CN1103378A - Apparatus and method for assembly of arm of crane - Google Patents
Apparatus and method for assembly of arm of crane Download PDFInfo
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- CN1103378A CN1103378A CN94106721.1A CN94106721A CN1103378A CN 1103378 A CN1103378 A CN 1103378A CN 94106721 A CN94106721 A CN 94106721A CN 1103378 A CN1103378 A CN 1103378A
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- arm
- pull bar
- lifting
- lifting arm
- tower crane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
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- Structural Engineering (AREA)
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- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the mounting of the working jib and of the associated counterbalancing jib of tower cranes, used on building and civil engineering work construction sites. The jib elements are aligned and assembled on the ground with their stay, then the jib stay and are lifted up and aligned with the aid of an auxiliary item of mounting plant. Next, using the same item of plant, the whole of the jib or of the counterbalancing jib together with its stay lifted up and aligned is raised and is offered up facing the top of the tower so that the free ends of the stays are offered up correctly to the very top of the head of the tower to allow direct connection. This method improves safety, and it decreases the duration for which the auxiliary item of mounting plant is immobile.
Description
What the present invention relates to is the device and the corresponding installation method of an installation tower crane arm.Spy of the present invention is used for the tower crane lifting arm on building construction or the public work building site and supports the installation of the equilibrium arm of counterweight.
Its cross-sectional plane of the lifting arm of this tower crane generally is an equicrural triangle, and drift angle is gone up stringer facing to one on it, and its two following base angles are facing to two following stringers, and they constitute the slide rail of lifting dolly.This lifting arm generally is made up of the truss that some are connected in series, between each truss by being connected in the bearing pin bindiny mechanism of last stringer with following stringer end.A pull bar is arranged on the lifting arm, pull bar is connected mutually by many rod members and is constituted, use the bearing pin perpendicular to face in the lifting arm to link together between the bar, the front end of pull bar stringer place and lifting arm on a truss of lifting arm is hinged, and the pivotally attached bearing pin is vertical with face in the lifting arm.
The installation of this lifting arm generally is performed such:
Each truss of lifting arm and pull bar assemble on the ground, and pull bar is placed on the stringer towards the lifting arm root is suitable.Load onto hoist cable then,,, lifting arm is hung the bearing pin bindiny mechanism place that is in cat head or capstan head front portion as removable crane with an auxiliary lifting appliance.
A kind of installation method is to play motionless by auxiliary lifting appliance lifting arm, and between the free end of pull bar and the installation site on the cat head, pulley mechanism is set, by the free end of steel rope on the winch pulling pulley, up to pull bar being fixed on cat head with bearing pin.
The operation of pulley mechanism is carried out in the high-altitude, needs one or more operative employees to work under abominable service conditions, or even the weather of wind or heavy rain is arranged.Lifting appliance auxiliary in whole process must keep motionless, and it generally is to rent with very expensive price.
Another kind of installation method is more difficult, promptly with auxiliary lifting appliance sling lifting arm and pull bar and lifting arm is upwards rotated around its hinge at root, up to can being positioned at free end and one that the is positioned at cat head pull bar that is of convenient length of pull bar of lifting arm root with bearing pin bonded assembly position.After the connection procedure of pull bar and connecting rod is finished, by auxiliary lifting appliance lifting arm is put down up to pull bar again and strain.
The installation process of equilibrium arm and the installation process of lifting arm are similar, and same difficulty is arranged.
The objective of the invention is to solve above-mentioned difficulties.The invention provides the installation method and the corresponding device thereof of tower crane arm, it can improve the safety of installation process and reduce the period of service of auxiliary lifting appliance.
Installation method of the present invention can be used for the lifting arm of tower crane, also can be used for equilibrium arm, and they have a pull bar, and the one end is hinged on lifting arm or the equilibrium arm, is freely when the other end begins, and will be fixed on the cat head of tower crane with pin framework.Installation method is:
-assemble tower crane arm and coupled pull bar on the ground;
-on the ground the free end of the pull bar of lifting arm and equilibrium arm is lifted and stretching, make the free end of pull bar be positioned at the position that can be directly installed on cat head bearing pin bindiny mechanism;
-lifting arm or equilibrium arm are sling, at this moment pull bar keeps lifting and stretching state;
-at last lifting arm or equilibrium arm are winched to the height of cat head;
-lifting arm or equilibrium arm are fixed on the bottom of cat head;
-simultaneously the free end of the pull bar of lifting arm or equilibrium arm is fixed on the top of cat head with bearing pin.
Understand easily, the pull bar of lifting arm or equilibrium arm is raised to suitable height in advance, make lifting arm or equilibrium arm are hung when relative with cat head, the free end of pull bar so just no longer needs the pulley mechanism of present usefulness in position that can direct mount.Installation process is also rapider, and is easier.The installer has better safety condition, and the time that takies auxiliary lifting appliance simultaneously is also short, can reduce expenses greatly.
Advantageously, auxiliary lifting appliance, for example the hydraulic pressure jenny both can be used for lifting arm or equilibrium arm and lifted their pull bar when ground, can be used for lifting arm or equilibrium arm are winched under the state that keeps its pull bar to lift and strain the relevant position of cat head again.
The present invention is used to realize the device of above-mentioned installation process, at least comprise a hoist cable or a hoist cable device, be used to connect stationary nodes or a stationary nodes on the equilibrium arm and a stationary nodes on the cooresponding pull bar on the lifting arm root truss, and on the suspension hook that is hung in auxiliary lifting appliance that can be direct or indirect.The suspension gear that a derrick type should be arranged in addition is used for keeping its pull bar to be in and lifts and stretching position when lifting lifting arm or equilibrium arm.Therefore before sling lifting arm or equilibrium arm, when they also on the ground the time, suspension gear applies a pulling force on pull bar, it is lifted.
Embodiment according to the present invention, one is used to realize that the device of above-mentioned installation tower crane lifting arm process is: except that comprising a hoist cable that connects a stationary nodes on the lifting arm root truss and a stationary nodes on the pull bar, also has the pole that to set up, the one end is hinged on the said fixing node of pull bar, the other end has one to support and guide piece, it can be slided along the last stringer of lifting arm root truss, and the position that strut fixation can set up.Can set up on the movable terminal of pole and can adorn a rolling guide wheel.It is rolled along the last stringer of lifting arm root truss easily, and when pole reached vertical position, guide wheel was run into an inhibiting device on the stringer.This pole is holded up when the lifting arm pull bar lifts, because it is rigidity, has guaranteed that pull bar is sling at lifting arm to lift and tension with keeping when relative with cat head.
Advantageously, the pull bar of lifting arm is interconnected by many rod members to be formed, and the length of each rod member and the length difference of cooresponding truss are few, and when transportation, each section pull bar places on the cooresponding lifting arm truss.When lifting arm was installed, pull bar also coupled together with small rod.
According to the present invention, another characteristics that are used to install the device of tower crane lifting arm are, this device has a suspension rod, it has two to be fixed on the snap ring on the stringer on the lifting arm, the fixing connecting rod of a length is arranged above one, a length-adjustable connecting rod is arranged, so that adjust the angle of lifting arm above another.
According to additional characteristics, fixing connecting rod and the length-adjustable connecting rod of length all is installed on the cooresponding clip with bearing pin.Can adjust the horizontal position of connecting rod by the spacer thickness of adjusting on the connecting rod fixed pin shaft, so that proofread and correct reversing of lifting arm.
Suspension rod is for after lifting pull bar with auxiliary lifting appliance for auxiliary lifting appliance is provided with, and lifting arm integral body is sling to the position relative with cat head.This suspension rod is fixed near the center-of-gravity position of lifting arm.
The another kind of form of design-calculated device is the equilibrium arm that is used to install tower crane according to the present invention, it comprises a suspension rod, its mid point is used to hang the suspension hook of auxiliary lifting appliance, respectively there is a hoist cable device at two ends, hoist cable after having one on each device, stringer stationary nodes on direct connection suspension rod and the equilibrium arm, and two-part preceding hoist cable, a part connects suspension rod and pull bar, be used to lift pull bar, a stationary nodes on another part cylinder lever connecting rod and the equilibrium arm is used for the equilibrium arm integral body of slinging under the state that keeps pull bar to lift.Such device of being made up of suspension rod and hoist cable can be finished the equilibrium arm integral body of pull bar being lifted and sling under the state that pull bar lifts, these two processes are finished continuously, needn't change the suspension hook position of auxiliary lifting appliance.
According to another aspect of the present invention, illumination equipment preferably is set on the connecting rod, makes to become more convenient under the free-ended situation that is connected illumination of pull bar in the free end and being connected of equilibrium arm of lifting arm pull bar.
In a word, by following explanation and relevant scheme drawing, can understand the present invention better.As the example that is without loss of generality, scheme drawing shows the process of installation tower crane arm and the device of this process of realization.
Fig. 1 is to use the overall pattern of tower crane of the present invention in the installation site;
Fig. 2 is the axonometric drawing of lifting arm root truss, is useful on the device that lifts and strain pull bar above, in order to the method that realizes that the present invention installs about lifting arm.
Fig. 3 is the axonometric drawing of lifting arm intermediate truss, shows the parts of the pull bar that is in travelling position.
Fig. 4 is the axonometric drawing of the truss of lifting arm and cylinder lever connecting rod;
Fig. 5,6 and 7 show three successive phases lifting and strain the lifting arm pull bar;
Fig. 8 shows pull bar is in the process that the lifting arm of the state of lifting is sling;
Fig. 9 and Figure 10 are lifting arm and the thin portion of cat head bonded assembly axonometric drawing;
Figure 11 is the thin portion axonometric drawing of the suspension rod that lifts and strain about the pull bar with lifting arm;
Figure 12 is the overall axonometric drawing about the suspension rod that lifting arm integral body is sling;
Figure 13 is an overall axonometric drawing of realizing installing among the present invention the device of equilibrium arm;
Figure 14 is the thin portion axonometric drawing on the cat head top of tower crane;
As everyone knows, the tower crane among Fig. 1 have one fixing or above 1, one adjustable for height body of the tower 2 of movable pedestal a fixedly capstan head 3 is housed, install one by a steering hardware 4 it on and rotate capstan head 5, refill cat head 6 above.A lifting arm 7 and the equilibrium arm 8 that counterweight is housed are arranged on this tower crane, have one on each arm for realizing the device of installation method of the present invention.
The mechanism 10 that has 9, one in a dolly that dolly 9 is moved on the lifting arm 7, and one played hanging pulley 11 is in order at the building site mobile article.Lifting arm is hinged on cat head 6 front portions or the capstan head 5 by a horizontal bearing pin 12.Lifting arm keeps horizontalitys by the pull bar 13 at the top 14 that is connected cat head 6.This length-adjustable lifting arm 7 is by a root truss 15, and the truss 17 of 16, one cylinder lever connecting rods of one or more intermediate trusses and one or more truss 18 of stretching out are formed, and stretches out truss and be truss from cylinder lever connecting rod to protracting.
The pull bar 13 of lifting arm 7 is made up of the many rod members 19,20,21 that link to each other, their length be positioned at it under corresponding truss, i.e. root truss, the same length of the appropriate section of the truss of one or more intermediate trusses and cylinder lever connecting rod.
Shown in Fig. 2,3 and 4, the various piece 19,20,21 of pull bar 13 is placed on the corresponding truss 15,16,17 of lifting arm 7 when travelling position.
According to Fig. 3, the rear portion of the centre part 20 of pull bar 13 is that a cross section is circular stock 22, and respectively there is an ear fork 23 at two ends.The front portion is a connecting rod 24, and a handle 25 is arranged above, constitutes an outstanding auricle.Be by bearing pin 26 bonded assemblys vertical between them with the middle face of pull bar 13 and lifting arm 7.In when transportation, stock 22 is placed on the last stringer 27 of corresponding intermediate truss 16 of lifting arm, with the front frame 28 that set pin 29 is arranged with after poppet 30 supports of supporting bearing pin 31 are arranged.At this moment connecting rod 24 is along being placed on the leading section of stringer 27.
As shown in Figure 4, the rear portion of pull bar 13 top rod members 21 is stocks 32 of circular section, the front end of this stock is an auricle 33, the rear end is an ear fork 34, the front portion of rod member 21 is ear forks of being made up of two pull bars 35, the one end is connected with stock by bearing pin 36, the other end with bearing pin 39 be connected the auricle that the gusset plate 38 on the truss 17 constitutes by lifting arm with pull bar and be connected.Bearing pin 36,39 also is perpendicular with the middle face of pull bar 13 and lifting arm 7.In when transportation, stock 32 is placed on set pin 41 bearings 40 on the lifting arm 7.This bearing is positioned on the last stringer 37 with pull bar 13 bonded assembly truss 17.
As shown in Figure 2, the afterbody 19 of pull bar 13 is two end to end circular section stocks 42,43, and they pass bearing 44, and a bearing pin 45 is arranged at bearing top, is used for connecting the suspension rod 46 that lifts pull bar 13.The bottom of bearing have one perpendicular to pull bar 13 and lifting arm 7 in the bearing pin 47 of face, it is used for connecting stock 42,43 on the one hand, is used for hinged pole 48 of lifting pull bar 13 on the other hand.The end of the stock 42,43 that links to each other at bearing pin 47 places is respectively auricle 49 and ear fork 50, can withstand on a supporting plane 51 during less than the straight angle in the angle of two stocks 42,43.The front end of the afterbody rod member 19 of pull bar 13 has a connecting rod 52 that constitutes auricle, and a handle 53 is arranged above, and it links together perpendicular to the ear fork 55 of the pin of face in pull bar 13 and the lifting arm 7 54 with stock 42,43 ends that fuse by one.In the rear end of two stocks 42,43 that fuse are the auricles that slotted hole is arranged, so that pull bar 13 is fixed on the top 14 of cat head 6.
As shown in figure 11, an end of pole 48 is hinged at 47 places and pull bar 13, and the other end is reeded roller 58, the (see figure 2) of can rolling on stringer 59 on the circular section of lifting arm root truss 15.
When transportation, pole 48 is below the afterbody rod member 19 of pull bar 13, forward along putting.The stock 42,43 that fuses is positioned on the last stringer 59 of lifting arm root truss 15, with the front frame 60 that set pin or supporting pin 61 are arranged with there is the after poppet 62 of anchor 63 to support, at this moment connecting rod 52 to the leading section of stringer 59 along putting.
Fig. 5,6,7 has shown the process that the pull bar 13 of lifting arm 7 lifts and strains:
Constituting lifting arm 7 single-pieces divides truss 15,16,17,18 to be assembled together on ground.The parts 19,20,21 of pull bar 13 are also used perpendicular to the bearing pin 64,65 of face in pull bar 13 and the lifting arm and connecting rod 53,24 and cooresponding ear fork 23,24 and are connected with each other.
The lifting arm 7 that assembles sling to be placed on two supports 66,67 at least, and it should be able to make mounted coaster 9 pass through highly at least.Support 66 is placed on the post-brachial root truss of lifting 15 times, and support 67 then is placed on the front portion of lifting arm 7, beyond the connection location of pull bar 13 and lifting arm 7, to guarantee that lifting arm can overturning when lifting pull bar.
Continue to promote suspension hook 68,13 1 sections on pull bar connects one section lifting gradually.Because the effect of deadweight, an end hangs over the pole 48 of the position 47 of pull bar 13 and also holds up gradually, its other end, the roller 58 by its end (see figure 6) of rolling on stringer 59 on the lifting arm root truss 15.
Meanwhile, two hoist cables 70 of holding position are tension gradually also, and an end of two hoist cables 70 is fixed on two stationary nodes of the afterbody of lifting arm root truss 15, and the other end is fixed on the bearing pin 72 of end of pole 48.When this process finishes, two hoist cable tensions of holding position, the position that pull bar 13 also is straightened and is lifting.The lower extreme point of pole 48 props up on the axle 73 that is fixed on the resting point 74.Resting point 74 is fixed in the middle part (seeing Fig. 2 and Fig. 7) of the last stringer 59 of lifting arm root truss 15.On this position, the lower end of pole 48 manually or automatically is locked on the bearing pin 75 of resting point 74.
For the system that lifting arm 7 pull bars 13 whole and that lift of slinging are formed, we utilize a suspension rod 76 as shown in figure 12.Suspension rod has two to be fixed in the snap ring on the stringer 79 77,78 on the lifting arm 7.Snap ring 77,78 respectively is divided into a front band 80 and two lower catch hoops 83,84, is stuck in node 81,82 places of lifting arm 7 structures, and lower catch hoop 83,84 usefulness screws 87,88 link to each other with front band 80.Snap ring 77,78 can not rotate around the last stringer 79 of lifting arm 7, and this point guarantees that by bearing pin 85 it passes lower catch hoop 83,84, is inserted between the web member 86 of lifting arm 7, and a lifting bearing pin vertical with face in the lifting arm 7 89,90 is arranged on each front band 80.Be connected with the fixing connecting rod 91 of a length on the bearing pin 89 of snap ring 77, connecting rod 91 is connected with hoist cable 92.The packing ring 93 of different-thickness is through on the bearing pin 89 as required, between snap ring 77 and connecting rod 91.At another side, fixing a length-adjustable connecting rod 94 on the bearing pin 90 of snap ring 78, connecting rod 94 is connected on second hoist cable 95.The packing ring 96 of different-thickness also is through on the bearing pin 90 as required.Length-adjustable connecting rod 94 has an adjust bar 97, and one end and bearing pin are hinged, and a series of hole 98 and a cover 99 that cooperates with adjusting are arranged on the shaft, and the one end is connected on the hole 98 of adjust bar 97 with pin.And (if desired) attaching parts 101 is connected the other end 101 of engage sleeves 99.
The length of adjusting connecting rod 94 can be adjusted the balance of lifting arm 7.Its axial torsion can be proofreaied and correct with the different packing ring 93,96 of thickness that change is enclosed within on the bearing pin 89,90.Say that in principle for the lifting arm that a length is determined, adjustment process only need be carried out once.
Install and adjust the auxiliary lifting appliance in suspension rod 76 backs lifting arm 7 is sling with the system that the pull bar 13 that lifts is formed, up to the position of cat head 6.This process is seen Fig. 8.
As Fig. 9 and shown in Figure 10, the root 15 of the lifting arm of slinging 7 be positioned at can with the position that is assembled together previously of cat head 6.Two bearing pins 12 of ear fork 103 usefulness that two auricles of capstan head 5 fwds 102 and 15 times stringers of lifting arm root truss are extended back couple together the installation of realization lifting arm and body of the tower.A bevelled spigot surface is arranged in auricle 102,, make bearing pin 12 to insert to guarantee the centering of ear fork 103 and auricle 102.
After lifting arm afterbody truss 15 is installed in cat head 6 front portions, the auricle 56 of pull bar 13 afterbodys be positioned at cat head 6 top 106 near.On top 106,, be used for being connected (seeing Figure 14) with auricle 56 by an ear fork of forming by double link 107.The ladder 108 of a climbing usefulness and a workplatform 109 make the operator that the bearing pin 14 that connects usefulness can be installed.Slotted hole 57 on the lateral flexibility of pull bar 13 and the auricle 56 makes pull bar 13 can easily be installed in the top 106 of cat head.
In addition, the equilibrium arm 8 among Figure 13 is the rear portions that hingedly are installed in cat head 6 or capstan head 5, and height is identical with lifting arm and by the pull bar 111 maintenance levels at 138 places, top that are hinged on cat head 6.Pull bar has two the same circular section stocks 112, be installed in equilibrium arm 8 both sides symmetrically, the stock two ends respectively are ear fork 113,114, and back ear fork 113 is installed on the stringer 115 by the node 116 usefulness bearing pins 117 that auricle is arranged, and vestibule is pitched 114 usefulness bearing pins 118 and linked to each other with attaching parts 119.Attaching parts is made up of two block plates 120, and they are root 121 places and the end 122 places bending of auricle shape, and is connected by two struts 123,124.Attaching parts 119 is remained on the direction of extension of stock 112 by the support plate 125 between ear fork 114 and auricle 121.
The device that equilibrium arm 8 is installed has a suspension rod 126, and its mid point 127 is used to hang the suspension hook 68 of auxiliary lifting appliance 69; Two same hoist cable systems are connected on the end 128 and equilibrium arm 8 of suspension rod 126.Each hoist cable system has hoist cable after 129 directly the end 128 of suspension rod 126 stationary nodes 130 with equilibrium arm 8 stringers 115 rear portions to be coupled together, and preceding hoist cable is two parts 131,132, first 131 connects the end 128 of suspension rod 126 and the stationary nodes 133 on the pull bar 111, the stationary nodes 135 on the stationary nodes 134 on second portion 132 cylinder lever connecting rods 111 and the corresponding stringer 115 of equilibrium arm 8.
Lifting with the installation process of equilibrium arm 8 of pull bar 111 is as follows:
At the F/s of lifting, with back hoist cable 129 and 131 tensions of preceding hoist cable, and pull bar 111 is lifted, tighten up to preceding hoist cable 132.In subordinate phase, auxiliary lifting appliance 69 rises to equilibrium arm and the pull bar 111 that is in the stage of lifting the height of cat head 6.Then, the same with lifting arm 7, equilibrium arm 8 is installed at 110 positions and the cat head 6 at the rear portion of cat head 6 or capstan head 5.Pull bar 111 usefulness one connecting rod 136 links to each other with the top 106 of cat head 6.There is a slotted hole 137 to make bearing pin 138 can insert (seeing Fig. 1 and Figure 14) with comparalive ease on the connecting rod 136.
If the present invention is applied to the lifting arm 7 and the equilibrium arm 8 of tower crane simultaneously, in principle equilibrium arm 8 should be installed earlier, on equilibrium arm, adorn a part of counterweight then, lifting arm is installed again.
Self-evident, the present invention is not limited to the installation example of an above-mentioned tower crane arm and a kind of device of form only.On the contrary, it relates to all derived method and devices based on same principle.And it also relates to structure, and as pull bar 13 and 111 CONSTRUCTED SPECIFICATION, the situation of making amendment, and the situation of some technique variation of equal value are as changing pulley 58 into the slide block that can slide on stringer 59 on the lifting arm root truss 15.Relate to equally also that those orders that will install change but the installation process that do not change principle of the present invention.
Claims (13)
1, the method for tower crane arm is installed, can be used for installing lifting arm (7) and equilibrium arm (8), pull bar (13,111) is all arranged on these arms, their end is located with a truss (17) or the equilibrium arm (8) of lifting arm hinged in (39,117), the other end is free end when the tower crane arm does not reach the installation site, links to each other with the top (106) of cat head with bearing pin (14,138) after arm is installed.It is characterized by:
-truss (15,16,17,18) with lifting arm fits together on the ground, and this moment, their pull bar (along arm) was along putting;
-ground-surface the time, lift and strain their pull bar (13,111) at lifting arm (7) and equilibrium arm (8), its free end (56,122) is in and remains on lifting arm (7) and the certain altitude of equilibrium arm (8) top, so that in ensuing and the operation that docks at the top (106) of cat head (6), the free end of pull bar just is in the desired position;
-their pull bar (13,111) keeps the state lift and strain when slinging lifting arm 7 and equilibrium arm (8);
-when lifting finished, lifting arm (7) and equilibrium arm 8 were facing to cat head (6);
-lifting arm (7) and equilibrium arm (8) are installed in the bottom 5 (in the position 12,110) of cat head 6;
-directly the pull bar (111) of the pull bar (13) of lifting arm (7) or equilibrium arm is connected the end (106) (in 14,138 positions) of cat head (6) with bearing pin.
2, the method for the installation tower crane arm described in the claim 1, with an auxiliary lifting appliance (69), it for example is jenny, it is characterized by: auxiliary lifting appliance both had been used for lifting their pull bar (13,11) at lifting arm (7) or equilibrium arm (8) during on ground, also be used for lifting arm (7) or equilibrium arm (8) sling under the state that their pull bar (13,11) keeps lifting and straining and be put into cat head (6) in face of.
3, the method for the installation tower crane arm described in the claim 1 or 2 is characterized by: it can install the lifting arm (7) and the equilibrium arm (8) of same tower crane, and its sequence of erection is equilibrium arm (8) back to be installed earlier lifting arm (7) is installed.
4, be used for realizing the device of arbitrary described installation tower crane arm method of claim 1 to 3, it is characterized by: it has at least one hoist cable (46 on the one hand, 70), or hoist cable system (129,131,132), be used to connect the stationary nodes (71) of lifting arm 7 root truss (15), or the stationary nodes (130 of equilibrium arm 8,135) and corresponding pull bar (13,111) stationary nodes (47 on, 133,134), hoist cable or hoist cable system hang on the suspension hook (68) of auxiliary lifting appliance (69) directly or indirectly, on the other hand, use suspension rod (76,126) suspention method can be at the pull bar (13 of lifting arm (7) or equilibrium arm (8), 111) under the situation of lifting and straining they are sling.
5, the device of the installation tower crane arm of describing in the claim 4, it is characterized by: for the lifting arm (7) that tower crane is installed, this device removes has at least a hoist cable (70) to connect the stationary nodes (71) on the lifting arm root truss (15) and a stationary nodes (47) of pull bar (13), also need the pole that to set up (48), a stationary nodes (47) of one end and pull bar (13) is hinged, the other end has one to support and guide piece, it can be moved along the last stringer (59) of lifting arm root truss (15), also have some devices (73 in addition, 74,75) be used to make pole 48 to be parked in vertical position, and guarantee that it is fixed on relevant position on the stringer (59) with bearing pin.
6, the device of the installation tower crane arm of describing in the claim 5, it is characterized by: a roller (58) is arranged on second termination of the pole that can hold up (48), be easy to move along the last stringer (59) of lifting arm root truss (15), when pole (48) reaches vertical position, roller is run into the block (73,74) on the stringer (59).
7, the installation tower crane arm assembly of describing in the claim 5 or 6, it is characterized by: the pull bar of lifting arm (13) is made up of end to end rod member (19,20,21), their length and corresponding truss (15,16,17) are roughly the same, the rod member of pull bar is placed on the cooresponding truss when transportation, and the mutual when mounted crank connecting link of the rod member of pull bar (19,20,21) gets up.
8, the device of the installation tower crane arm of describing in arbitrary in the claim 5 to 7, it is characterized by: it has the suspension rod (76) of the lifting arm that is used to sling, have two snap rings (77,78), be fixed on the last stringer (79) of lifting arm (7), the fixing connecting rod (91) of length is arranged on one of them (77), a length-adjustable connecting rod (94) is arranged on another (78), be used to proofread and correct the level inclination of lifting arm.
9, the device of the installation tower crane arm of describing in the claim 8, it is characterized by: fixing connecting rod (91) and the length-adjustable connecting rod (94) of length uses bearing pin (89,90) to be hinged on the snap ring (77,78) respectively, its horizontal position is adjusted by the different packing ring (93,96) of thickness that is enclosed within on the bearing pin (89,90), to proofread and correct reversing of lifting arm (7).
10, the device of the installation tower crane arm of describing in the claim 8 or 9, it is characterized by: length-adjustable connecting rod (94) is made up of an adjust bar (97) and an engage sleeves (99), one end of adjust bar (97) is hinged with bearing pin (90) and snap ring (78), a series of hole (98) is arranged on the adjust bar, hole pin joint on one end of engage sleeves (99) and the adjust bar (97), if necessary, also can prolong connecting rod (100) is connected cover (99) with bearing pin the other end (101) with one.
11, the installation tower crane arm assembly of arbitrary description in the claim 8 to 10, it is characterized by: snap ring (77,78) is formed by a front band (90) and two lower catch hoops (83,85), and the node (81,82) that lays respectively at lifting arm locates, and snap ring fixedly is to pass lower catch hoop (83,85) by one and the bearing pin (85) that is inserted between the web member (86) of lifting arm is realized hand of rotation.
12, the device of the installation tower crane arm of describing in the claim 4, it is characterized by: the device that tower crane equilibrium arm (8) is installed has a suspension rod (126), its mid point (127) is used to hang the suspension hook (68) of auxiliary lifting appliance (69), hang with two on its two ends (128) and overlap the hoist cable system (129 that is connected on the equilibrium arm (8), 131,132), hoist cable after the hoist cable system has one (129), directly the last stationary nodes of stringer (115) (130) with suspension rod (126) and equilibrium arm (8) couples together, also has one in addition by two parts (131,132) the preceding hoist cable of Zu Chenging, its first (131) connects suspension rod (126) and pull bar (111), be used to lift pull bar (111), stationary nodes (135) on the stringer (115) of second portion (132) cylinder lever connecting rod (111) and equilibrium arm (8), whole equilibrium arm system is used for slinging under the state that pull bar lifts.
13, the device of arbitrary described installation tower crane arm in the claim 4 to 12, it is characterized by: be provided with lighting installation (57,137) above the device, in the time of the bonded assembly of the top (106) of the free end (56,122) of pull bar (13,111) and cat head (6), use, the lighting installation of lifting arm one side preferably is installed in the free end (56) of pull bar (13), equilibrium arm one side then is installed on the connection connecting rod (136).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9307814 | 1993-06-22 | ||
| FR9307814A FR2706882B1 (en) | 1993-06-22 | 1993-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1103378A true CN1103378A (en) | 1995-06-07 |
| CN1033634C CN1033634C (en) | 1996-12-25 |
Family
ID=9448602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94106721.1A Expired - Fee Related CN1033634C (en) | 1993-06-22 | 1994-06-22 | Tower crane arm installation device and method |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0635450B1 (en) |
| JP (1) | JP3554583B2 (en) |
| CN (1) | CN1033634C (en) |
| AT (1) | ATE160760T1 (en) |
| CZ (1) | CZ153194A3 (en) |
| DE (1) | DE69407106T2 (en) |
| DK (1) | DK0635450T3 (en) |
| ES (1) | ES2110723T3 (en) |
| FR (1) | FR2706882B1 (en) |
| RU (1) | RU2145934C1 (en) |
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| WO2011063640A1 (en) * | 2009-11-27 | 2011-06-03 | 湖南三一智能控制设备有限公司 | Crane transition assisting device, transport trailer with assisting device and crane disassembling/assembling method by use of assisting device |
| CN102616680A (en) * | 2012-04-05 | 2012-08-01 | 中联重科股份有限公司 | Tower crane connecting plate and tower crane with same |
| CN103086283A (en) * | 2013-01-24 | 2013-05-08 | 中联重科股份有限公司 | Cargo boom and tower crane with same |
| CN103303818A (en) * | 2012-03-06 | 2013-09-18 | 上海庞源机械租赁股份有限公司 | Construction method of tower crane boom overhead extension |
| CN103420283A (en) * | 2012-05-18 | 2013-12-04 | 李宜君 | Boom structure of tower crane |
| CN103539023A (en) * | 2013-10-29 | 2014-01-29 | 中联重科股份有限公司 | Mounting structure and mounting method of balance arm, pull rod and tower head and tower crane |
| CN104609320A (en) * | 2015-01-09 | 2015-05-13 | 广州文冲船厂有限责任公司 | Method for replacing hinge support bearing of crane boom |
| CN107108186A (en) * | 2014-11-10 | 2017-08-29 | 利勃海尔比伯拉赫股份有限公司 | Method for shifting rotary tower crane |
| CN113998604A (en) * | 2021-09-22 | 2022-02-01 | 徐工集团工程机械股份有限公司建设机械分公司 | A combined reinforced truss arm and its triangular truss arm unit body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2756551B1 (en) * | 1996-12-03 | 1999-01-15 | Potain Sa | METHOD AND DEVICE FOR MOUNTING THE TIE RODS OF TOWER CRANE BOOMS |
| FR2788758B1 (en) | 1999-01-27 | 2001-02-23 | Potain Sa | METHOD AND DEVICE FOR MOUNTING THE MASTER HEAD OF TOWER CRANES |
| JP3683137B2 (en) | 1999-11-10 | 2005-08-17 | 三菱電機株式会社 | Manufacturing method of fuel injection valve |
| CN102267671B (en) * | 2010-06-04 | 2015-09-16 | 周杨 | Crane arm |
| CN101979308B (en) * | 2010-10-14 | 2012-02-01 | 长沙中联重工科技发展股份有限公司 | Tower crane, pull rod structure for balance arm thereof and mounting method for structure |
| CN102489981B (en) * | 2011-12-05 | 2014-03-19 | 中联重科股份有限公司 | Auxiliary device for mounting or dismounting parts |
| US9206021B2 (en) * | 2012-09-26 | 2015-12-08 | Kobelco Cranes Co., Ltd. | Crane and crane assembling method |
| JP5862530B2 (en) * | 2012-09-26 | 2016-02-16 | コベルコクレーン株式会社 | Guide bracket for hoisting member, method for connecting hoisting member, and method for connecting jib |
| CN104030175A (en) * | 2014-05-12 | 2014-09-10 | 江苏大通重工有限公司 | Connection apparatus for rear-oblique pull rod of miniature tower-type hoisting machinery |
| GB2593394B (en) | 2016-09-19 | 2022-01-05 | Somero Entpr Inc | Concrete screeding system with boom mounted screed head |
| DE202017107301U1 (en) * | 2017-09-01 | 2018-12-07 | Liebherr-Werk Biberach Gmbh | Tower Crane |
| FR3114581B1 (en) | 2020-09-25 | 2022-12-09 | Manitowoc Crane Group France | Crane element forming a pivot for a component-mounted crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1296149A (en) * | 1961-06-09 | 1962-06-15 | Foeneter S A | Installation for transporting materials, possibly people, on a construction site |
| FR1389480A (en) * | 1963-11-07 | 1965-02-19 | Method for lifting the jib of distribution cranes and devices allowing its implementation | |
| DK115280B (en) * | 1966-05-25 | 1969-09-22 | Edilmac Spa | Tower swivel crane with a crane tower swiveling vertically. |
| FI44039C (en) * | 1968-09-18 | 1971-08-10 | Betonikone Ab Oy | Method and apparatus for installing a self-erecting crane boom |
| DE8709267U1 (en) * | 1987-07-04 | 1987-08-20 | Man Ghh Logistics Gmbh, 74076 Heilbronn | Tower tip of a rotating construction crane designed as a transport and assembly unit |
-
1993
- 1993-06-22 FR FR9307814A patent/FR2706882B1/fr not_active Expired - Fee Related
-
1994
- 1994-06-03 AT AT94420161T patent/ATE160760T1/en not_active IP Right Cessation
- 1994-06-03 DE DE69407106T patent/DE69407106T2/en not_active Expired - Fee Related
- 1994-06-03 ES ES94420161T patent/ES2110723T3/en not_active Expired - Lifetime
- 1994-06-03 EP EP94420161A patent/EP0635450B1/en not_active Expired - Lifetime
- 1994-06-03 DK DK94420161T patent/DK0635450T3/en active
- 1994-06-20 JP JP13747694A patent/JP3554583B2/en not_active Expired - Fee Related
- 1994-06-21 CZ CZ941531A patent/CZ153194A3/en unknown
- 1994-06-21 RU RU94021633A patent/RU2145934C1/en not_active IP Right Cessation
- 1994-06-22 CN CN94106721.1A patent/CN1033634C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011063640A1 (en) * | 2009-11-27 | 2011-06-03 | 湖南三一智能控制设备有限公司 | Crane transition assisting device, transport trailer with assisting device and crane disassembling/assembling method by use of assisting device |
| CN103303818A (en) * | 2012-03-06 | 2013-09-18 | 上海庞源机械租赁股份有限公司 | Construction method of tower crane boom overhead extension |
| CN102616680A (en) * | 2012-04-05 | 2012-08-01 | 中联重科股份有限公司 | Tower crane connecting plate and tower crane with same |
| CN103420283A (en) * | 2012-05-18 | 2013-12-04 | 李宜君 | Boom structure of tower crane |
| CN103086283B (en) * | 2013-01-24 | 2015-05-13 | 中联重科股份有限公司 | Cargo boom and tower crane with same |
| CN103086283A (en) * | 2013-01-24 | 2013-05-08 | 中联重科股份有限公司 | Cargo boom and tower crane with same |
| CN103539023A (en) * | 2013-10-29 | 2014-01-29 | 中联重科股份有限公司 | Mounting structure and mounting method of balance arm, pull rod and tower head and tower crane |
| CN103539023B (en) * | 2013-10-29 | 2015-10-28 | 中联重科股份有限公司 | Mounting structure and mounting method of balance arm, pull rod and tower head and tower crane |
| CN107108186A (en) * | 2014-11-10 | 2017-08-29 | 利勃海尔比伯拉赫股份有限公司 | Method for shifting rotary tower crane |
| CN107108186B (en) * | 2014-11-10 | 2018-12-28 | 利勃海尔比伯拉赫股份有限公司 | Method for shifting rotary tower crane |
| CN104609320A (en) * | 2015-01-09 | 2015-05-13 | 广州文冲船厂有限责任公司 | Method for replacing hinge support bearing of crane boom |
| CN104609320B (en) * | 2015-01-09 | 2017-02-22 | 广州文冲船厂有限责任公司 | Method for replacing hinge support bearing of crane boom |
| CN113998604A (en) * | 2021-09-22 | 2022-02-01 | 徐工集团工程机械股份有限公司建设机械分公司 | A combined reinforced truss arm and its triangular truss arm unit body |
Also Published As
| Publication number | Publication date |
|---|---|
| RU94021633A (en) | 1996-09-10 |
| ATE160760T1 (en) | 1997-12-15 |
| CZ153194A3 (en) | 1995-01-18 |
| JPH0710471A (en) | 1995-01-13 |
| RU2145934C1 (en) | 2000-02-27 |
| JP3554583B2 (en) | 2004-08-18 |
| EP0635450B1 (en) | 1997-12-03 |
| EP0635450A1 (en) | 1995-01-25 |
| DE69407106D1 (en) | 1998-01-15 |
| DK0635450T3 (en) | 1998-08-10 |
| ES2110723T3 (en) | 1998-02-16 |
| DE69407106T2 (en) | 1998-03-26 |
| CN1033634C (en) | 1996-12-25 |
| FR2706882B1 (en) | 1995-08-11 |
| FR2706882A1 (en) | 1994-12-30 |
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