WO2013149487A1 - Twin rope winch structure with twin drive and high torque for plate inserting machine - Google Patents

Twin rope winch structure with twin drive and high torque for plate inserting machine 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
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WIPO (PCT)
Prior art keywords
steel
pulley block
hoisting
rope
steel rope
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PCT/CN2012/087433
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French (fr)
Chinese (zh)
Inventor
沈玉涛
陈均钧
印光宇
刘云华
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江苏上骐集团有限公司
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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/en

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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.

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  • 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)
  • Earth Drilling (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

Disclosed is a twin rope winch structure with twin drive and high torque for a plate inserting machine, relating to the technical field of plate inserting machine winch apparatuses. A winch (7) is respectively connected to one end of a first steel rope (14) and a second steel rope (15), and the first steel rope (14) and the second steel rope (15) respectively begin winding from the two ends of the winch (7). The other end of the first steel rope (14) is connected to a steel sleeve (2) via a top pulley block (1), and the other end of the second steel rope (15) is connected to the steel sleeve (2) via a tensioning pulley block (3) and a lower pulley block (9). A winch drum (8) is provided on the winch (7), with the two ends of the winch drum (8) respectively provided with a first planetary speed reducer (11) and a second planetary speed reducer (13). The first planetary speed reducer (11) is connected to a first motor (10) and the second planetary speed reducer (13) is connected to a second motor (12). The invention achieves the aims of a simple structure, being suitable for various soil structures, having high motive power, and self-adaptive tensioning.

Description

一种插板机双驱动大扭矩双绳卷扬结构  Double-drive high-torque double rope hoisting structure for plug-in machine
技术领域 Technical field
本发明涉及插板机卷扬装置的技术领域。  The invention relates to the technical field of a hoisting device for a card insertion machine.
背景技术 Background technique
国内原先的插板机全部是靠电动振动锤带着钢套管振动， 由钢套管及电 动振动锤的自重将套管插入土壤。这种插板方法速度受土壤硬度影响无法得 到控制，甚至有的硬土壤根本无法插入。同时由于工作装置体积不能过大（否 则重量过重）， 因此工作装置截面尺寸已经受到限制， 卷扬的滚筒直径也就 受到了限制。 这样安装于卷扬内部的行星减速机的直径也受到了限制。 而行 星减速机的直径与能提供的扭矩是成正比的， 因此直径过小的减速机将不能 满足大插入力和起拔力的要求。  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. At the same time, since 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.
发明内容 Summary of the invention
本发明目的是提供一种结构筒单， 能够适应各种土壤结构， 动力强， 能 够自适应张紧的插板机双驱动大扭矩双绳卷扬结构。  SUMMARY OF THE INVENTION 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.
一种插板机双驱动大扭矩双绳卷扬结构， 包括顶部滑轮组、 钢套管、 张 紧滑轮组、 卷扬、 卷扬滚筒、 下部滑轮组、 第一马达、 第一行星减速机、 第 二马达、 第二行星减速机， 卷扬分别与第一钢绳、 第二钢绳的一端连接， 第 一钢绳、 第二钢绳分别从卷扬的两端开始缠绕， 第一钢绳的另一端经过顶部 滑轮组后与钢套管连接， 第二钢绳的另一端经过张紧滑轮组、 下部滑轮组后 与钢套管连接； 卷扬上设置卷扬滚筒， 卷扬滚筒的两端分别设置第一行星减 速机、 第二行星减速机， 第一行星减速机与第一马达连接， 第二行星减速机 与第二马达连接。 本发明位于张紧滑轮组与卷扬之间的钢绳上布置导向滑轮组。 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 After the top pulley block is connected with the steel sleeve, the other end of the second steel rope is connected to the steel sleeve through the tension pulley block and the lower pulley block; the hoist roller is arranged on the hoist, and 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 connected to the second motor. The invention arranges the guide pulley block on the steel rope between the tension pulley block and the hoisting.
本发明的张紧滑轮组上连接张紧油缸。  A tensioning cylinder is connected to the tension pulley block of the present invention.
本发明的张紧油缸上连接自适应张紧弹性体。  The tensioning cylinder of the present invention is connected to an adaptive tensioning elastomer.
本发明采用上述技术方案， 与现有技术相比具有如下优点： 本发明在工 作装置上装有卷扬系统， 卷扬上缠绕着两根钢绳， 分别从卷扬的两端开始缠 绕（钢绳旋向相同）， 当卷扬转动插入时， 其中一股钢绳收回， 钢套管下插 入土壤， 另一股钢绳放绳； 当卷扬反方向转动时， 原先放绳的钢绳收回， 通 过顶部滑轮组将钢套管拔出土壤， 原先收绳的钢绳放绳。 这种通过卷扬提供 动力的插管是完全受液压系统控制的， 结构筒单， 且土壤硬度不会给插入速 度带来影响。这种卷扬加压插板机构的钢套管是在设置在工作装置上的滑槽 内上下滑动的， 与国内现有的电动振动锤式的插板机的套管无导向， 不能确 定套管插入的角度相比， 该种插板机构完全能够满足施工的质量要求。  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) When 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; when 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.
同时本发明在卷扬内部卷扬滚筒的两端分别安装一个行星减速机和一 个马达。 两个马达油口交叉相接， 这样两个马达转向相反， 同时给卷扬滚筒 出力， 提高了卷扬的动力。  At the same time, 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.
本发明通过在张紧滑轮组上连接张紧油缸， 张紧油缸与自适应张紧弹性 体， 保证了钢绳不会在卷扬产生跳绳或乱绳， 设备仍能正常工作， 能够自适 应张紧。  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. .
附图说明 DRAWINGS
图 1是本发明双绳卷扬结构的示意图。  BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of a double rope hoisting structure of the present invention.
图 2是本发明卷扬滚筒的结构示意图。  Figure 2 is a schematic view showing the structure of the hoisting drum of the present invention.
具体实施方式 下面结合附图对本发明的技术方案进行详细说明： detailed description The technical solution of the present invention will be described in detail below with reference to the accompanying drawings:
如图 1、 图 2所示， 一种插板机双驱动大扭矩双绳卷扬结构， 包括顶部 滑轮组 1、 钢套管 2、 张紧滑轮组 3、 卷扬 7、 卷扬滚筒 8、 下部滑轮组 9、 第一马达 10、 第一行星减速机 1 1、 第二马达 12、 第二行星减速机 1 3 , 卷扬 7分别与第一钢绳 14、 第二钢绳 15的一端连接， 第一钢绳 14、 第二钢绳 15 分别从卷扬 7的两端开始缠绕， 第一钢绳 14的另一端经过顶部滑轮组 1后 与钢套管 2连接， 第二钢绳 15 的另一端经过张紧滑轮组 3、 下部滑轮组 9 后与钢套管 2连接； 卷扬 7上设置卷扬滚筒 8 , 卷扬滚筒 8的两端分别设置 第一行星减速机 11、第二行星减速机 1 3 ,第一行星减速机 11与第一马达 10 连接， 第二行星减速机 1 3与第二马达 12连接。  As shown in Fig. 1 and Fig. 2, 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. 9. 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.
如图 1所示，本发明位于张紧滑轮组 3与卷扬 7之间的钢绳上布置导向 滑轮组 4。  As shown in Fig. 1, 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.
如图 1所示， 本发明的张紧滑轮组 3上连接张紧油缸 5。  As shown in Fig. 1, the tension cylinder block 5 of the present invention is connected to the tension cylinder 5.
如图 1所示， 本发明的张紧油缸 5上连接自适应张紧弹性体 6。  As shown in Fig. 1, the tensioning cylinder 5 of the present invention is connected to an adaptive tensioning elastic body 6.
如图 1所示， 本发明在工作装置上装有卷扬系统， 卷扬 7上分别缠绕第 一钢绳 14、 第二钢绳 15 , 第一钢绳 14、 第二钢绳 15分别从卷扬的两端开始 缠绕（钢绳旋向相同 ), 第二钢绳 15经过其上方导向滑轮组 4和张紧滑轮组 3返回至工作装置的底部， 再经过下部滑轮组 9往上栓在钢套管 2上； 第一 钢绳 14直接往上至工作装置顶部滑轮组 1 ,返回往下也栓在钢套管 2上。 当 卷扬 7转动插入时， 第二钢绳 15收回， 钢套管下插入土壤， 第一钢绳 14放 绳； 当卷扬 Ί反方向转动时， 第一钢绳 14收回， 通过顶部滑轮组 1将钢套 管 2拔出土壤， 第二钢绳 15放绳。 如图 2所示，本发明在卷扬滚筒 8两端分别安装第一马达 10、第一行星 减速机 11、 第二马达 12、 第二行星减速机 13。 两个马达油口交叉相接， 这 样两个马达转向相反， 同时给卷扬滚筒 8出力。 As shown in FIG. 1, 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. When the hoisting 7 is rotated and inserted, the second steel rope 15 is retracted, the steel casing is inserted into the soil, and the first steel rope 14 is placed on the rope; when the hoisting hoist is rotated in the opposite direction, the first steel rope 14 is retracted, passing through the top pulley block 1 The steel casing 2 is pulled out of the soil, and the second steel rope 15 is taken out. As shown in Fig. 2, in the present invention, 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.
本发明的张紧滑轮组 3上连接张紧油缸 5 , 张紧油缸 5又与自适应张紧 弹性体 6连接。 由于套管自重 G和土壤的吸附力 f 的存在， 工作过程中起拔 力比插入力大 1. 5倍左右，也即插管时钢绳伸长将比拔管时钢绳伸长量要小。 同时从图 1中可以看出， 由卷扬 7的安装位置确定了在最大起拔力（也即套 管插入到最深处 ) 时插管第一钢绳 14比拔管第二钢绳 15短了很多， 因此， 插管时第一钢绳 14的伸长量要比拔管时第二钢绳 15伸长量短了好几倍。 因 此， 如图 1所示， 我们将张紧油缸 5安装在下部主架上， 并在张紧油缸 5底 部安装了一个自适应张紧弹性体 6 , 同时该自适应张紧弹性体 6被约束了一 定的行程， 当压缩到达该行程后， 油缸的支承力 （张绳力）将由油缸下销轴 提供， 以保证由两根钢绳组成的闭环内部有一定的预紧力 F0 ,该预紧力的大 小将接近插管所需的插入力 （F0 « f l ) 。 这时第一钢绳 14 的伸预伸长量为 dl , 第二钢绳 15的预伸长量为 d2 , 在钢套管 2的钢绳接头回到工作装置顶 端时， 第一钢绳 14与第二钢绳 15的未缠绕长度近似相等， 故 dl « d2。  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). A lot, therefore, 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 ). At this time, the first steel cord 14 has a pre-elongation amount of dl, and the second steel cord 15 has a pre-elongation amount of d2. When the steel cord joint of the steel sleeve 2 returns to the top of the working device, the first steel cord 14 It is approximately equal to the unwound length of the second steel cord 15, so dl « d2.
本发明的钢套管 2回到顶端未进行插入作业时： F1 = F2-G, 此时： F1 = F0，也即： F2 = F0+G  When the steel casing 2 of the present invention is returned to the top without being inserted: F1 = F2-G, at this time: F1 = F0, that is: F2 = F0+G
当进行插入作业时： Fl = f l+F2-G  When inserting: Fl = f l+F2-G
当进行拔管作业时： F2 = f l+Fl+G  When performing a extubation operation: F2 = f l+Fl+G
其中： F1为第一钢绳 14的拉力， F2为第二钢绳 15的拉力， G为钢套管 的自重， f l为插管时土壤阻力， f 2为拔管时土壤阻力 当插管作业时， 由于土壤的阻力， 使第一钢绳 14 的张力相应增大， 伸 长量也随着力的增加而线性增加， 相应第二钢绳 15 的伸长量也相应减小， 减小的长度与第一钢绳 14增加的长度相等， 也即 F2相应减小， 并保持在平 衡的状态。 当土壤阻力增大到接近钢绳预紧力时 （即 f l « F0 ) , 第一钢绳 14将伸长到预紧时的两倍长度，这时第二钢绳 15伸长量也缩回并接近于 0 , 也即第一钢绳 14的拉力 Fl « f l-G。第二钢绳 15也并未松驰，卷扬工作正常。 Where: 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, and f 2 is the soil resistance when the tube is extruding When the intubation operation is performed, the tension of the first steel cord 14 is correspondingly increased due to the resistance of the soil, and the elongation is linearly increased as the force increases, and the elongation of the corresponding second steel cord 15 is correspondingly reduced. The reduced length is equal to the increased length of the first steel cord 14, that is, F2 is correspondingly reduced and maintained in a balanced state. 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.
当进行拔管作业时， 由于土壤的阻力和钢套管的自重， 第二钢绳 15 的 拉力会比插管时第一钢绳 14的拉力大得多。 而此时由于钢套管 2 已经大部 分或全部插入地面， 第一钢绳 14的未缠绕长度较短， 第二钢绳 15的长度已 经接近未插管时的两倍， 因此， 当拔管时， 第二钢绳 15 的伸长量将是未插 管时的两倍， 这时第一钢绳 14将会松弛， 此时自适应张紧弹性体 6将发挥 作用， 使油缸上升， 以补偿第一钢绳 14的松驰， 并使第一钢绳 14保持由弹 性体弹力产生的张绳力， 第一钢绳 14将不会在卷扬 7上出现乱绳， 机器仍 能正常工作。  When the pipe pulling operation is performed, 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. At this time, since most or all of the steel sleeve 2 has been inserted into the ground, 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 At the same time, 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.

Claims

权利要求书 Claim
1、 一种插板机双驱动大扭矩双绳卷扬结构， 其特征在于包括顶部滑轮 组（ 1 )、 钢套管 （ 2 )、 张紧滑轮组（ 3 )、 卷扬 （ 7 )、 卷扬滚筒 （ 8 )、 下部滑 轮组 （9)、 第一马达（10)、 第一行星减速机（11)、 第二马达（12)、 第二 行星减速机（ I3 ), 卷扬 （ 7 ) 分别与第一钢绳（ I4 )、 第二钢绳（ I5 ) 的一 端连接， 第一钢绳 （10、 第二钢绳 （15 ) 分别从卷扬 （7 ) 的两端开始缠 绕， 第一钢绳（ I4 ) 的另一端经过顶部滑轮组（ 1 )后与钢套管 （ 2 )连接， 第二钢绳（ 15 ) 的另一端经过张紧滑轮组（ 3 )、 下部滑轮组（ 9 )后与钢套 管 （ 2 ) 连接； 卷扬 （ 7 ) 上设置卷扬滚筒 （ 8 ), 卷扬滚筒 （ 8 ) 的两端分别 设置第一行星减速机（ 11 )、 第二行星减速机（ 13 ), 第一行星减速机（ 11 ) 与第一马达（10)连接， 第二行星减速机（13)与第二马达（12)连接。 1. A double-drive high-torque double-rope hoisting structure for a plug-in machine, comprising a top pulley block (1), a steel sleeve (2), a tension pulley block (3), a hoisting (7), a hoisting roller (8), lower pulley block (9), first motor (10), first planetary reducer (11), second motor (12), second planetary reducer (I 3 ), winch (7) and One end of the first steel cord (I 4 ) and the second steel cord (I 5 ) are connected, and the first steel cord (10, the second steel cord (15) are respectively wound from the both ends of the hoisting (7), first The other end of the steel rope ( I 4 ) is connected to the steel casing ( 2 ) through the top pulley block ( 1 ), and the other end of the second steel rope ( 15 ) passes through the tension pulley block ( 3 ) and the lower pulley block ( 9 ) The steel sleeve (2) is connected; the hoisting roller (8) is arranged on the hoisting (7), and the first planetary reducer (11) and the second planetary reducer (13) are respectively disposed at two ends of the hoisting drum (8) The first planetary reducer (11) is coupled to the first motor (10), and the second planetary reducer (13) is coupled to the second motor (12).
2、 根据权利要求 1 所述的插板机双驱动大扭矩双绳卷扬结构， 其特征 在于上述位于张紧滑轮组 （ 3 ) 与卷扬 （7 )之间的钢绳上布置导向滑轮组 2. The double-drive high-torque double rope hoisting structure of the card insertion machine according to claim 1, wherein the guide pulley block is arranged on the steel rope between the tension pulley block (3) and the hoisting (7).
(4)。 (4).
3、 根据权利要求 1 所述的插板机双驱动大扭矩双绳卷扬结构， 其特征 在于上述张紧滑轮组（ 3 )上连接张紧油缸（ 5 )。  3. The double-drive high-torque double-rope hoisting structure of the card insertion machine according to claim 1, wherein the tensioning pulley block (3) is connected to the tensioning cylinder (5).
4、 根据权利要求 3 所述的插板机双驱动大扭矩双绳卷扬结构， 其特征 在于上述张紧油缸（ 5 )上连接自适应张紧弹性体（ 6 )。  4. The double-drive high-torque double rope hoisting structure of the card insertion machine according to claim 3, characterized in that the tensioning cylinder (5) is connected to the adaptive tensioning elastic body (6).
PCT/CN2012/087433 2012-04-01 2012-12-25 Twin rope winch structure with twin drive and high torque for plate inserting machine WO2013149487A1 (en)

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CN110329936B (en) * 2019-06-27 2020-11-24 三一重机有限公司 Tensioning structure, static pressure spile machine wire rope hoist structure and static pressure spile machine
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