CN105347209A - Balancing weight hitching device and crane - Google Patents
Balancing weight hitching device and crane Download PDFInfo
- Publication number
- CN105347209A CN105347209A CN201510953342.XA CN201510953342A CN105347209A CN 105347209 A CN105347209 A CN 105347209A CN 201510953342 A CN201510953342 A CN 201510953342A CN 105347209 A CN105347209 A CN 105347209A
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- CN
- China
- Prior art keywords
- counterbalanced weight
- balancing weight
- hitching
- hanging device
- lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a balancing weight hitching device and a crane. The balancing weight hitching device comprises a power source and a connecting frame assembly, wherein the connecting frame assembly is fixedly arranged in a balancing weight. The connecting frame assembly comprises a base, lifting mechanisms and positioning mechanisms, wherein the base is fixedly connected with the balancing weight, the lifting mechanisms are installed on the base, and every two positioning mechanisms are symmetrically arranged on the two sides of the corresponding lifting mechanism. Each lifting mechanism comprises a lifting cylinder and a hitching hole which is formed in the free end of a cylinder rod of the lifting cylinder. Each positioning mechanism comprises a guiding hitching support and a fixing hole which is formed in the free end of the guiding hitching support. The power source drives the cylinder rods of the lifting cylinders to conduct lifting movement. By the adoption of a novel hitching mode, an operating system is simplified, the energy loss is low, the cost is reduced, and the balancing weight hitching device has the quite high economic value. Meanwhile, due to the fact that the balancing weight hitching device is connected with the crane through a hinge pin, the safety and the reliability are achieved, the damage caused by the impact of the hitched balancing weight to an oil cylinder in the travelling process is avoided, and the crane with the balancing weight hitching device has the higher safety performance and the lower production and operation cost.
Description
Technical field
The present invention relates to a kind of hanging device, be specifically related to a kind of hanging device of counterbalanced weight; Belong to technical field of engineering machinery.
Background technology
Middle hoister in large tonnage is owing to being subject to weight limits in transition process, and counterbalanced weight generally needs dismounting transhipment.A kind of self-retaining plane is generally adopted to mount form to mount counterbalanced weight at present, this form generally needs counterbalanced weight oil cylinder to realize, structure as shown in Figure 1, in mounting process, counterbalanced weight 1 ' is placed in a certain fixed pan, counterbalanced weight oil cylinder 2 ' is placed in counterbalanced weight 1 ' top, by the flexible lifting realizing counterbalanced weight of oil cylinder, thus realizes being connected and fixed of itself and turntable 3 '.
This device, after counterbalanced weight mounting, often causes counterbalanced weight can not paste extremely with tail after turntable owing to unloading in oil cylinder, occurs shaking phenomenon, thus cause very big potential safety hazard to oil cylinder itself and job safety.Meanwhile, this device needs the liquid electric system of complete set to coordinate, and the hydraulic efficiency pressure system such as control cock, flow divider valve, balance cock in hydraulic efficiency pressure system, causes degradation of energy on the one hand, too increases hydraulic efficiency pressure system cost on the other hand; The realization of counterbalanced weight mounting also needs associated control procedures and control setup, and make system become complicated, reliability reduces.For avoiding the shortcoming of said structure, need to improve the mounting mode of counterbalanced weight.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of counterbalanced weight, when not needing liquid electric control system, realizing the mounting of counterbalanced weight easily and reliably.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of counterbalanced weight hanging device, comprise: propulsion source and the link span assembly be fixed in counterbalanced weight, described link span assembly comprises: the base be fixedly connected with counterbalanced weight, be installed on a pair detent mechanism that lift system on base and symmetry are divided into lift system both sides, described lift system comprises: elevating ram and the mount hole being formed at elevating ram cylinder bar free end, described a pair detent mechanism includes: guiding mounting support drives the dipping and heaving of elevating ram cylinder bar with the fixed orifice being formed at guiding mounting support free end, described propulsion source.
Preferably, previous power source is the oil piping system of winding lifting action, or propulsion source is independent power source, and described independent power source is hydraulic hand-pump.
More preferably, the free end top of aforementioned guiding mounting support is formed with positioning groove.
Further, the turntable mounted with counterbalanced weight is provided with the alignment pin coordinated with positioning groove and the first mounting hole coordinated with mount hole and fixed orifice respectively and the second mounting hole.
Particularly, previous power source drives elevating ram cylinder bar to stretch out until the first mounting hole of mount hole and turntable is by the first pinned connection, then, hydraulic oil in elevating ram flows out, elevating ram cylinder bar is retracted and is driven counterbalanced weight to promote, until the guiding mounting positioning groove of support coordinates with the alignment pin on turntable, the second bearing pin is utilized to be connected with the second mounting hole of turntable by fixed orifice.
In addition, the invention also discloses a kind of hoisting crane, comprise foregoing a kind of counterbalanced weight hanging device.
Usefulness of the present invention is: counterbalanced weight of the present invention have employed a kind of novel mounting form, simplify operating system, traditional a whole set of hydraulic tubing, valve body, control program, control setup, sensor complete equipment are abandoned, few and the cost of degradation of energy reduces, and has good economic value; Simultaneously, this hanging device is by pinned connection, safe and reliable, prevents mounting counterbalanced weight when driving, counterbalanced weight impacts the damage produced oil cylinder, and the hoisting crane that make use of this counterbalanced weight hanging device has better safety performance and lower production and operation cost.
Accompanying drawing explanation
Fig. 1 is self-retaining plane mounting type counterbalanced weight of the prior art;
Fig. 2 is the structural representation of a kind of counterbalanced weight hanging device (not comprising propulsion source) of the present invention;
Fig. 3 is the construction profile schematic diagram of middle link span assembly embodiment illustrated in fig. 2;
Fig. 4 is the schematic diagram that middle lift system embodiment illustrated in fig. 2 coordinates with turntable;
Fig. 5 is the close-up schematic view of Fig. 4;
Fig. 6 is the schematic diagram of middle detent mechanism embodiment illustrated in fig. 2 when coordinating with turntable;
Fig. 7 is the close-up schematic view of Fig. 6;
Fig. 8 is the structural representation of a kind of counterbalanced weight hanging device (comprising propulsion source) of the present invention.
The implication of Reference numeral in figure: 1, counterbalanced weight, 2, base, 3, elevating ram, 4, elevating ram cylinder bar, 5, mount hole, 6, guiding mounting support, 7, positioning groove, 8, fixed orifice, 9, alignment pin, 10, the first mounting hole, the 11, second mounting hole, the 12, first bearing pin, 13, the second bearing pin, 14, turntable, 15, elevator, 16, quick connector.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
See Fig. 2 and Fig. 3, counterbalanced weight hanging device of the present invention comprises: propulsion source and the link span assembly be fixed in counterbalanced weight 1, wherein, link span assembly comprises: the base 2 be fixedly connected with counterbalanced weight 1, be installed on a pair detent mechanism that lift system on base 2 and symmetry are divided into lift system both sides.Wherein, lift system comprises: elevating ram 3 and the mount hole 5 being formed at elevating ram cylinder bar 4 free end, and a pair detent mechanism includes: guiding mounting support 6 mounts the fixed orifice 8 of support 6 free end with being formed at guiding.
In mounting process, propulsion source is for driving the dipping and heaving of elevating ram cylinder bar 4, and the propulsion source in the present embodiment is that elevator 15 hoists the oil piping system of action.As shown in Figure 8, elevator 15 is adopted to hoist the oil piping system of action as propulsion source, counterbalanced weight 1 elevating ram 3 gets oil by the quick connector 16 of elevator pipeline, during mounting, the flexible pipe of elevating ram 3 is connected on elevator pipeline by quick connector 16, when operating elevator 15 actions, section hydraulic oil flows to elevating ram 3 by quick connector 16, thus realize the lifting of oil cylinder, when operation elevator 15 falls action, action is contrary; And, after installing counterbalanced weight 1, quick connector 16 need be unpluged, follow-up elevator 15 associative operation just can not affect the cylinder action of counterbalanced weight 1 again, and in addition, quick connector 16 all has spring reset closing function, after pipeline unplugs, the other influences such as leakage of oil can not be produced.Certainly, propulsion source also can adopt the independent power source as hydraulic hand-pump and so on, and its principle, with reference to daily common jack, repeats no more.And propulsion source is not only confined to above-mentioned form.
Further, be formed with positioning groove 7 at the free end top of guiding mounting support 6, the turntable 14 mounted be provided with the alignment pin 9 coordinated with positioning groove 7 and the first mounting hole 10 and the second mounting hole 11 coordinated with mount hole 5 and fixed orifice 8 respectively with counterbalanced weight 1.
See Fig. 4 and Fig. 5, propulsion source drives elevating ram cylinder bar 4 to stretch out, until mount hole 5 is connected by the first bearing pin 12 with the first mounting hole 10 of turntable 14, then, hydraulic oil in elevating ram 3 flows out, elevating ram cylinder bar 4 is retracted, counterbalanced weight 1 is driven to promote, the guiding mounting positioning groove 7 of support 6 coordinates with the alignment pin 9 on turntable 14 makes counterbalanced weight 1 arrive correct position, the second bearing pin 13 is utilized to be connected with the second mounting hole 11 of turntable 14 by fixed orifice 8, and fix the second bearing pin 13 with bolt, as shown in Figure 6 and Figure 7, counterbalanced weight 1 mounts complete, now, counterbalanced weight 1 relies on second bearing pin 13 at guiding mounting support 6 fixed orifice 8 place to connect, be fixed on the rear tail of turntable 14.During dismounting counterbalanced weight 1, turntable 14 turns round and is placed in above fixed pan by counterbalanced weight 1, and contrary operation can realize the dismounting of counterbalanced weight 1, not repeat in the present invention.
In addition, the invention also discloses a kind of hoisting crane, except the conventional structure with hoisting crane, also comprise counterbalanced weight 1 hanging device that emphasis is above set forth, the hoisting crane that make use of this counterbalanced weight 1 hanging device has better safety performance and lower production and operation cost.
To sum up, counterbalanced weight hanging device of the present invention have employed a kind of novel mounting form, has simplified operating system, has abandoned traditional a whole set of hydraulic tubing, valve body, control program, control setup, sensor complete equipment, few and the cost of degradation of energy reduces, and has good economic value; Meanwhile, this hanging device is by pinned connection, safe and reliable, and prevent mounting counterbalanced weight 1 when driving, counterbalanced weight 1 impacts the damage produced oil cylinder.
More than show and describe groundwork of the present invention, principal character and advantage.The technical personnel of the industry should be understood, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (7)
1. a counterbalanced weight hanging device, it is characterized in that, comprise: propulsion source and the link span assembly be fixed in counterbalanced weight, described link span assembly comprises: the base be fixedly connected with counterbalanced weight, be installed on the lift system on base and symmetrical a pair detent mechanism being divided into lift system both sides, described lift system comprises: elevating ram and the mount hole being formed at elevating ram cylinder bar free end, described a pair detent mechanism includes: guiding mounting support and the fixed orifice being formed at guiding mounting support free end, described propulsion source drives the dipping and heaving of elevating ram cylinder bar.
2. a kind of counterbalanced weight hanging device according to claim 1, is characterized in that, described propulsion source is the oil piping system of winding lifting action.
3. a kind of counterbalanced weight hanging device according to claim 1, is characterized in that, described propulsion source is independent power source, and described independent power source is hydraulic hand-pump.
4. a kind of counterbalanced weight hanging device according to claim 1, is characterized in that, the free end top of described guiding mounting support is formed with positioning groove.
5. a kind of counterbalanced weight hanging device according to claim 4, is characterized in that, the turntable mounted is provided with the alignment pin coordinated with positioning groove and the first mounting hole coordinated with mount hole and fixed orifice respectively and the second mounting hole with counterbalanced weight.
6. a kind of counterbalanced weight hanging device according to claim 5, it is characterized in that, described propulsion source drives elevating ram cylinder bar to stretch out until the first mounting hole of mount hole and turntable is by the first pinned connection, then, hydraulic oil in elevating ram flows out, elevating ram cylinder bar is retracted and is driven counterbalanced weight to promote, until the guiding mounting positioning groove of support coordinates with the alignment pin on turntable, utilizes the second bearing pin to be connected with the second mounting hole of turntable by fixed orifice.
7. a hoisting crane, is characterized in that, comprises a kind of counterbalanced weight hanging device as described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953342.XA CN105347209A (en) | 2015-12-17 | 2015-12-17 | Balancing weight hitching device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953342.XA CN105347209A (en) | 2015-12-17 | 2015-12-17 | Balancing weight hitching device and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105347209A true CN105347209A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510953342.XA Pending CN105347209A (en) | 2015-12-17 | 2015-12-17 | Balancing weight hitching device and crane |
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| CN (1) | CN105347209A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776020A (en) * | 2016-05-05 | 2016-07-20 | 三汽车起重机械有限公司 | Crane and counterweight hitching system and counterweight hitching method thereof |
| WO2017190840A1 (en) * | 2016-05-04 | 2017-11-09 | Liebherr-Werk Ehingen Gmbh | Mobile crane comprising a ballast receiving device and method for ballasting a mobile crane |
| CN109592584A (en) * | 2018-12-10 | 2019-04-09 | 中联重科股份有限公司 | Guiding device and hoisting machine |
| CN115818471A (en) * | 2022-11-23 | 2023-03-21 | 湖南三一中型起重机械有限公司 | Counter weight mounting structure and engineering machinery |
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| CN1718529A (en) * | 2004-07-07 | 2006-01-11 | 日立住友重机械建机起重机株式会社 | Weight device for building machinery |
| US20080253857A1 (en) * | 2007-04-10 | 2008-10-16 | Nissan Design America, Inc. | Interior vehicle cargo system |
| JP2012116642A (en) * | 2010-12-02 | 2012-06-21 | Tadano Ltd | Counter weight attaching and detaching device of boom type working vehicle |
| CN102963825A (en) * | 2012-11-27 | 2013-03-13 | 徐州重型机械有限公司 | Crane and balancing weight hooking device thereof |
| CN203855333U (en) * | 2014-05-10 | 2014-10-01 | 湖南厚德重工机械有限公司 | Novel counterweight self-loading and unloading mechanism for crawler crane |
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2015
- 2015-12-17 CN CN201510953342.XA patent/CN105347209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1718529A (en) * | 2004-07-07 | 2006-01-11 | 日立住友重机械建机起重机株式会社 | Weight device for building machinery |
| US20080253857A1 (en) * | 2007-04-10 | 2008-10-16 | Nissan Design America, Inc. | Interior vehicle cargo system |
| JP2012116642A (en) * | 2010-12-02 | 2012-06-21 | Tadano Ltd | Counter weight attaching and detaching device of boom type working vehicle |
| CN102963825A (en) * | 2012-11-27 | 2013-03-13 | 徐州重型机械有限公司 | Crane and balancing weight hooking device thereof |
| CN203855333U (en) * | 2014-05-10 | 2014-10-01 | 湖南厚德重工机械有限公司 | Novel counterweight self-loading and unloading mechanism for crawler crane |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017190840A1 (en) * | 2016-05-04 | 2017-11-09 | Liebherr-Werk Ehingen Gmbh | Mobile crane comprising a ballast receiving device and method for ballasting a mobile crane |
| US10850951B2 (en) | 2016-05-04 | 2020-12-01 | Liebherr-Werk Ehingen Gmbh | Mobile crane comprising a ballast receiving device and method for ballasting a mobile crane |
| CN105776020A (en) * | 2016-05-05 | 2016-07-20 | 三汽车起重机械有限公司 | Crane and counterweight hitching system and counterweight hitching method thereof |
| CN109592584A (en) * | 2018-12-10 | 2019-04-09 | 中联重科股份有限公司 | Guiding device and hoisting machine |
| CN115818471A (en) * | 2022-11-23 | 2023-03-21 | 湖南三一中型起重机械有限公司 | Counter weight mounting structure and engineering machinery |
| WO2024109681A1 (en) * | 2022-11-23 | 2024-05-30 | 湖南三一中型起重机械有限公司 | Counterweight mounting structure and engineering machine |
| CN115818471B (en) * | 2022-11-23 | 2024-09-27 | 湖南三一中型起重机械有限公司 | Counterweight mounting structure and engineering machinery |
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Application publication date: 20160224 |
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| RJ01 | Rejection of invention patent application after publication |