CN205312925U - Hydraulic luffing formula swing arm tower machine - Google Patents

Hydraulic luffing formula swing arm tower machine Download PDF

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Publication number
CN205312925U
CN205312925U CN201620095936.1U CN201620095936U CN205312925U CN 205312925 U CN205312925 U CN 205312925U CN 201620095936 U CN201620095936 U CN 201620095936U CN 205312925 U CN205312925 U CN 205312925U
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China
Prior art keywords
hydraulic
tower
arm
movable arm
tower crane
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Active
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CN201620095936.1U
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Chinese (zh)
Inventor
康与宙
靳义新
罗建峰
毛瑞年
张继森
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SHANDONG DAHAN CONSTRUCTION MACHINERY CO Ltd
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SHANDONG DAHAN CONSTRUCTION MACHINERY CO Ltd
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Priority to CN201620095936.1U priority Critical patent/CN205312925U/en
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Abstract

The utility model discloses a hydraulic luffing formula swing arm tower machine, including the body of the tower, install the excessive festival on the body of the tower, the excessive festival is connected with lower revolving stage, lower revolving stage passes through slewing bearing and is connected with last revolving stage, rotation mechanism, hoisting mechanism and hydraulic system are installed to the bench of rotateing upward, it is connected with the rotation of cubic arm to go up the revolving stage, the four directions arm is connected with hydraulic system, four directions arm one end is installed balanced heavyly, and the other end is connected with the davit. Through design rotation mechanism, hoisting mechanism and hydraulic system, realize two rotations of davit in the space, realize that two of lifting hook rotate a translation, it is balanced heavy through design on cubic arm, make the davit remain the torque balance that the davit received throughout when becoming the width of cloth to make the swing arm tower machine stability more of this application.

Description

A kind of hydraulic luffing formula movable arm tower crane
Technical field
This utility model relates to derrick crane technical field, particularly relates to a kind of hydraulic luffing formula movable arm tower crane.
Background technology
Arm tower crane is as the development of lifting industry and produces, and movable arm tower crane can luffing because of it, it is possible to when well solving construction, large arm enters the problem in other people territorial sky, is therefore widely used.
But existing movable arm tower crane there is also many deficiencies in actual use, for instance existing movable arm tower crane adopts more complicated mechanism to realize when realizing large arm and facing upward and bow luffing mostly, complicated operation is relatively costly; Also have existing movable arm tower crane to be easy to disequilibrium when luffing, cause tower crane fluctuation of service, the balance of tower body have to be reached sometimes for the balance reaching tower crane by large-tonnage counterweight.
Although someone is Patents with regard to movable arm tower crane Problems existing application, but still exist a lot of not enough, complicated as the movable arm tower crane superstructure introduced in Chinese patent CN102491207A " arm tower crane ", make loaded down with trivial details and its be by rope traction large arm pitching luffing, along with the change of jib center of gravity in amplitude changing process, the balance of tower body have to be reached by large-tonnage counterweight, but in order to reach suitable trimming moment, ensure the safety of tower body under different operating mode, the materials'use amount of tower body certainly will be increased, thus adding the cost of complete machine. Existing counterweight movement mechanism movable arm tower crane such as Chinese patent CN101357741A " movable arm variation-amplitude column crane counterweight automatic synchronization travel mechanism " needs to increase an a series of auxiliary device such as parallel four-bar linkage and transiting rod, it designs and produces also more complicated, and balance weight is all very inconvenient in the dismounting balance weight mounted below of postbrachium.
Utility model content
This utility model purpose is contemplated to solve the problems referred to above, propose a kind of hydraulic luffing formula movable arm tower crane, for the deficiency that existing movable arm tower crane exists in actual use, use Modern mechanical design theoretical and theory, the movable arm tower crane of the application the basis of existing movable arm tower crane carries out Curve guide impeller, so that can meet user's request further.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of hydraulic luffing formula movable arm tower crane, including tower body; Described tower body is provided with excessive joint; Described excessive joint is connected with lower turntable; Described lower turntable is connected with upper turntable by pivoting support; Described upper turntable is provided with slew gear, lifting mechanism and hydraulic system; Described upper turntable is rotationally connected with four directions arm; Described four directions arm is connected with hydraulic system; Arm one end, described four directions is provided with balance weight, and the other end is connected with arm.
Described tower body is connected in sequence by high-strength bolt by some tower bodies joint,
It is fixed on reinforced concrete foundation by foundation bolt bottom described tower body.
Described tower body is also equipped with jacking stock; Described jacking stock is enclosed within the tower body joint of tower body.
Described jacking stock connects bearing pin by four and is connected with four support ears of the upper welding of excessively joint.
Described lifting mechanism includes drive motor; Described drive motor is connected to runner; Described runner is connected to hoist rope; Described hoist rope is connected with suspension hook by the assembly pulley on arm.
Described hydraulic system includes hydraulic electric motor; Described motor is connected with oil pump; Described oil pump inlet is connected with fuel tank; Described oil delivery side of pump is connected with hydraulic cylinder; Described hydraulic cylinder is directly connected with fuel tank by flowline.
Described slew gear includes turning motor, and described turning motor is connected with rotating shaft by gear.
On described upper turntable, design has operating room; In described operating room, controller is installed; Described controller is connected with drive motor, hydraulic electric motor and drive motor respectively, for controlling the start-stop of drive motor, hydraulic electric motor and drive motor.
Described balance weight is fixed on the arm of four directions.
The beneficial effects of the utility model are:
This utility model is a kind of hydraulic luffing formula movable arm tower crane, by designing slew gear, lifting mechanism and hydraulic system, it is achieved the arm two rotations in space, it is achieved the two rotation-translation of suspension hook; By design balance weight on the arm of four directions, arm is made to remain the torque balance suffered by arm when luffing, so that the movable arm tower crane of the application is more stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of movable arm tower crane of the present invention;
Fig. 2 is the partial enlarged drawing of pivoting support of the present invention;
Fig. 3 is the partial enlarged drawing that the present invention excessively saves;
Fig. 4 is structural representation during movable arm tower crane luffing of the present invention;
Wherein, 1. reinforced concrete foundation, 2. foundation bolt, 3. tower body, 4. jacking stock, 5. excessively save, 6. play turntable, 7. pivoting support, 8. lifting mechanism, 9. hoist rope, 10. slew gear, turntable on 11., 12. hydraulic systems, 13. balance weight, 14. four directions arms, 15. operating rooms, 16. arms, 17. assembly pulley, 18. suspension hooks, 19. high-strength bolts, 20. tower body joints, 21. oil cylinder bearing pin, 22. connect bearing pin, 23. bearing pins, 24. support ears.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, this utility model is described further:
As shown in Figure 1 and Figure 4, a kind of hydraulic luffing formula movable arm tower crane, including tower body 3; Tower body 3 is provided with excessively joint 5; Excessively joint 5 is connected with lower turntable 6; Lower turntable 6 is connected with upper turntable 11 by pivoting support 7; Upper turntable 11 is provided with slew gear 10, lifting mechanism 8 and hydraulic system 12; Upper turntable 11 is rotationally connected with four directions arm 14; Four directions arm 14 is connected with hydraulic system 12;Arm 12 one end, four directions is provided with balance weight 13, and the other end is connected with arm 16.
Tower body 3 is saved 20 by some tower bodies and is connected in sequence by high-strength bolt 19,
It is fixed on reinforced concrete foundation 1 by foundation bolt 2 bottom tower body 3.
As in figure 2 it is shown, tower body 3 is also equipped with jacking stock 4; Jacking stock 4 is enclosed within the tower body joint 20 of tower body 3.
It is connected as it is shown on figure 3, jacking stock 4 connects bearing pin 22 by four with four support ears 24 of welding on excessively joint 5.
Lifting mechanism 8 includes drive motor; Described drive motor is connected to runner; Described runner is connected to hoist rope 9; Hoist rope 9 is connected with suspension hook 18 by the assembly pulley 17 on arm 16.
Hydraulic system 12 includes hydraulic electric motor; Motor is connected with oil pump; Oil pump inlet is connected with fuel tank; Oil delivery side of pump is connected with hydraulic cylinder; Hydraulic cylinder is directly connected with fuel tank by flowline.
Slew gear 10 includes turning motor, and turning motor is connected with rotating shaft by gear.
On upper turntable 11, design has operating room 15; In operating room 15, controller is installed; Controller is connected with drive motor, hydraulic electric motor and drive motor respectively, for controlling the start-stop of drive motor, hydraulic electric motor and drive motor.
Balance weight 13 is fixed on the arm 14 of four directions.
Detailed description of the invention of the present utility model is described in conjunction with accompanying drawing although above-mentioned; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection domain of the present utility model.

Claims (9)

1. a hydraulic luffing formula movable arm tower crane, is characterized in that, including tower body; Described tower body is provided with excessive joint; Described excessive joint is connected with lower turntable; Described lower turntable is connected with upper turntable by pivoting support; Described upper turntable is provided with slew gear, lifting mechanism and hydraulic system; Described upper turntable is rotationally connected with four directions arm; Described four directions arm is connected with hydraulic system; Arm one end, described four directions is provided with balance weight, and the other end is connected with arm.
2. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 1, is characterized in that, described tower body is connected in sequence by high-strength bolt by some tower bodies joint; It is fixed on reinforced concrete foundation by foundation bolt bottom described tower body.
3. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 2, is characterized in that, described tower body is also equipped with jacking stock; Described jacking stock is enclosed within the tower body joint of tower body.
4. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 3, is characterized in that, described jacking stock connects bearing pin by four and is connected with four support ears of the upper welding of excessively joint.
5. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 1, is characterized in that, described lifting mechanism includes drive motor; Described drive motor is connected to runner; Described runner is connected to hoist rope; Described hoist rope is connected with suspension hook by the assembly pulley on arm.
6. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 1, is characterized in that, described hydraulic system includes hydraulic electric motor; Described motor is connected with oil pump; Described oil pump inlet is connected with fuel tank; Described oil delivery side of pump is connected with hydraulic cylinder; Described hydraulic cylinder is directly connected with fuel tank by flowline.
7. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 1, is characterized in that, described slew gear includes turning motor, and described turning motor is connected with rotating shaft by gear.
8. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 1, is characterized in that, on described upper turntable, design has operating room; In described operating room, controller is installed; Described controller is connected with drive motor, hydraulic electric motor and drive motor respectively.
9. a kind of hydraulic luffing formula movable arm tower crane as claimed in claim 1, is characterized in that, described balance weight is fixed on the arm of four directions.
CN201620095936.1U 2016-01-29 2016-01-29 Hydraulic luffing formula swing arm tower machine Active CN205312925U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620095936.1U CN205312925U (en) 2016-01-29 2016-01-29 Hydraulic luffing formula swing arm tower machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620095936.1U CN205312925U (en) 2016-01-29 2016-01-29 Hydraulic luffing formula swing arm tower machine

Publications (1)

Publication Number Publication Date
CN205312925U true CN205312925U (en) 2016-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620095936.1U Active CN205312925U (en) 2016-01-29 2016-01-29 Hydraulic luffing formula swing arm tower machine

Country Status (1)

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CN (1) CN205312925U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105502176A (en) * 2016-01-29 2016-04-20 山东大汉建设机械股份有限公司 Hydraulic luffing-type cantilever tower crane
IT201700027467A1 (en) * 2017-03-13 2018-09-13 Eng Cranes Srl Tower crane

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105502176A (en) * 2016-01-29 2016-04-20 山东大汉建设机械股份有限公司 Hydraulic luffing-type cantilever tower crane
IT201700027467A1 (en) * 2017-03-13 2018-09-13 Eng Cranes Srl Tower crane
EP3375747A1 (en) * 2017-03-13 2018-09-19 Eng Cranes SRL Tower crane

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