CN103231997A - Deep-foundation grab crane - Google Patents
Deep-foundation grab crane Download PDFInfo
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- CN103231997A CN103231997A CN201310142771XA CN201310142771A CN103231997A CN 103231997 A CN103231997 A CN 103231997A CN 201310142771X A CN201310142771X A CN 201310142771XA CN 201310142771 A CN201310142771 A CN 201310142771A CN 103231997 A CN103231997 A CN 103231997A
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- winching
- grab
- bucket
- deep foundation
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Abstract
The invention discloses a deep-foundation grab crane. An entire truck adopts crawler hydraulic crane remounting design; the ground pressure is small; the stability is high; main winching and auxiliary winching are controlled by parallel-variable double-pump total power; main and auxiliary winching motors are controlled respectively, so that double winching synchronization is achieved; a grab bucket is lifted by the main winching; the auxiliary winching provides a bucket closing tension force; single-rope tension forces of the main winching and the auxiliary winching can reach 10T, so that the main winching and the auxiliary winching have the super high lifting capacity; a closing bucket adopts 4-multiplying-power pulley block design, thus a bucket closing force can reach 40T, so that the main winching and the auxiliary winching have the super high grabbing capacity; the grab bucket adopts a sliding block pulley block stabilizing device; and the deep-foundation grab crane is simple, practical and good in stability.
Description
Technical field
The present invention relates to deep foundation earthwork technical field, particularly a kind of deep foundation grab crane.
Background technology
In the deep foundation work progress, the degree of depth is the greatest problem that faces.When ten meters dark common excavating machines later on of the degree of depth to two, it is limited to fetch earth such as the shoveling of high-front shovel, and same level mechanical type crane grab is because scantling of structure is big and propulsive effort is limited, and dipper capacity is little, the degree of depth of transferring is limited, must adopt the special equipment usefulness that fetches earth of cutting the earth.
In China's deep foundation earthwork adopt grab excavators, box and fluid pressure type grab bucket to cut the earth to fetch earth more, still, shortcoming such as these equipment exist efficient not high, and unearthed speed is too slow, and digging depth is limited.
Therefore, at above-mentioned situation, how for grabbing the soil design specialist equipment that fetches earth in the deep foundation work progress, not limited by construction depth, become the important technological problems that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of deep foundation grab crane, is for grabbing the professional equipment that soil fetches earth and designs in the deep foundation work progress, not limited by construction depth, having the high characteristics of unearthed efficient.
For achieving the above object, the invention provides following technical scheme:
A kind of deep foundation grab crane comprises track unit, stage apparatus, winding plant, jib group and grab bucket device, and described winding plant comprises for the master winch device that promotes described grab bucket device and is used for providing the secondary winding plant that closes the bucket pulling force.
Preferably, described master winch device and described secondary winding plant are controlled by variable double pump gross horsepower in parallel.
Preferably, described master winch device and described secondary winding plant are respectively applied to control master winch motor and secondary hoist motor, can realize that double hoisting is synchronous by design of Hydraulic System.
Preferably, described secondary winding plant adopts the design of 4 multiplying power assembly pulleys.
Preferably, described grab bucket device is connected in described jib group by the stabilizing device with slide block type pulley block structure.
Preferably, complete machine adopts the caterpillar telescopic chassis.
From above-mentioned technical scheme as can be seen, deep foundation grab crane provided by the invention, car load integrates crawler crane and grabs bucket, the design of installing additional with crawler crane, grounding pressure is little, stability is strong, and is for the fast lifting of a large amount of soil provides solid architecture basics, advanced practical; The grab bucket device is promoted by the elevator structure, compare with the prior mechanical grab bucket, can reach the darker extracting degree of depth (40～50 meters dark), the elevator structure can provide superpower hoisting capacity and extracting ability simultaneously, thereby accelerate hoisting speed and (can reach 50～60m/min), strengthen the native ability of grabbing, improve the purpose of grabbing native soil extracting efficiency to reach.It is big that this programme complete machine has dipper capacity, easy to operate, multi-functional, the characteristics that cost is low.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the deep foundation grab crane that Fig. 1 provides for the embodiment of the invention.
Wherein, 1 is track unit, and 2 is stage apparatus, and 3 is secondary hoisting rope, and 4 is the master winch steel rope, and 5 is the jib group, and 6 is stabilizing device, and 7 are the grab bucket device.
The specific embodiment
The invention discloses a kind of deep foundation grab crane, is for grabbing the professional equipment that soil fetches earth and designs in the deep foundation work progress, not limited by construction depth, having the high characteristics of unearthed efficient.
For the ease of understanding, the existing technology that the present invention program is related to is explained as follows:
Deep foundation: deep foundation is that buried depth is bigger, with bottom firm stratum or the rock stratum basis as bearing stratum, its effect is the deep layer that the relative concentrated area of the load that bears is delivered to ground, and unlike shallow foundation, be by the bottom of foundation the load diffusion profile of bearing in the shallow-layer of ground.Therefore, when the shallow-layer soil property of building yard can not satisfy building to the requirement of bearing capacity of foundation and distortion, and don't suitable when adopting measures of foundation treatment, will consider to adopt the deep foundation scheme, 20 meters even darker.
Grab bucket: to grasp the bucket that silt and various bulk freight can open and close.Can be divided into fluid pressure type grab bucket and mechanical type grab bucket two big classes by type of drive.The fluid pressure type grab bucket itself is equipped with opening-closing structure, generally drives with hydraulic ram; Itself does not dispose opening-closing structure the mechanical type grab bucket, is driven by rope or connecting rod external force usually.
Hydraulic crawler crane: be the self-propelled crane that a kind of high-building construction is used.It is a kind of track-type swing arm rotary crane that utilizes.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 1, the structural representation of the deep foundation grab crane that Fig. 1 provides for the embodiment of the invention.
The deep foundation grab crane that the embodiment of the invention provides, its core improvement is, comprise track unit 1, stage apparatus 2, winding plant, jib group 5 and grab bucket device 7, this winding plant comprises for the master winch device that promotes grab bucket device 7, with be used for providing the secondary winding plant that closes the bucket pulling force, the secondary hoisting rope 3 of major-minor elevator control and master winch steel rope 4 are as shown in Figure 1.
From above-mentioned technical scheme as can be seen, the deep foundation grab crane that the embodiment of the invention provides, car load integrates crawler crane and grabs bucket, the design of installing additional with crawler crane, grounding pressure is little, stability is strong, and is for the fast lifting of a large amount of soil provides solid architecture basics, advanced practical; The grab bucket device is promoted by the elevator structure, compare with the prior mechanical grab bucket, can reach the darker extracting degree of depth (40～50 meters dark), the elevator structure can provide superpower hoisting capacity and extracting ability simultaneously, thereby accelerate hoisting speed and (can reach 50～60m/min), strengthen the native ability of grabbing, improve the purpose of grabbing native soil extracting efficiency to reach.It is big that this programme complete machine has dipper capacity, easy to operate, multi-functional, the characteristics that cost is low.
As preferably, master winch device and secondary winding plant are controlled by variable double pump gross horsepower in parallel.Gross horsepower control, need smaller power at a pump exactly, then remaining power can be used for another pump, under extreme case, each pump can both provide maximum power, and this car is under most of situation, and the major-minor elevator all needs different power, can realize energy-efficient, power utilization maximization.
Further, master winch device and secondary winding plant are respectively applied to control master winch motor and secondary hoist motor, can realize that double hoisting is synchronous by design of Hydraulic System.Double hoisting is synchronous, and prior art realizes by electronic control technology at present, the cost height, and the design adopts simple design of Hydraulic System, realizes that double hoisting is synchronous.
The deep foundation grab crane that the embodiment of the invention provides, its secondary winding plant adopt the design of 4 multiplying power assembly pulleys.Major-minor elevator list rope tension can reach 10T, has superpower hoisting capacity, closes bucket and adopts the design of 4 multiplying power assembly pulleys, closes bucket power and can reach 40T, has superpower extracting ability.
In this programme preferred embodiment, grab bucket device 7 is connected in jib group 5 by the stabilizing device 6 of slide block type pulley block structure.In the prior art, stability devices is trolley type, and the guide rail that is exactly dolly is the rigid guideway that is placed on jib top or ground, length limited system, poor stability; The present invention has then made flexible steel rope into movable slider rigidity is creationary, and can increase multiplying power at any time, increases rope capacity, after reaching four or five ten meters degree of depth, still can arrive good stabilization, and its constructional drawing as shown in Figure 1.The grab bucket stabilizing device advanced person of the employing slide block type pulley block structure that the invention process provides, simple and practical, stability is superior.
In order further to optimize above-mentioned technical scheme, the deep foundation grab crane that the embodiment of the invention provides, its complete machine employing caterpillar telescopic chassis, raising job stabilization.
In sum, the deep foundation grab crane in this programme, car load adopt the crawler type hydraulic lift to install design additional, and grounding pressure is little, and stability is strong; The major-minor elevator is controlled by variable double pump gross horsepower in parallel, control the major-minor hoist motor respectively, the realization double hoisting is synchronous, master winch promotes grab bucket, and secondary elevator provides and closes the bucket pulling force, and major-minor elevator list rope tension can reach 10T, has superpower hoisting capacity, close bucket and adopt the design of 4 multiplying power assembly pulleys, close bucket power and can reach 40T, have superpower extracting ability; Slide block type assembly pulley stabilizing device is adopted in grab bucket, and simple and practical, stability is superior.
The deep foundation grab crane that the embodiment of the invention provides has the following advantages:
1, hoisting speed is fast, 50～60m/min;
2, the extracting degree of depth is dark, and 40～50 meters dark;
3, grab bucket stabilizing device advanced person, stablizing effect is good;
4, complete machine has the strong characteristics of the extracting ability of impact by hydraulic-driven;
5, complete machine adopts caterpillar telescopic chassis, good stability;
6, the grab bucket of complete machine collection and hydraulic crawler crane and one, advanced practical;
7, to have dipper capacity big, easy to operate, multi-functional for complete machine, and cost hangs down characteristics.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. deep foundation grab crane, it is characterized in that, comprise track unit (1), stage apparatus (2), winding plant, jib group (5) and grab bucket device (7), described winding plant comprises for the master winch device that promotes described grab bucket device (7) and is used for providing the secondary winding plant that closes the bucket pulling force.
2. deep foundation grab crane according to claim 1 is characterized in that, described master winch device and described secondary winding plant are controlled by variable double pump gross horsepower in parallel.
3. deep foundation grab crane according to claim 1 is characterized in that, described master winch device and described secondary winding plant are respectively applied to control master winch motor and secondary hoist motor, can realize that double hoisting is synchronous by design of Hydraulic System.
4. deep foundation grab crane according to claim 1 is characterized in that, described secondary winding plant adopts the design of 4 multiplying power assembly pulleys.
5. deep foundation grab crane according to claim 1 is characterized in that, described grab bucket device (7) is connected in described jib group (5) by the stabilizing device (6) with slide block type pulley block structure.
6. deep foundation grab crane according to claim 1 is characterized in that, complete machine adopts the caterpillar telescopic chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142771.XA CN103231997B (en) | 2013-04-23 | 2013-04-23 | A kind of Deep-foundation grab crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142771.XA CN103231997B (en) | 2013-04-23 | 2013-04-23 | A kind of Deep-foundation grab crane |
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| CN103231997A true CN103231997A (en) | 2013-08-07 |
| CN103231997B CN103231997B (en) | 2016-08-31 |
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| CN201310142771.XA Active CN103231997B (en) | 2013-04-23 | 2013-04-23 | A kind of Deep-foundation grab crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640965A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Crane grab bucket stabilizer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2752627A1 (en) * | 1977-11-25 | 1979-05-31 | Sen Hans Demleitner | Barn loading extending jib crane - has vertical rotating column with horizontal tilting jib with grab arm |
| DE19933771A1 (en) * | 1999-07-19 | 2001-01-25 | Liebherr Werk Nenzing | Crane has two outer holding cables for raising, lowering load mechanism, actuating cable between them for operating load mechanism, common winding drum, cable actuating arrangement |
| CN201077722Y (en) * | 2007-06-21 | 2008-06-25 | 招远金王机电科技有限公司 | Semiautomatic multifunctional loader-unloader |
| CN201313803Y (en) * | 2008-11-10 | 2009-09-23 | 长沙中联重工科技发展股份有限公司 | Dual-winding synchronous action control system of hydraulic diaphragm wall grab |
| CN201756145U (en) * | 2010-06-21 | 2011-03-09 | 北京京城重工机械有限责任公司 | A telescopic tracked chassis |
| CN102410166A (en) * | 2011-10-13 | 2012-04-11 | 杭州力龙液压有限公司 | Variable-displacement pump control device, constant-power variable-displacement pump and engineering machine |
| CN202609783U (en) * | 2012-05-05 | 2012-12-19 | 无锡市新华起重工具有限公司 | Universal mechanism of three/four multiplying power operation of grab bucket |
| CN202643163U (en) * | 2012-05-10 | 2013-01-02 | 三一集团有限公司 | Hoist |
-
2013
- 2013-04-23 CN CN201310142771.XA patent/CN103231997B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2752627A1 (en) * | 1977-11-25 | 1979-05-31 | Sen Hans Demleitner | Barn loading extending jib crane - has vertical rotating column with horizontal tilting jib with grab arm |
| DE19933771A1 (en) * | 1999-07-19 | 2001-01-25 | Liebherr Werk Nenzing | Crane has two outer holding cables for raising, lowering load mechanism, actuating cable between them for operating load mechanism, common winding drum, cable actuating arrangement |
| CN201077722Y (en) * | 2007-06-21 | 2008-06-25 | 招远金王机电科技有限公司 | Semiautomatic multifunctional loader-unloader |
| CN201313803Y (en) * | 2008-11-10 | 2009-09-23 | 长沙中联重工科技发展股份有限公司 | Dual-winding synchronous action control system of hydraulic diaphragm wall grab |
| CN201756145U (en) * | 2010-06-21 | 2011-03-09 | 北京京城重工机械有限责任公司 | A telescopic tracked chassis |
| CN102410166A (en) * | 2011-10-13 | 2012-04-11 | 杭州力龙液压有限公司 | Variable-displacement pump control device, constant-power variable-displacement pump and engineering machine |
| CN202609783U (en) * | 2012-05-05 | 2012-12-19 | 无锡市新华起重工具有限公司 | Universal mechanism of three/four multiplying power operation of grab bucket |
| CN202643163U (en) * | 2012-05-10 | 2013-01-02 | 三一集团有限公司 | Hoist |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640965A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Crane grab bucket stabilizer |
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| CN103231997B (en) | 2016-08-31 |
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Address after: 102249 Beijing ChangPing Railway Station, west of Changping District, 500 meters Applicant after: BEIJING CRRC HEAVY INDUSTRY MECHANICS Co.,Ltd. Address before: 102249 Beijing ChangPing Railway Station, west of Changping District, 500 meters Applicant before: BEIJING CSR TIMES LOCOMOTIVE AND ROLLING STOCK MECHANICS Co.,Ltd. |
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Application publication date: 20130807 Assignee: Hebei New Direction Intelligent Equipment Co.,Ltd. Assignor: BEIJING CRRC HEAVY INDUSTRY MECHANICS Co.,Ltd. Contract record no.: X2023110000057 Denomination of invention: A deep foundation grab crane Granted publication date: 20160831 License type: Exclusive License Record date: 20230420 |