implementation to reach and Suspension adjustable being connected of spacing in the horizontal direction.As an optional embodiment, hanging end can adopt following implementation to complete this connection: as shown in Figure 6, have the groove of horizontal direction on Suspension, hanging end can be secured by bolts in groove optional position.
Herein, multiple hanging ends are hook block hanging object simultaneously, can further improve the stability of hanging object, reduces its possibility of rocking or tremble.In addition, in the real work of hoisting crane, for the consideration that adapts to better different hanging objects, Suspension can be installed on fixed mount, multiple hanging ends can horizontal direction on the adjustable mode of spacing be connected with described Suspension.In association areas such as casting, smeltings, different model, batch its size of product can change, but its shape is constant, correspondingly on hanging object, point of suspension position also can change.Hanging end in the horizontal direction spacing is adjustable, only need be in the time that product batches change, and adaptations hanging end spacing in the horizontal direction, can conveniently adapt to the identical product of multiple batches of shape to lift.
Certainly, hanging end can be realized with any other optional implementation, for example, hanging end also can be directly installed on the bottom of shifting bar, or, can directly adopt the shifting bar of " L " type, hanging end using shifting bar bottom horizontal component as suspention object etc.; In addition, the shape of hanging end can be also arbitrarily, for example, hanging end can make " L " type,, " J " type or " U " type etc., the concrete shape of hanging end need to can be determined for the point of suspension of suspention according to the shape of hanging object and hanging object, to keep better hanging object stable in the process of rotation and mobile high temp objects.
In addition, hanging end also can adopt traditional mode, is directly connected in the suspention rope of Suspension System, and now, fixed mount can directly be connected on electric bicycle, and its concrete set-up mode still needs to determine according to actual job situation.
The electric bicycle of this revolving jib crane can be realized with arbitrarily optional implementation, preferably, as shown in Fig. 1,3,4, electric bicycle 4 can adopt following manner to realize: electric bicycle 4 can comprise the flat board 41 that is positioned at 3 of two spiral arms, and dull and stereotyped 41 middle parts have manhole 42; Described slide rail A71 is positioned at through hole 42.Adopt the electric bicycle of said structure, its symmetrical expression design can coordinate two symmetrical spiral arms and other parts better on the one hand, improves stability; The slide rail A of slewing arrangement is placed in through hole, also can makes device entirety more simplify, be convenient to dismounting, and reduce the possibility that fault occurs; On the other hand, the manhole of opening on flat board, can make the easier dissipation of high hot air hold and can not be blocked, and makes this revolving jib crane can adapt to better the work such as the lifting of high temp objects.
Preferably, as Figure 1-4, between two fixed links 6 of this revolving jib crane, can also be equipped with at least one positioning beam 611, the midpoint of positioning beam 611 can be offered hole 6110, and the projection of positioning beam 611 on dull and stereotyped 41 is by the center of circle of round through hole 42; The suspention rope 510 of Suspension System is connected with suspention beam 63 through hole 6110.Here, the suspention rope of Suspension System is connected with suspention beam through hole, thereby the landing of realization to fixed mount and hanging object, when this can be avoided fixed mount and hanging object to rotate, suspended rope in midair and be wrapped in the fault causing on associated components; In addition, make the projection of positioning beam on flat board can make fixed link be placed in symmetrically on electric bicycle by the center of circle of round through hole, the gravity direction of hanging object is roughly positioned on the symmetrical plane of revolving jib crane, and coincide with the S. A. of vertical direction, thereby improve the stability of hanging object in the time rotating.
Particularly, Suspension System can be selected steel rope type electric block and loop chain type electric block, and correspondingly, suspention rope can be wirerope or loop chain type chain.Certainly, Suspension System and suspention rope all can be chosen arbitrarily, and specific implementation need to need to be determined according to real work.
Preferably, this revolving jib crane can also comprise the motor (attached not shown) and the PLC programming electric-control system (attached not shown) that drive S. A. rotation, and this PLC programming electric-control system is electrically connected with motor, slewing arrangement 7, electric bicycle 4 and Suspension System.Can realize the automation lifting operation to high temp objects by the PLC electric-control system of programming, improve production efficiency so on the one hand, also can make on the other hand staff away from work-yard, make whole working process safer.
An application example as this revolving jib crane at certain forging plant, first the high-temperature furnace door of foundry goods chamber sends an enabling signal to PLC system, door opened, high temperature foundry goods slowly rolls foundry goods chamber away from pushing away platform, meanwhile according to setting up in advance the intrasystem program in PLC, hoisting crane is adjusted spiral arm and slewing arrangement automatically, spiral arm rotates to desired location and automatic retarding, Suspension System is put down suspention rope, shifting bar and hanging end slowly decline and put in place, push away platform travels to desired location simultaneously, just make the cross bar on high temperature foundry goods penetrate two hanging ends that are positioned on shifting bar, Suspension System promotes suspention rope, thereby drive the high temperature foundry goods of shifting bar and hanging end to be promoted to certain altitude, meanwhile, spiral arm rotation is to another location and put down high-order foundry goods, cooling by carrying out in high temperature foundry goods immersion cooling pond, after certain hour, again foundry goods is shifted out and is placed in desired location.Whole operation process, staff can realize the long-range or default manipulation to hot operation district, convenient and safe.Should be noted, this revolving jib crane can adopt PLC to weave into automatic control and manually control two kinds of modes herein, thereby more convenient hanging object is moved and the operation such as lifting.
Preferably, as shown in Figure 7, as another optional embodiment of the present invention, this revolving jib crane can also comprise hold-down arm 9, and hold-down arm 9 one end are equipped with antifriction-bearing box 91, and the other end is fixedly connected with one end that two spiral arms 3 approach S. A. 2; On pillar stiffener 1, be equipped with the slide rail B11 matching with antifriction-bearing box 91, hold-down arm 9 is by antifriction-bearing box 91 and pillar stiffener 1 sliding block joint.Hold-down arm is installed and can be improved the maximum lifting weight of this revolving jib crane, and can further improve revolving jib crane stability when rotated.
Preferably, as shown in Fig. 1,4, two spiral arms of this revolving jib crane all can adopt I-beam section, adopt I-beam section can be on the basis that guarantees spiral arm intensity the further cost of economy system; Adopt I-beam section also can realize with electric bicycle and preferably coordinating simultaneously, further improve the stability of device.Certainly, spiral arm is realized also and being all fine with arbitrarily optional other implementation.
On spiral arm when actual installation electric bicycle, specifically can adopt following mounting means: the slide rail that level is set on the lower wing plate of I-beam section spiral arm, two groups of roller set that connect respectively the slide rail of two spiral arms are installed symmetrically on electric bicycle, roller shaft with adopt embedded fit system at the lower wing plate of I-beam section spiral arm, flat board on electric bicycle is roughly positioned on horizontal surface, and the manhole on flat board is the midway location in two spiral arms roughly, as shown in Figure 2.Certainly, the mounting means of electric bicycle is also can be optional, and for example, electric bicycle also can be satisfied with on the upper flange of I-beam section spiral arm etc.
Preferably, two spiral arm ends relative with S. A., stop part can also be set, stop part be set and can prevent that electric bicycle from skidding off spiral arm because of unexpected, thereby further improve the safety of device.
In addition, on two fixed links, can also cleading be further installed, cleading adopts high temperature resistant sheet material, being fixed on fixed link of level.Thermal radiation that cleading can further the reduce high temp objects impact on this hoisting crane all parts is installed.Meanwhile, the connecting cable outside between each electrical components can arrange the wet protective cover of outer heat insulation; The electrical motor outside of associated components can arrange heat insulation wet stock; Hanging end adopts 304 corrosion-resistant steels of high temperature resistant moisture-proof to make; Revolving jib crane integral surface spraying heatproof moisture-proof paint, can further make revolving jib crane adapt to better the complex work environment of hot and humid degree by above-mentioned optimal way.
What need to emphasize is herein, this revolving jib crane manipulating object is not only for high temp objects, it can preferably complete the manual/autoization lifting task of regular general cargo equally, correspondingly, also can carry out comformability variation to the associated components of this revolving jib crane for the concrete shape of concrete lifting task and hoisting object, and this do not affect this revolving jib crane achieved to object carry out non-rectilinear move, more stable, safer while lifting work; Can carry out the characteristics such as state control to lifted by crane object.
The above, be better case study on implementation of the present invention, not the present invention imposed any restrictions; And in the situation that not conflicting, each feature in each embodiment and embodiment in the present invention can combine mutually.Every any simple modification of above embodiment being done according to the technology of the present invention essence, change and equivalent structure change, and all still belong in the protection domain of technical solution of the present invention.
Claims (10)
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| CN201410144584.XA CN103896161B (en) | 2014-04-11 | 2014-04-11 | A kind of revolving jib crane |
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| CN201410144584.XA CN103896161B (en) | 2014-04-11 | 2014-04-11 | A kind of revolving jib crane |
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| CN103896161A true CN103896161A (en) | 2014-07-02 |
| CN103896161B CN103896161B (en) | 2015-09-09 |
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| CN107244617B (en) * | 2017-08-02 | 2018-07-27 | 合肥科地尔农业技术开发有限公司 | A kind of large-scale tree boom hoisting |
| CN109516380A (en) * | 2018-11-27 | 2019-03-26 | 湖南顶立科技有限公司 | A kind of jacking system |
| CN111675113A (en) * | 2020-06-20 | 2020-09-18 | 山东临工工程机械有限公司 | Loader rocker arm pin shaft lifting device |
| CN112173991A (en) * | 2020-10-15 | 2021-01-05 | 铜仁职业技术学院 | Quick lifting means of instrument is used in civil engineering road and bridge construction |
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| CN112173991B (en) * | 2020-10-15 | 2022-12-20 | 铜仁职业技术学院 | Quick lifting means of instrument is used in civil engineering road and bridge construction |
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|---|---|
| CN103896161B (en) | 2015-09-09 |
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