CN1458383A - Multifunctional drill machine and its construction method - Google Patents

Multifunctional drill machine and its construction method Download PDF

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CN1458383A
CN1458383A CN 03137579 CN03137579A CN1458383A CN 1458383 A CN1458383 A CN 1458383A CN 03137579 CN03137579 CN 03137579 CN 03137579 A CN03137579 A CN 03137579A CN 1458383 A CN1458383 A CN 1458383A
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drill
output shaft
drilling
rig
outer periphery
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CN1312376C (en
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钱奂云
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钱奂云
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Abstract

The present invention relates to a kind of multifunctional drilling machine for drilling in stratum, constructing base pile and treating soft foundation and its construction method. The multifunctional drilling machine includes support machine capable of walking on ground; driving head containing frame, driver and output shaft; and drilling utensil. The present invention features the triple output shaft comprising central output shaft, middle output shaft and peripheral output shaft capable of rotating around the same axis, in the same or different rotation speed and in the same or oppositedirections; and the combined drilling utensil comprising selected parts.

Description

多功能钻机及其施工方法 Multifunctional drilling rig and its construction method

技术领域 FIELD

本发明涉及一种在土木建筑等工程中钻削地层,构筑地下基础桩、对软质地基加固处理的多功能钻机及其施工方法。 The present invention relates to a drilling formation in the civil engineering construction, constructing an underground foundation pile, construction method and multifunction rig soft texture Reinforcement process.

背景技术 Background technique

目前构筑地下基础桩,可使用如下几种钻机:1、螺旋钻机:这种被公知的螺旋钻机主要由支撑机,钻机动力头,螺旋钻杆构成;在钻机动力头的驱动下螺旋钻杆一边旋转,一边沿支撑机的立柱向下运动,螺旋钻杆下端的钻头钻削地层,被钻削松散的土砂由螺旋钻杆外周的螺旋叶排至地面,形成桩孔,在桩孔中插入钢筋笼并灌注混凝土,即可构筑成地下基础桩。 Currently constructing underground foundation pile, can be operated with the following drill: 1, auger: This is a known auger is supported mainly by the machine, drill head, a helical drill configuration; driven drill head auger shaft side rotating column, an edge of the downward movement of the supporting unit, the lower end of the drill auger bit drilling formations, loose earth and sand to be drilled by the helical blade of the auger shaft to the outer periphery of the discharging surface, the pile hole is formed, inserted in the steel pile bore cage and pouring of concrete, you can build into underground foundation piles.

日本实用新型专利(实公平7-3269)还公开了另一种螺旋钻机,与上述螺旋钻机的不同之处是,它的钻机动力头是由一组特殊的行星齿轮构成的,可以分别驱动钻头和螺旋叶以不同转速旋转。 Japanese Utility Model (Kokoku 7-3269) also discloses another auger, differences from the above-described auger is its drill head by a special set of planetary gears may be driven separately drill and a helical blade rotating at different speeds.

2、套筒螺旋钻机(在日本被称为SMD钻机):主要由支撑机、钻机动力头、外套筒和螺旋钻杆构成;在钻机动力头的驱动下,外套筒和螺旋钻杆一边旋转,一边沿支撑机立柱向下运动,钻削地层,由螺旋钻杆外周的螺旋叶排土,形成桩孔,在桩孔中插入钢筋笼并灌注混凝土,即可构筑成地下基础桩。 2, auger sleeve (called SMD drill in Japan): mainly supported by the machine, drill head, an outer sleeve and a helical drill configuration; driven drill head, while the outer sleeve and the auger shaft rotation, a rim supporting the downward movement of the machine column, the formation drilling, soil removal by the screw auger shaft leaves the outer periphery of the hole formed in the pile, the pile is inserted into the hole in the steel cage and pouring of concrete, to build into the underground foundation pile.

3、分离驱动套筒螺旋钻机(在日本被称为SDA钻机):主要由支撑机、外侧动力头,内侧动力头,外套筒和螺旋钻杆构成;在外侧动力头和内侧动力头的分别驱动下,外套筒和螺旋钻杆一边旋转,一边沿支撑机立柱向下运动,钻削地层,由螺旋钻杆外周的螺旋叶排土,形成桩孔,在桩孔中插入钢筋笼并灌注混凝土,即可构筑成地下基础桩。 3, the drive sleeve auger separation (referred to as SDA drill in Japan): mainly supported by the machine, the outside power head, power head inside the outer sleeve and the auger shaft configuration; respectively inside and outside the powerhead powerhead driven, and an outer sleeve while rotating the auger shaft, supporting a machine upright edge moves downwardly, drilling the formation by helical auger shaft earthmoving blade outer periphery of the hole formed in the pile, the pile is inserted into the hole in the steel cage and perfused concrete, you can build into underground foundation piles.

目前,对软质地基加固处理,可使用如下几种钻机:1、单向旋转深层搅拌钻机(在日本被称为CDM工法机):主要由支撑机、钻机动力头、搅拌钻杆构成;在钻机动力头的驱动下,搅拌钻杆一边单向旋转、一边向下运动钻削地层,并由钻头前端喷出水泥浆,搅拌钻杆的搅拌叶把钻削松散的土砂与水泥浆进行强制混合搅拌,钻削搅拌至设定深度后,提起钻机动力头和搅拌钻杆;重复上述步骤,并经一定固化时间,即可完成大面积的水泥混合土的加固地基。 At present, the soft texture Reinforcement process, may be operated with the following drill: 1, one-way rotary drill deep mixing (referred to as CDM Method machine in Japan): mainly supported by the machine, drill head, the drill pipe configured stirred; the driven drill head, the drill pipe while stirring unidirectional rotational, downward movement while drilling the formation by the drill tip discharge slurry, stirring the stirring blade of the drill pipe loose earth and sand drilling mud forced mixing with water stirring, and stirred until the set drilling depth, filed stirring rod and drill head; repeating the above steps, and after a certain curing time, to complete mixing of cement and reinforcing foundation soil a large area. 上述钻机可以是一根搅拌钻杆,也可以是复数搅拌钻杆。 Above may be a stirring drill rod, drill pipe may be a plurality of stirring.

2、双向旋转深层搅拌钻机(在日本被称为ASC工法机):主要由支撑机、钻机动力头、搅拌杆和钻杆构成,在钻机动力头的驱动下,搅拌杆和钻杆分别以不同转速朝相反方向旋转,并同时向下运动,钻杆前端的钻头钻削地层,并从钻头先端喷出水泥浆,用搅拌杆的搅拌叶把钻削松散的土砂与水泥浆进行强制混合搅拌,钻削搅拌至设定深度后,提起钻机动力头、搅拌杆和钻杆;重复上述步骤,并经一段时间固化,即可完成大面积的水泥混合土的加固地基。 2, bidirectional rotary drill deep mixing (referred ASC construction method used in Japan): mainly supported by the machine, drill head, the drill rod and stirring configured, driven drill head, the drill rod and stirring are different rotational speed in the opposite direction, and simultaneously moved downward, the front end of the drill bit drilling formations, and ejected from the drill bit tip slurry, was stirred with a stirring rod drilling leaves the loose earth and sand slurry with forced mixing, after stirring for drilling to a set depth, lift drill head, the drill rod and stirring; repeating the above steps, and after a period of curing, to complete the cement reinforcing foundation soil a large area.

上述构筑地下基础桩的钻机技术存在如下缺点:1、螺旋钻机:1)在钻孔时为了获得较大的切削力,一般采用低转速大扭矩驱动钻头钻削地层;而为了顺畅和高效率的排土,一般需要螺旋钻杆的螺旋叶有较高的转速;但由于这种螺旋钻机的螺旋钻杆的钻头和螺旋叶为同轴的一体结构,钻削和排土无法同时选择两种转速,无法同时实现高效率的钻削和排土。 Constructing an underground foundation pile presence of the art rig the following disadvantages: 1, auger: 1) during drilling in order to obtain a greater cutting force, generally low speed high torque driving the drill bit drilling the formation; and for smooth and efficient soil removal, typically requires a helical auger shaft lobe higher speeds; however due to the helical drill pipe and drill rig such helical spiral blade speed can not be selected at the same time as one of the two kinds of structures, coaxial drilling and soil removal We can not achieve high efficiency of drilling and soil removal at the same time.

2)由于螺旋钻杆刚度有限,钻孔较深时,会产生桩孔偏斜的现象;并且不适用于卵、砾石层及岩基地层钻进。 2) limited due to the helical drill rigidity, deep drilling, will have pile hole skew phenomenon; and not applicable to egg, gravel and rock drilling base layer.

3)当在砂石或较松散地层钻孔时,容易出现孔壁坍塌现象,在这种情况下,一般需要将孔中灌满泥浆护壁,并需要对泥浆比重、灌注、排放进行严格的管理,否则会造成环境污染。 3) When drilling in unconsolidated formation sand or more prone to collapse phenomenon hole wall, in which case, typically requires holes filled with mud wall, and the need for mud weight, perfusion, strict management emissions , otherwise it will cause environmental pollution.

4)采用上述泥浆护壁方法,将造成施工过程的复杂化:需从泥浆底部灌注混凝土将泥浆置换出桩孔,并容易出现桩身断面缺损的质量问题。 4) Slurry Wall above-described method, complicates the construction process: concrete is poured from the bottom of the slurry required to displace mud pile hole, and the pile section prone to quality defects.

5)日本实用新型专利(实公平7-3269)公开的螺旋钻机,虽然可以分别驱动钻头低速旋转和螺旋叶高速旋转,但其钻头与螺旋叶转速的相对比例是固定的,仍然存在不能按具体施工条件将钻头和螺旋叶都分别调整到最佳转速的缺点,存在容易出现孔壁坍塌、需用泥浆护壁、造成环境污染的问题,并由于灌注混凝土的工艺复杂,会出现桩身断面缺损的质量问题。 5) Japanese Patent Utility Model (Kokoku 7-3269) disclosed auger, although the drill bit may be driven low-speed rotation and high speed rotation of the spiral blade, respectively, but the relative proportions of the drill bit rotational speed of the helical blade is fixed, there is still not according to the specific construction of the drill bit and the spiral leaf conditions were adjusted to an optimum speed are disadvantages exist prone to collapse the cell walls, required mud wall, causing environmental pollution problems due to the pouring of concrete and complex process, defects occur pile section Quality issues.

2、套筒螺旋钻机(SMD、SDA钻机):由于在螺旋钻杆之外增设了外套管,可以解决钻孔时孔壁坍塌的问题,但仍然存在螺旋钻杆的钻削和排土无法同时选择不同的最佳转速的缺点。 2, auger sleeve (SMD, SDA rig): Due to the addition of a jacket outside the spiral drill pipe, drill hole can solve the problem when the wall collapsed, but there are still spiral drill pipe and drilling waste dump can not at the same time select a different optimal rotational speed of disadvantages.

特别是SDA钻机由外侧动力头和内侧动力头构成的分离驱动的钻机动力头,存在整机重量大,造价高,稳定性差的缺点。 In particular the separation SDA rig consisting of the outer and inner power head powerhead driven drill head, there is a large total weight, high cost, poor stability shortcomings.

前述对软质地基加固处理的钻机技术存在如下缺点:1、单向旋转深层搅拌钻机(CDM工法机): The technique has the following disadvantages rig soft texture Reinforcement treatment: 1, one-way rotating drill deep mixing (CDM machine engineering methods):

1)在钻削地层时为了获得较大的切削力,希望低转速大扭矩驱动钻头钻削地层,而为了把注入的水泥浆与被钻削松散的土砂高效率的充分搅拌混合,希望搅拌叶能以较高速度旋转,但由于搅拌杆的钻头和搅拌叶为同轴的一体结构,钻削和搅拌无法同时选择两种转速,无法同时实现高效率的钻削和搅拌,钻进速度较低。 1) When drilling the formation in order to obtain a large cutting force, desired low speed high torque drive the drill bit drilling formations, and in order to inject grout loose earth and sand to be drilled with high efficiency sufficiently stirred and mixed, a stirring blade hope rotate at a higher speed, but due to the stirring rod and stirring blades of the drill bit is coaxially integral structure, can not be selected simultaneously drilling and stirring both speeds, drilling and stirring impossible to realize both high efficiency and low rate of penetration .

2)由于搅拌杆单向旋转,遇到粘性土层时,粘土会逐渐粘结在搅拌叶上形成粘土坨,与搅拌叶共转,而无法起到水泥浆与土砂充分搅拌混合的作用,造成质量问题。 2) the one-way rotation of the stirring rod, the face of cohesive soil layer, bonded clay gradually formed lump of clay on a stirring blade, were co-transfected with a stirring blade, and can not function as the earth and sand slurry is thoroughly mixed, resulting in Quality issues.

2、双向旋转深层搅拌钻机(ASC工法机):该机虽然可分别驱动钻头低速旋转,搅拌杆高速旋转,但由于搅拌杆上的两组搅拌叶仍然是向同一方向旋转,仍然存在粘性土与搅拌叶粘结成坨,产生共转的问题。 2, bidirectional rotary drill deep mixing (ASC machine engineering methods): Although the machine may drive the drill speed rotation, high speed rotation of the stirring rod, the stirring rod because the two stirring blades is still rotated in the same direction, and there is still Clay stirring blades bonded into a lump, the problem of common turn.

上述构筑地下基础桩和对软质地基加固处理的两类钻机还存在功能单一、使用有局限性的缺点:虽然从单向或双向旋转的驱动原理上看,这两类钻机似乎相同的,但由于施工目的不同,绝对转速值相差很多,例如:构筑地下基础桩的各种钻机转速范围在3~40min-1,而对软质地基加固处理的钻机转速范围在20~80min-1。 Build underground foundation piles above two types of drilling rigs and soft texture of the soil foundation treatment there are single function, there are limitations of use Cons: Although unidirectional or bidirectional rotation drive principle point of view, these two types of rigs seem the same, but Since different construction purposes, a lot of difference absolute speed value, for example: constructing an underground foundation pile various drill speed range 3 ~ 40min-1, the drill speed range of the soft texture of soil foundation treatment in 20 ~ 80min-1. 而即使是同一类钻机,由于施工条件(如地层条件、孔径大小)不同,所需要的转速也不同。 And even if the same kind of drilling rig, due to construction conditions (such as formation conditions, pore size) is different from the desired speed is also different. 因此,按照现有技术,构筑地下基础桩或对软质地基加固处理,需分别选用不同的钻机,使投资增大、设备利用率低。 Thus, according to the prior art, constructing foundation piles or underground Reinforcement soft texture processing, respectively, need to use different rigs, so that the investment is increased, equipment utilization is low.

发明内容 SUMMARY

本发明的目的在于提供一种即能构筑地下基础桩,又能对软质地基加固处理的一机多用途的多功能钻机及其施工方法;用这种多功能钻机可以在低速大扭矩钻削地层的同时,高速高效率地排土或搅拌;而且桩孔无需泥浆护壁、无环境污染,适用于多种地层施工。 Object of the present invention is to provide an underground foundation pile is able to build, but multifunction rig and a multi-purpose machine construction method for a soft texture Reinforcement processing; this multifunction rig can drill at a low speed high torque at the same time the formation of high speed or high efficiency Dumping stirring; slurry Wall and without pile hole, no environmental pollution, the formation for a variety of construction.

本发明的目的是由下述技术方案实现的:一种多功能钻机主要包括:支撑机、钻机动力头和钻具。 Object of the present invention are achieved by the following technical solutions: A multifunction rig including: a support machine, drill and drill head.

上述支撑机主要由可在地面上走行的底座,设置在底座上的立柱、卷扬机组、操作室和牵引钢丝绳构成。 Mainly by the support base may be traveling on the ground, the pillar is provided on the base, group hoist, and traction rope configuration operating room.

上述钻机动力头主要由可移动的机架,设置于机架之上并含有原动机、减速机和出力轴的驱动装置构成;钻机动力头通过牵引钢丝绳悬挂于支撑机的立柱上,并可以上下移动。 The above-described drill head is mainly composed of the movable frame, disposed on the frame and comprising a prime mover, and the gear drive output shaft configuration; drill head by pulling on the rope suspension upright support machines, and may be down mobile.

上述钻具与钻机动力头的出力轴相互联接。 Output shaft of the drill and drill head coupled to each other.

其特征在于:所述钻机动力头的出力轴是由中心出力轴、中间出力轴和外周出力轴构成的三重出力轴;可以分别由1台以上原动机驱动,经减速机减速,按同一轴心,分别以相同或不同转速,朝相同或相反方向旋转。 Wherein: the output shaft of the drill head is from the center of the output shaft, the output shaft triple intermediate output shaft and the outer periphery of the output shaft configuration; may each be driven by a prime mover or more units, the gear reducer, according to the same axis , respectively, rotate in the same or opposite direction with the same or different speeds.

所述的钻具是可以根据使用需要,由钻具部件进行任意搭配组合而构成的一种组合钻具,钻具部件主要包括:由空心钻杆、切削刀盘、联轴器和喷射口构成的钻头,由空心轴、螺旋叶和联轴器构成的螺旋杆,由空心轴、搅拌叶和联轴器构成的搅拌杆,由套筒、切削刀头、联轴器和排土口构成的外周钻筒。 The drill can be performed with any combination of drill members A composition according to the use needs drill, drill member made of the following: constituted by a hollow drill pipe, cutting discs, injection port and coupling drill bit, a hollow shaft, a spiral screw blade, and coupling constituted by a hollow shaft, a stirring blade and a stirring rod coupling configuration, a sleeve, cutting head, and the coupling port configured Dumping the outer periphery of the drill tube. 上述钻具部件,可以分别单独使用,也可以相互搭配组合使用。 Above drill member, may be used alone, it may be used in combination with each other.

使用上述多功能钻机构筑地下基础桩的施工方法,具有以下步骤:多功能钻机走行到施工位置,将所需钻具,即钻头、螺旋杆、外周钻筒,分别与钻机动力头的三重出力轴的中心出力轴、中间出力轴、外周出力轴联接;启动钻机动力头的各个原动机,使钻头按10~20min-1的低转速旋转,使螺旋杆按20~40min-1的高转速并与钻头同方向旋转,使外周钻筒按2~20min-1超低转速并与钻头反方向旋转;钻机动力头向下移动,钻头和外周钻筒随之旋转钻削地层,螺旋杆向上排土;钻削至预定深度后停止钻具旋转,将外周钻筒与联轴器分离,钻头和螺旋杆随钻机动力头向上提升后,多功能钻机向一旁移动一适当距离;向留在地下的外周钻筒中放入钢筋笼并灌注混凝土后,多功能钻机移动回原位置,使用支撑机立柱上的辅助吊钩将外周钻筒吊上地面,并与联轴器联接 Using the multifunction rig constructing an underground foundation pile construction method, comprising the following steps: construction multifunction rig traveling position to the desired drilling, i.e. drill, screw, the outer periphery of the drill tube, respectively drill head triple output shaft central output shaft, the intermediate output shaft, the outer periphery of the output shaft is coupled; each prime mover starting drill head, the drill according to the low rotational speed 10 ~ 20min-1 of the screw according to high speed 20 ~ 40min-1 and with with the direction of rotation of the drill bit, the outer periphery of the drill tube 2 ~ 20min-1 by ultra low speed rotation of the drill and a reverse direction; drill head is moved downward, the outer periphery of the drill tube and the drill bit for rotation therewith formation drilling, screw up dump; after drilling to a predetermined depth stop rotation of the drill, the drill tube and the outer periphery of the coupling to be separated, with the drill bit and the drill screw head upward, multifunction rig moved to the side of a proper distance; to drill the outer periphery of the left in the ground after the cartridge into the reinforcement cage and concrete is poured multifunction rig moves back to the original position, the hook on the auxiliary support pillar outer periphery of the drill machine cylinder hanging on the ground, and coupled with the coupling 地下钢筋混凝土经一段时间固化后,即成为地下基础桩。 After a period of time underground reinforced concrete cured, i.e. becomes underground foundation pile.

使用上述多功能钻机对软质地基加固处理的施工方法,具有如下步骤:多功能钻机走行到施工位置,将所需钻具,即钻头、搅拌杆I,搅拌杆II分别与钻机动力头的三重出力轴的中心出力轴、中间出力轴、外周出力轴联接;启动钻机动力头的各个原动机,使钻头按10~30min-1的低转速旋转,使搅拌杆I按30~80min-1的高转速并与钻头反方向旋转,使搅拌杆II按30~80min-1的高转速并与搅拌杆I反方向旋转,钻机动力头向下移动,钻头随之钻削地层并从先端喷射口喷注水泥浆,搅拌杆I和搅拌杆II将钻削松散的土砂与水泥浆进行强制混合搅拌,形成水泥混合土的加固体,钻削搅拌至设定深度后,停止水泥浆喷注,向上提升钻机动力头及钻头、搅拌杆I和搅拌杆II,多功能钻机移动一个工作位置,继续上述过程的向下移动钻削、喷注水泥浆、搅拌和向上提升;重复上述 Multifunction rig using the method of construction of soft ground foundation strengthening treatment, comprising the following steps: construction multifunction rig traveling position to the desired drill, i.e. the drill bit, stirring rod I, II, respectively, the stirring rod and the drill head triplet central output shaft of the output shaft, the intermediate output shaft, the outer periphery of the output shaft is coupled; each prime mover starting drill head, the drill according to the low rotational speed 10 ~ 30min-1 and the stirring rod I high by 30 ~ 80min-1 is and the rotation speed of the drill in the opposite direction, and rotates the stirring rod and I II reverse direction by high speed stirring rod 30 ~ 80min-1, the drill head moves down along the drill bit from the drilling tip and the formation water injection Koupen slurry, stirring rod and stirring rods II I loose earth and sand with the drilling mud forced mixing of water with stirring to form a soil cement plus solid, and stirred until the set drilling depth, grout injection is stopped, lifted up drill drill head and the stirring rod of the stirring rod I and II, a multifunction rig moved working position, the above-described process continues downward movement drilling, cementing spraying, stirring and lifted up; repeating the above 步骤,即可形成一定区域的水泥混合土的加固体,经一段时间固化之后,成为具有一定承载力的坚固地基。 Step, the stiffening element can be formed of cement mixed soil of a certain area, over a period of time after curing, become rigid bearing capacity of foundation exists.

本发明的多功能钻机及其施工方法,有如下积极效果及优点:1、按照本发明,钻机动力头的三重出力轴,可以分别带动相应的钻具部件,按最佳组合设定转速和旋转方向,施工效率高,工程质量好。 And drilling rigs and construction method of the present invention, the following advantages and positive effects: 1, according to the present invention, a triple output shaft of the drill head, the drill member can drive corresponding respectively to set the best combination of speed and rotate direction, construction of high efficiency, good quality of the project.

例如:在构筑地下基础桩时,钻头和外周钻筒可以低速大扭矩、相反方向旋转钻削地层,螺旋杆可以高速、高效率排土;同时外周钻筒还可以保护孔壁不坍塌,施工工艺简单,无环境污染;由于是组合钻具,整体刚度强,钻孔成桩不会偏斜,垂直精度高;不仅适用于一般地层和松散地层施工,也适用于卵、砾石层及岩基地层钻进。 For example: When constructing an underground foundation pile, the drill bit and the outer periphery of the drill tube may be low speed high torque, opposite to the rotational direction of drilling formation, screw high-speed, high efficiency Dumping; while the outer periphery of the drill tube may also protect the cell walls do not collapse, construction technology simple, no environmental pollution; because it is a combination of drilling, the overall stiffness strong bored pile will not deflect high vertical accuracy; applicable not only to the formation and general construction unconsolidated formation, is also applicable to egg, gravel, and rock base layer drilling.

又例如:对软质地基加固处理时,钻头可以低速大扭矩钻削地层,双重搅拌杆可以高速和相反方向旋转,搅拌混合效果好,又能有效防止粘土成坨的共转现象发生,使质量稳定可靠,施工效率高。 Another example: when a soft texture Reinforcement processing, low speed high torque drilling bit may formation, double-speed and the stirring rods can rotate in opposite directions, stirring and mixing effect, but also to effectively prevent the clay lump phenomenon of co-rotating, so that the quality reliable, high construction efficiency.

2、按照本发明,三重出力轴可以驱动一组钻具部件,按不同方向钻削、排土或搅拌,扭矩方向相反,产生的反力方向也相反,并有相互抵消的作用,使整体钻机在工作时受力状态平衡稳定,是实现小型轻量化设计的基础。 2, according to the present invention, a triple output shaft may drive a set of drill string members, drilling in different directions, dump or stirring, the opposite direction of torque, the direction of the reaction force produced is also reversed, and the role of offsetting the entire drill when the work force stable state of equilibrium is the basis of size and weight design.

3、按照本发明,钻机动力头的传动结构紧凑,为一体结构,体积小、重量轻,即可降低制造成本,又使整机移动时的稳定性和安定度提高。 3, according to the present invention, the transmission structure drill head compact, unitary structure, small size, light weight, to reduce manufacturing costs, and so the stability and enhance the stability of the machine during the movement.

4、按照本发明,针对不同的施工目的和需要,可以灵活地组合配匹相应的钻具部件和设定相应的转速,进行多样化的施工,实现了一机多功能、多用途,可减少设备投资、提高设备的利用率和使用价值。 4, according to the present invention, the construction for different purposes and needs, in combination with the flexibility to match the respective drill string components and to set the appropriate speed for a variety of construction machines to achieve a multi-functional, multi-purpose, may be reduced equipment investment, improve utilization and value of the equipment.

附图说明 BRIEF DESCRIPTION

:图1是本发明的实施例1:多功能钻机A的主视图。 : FIG. 1 is an embodiment of the present invention: A front view of the multifunction rig.

图2是图1所示多功能钻机A的侧视图。 FIG 2 is a side A multifunction rig 1 shown in FIG.

图3是图1所示多功能钻机A的钻机动力头C的主视图。 FIG 3 is a front view of the drill head C A multifunction rig 1 shown in FIG.

图4是图3所示钻机动力头C的侧视图。 FIG 4 is a side view of the drill head C shown in FIG.

图5是图3所示钻机动力头C的驱动装置7的KK剖面图。 FIG 5 is a cross-sectional view of KK 3 C drill head drive means 7.

图6是图5所示驱动装置7的LL剖面图。 FIG 6 is a cross-sectional view of the drive means LL shown in Fig. 7.

图7是图1所示多功能钻机A的钻机动力头C和组合钻具Da联接的结构图。 FIG 7 is a configuration diagram drill head C and combinations A multifunction rig shown in Figure 1 coupled to the drill Da.

图8是图1所示多功能钻机A的钻机动力头C和组合钻具Db联接的结构图。 FIG 8 is a configuration diagram drill head C and combinations A multifunction rig shown in Figure 1 coupled to the drill Db.

图9a、图9b、图9c、图9d、图9e和图9f是本发明的实施例2:使用多功能钻机A构筑地下基础桩的施工方法步骤的示意图。 Figures 9a, 9b, FIG 9c, FIG. 9d, 9e and 9f FIGS embodiment of the present invention are 2: A schematic multifunction rig using the construction method of constructing an underground foundation pile steps.

图10a、图10b、图10c、图10d、图10e和图10f是本发明的实施例3:使用多功能钻机A对软质地基加固处理的施工方法步骤的示意图。 FIG. 10a, FIG. 10b, FIG. 10c, FIG. 10d, FIG. 10e and 10f are examples of the present invention 3: A schematic construction multifunction rig soft texture Reinforcement method step process is used.

图11是本发明的实施例4:多轴钻机动力头E的结构图。 Example 4 FIG. 11 is the present invention: a configuration diagram of a multi-axis drill head E.

图12是本发明的一种四轴组合钻具Dc的结构图。 FIG 12 is a configuration diagram of a four-shaft combination of the present invention the drill Dc.

图13是图12所示四轴组合钻具Dc的NN向视图。 FIG 13 is a four-axis 12 as shown in FIG combination drill Dc is a view NN.

图14是使用多功能钻机A打设预制桩(水泥管或钢管)的施工方法步骤的示意图。 FIG 14 is a schematic play A multifunction rig (cement or steel pipes) the method steps set prefabricated pile construction.

具体实施方式 Detailed ways

:下面结合附图及实施例,对本发明作进一步说明。 : The following embodiments and the accompanying drawings, the present invention will be further described.

实施例1:多功能钻机A参照图1、图2、图3、图4、图5、图6、图7和图8。 Example 1: A multifunction rig Referring to FIGS. 1, 2, 3, 4, 5, 6, 7, and 8.

一种多功能钻机A,主要包括:支撑机B、钻机动力头C和钻具D。 A multifunctional drill A, including: a support unit B, C drill head and drill D.

上述支撑机B主要由可在地面GL上走行的底座1,设置在底座1上垂直于地面GL的立柱2,卷扬机组3,操作室4和钢丝绳5构成;所述立柱2上还设有导向滑轨2a、顶部滑轮组2b、辅助吊钩2c、支撑杆2d、支承套2e;所述卷扬机组3可驱动牵引钢丝绳5和辅助吊钩2c。 The support unit B may be mainly by the base on the ground line GL 1 away, is provided on the base 1 perpendicular to the ground surface GL column 2, group 3 hoist, the operating chamber 4 and 5 constituting the wire rope; the uprights 2 is also provided with a guide rails 2a, upper block 2b, the auxiliary hook 2c, the support bar 2d, 2E bearing shell; the hoist 3 group can drive the traction rope 5 and the auxiliary hook 2c.

上述钻机动力头C主要由机架6和置于机架6上的驱动装置7构成;所述机架6上还设置有导向滑槽6a和滑轮组6b,机架6借助旋绕在滑轮组6b上的钢丝绳5悬挂于顶部滑轮组2b之下,并借助导向滑槽6a嵌在立柱2的导向滑轨2a上,在卷扬机3驱动的钢丝绳5的牵引下,机架6可沿立柱2上下移动;所述驱动装置7主要由固定在机架6上的箱体8、原动机9a、9b和9c、设置于箱体8上的行星减速机10a、10b和10c,安装在行星减速机10a、10b和10c的出力轴上的主动齿轮11a、11b和11c,从动齿轮12a、12b和12c、可导入液体的旋转接头15以及出力轴16构成;所述出力轴16是由借助轴承13a和13b支持的空心可旋转的中心出力轴16a,借助轴承13b支持的可旋转的中间出力轴16b,借助轴承13b和13c支持的可旋转的外周出力轴16c构成的三重出力轴;齿轮12a安装在中心出力轴16a上并与齿轮11a啮合,齿轮12b安装在中 The above-described drill head 6 and C mainly by the rack drive means disposed on the frame 67 constitutes; the frame 6 is also provided with a slide guide pulleys 6a and 6b, the frame 6 by means of the winding 6b of the upper block 5 is suspended below the top rope pulleys 2B, and by means of the guide chute 6a fitted on the guide rail 2a of the column 2, 3 driven in traction hoist rope 5, the frame 6 may be moved up and down along the column 2; the drive means fixed to the housing 7 is mainly composed of a frame 6 on 8, the prime mover 9a, 9b and 9c, disposed on the casing 8 planetary gear 10a, 10b and 10c, mounted on the planetary reducer 10a, 10b and 10c the output shaft of the driving gear 11a, 11b and 11c, the driven gears 12a, 12b and 12c, the liquid may be introduced into the rotary joint 15 and the output shaft 16 constitutes; the output shaft 16 by bearings 13a and 13b by means of a hollow support a rotatable central output shaft 16a, a rotatable intermediate via a bearing 13b supporting the output shaft 16b, by means of a rotatable outer periphery of the bearing 13b and 13c support the output triple output shaft 16c configured; gear 12a installed at a central output shaft 16a and engages with the gear 11a, a gear 12b mounted in 间出力轴16b上并与齿轮11b啮合,齿轮12c安装在外周出力轴16c上并与齿轮11c啮合;在原动机9a、9b和9c的分别驱动下,通过行星减速机10a、10b和10c减速,经齿轮11a、11b和11c与齿轮12a、12b和12c啮合传递动力,使三重出力轴16的中心出力轴16a、中间出力轴16b和外周出力轴16c按同一轴心,分别以选定转速和方向旋转。 Between the output shaft and 11b engaged with the gear 16b, the gear 12c mounted and 11c meshed with the gear on the outer periphery of the output shaft 16c; at each driven prime mover 9a, 9b and 9c, the planetary gear 10a, 10b and 10c deceleration, dried gears 11a, 11b and 11c with the gear 12a, 12b and 12c engaged to transmit power, the central triple output shaft 16 output shaft 16a, the intermediate output shaft 16b and 16c by the outer periphery of the output shaft in the same axis, are rotated at a selected speed and direction .

上述钻具D,是可以根据使用需要,选用适当钻具部件进行任意搭配而构成的一种组合钻具;钻具部件主要包括:钻头20、螺旋杆21、外周钻筒22、钻头23、搅拌杆24、25;所述钻头20主要由空心钻杆20a、切削刀盘20b、联轴器20c和喷射口20d构成;所述螺旋杆21主要由空心轴21a、螺旋叶21b和联轴器21c构成;所述外周钻筒22主要由套筒22a、切削刀头22b、联轴器22c和排土口22d构成;所述钻头23主要由空心钻杆23a、切削刀盘23b、联轴器23c和喷射口23d构成;所述搅拌杆24、25主要由空心轴24a、25a搅拌叶24b、25b和联轴器24c、25c构成。 Drill D above, is, for the choice of a suitable drill member A composition constituted by any combination drill according to the use requirements; drill member including: a drill bit 20, screw 21, the outer periphery of the drill tube 22, a drill bit 23, stirring rod 24, 25; 20 mainly consists of a hollow drill bit the drill pipe 20a, cutter discs 20b, 20c and couplings constituting the ejection port 20d; the screw 21 mainly consists of a hollow shaft 21a, 21b, and coupling the helical blade 21c configuration; outer periphery of the drill main cylinder 22 by the sleeve 22a, the cutting tip 22b, 22c and the coupling port 22d constituting Dumping; the drill bit 23 is mainly composed of a hollow drill rod 23a, cutter discs 23b, 23c coupling and the injection port 23d constitute; the stirring rods 24, 25 by a hollow main shaft 24a, 25a stirring blade 24b, 25b and coupling 24c, 25c configured.

一组钻具Da由钻头20、螺旋杆21和外周钻筒22构成,借助联轴器20c、21c和22c分别与三重出力轴16的中心出力轴16a、中间出力轴16b和外周出力轴16c联接,在三重出力轴16的驱动下,可按同一轴心,分别以选定的转速和方向旋转;借助旋转接头15,可经空心的中心出力轴16a向空心钻杆20a内导入液体,由钻头20前端的喷射口20d喷出。 A set of drill bit 20 Da, screw 21 and cylinder 22 constitute the outer periphery of the drill, by means of couplings 20c, 21c and 22c, respectively, and the output shaft 16 of the central triple output shaft 16a, and the intermediate output shaft 16b coupled to the outer periphery of the output shaft 16c in a triple output drive shaft 16, may be the same axis, respectively, at a selected speed and direction of rotation; by rotary joint 15, the output shaft 16a through the hollow center of the hollow rod introduced into the liquid 20a, by the bit the distal end 20 of the injection port 20d is ejected.

一组钻具Db由钻头23、搅拌杆24、25构成,借助联轴器23c、24c和25c分别与三重出力轴16的中心出力轴16a、中间出力轴16b和外周出力轴16c联接,并在三重出力轴16的驱动下,可按同一轴心,分别以选定的转速和方向旋转;借助旋转接头15,可经空心的中心出力轴16a向空心钻杆23a内导入液体,由钻头23前端的喷射口23d喷出。 A set of drill bit 23 Db, 24 and 25 constitute a stirring rod, by means of couplings 23c, 24c and 25c, respectively, with the central triple output shaft 16 output shaft 16a, the intermediate output shaft 16b and the outer periphery of the output shaft 16c is coupled, and triple driving output shaft 16, may be the same axis, respectively, at a selected speed and direction of rotation; by rotary joint 15, the output shaft 16a through the hollow center of the drill pipe introduces liquid into the hollow 23a, the front end of the drill 23 the injection port 23d is ejected.

实施例2:使用多功能钻机A构筑地下基础桩的施工方法。 Example 2: A multifunction rig construction method of constructing an underground foundation pile.

参照图9a、图9b、图9c、图9d、图9e和图9f。 Referring to FIG. 9a, Fig. 9b, 9c, FIG. 9d, 9e and FIG. 9f.

多功能钻机A走行到施工位置,将一组钻具Da的钻头20,螺旋杆21和外周钻筒22分别与钻机动力头C的三重出力轴16的中心出力轴16a、中间出力轴16b和外周出力轴16c联接,启动驱动装置7,使钻头20在转速n1=10~20min-1的范围内低速大扭矩旋转,使螺旋杆21在转速n2=20~40min-1的范围内与钻头20同方向高速旋转,使外周钻筒22在转速n3=2~20min-1的范围内与钻头20反方向低速大扭矩旋转,具体转速值,根据地层条件和钻孔直径设定;启动卷扬机3,通过钢丝绳5的牵引及钻机动力头C的重力作用,钻机动力头C沿立柱2向下移动,钻头20和外周钻筒22随之向下钻削地层,被钻削的土砂由螺旋杆21向上方输送,并通过排土口22d排出;在钻进过程中,根据地层硬度变化可随时调整钻具Da的转速,钻削至预定深度后,停止钻机动力头C的向下移动,待钻孔内的土砂完全排出后,停 Multifunction rig A traveling to the construction location, a set of drill Da of the drill bit 20, screw 21 and the outer periphery of the drill tube 22, respectively, with the center drill head C triple output shaft 16 of the output shaft 16a, the intermediate output shaft 16b and the outer periphery output shaft 16c is coupled, start the drive means 7, the drill bit 20 low speed high torque rotation in the range of the rotational speed n1 = 10 ~ 20min-1 of the screw 21 in the range of the rotational speed n2 = 20 ~ 40min-1 to the drill bit 20 with the direction of high speed rotation, the outer periphery of the drill tube 22 with the low speed high torque rotation of the drill bit 20 in the reverse direction in the range of the rotational speed of n3 = 2 ~ 20min-1, the specific speed value, according to ground conditions and drill diameter is set; start hoist 3, by gravity and wire rope traction drill head C 5, C drill head 2 is moved downward along the column, the drill bit 20 and the outer periphery of the drilling tube 22 downwardly along the formation, the earth and sand to be drilled upward by the coil 21 transported and discharged through the discharge port 22d earth; during drilling, the formation according to the change in hardness can adjust the rotational speed of the drill Da, after drilling to a predetermined depth, stopping the downward movement of the drill head C, be within the borehole after the complete discharge of earth and sand, stop 驱动装置7和钻具Da的旋转,将外周钻筒22与联轴器22c分离,钻头20和螺旋杆21随钻机动力头C向上提升到立柱2的顶端;多功能钻机A向一旁移动一适当距离;向留在地下的外周钻筒22中放入钢筋笼27,并灌注混凝土28;多功能钻机A移动回原位置,使用立柱2上的辅助吊钩2c将外周钻筒22吊上地面,并与联轴器22c联接,多功能钻机A可走行到下一个施工位置。 Drive means 7 and the rotation of the drill Da, the outer periphery of the drill tube couplings 22 and 22c separated from the drill bit 20 and the screw 21 with the drill head is lifted up to the top of column C 2; A multifunction rig is moved to the side of a suitable distance; in the ground to the outer periphery of the drill tube 22 into the steel cage 27, 28 and concrete is poured; a multifunction rig moves back to the original position, the auxiliary hook uprights 2 2c on the outer periphery of the cylinder 22 hanging on the drill floor, and the coupling 22c is coupled, multi-rig a line to go to the next construction location. 地下灌注的钢筋混凝土圆柱体,经一段时间固化后,即成为地下基础桩。 Perfusion underground reinforced concrete cylinders, for some time after curing, becomes an underground foundation pile.

实施例3:使用多功能钻机A对软质地基加固处理的施工方法。 Example 3: A multifunction rig construction method using the soft texture of the soil foundation treatment.

参照图10a、图10b、图10c、图10d、图10e和图10f。 Referring to FIG. 10a, FIG. 10b, FIG. 10c, FIG. 10d, FIG. 10e and 10f.

多功能钻机A走行到施工位置,将一组钻具Db的钻头23、搅拌杆24和搅拌杆25分别与钻机动力头C的三重出力轴16的中心出力轴16a、中间出力轴16b和外周出力轴16c联接,启动驱动装置7,使钻头23在转速n4=10~30min-1的范围内低速大扭矩地旋转,使搅拌杆24在转速n5=30~80min-1的范围内与钻头23反方向高速旋转,使搅拌杆25在转速n6=30~80min-1的范围内与搅拌杆24反方向高速旋转,具体转速值,根据地层条件和钻孔直孔径设定,启动卷扬机3,通过钢丝绳5的牵引及钻机动力头C的重力作用,钻机动力头C沿立柱2向下移动,钻头23、搅拌杆24和搅拌杆25随之向下进入地中,钻头23钻削地层,并从钻头23先端喷注水泥浆29,搅拌杆24和搅拌杆25将钻削松散的土砂与水泥浆29进行强制混合搅拌,形成水泥混合土的加固体30;在钻削搅拌的过程中,根据地层硬度和土质的变化,可 Multifunction rig A traveling to the construction location, a set of drill Db of the drill bit 23, stirring rods 24 and the stirring rod 25, respectively the central triple output shaft and drill head C 16 of the output shaft 16a, the intermediate output shaft 16b and the outer periphery of output shaft 16c is coupled, start the drive means 7, the drill bit 23 rotated at low speed high torque in the range of the rotational speed n4 = 10 ~ 30min-1 and the stirring rod 24 anti-drill 23 in the range of the rotational speed n5 = 30 ~ 80min-1 is the direction of high-speed rotation, high speed rotation of the stirring rod 25 within the speed range n6 = 30 ~ 80min-1 to the stirring rod 24 in the opposite direction, the specific speed value, according to ground conditions and drill straight aperture setting start hoist 3, the rope traction and gravity of the drill head C 5, C drill head 2 is moved downward along the column, the drill bit 23, stirring rods 24 and the stirring rod 25 downwardly into the ground along with the drill bit 23 drilling formation from the drill bit and 23 cementing spray tip 29, stirring rods 24 and the stirring rod 25 drilled loose earth and sand grout 29 with forced mixing, the mixed soil cement is formed stiffening 30; stirring during drilling, in accordance with the hardness and formation changes in soil, can 时调整钻头23、搅拌杆24和搅拌杆25的转速;钻削搅拌至预定深度后,停止喷注水泥浆29,将钻头23、搅拌杆24和搅拌杆25随钻机动力头C向上提升到立柱2的顶端,停止驱动装置7及钻具Db的旋转,一个单元的加固处理完成;多功能钻机A移动位置,重复上述步骤,进行下一个单元的施工,并使每个单元的加固体30相互连接,直至完成预定区域的加固处理施工,连成一片的水泥混合土的加固体30,经一段时间固化之后,即成为具有一定承载力的坚固地基。 When adjusting the bit 23, and the rotational speed of the stirring rod 25 of stirring rod 24; After stirring for drilling to a predetermined depth, cementing jet 29 is stopped, the drill bit 23, stirring rods 24 and the stirring rod 25 with the drill head is lifted up to the C pillar 2 tip, and the rotation driving means 7 to stop drilling and Db, a reinforcement unit is completed; a multifunction rig moved position, repeat the above step, the next construction unit, and the stiffening element of each cell 30 is connected to each other , until completion of construction reinforcement predetermined area, even as a soil cement buttress 30, over a period of time after curing, it becomes rigid bearing capacity of foundation exists.

实施例4:多轴钻机动力头E。 Example 4: E. polyaxial drill head

参照图11。 11 Referring to FIG.

多轴钻机动力头E是由本发明实施例1中的钻机动力头C演变而来的;将两个驱动装置7联接组合,并固定于机架31之上,就构成了具有两个三重出力轴16的多轴钻机动力头E,它可以同时驱动两组钻具D。 E is a multi-axis drill head in the drill head C in Example 1 of the present invention by the evolved; the combination of two drive means 7 is coupled, and fixed to the top of the frame 31, constitute the output shaft having two triplets multi-axis drill head E 16, which can drive two drill D.

结合上述实施例,对本发明进行了说明,但通过对钻机动力头或钻具部件的结构和组合方式作一些适当的改变,对施工步骤的细节作一些适当的调整,就可以在本发明的范围内,派生出各种不同的钻机及其相应的施工方法。 Connection with the above embodiments, the present invention has been described, but by the structure and combination of the drill head or drill member to make some appropriate changes in the details of construction steps to make some appropriate adjustments can scope of the invention inside, we derive a variety of drilling rigs and their corresponding construction methods.

例如:图12和图13所示的是一种四轴组合钻具Dc,使用它对软质地基加固处理,具有更高的施工效率。 For example: it is illustrated in FIGS. 12 and 13 in combination one kind of a four-axis drill Dc, using its soft texture Reinforcement treatment, with higher working efficiency.

又例如:图14所示的是,使用多功能钻机A打设预制桩(水泥管或钢管等)的施工方法步骤的示意图;利用这种施工方法,可以无振动、无噪音、高效率地打设预制桩。 Another example: FIG. 14 is a schematic view of the use of multifunction rig construction A playing method steps (cement or steel pipes and the like) provided prefabricated pile; With this construction method, no vibration, noise, high efficiency hit set precast piles.

Claims (5)

1.一种多功能钻机包括:支撑机、钻机动力头和钻具;所述支撑机主要由可在地面上走行的底座、立柱、卷扬机组、操作室和牵引钢丝绳构成;钻机动力头主要由可移动的机架、设置于机架之上并含有原动机、减速机和出力轴的驱动装置构成;钻具与钻机动力头的出力轴相联接;其特征在于:所述钻机动力头的出力轴,除可以是单一出力轴或双重出力轴之外,还可以是由中心出力轴、中间出力轴和外周出力轴构成的三重出力轴。 1. A multifunctional drill comprising: a support machine, drill and drill head; mainly by the support base may be traveling on the ground uprights group hoist, and traction rope constitute operation chambers,; mainly by the drill head a movable frame disposed above the frame and containing the prime mover, and the gear drive output shaft configuration; output shaft of the drill and drill head is coupled; characterized in that: the output of the drill head axis than the other may be single or dual output shaft the output shaft, the output shaft may be further from the center, the outer periphery of the intermediate output shaft and the output shaft triple output configuration.
2.按照权利要求1所述的多功能钻机,其特征在于:所述三重出力轴的中心出力轴、中间出力轴和外周出力轴可以分别由1台以上原动机驱动,经减速机减速,按同一轴心,分别以相同或不同的转速,朝相同或相反方向旋转。 2. The multifunction rig according to claim 1, wherein: the center of the output shaft of the triple output shaft, and an outer periphery of the intermediate output shaft output shaft may be driven by a prime mover, respectively, one or more units, the gear reducer according the same axis, respectively, the same or different rotational speed, rotates in the same or opposite directions.
3.按照权利要求1所述的多功能钻机,其特征在于:所述三重出力轴的转速范围是,中心出力轴的转速为10~30min-1,中间出力轴的转速为20~80min-1,外周出力轴的转速为2~80min-1。 3. The multifunction rig according to claim 1, wherein: the triple output shaft speed range is the rotational speed of the output shaft of the central 10 ~ 30min-1, the rotational speed of the intermediate output shaft 20 ~ 80min-1 , the rotational speed of the outer periphery of the output shaft 2 ~ 80min-1.
4.按照权利要求1所述的多功能钻机,其特征在于:所述的钻具是可以根据使用需要,选用适当钻具部件、进行任意搭配组合而构成的一种组合钻具,钻具部件主要有:钻头、螺旋杆、搅拌杆、外周钻筒;钻具部件可以分别与三重出力轴的中心出力轴、中间出力轴和外周出力轴相联接。 4. The multifunction rig according to claim 1, wherein: said drilling tool is used as necessary, choose the appropriate drill member, for a combined drilling and combinations of any configuration, drill member They are: drill, screw, stirring rod, the outer periphery of the drill tube; may each drill member with the central axis of the output shaft triple output, intermediate output shaft, and an outer periphery of the output shaft is coupled.
5.使用权利要求1所述的多功能钻机的施工方法,其特征在于该施工方法具有如下步骤:多功能钻机走行到施工位置,将组合钻具的钻具部件分别与三重出力轴的中心出力轴、中间出力轴和外周出力轴相联接,启动钻机动力头的驱动装置,使组合钻具按选定转速及方向旋转,并随钻机动力头下降而钻削地层,根据施工条件及地层变化,在钻进的过程中可随时分别调整钻具部件的转速,使之处于最佳状态,钻进到预定深度后,按选定方式,同时或分别提升钻具至地面,并停止钻具旋转,移动多功能钻机到下一个施工位置。 5. The method of construction according to claim 1 multifunction rig claims, characterized in that the construction method comprising the following steps: multifunction rig traveling position to the construction, combination of drill members are respectively output to the center drill triple output shaft axis, an outer periphery of the intermediate output shaft and the output shaft coupled to the drive means start the drill head, the drill is rotated so that the selected combination of speed and direction, and decreases with the formation drill head and drilling, according to the construction and formation conditions change, each member can adjust the speed of the drill string during drilling at any time, so that in the best condition, after drilling to a predetermined depth, according to the selected mode, simultaneously or separately to enhance the drill floor, and stop rotation of the drill, multifunctional mobile drilling rig to the next construction location.
CNB031375790A 2003-06-18 2003-06-18 Multifunctional drill machine and its construction method CN1312376C (en)

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