CN100389057C - All hydraulic caterpillar cranes - Google Patents
All hydraulic caterpillar cranes Download PDFInfo
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- CN100389057C CN100389057C CNB2005100422678A CN200510042267A CN100389057C CN 100389057 C CN100389057 C CN 100389057C CN B2005100422678 A CNB2005100422678 A CN B2005100422678A CN 200510042267 A CN200510042267 A CN 200510042267A CN 100389057 C CN100389057 C CN 100389057C
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Abstract
The present invention discloses an all-hydraulic caterpillar crane. Hydraulic support legs capable of supporting the crane away from the ground are installed on the intermediate body of the crane, a caterpillar assembly can slide along the installing arm of the intermediate body, and a pushing and pulling device capable of pushing and pulling the caterpillar assembly to slide along the installing arm is arranged between the intermediate body and the caterpillar assembly between which a positioning and locking device is also arranged. The caterpillar assembly can be automatically disassembled and assembled by the pushing and pulling device and the hoisting system of the crane, and a bobweight and an arm frame can also be automatically disassembled and assembled by the hoisting system of the crane, so the whole crane is completely and automatically disassembled and assembled. Therefore, the present invention has the advantages of convenient transportation, cost saving and installation time shortening.
Description
Technical field
The present invention relates to a kind of hoisting crane, relate in particular to a kind of crawler crane.
Background technology
All hydraulic caterpillar cranes is the development tendency of present world crawler crane.In decades, worldwide the development of crawler crane by mechanical type to the mechanical-hydraulic formula again to full hydraulic, prove through practice test: all hydraulic caterpillar cranes have running steadily, load-carrying ability is big, lifting altitude is high and can realize that stepless change, fine motion are in place, easy operating, from heavy and light, shift advantage such as easy accessibility.This is that electric travelling crane is incomparable.The dismounting cost of electric track tower crane is big, poor mobility, and crane capacity is poor, and it is imperative to be substituted by all-hydraulic large-scale crawler crane.
The crawler crane of prior art, its shortcoming is: 1. the product own wt is big, does not have from the dismounting function, and difficulty is installed in transportation, has prolonged construction period greatly; 2. mode of operation is few, and adaptive capacity is poor, can not satisfy different lifting requirements; 3. fluid power system falls behind, the fault rate height, and unstable properties can not adapt to the needs of current engineering construction.
Summary of the invention
Technical matters to be solved by this invention provides all hydraulic caterpillar cranes of a kind of dismounting certainly, installation certainly, applied range, reliable operation.
For achieving the above object, technical scheme of the present invention is: all hydraulic caterpillar cranes, comprise intermediate, the both sides of intermediate are equipped with track rail assembly, gyro-rotor is installed on the intermediate, boom assembly is installed on the gyro-rotor, operator's compartment, power and hydraulic efficiency pressure system and counterweight, being equipped with on the described intermediate can be with hoisting crane support hydraulic support leg overhead, described track rail assembly can slide along the hold-down arm of intermediate, but be provided with the push-pull device at fixed that the push-and-pull track rail assembly slides along hold-down arm between described intermediate and the track rail assembly, also be provided with positioning and locking device between described track rail assembly and the intermediate, described boom assembly is tower lifting structure form, the principal arm that is stationary state when comprising work, the root of principal arm is provided with the principal arm anti-squat system, and is hinged and can realize the auxiliary of luffing with principal arm, keep the main of auxiliary stable operation and reliable luffing to support, the secondary support, the auxiliary fore stay, the auxiliary back stay, the back stay tightening device; Realize the main hook steel rope that the main hook weight rises and falls by folding and unfolding; Realize the main transformer width of cloth rope of auxiliary luffing by folding and unfolding; It is characterized in that: described back stay tightening device comprises respectively with main and supporting and one of them pivotally attached hydraulic actuating cylinder of principal arm, with one of main support and principal arm residue pivotally attached piston rod, the rodless cavity of hydraulic actuating cylinder is connected with tank tube, the do not reflux check valve of fuel tank of the hydraulic oil that described pipeline is provided with the rodless cavity that keeps hydraulic actuating cylinder.
As a kind of improvement, also be provided with the auxiliary anti-squat system on the described boom assembly.
As a kind of improvement, the positioning and locking device that is provided with between described track rail assembly and the intermediate comprises the body pivotally attached positioning and locking plate with track rail assembly, the positioning and locking plate is provided with some positioning and lockings hole, the fixedly ear that has the positioning and locking latch to pass the positioning and locking hole on the positioning and locking plate and fix with intermediate.
Owing to adopt technique scheme, being equipped with on the described intermediate can be with hoisting crane support hydraulic support leg overhead, described track rail assembly can slide along the hold-down arm of car body, but be provided with the push-and-pull track rail assembly between described intermediate and the track rail assembly along the push-pull device at fixed that hold-down arm slides, also be provided with positioning and locking device between described track rail assembly and the intermediate; Utilize the push-pull device at fixed of hoisting crane self and tackling system can realize track rail assembly from the dismounting function, utilize the tackling system of hoisting crane self also can realize counterweight and jib from the dismounting function, so realized fully complete machine from dismounting, promptly made things convenient for transportation, save cost again, shortened the set-up time; The setting of described back stay tightening device has improved functional reliability of the present invention.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the structural representation of the embodiment of the invention one car body;
Fig. 3 is the structural representation of the embodiment of the invention two;
Fig. 4 is the structural representation of the embodiment of the invention two back stay tightening devices;
Fig. 5 is the hydraulic schematic diagram of the embodiment of the invention two back stay tightening devices.
The specific embodiment
Embodiment one: as Fig. 1, shown in Figure 2, all hydraulic caterpillar cranes comprises intermediate 1, the both sides of intermediate 1 are equipped with track rail assembly 3, gyro-rotor 2 is installed on the intermediate, on the gyro-rotor 2 boom assembly is installed, operator's compartment 22, power and hydraulic efficiency pressure system and counterweight 23, being equipped with on the described car body 1 can be with hoisting crane support hydraulic support leg 14 overhead, described track rail assembly 3 can slide along the hold-down arm 11 of intermediate 1, but be provided with push-and-pull track rail assembly 3 between described intermediate 1 and the track rail assembly 3 along the push-pull device at fixed 12 that hold-down arm 11 slides, also be provided with latching device 13 between described track rail assembly 3 and the intermediate 1.
Described hydraulic support leg 14 is hinged on the car body 1 by bearing pin 14a and is provided with locating dowel pin 14b.
But the push-and-pull track rail assembly 3 that is provided with between described intermediate 1 and the track rail assembly 3 comprises the hydraulic cylinder 12a that is installed on the intermediate 1 along the push-pull device at fixed 12 that hold-down arm 11 slides, and the end of piston rod 12b is hinged on the body of track rail assembly 3 by bearing pin 12c.
The latching device 13 that is provided with between described track rail assembly 3 and the intermediate 1 comprises the body pivotally attached latch 13a with track rail assembly 3, latch 13a is provided with some locking hole 13b, the fixedly ear 13d that has locking latch 13c to pass the locking hole 13b on the latch 13a and fix with intermediate 1.
The hold-down arm 11 of described track rail assembly 3 is the rectangular rectangular shaft of cross-sectional plane, and it is the hold-down arm 11 corresponding rectangular openings of rectangle that the body of track rail assembly 3 is provided with cross-sectional plane.
Described counterweight 23 is to pass through the counterweight of the tackling system of hoisting crane self from dismounting.
The jib part of described boom assembly realizes the main transformer width of cloth rope 21e of boom assembly luffing by the tubular type structure arm that principal arm root 21a, some middle segmentum intercalaris 21b, principal arm head 21c and olecranon 21d form by folding and unfolding; Realize the secondary luffing rope 21f that the auxiliary hook weight rises and falls by folding and unfolding, realize the main hook steel rope 21g that the main hook weight rises and falls by folding and unfolding.
The power pack section of present embodiment adopts Germany benz OM906LA h type engine h, has passed through strict European EURO 3 waste gas rules, and is free from environmental pollution; Its full electronic control technology, by the ECU various operational factors of monitoring engine in real time, when will abnormal condition occurring, driving engine in time reports to the police, greatly reduce fault rate, can fully make things convenient for the operation of chaufeur by the button real time modifying such as parameters such as engine speeds simultaneously.
Present embodiment has adopted the IFLEX5 limiter of moment system of German PAT company, is used for mode of operation, oil-water system of dynamic monitoring vehicle etc.This system can diagnose car load under bad working environment and debug, and can will graphically show by the LCD screen of high-resolution with great visual angle such as mode of operations such as current detailed operating mode table, moment percentum, limit switch, interflow dead slow speed, engine speeds; Simultaneously cross the action of putting the dangerous direction of automatic cut-out when waiting dangerous situation, the maximized defencive function that hoisting process is provided for chaufeur super moment or winch will occurring.The IFLEX5 system can also make diagnosis when self breaks down, alert notice chaufeur guilty culprit in time.
Present embodiment adopts CAN SAE J1939 communications protocol, with warm-up the engine unit, data acquisition unit, control unit, pump control unit, IFLEX5 control system and color liquid crystal monitoring device couple together, only pass through the data cable of a four-core of CAN bus, just can with data transmission such as the mode of operation of engine parameter, profit state, elevator and pump and real-time moment percentums in monitoring device and controller, realize real time monitoring and control.
Hydraulic pressure and power system be car load " heart ", and the BOSCH-REXROTH company limiting load that present embodiment has adopted is regulated and the load-transducing pump, has reduced the power of driving engine greatly, and energy efficient has reduced cost.The utilization of hydraulic pilot handle and shuttle valve in addition, mechanism can realize stepless change in certain speed range, make operation easier; The inside and outside interflow technology of main control valve makes to hoist and walk and is divided into quick, normal speed and three kinds of speed of dead slow speed, makes operation safe.
Track rail assembly is as follows from installation process: after the trailer of transport crane main frame arrives hoisting crane work scene, 14 rotations of four hydraulic support legs are stretched out, prop up support cylinder, trailer drives away, and the initial composite entity of crane unloads; 21g pulls out from hoisting drum with the main hook steel rope, walks around from pulley is installed from the principal arm root, hangs up suspension hook; The trailer that transports track rail assembly is reached solution space, track rail assembly is unloaded from trailer; The operation amplitude-changing drum changes the distance between the main transformer width of cloth sound pulley, realizes the luffing of principal arm root, and the operation swing type mechanism is realized gyro-rotor 2 rotations, more than two kinds of operation may command track rail assembly positions in the horizontal direction; The operation hoisting drum, the may command track rail assembly is in the position of vertical direction; After the track frame position mixed up, the operant level oil cylinder was flexible, and with the hinge of push-pull device at fixed 12 and the respective point pin joint on the track frame, the stretching oil cylinder shrinks, and track frame was fixed to the position that needs; Gyro-rotor 2 integral body rotate to opposite side, repeat above action, realize the installation of opposite side track rail assembly.
Counterweight as follows: after track rail assembly is installed is certainly finished from installation process, counterweight is unloaded from truck, and be placed in corresponding position in order, the anti-hypsokinesis of locking principal arm is supported, and utilizes the A type to erect " A " type support between the gyro-rotor on oil cylinder and the hoisting crane, removes the stop pin on " A " type support, " A " type support is become to make the lifting arm that luffing moves, can sling be positioned at the hoisting crane afterbody counterweight to the installation site, carry out necessary fasteningly, can finish the installation of counterweight.
The installation principle certainly that principle and above-mentioned track rail assembly are installed certainly of jib is basic identical, all is the luffing that utilizes hoisting crane principal arm root, and the operation swing type mechanism lifts by crane assembling successively with each assembly of jib, can finish the installation of jib part.
Embodiment two: as Fig. 3, Fig. 4, shown in Figure 5, its structure and embodiment one are basic identical, its difference is the version of boom assembly, described boom assembly is tower lifting structure form, the root that is principal arm 24a, the principal arm 24a of stationary state when comprising work is provided with principal arm anti-squat system 24a1, and is hinged and can realize auxiliary 24b, the main 24c of support that keeps auxiliary 24b stable operation and reliable luffing, secondary 24d, auxiliary fore stay 24e, auxiliary back stay 24f, the back stay tightening device 24g of supporting of luffing with principal arm 24a; Realize the main hook steel rope 24h that the main hook weight rises and falls by folding and unfolding; Realize the main transformer width of cloth rope of auxiliary 24b luffing by folding and unfolding.
Described back stay tightening device 24g comprises respectively and the main 24c of support and one of them pivotally attached hydraulic actuating cylinder 24g1 of principal arm 24a, with main one of 24c and the principal arm 24a residue pivotally attached piston rod 24g2 that supports, the rodless cavity of hydraulic actuating cylinder 24g1 and fuel tank 24g3 pipe is connected, the do not reflux check valve 24g4 of fuel tank 24g3 of the hydraulic oil that described pipeline is provided with the rodless cavity of maintenance hydraulic actuating cylinder 24g1.
Also be provided with auxiliary anti-squat system 24b1 on the described boom assembly, the structure of this device is that an end is hinged on the push rod on the principal arm, on the correspondence position of the auxiliary 24b of hoisting crane, be provided with and hold the free-ended top of push rod nest, 24b rotates to certain angle when auxiliary, the free end of push rod enters in the nest of top, rotate to an angle, auxiliary 24b just can not continue rotation again, prevents auxiliary 24b because inertia or maloperation continue to rotate and cause auxiliary to tumble to cause the accident.
During work, principal arm is fixed, and by the luffing of secondary luffing mechanism realization auxiliary, leans on the folding and unfolding of main hook steel rope to realize rising and falling of main hook weight.
Auxiliary back stay 24f tenesmus problem is perplexing tower operating mode maximum height of lift and two performance figure of minimum radius of turning always, and back stay tightening device 24g is head it off effectively.It adopts self-priming principle, when lifting large-tonnage hoisting capacity, and oil cylinder elongation, drag-line tensioning; After the off-load, the oil of oil cylinder rodless cavity be because the effect of check valve 24g4 can not be flowed back to fuel tank, and oil cylinder keeps former length, so the state consistency when drag-line tensioning always and lifting weight.The use of tightening device has enlarged the angle that hoists of auxiliary effectively, has increased the scope of work of complete machine.
Claims (3)
1. all hydraulic caterpillar cranes, comprise intermediate (1), the both sides of intermediate (1) are equipped with track rail assembly (3), gyro-rotor (2) is installed on the intermediate, gyro-rotor is equipped with boom assembly on (2), operator's compartment (22), power and hydraulic efficiency pressure system and counterweight (23), being equipped with on the described intermediate (1) can be with hoisting crane support hydraulic support leg (14) overhead, described track rail assembly (3) can slide along the hold-down arm (11) of intermediate (1), described intermediate (1) and track rail assembly (3) but between be provided with the push-pull device at fixed (12) that push-and-pull track rail assembly (3) slides along hold-down arm (11), also be provided with positioning and locking device (13) between described track rail assembly (3) and the intermediate (1), described boom assembly is tower lifting structure form, the principal arm (24a) that is stationary state when comprising work, the root of principal arm (24a) is provided with principal arm anti-squat system (24a1), and is hinged and can realize the auxiliary (24b) of luffing with principal arm (24a), main support (24c) that keeps auxiliary (24b) stable operation and reliable luffing, secondary support (24d), auxiliary fore stay (24e), auxiliary back stay (24f), back stay tightening device (24g); Realize the main hook steel rope (24h) that the main hook weight rises and falls by folding and unfolding; Realize the main transformer width of cloth rope of auxiliary (24b) luffing by folding and unfolding; It is characterized in that: described back stay tightening device (24g) comprises respectively and main (24c) and one of them pivotally attached hydraulic actuating cylinder (24g1) of principal arm (24a) of supporting, with main one of (24c) and principal arm (24a) the residue pivotally attached piston rod (24g2) that supports, the rodless cavity of hydraulic actuating cylinder (24g1) and fuel tank (24g3) pipe is connected, the do not reflux check valve (24g4) of fuel tank (24g3) of the hydraulic oil that described pipeline is provided with the rodless cavity of maintenance hydraulic actuating cylinder (24g1).
2. all hydraulic caterpillar cranes as claimed in claim 1 is characterized in that: also be provided with auxiliary anti-squat system (24b1) on the described boom assembly.
3. all hydraulic caterpillar cranes as claimed in claim 1, it is characterized in that: the positioning and locking device (13) that is provided with between described track rail assembly (3) and the intermediate (1) comprises the body pivotally attached positioning and locking plate (13a) with track rail assembly (3), positioning and locking plate (13a) is provided with some positioning and lockings hole (13b), the fixedly ear (13d) that has positioning and locking latch (13c) to pass the positioning and locking hole (13b) on the positioning and locking plate (13a) and fix with intermediate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100422678A CN100389057C (en) | 2005-04-04 | 2005-04-04 | All hydraulic caterpillar cranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100422678A CN100389057C (en) | 2005-04-04 | 2005-04-04 | All hydraulic caterpillar cranes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1693176A CN1693176A (en) | 2005-11-09 |
| CN100389057C true CN100389057C (en) | 2008-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100422678A Active CN100389057C (en) | 2005-04-04 | 2005-04-04 | All hydraulic caterpillar cranes |
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| CN (1) | CN100389057C (en) |
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| CN201180068Y (en) * | 2008-02-20 | 2009-01-14 | 泰安泰山工程机械股份有限公司 | Novel large-capacity tonnage pipelayer |
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| CN104276519B (en) * | 2013-07-01 | 2017-04-12 | 国家电网公司 | Crane pedestal |
| CN104444850A (en) | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | Wheeled crane and self-detaching and self-mounting method of supporting legs of wheeled crane |
| CN106542445B (en) * | 2016-12-24 | 2018-10-23 | 中国一冶集团有限公司 | Crawler crane controllable type Weighting system |
| CN107416697A (en) * | 2017-04-25 | 2017-12-01 | 南通润邦重机有限公司 | A kind of harbour rubber-tyred mobile multifunctional crane of full hydraulic drive |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484069A (en) * | 1991-09-20 | 1996-01-16 | The Manitowoc Company, Inc. | Process for self-disassembling a crawler crane |
| JPH08142936A (en) * | 1994-11-15 | 1996-06-04 | Kinki Ishiko Kk | Traveling width conversion device for self-travel vehicle |
| JPH1029570A (en) * | 1996-07-17 | 1998-02-03 | Kinki Ishiko Kk | Track width changeover device for self-advancing vehicle body |
| JPH10265176A (en) * | 1997-03-19 | 1998-10-06 | Kobe Steel Ltd | Crawler crane |
| JPH11335073A (en) * | 1998-05-29 | 1999-12-07 | Hitachi Constr Mach Co Ltd | Safety device for work machine |
| JP2003252570A (en) * | 2002-02-04 | 2003-09-10 | Manitowoc Crane Companies Ltd | Crane with self-raising mast |
| CN2815993Y (en) * | 2005-04-04 | 2006-09-13 | 山东鲁能光大重型机械设备有限公司 | Fully hydraulic caterpillar-belt crane |
-
2005
- 2005-04-04 CN CNB2005100422678A patent/CN100389057C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484069A (en) * | 1991-09-20 | 1996-01-16 | The Manitowoc Company, Inc. | Process for self-disassembling a crawler crane |
| JPH08142936A (en) * | 1994-11-15 | 1996-06-04 | Kinki Ishiko Kk | Traveling width conversion device for self-travel vehicle |
| JPH1029570A (en) * | 1996-07-17 | 1998-02-03 | Kinki Ishiko Kk | Track width changeover device for self-advancing vehicle body |
| JPH10265176A (en) * | 1997-03-19 | 1998-10-06 | Kobe Steel Ltd | Crawler crane |
| JPH11335073A (en) * | 1998-05-29 | 1999-12-07 | Hitachi Constr Mach Co Ltd | Safety device for work machine |
| JP2003252570A (en) * | 2002-02-04 | 2003-09-10 | Manitowoc Crane Companies Ltd | Crane with self-raising mast |
| CN2815993Y (en) * | 2005-04-04 | 2006-09-13 | 山东鲁能光大重型机械设备有限公司 | Fully hydraulic caterpillar-belt crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1693176A (en) | 2005-11-09 |
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Owner name: SHANDONG TUONENG HEAVY MACHINERY MANUFACTURING CO. Free format text: FORMER OWNER: SHANDONG LUNENG EVERBRIGHT HEAVY MACHINERY EQUIPMENT CO., LTD. Effective date: 20090911 |
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Effective date of registration: 20090911 Address after: Shandong Province, Ji'nan City, Zhangqiu Economic Development Zone Mingshui tuoneng Industrial Park Patentee after: Shandong tuoneng Heavy Machinery Manufacturing Co. Ltd. Address before: No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee before: Luneng Guangda Heavy Machinery Equipment Co., Ltd., Shandong |
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Owner name: TEREX TUONENG (SHANDONG) HEAVY MACHINERY MANUFACTU Free format text: FORMER NAME: SHANDONG TUONENG HEAVY MACHINERY MANUFACTURING CO., LTD. |
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Address after: 250215 Shandong city of Ji'nan province Zhangqiu Economic Development Zone Mingshui tuoneng Industrial Park Patentee after: Terex topower (Shandong) Heavy Machinery Manufacturing Co. Ltd. Address before: 250215 Shandong city of Ji'nan province Zhangqiu Economic Development Zone Mingshui tuoneng Industrial Park Patentee before: Shandong tuoneng Heavy Machinery Manufacturing Co. Ltd. |
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| CP03 | Change of name, title or address |
Address after: 250215 Shandong city of Ji'nan province Zhangqiu City Economic Development Zone Mingshui tuoneng Industrial Park Patentee after: Terex cranes (China) Manufacturing Co. Ltd. Address before: 250215 Shandong city of Ji'nan province Zhangqiu Economic Development Zone Mingshui tuoneng Industrial Park Patentee before: Terex topower (Shandong) Heavy Machinery Manufacturing Co. Ltd. |