WO2013149487A1 - Structure de treuil à deux cordes avec actionnement double et couple élevé pour machine d'insertion de plaque - Google Patents

Structure de treuil à deux cordes avec actionnement double et couple élevé pour machine d'insertion de plaque Download PDF

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Publication number
WO2013149487A1
WO2013149487A1 PCT/CN2012/087433 CN2012087433W WO2013149487A1 WO 2013149487 A1 WO2013149487 A1 WO 2013149487A1 CN 2012087433 W CN2012087433 W CN 2012087433W WO 2013149487 A1 WO2013149487 A1 WO 2013149487A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel
pulley block
hoisting
rope
steel rope
Prior art date
Application number
PCT/CN2012/087433
Other languages
English (en)
Chinese (zh)
Inventor
沈玉涛
陈均钧
印光宇
刘云华
Original Assignee
江苏上骐集团有限公司
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 江苏上骐集团有限公司 filed Critical 江苏上骐集团有限公司
Publication of WO2013149487A1 publication Critical patent/WO2013149487A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains

Definitions

  • the invention relates to the technical field of a hoisting device for a card insertion machine.
  • the original plug-in machines in China all rely on the electric vibrating hammer to vibrate with the steel casing.
  • the casing is inserted into the soil by the self-weight of the steel casing and the electric vibratory hammer.
  • the speed of this inserting method cannot be controlled by the influence of soil hardness, and even some hard soils cannot be inserted at all.
  • the working device volume cannot be too large (or the weight is too heavy)
  • the cross-sectional dimension of the working device has been limited, and the diameter of the hoisting drum is also limited.
  • the diameter of the planetary reducer thus mounted inside the hoist is also limited.
  • the diameter of the planetary reducer is proportional to the torque that can be supplied, so a reducer with too small a diameter will not meet the requirements for large insertion force and pull-out force.
  • the object of the present invention is to provide a dual-drive high-torque double-rope winch structure which can be adapted to various soil structures, can be adapted to various soil structures, and has strong power and can be adaptively tensioned.
  • a double-drive high-torque double rope hoisting structure for a plug-in machine comprising a top pulley block, a steel sleeve, a tension pulley block, a hoisting, a hoisting drum, a lower pulley block, a first motor, a first planetary reducer, and a second motor
  • the second planetary reducer is connected to one end of the first steel rope and the second steel rope respectively, and the first steel rope and the second steel rope are respectively wound from the two ends of the hoisting, and the other end of the first steel rope
  • the hoist roller is arranged on the hoist
  • the first planet is respectively disposed at both ends of the hoist drum
  • the reducer, the second planetary reducer, the first planetary reducer are connected to the first motor, and the second planetary reducer is
  • a tensioning cylinder is connected to the tension pulley block of the present invention.
  • the tensioning cylinder of the present invention is connected to an adaptive tensioning elastomer.
  • the invention adopts the above technical solution, and has the following advantages compared with the prior art:
  • the invention is equipped with a hoisting system on the working device, and two steel ropes are wound around the hoisting, respectively, starting from the two ends of the hoisting (steel rope)
  • the hoisting rotation is inserted, one of the steel ropes is retracted, the steel casing is inserted into the soil, and the other steel rope is placed on the rope;
  • the hoisting is rotated in the opposite direction, the steel rope of the original rope is retracted.
  • the steel casing is pulled out of the soil through the top pulley block, and the steel rope that originally collected the rope is put on the rope.
  • This cannula powered by hoisting, is completely controlled by the hydraulic system, has a structural unit, and the soil hardness does not affect the insertion speed.
  • the steel sleeve of the hoisting pressure-insertion mechanism is slid up and down in the chute provided on the working device, and the casing of the existing electric vibratory hammer type plug-in machine in China has no guide, and the sleeve cannot be determined. Compared with the angle of tube insertion, the plug-in mechanism can fully meet the quality requirements of the construction.
  • the present invention mounts a planetary reducer and a motor at both ends of the hoisting internal hoist drum.
  • the two motor ports are cross-connected, so that the two motors turn in opposite directions, and at the same time, the hoist drum is output, which improves the power of the hoisting.
  • the invention connects the tensioning cylinder, the tensioning cylinder and the self-adaptive tensioning elastic body on the tensioning pulley block, thereby ensuring that the steel rope does not generate a skipping rope or a chaotic rope in the hoisting, the device can still work normally, and can be adaptively tensioned. .
  • Figure 1 is a schematic illustration of a double rope hoisting structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the hoisting drum of the present invention.
  • a double-drive high-torque double-rope hoisting structure of a plug-in machine includes a top pulley block 1, a steel sleeve 2, a tension pulley block 3, a winch 7, a hoist drum 8, and a lower pulley block.
  • the first motor 10, the first planetary reducer 1 1 , the second motor 12, and the second planetary reducer 1 3 are connected to one end of the first steel wire 14 and the second steel wire 15, respectively.
  • the steel rope 14 and the second steel rope 15 are respectively wound from the both ends of the hoisting 7, and the other end of the first steel rope 14 passes through the top pulley block 1 and is connected to the steel casing 2, and the other end of the second steel rope 15 passes through Zhang.
  • the pulley block 3 and the lower pulley block 9 are connected to the steel sleeve 2; the hoisting roller 8 is disposed on the hoisting 7, and the first planetary reducer 11 and the second planetary reducer 1 3 are respectively disposed at two ends of the hoist drum 8
  • a planetary reducer 11 is coupled to the first motor 10, and a second planetary reducer 13 is coupled to the second motor 12.
  • the present invention is arranged with a guide pulley block 4 on a steel cord between the tension pulley block 3 and the hoisting 7.
  • the tension cylinder block 5 of the present invention is connected to the tension cylinder 5.
  • the tensioning cylinder 5 of the present invention is connected to an adaptive tensioning elastic body 6.
  • the present invention is equipped with a hoisting system on the working device, and the hoisting 7 is wound around the first steel rope 14 and the second steel rope 15, respectively, and the first steel rope 14 and the second steel rope 15 are respectively hoisted.
  • the two ends of the winding start (the same direction of rotation of the steel rope), the second steel rope 15 is returned to the bottom of the working device through the upper guiding pulley block 4 and the tension pulley block 3, and then bolted up to the steel casing 2 through the lower pulley block 9
  • the first steel cord 14 is directly up to the top pulley block 1 of the working device, and is returned to the steel casing 2.
  • a first motor 10 a first planetary reducer 11, a second motor 12, and a second planetary reducer 13 are attached to both ends of the hoisting drum 8, respectively.
  • the two motor ports are cross-connected such that the two motors turn in opposite directions and simultaneously apply force to the hoist drum 8.
  • the tensioning pulley block 3 of the present invention is connected to a tensioning cylinder 5 which is in turn connected to the adaptive tensioning elastic body 6. Due to the existence of the self-weight G of the casing and the adsorption force f of the soil, the pulling force in the working process is about 1.5 times larger than the insertion force, that is, the elongation of the steel rope during the intubation will be greater than the elongation of the steel rope during the extubation. small. At the same time, it can be seen from Fig. 1 that the installation position of the hoisting 7 determines that the first steel cord 14 is shorter than the second steel rope 15 when the maximum pulling force (i.e., the casing is inserted deepest).
  • the elongation of the first steel cord 14 at the time of intubation is several times shorter than the elongation of the second steel cord 15 at the time of extubation. Therefore, as shown in Fig. 1, we mount the tensioning cylinder 5 on the lower main frame, and install an adaptive tensioning elastic body 6 at the bottom of the tensioning cylinder 5, while the adaptive tensioning elastic body 6 is restrained. After a certain stroke, when the compression reaches the stroke, the bearing force (tension) of the cylinder will be provided by the lower pin of the cylinder to ensure that the closed loop inside the two steel ropes has a certain pre-tightening force F0, which is preloaded.
  • the size will be close to the insertion force required for the cannula (F0 « fl ).
  • the first steel cord 14 has a pre-elongation amount of dl
  • the second steel cord 15 has a pre-elongation amount of d2.
  • F1 is the tensile force of the first steel rope 14
  • F2 is the tensile force of the second steel rope 15
  • G is the weight of the steel casing
  • fl is the soil resistance when the tube is intubated
  • f 2 is the soil resistance when the tube is extruding
  • the first steel rope 14 When the soil resistance increases to near the preload of the rope (ie fl « F0 ), the first steel rope 14 will stretch to twice the length of the preload, at which point the elongation of the second steel rope 15 is also retracted. And close to 0, that is, the tension Fl « f lG of the first steel rope 14. The second steel cord 15 is also not relaxed, and the hoisting work is normal.
  • the pulling force of the second steel rope 15 is much larger than the pulling force of the first steel rope 14 at the time of the pipe insertion due to the resistance of the soil and the weight of the steel casing.
  • the unwound length of the first steel rope 14 is short, and the length of the second steel rope 15 is already close to twice that of the uninserted tube, so when the tube is pulled out
  • the elongation of the second steel cord 15 will be twice that of the uninserted tube, at which time the first steel cord 14 will relax, and the adaptive tensioning elastic body 6 will function to raise the cylinder to
  • the relaxation of the first steel cord 14 is compensated, and the first steel cord 14 is maintained by the elastic force generated by the elastic force of the elastic body, and the first steel cord 14 will not be tangled on the hoisting 7, and the machine can still operate normally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne une structure de treuil à deux cordes avec actionnement double et couple élevé pour machine d'insertion de plaque, et se rapporte au domaine technique des appareils à treuil pour machines d'insertion de plaques. Un treuil (7) est connecté respectivement à une extrémité d'un premier câble d'acier (14) et d'un second câble d'acier (15), le premier câble d'acier (14) et le second câble d'acier (15) commençant respectivement à s'enrouler depuis les deux extrémités du treuil (7). L'autre extrémité du premier câble d'acier (14) est connectée à un manchon en acier (2) via un bloc de poulie supérieur (1) et l'autre extrémité du second câble d'acier (15) est connectée au manchon en acier (2) via un bloc de poulie de tension (3) et un bloc de poulie inférieur (9). Un tambour de treuil (8) est disposé sur le treuil (7), et les deux extrémités du tambour de treuil (8) comprennent respectivement un premier réducteur de vitesse planétaire (11) et un second réducteur de vitesse planétaire (13). Le premier réducteur de vitesse planétaire (11) est connecté à un premier moteur (10) et le second réducteur de vitesse planétaire (13) est connecté à un second moteur (12). L'invention offre une structure simple convenant à diverses structures de sol, possède une grande puissance motrice et s'adapte automatiquement en tension.
PCT/CN2012/087433 2012-04-01 2012-12-25 Structure de treuil à deux cordes avec actionnement double et couple élevé pour machine d'insertion de plaque WO2013149487A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210095489.6 2012-04-01
CN2012100954896A CN102602835A (zh) 2012-04-01 2012-04-01 一种插板机双驱动大扭矩双绳卷扬结构

Publications (1)

Publication Number Publication Date
WO2013149487A1 true WO2013149487A1 (fr) 2013-10-10

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PCT/CN2012/087433 WO2013149487A1 (fr) 2012-04-01 2012-12-25 Structure de treuil à deux cordes avec actionnement double et couple élevé pour machine d'insertion de plaque

Country Status (2)

Country Link
CN (1) CN102602835A (fr)
WO (1) WO2013149487A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602835A (zh) * 2012-04-01 2012-07-25 江苏上骐集团有限公司 一种插板机双驱动大扭矩双绳卷扬结构
CN106477470A (zh) * 2016-12-12 2017-03-08 恒天九五重工有限公司 动滑轮组的导向装置及钻机
CN110329936B (zh) * 2019-06-27 2020-11-24 三一重机有限公司 张紧结构、静压插板机钢丝绳卷扬结构及静压插板机
CN112357725B (zh) * 2020-11-26 2021-09-03 中国矿业大学 一种多绳张力均衡调节装置及调节方法

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Publication number Priority date Publication date Assignee Title
JPH11200358A (ja) * 1998-01-14 1999-07-27 Chowa Kogyo Kk 砂杭造成方法および同装置
CN2430472Y (zh) * 2000-07-27 2001-05-16 天津市水利科学研究所 静力拉压式插板机
CN201785745U (zh) * 2010-08-25 2011-04-06 江苏南水土建工程公司 软土地基浅层插板机
CN102602835A (zh) * 2012-04-01 2012-07-25 江苏上骐集团有限公司 一种插板机双驱动大扭矩双绳卷扬结构
CN202543889U (zh) * 2012-04-01 2012-11-21 江苏上骐集团有限公司 一种插板机双驱动大扭矩双绳卷扬结构

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CN2039304U (zh) * 1988-11-23 1989-06-14 铁道部株洲电力机车工厂 电动升降跳板
CN2576798Y (zh) * 2002-11-18 2003-10-01 中国人民解放军91099部队 单泵液力塑料排水板插板机
CN201013226Y (zh) * 2007-02-27 2008-01-30 管佩先 自动冲击泵举反循环钻机
CN101736736A (zh) * 2009-12-30 2010-06-16 王来朋 超软层插板机排水板整盘固定整齐传递机构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11200358A (ja) * 1998-01-14 1999-07-27 Chowa Kogyo Kk 砂杭造成方法および同装置
CN2430472Y (zh) * 2000-07-27 2001-05-16 天津市水利科学研究所 静力拉压式插板机
CN201785745U (zh) * 2010-08-25 2011-04-06 江苏南水土建工程公司 软土地基浅层插板机
CN102602835A (zh) * 2012-04-01 2012-07-25 江苏上骐集团有限公司 一种插板机双驱动大扭矩双绳卷扬结构
CN202543889U (zh) * 2012-04-01 2012-11-21 江苏上骐集团有限公司 一种插板机双驱动大扭矩双绳卷扬结构

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