WO2014205601A1 - 旋挖斗钻机 - Google Patents
旋挖斗钻机 Download PDFInfo
- Publication number
- WO2014205601A1 WO2014205601A1 PCT/CN2013/000762 CN2013000762W WO2014205601A1 WO 2014205601 A1 WO2014205601 A1 WO 2014205601A1 CN 2013000762 W CN2013000762 W CN 2013000762W WO 2014205601 A1 WO2014205601 A1 WO 2014205601A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bucket
- rotary
- platform
- walking
- drilling rig
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 77
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- -1 transportation Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/003—Drilling with mechanical conveying means
- E21B7/005—Drilling with mechanical conveying means with helical conveying means
- E21B7/006—Drilling with mechanical conveying means with helical conveying means combined with a bucket-type container
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
Definitions
- the invention relates to a device for underground hole formation in pile foundation engineering construction, in particular to a rotary bucket drilling machine.
- the equipment used in the current construction mainly includes full-sleeve full-rotary drilling rig, auger drilling machine and rotary drilling rig.
- the full-sleeve full-rotation drilling rig is a platform under the power unit box, a power box, a platform on the power box, a crawler mechanism mounted on the platform under the power box, a sleeve installed in the middle of the power box and clamped by a rotating clamp , matching grab, auger bit, and hydraulic table. The problem is - with a grab, the hole is slow.
- the drilling speed of the auger is fast, but it is only suitable for the foundation hole of the caliber of less than 1.2 m.
- the large diameter can not be used for construction; the rotary drilling rig is suitable for the geological conditions, but it is easy to cause collapse and waste during the soft soil construction.
- These three types of equipment require additional configuration of large tonnage cranes when pouring concrete, increasing equipment costs.
- the present invention is to solve the above problems in the prior art, and provides a rotary boring machine.
- the hole-forming speed is fast, no need to configure a large-tonnage crane, and it is suitable for forming holes of a large-aperture rotary drilling drill, saving concrete and saving bentonite slurry.
- the integration of pore formation and perfusion is realized, which effectively saves the fuel, transportation, materials and labor costs in the pile foundation operation.
- the rotary boring machine of the invention comprises a platform on a power device box, a power device box and a platform under the power device box, a clamping fixture fixed on the platform under the power device box, and a walking connection on the platform under the power device box.
- the mechanism is characterized in that: the telescopic lifting is installed on the platform of the power box On the top of the telescopic lifting frame, there is a boom supporting platform, and a luffing boom is arranged on the boom supporting platform, and a power source platform and a drilling tool platform are respectively installed on both sides of the platform of the power device box, and the power source platform is installed on the power source platform.
- the hoisting machine and the power source are mounted thereon, the hoisting machine, the wire rope and the luffing boom constitute a hoisting device, and the top of the telescopic lifting frame is provided with a flip hook, and the rotary boring machine is further provided with a rotary drilling hoist which is hoisted on the wire rope during use,
- the upper part of the digging bucket body is provided with a movable lifting beam connecting the wire rope, and the upper edge of the rotary drilling bucket body corresponds to the position of the flipping hook, and when the rotary drilling bucket is lifted to the upper part of the telescopic lifting frame, the flipping hook is used as the axis to turn over, in the telescopic lifting frame
- the upper part of the corresponding lifting beam is provided with a guiding plate, and the rotary drilling rig is further provided with an outer sleeve fitted with the rotary drilling bucket, and the screwing tight cooperation between the rotary drilling bucket and the outer sleeve realizes power transmission.
- a machine lock outer card strip is arranged on the outer wall of the rotary drilling bucket cylinder, and the inner sleeve of the outer sleeve is provided with a machine lock inner card corresponding to the outer lock strip of the machine lock, so that the outer sleeve and the rotary drilling bucket connection structure Simple, reliable rotation.
- the telescopic lifting frame is hydraulically driven and has simple driving.
- a hammer bit is also provided, and a side belt is provided on the upper side and the lower side of the hammer bit.
- the impact drill bit is prevented from being stuck on the inner card sleeve of the outer sleeve machine.
- the large hard rock block (rock column) is crushed by impact and then loaded by the rotary drilling bucket to solve the problem of hole formation of large rock and lone rock in the hard rock layer. .
- a cab that controls the power source and the hoist is installed on the power source platform.
- the unloading chute is arranged on the telescopic lifting frame corresponding to the turning position of the rotary drilling bucket, which is convenient for soil dumping and improves work efficiency.
- the luffing boom is a telescopic luffing boom for easy lifting.
- the inverting hooks are arranged in two places on the left and right sides, and a hook-shaped card slot is arranged on the rotary drilling bucket cylinder at a position corresponding to the flip hook.
- the flip hook is one, and a hanging hole is arranged at the upper position of the flip hook at the upper part of the rotary drilling bucket, and the outer lock strip of the machine lock is provided with a baffle.
- the traveling mechanism is a step-supporting walking frame controlled by a fixed supporting seat mounted on the lower platform of the power device box, and controlled by the vertical vertical telescopic cylinder through the fixed supporting seat, and is installed on the platform or the fixed supporting seat and the step of the power device box.
- the transverse telescopic cylinder between the walking frames is installed on the movable wheel frame and the longitudinal traveling wheel at the bottom of the walking frame, and the longitudinal sliding path arranged along the longitudinal direction of the walking frame, and is installed between the step fulfilling walking frame and the walking longitudinal sliding path.
- the longitudinal stretching cylinder is stepped on the longitudinal running track of the walking to improve the bearing capacity.
- the reducer in the power unit box is equipped with a GFT series travel reducer.
- the telescopic lifting frame Due to the telescopic lifting frame, it can adapt to the height of the sleeve to ensure normal operation; integrated hoisting equipment, the variable-width jib is convenient for hoisting drilling tools and pouring concrete, and no additional crane is required, which can realize single machine operation and reduce equipment cost. It effectively saves fuel, transportation, materials and labor costs in pile-based operations and improves safety.
- the power source is installed on the power source platform and controlled by the cab, which can improve the working efficiency; the drilling tools are placed on the drilling platform, which is convenient to use; the machine lock device is arranged between the sleeve and the rotary drilling bucket , through the sleeve and the rotary digging bucket to rotate together to take the soil, the structure is simple, the action is reliable, and the work efficiency is improved; 3.
- the bucket is lifted to the lifting platform and hooked to the side of the drilling bucket for the bucket to make the turning hook of the rotary drilling bucket easier to enter the slot. It can be automatically turned over and dumped, the work efficiency is high, the hole forming speed is fast, the number of operators is reduced, the energy is saved, the crane is not used, and the construction cost is low.
- Figure 1 is a schematic structural view of the present invention
- FIG. 2 is a schematic structural view of a telescopic lifting platform and a power device box
- Figure 3 is a schematic view of the power device box
- Figure 4 is a partial schematic view of the boom
- Figure 5 is a schematic view of a concrete hopper
- Figure 6 is a schematic view showing the structure of the auger rod
- Figure 7 is a schematic view showing the structure of an impact bit with a side belt
- Figure 8 is a schematic view showing the structure of the rotary drilling hopper
- Figure 9 is a top view of the rotary drilling bucket
- Figure 10 is a schematic view showing the structure of the outer sleeve
- Figure 11 is a schematic view showing the connection between the outer sleeve and the rotary drilling bucket
- Figure 12 is a schematic view showing the structure of the step fulfillment device
- Figure 13 is a side view of Figure 12;
- Figure 14 is a schematic structural view of the fixed support base of Figure 12;
- Figure 15 is a schematic view of the central rotating base
- Figure 16 is a schematic view showing the working structure of the outer casing rotary drilling bucket
- Figure 17 is a schematic view showing the working structure of the auger or the lower steel cage
- Figure 18 is a schematic view showing the working structure of the outer sleeve impact drill
- Figure 19 is a schematic view showing the working structure of concrete pouring
- Figure 20 is a schematic view showing the structure of a rotary drilling bucket (single hook);
- the rotary bucket drilling rig includes a power plant box upper platform 1, a power unit box 2 and a power unit box lower platform 3,
- the platform 1 on the power unit box, the platform 3 under the power unit box and the power unit box 2 can be lifted and lowered by a hydraulic cylinder, and a hydraulically driven holding fixture 5 is mounted on the platform 3 of the power unit box, and the platform is under the power unit box.
- the traveling mechanism 6 is installed below, and a hydraulically driven telescopic lifting frame 19 is mounted on the platform 1 of the power unit box, and a boom supporting platform 16 is arranged on the top of the telescopic lifting frame 19, and is supported by the boom on the boom supporting platform 16.
- the frame 11 is provided with a telescopic luffing boom 12, and the telescopic luffing boom 12 is divided into two sections with a telescopic cylinder 14 and a luffing cylinder 15 therebetween, and a power source platform 7 and a drill are respectively installed on both sides of the platform 3 under the power device box.
- a platform 4 With a platform 4, a cab 8 , a hoist 10 operated by the cab 8 and a power source 9 are mounted on the power source platform 7 .
- the power source 9 includes a random hydraulic station, a power source, an engine or a motor.
- the hoist 10, the wire rope 13 and the telescopic jib 12 constitute a hoisting device, and two telescopic hooks 18 arranged on the left and right are arranged on the telescopic lifting frame 19.
- the rotary bucket drilling machine is provided with a rotary drilling bucket 17 which is hoisted on the wire rope 13, that is, a bucket-shaped rotary drill bit.
- a discharge chute 44 is provided on the telescopic lifting frame 19 corresponding to the inversion position of the rotary drilling bucket 17.
- the power unit case 2 is provided with a hydraulic motor 20, a GFT series traveling speed reducer 21, a gear transmission mechanism 22, and a rotating jig 23.
- a triangular stabilizing plate frame 24 is arranged between the two booms, and the stabilizer is stabilized by the stable plate frame 24 when the boom is retracted.
- the rotary boring machine is further provided with a hopper 25 for arranging concrete on the wire rope 13 for use, a spiral drill pipe 26 with a diameter of 800 ram, and an upper and lower side belt 27. Impact drill bit 28;
- the auger drill pipe 26 has a multi-section structure.
- the outer wall of the rotary drilling bucket 17 is provided with a plurality of evenly axially arranged outer outer locking strips 29, which are arranged in the circumferential direction.
- the upper part of the telescopic lifting frame is provided with a flip hook 18 arranged on the left and right sides, and the upper part of the cylinder of the rotary drilling bucket 17 is provided with a movable lifting beam 30 connecting the wire rope 13 , and corresponding to the flip hook 18 arranged on the left and right on the cylinder of the rotary drilling bucket 17
- a hook-shaped card slot 31 is provided at the position, and a guide plate 32 is disposed on the telescopic lifting frame 19 at an upper position corresponding to the beam 30.
- the rotary boring machine is further provided with an outer sleeve 33 matched with the rotary drilling bucket 17 , and the inner surface of the outer sleeve 33 is provided with a corresponding outer lock strip 29 .
- the machine locks the inner card 34.
- the cooperation between the outer lock strip 29 and the corresponding inner lock strip 34 will be
- the outer sleeve 33 is rotated synchronously with the rotary drilling bucket 37 to perform the rotary cutting; when the outer sleeve 33 is rotated in the reverse direction, the outer sleeve 33 is automatically unlocked, and the rotary drilling bucket 17 is proposed by the lifting device.
- the traveling mechanism is a hydraulic step fulfilling walking mechanism, and the hydraulic step is performed.
- the mechanism is a step-supporting walk 37 that is controlled by the fixed support seat 35 mounted on the platform 3 of the power unit box, and is controlled by the vertical vertical telescopic cylinder 36 through the fixed support base 35, and is mounted on the platform 3 of the power unit box (or fixed).
- a step longitudinal telescopic cylinder 42 is mounted between the step fulfillment carriage 37 and the step longitudinal ramp 41, the longitudinal traveling wheel 40 being located on the step longitudinal ramp 41.
- the walking device performs a single foot movement by the longitudinal running wheel 40 under the action of the walking longitudinal slide 41 and the longitudinal telescopic cylinder 42.
- the horizontal telescopic cylinder 38 pulls the drilling machine to move on the step fulfillment carriage, and the vertical telescopic cylinder 36 makes the fixed support base.
- 35 and the walking longitudinal slide 41 perform the conversion walking and the small angle bending, and the vertical vertical expansion cylinder 36 is used to adjust the balance of the whole machine or the walking of the vertical slide 41.
- the center steering base 43 connected to the outer sleeve 33 is rotated by the rotating clamp 23 to clamp the outer sleeve 33, thereby turning the whole machine in place.
- the rotary bucket drilling machine is further provided with a central rotating base 43 which is installed by bolts at the bottom of the outer sleeve 33 in use, and the outer sleeve 33 is passed through the power unit box 2 when the hydraulic step fulfills the lifting of the walking mechanism. Rotating, can achieve the whole machine in situ steering.
- the kinetic energy generated by the engine or the motor is hydraulically transmitted to the power box 2 to drive the gear transmission mechanism 22, and the outer sleeve 33 is locked by the rotation clamp 23 to rotate, so that the power box 2 and the power box
- the lower platform 3 is simultaneously lowered, and the outer sleeve 33 is driven to generate downward pressure to rotate the underground rock layer.
- the hoisting machine 10 drives the wire rope 13 to lower the rotary drilling bucket 17 to the bottom through the telescopic jib boom 12, and forms the inner lock bar 29 outside the machine lock outside the drill pipe 17 and the inner lock card 34 in the outer sleeve 33.
- the machine lock is locked, and the outer sleeve 33 is rotated simultaneously to dig the soil.
- the lifting reverse outer sleeve 33 is unlocked, and the hoisting machine 10 drives the wire rope 13 to pull the rotary drilling bucket 17 to the top to hang.
- the hook-shaped card slot 31 is caught on the flip hook 18, so that the rotary drilling bucket 17 is turned over with the flip hook 18 as an axis, unloaded into the discharge chute 44, and then slid onto the transport vehicle or on the ground.
- the telescopic luffing boom 12 can be lowered to lift the drill on the drill platform 4 or lift the hopper 25 for perfusion.
- the outer sleeve 33 is lifted by the auger rod 26, and the auger shaft 26 is clamped by the rotating jig 23, pressurized and rotated by the power unit box 2, and utilized by the concrete guide tube interface.
- the concrete pump is pressurized and filled to achieve the pile operation using the auger.
- the wire rope 13 is driven by the hoisting machine 10 to repeatedly pull the impact bit 28, and the hard rock (rock column) and the lone rock in the outer sleeve 33 are struck, and the hard rock block is crushed and then extracted by the rotary drilling hopper 17.
- the concrete can be directly discharged into the hopper 25 placed on the drilling platform 4 by the concrete tanker, and the sling is extended by the telescopic boom 3, and the wire rope 13 is hoisted and then connected to the auger pipe for pouring or direct perfusion.
- the inverting hook 18 is one.
- a hanging hole 46 is disposed on the rotary drilling bucket 17 corresponding to the inverting hook 18.
- the outer locking strip 29 is provided with a baffle 45, and the rotary drilling bucket is provided.
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- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
一种旋挖斗钻机,包括动力装置箱上平台(1)、动力装置箱(2)和动力装置箱下平台(3),在动力装置箱上平台(1)上安装有伸缩升降架(19),在伸缩升降架(19)顶部设有吊臂支撑平台(16),在吊臂支撑平台(16)上设置有变幅吊臂(12),在动力装置箱下平台(3)两侧安装动力源平台(7)、钻具平台(4),在动力源平台(7)上安装卷扬机(10)和动力源(9),在伸缩升降架(19)上部设有翻转挂钩(8),该旋挖斗钻机还设有旋挖钻斗(17)、外套筒(33),旋挖钻斗(17)筒体上部设有活动提梁(30),旋挖钻斗(17)筒体上沿与翻转挂钩(18)位置对应可实现以翻转挂钩(8)为轴的翻转,旋挖钻斗(17)与外套筒(33)之间旋紧配合实现动力传动。
Description
旋挖斗钻机
技术领域
本发明涉及到桩基工程施工中地下成孔的一种设备,尤其涉及一种旋挖 斗钻机。
背景技术
在大孔桩基成孔土层中有回填层、 流沙层、 硬岩层、 拔废基础桩等, 目 前施工时所使用的设备主要有全套筒全回转钻机、螺旋钻机和旋挖钻机。全 套筒全回转钻机是由动力装置箱下平台、 动力装置箱、 动力装置箱上平台、 安装在动力装置箱下平台上的履带机构、安装在动力装置箱中间并用旋转夹 具夹紧的套筒、 配套的抓斗、 螺旋钻头, 以及液压工作台构成。 存在的问题 是- 采用抓斗, 成孔速度慢。 螺旋钻机成孔速度快, 但只适用于 1. 2米以下 口径桩基孔, 大口径无法施工; 旋挖钻机适用于地质条件好的情况, 但在软 土层施工时容易造成塌孔, 浪费混凝土, 带动较重的钻杆作业, 耗能量大, 还需要调浆, 浪费资源。上述三种设备在灌注混凝土时需要额外配置大吨位 吊车, 增加了设备成本。
发明内容
本发明是要解决现有技术存在的上述问题, 提供一种旋挖斗钻机。其成 孔速度快, 无需配置大吨位吊车, 适用大孔径旋挖钻的成孔, 节省混凝土、 节省膨润土调浆。实现了成孔、灌注一体化,有效节约了桩基作业中的燃油、 运输、 材料及人工成本。
本发明涉及的旋挖斗钻机, 包括动力装置箱上平台、动力装置箱和动力 装置箱下平台, 安装在动力装置箱下平台上的抱紧固定夹具, 连接在动力装 置箱下平台上的行走机构, 其特征是: 在动力装置箱上平台上安装有伸缩升
降架, 在伸缩升降架顶部设有吊臂支撑平台, 在吊臂支撑平台上设置变幅吊 臂, 在动力装置箱下平台两侧分别安装有动力源平台、 钻具平台, 在动力源 平台上安装卷扬机和动力源, 卷扬机、 钢丝绳和变幅吊臂构成吊装设备, 在 伸缩升降架上部设有翻转挂钩,该旋挖斗钻机还设有使用时吊装在钢丝绳上 的旋挖钻斗, 旋挖钻斗筒体上部设有连接钢丝绳的活动提梁, 旋挖钻斗筒体 上沿与翻转挂钩位置对应,旋挖钻斗提升至伸缩升降架上部时以翻转挂钩为 轴翻转, 在伸缩升降架上对应提梁上部位置设有导正板, 该旋挖斗钻机还设 有与旋挖钻斗配装的外套筒, 旋挖钻斗与外套筒之间旋紧配合实现动力传 动。
在旋挖钻斗筒体外壁上均布设有机锁外卡条,所述外套筒内壁设有与机 锁外卡条对应的机锁内卡条, 使外套筒和旋挖钻斗连接结构简单, 旋转动作 可靠。
还设有与外套筒底部配装的中央旋转底座, 在液压步履行走机构升起 时, 通过调节动力装置箱油缸、 套筒夹具夹紧外套筒后转动, 实现整机原地 转向。
所述伸缩升降架为液压驱动方式, 驱动简单。
还配装冲击钻头, 所述冲击钻头侧面上、 下设有导向边带。 防止冲击钻 头卡在外套筒机锁内卡条上, 较大硬岩块(岩柱)经冲击破碎后再用旋挖钻 斗装取, 解决了硬岩层大块岩石、 孤石等成孔问题。
还设有直径 800mm的螺旋钻杆, 适用于大口径成孔作业。
动力源平台上安装有控制动力源和卷扬机工作的驾驶室。
在伸缩升降架上对应旋挖钻斗翻转位置设有卸料滑槽, 便于倒土, 提高 作业效率。
所述变幅吊臂为伸缩变幅吊臂, 便于吊装。
翻转挂钩为二个且左右布置,在旋挖钻斗筒体上沿与翻转挂钩对应位置 设有勾状卡槽。
翻转挂钩为一个, 在旋挖钻斗上部对应翻转挂钩位置设有一个挂孔, 所 述机锁外卡条上设有挡板。
所述行走机构是由安装在动力装置箱下平台上的固定支承座、穿过固定 支承座由步履竖向伸缩油缸控制升降的步履行走架,安装在动力装置箱下平 台或固定支撑座和步履行走架之间的步履横向伸缩油缸,安装在步履行走架 底部的活动轮架及纵向行走轮、沿步履行走架纵向布置的步履纵向滑道, 安 装在步履行走架和步履纵向滑道之间的步履纵向伸缩油缸,所述纵向行走轮 位于步履纵向滑道上, 提高承载力。
动力装置箱中的减速机为设有 GFT系列行走减速机。使用 GFT系列减速 机齿轮直接带动主动力齿轮的简化动力装置箱, 通过增减液压马达工作数 量, 来改变外套筒回转转数以提高工作效率。
该旋挖斗钻机的有益效果是:
1、 由于伸缩升降架, 能够适应套筒的高度, 保证正常作业; 集成有吊 装设备, 采用变幅吊臂便于吊装钻具及灌注混凝土, 无需另外配置吊车, 可 实现单机作业, 降低设备成本, 有效节约了桩基作业中的燃油、 运输、 材料 及人工成本, 提高了安全性。
2、 将动力源安装在动力源平台上并由驾驶室集中控制, 可提高作业效 率; 通过钻具平台摆放各种钻具, 使用方便; 套筒与旋挖钻斗之间设有机锁 装置, 通过套筒与旋挖钻斗共同旋转取土, 结构简单, 动作可靠, 提高工作 效率;
3、 通过翻转挂钩与勾状卡槽、 提梁和导正板的配合, 钻斗提升到升降 平台处用挂钩挂住钻斗的侧面进行翻斗, 使旋挖钻斗翻转挂钩更容易入槽。 可使其自动翻转倒土,作业效率高,成孔速度快,减少操作人员数量,节能, 不用吊车配合, 施工成本低。
附图说明
图 1为本发明结构示意图;
图 2为伸縮升降平台及动力装置箱结构示意图;
图 3为动力装置箱示意图;
图 4为吊臂局部示意图;
图 5为混凝土料斗示意图;
图 6为螺旋钻杆结构示意图;
图 7为带边带的冲击钻头结构示意图;
图 8为旋挖钻斗结构示意图;
图 9为旋挖钻斗俯视图;
图 10为外套筒结构示意图;
图 11外套筒与旋挖钻斗连接示意图;
图 12为步履行走装置结构示意图;
图 13为图 12侧视图;
图 14为图 12中固定支撑座结构示意图;
图 15为中央旋转底座示意图;
图 16为带外套筒旋挖钻斗工作结构示意图;
图 17为螺旋钻或下钢筋笼工作结构示意图;
图 18为带外套筒冲击钻工作结构示意图;
图 19为混凝土灌注工作结构示意图;
图 20为旋挖钻斗 (单挂钩) 结构示意图;
图中: 动力装置箱上平台 1、动力装置箱 2, 动力装置箱下平台 3, 钻具 平台 4, 抱紧固定夹具 5, 行走机构 6, 动力源平台 7, 驾驶室 8, 动力源 9, 卷扬机 10, 吊臂支撑架 11, 伸缩变幅吊臂 12, 钢丝绳 13, 伸缩油缸 14, 变 幅油缸 15, 吊臂支撑平台 16, 旋挖钻斗 17, 翻转挂钩 18, 伸缩升降架 19, 液压马达 20、 GFT系列行走减速机 21、 齿轮传动机构 22, 旋转夹具 23, 三 角形稳定板架 24, 料斗 25、 螺旋钻杆 26, 边带 27, 冲击钻头 28, 机锁外卡 条 29, 活动提梁 30, 勾状卡槽 31, 导正板 32, 外套筒 33, 机锁内卡条 34, 固定支承座 35, 步履竖向伸缩油缸 36, 步履行走架 37, 步履横向伸缩油缸 38,活动轮架 39,纵向行走轮 40,步履纵向滑道 41,步履纵向伸缩油缸 42, 中央旋转底座 43, 卸料滑槽 44, 挡板 45, 挂孔 46。
具体实施方式
下面结合附图和具体实施方式对本发明做进一步详细说明- 如图 1-图 2所示, 该旋挖斗钻机, 包括动力装置箱上平台 1、 动力装置 箱 2和动力装置箱下平台 3, 动力装置箱上平台 1、 动力装置箱下平台 3和 动力装置箱 2之间通过液压油缸可升降,在动力装置箱下平台 3上安装液压 驱动的抱紧固定夹具 5, 在动力装置箱下平台 3下面安装行走机构 6, 在动 力装置箱上平台 1上面安装有液压驱动的伸缩升降架 19, 在伸缩升降架 19 顶部设有吊臂支撑平台 16,在吊臂支撑平台 16上通过吊臂支撑架 11设置伸 缩变幅吊臂 12,伸缩变幅吊臂 12分为二节其间设有伸缩油缸 14和变幅油缸 15, 在动力装置箱下平台 3两侧分别安装有动力源平台 7、 钻具平台 4, 在 动力源平台 7上安装有驾驶室 8、通过驾驶室 8操作的卷扬机 10和动力源 9,
所述动力源 9包括随机液压站、动力源、发动机或电机, 卷扬机 10、钢丝绳 13和伸縮变幅吊臂 12构成吊装设备,在伸缩升降架 19上设有二个左右布置 的翻转挂钩 18。该旋挖斗钻机设有吊装在钢丝绳 13上的旋挖钻斗 17即斗状 旋挖钻头。 在伸縮升降架 19上对应旋挖钻斗 17翻转位置设有卸料滑槽 44。
如图 3所示,动力装置箱 2上设有液压马达 20、GFT系列行走减速机 21、 齿轮传动机构 22和旋转夹具 23。
如图 4所示,两节吊臂之间设有三角形稳定板架 24, 吊臂縮回时通过稳 定板架 24起到稳定作用。
如图 5、 图 6、 图 7所示, 该旋挖斗钻机还设有使用时吊装在钢丝绳 13 上用来装混凝土的料斗 25、 直径 800ram的螺旋钻杆 26、 带上、 下边带 27 的冲击钻头 28 ; 螺旋钻杆 26为多节结构。
如图 8、图 9所示,旋挖钻斗 17筒体外壁上设有均布的多个紧轴向布置 的机锁外卡条 29,本实施例设 4个且沿圆周方向均布,在伸缩升降架上部设 有左右布置的翻转挂钩 18,旋挖钻斗 17筒体上部设有连接钢丝绳 13的活动 提梁 30,在旋挖钻斗 17筒体上沿与左右布置的翻转挂钩 18对应位置设有勾 状卡槽 31, 在伸缩升降架 19上对应提梁 30上部位置设有导正板 32。
如图 10、图 11所示,该旋挖斗钻机还设有与旋挖钻斗 17配装的外套筒 33,所述外套筒 33内表面设有与机锁外卡条 29对应的机锁内卡条 34。外套 筒 33通过旋转夹具 23夹紧后由动力装置箱 2上的液压马达 20、 减速机 21 带动外套筒 33转动通过机锁外卡条 29与对应的机锁内卡条 34的配合将外 套筒 33与旋挖钻斗 37锁紧同步旋转, 进行旋切; 外套筒 33反向旋转时, 自动解锁, 通过吊装设备提出旋挖钻斗 17。
如图 12-图 14所示,所述行走机构为液压步履行走机构,液压步履行走
机构是由安装在动力装置箱下平台 3上的固定支承座 35、 穿过固定支承座 35由步履竖向伸缩油缸 36控制升降的步履行走架 37,安装在动力装置箱下 平台 3 (或固定支撑座 35 ) 和步履行走架 37之间的步履横向伸缩油缸 38, 安装在步履行走架 37底部的活动轮架 39及纵向行走轮 40、 沿步履行走架 37纵向布置的步履纵向滑道 41, 安装在步履行走架 37和步履纵向滑道 41 之间的步履纵向伸缩油缸 42, 所述纵向行走轮 40位于步履纵向滑道 41上。
步履装置通过纵向行走轮 40在步履纵向滑道 41与纵向伸缩油缸 42的 作用下进行单支脚移动, 通过横向伸缩油缸 38拉动钻机在步履行走架上移 动, 通过竖向伸缩油缸 36使固定支承座 35和步履纵向滑道 41进行转换行 走及转小角度弯, 用步履竖向伸缩油缸 36调节整机平衡或步履纵向滑道 41 的行走升降。 通过与外套筒 33连接的中央转向底座 43, 通过旋转卡具 23 夹紧外套筒 33后转动, 实现整机原地转向。
如图 15所示,该旋挖斗钻机还设有使用时与外套筒 33底部通过螺栓安 装的中央旋转底座 43,在液压步履行走机构升起时,通过动力装置箱 2使外 套筒 33旋转, 能实现整机原地转向。
如图 16所示, 发动机或电机产生的动能通过液压传导到动力装置箱 2 上带动齿轮传动机构 22, 由旋转夹具 23锁紧外套筒 33使其转动,使动力装 置箱 2、动力装置箱下平台 3同时下降, 带动外套筒 33产生向下压力, 对地 下的岩土层进行旋切。
卷扬机 10带动钢丝绳 13通过伸缩变幅吊臂 12使旋挖钻斗 17下降到底 部,通过旋挖钻斗 17外的机锁外卡条 29和外套筒 33内的机锁内卡 34内形 成机锁锁紧, 与外套筒 33同时转动旋挖取土, 旋挖钻斗 17装满后, 提升倒 转外套筒 33解锁,卷扬机 10带动钢丝绳 13拉动旋挖钻斗 17到顶部翻转挂
钩 18处, 勾状卡槽 31卡在翻转挂钩 18上, 使旋挖钻斗 17以翻转挂钩 18 为轴翻转, 卸土到卸料滑槽 44内, 再溜到运输车上或地面上。 伸縮变幅吊 臂 12可以放下, 吊起钻具平台 4上的钻具或吊起料斗 25进行灌注。
如图 17所示, 利用螺旋钻杆 26进行成孔作业提起外套筒 33, 利用旋 转夹具 23夹紧螺旋钻杆 26, 通过动力装置箱 2进行加压和旋转, 通过混凝 土导料管接口利用混凝土泵进行加压灌注来实现利用螺旋钻杆的成桩作业。
如图 18所示, 用卷扬机 10带动钢丝绳 13反复拉动冲击钻头 28, 冲击 外套筒 33内的硬岩(岩柱)、孤石, 硬岩块被击碎后使用旋挖钻斗 17提取。
如图 19所示, 通过混凝土罐车可以直接把混凝土流放到放置在钻具平 台 4的料斗 25里, 通过伸缩吊臂变幅 3、 钢丝绳 13吊起后对接到螺旋钻杆 导管里进行灌注或直接灌注。
如图 20所示, 翻转挂钩 18为一个, 在旋挖钻斗 17上对应翻转挂钩 18 位置设有一个挂孔 46, 所述机锁外卡条 29上设有挡板 45, 旋挖钻斗 17上 升至翻转挂钩 18位置时, 翻转挂钩 18插入挂孔 46内, 使旋挖钻斗 17以翻 转挂钩 18为轴翻转, 翻转时通过挡板 46的作用, 可防止机锁外卡条 29卡 在提梁轴上。
Claims
1、 一种旋挖斗钻机, 包括动力装置箱上平台、 动力装置箱和动力装置箱下 平台, 安装在动力装置箱下平台上的抱紧固定夹具, 连接在动力装置箱下平台 上的行走机构, 其特征是: 在动力装置箱上平台上安装有伸缩升降架, 在伸縮 升降架顶部设有吊臂支撑平台, 在吊臂支撑平台上设置变幅吊臂, 在动力装置 箱下平台两侧分别安装有动力源平台、 钻具平台, 在动力源平台上安装卷扬机 和动力源, 卷扬机、 钢丝绳和变幅吊臂构成吊装设备, 在伸缩升降架上部设有 翻转挂钩, 该旋挖斗钻机还设有使用时吊装在钢丝绳上的旋挖钻斗, 旋挖钻斗 筒体上部设有连接钢丝绳的活动提梁, 旋挖钻斗筒体上沿与翻转挂钩位置对应, 旋挖钻斗提升至伸缩升降架上部时以翻转挂钩为轴翻转, 在伸縮升降架上对应 提梁上部位置设有导正板, 该旋挖斗钻机还设有与旋挖钻斗配装的外套筒, 旋 挖钻斗与外套筒之间旋紧配合实现动力传动。
2、 根据权利要求 1所述的旋挖斗钻机, 其特征是: 在旋挖钻斗筒体外壁 上设有机锁外卡条, 所述外套筒内壁设有与机锁外卡条对应的机锁内卡条。
3、 根据权利要求 1所述的旋挖斗钻机, 其特征是: 还设有与外套筒底部 配装的中央旋转底座。
4、 所述伸缩升降架为液压驱动方式。
5、 根据权利要求 1所述的旋挖斗钻机, 其特征是: 还配装冲击钻头, 所 述冲击钻头侧面设有导向边带。
6、 根据权利要求 1 所述的旋挖斗钻机, 其特征是: 还设有直径 800mm 的螺旋钻杆。
7、 根据权利要求 1所述的旋挖斗钻机, 其特征是: 动力源平台上安装有
控制动力源和卷扬机工作的驾驶室。
8、 根据权利要求 1所述的旋挖斗钻机, 其特征是: 在伸缩升降架上对应 旋挖钻斗翻转位置设有卸料滑槽。
9、 根据权利要求 1所述的旋挖斗钻机, 其特征是: 所述变幅吊臂为伸缩 变幅吊臂。
10、 根据权利要求 1 所述的旋挖斗钻机, 其特征是: 翻转挂钩为二个且 左右布置, 在旋挖钻斗筒体上沿与翻转挂钩对应位置设有勾状卡槽。
11、 根据权利要求 1 所述的旋挖斗钻机, 其特征是: 翻转挂钩为一个, 在旋挖钻斗上对应翻转挂钩设有一个挂孔, 所述机锁外卡条上设有挡板。
12、 根据权利要求 1 所述的旋挖斗钻机, 其特征是: 所述行走机构是由 安装在动力装置箱下平台上的固定支承座、 穿过固定支承座由步履竖向伸縮 油缸控制升降的步履行走架, 安装在动力装置箱下平台或固定支撑座和步履 行走架之间的步履横向伸缩油缸, 安装在步履行走架底部的活动轮架及纵向 行走轮、 沿步履行走架纵向布置的步履纵向滑道, 安装在步履行走架和步履 纵向滑道之间的步履纵向伸縮油缸, 所述纵向行走轮位于步履纵向滑道上。
13、 根据权利要求 1 所述的旋挖斗钻机, 其特征是: 动力装置箱中的减 速机为设有 GFT系列行走减速机。
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CN104471177B (zh) | 2016-03-09 |
WO2014205601A9 (zh) | 2015-02-19 |
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