CN101723260A - Superlift device for telescopic boom and telescopic boom type crane - Google Patents

Superlift device for telescopic boom and telescopic boom type crane Download PDF

Info

Publication number
CN101723260A
CN101723260A CN200810173021A CN200810173021A CN101723260A CN 101723260 A CN101723260 A CN 101723260A CN 200810173021 A CN200810173021 A CN 200810173021A CN 200810173021 A CN200810173021 A CN 200810173021A CN 101723260 A CN101723260 A CN 101723260A
Authority
CN
China
Prior art keywords
support
telescopic boom
basic arm
hinged
take
Prior art date
Application number
CN200810173021A
Other languages
Chinese (zh)
Other versions
CN101723260B (en
Inventor
单增海
李恩全
张海燕
曹立峰
刘邦才
Original Assignee
徐州重型机械有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 徐州重型机械有限公司 filed Critical 徐州重型机械有限公司
Priority to CN2008101730218A priority Critical patent/CN101723260B/en
Publication of CN101723260A publication Critical patent/CN101723260A/en
Application granted granted Critical
Publication of CN101723260B publication Critical patent/CN101723260B/en

Links

Abstract

The invention discloses a superlift device for a telescopic boom, which comprises at least one bracket, a first tensioning device and a second tensioning device. The fixed end of the bracket is connected with the basic boom of a telescopic boom type crane; the first tensioning device is arranged between the movable end of the bracket and the outer end part of an arbitrary telescopic boom of the telescopic boom type crane; and the second tensioning device is arranged between the movable end of the bracket and the root of the basic boom. The stressed state of the telescopic boom is obviously improved, the flexivity of a boom bracket is obviously reduced under identical operation condition, and the performance indexes of the telescopic boom, such as the lifting tonnage, the operational height and amplitude and the like, are greatly improved. Preferably, the number of the brackets, derricking cylinders, the first tensioning devices and the second tensioning devices is respectively two, and the brackets, the derricking cylinders, the first tensioning devices and the second tensioning devices are divided into two groups and are symmetrically arranged on two sides of the basic boom of the telescopic boom type crane, so as to realize the self-assembly operation of the superlift device. The invention also discloses a telescopic boom type crane with the superlift device.

Description

Telescopic boom is with super lifting device and telescopic boom hoisting crane

Technical field

The present invention relates to a kind of telescopic boom hoisting crane, be specifically related to telescopic boom with super lifting device and telescopic boom hoisting crane.

Background technology

The telescopic boom hoisting crane with its flexible operation, with to hang, with hanging with the advantage of walking, in engineer operation, obtained widely using.Along with the large scale development of construction project, for every performance figure of telescopic boom hoisting crane higher requirement has been arranged also, such as: lifting tonnage, operating altitude and amplitude etc.

As everyone knows, improve performance figure such as lifting tonnage, operating altitude and amplitude, the brachium of crane arm and deadweight can be increasing thereupon, and on goliath, the weight of crane arm often accounts for more than 23% of complete machine weight.Thing followed problem is, hoisting crane brachium, the increase that arm is heavy will make when hanging loads the stressing conditions of jib more and more abominable, and the amount of deflection (be vertical amount of deflection and the transverse deflection of jib) of jib in luffing plane and plane of rotation is increasing.Excessive for fear of the jib amount of deflection, must control gross load; Like this, the total arm length of hoisting crane, lifting altitude and the maximum liter weight that rises all have been subjected to serious restriction.

In view of this, need to be resolved hurrily jib load state and effectively improve the problem of mutual restriction between the performance figure such as telescopic arm crane lifting tonnage, operating altitude and amplitude.

In addition, along with hoisting crane more and more develops to the maximization direction, himself weight is more and more big, restriction based on the axle load national standard, large-scale wheel crane only carries the most basic apparatus for work at general motoring condition, other devices all will pass through other vehicular transport, therefore, in order to guarantee the characteristics that can shift and enter operating condition fast of wheel crane, the problem that solves mutual restriction between jib load state and the performance figure also needs to further consider dismounting, stack-mounted performance voluntarily, to save construction cost.

Summary of the invention

At above-mentioned defective, the technical matters that the present invention solves is, a kind of super lifting device that is used for telescopic boom is provided, to improve the performance figure such as the tonnage that hoists, operating altitude and amplitude of telescopic boom.The present invention also provides a kind of hoisting crane with this super lifting device.

The super lifting device that is used for the telescopic boom hoisting crane provided by the invention comprises at least one support, first take-up device and second take-up device; The fixed end of described support is connected with the basic arm of telescopic boom hoisting crane; Described first take-up device is arranged between the outer end of the movable end of described support and the arbitrary telescopic boom of described telescopic arm crane; Described second take-up device is arranged between the root of the movable end of described support and described basic arm.

Preferably, also comprise amplitude oil cylinder, described amplitude oil cylinder is arranged between described support and the described basic arm; And the fixed end and the basic arm of described support are hinged, and the flexible of described amplitude oil cylinder makes described support swing in perpendicular around its fixed end.

Preferably, described support, amplitude oil cylinder, first take-up device and second take-up device are respectively two, and are divided into two groups and be symmetricly set on the both sides of the basic arm of telescopic boom hoisting crane.

Preferably, be equipped with side between two supports and the described basic arm and open oil cylinder, described side is opened the flexible of oil cylinder makes that described support all can be around its fixed end rolling to each side to described basic arm.

The angular range of described support side oscillation outside described basic arm is 0 °~45 °.

Preferably, also comprise two first hinged attached seats and two second hinged attached seats; Described two first hinged attached seats are fixedly installed on the both sides of described basic arm respectively; Described two second hinged attached seats are hinged with two first hinged attached seats respectively, the described second hinged attached seat can rotate in erectting the plane with respect to the first hinged attached seat, and the fixed end of described two supports is hinged with two second hinged attached seats respectively, and described support can rotate to the outside of described basic arm with respect to the second hinged attached seat.

Preferably, described first take-up device comprises elevator and is wound in stay cord on this elevator, and wherein, the external part that described elevator is fixedly installed on the free end of described support, described stay cord is captiveed joint with the outer end of arbitrary telescopic boom; Or the outer end that the external part of described stay cord is captiveed joint with the free end of described support, described elevator is fixedly installed on arbitrary telescopic boom.

Preferably, described first take-up device also comprise tensioning hydro-cylinder and with the co-axially fixed ratchet of the reel of described elevator, described tensioning hydro-cylinder is arranged between described ratchet and the elevator fixed parts, and described tensioning hydro-cylinder promotes the ratchet of described ratchet when stretching out, to strain described stay cord.

Preferably, described second take-up device is a pull bar; Described pull bar comprises the first bar section that is articulated in described support movable end, and the second bar section that is articulated in described basic arm root, and the described first bar section and the second bar section are hinged.

The present invention also provides a kind of telescopic boom hoisting crane, comprises foregoing super lifting device.

At the lift heavy operating condition, the operating attitude of described support is perpendicular with the basic arm of telescopic arm crane substantially.As everyone knows, weight is being to cause the bigger major cause of telescopic arm crane jib amount of deflection perpendicular to the component on the downward direction of described telescopic boom (being shear direction), first take-up device in the technical solution of the present invention and second take-up device act on tractive component on the telescopic boom by support, but the moment of flexure that weight equalizer produces at the jib arm head.Therefore, the strained condition of telescopic boom be improved significantly, the amount of deflection of jib significantly reduces under the equal operation operating mode, has improved the performance figure such as the tonnage that hoists, operating altitude and amplitude of telescopic boom greatly.

In a preferred embodiment of the invention, the fixed end and the basic arm of described support are hinged, at non-operating condition, described support can parallel setting with basic arm, when needing the heavy load operation, the pressure oil circuit of hoisting crane hydraulic control system and the rodless cavity conducting of described amplitude oil cylinder, described support is being swung in perpendicular (being the luffing plane) around its fixed end under the promotion of amplitude oil cylinder, to perpendicular substantially with basic arm.

Of the present invention another preferred embodiment in, described support, amplitude oil cylinder, first take-up device and second take-up device are respectively two, and be divided into two groups and be symmetricly set on the both sides of the basic arm of telescopic boom hoisting crane, can guarantee in the lift heavy operation process, the power that acts on the telescopic boom by support can balancedly act on the both sides of telescopic jib, and then optimizes the strained condition of telescopic boom.

Of the present invention another preferred embodiment in, two supports are respectively by the annexation between the first hinged attached seat and the second hinged attached seat realization and the telescopic boom, during assembling, at first be provided with respectively to install and use bearing in the jib both sides, utilize then telescopic boom successively the described support of handling be positioned over respectively on the erection support of telescopic boom both sides, last telescopic boom falls when rotating to the midway location of two supports, finishes being connected between described two supports and each parts.So far, finish described super lifting device from the dismounting operation, satisfy in the telescopic boom hoisting crane optimal design about dismounting, stack-mounted performance requriements voluntarily, meet the research and development trend of existing hoisting crane.

Description of drawings

Fig. 1 is the integral structure scheme drawing of first kind of embodiment of super lifting device provided by the present invention;

Fig. 2 is the outside drawing of elevator of the present invention;

Fig. 3 is the assembly relation scheme drawing that second take-up device of the present invention is a pull bar;

Fig. 4 is the integral structure scheme drawing of second kind of embodiment of super lifting device provided by the present invention;

Fig. 5 is the shaft side figure of looking up of super lifting device shown in Fig. 4;

Fig. 6 is the exploded view of second kind of super lifting device that embodiment provides;

Fig. 7 is the working state schematic representation with telescopic arm crane of super lifting device of the present invention;

Fig. 8 is the erection plan of super lifting device provided by the present invention on hoisting crane.

Among the figure: support 1, first take-up device 2, elevator 21, tighten up oil cylinder 22, ratchet 23, second take-up device 3, the first bar section 31, the second bar section 32, amplitude oil cylinder 4, side and open 61, two second hinged attached seats 62 of oil cylinder 5, the first hinged attached seat, basic arm 10, telescopic boom 20.

The specific embodiment

Core concept of the present invention is to pass through the super lifting device that provided, act on moment of flexure on the telescopic jib with weight equalizer, can effectively avoid jib to produce, be beneficial to the performance figure such as the tonnage that hoists, operating altitude and amplitude that improve the telescopic boom hoisting crane than deep camber.

Specify present embodiment below in conjunction with Figure of description.

Referring to Fig. 1, this figure is the integral structure scheme drawing of first kind of embodiment of super lifting device provided by the present invention.Super lifting device shown in the figure is arranged on the basic arm 10 of telescopic arm crane.

Basic arm described herein means the first segment arm that is hinged with the telescopic arm crane upper frame part, at least one joint telescopic boom of suit among the described basic arm, and described telescopic boom can stretch out or withdraws with respect to basic arm joint.In addition, jib described herein means the integral body of being made up of above-mentioned basic arm and telescopic boom.

As shown in Figure 1, the super lifting device that is used for the telescopic boom hoisting crane provided by the invention comprises support 1, the cylinder of support 1 for having enough rigidity and intensity, and its fixed end is connected with the basic arm 10 of telescopic arm crane by bearing pin.

First take-up device 2 is provided with between the outer end of the movable end of described support 1 and the arbitrary telescopic boom 20 of described telescopic arm crane, and when the lift heavy operation, first take-up device 2 is used for forming first pulling force between the outer end of the movable end of support 1 and telescopic boom 20.

Between the movable end that described support 1 is set of second take-up device 3 and the root of described basic arm 10, its two ends respectively with the movable end of described support 1 and the root of basic arm 10, between the movable end of support 1 and basic arm 10, form second pulling force.

Need to prove; an end of second take-up device 4 is connected in the root of basic arm 10 shown in the figure; in fact; second take-up device 4 can directly be connected with basic arm 10; also can be connected, use needs all in the protection domain of this patent as long as satisfy with the bearing of basic arm 10 afterbodys or other contiguous platform structure.

Further, between the fixed end of institute's support 1 and the described basic arm 10 for being articulated and connected, as shown in the figure, amplitude oil cylinder 4 is arranged between support 1 and the basic arm 10, the cylinder barrel end of described amplitude oil cylinder 4 and cylinder rod end are hinged with support 1 and basic arm 10 respectively, when the pressure oil circuit of described hydraulic control system during respectively with the rodless cavity of amplitude oil cylinder 4 or rod chamber conducting, described support 1 can be swung in the luffing plane with respect to basic arm 10, to realize propping or regaining of support 1.Like this, at non-operating condition, described support 1 can parallel setting with basic arm 10; And only need when heavy load operation operating mode, prop support 1, be beneficial to obtain best transaction capabilities.

Above-mentioned first take-up device 2 and second take-up device 3 all can adopt elevator to realize, promptly comprise the elevator of stay cord and the described stay cord of folding and unfolding.

Specifically, elevator 21 (being shown among Fig. 2) can be set at the movable end of support 1, the external part that is wound on the stay cord (not shown among Fig. 2) in the reel of described elevator 21 is captiveed joint with the outer end of arbitrary telescopic boom 20, thereby forms above-mentioned first take-up device 2; In fact, elevator 21 is arranged on the outer end of arbitrary telescopic boom 20, and the external part of described stay cord and the movable end of support 1 also are fine; In addition, described elevator 21 is arranged on the goal of the invention that can realize this patent on the middle part of support 1 or the basic arm 10.

In order further to improve and keep the tension force of stay cord, super lifting device provided by the present invention may further include and tightens up oil cylinder 22, tightens up oil cylinder 22 and is arranged on the support 1; Simultaneously, the reel of elevator 21 captive joint ratchet 23 coaxially.

After elevator 21 tightens up, can promote the ratchet of ratchet 23 by the movable end that tightens up oil cylinder 22 directly or indirectly, and then the reel that drives elevator 21 rotates suitable angle towards the direction continuation of rolling, therefore stay cord further can be strained, thereby further promoted described first pulling force.

Consider that from the angle that alleviates the deadweight of principal arm end the movable end that elevator 21 is arranged at support 1 is more appropriate.In addition, when the end of described stay cord was captiveed joint with the outer end of minor details telescopic boom 20, the force-bearing situation of principal arm was even more ideal, and the degree that its amount of deflection reduces is more remarkable.

Second take-up device 3 can adopt the similar elevator version of first take-up device 2, does not repeat them here.In addition, second take-up device 3 can also have other structure.

For example, second take-up device 3 can be a pull bar; See also Fig. 3, this figure is the assembly relation scheme drawing that second take-up device of the present invention is a pull bar.

As shown in Figure 3, described pull bar specifically can comprise the first bar section 31 that is articulated in support 1 fixed end, and the second bar section, 32, the first bar sections 31 and the second bar section 32 that are articulated in basic arm 10 roots are hinged.

When amplitude oil cylinder 4 is regained fully, when promptly support 1 was stacked and placed on basic arm 10 tops, the above-mentioned first bar section 31 and the second bar section 32 be folding (state shown in Figure 3) mutually; When support 1 after hoisting under the effect of amplitude oil cylinder 4, the above-mentioned first bar section 31 and second bar section 32 tensioning gradually finally are straightened.Obviously, second take-up device 3 can also adopt a stay cord with suitable length, when support 1 hoisting under the effect of amplitude oil cylinder 4 put in place after, this stay cord is straightened just.

Described stay cord can be a steel rope, but obviously can not only be confined to steel rope, and the stay cord that is made by other material (such as high-strength high-modulus polyethylene fiber) with suitable intensity, suppleness also is fine.

When needing the lifting weight, the support 1 of above-mentioned super lifting device can rise on the basic arm 10 of self extending boom crane under the promotion of amplitude oil cylinder 4, and rotates in the luffing plane around its fixed end, and final support 1 can be perpendicular substantially with basic arm 10.Because first take-up device 2 applies first pulling force between the movable end of telescopic boom 20 and support 1, and this first pulling force can weight equalizer acts on the moment of flexure on the telescopic arm support, and therefore, the amount of deflection of principal arm is significantly less under the equal conditions; In like manner, second pulling force of second take-up device 3 will further alleviate the amount of deflection of support 1, and pulling force is conducted to the root of basic arm 10, also can improve the limit of above-mentioned first pulling force simultaneously.Therefore, the setting of described super lifting device can significantly improve the strained condition of principal arm, and then significantly promotes the performance figure such as the tonnage that hoists, operating altitude and amplitude of telescopic arm crane.

For further promote super lifting device provided by the present invention from the dismounting function, can do further to improve to aforementioned super lifting device.

See also Fig. 4, this figure is the integral structure scheme drawing of second kind of embodiment of super lifting device provided by the present invention.

As shown in Figure 4, super lifting device provided by the present invention comprises two supports 1, certain described amplitude oil cylinder, first take-up device and second take-up device also are respectively two (not shown)s, above-mentioned parts are divided into two groups and be symmetricly set on the both sides of the basic arm 10 of telescopic boom hoisting crane, can guarantee in the lift heavy operation process, act on the both sides that power on the telescopic boom can balancedly act on telescopic jib by support, to optimize the strained condition of telescopic boom.

Please in the lump referring to Fig. 5, this figure is the shaft side figure of looking up of super lifting device shown in Fig. 4.

As shown in Figure 5, between each support 1 and the basic arm 10 side is set all and opens oil cylinder 5.

When two supports 1 after hoisting vertically under the promotion of amplitude oil cylinder 4, can open under the promotion of oil cylinder 5 respectively to the suitable angle of two sideway swivels of basic arm 10 in side, also be that two stands 1 can be down " eight " font about aforementioned luffing plane symmetry substantially.

Along with the change that side is opened oil cylinder 5 elongations, the angle of support 1 sideway swivel outside basic arm 10 (being the angle on support 1 and luffing plane) also will change; The scope of this angle can be 0 degree to 45 degree, like this, two support 1 formed angular range are 0 to 90 degree.Certainly, support 1 angle that sideway swivel is bigger outside basic arm 10 also can realize.

Because two supports 1 all can be around its fixed end to the suitable angle of two sideway swivels of basic arm 10, like this, above-mentioned first pulling force exists to basic arm 10 left sides or component to the right, this component can save the shearing force of being born by balance respective direction upper arm, and therefore the transverse deflection of arm joint also can alleviate.

As previously mentioned, support 1 can amplitude oil cylinder promotion under in the luffing plane, rotate, can also under side is opened the promotion of oil cylinder 5, rotate simultaneously to the outside of basic arm 10; Therefore, support 1 can be hinged by two cardinal principles perpendicular rotating shaft and basic arm 10.

See also Fig. 6, this figure is the exploded view of second kind of super lifting device that embodiment provides.

As shown in Figure 6, present embodiment also comprises 61 and two second hinged attached seats 62 of two first hinged attached seats; Described two first hinged attached seats 61 are fixedly installed on the both sides of described basic arm 10 respectively; Described two second hinged attached seats 62 are hinged with two first hinged attached seats 61 respectively, the described second hinged attached seat 62 can rotate in erectting the plane with respect to the first hinged attached seat 61, and the fixed end of described two supports 1 is hinged with two second hinged attached seats 62 respectively, and described support 1 can rotate to the outside of described basic arm 10 with respect to the second hinged attached seat 62.Like this, the support 1 and the second hinged attached seat 62 together rotated around the first hinged attached seat 61 when amplitude oil cylinder 4 was stretched out or shunk, and support 1 was around second hinged attached seat 62 rotations when side was opened oil cylinder 5 and stretched out or shrinks.

Please refer to Fig. 7, Fig. 7 is the working state schematic representation with telescopic arm crane of super lifting device of the present invention.

Except above-mentioned super lifting device, the present invention also provides a kind of telescopic arm crane that comprises above-mentioned super lifting device, and the structure and the prior art of these other each several parts of telescopic arm crane are identical, do not repeat them here.

Particularly, above-mentioned telescopic arm crane can be wheeled telescopic arm crane.

Super lifting device of the present invention has from the dismounting function, and the process that specifically removes and installs is as follows:

One, with about two groups of parts (the first hinged attached seat, the second hinged attached seat, support, first take-up device, second take-up device, amplitude oil cylinder, tensioning hydro-cylinder and elevator 21 etc.) respectively combine and assemble be in the same place;

Two, hoisting crane self with the integral hoisting of described super lifting device left-half to frame chassis left side two bearings (71,72, as shown in Figure 8) on;

Three, with the integral hoisting of super lifting device right half part to two supports in frame chassis right side;

Four, the midway location of two super lifting devices and slowly falling about crane arm goes to, when the connecting bore of crane arm front portion overlaps with the pin-and-hole of the first hinged attached seat, stop to fall arm and with about two hinged attached link together with crane arm respectively;

Five, operation elevator volume links to each other the cable wire end that is wound on the elevator with the hangers of the head both sides of minor details telescopic boom; Afterwards, the operation amplitude oil cylinder is overhanging, second hinged support with support around first hinged support turn to crane arm on the position of plane approximate vertical;

Six, the operation tensioning hydro-cylinder stretches out, and makes support roughly become 90 degree around the support that the second hinged attached seat turns to both sides.In said process, it is stretching gradually that initial condition is the pull bar section of folded state, and the one end links to each other with the basic arm afterbody, the other end links to each other with the support movable end.So far, finish super lifting device of the present invention from installation process.Be understandable that the bearing (71 and 72) that is used for supporting bracket in the fitting process can utilize the existing bearing of existing car, also can be equipped with, support the failure-free basic demand as long as satisfy according to actual conditions.

Unloading process is opposite with above-mentioned steps.

The above only is a preferred implementation of the present invention; 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 make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. super lifting device is used for the telescopic boom hoisting crane, it is characterized in that, comprising:
At least one support, its fixed end is connected with the basic arm of telescopic boom hoisting crane;
First take-up device is arranged between the outer end of the movable end of described support and the arbitrary telescopic boom of described telescopic arm crane; With
Second take-up device is arranged between the root of the movable end of described support and described basic arm.
2. super lifting device according to claim 1 is characterized in that, also comprises:
Amplitude oil cylinder is arranged between described support and the described basic arm; And
The fixed end and the basic arm of described support are hinged, and the flexible of described amplitude oil cylinder makes described support swing in perpendicular around its fixed end.
3. super lifting device according to claim 2 is characterized in that, described support, amplitude oil cylinder, first take-up device and second take-up device are respectively two, and is divided into two groups and be symmetricly set on the both sides of the basic arm of telescopic boom hoisting crane.
4. super lifting device according to claim 3 is characterized in that, is equipped with side between two supports and the described basic arm and opens oil cylinder, and described side is opened the flexible of oil cylinder makes that described support all can be around its fixed end rolling to each side to described basic arm.
5. super lifting device according to claim 4 is characterized in that, the angular range of described support side oscillation outside described basic arm is 0 °~45 °.
6. super lifting device according to claim 5 is characterized in that, also comprises:
Two first hinged attached seats are fixedly installed on the both sides of described basic arm respectively; With
Two second hinged attached seats, hinged with two first hinged attached seats respectively, the described second hinged attached seat can rotate in erectting the plane with respect to the first hinged attached seat, and
The fixed end of described two supports is hinged with two second hinged attached seats respectively, and described support can rotate to the outside of described basic arm with respect to the second hinged attached seat.
7. according to the described super lifting device of arbitrary claim in the claim 1 to 6, it is characterized in that, described first take-up device comprises elevator and the stay cord that is wound on this elevator, wherein, the described elevator external part that is fixedly installed on the free end of described support, described stay cord is captiveed joint with the outer end of arbitrary telescopic boom; Or the outer end that the external part of described stay cord is captiveed joint with the free end of described support, described elevator is fixedly installed on arbitrary telescopic boom.
8. super lifting device according to claim 7, it is characterized in that, described first take-up device also comprise tensioning hydro-cylinder and with the co-axially fixed ratchet of the reel of described elevator, described tensioning hydro-cylinder is arranged between described ratchet and the elevator fixed parts, described tensioning hydro-cylinder promotes the ratchet of described ratchet when stretching out, to strain described stay cord.
9. according to the described super lifting device of each claim of claim 1 to 3, it is characterized in that described second take-up device is a pull bar; Described pull bar comprises the first bar section that is articulated in described support movable end, and the second bar section that is articulated in described basic arm root, and the described first bar section and the second bar section are hinged.
10. the telescopic boom hoisting crane is characterized in that, comprises as the described super lifting device of each claim of claim 1 to 9.
CN2008101730218A 2008-10-29 2008-10-29 Superlift device for telescopic boom and telescopic boom type crane CN101723260B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101730218A CN101723260B (en) 2008-10-29 2008-10-29 Superlift device for telescopic boom and telescopic boom type crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101730218A CN101723260B (en) 2008-10-29 2008-10-29 Superlift device for telescopic boom and telescopic boom type crane

Publications (2)

Publication Number Publication Date
CN101723260A true CN101723260A (en) 2010-06-09
CN101723260B CN101723260B (en) 2012-01-18

Family

ID=42444927

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101730218A CN101723260B (en) 2008-10-29 2008-10-29 Superlift device for telescopic boom and telescopic boom type crane

Country Status (1)

Country Link
CN (1) CN101723260B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857176A (en) * 2010-07-05 2010-10-13 三一汽车起重机械有限公司 Super hoisting device and telescopic-boom hoisting equipment with same
CN101618840B (en) * 2008-06-30 2010-12-22 徐州重型机械有限公司 Telescopic crane and superlift device thereof
CN102126678A (en) * 2010-12-31 2011-07-20 徐州重型机械有限公司 Crane and super-lifting and tensioning control system and method thereof
CN102491241A (en) * 2011-12-19 2012-06-13 徐州重型机械有限公司 Fixed arm disassembly device
CN102515039A (en) * 2011-11-21 2012-06-27 三一汽车起重机械有限公司 Crane and super-lifting device thereof
CN107628548A (en) * 2017-10-27 2018-01-26 三汽车起重机械有限公司 Dismantle auxiliary mould, lifting telescopic arm disassembly system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87208770U (en) * 1987-06-02 1988-10-26 哈尔滨建筑工程学院机电系 Expansion boom with suspension cable brace rod
DE19606109A1 (en) * 1995-12-12 1997-06-19 Liebherr Werk Ehingen Mobile crane
DE10022658B4 (en) * 1999-06-28 2007-10-04 Terex-Demag Gmbh & Co. Kg telescopic crane
CN201024052Y (en) * 2007-04-11 2008-02-20 应来石 Traction type crane
DE102007051539C5 (en) * 2007-10-29 2018-04-12 Liebherr-Werk Ehingen Gmbh Method for erecting a crane jib
CN201272663Y (en) * 2008-06-30 2009-07-15 徐州重型机械有限公司 Telescopic arm crane and its super-lifting apparatus
CN201301180Y (en) * 2008-10-29 2009-09-02 徐州重型机械有限公司 Super-lifting gear for telescopic booms and telescopic boom crane

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101618840B (en) * 2008-06-30 2010-12-22 徐州重型机械有限公司 Telescopic crane and superlift device thereof
CN101857176A (en) * 2010-07-05 2010-10-13 三一汽车起重机械有限公司 Super hoisting device and telescopic-boom hoisting equipment with same
WO2012003767A1 (en) * 2010-07-05 2012-01-12 湖南三一智能控制设备有限公司 Super lift device and telescope arm lift device with the same
CN101857176B (en) * 2010-07-05 2013-04-10 三一汽车起重机械有限公司 Super hoisting device and telescopic-boom hoisting equipment with same
CN102126678A (en) * 2010-12-31 2011-07-20 徐州重型机械有限公司 Crane and super-lifting and tensioning control system and method thereof
CN102126678B (en) * 2010-12-31 2012-10-03 徐州重型机械有限公司 Crane and super-lifting and tensioning control system and method thereof
CN102515039A (en) * 2011-11-21 2012-06-27 三一汽车起重机械有限公司 Crane and super-lifting device thereof
WO2013075454A1 (en) * 2011-11-21 2013-05-30 湖南三一智能控制设备有限公司 Crane and lifting extension apparatus thereof
CN102515039B (en) * 2011-11-21 2014-01-15 三一汽车起重机械有限公司 Crane and super-lifting device thereof
CN102491241A (en) * 2011-12-19 2012-06-13 徐州重型机械有限公司 Fixed arm disassembly device
CN107628548A (en) * 2017-10-27 2018-01-26 三汽车起重机械有限公司 Dismantle auxiliary mould, lifting telescopic arm disassembly system and method

Also Published As

Publication number Publication date
CN101723260B (en) 2012-01-18

Similar Documents

Publication Publication Date Title
US7967158B2 (en) Mobile lift crane with variable position counterweight
CN101254888B (en) Mobile lift crane with variable position counterweight and operation method thereof
CN101293620B (en) Mast raising structure and process for high-capacity mobile lift crane
EP1333004B1 (en) Construction equipment with self-raising mast and method therefor
JP5999902B2 (en) Method for connecting components of a crane suspension assembly and frame mounting assembly used for the method
RU2542828C2 (en) Method for assembling, dismantling and transportation of mobile crane
US8608134B2 (en) Crane hook block
CN101759105B (en) Mobile crane, and method for detaching, transporting and erecting the mobile crane
EP1819627B1 (en) Hoist device
CN101955132B (en) Crane with boom raising assist structure
US10280049B2 (en) System and method for connecting a crane suspension assembly to a support column
JP5675041B2 (en) How to raise a crane boom
EP2829500B1 (en) Mobile lift crane with variable position counterweight
CN101857176B (en) Super hoisting device and telescopic-boom hoisting equipment with same
JP2721998B2 (en) crane
CN102602827B (en) Crane and super-lift device thereof
JP5391142B2 (en) Telescopic crane and support unit system, method of use thereof, and mounting method of telescopic crane to jib
CN201433061Y (en) Automobile crane and telescopic arm device thereof
CN101962155B (en) Special lifting machine for lifting wind power generation equipment
EP2530046B1 (en) Stepless luffing mechanism for super-lifting counterweight of crawler crane and operating method thereof
CN101618839B (en) Telescopic crane and single cylinder bolt type telescopic arm
CN102381639B (en) Hoisting crane
US9725285B2 (en) Method of raising a crane boom
WO2013012761A2 (en) Enhanced stability crane and methods of use
CN101324221A (en) Method for mounting of at least two components of a wind turbine and use of a handling device

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model