CN207108310U - Boom system and crane - Google Patents

Boom system and crane Download PDF

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Publication number
CN207108310U
CN207108310U CN201721016755.6U CN201721016755U CN207108310U CN 207108310 U CN207108310 U CN 207108310U CN 201721016755 U CN201721016755 U CN 201721016755U CN 207108310 U CN207108310 U CN 207108310U
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CN
China
Prior art keywords
principal arm
auxiliary
arm
jib lubbing
lubbing mechanism
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Active
Application number
CN201721016755.6U
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Chinese (zh)
Inventor
赵瑞学
周亮
李向鹏
王涛
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Xuzhou Heavy Machinery Co Ltd
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Xuzhou Heavy Machinery Co Ltd
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Priority to CN201721016755.6U priority Critical patent/CN207108310U/en
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Publication of CN207108310U publication Critical patent/CN207108310U/en
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Abstract

A kind of boom system and crane are the utility model is related to, wherein, boom system includes base, principal arm, auxiliary, the first jib lubbing mechanism and the second jib lubbing mechanism;First jib lubbing mechanism drive connection is in principal arm, first jib lubbing mechanism can drive principal arm to rotate withdrawal forward relative to base and be positioned over above base, for second jib lubbing mechanism drive connection in auxiliary, the second jib lubbing mechanism can drive auxiliary to withdraw the top for being positioned over principal arm relative to principal arm back rotation.The utility model can make principal arm and auxiliary positioned at lifting position by the first jib lubbing mechanism and the second jib lubbing mechanism;Principal arm can also withdrawn to be positioned over above base, auxiliary withdrawal is positioned over above principal arm, is transported, and without pulling down auxiliary, reduces cost of transportation, again can be after construction site is reached, it is not necessary to auxiliary is installed using auxiliary vehicle, reduces the installation cost of auxiliary;Also, principal arm and auxiliary withdrawal are oversize not over outside car body, can balance the axle load of whole car body, improve the security of traveling.

Description

Boom system and crane
Technical field
It the utility model is related to engineering machinery field, more particularly to a kind of boom system and crane.
Background technology
Growing with engineering machinery, market competition is growing more intense, and in order to obtain higher income, lifts product Competitiveness, the transport of crane and use cost are also to weigh the good and bad key factor of crane.
As shown in figure 1, the boom system of existing crane includes principal arm 1 ', auxiliary 2 ', luffing lifting mechanism 3 ', assembly pulley 4 ', fore-stock 6 ', after-poppet 7 ', the first arm-tie 8 ', the second arm-tie 9 ' and amplitude oil cylinder 12 '.The first end of principal arm 1 ' is located at The turntable of heavy-duty machine, the first end of the second end connection auxiliary 2 ' of principal arm 1 ', the first end of fore-stock 6 ' and the first of after-poppet 7 ' End is all connected with the first end of auxiliary 2 ', and the second end of fore-stock 6 ' connects the second end of after-poppet 7 ' by the first arm-tie 8 ', preceding Second end of support 6 ' connects the second end of auxiliary 2 ' by the second arm-tie 9 '.Assembly pulley 4 ' is located at after-poppet 7 ', luffing raising Mechanism 3 ' is arranged on upper dress turntable, and among balance weight, luffing lifting mechanism 3 ' connects assembly pulley 4 ' by steel wire rope 5 '. Lifting driver's cabin 10 ' is located at chassis forefront positioned at upper side of the dress turntable away from traveling driver's cabin 11 ', traveling driver's cabin 11 ' (consistent with the forward direction of crane normally travel state).Luffing lifting mechanism 3 ' is relative to principal arm 1 ' close to traveling driver's cabin 11’.The first end of amplitude oil cylinder 12 ' is articulated with the turntable in the front of lifting driver's cabin 10 ' (with crane normally travel state Forward direction it is opposite), the second end of amplitude oil cylinder 12 ' is articulated with principal arm 1 '.
During crane hanging component operation, operation amplitude oil cylinder 12 ' makes the luffing of principal arm 1 ' be upwardly into certain angle, and then operation becomes Width lifting mechanism 3 ' rotates, and makes wirerope-winding on luffing lifting mechanism 3 ', and steel wire rope 5 ' props up after being pulled by assembly pulley 4 ' Frame 7 ' rotates to the rear side of principal arm 1 ', by the connection of the first arm-tie 8 ', fore-stock 6 ', the second arm-tie 9 ' and auxiliary 2 ', pulls secondary Second end of arm 2 ' is moved upwards, realizes lifting.
In the boom system of above-mentioned crane, auxiliary 2 ' is arranged on the second end of principal arm 1 ', before lifting driver's cabin 10 ' The part in face (opposite with the forward direction of crane normally travel state) is oversize, and the weight of auxiliary 2 ' is big, is connected to principal arm Behind 1 ' the second end, the axle load of crane portion vehicle bridge will become very big, and upper road traveling is dangerous, therefore, in order to avoid axle load Uneven and overlength restrictive condition, upper road need auxiliary 2 ' to remove before travelling, transported auxiliary 2 ' to work using wooden handcart Make place, reuse auxiliary vehicle and sling auxiliary 2 ' installed in the second end of principal arm 1 ', carry out lifting operation, cause vehicle Transport and installation cost increase, and reduce the competitiveness of product.
The technical term that the utility model is related to is explained below.
Auxiliary:Structure is truss arm or box arm, is connected at the arm head of main arm of crane, for lift crane operation Highly.
Luffing lifting mechanism:It is made up of luffing elevator and respective holder, by the rotation of luffing elevator, pulls steel wire rope Auxiliary, realize auxiliary luffing.
Assembly pulley:It is made up of multiple pulleys, by the connection of multiple pulleys, the pulling force acted on auxiliary can be reduced.
Axle load:The load acted in vehicle bridge.
Utility model content
The purpose of this utility model is to propose a kind of boom system and crane, wherein, boom system can reduce transport Cost, improve the security of transport.
To achieve the above object, the utility model provides a kind of boom system, and it includes base, principal arm, auxiliary, first Jib lubbing mechanism and the second jib lubbing mechanism;The first jib lubbing mechanism drive connection is in the principal arm, the first jib lubbing mechanism energy Enough drive the principal arm to rotate withdrawal forward relative to the base to be positioned over above the base, second jib lubbing mechanism drives Dynamic to be connected to the auxiliary, second jib lubbing mechanism can drive the auxiliary to be withdrawn relative to the principal arm back rotation and put It is placed in the top of the principal arm.
One preferably or in alternative embodiment, the first end of the principal arm is articulated with the base, and the second of the principal arm End is articulated with the first end of the auxiliary, and the second end of the auxiliary is used to lift;The first end of first jib lubbing mechanism connects The base is connected to, the second end of first jib lubbing mechanism is connected to the principal arm;And the first of first jib lubbing mechanism End is positioned at the front of the first end of the principal arm.
One preferably or in alternative embodiment, first jib lubbing mechanism includes the first oil cylinder, and the of first oil cylinder One end is articulated with the base, and the second end of first oil cylinder is articulated with the principal arm.
One preferably or in alternative embodiment, the first end of second jib lubbing mechanism is connected to the principal arm, and described the Second end of two jib lubbing mechanisms is connected to the auxiliary.
One preferably or in alternative embodiment, second jib lubbing mechanism includes first support, the second oil cylinder and lifting machine Structure, the first support are connected to the principal arm, and second hydraulic oil cylinder driving is connected to the first support, can drive described First support is located at the first support relative to the principal arm stretching/withdrawal, the lifting mechanism, and the lifting mechanism passes through Steel wire rope is connected to the lifting end of the auxiliary.
One preferably or in alternative embodiment, the first end of second oil cylinder is articulated with the principal arm, second oil Second end of cylinder is articulated with the first support, and the first end of the first support is articulated with the principal arm.
One preferably or in alternative embodiment, the principal arm includes basic arm and multi-stage telescopic arms, the first support First end is articulated with the end of the basic arm.
One preferably or in alternative embodiment, second jib lubbing mechanism includes the first arm-tie, and the of first arm-tie One end is articulated with the principal arm, and the second end of first arm-tie is articulated with the first support.
One preferably or in alternative embodiment, second jib lubbing mechanism includes second support, assembly pulley and the second arm-tie, The second support is connected to the principal arm, and the second support is connected to the auxiliary, the cunning by second arm-tie Wheel is mounted on the second support, and the steel wire rope of the lifting mechanism bypasses the assembly pulley.
One preferably or in alternative embodiment, the first end of the second support is articulated with the principal arm, and described second draws The first end of plate is articulated with the second support, and the second end of second arm-tie is connected to the lifting end of the auxiliary.
One preferably or in alternative embodiment, the principal arm includes basic arm and multi-stage telescopic arms, the second support First end is articulated with the end of telescopic arm described in final section.
One preferably or in alternative embodiment, second jib lubbing mechanism also includes the 3rd oil cylinder, the 3rd oil cylinder First end is articulated with the auxiliary, and the second end of the 3rd oil cylinder is articulated with the second support.
One preferably or in alternative embodiment, boom system includes positioner, and institute is driven in first jib lubbing mechanism State principal arm relative to the base rotation to perpendicular to the base when, the positioner is used for the principal arm and the bottom Seat positioning.
To achieve the above object, the utility model provides a kind of crane, and it includes the arm in any of the above-described embodiment Frame system.
One preferably or in alternative embodiment, crane includes traveling driver's cabin and lifting driver's cabin, and the traveling drives Room and the lifting driver's cabin are located at the both ends of the crane, the connection end of first jib lubbing mechanism and the base respectively Relative to the connection end of the principal arm and the base close to the traveling driver's cabin.
Based on above-mentioned technical proposal, the utility model at least has the advantages that:
The boom system that the utility model embodiment provides, can make master by the first jib lubbing mechanism and the second jib lubbing mechanism Arm and auxiliary are lifted positioned at lifting position;Withdraw can also by the first jib lubbing mechanism and the second jib lubbing mechanism principal arm to put It is placed in above base, auxiliary, which is withdrawn, to be positioned over above principal arm, is transported, and without pulling down auxiliary, reduces cost of transportation, again Can be after construction site be reached, it is not necessary to using auxiliary vehicle installation auxiliary, by jib lubbing mechanism with regard to that can be in auxiliary luffing Position is lifted, reduces transport and the installation cost of auxiliary;Also, principal arm and auxiliary withdrawal are oversize not over outside car body, can The axle load of whole car body is balanced, improves the security of traveling.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms one of the present utility model Point, schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model Improper restriction.In the accompanying drawings:
Fig. 1 is the schematic diagram of the boom system of existing hoister in large tonnage;
Fig. 2 is the schematic diagram for the boom system retracted state that the utility model embodiment provides;
Fig. 3 is the schematic diagram for the preliminary deployed condition of boom system that the utility model embodiment provides;
Fig. 4 is the schematic diagram for the boom system its fully unfolded position that the utility model embodiment provides.
Label in accompanying drawing:
1 '-principal arm;2 '-auxiliary;3 '-luffing lifting mechanism;4 '-assembly pulley;5 '-steel wire rope;6 '-fore-stock;7 '-prop up afterwards Frame;8 '-the first arm-ties;9 '-the second arm-ties;10 '-lifting driver's cabin;11 '-traveling driver's cabin;12 '-amplitude oil cylinder;
1- bases;
2- principal arms;
3- auxiliarys;
The jib lubbing mechanisms of 4- first;
The jib lubbing mechanisms of 5- second;51- first supports;The oil cylinders of 52- second;53- lifting mechanisms;531- steel wire ropes;54- first Arm-tie;55- second supports;56- assembly pulleys;The arm-ties of 57- second;The oil cylinders of 58- the 3rd;
6- travels driver's cabin;
7- lifting driver's cabins.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is carried out clear, complete Ground describes.Obviously, described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments. Based on embodiment of the present utility model, institute that those of ordinary skill in the art are obtained under the premise of creative work is not made There is other embodiment, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality The limitation of novel protected scope.
It should be noted that " preceding " in the utility model refers to the normally travel direction of crane, " rear " refers to crane Normally travel direction it is reverse, or, traveling driver's cabin is set at crane both ends and during lifting driver's cabin, " preceding " refers to from Weight driver's cabin refers to from traveling driver's cabin to the direction of lifting driver's cabin to the direction of traveling driver's cabin, " rear ".
As shown in figs. 2 to 4, it is the illustrative examples of boom system provided by the utility model, in the schematic implementation In example, boom system includes base 1, principal arm 2, auxiliary 3, the first jib lubbing mechanism 4 and the second jib lubbing mechanism 5.
For the drive connection of first jib lubbing mechanism 4 in principal arm 2, the first jib lubbing mechanism 4 is used to driving principal arm 2 relative to 1 turn of base Dynamic luffing, the first jib lubbing mechanism 4 can drive principal arm 2 also relative to the rotation of base 1 positioned at lifting position, the first jib lubbing mechanism 4 Enough driving principal arm 2 rotates forward withdrawal relative to base 1 and is positioned over above base 1.
For the drive connection of second jib lubbing mechanism 5 in auxiliary 3, the second jib lubbing mechanism 5 is used to driving auxiliary 3 relative to 2 turns of principal arm Dynamic luffing, the second jib lubbing mechanism 5 can drive auxiliary 3 also relative to the rotation of principal arm 2 positioned at lifting position, the second jib lubbing mechanism 5 Enough auxiliary 3 is driven to withdraw the top for being positioned over principal arm 2 relative to the back rotation of principal arm 2.
The boom system that above-mentioned the utility model embodiment provides, can pass through the first jib lubbing mechanism 4 and the second luffing machine Structure 5 makes principal arm 2 and auxiliary 3 be in lifting position, is lifted;Also can be made by the first jib lubbing mechanism 4 and the second jib lubbing mechanism 5 Principal arm 2, which is withdrawn, is positioned over the top of base 1, and auxiliary 3, which is withdrawn, is positioned over the top of principal arm 2, is transported, without pulling down auxiliary 3, Cost of transportation is reduced, again can be after crane reaches construction site, it is not necessary to using auxiliary vehicle installation auxiliary 3, pass through luffing Mechanism just can make the luffing of auxiliary 3 be in lifting position, reduce transport and the installation cost of auxiliary 3;Also, principal arm 2 drives to traveling The direction of room 6 is rotated and withdrawn above base 1, and auxiliary 3 is rotated to the direction of lifting driver's cabin 7 and withdrawn above principal arm 2, will not make master Arm 2 and auxiliary 3 are oversize beyond lifting driver's cabin 7 and the part of the traveling phase departing direction of driver's cabin 6, can balance large-tonnage lifting The axle load of machine, improve the security of traveling, the competitiveness of lift crane.
The boom system that the utility model embodiment provides, the first end of principal arm 2 can be articulated with base 1, and the of principal arm 2 Two ends can be articulated with the first end of auxiliary 3, and the second end of auxiliary 3 is used to lift;The first end of first jib lubbing mechanism 4 can connect Base 1 is connected to, the second end of the first jib lubbing mechanism 4 can be connected to principal arm 2;And first jib lubbing mechanism 4 first end positioned at master The front of the first end of arm 2 (first end of the first jib lubbing mechanism 4 is relative to the first end of principal arm 2 close to traveling driver's cabin 6).
One preferably or in alternative embodiment, the first jib lubbing mechanism 4 can include the first oil cylinder, the first end of the first oil cylinder Base 1 can be articulated with, the second end of the first oil cylinder can be articulated with principal arm 2.
The boom system that the utility model embodiment provides, the first end of the second jib lubbing mechanism 5 can be connected to principal arm 2, Second end of the second jib lubbing mechanism 5 can be connected to auxiliary 3.
In the embodiment of above-mentioned boom system, the second jib lubbing mechanism 5 can include first support 51, the and of the second oil cylinder 52 Lifting mechanism 53, the first end of first support 51 can be connected to principal arm 2, and the second oil cylinder 52 can be with drive connection in first support 51, the second oil cylinder 52 can drive first support 51 to stretch out/withdraw relative to principal arm 2, and lifting mechanism 53 is located at first support 51 First end and the second end between position, lifting mechanism 53 be connected to by steel wire rope 531 auxiliary 3 lifting end (auxiliary 3 Arm head, and the second end of auxiliary 3).
One preferably or in alternative embodiment, the second jib lubbing mechanism 5 can include two first supports 51 and two second Oil cylinder 52, two first supports 51 are respectively arranged on the both sides of principal arm 2.Two first supports 51 correspond in one second oil cylinder 52 respectively Driving under can relative to principal arm 2 rotate stretch out, can also rotate withdraw positioned at principal arm 2 both sides.
One preferably or in alternative embodiment, the first end of the second oil cylinder 52 can be articulated with the first end of principal arm 2 and the Position between two ends, the second end of the second oil cylinder 52 are articulated with the position between the first end of first support 51 and the second end, The first end of first support 51 is articulated with principal arm 2.
Further, principal arm 2 can include basic arm and multi-stage telescopic arms, and the first end of first support 51 can be articulated with The second end of basic arm, the first end of basic arm are articulated with base 1.
In the embodiment of above-mentioned boom system, the second jib lubbing mechanism 5 can also include the first arm-tie 54, the first arm-tie 54 First end be articulated with the first end of principal arm 2, the second end of the first arm-tie 54 is articulated with the second end of first support 51.
In the embodiment of above-mentioned boom system, the second jib lubbing mechanism 5 can also include second support 55, the and of assembly pulley 56 Second arm-tie 57, second support 55 are connected to principal arm 2, and second support 55 is connected to auxiliary 3, assembly pulley 56 by the second arm-tie 57 Located at the second end of second support 55, the steel wire rope 531 of lifting mechanism 53 bypasses assembly pulley 56.The steel wire rope of lifting mechanism 53 After 531 are wrapped in lifting mechanism 53, stretch out certain length and return on lifting mechanism 53 and fix around assembly pulley 56.
One preferably or in alternative embodiment, the first end of second support 55 is articulated with the second end of principal arm 2, the second arm-tie 57 first end is articulated with the second end of second support 55, and the second end of the second arm-tie 57 is connected to the lifting end (auxiliary of auxiliary 3 3 arm head).
Further, principal arm 2 can include basic arm and multi-stage telescopic arms, and the first end of second support 55 is articulated with finally The end of one section telescopic arm.Or the first end of second support 55 is articulated with first end (the arm tail of auxiliary 3, the auxiliary 3 of auxiliary 3 Arm head be used for lift, for lifting portion).
In the embodiment of above-mentioned boom system, the second jib lubbing mechanism 5 can also include the 3rd oil cylinder 58, the 3rd oil cylinder 58 First end can be articulated with position between the first end of auxiliary 3 and the second end, the second end of the 3rd oil cylinder 58 is articulated with Position between the first end of two supports 55 and the second end.
In the embodiment of above-mentioned boom system, boom system can also include positioner, be driven in the first jib lubbing mechanism 4 When dynamic principal arm 2 is turned to perpendicular to base 1 relative to base 1, positioner is used to position principal arm 2 and base 1.
The operating method of boom system that the utility model embodiment provides is:
1) the first jib lubbing mechanism 4 of operation makes principal arm 2 be upwardly into certain angle luffing;2) operate again in the second jib lubbing mechanism 5 The second oil cylinder 52 driving first support 51 stretched out relative to principal arm 2;3) operation lifting mechanism 53 rotates, lay winding wire ropes 531, The rotate counterclockwise of second support 55 is pulled to be stretched out relative to principal arm 2 by assembly pulley 56;4) auxiliary 3 is driven by the second arm-tie 57 The upward luffing of arm head.
The boom system that the utility model embodiment provides can carry auxiliary 3 and transport, therefore be aided in also without using Vehicle installs auxiliary 3.
The boom system that the utility model embodiment provides is applied to crane, and be particularly suitable for use in hoister in large tonnage.
The utility model additionally provides a kind of illustrative examples of crane, in the illustrative examples, crane Including the boom system in any of the above-described embodiment.
Base 1 in boom system is fixed on the upper dress turntable of crane, or, the base 1 in boom system is set It is set to the upper dress turntable of crane.
The boom system that above-mentioned the utility model embodiment provides, it can include traveling driver's cabin 6 and lifting driver's cabin 7, the both ends of crane, the connection of the first jib lubbing mechanism 4 and base 1 can be located at respectively by travelling driver's cabin 6 and lifting driver's cabin 7 End is relative to the connection end of principal arm 2 and base 1 close to traveling driver's cabin 6.
The crane that the utility model embodiment provides can carry auxiliary 3, the counterclockwise rotates of principal arm 2 in motion It is positioned over above the frame of crane, auxiliary 3 is placed on the top of principal arm 2 after turning clockwise, and can be by auxiliary 3 and crane Afterbody connection, there is provided the security of crane running.
The crane that the utility model embodiment provides, the upside that auxiliary 3 is placed on to principal arm 2 is transported, avoided The limitation of crane overlength, while the weight of auxiliary 3 is assigned in all vehicle bridge of crane, balance the bridge of crane Lotus, avoid because axle load is uneven and lead to not traveling the problem of.
The utility model embodiment provide crane, by operate successively crane principal arm 2 and jib lubbing mechanism and rise Mechanism 53 is risen, realizes the luffing of auxiliary 3, and auxiliary 3 can be carried and transported, it is not necessary to using auxiliary vehicle installation auxiliary 3, is avoided Using the cost of auxiliary vehicle, more incomes are created for user, lift the competitiveness of product.
In description of the present utility model, it is to be understood that limited using the word such as " first ", " second ", " the 3rd " Determine parts, it is only for be easy to distinguish above-mentioned parts, such as there is no a Stated otherwise, above-mentioned word is not special Implication, therefore it is not intended that limitation to scope of protection of the utility model.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited System;Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should Understand:Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced Change;Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model Among scope.

Claims (15)

  1. A kind of 1. boom system, it is characterised in that:Including base (1), principal arm (2), auxiliary (3), the first jib lubbing mechanism (4) and Two jib lubbing mechanisms (5);First jib lubbing mechanism (4) drive connection is in the principal arm (2), the first jib lubbing mechanism (4) energy Enough drive the principal arm (2) to rotate withdrawal forward relative to the base (1) to be positioned over above the base (1), described second Jib lubbing mechanism (5) drive connection in the auxiliary (3), second jib lubbing mechanism (5) can drive the auxiliary (3) relative to Principal arm (2) back rotation withdraws the top for being positioned over the principal arm (2).
  2. 2. boom system as claimed in claim 1, it is characterised in that:The first end of the principal arm (2) is articulated with the base (1), the second end of the principal arm (2) is articulated with the first end of the auxiliary (3), and the second end of the auxiliary (3) is used to lift; The first end of first jib lubbing mechanism (4) is connected to the base (1), the second end connection of first jib lubbing mechanism (4) In the principal arm (2);And the first end of first jib lubbing mechanism (4) is located at the front of the first end of the principal arm (2).
  3. 3. boom system as claimed in claim 1, it is characterised in that:First jib lubbing mechanism (4) includes the first oil cylinder, institute The first end for stating the first oil cylinder is articulated with the base (1), and the second end of first oil cylinder is articulated with the principal arm (2).
  4. 4. boom system as claimed in claim 1, it is characterised in that:The first end of second jib lubbing mechanism (5) is connected to The principal arm (2), the second end of second jib lubbing mechanism (5) are connected to the auxiliary (3).
  5. 5. boom system as claimed in claim 1, it is characterised in that:Second jib lubbing mechanism (5) includes first support (51), the second oil cylinder (52) and lifting mechanism (53), the first support (51) are connected to the principal arm (2), second oil Cylinder (52) drive connection can drive the first support (51) to be stretched relative to the principal arm (2) in the first support (51) Go out/withdraw, the lifting mechanism (53) is located at the first support (51), and the lifting mechanism (53) passes through steel wire rope (531) It is connected to the lifting end of the auxiliary (3).
  6. 6. boom system as claimed in claim 5, it is characterised in that:The first end of second oil cylinder (52) is articulated with described Principal arm (2), the second end of second oil cylinder (52) are articulated with the first support (51), and the first of the first support (51) End is articulated with the principal arm (2).
  7. 7. boom system as claimed in claim 6, it is characterised in that:The principal arm (2) includes basic arm and multi-stage telescopic arms, The first end of the first support (51) is articulated with the end of the basic arm.
  8. 8. boom system as claimed in claim 5, it is characterised in that:Second jib lubbing mechanism (5) includes the first arm-tie (54), the first end of first arm-tie (54) is articulated with the principal arm (2), and the second end of first arm-tie (54) is articulated with The first support (51).
  9. 9. boom system as claimed in claim 5, it is characterised in that:Second jib lubbing mechanism (5) includes second support (55), assembly pulley (56) and the second arm-tie (57), the second support (55) are connected to the principal arm (2), the second support (55) auxiliary (3) being connected to by second arm-tie (57), the assembly pulley (56) is located at the second support (55), The steel wire rope (531) of the lifting mechanism (53) bypasses the assembly pulley (56).
  10. 10. boom system as claimed in claim 9, it is characterised in that:The first end of the second support (55) is articulated with institute State principal arm (2), the first end of second arm-tie (57) is articulated with the second support (55), and the of second arm-tie (57) Two ends are connected to the lifting end of the auxiliary (3).
  11. 11. boom system as claimed in claim 10, it is characterised in that:The principal arm (2) includes basic arm and multi-joint telescoping Arm, the first end of the second support (55) are articulated with the end of telescopic arm described in final section.
  12. 12. boom system as claimed in claim 9, it is characterised in that:Second jib lubbing mechanism (5) also includes the 3rd oil cylinder (58), the first end of the 3rd oil cylinder (58) is articulated with the auxiliary (3), and the second end of the 3rd oil cylinder (58) is articulated with The second support (55).
  13. 13. boom system as claimed in claim 1, it is characterised in that:Including positioner, in first jib lubbing mechanism (4) when the driving principal arm (2) is turned to perpendicular to the base (1) relative to the base (1), the positioner is used for The principal arm (2) and the base (1) are positioned.
  14. A kind of 14. crane, it is characterised in that:Including the boom system as described in any one of claim 1~13.
  15. 15. crane as claimed in claim 14, it is characterised in that:Including travelling driver's cabin (6) and lifting driver's cabin (7), The traveling driver's cabin (6) and the lifting driver's cabin (7) are located at the both ends of the crane, first jib lubbing mechanism respectively (4) connection end with the base (1) is driven relative to the connection end of the principal arm (2) and the base (1) close to the traveling Sail room (6).
CN201721016755.6U 2017-08-15 2017-08-15 Boom system and crane Active CN207108310U (en)

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Application Number Priority Date Filing Date Title
CN201721016755.6U CN207108310U (en) 2017-08-15 2017-08-15 Boom system and crane

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Application Number Priority Date Filing Date Title
CN201721016755.6U CN207108310U (en) 2017-08-15 2017-08-15 Boom system and crane

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108821137A (en) * 2018-07-06 2018-11-16 陈荣乾 A kind of wind power generating set lifting head mast device of stable support
CN109467016A (en) * 2018-12-29 2019-03-15 徐州重型机械有限公司 Crane

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108821137A (en) * 2018-07-06 2018-11-16 陈荣乾 A kind of wind power generating set lifting head mast device of stable support
CN108821137B (en) * 2018-07-06 2020-02-11 国核电力规划设计研究院重庆有限公司 Wind generating set hoist and mount tower crane device of stable support
CN109467016A (en) * 2018-12-29 2019-03-15 徐州重型机械有限公司 Crane

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