CN103482495B - Sliding device and counterweight hitching device - Google Patents
Sliding device and counterweight hitching device Download PDFInfo
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- CN103482495B CN103482495B CN201310459636.8A CN201310459636A CN103482495B CN 103482495 B CN103482495 B CN 103482495B CN 201310459636 A CN201310459636 A CN 201310459636A CN 103482495 B CN103482495 B CN 103482495B
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Abstract
The invention relates to a sliding device and a counterweight hitching device. The sliding device comprises an end plate, wherein the end plate is arranged at the tail part of a crane rotary table; a sliding track structure, a fixed pulley assembly, a movable pulley assembly, a rope row assembly, a rope reeling roller assembly and a counterweight oil cylinder are arranged on the end plate; one end of the rope row assembly is connected with a counterweight support, and the other end of the rope row assembly bypasses the fixed pulley assembly and the movable pulley assembly and is finally wound on the rope reeling roller assembly; the rope reeling roller assembly is used for retracting and stretching the rope row assembly; the fixed pulley assembly can move horizontally along the sliding track structure and can be fixed with the sliding track structure; and the counterweight oil cylinder drives the pulley assemblies to move horizontally and further drives the rope row assembly to lift the counterweight support upwards, so that the counterweight support is hitched with the tail part of the crane rotary table. The sliding device and the counterweight hitching device not only can change the distance between the gravity center of a counterweight and a gyration center, but also is simpler and more compact in structure, higher in reliability and lower in cost.
Description
Technical field
The present invention relates to engineering machinery field, particularly relate to a kind of slide device, and adopt the counterbalanced weight hanging device of this slide device.
Background technology
Along with China's expanding economy, for the increase in demand of Kiloton lifting machine, Kiloton lifting machine is widely used in wind energy turbine set, the engineering field such as van container and large bridge.Under carrying out condition of construction at a distance, the overall weight of Kiloton lifting machine is very large, and traffic cost is higher; Counterbalanced weight is one of important composition parts of Kiloton lifting machine, and the lift heavy performance of Kiloton lifting machine depends primarily on the center of gravity of counterbalanced weight and the distance at crane rotation center, and the weight of counterbalanced weight (i.e. counterbalanced weight provide moment of flexure).Traditional counterbalanced weight mounting system is Combined flat weight (hanging with the iron block of changeable weight at the turntable afterbody of hoisting crane, to ensure the stability of hoisting crane), the center of gravity of counterbalanced weight and the distance at crane rotation center constant.
Along with the lifting of the lift heavy performance of Kiloton lifting machine, the total weight of counterbalanced weight also constantly increases, and has reached more than 140 ton; In the process of Kiloton lifting machine performance boost, the total cost of counterbalanced weight is also improving constantly.Meanwhile, along with the increase of counterbalanced weight weight, the number of combinations of counterbalanced weight also increases thereupon, and the time that dismounting counterbalanced weight consumes is elongated, and the expense of client in transport process also increases.In order to meet lifting performance and the transport performance of Kiloton lifting machine, in the achievable situation of various operating mode, the weight reducing counterbalanced weight is the major issue faced at present.
By adopting counterbalanced weight slippage hanging device on Kiloton lifting machine, changing the center of gravity of counterbalanced weight and the distance at crane rotation center, not only can meet actual condition demand, and also reduce productive costs and the traffic cost of counterbalanced weight.The structure of current most widely used sliding mounting counterbalanced weight has two kinds: the first adopts bar linkage structure mounting Vertical Cylinders, adopts on the downside of cross cylinder drive linkage arrangement and realizes counterbalanced weight slippage; The second arranges counterbalanced weight placing rack, adopts the heavy placing rack of cross cylinder driven equilibrium along guide rail parallel motion, realizes the horizontal sliding of counterbalanced weight.These two kinds of methods are all driven by cross cylinder, and the first adopts bar linkage structure simultaneously, and the second employing support guide structure, makes apparatus structure complicated and its moving range is limited, and poor practicability, reliability is low.
Summary of the invention
The object of the invention is to propose a kind of slide device and counterbalanced weight hanging device, it not only can be used for the distance of the distance of centre of gravity center of gyration changing counterbalanced weight, and structure is more simply compact, and reliability is higher, and cost is lower.
For achieving the above object, the invention provides a kind of slide device, it is characterized in that: it comprises the end plate being arranged on rotating platform of crane afterbody, described end plate is arranged rail structure, fixed pulley assembly, movable pulley component, rope row assembly, serving drum assembly and counterbalanced weight oil cylinder; One end of described rope row assembly connects counterbalanced weight support, and the other end walks around described fixed pulley assembly and described movable pulley component, is finally wrapped on described serving drum assembly, and described serving drum assembly is used for rope row assembly described in folding and unfolding; Described fixed pulley assembly along described rail structure parallel motion, and can be fixed with described rail structure; Movable pulley component parallel motion described in described counterbalanced weight hydraulic oil cylinder driving, and then drive described rope row assembly upwards to promote described counterbalanced weight support, mount with described rotating platform of crane afterbody.Technique scheme is compared with oil cylinder Level Promoting slide device of the prior art, do not need to increase new cross cylinder, its skidding distance is realized by slide rail, not by the stroke limitation of counterbalanced weight oil cylinder, skidding distance is comparatively large, and rail structure is also arranged on rotating platform of crane afterbody, simple and compact for structure, productive costs is low, and reliability is high.
Further, described rail structure comprises the first slide rail and the second slide rail that be arranged in parallel up and down, and in described first slide rail, interval arranges two or more first fixed pulley mounting hole, and in described second slide rail, interval arranges two or more second fixed pulley mounting hole.
Further, described fixed pulley assembly comprises the first fixed pulley and the second fixed pulley, and described first fixed pulley can be selected to be arranged in arbitrary described first fixed pulley mounting hole; Described second fixed pulley can be selected to be arranged in arbitrary described second fixed pulley mounting hole.
Further, described movable pulley component comprises the first movable pulley and the second movable pulley, described first movable pulley and the second movable pulley is upper and lower is arranged on a moving pulley bracket, described moving pulley bracket is fixedly connected with the pipe link of described counterbalanced weight oil cylinder, and described counterbalanced weight oil cylinder is horizontally set on described end plate.
Further, described rope row assembly comprises the first rope row and the second rope row, and described serving drum assembly comprises first volume rope drum and volume Two rope drum; The vertical connection first in one end fag end of described first rope row, the other end walks around described first fixed pulley straight up, and horizontal direction walks around described first movable pulley, is wrapped on described first volume rope drum; The vertical connection second in one end fag end of described second rope row, the other end walks around described second fixed pulley straight up, and horizontal direction walks around described second movable pulley, is wrapped on described volume Two rope drum.
Further, described slide device also comprises and is arranged on the first guiding roller on described end plate and the second guiding roller; Described first rope row is by after the bottom guiding of described first guiding roller, and be wrapped on described first volume rope drum, described first guiding roller and described first volume rope drum are all arranged on the top of described first movable pulley; After the top guide of described second rope row by described second guiding roller, be wrapped on described volume Two rope drum, described second guiding roller and described volume Two rope drum are all arranged on the below of described second movable pulley.Adopt technique scheme, can the upper and lower both sides of balanced moving pulley bracket stressed.
Further, described first rope row and described second rope row include some groups of steel ropes, often organize steel rope and include some steel ropes, and described often group steel rope is all corresponding connects a fag end.Technique scheme, adopts rope row mounting counterbalanced weight support, can improve the stability of equalizer bar support lift, and single wire rope not easy to wear.
Further, described first fixed pulley and described second fixed pulley include some groovings, and each described grooving, for being wound around one group of steel rope, described first fixed pulley and described second fixed pulley is provided with sliding and position limitation block.Slide rail is departed from for preventing fixed pulley by arranging sliding and position limitation block.
Described first movable pulley and described second movable pulley include some groovings, and each described grooving is for being wound around one group of steel rope.
Further, the both sides of described first volume rope drum and described volume Two rope drum are provided with baffle plate, are provided with some groovings described in both sides between baffle plate, and each described grooving is for being wound around one group of steel rope.
Further, described first volume rope drum and described volume Two rope drum all adopt its rotation of motor control.
For achieving the above object, the invention provides a kind of counterbalanced weight hanging device, comprise counterbalanced weight support, also comprise above-mentioned slide device, described slide device is symmetricly set on the both sides of rotating platform of crane afterbody, the end plate of described slide device is arranged at intervals with some counterbalanced weight mounting points, and the described counterbalanced weight mounting point of described rotating platform of crane two sides of tail is symmetrical between two.Technique scheme is by arranging multiple different counterbalanced weight mounting point, by fixed pulley assembly along slippage before and after rail structure, determine counterbalanced weight mounting point, and along with the change of fixed pulley assembly position, adopt serving drum assembly withdrawing rope row assembly, therefore, change the distance of the distance of centre of gravity center of gyration of counterbalanced weight, realizing when meeting the lifting performance of Kiloton lifting machine, completing counterbalanced weight loss of weight and reducing and producing and traffic cost.
Further, counterbalanced weight hanging device also comprises elevator stretching device, described elevator stretching device comprises a cylinder, described cylinder both sides are provided with baffle plate, baffle plate described in one of them is provided with handle, described cylinder is wound around elevator stretching steel rope, the end of described elevator stretching steel rope be provided with for the suspension hook of hanging structure hook joint that arranges on described fixed pulley assembly, by rotating described handle, described elevator stretching steel rope is wound around on which cylinder, the gyroscopic movement of described elevator stretching steel rope is become the straight line slipping motion of described fixed pulley assembly.For Kiloton lifting machine, slide device provided by the invention and adopt the counterbalanced weight hanging device of this slide device to be arranged on the turntable afterbody of hoisting crane, if directly adopt manual tension fixed pulley assembly, then inconvenient operation, there is certain danger, therefore, by arranging elevator stretching device provided by the invention, can increase work efficiency, and easy-to-operate.
Further, the bilateral symmetry of described counterbalanced weight support arranges counterweight block, described counterbalanced weight support is also provided with counterbalanced weight mount hole and fag end mount hole, described counterbalanced weight mount hole is for being connected with described counterbalanced weight mounting point symmetrically arranged on the described end plate of described rotating platform of crane two sides of tail, and described fag end mount hole is used for being connected with the described row of rope assembly.
Based on technique scheme, skidding distance of the present invention is realized by rail structure, not by the stroke limitation of counterbalanced weight oil cylinder, skidding distance is comparatively large, and rail structure is also arranged on the end plate of rotating platform of crane afterbody, simple and compact for structure, productive costs is low, and reliability is high, by adjusting the distance of the distance of centre of gravity center of gyration of counterbalanced weight, in the lifting performance situation meeting Kiloton lifting machine, the total weight of counterbalanced weight can be reduced and save various expense.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is slide device structural representation provided by the invention;
Fig. 2 is the second movable pulley provided by the invention, the second fixed pulley, the second guiding carrying roller, volume Two rope drum and the second rope row connection diagram;
Fig. 3 is elevator stretching device structural representation provided by the invention;
Fig. 4 is counterbalanced weight support provided by the invention and counterbalanced weight block structure schematic diagram;
Fig. 5 is slide device slippage principle schematic provided by the invention;
Fig. 6 is slide device provided by the invention and the counterbalanced weight hanging device adopting this slide device assembling schematic diagram at rotating platform of crane afterbody.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1, Fig. 6, slide device A provided by the invention is symmetricly set on the both sides of rotating platform of crane afterbody, and the slide device A structure that rotating platform of crane two sides of tail is arranged is substantially identical, existing for the slide device A of wherein side setting, is described in detail.Slide device A comprises the end plate 1 being arranged on rotating platform of crane afterbody, on end plate 1, level is fixedly installed counterbalanced weight oil cylinder 2(as shown in Figure 5), the pipe link of counterbalanced weight oil cylinder 2 is fixedly connected with moving pulley bracket 3, counterbalanced weight oil cylinder 2 drive moving pulley bracket 3 can along on end plate 1 arrange guide rail slippage, moving pulley bracket 3 is vertically arranged on end plate 1, its top is provided with the first movable pulley 4, and bottom is provided with the second movable pulley 5.
As shown in Figure 1, end plate 1 has certain distance in the horizontal direction with the first movable pulley 4, be arranged at intervals with two or more for installing the first fixed pulley mounting hole 7 of the first fixed pulley 6, two or more the first fixed pulley mounting holes 7 are at sustained height, and be all arranged in the first slide rail 8 on end plate 1, first fixed pulley 6 along the first slide rail 8 slippage, and can be fixed with any one the first fixed pulley mounting hole 7.On end plate 1, the top of the first movable pulley 4, horizontal direction has certain distance, be arranged at intervals with the first guiding roller 9 and first volume rope drum 10, the height of first volume rope drum 10 is higher than the height of the first guiding roller 9, and the first guiding roller 9 is for leading to walking around the first rope row 11 that the first movable pulley 4 is wrapped on first volume rope drum 10.The vertical connection first in one end fag end 12 of the first rope row 11, the other end walks around the first fixed pulley 6 straight up, horizontal direction upwards walks around the first movable pulley 4 bottom the first movable pulley 4, after the bottom guiding of the first guiding roller 9, be wrapped in first volume rope drum 10 from the top of first volume rope drum 10.
As shown in Figure 1 and Figure 2, on end plate 1, in the horizontal direction there is certain distance with the second movable pulley 5, be arranged at intervals with two or more for installing the second fixed pulley mounting hole 14 of the second fixed pulley 13, two or more the second fixed pulley mounting holes 14 are at sustained height, and being all arranged in the second slide rail 15 on end plate 1, the second fixed pulley 13 can slide along the second slide rail 15, and can fix with any one the second fixed pulley mounting hole 14.On end plate 1, the below of the second movable pulley 5, horizontal direction keeps at a certain distance away, be arranged at intervals with the second guiding roller 16 and volume Two rope drum 17, the height of volume Two rope drum 17 is lower than the height of the second guiding roller 16, and the second guiding roller 16 is for leading to walking around the second rope row 18 that the second movable pulley 5 is wrapped on volume Two rope drum 17.The vertical connection second in one end fag end 19 of the second rope row 18, the other end walks around the second fixed pulley 13 straight up, horizontal direction walks around the second movable pulley 5 from the top of the second movable pulley 5, after top guide finally by the second guiding roller 16, be wrapped in volume Two rope drum 17 from the top of volume Two rope drum 17.
In above-described embodiment, first guiding roller 9 and the second guiding roller 16 are symmetrical arranged, first volume rope drum 10 and volume Two rope drum 17 are symmetrical arranged, and the first guiding roller 9 and first volume rope drum 10 are positioned at the outside of the first rope row 11, second guiding roller 16 and volume Two rope drum 17 are positioned at the outside of the second rope row 18, and above-mentioned setting can balanced moving pulley bracket about 3 both sides stressed.
In above-described embodiment, because the first fixed pulley 6 can along the first slide rail 8 slippage, and can fix with any one the first fixed pulley mounting hole 7, second fixed pulley 13 can slide along the second slide rail 15, and can fix with any one the second fixed pulley mounting hole 14, therefore, can slip first fixed pulley 6 be passed through, make the first rope row 11 be connected with the first fag end 12 vertical sections spans (as shown in Figure 5) in forward and backward position with certain distance; In like manner, can slip second fixed pulley 13 be passed through, make the second rope row 18 be connected with the second fag end 19 vertical sections spans in forward and backward position with certain distance.By above-mentioned span, can the distance at the heavy center of gravity of adjustment and crane rotation center, the moment of flexure that change counterbalanced weight provides.
In above-described embodiment, the first slide rail 8 is parallel with the second slide rail about 15, the first slide rail 8 apart from the distance of moving pulley bracket 3 than the distance of the second slide rail 15 apart from moving pulley bracket 3.
In above-mentioned example, first rope row 11 is substantially identical with the structure of the second rope row 18, include some groups of steel ropes, in accompanying drawing 1 provided by the invention, first rope row 11 and the second rope row 18 include two groups of steel ropes, often organize steel rope and include some steel ropes, often organize steel rope correspondence and connect a fag end.
In above-described embodiment, the first fixed pulley 6 is substantially identical with the structure of the second fixed pulley 13, includes some groovings, one group of steel rope on each grooving correspondence rope row; , the first fixed pulley 6 is positioned at certain distance on rear side of the second fixed pulley 13 horizontal direction, and the first fixed pulley 6 and the second fixed pulley 13 are provided with hanging structure, and the sliding and position limitation block for preventing himself from departing from slide rail.
In above-described embodiment, the first movable pulley 4 is substantially identical with the structure of the second movable pulley 5, includes some groovings, one group of steel rope on each grooving correspondence rope row.
In above-described embodiment, first volume rope drum 10 is substantially identical with the structure of volume Two rope drum 17, and its both sides are provided with baffle plate, and for avoiding, rope is exclusive alters, and is provided with some groovings between two side shields, one group of steel rope on a grooving correspondence rope row.Propulsive effort, to being applied to folding and unfolding first row of rope 11 and the second rope row 18, is passed to the first rope row 11 and the second rope row 18 by first volume rope drum 10 and volume Two rope drum 17.First volume rope drum 10 and volume Two rope drum 17 all can adopt motor control, and it rotates, correspondence realizes release and the withdrawal of the first rope row 11 and the second rope row 18, first volume rope drum 10 and volume Two rope drum 17 are all fixed on end plate 1 by wearing bearing pin, first volume rope drum 10 and volume Two rope drum 17 are not rotated when mounting counterbalanced weight, so ensure the first rope row 11 and the total length of the second rope row 18 when mounting counterbalanced weight constant.
Counterbalanced weight hanging device provided by the invention, comprise slide device A provided by the invention, also comprise elevator stretching device 20(as shown in Figure 3) and counterbalanced weight support 21(is as shown in Figure 4), and the end plate 1 of rotating platform of crane two sides of tail is all arranged at intervals with some counterbalanced weight mounting point 22(as shown in Figure 1).The counterbalanced weight mounting point 22 that the end plate 1 of rotating platform of crane two sides of tail is arranged is symmetrical between two, often pair of symmetrical counterbalanced weight mounting point 22 is a mounting position of counterbalanced weight, in accompanying drawing 1 provided by the invention rotating platform of crane two sides of tail end plate 1 on be provided with two counterbalanced weight mounting points 22, be respectively the first counterbalanced weight mounting point and the second counterbalanced weight mounting point, counterbalanced weight is made to mount position to two should be had, be respectively the first mounting position and the second mounting position, therefore, it is possible to the distance of adjustment distance of centre of gravity center of gyration heavily.
As shown in Figure 3, elevator stretching device 20 comprises a cylinder, and cylinder both sides are provided with baffle plate 23, cylinder is wound around elevator stretching steel rope 24, and the end of elevator stretching steel rope 24 is provided with suspension hook 25, and one of them baffle plate 23 is provided with handle 26.The method of operation of elevator stretching device 20 is suspension hook 25 is caught on the hanging structure 27 that the first fixed pulley 6 or the second fixed pulley 13 are arranged, the gyroscopic movement of the steel rope 24 that to be stretched by elevator is driven to become the straight-line motion of the first fixed pulley 6 or the second fixed pulley 13 by handle 26, and then realize the slippage along the first slide rail 8 or the second slide rail 15 of the first fixed pulley 6 or the second fixed pulley 13 correspondence, after first fixed pulley 6 or the second fixed pulley 13 arrive desired location, take off suspension hook 25.For Kiloton lifting machine, slide device A provided by the invention and adopt the counterbalanced weight hanging device of this slide device A to be arranged on rotating platform of crane afterbody, if directly adopt manual tension first fixed pulley 6 or the second fixed pulley 13, then inconvenient operation, there is certain danger, therefore, by arranging elevator stretching device 20 provided by the invention, can increase work efficiency, and easy-to-operate.
As shown in Figure 4, the bilateral symmetry of counterbalanced weight support 21 arranges counterweight block 28, two counterbalanced weight mount holes 29 are provided with between the counterweight block 28 of both sides, and be arranged at intervals with two the first fag end mount holes 30 for being connected with the first first fag end 12 of restricting row 11 along the side of counterbalanced weight support 21 length direction, and be arranged at intervals with two the second fag end mount holes 31 for being connected with the second second fag end 19 of restricting row 18 along the opposite side of counterbalanced weight support 21 length direction, two counterbalanced weight mount holes 29 are for being connected with symmetrically arranged counterbalanced weight mounting point 22 on the end plate 1 of rotating platform of crane two sides of tail, complete the mounting of counterbalanced weight.
Be illustrated in figure 6 the assembling schematic diagram of counterbalanced weight hanging device at rotating platform of crane afterbody adopting slide device A provided by the invention and adopt this slide device A, as shown in figs 1 to 6, slide device A provided by the invention and counterbalanced weight hanging device is adopted to comprise the following steps the method that counterbalanced weight carries out slippage mounting:
In slipping, elevator stretching device 20 is fixed on rear or the front of the first fixed pulley 6 needing slippage, suspension hook 25 on elevator stretching device 20 is caught on the hanging structure 27 that the first fixed pulley 6 is arranged, be wrapped on elevator stretching device 20 by handle 26 elevator stretched steel rope 24, the gyroscopic movement of steel rope 24 of being stretched by elevator becomes the straight-line motion of the first fixed pulley 6, realizes the slippage of the first fixed pulley 6 along the first slide rail 8; First volume rope drum 10 discharges or reclaims the first rope row 11 simultaneously, by changing the position of the first fixed pulley 6, and the length of the first rope row 11, change the position of counterbalanced weight mounting point, reach the distance changing counterbalanced weight center of gravity and center of gyration.
A selected suitable first fixed pulley mounting hole 7, after the first fixed pulley 6 slippage arrives, first fixed pulley 6 and the first fixed pulley mounting hole 7 are fixed, fix first volume rope drum 10 simultaneously, after first volume rope drum 10 is fixing, can not rotate, the total length of the first rope row 11 is constant, for the mounting work after counterbalanced weight slippage is prepared.
The fixing means of the second fixed pulley 13 is identical with the fixing means of above-mentioned first fixed pulley 6, does not repeat them here.
After first fixed pulley 6 and the second fixed pulley 13 all adopt said method fixing, the position of symmetrically arranged counterbalanced weight mounting point 22 on the end plate 1 that its fixed installation position determines rotating platform of crane two sides of tail, and then determine the mounting position of counterbalanced weight.In the mounting process of counterbalanced weight, because first volume rope drum 10 and volume Two rope drum 17 are fixed, do not rotate, the total length of the first rope row 11 and the second rope row 18 is constant.The bilateral symmetry of counterbalanced weight support 21 arranges counterweight block 28, and first fag end 12 of the row 11 that restricted by the first fag end mount hole 30 and first on counterbalanced weight support 21 is connected, and second fag end 19 of the row 18 that restricted by the second fag end mount hole 31 and second is connected.
Start counterbalanced weight oil cylinder 2, the pipe link of counterbalanced weight oil cylinder 2 stretches out, drive moving pulley bracket 3 parallel motion, and then drive the first movable pulley 4 and the second movable pulley 5 parallel motion, second fag end 19 of the first fag end 12 walking around the first rope row 11 of the first movable pulley 4 and the second rope row 18 walking around the second movable pulley 5 moves up simultaneously, and then drive counterbalanced weight support 21 moves, when end plate 1 symmetrically arranged counterbalanced weight mounting point 22 sustained height of the counterbalanced weight mount hole 29 on counterbalanced weight support 21 with rotating platform of crane two sides of tail, counterbalanced weight support 21 is fixedly connected with counterbalanced weight mounting point 22 by counterbalanced weight mount hole 29, complete the mounting operation of counterbalanced weight.
In above-described embodiment, the actuating device of counterbalanced weight in mounting process is counterbalanced weight oil cylinder 2, stressing device is the first rope row 11 and the second rope row 18, one end of first rope row 11 and the second rope row 18 respectively correspondence is fixed on first volume rope drum 10 and volume Two rope drum 17, and storage one section is wound around on first volume rope drum 10 and volume Two rope drum 17, other end correspondence walk around the first fixed pulley 6 and the second fixed pulley 13 due to gravity effect vertically downward, correspondence is connected with the first fag end 12 and the second fag end 19 respectively, be connected with counterbalanced weight support 21 with the second fag end 19 by the first fag end 12, and promote counterbalanced weight support 21 by the first fag end 12 and the second fag end 19, along with the lifting process of the extension and contraction control counterbalanced weight of counterbalanced weight oil cylinder 2.First guiding roller 9 being installed for locating the angle of the first rope row 11 and the first movable pulley 4, the second guiding roller 16 being installed for locating the angle of the second rope row 18 and the second movable pulley 5, prevent the wearing and tearing of the first rope row 11 and the second rope row 18 from coming off.
Slide device A provided by the invention and adopt the counterbalanced weight hanging device of this slide device A, the position of counterbalanced weight mounting point 22 is determined by the slippage fixed position of the first fixed pulley 6 and the second fixed pulley 13, thus determine the mounting position of counterbalanced weight, reach the object of the distance of the heavy distance of centre of gravity center of gyration of adjustment.There is provided power by counterbalanced weight oil cylinder 2, hoist counterbalanced weight support 21 and counterweight block 28, for the mounting of follow-up counterbalanced weight.By arranging the sliding trajectory of the first slide rail 8 and the second slide rail 15 correspondence constraint the first fixed pulley 6 and the second fixed pulley 13.The the first rope row 11 regulating different counterbalanced weight mounting point 22 place corresponding by adopting first volume rope drum 10 and volume Two rope drum 17 and the length of the second rope row 18.The slippage under the first fixed pulley 6 or the second fixed pulley 13 off working state is controlled by employing elevator stretching device 20.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (14)
1. a slide device, comprise fixed pulley assembly, movable pulley component, rope row assembly, counterbalanced weight oil cylinder, one end of described rope row assembly connects counterbalanced weight support, movable pulley component parallel motion described in described counterbalanced weight hydraulic oil cylinder driving, and then drive described rope row assembly upwards to promote described counterbalanced weight support, mount with rotating platform of crane afterbody; It is characterized in that: it also comprises end plate, rail structure and serving drum assembly, described end plate is arranged on described rotating platform of crane afterbody, and described rail structure, fixed pulley assembly, movable pulley component, rope row assembly, serving drum assembly and counterbalanced weight oil cylinder are all arranged on described end plate;
The other end of described rope row assembly walks around described fixed pulley assembly and described movable pulley component, is finally wrapped on described serving drum assembly, and described serving drum assembly is used for rope row assembly described in folding and unfolding; Described fixed pulley assembly along described rail structure parallel motion, and can be fixed with described rail structure.
2. slide device as claimed in claim 1, it is characterized in that: described rail structure comprises the first slide rail and the second slide rail that be arranged in parallel up and down, in described first slide rail, interval arranges two or more first fixed pulley mounting hole, and in described second slide rail, interval arranges two or more second fixed pulley mounting hole.
3. slide device as claimed in claim 2, it is characterized in that: described fixed pulley assembly comprises the first fixed pulley and the second fixed pulley, described first fixed pulley can be selected to be arranged in arbitrary described first fixed pulley mounting hole; Described second fixed pulley can be selected to be arranged in arbitrary described second fixed pulley mounting hole.
4. slide device as claimed in claim 3, it is characterized in that: described movable pulley component comprises the first movable pulley and the second movable pulley, described first movable pulley and the second movable pulley is upper and lower is arranged on a moving pulley bracket, described moving pulley bracket is fixedly connected with the pipe link of described counterbalanced weight oil cylinder, and described counterbalanced weight oil cylinder is horizontally set on described end plate.
5. slide device as claimed in claim 4, is characterized in that: described rope row assembly comprises the first rope row and the second rope row, and described serving drum assembly comprises first volume rope drum and volume Two rope drum; The vertical connection first in one end fag end of described first rope row, the other end walks around described first fixed pulley straight up, and horizontal direction walks around described first movable pulley, is wrapped on described first volume rope drum; The vertical connection second in one end fag end of described second rope row, the other end walks around described second fixed pulley straight up, and horizontal direction walks around described second movable pulley, is wrapped on described volume Two rope drum.
6. slide device as claimed in claim 5, is characterized in that: described slide device also comprises and is arranged on the first guiding roller on described end plate and the second guiding roller; Described first rope row is by after the bottom guiding of described first guiding roller, and be wrapped on described first volume rope drum, described first guiding roller and described first volume rope drum are all arranged on the top of described first movable pulley; After the top guide of described second rope row by described second guiding roller, be wrapped on described volume Two rope drum, described second guiding roller and described volume Two rope drum are all arranged on the below of described second movable pulley.
7. slide device as claimed in claim 5, is characterized in that: described first row of rope and described second rope row include some groups of steel ropes, often organize steel rope and include some steel ropes, and the described equal correspondence of steel rope of often organizing connects a fag end.
8. slide device as claimed in claim 7, it is characterized in that: described first fixed pulley and described second fixed pulley include some groovings, each described grooving, for being wound around one group of steel rope, described first fixed pulley and described second fixed pulley is provided with sliding and position limitation block.
9. slide device as claimed in claim 7, it is characterized in that: described first movable pulley and described second movable pulley include some groovings, each described grooving is for being wound around one group of steel rope.
10. slide device as claimed in claim 7, it is characterized in that: the both sides of described first volume rope drum and described volume Two rope drum are provided with baffle plate, are provided with some groovings described in both sides between baffle plate, each described grooving is for being wound around one group of steel rope.
11. slide devices as claimed in claim 5, is characterized in that: described first volume rope drum and described volume Two rope drum all adopt its rotation of motor control.
12. 1 kinds of counterbalanced weight hanging devices, comprise counterbalanced weight support, it is characterized in that: it also comprises the slide device as described in any one of claim 1-11, described slide device is symmetricly set on the both sides of rotating platform of crane afterbody, the end plate of described slide device is arranged at intervals with some counterbalanced weight mounting points, and described counterbalanced weight mounting point on the described end plate of described rotating platform of crane two sides of tail is symmetrical between two.
13. counterbalanced weight hanging devices as claimed in claim 12, it is characterized in that: described counterbalanced weight hanging device also comprises elevator stretching device, described elevator stretching device comprises a cylinder, described cylinder both sides are provided with baffle plate, baffle plate described in one of them is provided with handle, described cylinder is wound around elevator stretching steel rope, the end of described elevator stretching steel rope be provided with for the suspension hook of hanging structure hook joint that arranges on described fixed pulley assembly, by rotating described handle, described elevator stretching steel rope is wound around on which cylinder, the gyroscopic movement of described elevator stretching steel rope is become the straight line slipping motion of described fixed pulley assembly.
14. counterbalanced weight hanging devices as claimed in claim 12, it is characterized in that: the bilateral symmetry of described counterbalanced weight support arranges counterweight block, described counterbalanced weight support is also provided with counterbalanced weight mount hole and fag end mount hole, described counterbalanced weight mount hole is for being connected with described counterbalanced weight mounting point symmetrically arranged on the described end plate of described rotating platform of crane two sides of tail, and described fag end mount hole is used for being connected with the described row of rope assembly.
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| CN106194151B (en) * | 2016-07-22 | 2019-05-07 | 中煤科工集团西安研究院有限公司 | Self-balancing type with bit pressure real time monitoring function creeps into drawing mechanism |
| CN107413688B (en) * | 2017-06-10 | 2023-07-21 | 兰州理工大学 | Photovoltaic board dry-type cleaning equipment |
| CN109694010B (en) * | 2017-10-24 | 2020-11-20 | 中冶宝钢技术服务有限公司 | Counterweight lifting method |
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