CN103010973B - Crane and method for extending and retracting auxiliary boom of same - Google Patents
Crane and method for extending and retracting auxiliary boom of same Download PDFInfo
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- CN103010973B CN103010973B CN201210548873.7A CN201210548873A CN103010973B CN 103010973 B CN103010973 B CN 103010973B CN 201210548873 A CN201210548873 A CN 201210548873A CN 103010973 B CN103010973 B CN 103010973B
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Abstract
The invention provides a crane and a method for extending and retracting an auxiliary boom of the same. The crane comprises a main boom, an auxiliary boom and a winding wire rope, wherein the auxiliary boom comprises a storage place, a transition place and a working place; the crane further comprises an auxiliary boom extending-retracting mechanism; the storage place is positioned on one side of the main boom; the transition place is positioned below the main boom; the auxiliary boom is moved from the storage place to the transition place by the auxiliary boom extending-retracting mechanism; the working place is positioned at one end part of the main boom; and after the auxiliary boom is rotated from the transition place to the working place in a luffing plane by the winding wire rope of the crane, the auxiliary boom is fixedly connected with the main boom. In the extending process of the auxiliary boom, the auxiliary boom moves in the luffing plane of the main boom, so that the space required by the extending is reduced and the crane is suitable for an occasion with a small rotation space.
Description
Technical field
The present invention relates to engineering machinery field, more specifically, relate to method of deploying and the recovery method of a kind of hoisting crane and auxiliary thereof.
Background technology
Fig. 1 and Fig. 2 shows the expansion process schematic diagram of the auxiliary of hoisting crane of the prior art.As shown in Figure 1, auxiliary 20, when not using, is stored in deposit position as shown in Figure 1, namely leaves left side or the right side of principal arm 10 in.Wherein, one end near its afterbody of auxiliary 20 adopts set pin can pivotable and being removably connected by the first support 40 and principal arm 10, and one end of its head close of auxiliary 20 is connected with principal arm 10 by folding rack 90.
Please refer to Fig. 2, in the process that auxiliary 20 launches, along with opening of folding rack 90, the head of auxiliary 20 moves to the direction away from principal arm 10 centered by the axis of revolution at the first support 40 place, simultaneously, the afterbody of auxiliary 20 moves to the head 11 of principal arm 10, to make aliging with the side of the head 11 of principal arm 10 of the afterbody of auxiliary 20, and is fixed up by pin that side by alignment.Then, pull out the set pin at the first support 40 place in Fig. 2, then rely on Manual-pushing auxiliary 20 to continue to rotate in the counterclockwise direction, until the another side of the afterbody of auxiliary 20 aligns with the opposite side of the head 11 of principal arm 10, and be fixed up by this opposite side of pin.Like this, just complete the expansion of auxiliary 20, auxiliary 20 is in control position.The removal process of auxiliary 20 is contrary with the process of expansion, no longer describes at this.
But in the process, auxiliary 20 launches in the plane of rotation of hoisting crane, therefore in the process of auxiliary 20 expansion, need larger space, the requirement of narrow and small revolution working space cannot be met.In addition, auxiliary 20 launch and the process that reclaims mainly by manpower, due to auxiliary 20 heavier (the auxiliary heavily about 800Kg of 50t car hosit), thus time and effort consuming, needs more than two people just can complete usually.
The deposit position of auxiliary of the prior art can also above principal arm, but, because the cross section of auxiliary is comparatively large, therefore, the height of vehicle body can be increased, cause the problem of motoring condition car load superelevation.
Summary of the invention
The present invention aims to provide method of deploying and the recovery method of a kind of hoisting crane and auxiliary thereof, needs larger space, cannot meet the requirement of narrow and small revolution working space to solve when prior art auxiliary launches, and the problem that car load height is higher.
For solving the problems of the technologies described above, according to a first aspect of the invention, provide a kind of hoisting crane, hoisting crane comprises principal arm, auxiliary and hoisting rope, and auxiliary comprises deposit position, crossover position and control position, and hoisting crane also comprises auxiliary jack; Deposit position is positioned at the side of principal arm; Crossover position is positioned at the below of principal arm, by auxiliary jack, auxiliary is moved to crossover position from deposit position; Control position is positioned at the end of principal arm, by the hoisting rope of hoisting crane by auxiliary from crossover position after luffing plane internal rotation goes to control position, auxiliary is fixedly connected with principal arm.
Preferably, the afterbody of auxiliary is provided with two connecting portions for being connected with the head of principal arm, and a connecting portion is provided with the first pin-and-hole, another connecting portion is provided with the second pin-and-hole and the 3rd pin-and-hole; Second pin-and-hole and the 3rd pin-and-hole are arranged along the head by auxiliary to the direction of the afterbody of auxiliary.
Preferably, hoisting crane also comprises auxiliary pull bar; At deposit position, auxiliary pull bar is releasably attached on auxiliary; At control position, one end of auxiliary pull bar is connected with the head of auxiliary, and the other end is connected with the head of principal arm.
Preferably, auxiliary jack comprises: the first support, and the relative principal arm of the first support is arranged pivotly, and auxiliary is removably connected with the first support; Driver element, driver element is arranged on the position corresponding with the first support and drives the first support to rotate between deposit position and crossover position.
Preferably, auxiliary jack also comprises the second support, and the second support is fixedly connected with the principal arm of hoisting crane, and the first support and the second spacer support frame ground are arranged, and auxiliary is removably connected with the second support.
Preferably, auxiliary jack also comprises the 3rd support, and the 3rd support is fixedly connected with auxiliary, and auxiliary is connected with the second support pivotly by the 3rd support.
Preferably, auxiliary jack also comprises the 4th support, and the 4th support is fixedly connected with principal arm, and the first end of driver element is connected pivotly with the 4th support, and the first support is connected pivotly with the 4th support.
Preferably, auxiliary jack also comprises stop pin, and the first support and the 4th support are locked by stop pin.
Preferably, auxiliary jack also comprises the 5th support, and the 5th support is fixedly connected with auxiliary, and auxiliary is removably connected with the first support by the 5th support.
Preferably, when auxiliary is positioned at crossover position, the distance between the afterbody of auxiliary and principal arm is less than the distance between the head of auxiliary and principal arm.
Preferably, hoisting crane also comprises the steel rope connecting element for installing hoisting rope be arranged on principal arm.
According to a second aspect of the invention, provide a kind of method of deploying of auxiliary of hoisting crane, comprising: the crossover position auxiliary of hoisting crane being rotated in place the below in principal arm by the deposit position of side of the principal arm being positioned at hoisting crane; The head of the afterbody of auxiliary with the principal arm of hoisting crane is connected pivotly; The free end of the hoisting rope of fixed crane is to hold the head of auxiliary, by making auxiliary be rotated down to free pendant position from crossover position to the rop exercise of putting of hoisting rope, then by auxiliary being rotated upwardly to the rope closing operation of hoisting rope the control position matched with principal arm.
Preferably, the free end of the hoisting rope of fixed crane refers to the free end of the hoisting rope of hoisting crane is directly hooked the steel rope connecting element be arranged on principal arm by the secondary suspension hook of hoisting crane.
Preferably, the free end of the hoisting rope of fixed crane is referred to and is connected with the steel rope connecting element be arranged on principal arm by the secondary suspension hook of hoisting crane, auxiliary steel wire rope successively by the free end of the hoisting rope of hoisting crane.
Preferably, when auxiliary is positioned at control position, be connected with the head of auxiliary by auxiliary pull bar with the head of principal arm.
Preferably, the afterbody of auxiliary is provided with two connecting portions for being connected with the head of principal arm, a connecting portion is provided with the first pin-and-hole, another connecting portion is provided with the second pin-and-hole and the 3rd pin-and-hole; Second pin-and-hole and the 3rd pin-and-hole are arranged along the head by auxiliary to the direction of the afterbody of auxiliary; Being rotated in the process of free pendant position by crossover position by auxiliary, the first pin-and-hole is utilized to be connected with the head of principal arm by two connecting portions with the 3rd pin-and-hole; When auxiliary is positioned at free pendant position, the first pin-and-hole is utilized to be connected with the head of principal arm by two connecting portions with the second pin-and-hole.
Preferably, " by auxiliary being rotated upwardly to the rope closing operation of hoisting rope the control position matched with principal arm " comprising: remove the connection between the secondary suspension hook of hoisting crane and principal arm, carry out rope closing operation with the pulley place making secondary suspension hook be stuck in auxiliary head, then rope closing operation is continued, to make secondary suspension hook by auxiliary pull-up to control position, by auxiliary pull bar, auxiliary and principal arm are coupled together again, with fixing auxiliary.
According to a third aspect of the present invention, provide a kind of recovery method of auxiliary of hoisting crane, comprise: the head of the free end of the hoisting rope of hoisting crane with the auxiliary be fixedly mounted on principal arm is fixed, then make auxiliary and principal arm be in state pivotly, then rop exercise is put to hoisting rope and do to make the head of auxiliary be rotated downwardly to free pendant position by control position; When auxiliary is positioned at free pendant position, the free end of the hoisting rope of hoisting crane is fixed to principal arm after the head of auxiliary is pulled down, rope closing is carried out to hoisting rope and operates the crossover position being positioned at the below of principal arm to make the head of auxiliary be rotated upwardly to; Auxiliary is rotated in place the deposit position of the side in principal arm by crossover position.
Preferably, the afterbody of auxiliary is provided with two connecting portions for being connected with the head of principal arm, a connecting portion is provided with the first pin-and-hole, another connecting portion is provided with the second pin-and-hole and the 3rd pin-and-hole; Second pin-and-hole and the 3rd pin-and-hole are arranged along the head by auxiliary to the direction of the afterbody of auxiliary; Be rotated downwardly in the process of free pendant position by control position at the head of auxiliary, utilize the first pin-and-hole to be connected with the head of principal arm by two connecting portions with the second pin-and-hole; Rotated in the process of crossover position by free pendant position at auxiliary, utilize the first pin-and-hole to be connected with the head of principal arm by two connecting portions with the 3rd pin-and-hole.
Preferably, " put rop exercise to hoisting rope to do to make the head of auxiliary be rotated downwardly to free pendant position by control position " and comprising: remove auxiliary pull bar and be connected with auxiliary and principal arm, make secondary suspension hook be stuck in the pulley place of auxiliary head, then carry out putting rop exercise and do to make secondary suspension hook transfer auxiliary to free pendant position.
In the process that auxiliary launches, because auxiliary is at the luffing move in plane of principal arm, therefore, space required when decreasing expansion, is applicable to the occasion that rotary space is narrow and small.Meanwhile, the auxiliary in the present invention is the side being placed in principal arm at deposit position, therefore, reduces the height of vehicle body, avoids motoring condition car load superelevation, has both met height and the width requirement of car load, and complete vehicle structure can be made again compact, handsome in appearance.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and 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 diagrammatically illustrates the expansion process schematic diagram one of the auxiliary of hoisting crane of the prior art;
Fig. 2 diagrammatically illustrates the expansion process schematic diagram two of the auxiliary of hoisting crane of the prior art;
The auxiliary of the hoisting crane that Fig. 3 diagrammatically illustrates in the present invention is positioned at front view during deposit position;
Fig. 4 diagrammatically illustrates the birds-eye view of Fig. 3;
The auxiliary of the hoisting crane that Fig. 5 diagrammatically illustrates in the present invention is positioned at front view during crossover position;
Fig. 6 diagrammatically illustrates the upward view of Fig. 5;
The auxiliary of the hoisting crane that Fig. 7 diagrammatically illustrates in the present invention is positioned at schematic diagram during control position;
Fig. 8 diagrammatically illustrates the expansion process schematic diagram one of the auxiliary in the present invention;
Fig. 9 diagrammatically illustrates the expansion process schematic diagram two of the auxiliary in the present invention;
Figure 10 diagrammatically illustrates the expansion process schematic diagram three of the auxiliary in the present invention;
Figure 11 diagrammatically illustrates the annexation figure between steel rope connecting element in the present invention and principal arm;
Figure 12 diagrammatically illustrates the partial schematic diagram of the auxiliary in the present invention;
Figure 13 auxiliary jack diagrammatically illustrated in the present invention is in schematic diagram during deposit position;
Figure 14 auxiliary jack diagrammatically illustrated in the present invention is in schematic diagram during crossover position;
Figure 15 diagrammatically illustrates the schematic diagram of Figure 13; And
Figure 16 diagrammatically illustrates auxiliary is turned to Figure 14 process schematic by Figure 13.
Reference numeral in figure: 10, principal arm; 11, head; 12, connecting portion; 13, the first pin-and-hole; 14, the second pin-and-hole; 15, the 3rd pin-and-hole; 20, auxiliary; 30, hoisting rope; 40, the first support; 50, auxiliary jack; 51, the first support; 52, driver element; 53, the second support; 54, the 3rd support; 55, the 4th support; 56, stop pin; 57, the 5th support; 60, steel rope connecting element; 70, auxiliary pull bar; 80, secondary suspension hook; 90, folding rack; 91, the first pin; 92, the second pin; 110, auxiliary steel wire rope.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As a first aspect of the present invention, provide a kind of hoisting crane, as shown in Fig. 3 to Fig. 7, hoisting crane comprises principal arm 10, auxiliary 20 and hoisting rope 30.Auxiliary 20 comprises deposit position (please refer to Fig. 3 and Fig. 4), crossover position (please refer to Fig. 5 and Fig. 6) and control position (please refer to Fig. 7), and hoisting crane also comprises auxiliary jack 50.Wherein, please refer to Fig. 3 and Fig. 4, deposit position is positioned at the side of principal arm 10.Please refer to Fig. 5 and Fig. 6, crossover position is positioned at the below of principal arm 10, auxiliary 20 can be moved to crossover position from deposit position by auxiliary jack 50.Please refer to Fig. 7, control position is positioned at the end of principal arm 10, by the hoisting rope 30 of hoisting crane can by auxiliary 20 from crossover position after luffing plane internal rotation goes to control position, auxiliary 20 is fixedly connected with principal arm 10.
As shown in Fig. 8 to Figure 10, be transformed in the process of control position by crossover position, the afterbody of auxiliary 20 is connected pivotly with the head 11 of principal arm 10, be fixedly connected with principal arm 10 after the free end of hoisting rope 30 walks around the afterbody of auxiliary 20 and the pulley of the head of auxiliary 20 successively, with by making auxiliary 20 be rotated down to the free pendant position shown in Fig. 9 by crossover position to the rop exercise of putting of hoisting rope 30; Then, unclamp the free end of hoisting rope 30 and being fixedly connected with of principal arm 10, rope closing is connected with the head detouchable of auxiliary 20 to make the free end of hoisting rope 30 again, to rotate the control position to matching with principal arm 10 by upwards being mentioned by auxiliary 20 the rope closing operation of hoisting rope 30.Preferably, hoisting rope 30 is secondary hoisting ropes of hoisting crane.
As shown in Figure 6, when crossover position, the axis of auxiliary 20 is arranged obliquely relative to the axis of principal arm 10, thus the afterbody of auxiliary 20 can be made to be positioned at the head opposite position with principal arm 10, the two is convenient to couple together, thus by auxiliary 20 by transforming to control position.Especially, the afterbody of auxiliary 20 is positioned at the below of the head 11 of principal arm 10, and the below of the head bias principal arm 10 of auxiliary 20 and protrude from the side of principal arm 10, the position characteristics facilitating the use secondary hoisting rope operates auxiliary 20.
With reference to figure 8 to Figure 10, by means of hoisting rope 30, auxiliary 20 crossover position as shown in Figure 8 can be rotated down to free pendant position as shown in Figure 9, and be rotated upwardly to the position shown in Figure 10 further, control position shown in final arrival Fig. 7, thus achieve the expansion of auxiliary 20.In the process that auxiliary 20 launches, because auxiliary 20 is at the luffing move in plane of principal arm 10, therefore, space required when decreasing expansion, is applicable to the occasion that rotary space is narrow and small.In addition, in the process launched, owing to by means of hoisting rope 30, therefore save manpower, improve degree of automation during expansion, have structure simple, easy to operate, feature that efficiency is high.In addition, the auxiliary in the present invention is the side (such as, left side or right side etc.) being placed in principal arm at deposit position, therefore, reduce the height of vehicle body, avoid motoring condition car load superelevation, both met height and the width requirement of car load, complete vehicle structure can be made again compact, handsome in appearance.
Preferably, as shown in Figure 8 and Figure 11, hoisting crane also comprises the steel rope connecting element 60 for installing hoisting rope 30 be arranged on principal arm 10.In the expansion of auxiliary 20 and the process of recovery, when hoisting rope 30 is fixed with principal arm 10 by needs, steel rope connecting element 60 pairs of hoisting ropes 30 can be utilized to be fixed.When needing the fixed position changing hoisting rope 30, it can be removed from steel rope connecting element 60, and being reattached to new fixed position.Preferably, steel rope connecting element 60 has crossbeam and cant beam, wherein, one end of crossbeam and one end of cant beam are respectively (preferably, pass through substrate) be connected with the side of principal arm 10, the other end of crossbeam and the other end of cant beam are interconnected, and to form triangular structure, thus support for fixedly the providing good of hoisting rope 30 and failure-free.
Preferably, as shown in figure 12, the afterbody of auxiliary 20 is provided with on two connecting portions, 12, the connecting portion 12 for being connected with the head 11 of principal arm and is provided with the first pin-and-hole 13, another connecting portion 12 is provided with the second pin-and-hole 14 and the 3rd pin-and-hole 15.Second pin-and-hole 14 and the 3rd pin-and-hole 15 are arranged along the head by auxiliary 20 to the direction of the afterbody of auxiliary 20.Preferably, connecting portion 12 is U-shaped forks.The head 11 of principal arm 10 be provided with these two connecting portion 12(particularly U-shaped pitch) protrusion that is connected (such as, protrusion can be placed on the opening part of U-shaped fork), like this, when inserting the first pin 91 and the second pin 92 respectively in the first pin-and-hole 13 and the second pin-and-hole 14 or the first pin-and-hole 13 and the 3rd pin-and-hole 15, just the afterbody of auxiliary 20 can be connected pivotly with the head 11 of principal arm 10.Please refer to Fig. 6, because auxiliary 20 is placed relative to principal arm 10 obliquely when deposit position, therefore, in the process that auxiliary 20 launches, need first to use the first pin-and-hole 13 and the 3rd pin-and-hole 15, so just can be connected between auxiliary 20 with principal arm 10 pivotly easily.When auxiliary 20 arrives free pendant position, the effect that auxiliary 20 is conducted oneself with dignity at it is issued to state of equilibrium, thus make the second pin-and-hole 14 be positioned at the top of the protrusion on the head 11 of principal arm 10, now, second pin 92 can be extracted from the 3rd pin-and-hole 15 and insert in the second pin-and-hole 14, to realize fixing the final of auxiliary 20.
Incorporated by reference to Fig. 7, preferably, hoisting crane also comprises auxiliary pull bar 70; At deposit position, auxiliary pull bar 70 is releasably attached on auxiliary 20; At control position, one end of auxiliary pull bar 70 is connected with the head of auxiliary 20, and the other end is connected with the head of principal arm 10.When not needing to use auxiliary pull bar 70, can be fixed to easily on auxiliary 20, bringing great convenience to installation and transport.
Preferably, please refer to Figure 13 to Figure 16, auxiliary jack 50 comprises: the first support 51 and driver element 52.Wherein, the first support 51 relatively principal arm 10 is arranged pivotly, and auxiliary 20 is removably connected with the first support 51; Driver element 52 is arranged on the position corresponding with the first support 51 and drives the first support 51 to rotate between deposit position and crossover position.Therefore, when driver element 52 stretches, just auxiliary 20 can be moved between deposit position and crossover position.Certainly, auxiliary jack 50 also can adopt other version, as long as auxiliary 20 can be made to carry out moving between deposit position and crossover position.Because auxiliary cross section is comparatively large, after adopting the auxiliary jack in the present invention, auxiliary is accommodated in left side or right side (i.e. the deposit position) of principal arm when not using, therefore can by car load about height reduction 300mm.
Preferably, auxiliary jack 50 also comprises the second support 53, second support 53 and is fixedly connected with the principal arm 10 of hoisting crane, and the first support 51 and the second support 53 compartment of terrain are arranged, and auxiliary 20 is removably connected with the second support 53.Auxiliary 20, when storage configuration, is fixed to left side or the right side of principal arm 10 by the first support 51, second support 53 and driver element 52.
Preferably, driver element 52 is oil cylinder or cylinder, like this, by the fore and aft motion of oil cylinder or cylinder, just auxiliary 20 can be turned to corresponding station.Meanwhile, utilize the simple locking that driver element 52 can also realize auxiliary 20, rotate under the state do not used to avoid auxiliary 20.Preferably, when auxiliary 20 is positioned at crossover position, the distance between the afterbody of auxiliary 20 and principal arm 10 is less than the distance between the head of auxiliary 20 and principal arm 10, so that use secondary hoisting rope to hold the head of auxiliary 20, to carry out the operations such as expansion.
Please refer to Figure 13 to Figure 16, under the effect of driver element 52, auxiliary 20 can rotate to the crossover position shown in Figure 14 by deposit position as shown in Figure 13.When the crossover position shown in Figure 14, auxiliary 20 is positioned at the below of principal arm 10, so just, the afterbody of auxiliary 20 can be connected with the head 11 of principal arm 10, then the secondary hoisting rope of hoisting crane is passed the head 11 of principal arm 10 and the head of auxiliary 20 successively, and be fixed on principal arm 10 by the free end of secondary hoisting rope, then other untiing between auxiliary 20 with principal arm 10 except head 11 is connected.Like this, secondary hoisting rope makes the head can holding auxiliary 20, so, under the effect of its deadweight, its head can be rotated to the direction away from principal arm 10, and arrives the free pendant position shown in Fig. 9 at auxiliary 20.Then, just can remove the connection between secondary hoisting rope and principal arm, and the head of secondary hoisting rope with auxiliary 20 is fixedly connected with, operate to utilize the rope closing of secondary hoisting rope and auxiliary 20 is upwards rotated, and the control position of final arrival shown in Fig. 7, to complete whole expansion process.When not needing to use auxiliary, by contrary process, auxiliary can be recovered to left side or the right side of principal arm, no longer describe at this.
Preferably, as Figure 16, auxiliary jack 50 also comprises the 3rd support the 54, three support 54 and is fixedly connected with auxiliary 20, and auxiliary 20 is connected with the second support 53 pivotly by the 3rd support 54.
Preferably, as Figure 13 and Figure 14, auxiliary jack 50 also comprises the 4th support the 55, four support 55 and is fixedly connected with principal arm 10, and the first end of driver element 52 is connected pivotly with the 4th support 55, and the first support 51 is connected pivotly with the 4th support 55.4th support 55 can be welded or be fixed on principal arm 10 by the mode of assembling, like this, not needing to carry out special design to principal arm 10, thus reduce cost, make the present invention can carry out upgrading to existing hoisting crane.
Preferably, auxiliary jack 50 also comprises the 5th support the 57, five support 57 and is fixedly connected with auxiliary 20, and auxiliary 20 is removably connected with the first support 51 by the 5th support 57.Owing to employing the 5th support 57 and the 3rd support 54, do not need to carry out special design to auxiliary, thus reduce cost, make the present invention can carry out upgrading to existing hoisting crane.
Preferably, auxiliary jack 50 also comprises stop pin 56, and the first support 51 and the 4th support 55 are locked by stop pin 56, to play better locking effect.When not needing to use auxiliary 20, by driver element 52, auxiliary 20 can be rotated upwardly to deposit position as shown in fig. 13 that by the crossover position of Figure 14, in this case, stop pin 56 can be used to lock, the first support 51 and the 4th support 55 with the rotation preventing auxiliary 20 from meeting accident.When needs launch auxiliary 20, extract stop pin 56, like this, just drive auxiliary 20 to rotate by driver element 52.
Below in conjunction with Figure 13 to Figure 16, the working process of the auxiliary jack in the present invention and principle of work are described in detail.
As shown in Figure 13 and Figure 15, driver element 52 can rotate relative to the 4th support 55 around the first pivotal point A, driver element 52 can rotate relative to the first support 51 around the second pivotal point B, first support 51 can rotate relative to the 4th support 55 around the 3rd pivotal point C, and auxiliary 20 is connected with the first support 51 by attachment point D.So the annexation in Figure 13 can be reduced to the four-bar linkage shown in Figure 15.Wherein, the b in Figure 15 can be regarded as driver element 52.It will be understood by those skilled in the art that the elongating or shortening of length along with b, the position of attachment point D can be made to change, the position of auxiliary 20 also just can be made to change.
Please refer to shown in Figure 13 and Figure 14, when needs launch auxiliary 20, first stop pin 56 is extracted to remove the locking to auxiliary 20.Please refer to Figure 16, auxiliary 20 can rotate relative to the second support 53 around the 4th pivotal point E, and the 4th pivotal point E is coaxial with the 3rd pivotal point C.Like this, after driver element 52 extends, just auxiliary 20 position as shown in Figure 13 can be rotated to the position shown in Figure 14, to carry out follow-up expansion operation.
Preferably, hoisting crane also comprises the steel rope connecting element 60 for installing hoisting rope 30 be arranged on principal arm 10.
On the basis of above-described embodiment, as a second aspect of the present invention, please refer to Fig. 3 to Figure 10, provide a kind of method of deploying of auxiliary of hoisting crane.As shown in Figure 3 to Figure 4, auxiliary 20 is arranged on the deposit position of the side of the principal arm 10 of hoisting crane.This method of deploying comprises: the crossover position auxiliary 20 of hoisting crane being rotated in place the below in principal arm 10 by the deposit position of side of the principal arm 10 being positioned at hoisting crane; The head 11 of the afterbody of auxiliary 20 with the principal arm 10 of hoisting crane is connected pivotly; The free end of the hoisting rope 30 of fixed crane is to hold the head (please refer to Fig. 8) of auxiliary 20, by making auxiliary 20 be rotated down to free pendant position (please refer to Fig. 9) from crossover position to the rop exercise of putting of hoisting rope 30, then by auxiliary 20 being rotated upwardly to the rope closing operation of hoisting rope 30 control position (please refer to Fig. 7 and Figure 10) matched with principal arm 10.Preferably, as shown in Figure 7, this method of deploying also comprises: when auxiliary 20 is positioned at control position, is connected with the head of auxiliary 20 with the head of principal arm 10 by auxiliary pull bar 70.Preferably, in the process that auxiliary 20 launches, principal arm 10 can be adjusted to certain elevation angle (such as 60 degree).
Please refer to Fig. 3 to Figure 10, by means of hoisting rope 30, auxiliary 20 can be rotated down to free pendant position as shown in Figure 9 by crossover position, and be rotated upwardly to the position shown in Figure 10 further, control position shown in final arrival Fig. 7, thus achieve the expansion of auxiliary 20.In the process that auxiliary 20 launches, because auxiliary 20 is at the luffing move in plane of principal arm 10, therefore, space required when decreasing expansion, is applicable to the occasion that rotary space is narrow and small.In addition, in the process launched, owing to by means of hoisting rope 30, therefore save manpower, improve degree of automation during expansion, have structure simple, easy to operate, feature that efficiency is high.
Preferably, in the embodiment shown in fig. 8, the free end of the hoisting rope 30 of fixed crane can be referred to and is connected with the steel rope connecting element 60 be arranged on principal arm 10 by the secondary suspension hook 80 of hoisting crane, auxiliary steel wire rope 110 successively by the free end of the hoisting rope 30 of hoisting crane.In the embodiment that another is not shown, the free end of the hoisting rope 30 of fixed crane can also refer to the free end of the hoisting rope 30 of hoisting crane is directly hooked the steel rope connecting element 60 be arranged on principal arm 10 by the secondary suspension hook 80 of hoisting crane.
Please refer to Figure 12, two connecting portions, 12, connecting portion 12 that the afterbody of auxiliary 20 is provided with for being connected with the head 11 of principal arm 10 being provided with the first pin-and-hole 13, another connecting portion 12 being provided with the second pin-and-hole 14 and the 3rd pin-and-hole 15; Second pin-and-hole 14 and the 3rd pin-and-hole 15 are arranged along the head by auxiliary 20 to the direction of the afterbody of auxiliary 20.Being rotated in the process of free pendant position by crossover position by auxiliary 20, the first pin-and-hole 13 is utilized to be connected with the head 11 of principal arm 10 by two connecting portions 12 with the 3rd pin-and-hole 15.When auxiliary 20 is positioned at free pendant position, the first pin-and-hole 13 is utilized to be connected with the head 11 of principal arm 10 by two connecting portions 12 with the second pin-and-hole 14.
Refer again to Fig. 6, because auxiliary 20 is placed relative to principal arm obliquely when crossover position, therefore, in the process that auxiliary 20 launches, need first to use the first pin-and-hole 13 and the 3rd pin-and-hole 15, so just can be connected between auxiliary 20 with principal arm 10 pivotly easily.When auxiliary 20 arrives free pendant position, the effect that auxiliary 20 is conducted oneself with dignity at it is issued to state of equilibrium, thus make the second pin-and-hole 14 be positioned at the top of the protrusion on the head 11 of principal arm 10, now, second pin 92 can be extracted from the 3rd pin-and-hole 15 and insert in the second pin-and-hole 14, to realize fixing the final of auxiliary 20.
Preferably, " by auxiliary 20 being rotated upwardly to the rope closing operation of hoisting rope 30 control position matched with principal arm 10 " comprising: remove the connection between the secondary suspension hook 30 of hoisting crane and principal arm 10, carry out rope closing operation with the pulley place making secondary suspension hook 30 be stuck in auxiliary 20 head, then rope closing operation is continued, to make secondary suspension hook 30 by auxiliary 20 pull-up to control position, by auxiliary pull bar 70, auxiliary 20 and principal arm 10 are coupled together again, with fixing auxiliary 20.
On the basis of the various embodiments described above, as a third aspect of the present invention, provide a kind of recovery method of auxiliary of hoisting crane.The removal process of auxiliary 20 is contrary with expansion process, can please refer to Fig. 3 to Figure 10.This recovery method comprises: fixed by the head of the free end of the hoisting rope 30 of hoisting crane with the auxiliary 20 be fixedly mounted on principal arm 10, then make auxiliary 20 and principal arm 10 be in state pivotly, then rop exercise is put to hoisting rope 30 and do to make the head of auxiliary 20 be rotated downwardly to free pendant position by control position.When auxiliary 20 is positioned at free pendant position, the free end of the hoisting rope 30 of hoisting crane is fixed to principal arm 10 after the head of auxiliary 20 is pulled down, rope closing is carried out to hoisting rope 30 and operates the crossover position being positioned at the below of principal arm 10 to make the head of auxiliary 20 be rotated upwardly to; Then, auxiliary 20 is rotated in place the deposit position of the side in principal arm 10 by crossover position.
By means of hoisting rope 30, auxiliary 20 control position as shown in Figure 7 can be rotated downwardly to the free pendant position shown in Fig. 9, and be rotated upwardly to the crossover position shown in Fig. 8 further.In the process that auxiliary 20 reclaims, because auxiliary 20 is at the luffing move in plane of principal arm 10, therefore, space required when decreasing recovery, is applicable to the occasion that rotary space is narrow and small.In addition, in the process reclaimed, owing to by means of hoisting rope 30, therefore save manpower, improve degree of automation during recovery, have structure simple, easy to operate, feature that efficiency is high.
Preferably, two connecting portions, 12, connecting portion 12 that the afterbody of auxiliary 20 is provided with for being connected with the head 11 of principal arm being provided with the first pin-and-hole 13, another connecting portion 12 being provided with the second pin-and-hole 14 and the 3rd pin-and-hole 15; Second pin-and-hole 14 and the 3rd pin-and-hole 15 are arranged along the head by auxiliary 20 to the direction of the afterbody of auxiliary 20.Be rotated downwardly in the process of free pendant position by control position at the head of auxiliary 20, utilize the first pin-and-hole 13 to be connected with the head 11 of principal arm 10 by two connecting portions 12 with the second pin-and-hole 14.When being positioned at free pendant position, the second pin 92 can being removed in the second pin-and-hole 14, and being installed in the 3rd pin-and-hole 15.Rotated in the process of crossover position by free pendant position at auxiliary 20, the first pin-and-hole 13 is utilized to be connected with the head 11 of principal arm 10 by two connecting portions 12 with the 3rd pin-and-hole 15, in the process, owing to have employed the 3rd pin-and-hole 15, therefore, can by the head of auxiliary 20 to the direction motion departing from principal arm 10, thus auxiliary 20 be finally made to be returned to crossover position.
Preferably, " put rop exercise to hoisting rope 30 to do to make the head of auxiliary 20 be rotated downwardly to free pendant position by control position " and comprising: remove auxiliary pull bar 70 and be connected with auxiliary 20 and principal arm 10, make secondary suspension hook 30 be stuck in the pulley place of auxiliary 20 head, then carry out putting rop exercise and do to make secondary suspension hook 30 transfer auxiliary 20 to free pendant position.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a hoisting crane, described hoisting crane comprises principal arm (10), auxiliary (20) and hoisting rope (30), it is characterized in that, described auxiliary (20) comprises deposit position, crossover position and control position, and described hoisting crane also comprises auxiliary jack (50);
Described deposit position is positioned at the side of described principal arm (10);
Described crossover position is positioned at the below of described principal arm (10), by described auxiliary jack (50), described auxiliary (20) is moved to described crossover position from described deposit position;
Described control position is positioned at the end of described principal arm (10), by the hoisting rope (30) of described hoisting crane by described auxiliary (20) from described crossover position after luffing plane internal rotation goes to described control position, described auxiliary (20) is fixedly connected with described principal arm (10);
Described hoisting crane also comprises the steel rope connecting element (60) for installing described hoisting rope (30) be arranged on described principal arm (10), in the expansion of described auxiliary (20) and the process of recovery, when needs are by time fixing to described hoisting rope (30) and described principal arm (10), described steel rope connecting element (60) is utilized to be fixed described hoisting rope (30), described steel rope connecting element (60) has crossbeam and cant beam, wherein, one end of described crossbeam is connected respectively by the side of substrate with described principal arm (10) with one end of described cant beam, the other end of described crossbeam and the other end of described cant beam are interconnected, to form triangular structure.
2. hoisting crane according to claim 1, it is characterized in that, the afterbody of described auxiliary (20) is provided with two connecting portions (12) for being connected with the head (11) of described principal arm, a described connecting portion (12) is provided with the first pin-and-hole (13), connecting portion described in another (12) is provided with the second pin-and-hole (14) and the 3rd pin-and-hole (15); Described second pin-and-hole (14) and the 3rd pin-and-hole (15) are arranged along the head by described auxiliary (20) to the direction of the afterbody of described auxiliary (20).
3. hoisting crane according to claim 2, is characterized in that, described hoisting crane also comprises auxiliary pull bar (70); At described deposit position, described auxiliary pull bar (70) is releasably attached on described auxiliary (20); At described control position, one end of described auxiliary pull bar (70) is connected with the head of described auxiliary (20), and the other end is connected with the head of described principal arm (10).
4. hoisting crane according to any one of claim 1 to 3, is characterized in that, described auxiliary jack (50) comprising:
First support (51), the relatively described principal arm (10) of described first support (51) is arranged pivotly, and described auxiliary (20) is removably connected with described first support (51);
Driver element (52), described driver element (52) is arranged on the position corresponding with described first support (51) and drives described first support (51) to rotate between described deposit position and described crossover position.
5. hoisting crane according to claim 4, it is characterized in that, described auxiliary jack (50) also comprises the second support (53), described second support (53) is fixedly connected with the principal arm (10) of described hoisting crane, described first support (51) and described second support (53) compartment of terrain are arranged, and described auxiliary (20) is removably connected with described second support (53).
6. hoisting crane according to claim 5, it is characterized in that, described auxiliary jack (50) also comprises the 3rd support (54), described 3rd support (54) is fixedly connected with described auxiliary (20), and described auxiliary (20) is connected with described second support (53) pivotly by described 3rd support (54).
7. hoisting crane according to claim 4, it is characterized in that, described auxiliary jack (50) also comprises the 4th support (55), described 4th support (55) is fixedly connected with described principal arm (10), the first end of described driver element (52) is connected pivotly with described 4th support (55), and described first support (51) is connected pivotly with described 4th support (55).
8. hoisting crane according to claim 7, it is characterized in that, described auxiliary jack (50) also comprises stop pin (56), and described first support (51) and described 4th support (55) are locked by described stop pin (56).
9. hoisting crane according to claim 4, it is characterized in that, described auxiliary jack (50) also comprises the 5th support (57), described 5th support (57) is fixedly connected with described auxiliary (20), and described auxiliary (20) is removably connected with described first support (51) by described 5th support (57).
10. hoisting crane according to claim 1, it is characterized in that, when described auxiliary (20) is positioned at described crossover position, the distance between the afterbody of described auxiliary (20) and described principal arm (10) is less than the distance between the head of described auxiliary (20) and described principal arm (10).
11. hoisting cranes according to claim 1, is characterized in that, described hoisting crane also comprises the steel rope connecting element (60) for installing described hoisting rope (30) be arranged on described principal arm (10).
The method of deploying of the auxiliary of the hoisting crane according to any one of 12. 1 kinds of claims 1 to 11, is characterized in that, comprising:
The auxiliary (20) of described hoisting crane is rotated in place the crossover position of the below in described principal arm (10) by the deposit position of side of the principal arm (10) being positioned at described hoisting crane;
The head (11) of the afterbody of described auxiliary (20) with the principal arm (10) of described hoisting crane is connected pivotly;
The free end of the hoisting rope (30) of fixing described hoisting crane in described steel rope connecting element (60) to hold the head of described auxiliary (20), by making described auxiliary (20) be rotated down to free pendant position from described crossover position to the rop exercise of putting of described hoisting rope (30), then by described auxiliary (20) being rotated upwardly to the rope closing operation of described hoisting rope (30) control position matched with described principal arm (10).
13. method of deploying according to claim 12, it is characterized in that, the free end of the hoisting rope (30) of fixing described hoisting crane refers to and the free end of the hoisting rope of described hoisting crane (30) is directly hooked by the secondary suspension hook (80) of described hoisting crane the steel rope connecting element (60) be arranged on described principal arm (10).
14. method of deploying according to claim 12, it is characterized in that, the free end of the hoisting rope (30) of fixing described hoisting crane is referred to and is connected with the steel rope connecting element (60) be arranged on described principal arm (10) by the secondary suspension hook (80) of described hoisting crane, auxiliary steel wire rope (110) successively by the free end of the hoisting rope of described hoisting crane (30).
15. method of deploying according to claim 12, it is characterized in that, when described auxiliary (20) is positioned at described control position, be connected with the head of described auxiliary (20) by auxiliary pull bar (70) with the head of described principal arm (10).
16. method of deploying according to claim 12, it is characterized in that, the afterbody of described auxiliary (20) is provided with two connecting portions (12) for being connected with the head (11) of described principal arm (10), a described connecting portion (12) is provided with the first pin-and-hole (13), connecting portion described in another (12) is provided with the second pin-and-hole (14) and the 3rd pin-and-hole (15); Described second pin-and-hole (14) and the 3rd pin-and-hole (15) are arranged along the head by described auxiliary (20) to the direction of the afterbody of described auxiliary (20);
Being rotated in the process of described free pendant position by described crossover position by described auxiliary (20), described first pin-and-hole (13) is utilized described two connecting portions (12) to be connected with the head (11) of described principal arm (10) with described 3rd pin-and-hole (15);
When described auxiliary (20) is positioned at described free pendant position, described first pin-and-hole (13) is utilized described two connecting portions (12) to be connected with the head (11) of described principal arm (10) with described second pin-and-hole (14).
17. method of deploying according to claim 12, it is characterized in that, described " by described auxiliary (20) being rotated upwardly to the rope closing operation of described hoisting rope (30) control position matched with described principal arm (10) " comprising: remove the connection between the secondary suspension hook (30) of described hoisting crane and principal arm (10), carry out rope closing operation to make described secondary suspension hook (30) be stuck in the pulley place of described auxiliary (20) head, then rope closing operation is continued, to make described secondary suspension hook (30) by described auxiliary (20) pull-up to control position, by auxiliary pull bar (70), described auxiliary (20) and principal arm (10) are coupled together again, with fixing described auxiliary (20).
The recovery method of the auxiliary of the hoisting crane according to any one of 18. 1 kinds of claims 1 to 11, is characterized in that, comprising:
The head of the free end of the hoisting rope (30) of described hoisting crane with the described auxiliary (20) be fixedly mounted on described principal arm (10) is fixed, then make described auxiliary (20) and described principal arm (10) be in state pivotly, then rop exercise is put to described hoisting rope (30) and do to make the head of described auxiliary (20) be rotated downwardly to free pendant position by control position;
When described auxiliary (20) is positioned at described free pendant position, by the free end of the hoisting rope (30) of described hoisting crane from the described steel rope connecting element (60) be fixed to after the head of described auxiliary (20) is pulled down described principal arm (10), rope closing operation to be positioned at the below of described principal arm (10) crossover position to make the head of described auxiliary (20) be rotated upwardly to is carried out to described hoisting rope (30);
Described auxiliary (20) is rotated in place the deposit position of the side in described principal arm (10) by described crossover position.
19. recovery methods according to claim 18, it is characterized in that, the afterbody of described auxiliary (20) is provided with two connecting portions (12) for being connected with the head (11) of described principal arm, a described connecting portion (12) is provided with the first pin-and-hole (13), connecting portion described in another (12) is provided with the second pin-and-hole (14) and the 3rd pin-and-hole (15); Described second pin-and-hole (14) and the 3rd pin-and-hole (15) are arranged along the head by described auxiliary (20) to the direction of the afterbody of described auxiliary (20);
Be rotated downwardly in the process of described free pendant position by described control position at the head of described auxiliary (20), utilize described first pin-and-hole (13) described two connecting portions (12) to be connected with the head (11) of described principal arm (10) with described second pin-and-hole (14);
Rotated in the process of described crossover position by described free pendant position at described auxiliary (20), utilize described first pin-and-hole (13) described two connecting portions (12) to be connected with the head (11) of described principal arm (10) with described 3rd pin-and-hole (15).
20. recovery methods according to claim 18, it is characterized in that, described " putting rop exercise to described hoisting rope (30) to do to make the head of described auxiliary (20) be rotated downwardly to free pendant position by control position " comprising: remove auxiliary pull bar (70) and be connected with described auxiliary (20) and principal arm (10), make described secondary suspension hook (30) be stuck in the pulley place of described auxiliary (20) head, then carry out putting rop exercise and do to make described secondary suspension hook (30) transfer described auxiliary (20) to free pendant position.
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| CN201210548873.7A CN103010973B (en) | 2012-12-17 | 2012-12-17 | Crane and method for extending and retracting auxiliary boom of same |
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| CN201210548873.7A CN103010973B (en) | 2012-12-17 | 2012-12-17 | Crane and method for extending and retracting auxiliary boom of same |
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| CN103010973B true CN103010973B (en) | 2015-04-01 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626052B (en) * | 2013-12-02 | 2015-06-17 | 广西大学 | Two-degree-of-freedom translational type crane auxiliary arm mounting device |
| CN103754776A (en) * | 2013-12-31 | 2014-04-30 | 三一汽车起重机械有限公司 | Fly jib self-dismounting mechanism, crane, and fly jib control method |
| CN104340882B (en) * | 2014-09-25 | 2016-12-07 | 中联重科股份有限公司 | Foldable arm rack and crane |
| CN105084232B (en) * | 2015-07-31 | 2017-05-03 | 徐州重型机械有限公司 | Crane jib, crane and crane jib recycling method |
| CN105366560B (en) * | 2015-11-02 | 2017-08-08 | 武汉船用机械有限责任公司 | The arm component and ship loop wheel machine of a kind of ship loop wheel machine |
| CN105565146B (en) * | 2015-11-24 | 2018-10-02 | 徐州重型机械有限公司 | Suspension hook holding structure, crane and suspension hook fixing means |
| CN105460806A (en) * | 2015-12-24 | 2016-04-06 | 徐州重型机械有限公司 | Novel jig and rear supporting frame combined mechanism |
| US10589966B2 (en) * | 2017-03-02 | 2020-03-17 | Manitowoc Crane Companies, Llc | Jib coupling system for jib stowage |
| CN110304556B (en) * | 2019-06-20 | 2020-06-30 | 四川长江工程起重机有限责任公司 | Self-loading and unloading type auxiliary arm mounting mechanism of automobile crane |
| CN112225092B (en) * | 2020-12-15 | 2021-08-24 | 新乡市奔象机械设备有限公司 | Self-loading and unloading type auxiliary arm mounting mechanism of automobile crane |
| EP4299502A1 (en) * | 2021-02-23 | 2024-01-03 | Xuzhou Heavy Machinery Co., Ltd. | Jib, crane, jib unfolding method, and jib retraction method |
| CN113023586B (en) * | 2021-03-29 | 2024-06-07 | 徐州重型机械有限公司 | Bracket in auxiliary arm and engineering vehicle |
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| JP2834410B2 (en) * | 1994-09-06 | 1998-12-09 | 株式会社神戸製鋼所 | Jib overhang and storage device for wheel crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688757B2 (en) * | 1984-06-13 | 1994-11-09 | 株式会社加藤製作所 | Jib retractor for vehicle-type crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2834410B2 (en) * | 1994-09-06 | 1998-12-09 | 株式会社神戸製鋼所 | Jib overhang and storage device for wheel crane |
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