CN102381641A - Crane auxiliary arm mounting equipment and crane auxiliary arm mounting method - Google Patents
Crane auxiliary arm mounting equipment and crane auxiliary arm mounting method Download PDFInfo
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- CN102381641A CN102381641A CN2011103468113A CN201110346811A CN102381641A CN 102381641 A CN102381641 A CN 102381641A CN 2011103468113 A CN2011103468113 A CN 2011103468113A CN 201110346811 A CN201110346811 A CN 201110346811A CN 102381641 A CN102381641 A CN 102381641A
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Abstract
The invention discloses a crane auxiliary arm mounting method, which comprises the following steps of: 10) arranging a first hoisting pulley between an arm head lower connecting piece of a main arm and a top main pulley; 20) allowing a steel wire rope of a crane to pass through the main pulley and the first hoisting pulley and be connected to an arm tail of an auxiliary arm; 30) retracting the steel wire rope, aligning an arm tail lower connecting piece with an arm head lower connecting piece of the auxiliary arm, and hinging the arm tail lower connecting piece and the arm head lower connecting piece through a horizontal hinge shaft; and 40) pulling the auxiliary arm to rotate around the horizontal hinge shaft, and connecting an arm tail upper connecting piece and an arm head upper connecting piece. In the mounting method, the first hoisting pulley is arranged, so the crane can hoist the auxiliary arm through a winch and the steel wire rope of the crane, the auxiliary arm is mounted on the main arm finally, and the auxiliary arm and the main arm can be easily and conveniently mounted; and compared with the prior art, the crane auxiliary arm mounting method has the advantages that: other cranes are not required to hoist the auxiliary arm, the use is more convenient and the mounting cost can be reduced. The invention also discloses crane auxiliary arm mounting equipment.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of installation method of crane subsidiary arm.The invention still further relates to a kind of crane subsidiary arm erecting equipment.
Background technology
Car hosit is widely used in technical field of engineering machinery, hoisting crane through arm and around with the steel rope hoisting heavy of arm head pulley.Based on the difference of lifting demand, the arm of hoisting crane has principal arm and auxiliary usually.
When load is big, when lifting altitude is low, use principal arm to hoist usually; Less when load, when lifting altitude is higher, use auxiliary to hoist.When the afterbody of auxiliary was connected with the principal arm arm head, the entire length of crane boom was the length sum of principal arm and auxiliary, thus can improve the height that hoists, and because the length lengthening, intensity is lower, therefore, is fit to hoisting of less load.In addition, when using auxiliary, because load is less, pulley can single multiplying power work, and operating efficiency is higher.
In the prior art, when needing to use auxiliary, mainly auxiliary is worked the principal arm place that winches to hoisting crane and implement again to install through auxiliary hoist.If no auxiliary hoist cooperates, be difficult to realize the installation of auxiliary.
Therefore, how a kind of method and auxiliary erecting equipment of erecting crane auxiliary being provided, the auxiliary mounting hardness is reduced, is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of the invention is for providing a kind of crane subsidiary arm installation method, and this kind installation method makes hoisting crane auxiliary and principal arm are installed on one through the hoisting equipment of self, need not the auxiliary installation of other hoisting cranes, has reduced installation difficulty.Another object of the present invention provides a kind of crane subsidiary arm erecting equipment.
For reaching first purpose of the present invention, the present invention provides a kind of crane subsidiary arm installation method, comprises the steps:
10) the first Hanging roller is installed between attaching parts under the arm head of principal arm and principal arm top head pulley, and is made the first Hanging roller and head pulley be in same perpendicular, wherein, attaching parts is used for that attaching parts is connected under the arm tail with auxiliary under the arm head;
20), and be connected in auxiliary arm tail with the steel wire penetrating head pulley and the first Hanging roller of hoisting crane;
30) principal arm is risen rise to predetermined altitude, pack up steel rope, attaching parts is aimed at and hinged through horizontally hinged axle through the elevator of hoisting crane;
40) pack up steel rope through elevator, the pulling auxiliary rotates around horizontally hinged axle, and the arm tail upper connector that turns to auxiliary and arm head upper connector be on time, connection auxiliary arm tail upper connector and principal arm arm head upper connector.
Preferably, in the step 10), also second Hanging roller that is positioned at same perpendicular with head pulley is installed at the top of auxiliary;
Step 30) and step 40) between also comprise the steps:
Step 301) makes steel rope break away from auxiliary arm tail,, and be connected in auxiliary arm point place steel wire penetrating head pulley, second Hanging roller.
Preferably, also remove the first Hanging roller step 301).
Preferably, steel rope in each step and elevator are respectively steel rope and the secondary elevator in the hoisting crane auxiliary hoisting mechanism.
In this installation method; Owing to be provided with the first Hanging roller, then hoisting crane can at first connect the bottom of auxiliary afterbody and principal arm arm head through elevator and the rope hoisting auxiliary of self; When promoting again; Auxiliary integral body is rotated around horizontally hinged axle, and then the upper connector of auxiliary arm tail and principal arm arm head is aimed at and is connected, and auxiliary is installed on the principal arm the most at last.This method can realize the installation of auxiliary and principal arm comparatively easily, compared to prior art, need not by other crane loading auxiliarys, uses more conveniently, can reduce cost of installation.
For reaching another object of the present invention; The present invention provides a kind of crane subsidiary arm erecting equipment; Its principal arm has attaching parts under arm head upper connector and the arm head; Auxiliary arm tail has attaching parts under arm tail upper connector and the arm tail, and attaching parts is respectively applied for attaching parts under connecting arm tail upper connector and the arm tail under said arm head upper connector and the said arm head;
Erecting equipment also has to be located under the arm head between the attaching parts and arm head top head pulley and to be positioned at the first Hanging roller of same perpendicular with the hoisting crane head pulley, and crane rope is connected the auxiliary afterbody after walking around head pulley and the first Hanging roller;
When steel rope is packed up under pulling auxiliary to the auxiliary afterbody attaching parts and is aimed under the arm head attaching parts, under the auxiliary afterbody under attaching parts and the arm head attaching parts hinged through horizontally hinged; Steel rope is packed up the pulling auxiliary and is turned to auxiliary upper connector and arm head upper connector on time around horizontally hinged axle, and auxiliary afterbody upper connector is connected with the arm head upper connector.
Preferably; The top of said auxiliary is provided with second Hanging roller that is in same perpendicular with head pulley; Under the auxiliary afterbody under attaching parts and the arm head attaching parts horizontally hinged after, steel rope is walked around said head pulley and said second Hanging roller, and connects the arm point of said auxiliary.
Preferably, also have the guiding steel wire rope, the bottom of said auxiliary afterbody is provided with otic placode, the end connecting shackle of steel rope, and said guiding steel wire rope passes said otic placode and is hung on the said suspension hook.
Preferably, attaching parts is respectively arm head axle and following arm head axle under said arm head upper connector and the said arm head, and said arm head axle and the said arm head axle horizontal down gone up is provided with and extends to the arm head both sides, saidly goes up the arm head axle and the said cross section of arm head axle down is a circle; Attaching parts is for connecing fork and down connect fork under said arm tail upper connector and the said arm tail on being respectively, and connects fork and connects the both sides that fork all is positioned at said auxiliary afterbody said time on said; Connect fork on both sides said and be stuck in respectively and coorespondingly saidly go up arm head axle and said arm head axle down with the said fork that connects down, and connect on said fork and said under connect the end of pitching bifurcated and all fix through bearing pin.
Preferably, said the first Hanging roller is removably installed in the principal arm arm head.
Preferably, said steel rope and said elevator are respectively steel rope and the secondary elevator in the hoisting crane auxiliary hoisting mechanism.
Identical with above-mentioned installation method; The erecting equipment that this invention provides is owing to be provided with the first Hanging roller, and then hoisting crane can be realized the installation of auxiliary and principal arm comparatively easily through elevator and the rope hoisting auxiliary of self; Compared to prior art; Need not by other crane loading auxiliarys, use more conveniently, can reduce cost of installation.
Description of drawings
Fig. 1 is the control flow chart of first kind of specific embodiment of crane subsidiary arm installation method provided by the present invention;
Fig. 2 is the structural representation of first kind of specific embodiment installation process of crane subsidiary arm erecting equipment provided by the present invention;
Fig. 3 is the local enlarged diagram in A position among Fig. 2;
Fig. 4 is provided with the birds-eye view of arm head axle for principal arm arm head among Fig. 2;
Fig. 5 connects the scheme drawing of fork for auxiliary arm tail setting among Fig. 2;
Fig. 6 connects the birds-eye view of fork for auxiliary arm tail setting among Fig. 2;
Fig. 7 is the control flow scheme drawing of second kind of specific embodiment of crane subsidiary arm installation method provided by the present invention;
Fig. 8 is the structural representation of second kind of specific embodiment installation process of crane subsidiary arm erecting equipment provided by the present invention;
Fig. 9 is auxiliary among Fig. 8 and the principal arm structural representation after installing;
Figure 10 is the local enlarged diagram at B position among Fig. 9;
Figure 11 is the structural representation of auxiliary arm point among Fig. 8.
The specific embodiment
Core of the present invention is for providing a kind of crane subsidiary arm installation method and erecting equipment; This kind installation method and erecting equipment make hoisting crane auxiliary and principal arm are installed on one through the hoisting equipment of self; Need not the auxiliary installation of other hoisting cranes, reduced installation difficulty.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Discuss for the ease of understanding with succinct, following content combines the installation method of crane subsidiary arm and erecting equipment to describe, and beneficial effect and related art scheme are discussed no longer separately.
Please refer to Fig. 1 to Fig. 6, Fig. 1 is the control flow chart of first kind of specific embodiment of crane subsidiary arm installation method provided by the present invention; Fig. 2 is the structural representation of first kind of specific embodiment installation process of crane subsidiary arm erecting equipment provided by the present invention; Fig. 3 is the local enlarged diagram in A position among Fig. 2; Fig. 4 is provided with the birds-eye view of arm head axle for principal arm arm head among Fig. 2; Fig. 5 connects the scheme drawing of fork for auxiliary arm tail setting among Fig. 2; Fig. 6 connects the birds-eye view of fork for auxiliary arm tail setting among Fig. 2.
The crane subsidiary arm installation method that this specific embodiment provides comprises the steps:
S11) the first Hanging roller 112 is installed between attaching parts under the arm head of principal arm 1 and principal arm 1 top head pulley 111, the first Hanging roller 112 is in same perpendicular with head pulley 111;
As shown in Figure 2, head pulley 111 is positioned at the top of principal arm 1 arm head 11, and during principal arm 1 work, the steel rope 3 of major-minor elevator all need be walked around this head pulley 111, can realize the lifting of weight.The upper and lower of auxiliary 2 arm tails is respectively equipped with attaching parts under arm tail upper connector and the arm tail; Arm head 11 upper and lowers have attaching parts under arm head upper connector and the arm head; When auxiliary 2 is installed, under arm head upper connector and the arm head attaching parts respectively with arm tail upper connector and arm tail under attaching parts fix.In this step; The first Hanging roller 112 is installed under head pulley 111 and the arm head between the attaching parts; Then can guarantee auxiliary 2 afterbodys of lifting are worked the height that winches to attaching parts under the arm head, and be easy to attaching parts under the arm tail of auxiliary 2 is aimed at attaching parts under the arm head.The first Hanging roller 112 is positioned at same perpendicular with head pulley 111, to guarantee that steel rope 3 does not receive moment of torsion, has normal hoisting function.
S12) steel rope 3 with hoisting crane passes head pulley 111 and the first Hanging roller 112, and is connected in auxiliary 2 arm tails;
When auxiliary 2 was installed with principal arm 1, the arm tail of auxiliary 2 was connected with the arm head 11 of principal arm 1, so before installing, the arm tail of auxiliary 2 is positioned at the below (such as ground) of arm head 11, and is relative with arm head 11.Steel rope 3 is connected with auxiliary 2 arm tails after walking around head pulley 111 and the first Hanging roller 112 again, can the suspension hook 31 of steel rope 3 ends be hooked in auxiliary 2 afterbodys.Particularly, see also Fig. 3, ring-type guiding steel wire rope 115 can be set; The bottom of auxiliary 2 afterbodys is provided with otic placode 24; Ring-type guiding steel wire rope 115 passes otic placode 24 and is hung on the suspension hook 31, and then steel rope 3 is connected in the afterbody of auxiliary 2, and this lifting method also can be applied to following other embodiment.
S13) 1 of principal arm is risen to predetermined altitude, pack up steel rope 3, attaching parts is aimed at and hinged through horizontally hinged axle through the elevator of hoisting crane;
The aligning that connects fork 232 for the ease of following arm head axle 1132 and auxiliary for 2 times be connected, guaranteeing connecing down under the prerequisite of fork 232 and auxiliary 2 coupling stiffnesses, connect down pitch 232 and auxiliary 2 afterbodys can flexibly connect mode such as promptly hinged, that ball connects.Such as: the root that connects down fork 232 can be coated on the horizontal cross shaft of auxiliary 2 afterbodys, then connect down pitch 232 can parallel motion or in perpendicular, rotate.When auxiliary 2 afterbodys rise when winching to arm head 11 afterbodys; Can under rotating and moving, connect fork 232; So that connect down following arm head axle 1132 alignings of fork 232 and auxiliary 2 and be connected; After the connection, connect fork 232 and auxiliary 2 afterbodys under can fixing again, such as connecing fork 232 and auxiliary 2 afterbodys under fastening through fasteners such as pivot pin or bolts.
S14) pack up steel rope 3 through elevator, pulling auxiliary 2 rotates around horizontally hinged axle, turns to arm tail upper connector and arm head upper connector on time, captive joint.
Because bottom and principal arm 1 lower hinge of auxiliary 2 arm tails, so when packing up steel rope 3, auxiliary 2 can be around horizontally hinged (in this embodiment; Following arm head axle 1132 as attaching parts under the arm head; Simultaneously also be it with the arm tail under the horizontally hinged axle of attaching parts pivotally attached) rotate, when auxiliary 2 turns to when concordant with principal arm 1 arm tail upper connector and arm head upper connector aligning; Then can be captiveed joint with the top of arm head 11 again in the top of auxiliary arm tail; At this moment, the position relative fixed of auxiliary 2 and principal arm 1 has realized the installation of auxiliary 2.
Connect on two of arm tail both sides among Fig. 3 fork 231 respectively with arm head 11 two on the two ends of arm head axle 1131 be connected; Consistent with the connection mode that connects fork 232 and following arm head axle 1132 down; On connect fork 231 with after last arm head axle 1131 is connected, the position relative fixed of auxiliary 2 and principal arm 1 arm head 11.Connect fork 231 among the embodiment and rigidly fix with auxiliary 2 afterbodys, fixing such as welding, after connecing fork 232 down and aiming at down arm head axle 1132, auxiliary 2 turns to when concordant with principal arm 1, on connect fork 231 and must aim at arm head axle 1131.
In this specific embodiment; Owing to be provided with the first Hanging roller 112, then hoisting crane can promote auxiliary 2 through elevator and the steel rope 3 of self, at first connects the bottom of auxiliary 2 arm tails and the bottom of arm head 11; When promoting again; Auxiliary 2 integral body are rotated around horizontally hinged axle, and then the arm tail upper connector of auxiliary 2 is aimed at the arm head upper connector and is connected, and auxiliary 2 is installed on the principal arm 1 the most at last.This method and apparatus can be realized the installation of auxiliary 2 and principal arm 1 comparatively easily, compared to prior art, need not by other crane loading auxiliarys 2, uses more conveniently, can reduce cost of installation; In addition, the first Hanging roller 112 of auxiliary 2 is installed is located at arm head 11 places, installs comparatively easyly, be convenient to steel rope 2 lifting auxiliarys 2.
Please refer to Fig. 7 to Figure 11, Fig. 7 is the control flow scheme drawing of second kind of specific embodiment of crane subsidiary arm installation method provided by the present invention; Fig. 8 is the structural representation of second kind of specific embodiment installation process of crane subsidiary arm erecting equipment provided by the present invention; Fig. 9 is auxiliary among Fig. 8 and the principal arm structural representation after installing; Figure 10 is the local enlarged diagram at B position among Fig. 9; Figure 11 is the structural representation of auxiliary arm point among Fig. 8.
The crane subsidiary arm installation method that this specific embodiment provides comprises the steps:
S21) the first Hanging roller 112 is installed between attaching parts under the arm head of principal arm 1 and principal arm 1 top head pulley 111, the first Hanging roller 112 is in same perpendicular with head pulley 111; Second Hanging roller 21 that is positioned at same perpendicular with head pulley 111 installed at top at auxiliary 2;
S22) steel rope 3 with hoisting crane passes head pulley 111 and the first Hanging roller 112, and is connected in auxiliary 2 arm tails;
S23) 1 of principal arm is risen to predetermined altitude, pack up steel rope 3, attaching parts is aimed at and hinged through horizontally hinged axle through the elevator of hoisting crane;
S24) make steel rope 3 break away from auxiliarys 2 arm tails, steel rope 3 is passed head pulley 111, second Hanging roller 21, and be connected in auxiliary 2 arms point 22 places; Also remove the first Hanging roller 112;
When steel rope 3 acts on the arm tail of auxiliary 2; Can comparatively effortlessly the arm tail be risen and winch to arm head 11 places; When needs make whole auxiliary 2 when horizontally hinged axle rotates, can the steel rope 3 and the point of connection of auxiliary 2 be gone to arm point 22 places of auxiliary 2, referring to Fig. 8; This mode can make the arm of force of lifting auxiliary 2 the longest, thereby can more effortlessly 2 of auxiliarys be winched to desired location.Because steel rope 3 needs around to auxiliary 2 arms point 22 places; For guaranteeing that steel rope 3 can power transmission to arm point 22 places, and do not interfere, second Hanging roller 21 can be set in auxiliary 2 tops with auxiliary 2 tops; Second Hanging roller 21 only is set among Fig. 8; In fact, according to actual needs, second Hanging roller 21 that two or more and head pulley 111 are positioned at same perpendicular can also be set.Can be with steel rope 3 around pulley place to auxiliary 2 arms point 22 (being the arm point 22 of auxiliary 2 extension arms among Fig. 8); Come off by retaining rope pipe 222 restriction steel ropes 3; Because auxiliary 2 arms point 22 is curved; The suspension hook 31 of steel rope 3 ends can prop up auxiliary 2 arms point 22 when then lifting by crane, and realizes being connected of steel rope 3 and auxiliary 2 arms point 22.Certainly, the suspension hook 31 of steel rope 3 also can directly be hooked in other framing member places of auxiliary 2 arms point 22; In fact, the suspension hook 31 of steel rope 3 also can be hooked in other positions of auxiliary 2, realizes that drawing high auxiliary 2 gets final product the purpose of its rotation.
After attaching parts is connected under the following attaching parts of arm tail and the arm head, when auxiliary 2 is rotated further,, can remove the first Hanging roller 112 for the first Hanging roller 112 and the arm stern construction of avoiding being provided with interferes the rotation that limits auxiliary 2 in advance.The first Hanging roller 112 can be removably installed in arm head 11 places through carriage assembly, and is as shown in Figure 4, and principal arm 1 arm head 11 places are provided with two adapter plates that are set up in parallel; Pulley places between two clamping plate; When the first Hanging roller 112 was installed, two clamping plate inserted between two adapter plates and with bearing pin and fix, and then the first Hanging roller 112 is installed on arm head 11 places easily; After extracting bearing pin, then dismountable the first Hanging roller 112.Certainly, do not interfere at the first Hanging roller 112 under the prerequisite of auxiliary 2 rotations and installation, can not remove the first Hanging roller 112 yet.
S25) pack up steel rope 3 through elevator, pulling auxiliary 2 rotates around horizontally hinged axle, and the arm tail upper connector and the arm head upper connector that turn to auxiliary 2 be on time, fixed arm tail upper connector and arm head upper connector.
Hoisting crane has main hoisting mechanism (comprising master winch, steel rope and main hook) and auxiliary hoisting mechanism (comprising secondary elevator, steel rope and auxiliary hook), and in this programme, lifting auxiliary 2 can use auxiliary hoisting mechanism.Auxiliary hoisting mechanism can satisfy the installation requirements of auxiliary 2, and auxiliary 2 is installed is for satisfying less, operating mode when lifting altitude is higher of load, under this operating mode, use auxiliary hoisting mechanism also to be enough to satisfy the demands, and single multiplying power work, and operating efficiency is high.
More than a kind of crane subsidiary arm installation method provided by the present invention and erecting equipment have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a crane subsidiary arm installation method is characterized in that, comprises the steps:
10) the first Hanging roller is installed between attaching parts under the arm head of principal arm and principal arm top head pulley, and is made the first Hanging roller and head pulley be in same perpendicular, wherein, attaching parts is used for that attaching parts is connected under the arm tail with auxiliary under the arm head;
20), and be connected in auxiliary arm tail with the steel wire penetrating head pulley and the first Hanging roller of hoisting crane;
30) principal arm is risen rise to predetermined altitude, pack up steel rope, attaching parts is aimed at and hinged through horizontally hinged axle through the elevator of hoisting crane;
40) pack up steel rope through elevator, the pulling auxiliary rotates around horizontally hinged axle, and the arm tail upper connector that turns to auxiliary and arm head upper connector be on time, connection auxiliary arm tail upper connector and principal arm arm head upper connector.
2. crane subsidiary arm installation method according to claim 1 is characterized in that,
In the step 10), also second Hanging roller that is positioned at same perpendicular with head pulley is installed at the top of auxiliary;
Step 30) and step 40) between also comprise the steps:
Step 301) makes steel rope break away from auxiliary arm tail,, and be connected in auxiliary arm point place steel wire penetrating head pulley, second Hanging roller.
3. crane subsidiary arm installation method according to claim 2 is characterized in that step 301) in also remove the first Hanging roller.
4. according to each described crane subsidiary arm installation method of claim 1 to 3, it is characterized in that steel rope in each step and elevator are respectively steel rope and the secondary elevator in the hoisting crane auxiliary hoisting mechanism.
5. a crane subsidiary arm erecting equipment is characterized in that,
Its principal arm has attaching parts under arm head upper connector and the arm head, and auxiliary arm tail has attaching parts under arm tail upper connector and the arm tail, and attaching parts is respectively applied for attaching parts under connecting arm tail upper connector and the arm tail under said arm head upper connector and the said arm head;
Erecting equipment also has to be located under the arm head between the attaching parts and arm head top head pulley and to be positioned at the first Hanging roller of same perpendicular with the hoisting crane head pulley, and crane rope is connected the auxiliary afterbody after walking around head pulley and the first Hanging roller;
When steel rope is packed up under pulling auxiliary to the auxiliary afterbody attaching parts and is aimed under the arm head attaching parts, under the auxiliary afterbody under attaching parts and the arm head attaching parts hinged through horizontally hinged; Steel rope is packed up the pulling auxiliary and is turned to auxiliary upper connector and arm head upper connector on time around horizontally hinged axle, and auxiliary afterbody upper connector is connected with the arm head upper connector.
6. crane subsidiary arm erecting equipment according to claim 5; It is characterized in that; The top of said auxiliary is provided with second Hanging roller that is in same perpendicular with head pulley; Under the auxiliary afterbody under attaching parts and the arm head attaching parts horizontally hinged after, steel rope is walked around said head pulley and said second Hanging roller, and connects the arm point of said auxiliary.
7. crane subsidiary arm erecting equipment according to claim 6; It is characterized in that also having the guiding steel wire rope, the bottom of said auxiliary afterbody is provided with otic placode; The end connecting shackle of steel rope, said guiding steel wire rope passes said otic placode and is hung on the said suspension hook.
8. according to each crane subsidiary arm erecting equipment of claim 5 to 7; It is characterized in that; Attaching parts is respectively arm head axle and following arm head axle under said arm head upper connector and the said arm head; Said arm head axle and the said arm head axle horizontal down gone up is provided with and extends to the arm head both sides, saidly goes up the arm head axle and the said cross section of arm head axle down be a circle; Attaching parts is for connecing fork and down connect fork under said arm tail upper connector and the said arm tail on being respectively, and connects fork and connects the both sides that fork all is positioned at said auxiliary afterbody said time on said; Connect fork on both sides said and be stuck in respectively and coorespondingly saidly go up arm head axle and said arm head axle down with the said fork that connects down, and connect on said fork and said under connect the end of pitching bifurcated and all fix through bearing pin.
9. crane subsidiary arm erecting equipment according to claim 8 is characterized in that, said the first Hanging roller is removably installed in the principal arm arm head.
10. crane subsidiary arm erecting equipment according to claim 9 is characterized in that, said steel rope and said elevator are respectively steel rope and the secondary elevator in the hoisting crane auxiliary hoisting mechanism.
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| CN2011103468113A CN102381641A (en) | 2011-11-04 | 2011-11-04 | Crane auxiliary arm mounting equipment and crane auxiliary arm mounting method |
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| CN2011103468113A CN102381641A (en) | 2011-11-04 | 2011-11-04 | Crane auxiliary arm mounting equipment and crane auxiliary arm mounting method |
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Cited By (7)
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| CN102887441A (en) * | 2012-09-25 | 2013-01-23 | 中联重科股份有限公司 | Gooseneck boom frame self-loading and unloading device for crane and crane |
| CN102897677A (en) * | 2012-09-24 | 2013-01-30 | 三一重工股份有限公司 | Crane fly jib self-assembly and disassembly device and method, as well as crane |
| CN103058075A (en) * | 2012-12-26 | 2013-04-24 | 三一重工股份有限公司 | Retrieving method for fly jib of crane and retrieving apparatus for fly jib |
| CN109319670A (en) * | 2018-12-18 | 2019-02-12 | 徐工集团工程机械有限公司 | Crane arm and hoisting machinery |
| CN112225092A (en) * | 2020-12-15 | 2021-01-15 | 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 |
| CN112811329A (en) * | 2021-02-04 | 2021-05-18 | 浙江三一装备有限公司 | Crane auxiliary arm installation method and crane |
| CN113135511A (en) * | 2021-04-29 | 2021-07-20 | 徐州重型机械有限公司 | Main arm, crane and method for retracting auxiliary arm of crane |
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| CN102897677A (en) * | 2012-09-24 | 2013-01-30 | 三一重工股份有限公司 | Crane fly jib self-assembly and disassembly device and method, as well as crane |
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| CN102887441A (en) * | 2012-09-25 | 2013-01-23 | 中联重科股份有限公司 | Gooseneck boom frame self-loading and unloading device for crane and crane |
| CN103058075A (en) * | 2012-12-26 | 2013-04-24 | 三一重工股份有限公司 | Retrieving method for fly jib of crane and retrieving apparatus for fly jib |
| CN109319670A (en) * | 2018-12-18 | 2019-02-12 | 徐工集团工程机械有限公司 | Crane arm and hoisting machinery |
| CN112225092A (en) * | 2020-12-15 | 2021-01-15 | 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 |
| 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 |
| CN112811329A (en) * | 2021-02-04 | 2021-05-18 | 浙江三一装备有限公司 | Crane auxiliary arm installation method and crane |
| CN113135511A (en) * | 2021-04-29 | 2021-07-20 | 徐州重型机械有限公司 | Main arm, crane and method for retracting auxiliary arm of crane |
| CN113135511B (en) * | 2021-04-29 | 2024-05-14 | 徐州重型机械有限公司 | Main arm, crane and auxiliary arm retraction method of crane |
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Application publication date: 20120321 |