CN104863520B - Rotary hydraulic pile driver frequency DTH through the rock drill pipe swivel joint hole transfer means Dizhi - Google Patents

Rotary hydraulic pile driver frequency DTH through the rock drill pipe swivel joint hole transfer means Dizhi Download PDF

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CN104863520B
CN104863520B CN201510034320.3A CN201510034320A CN104863520B CN 104863520 B CN104863520 B CN 104863520B CN 201510034320 A CN201510034320 A CN 201510034320A CN 104863520 B CN104863520 B CN 104863520B
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swivel joint
connected
side
hinge
sleeve
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CN201510034320.3A
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CN104863520A (en
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邵波
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襄阳畅勘智能机械有限公司
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Abstract

本发明的名称是旋挖桩机液压高频潜孔穿岩钻油管回转接头孔底止转装置,涉及一种旋挖桩机。 The name of the present invention is a hydraulic pile driver frequency rotary drilling through rock drill pipe downhole swivel joint hole Dizhi transfer means, to a rotary drilling pile driver. 它主要是解决已知的旋挖桩机在施工过程中,油管回转接头在孔底无法止转,无法实现将动力源输送到钻孔底部进行作业的问题。 It is mainly known solution auger pile in the construction process, the tubing can not swivel joint rotation preventing hole bottom, can not be achieved to the bottom of the feeding power source for drilling operations problems. 本发明止转装置的连接方套一端通过方压套用销轴套接在伸缩钻杆上,另一端焊接在回转接头组件中心轴上,在方压套的下端连接有铰链压板,铰链压板通过连接导杆与滚轮护板铰链连接,滚轮护板与回转接头组件中心轴外侧的回转接头外套通过连接导杆铰链连接。 In the stretching rod, the other end welded to the central axis of the swivel joint assembly, the lower side of the gland sleeve connection side end stop rotation device of the present invention by applying pressure side of the hinge pin is mounted a platen, the platen by a hinge connection the roller guide rod hinged fender, fender roller shaft and the outer jacket of the swivel joint swivel joint assembly connected to the central guide bar are connected by a hinge. 本发明在伸缩钻杆带动回转接头芯轴旋转时,油管回转接头在孔底可以止转,避免油管缠绕钻杆上,实现将动力源直接输送到钻孔底部用于支持旋挖桩机穿岩钻作业。 When the present invention is driven by rotation of the swivel joint telescopic spindle drill, pipe swivel joint may detent hole bottom, to avoid the drill pipe is wound, to achieve the power source directly to the bottom of the borehole for supporting rotary drilling through rock pile drilling operations.

Description

旋挖桩机液压高频潜孔穿岩钻油管回转接头孔底止转装置 Rotary hydraulic pile driver frequency DTH through the rock drill pipe swivel joint hole transfer means Dizhi

技术领域 FIELD

[0001] 本发明涉及一种旋挖粧机,具体是涉及一种可以在旋挖粧机钻孔底部使用的旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置。 [0001] The present invention relates to a rotary drilling machine makeup, particularly, to a rotary machine can dig makeup use rotary drilling bottom makeup hydraulic digging frequency DTH drilling through rock pores Dizhi pipe swivel joint rotation device. 背景技术 Background technique

[0002] 目前,使用的各种型号旋挖粧机在施工过程中,均无法实现将动力源输送到钻孔底部进行作业,其原因是油管回转接头在孔底无法有效止转,无法避免油管缠绕在钻杆上。 [0002] Currently, various types of makeup rotary drilling machine used in the construction process, were unable to achieve delivery to the bottom of the power source for drilling operations, the reason is not effectively pipe swivel joint rotation preventing hole bottom, can not be avoided tubing wound around the drill pipe. 发明内容 SUMMARY

[0003] 本发明的目的是针对上述的不足,而提出的一种可以实现油管回转接头在钻孔底部止转,进而可以实现将动力源直接输送到钻孔底部用于支持旋挖粧机液压高频潜孔穿岩钻作业的油管回转接头孔底止转装置。 [0003] The object of the present invention is directed to the above-mentioned deficiencies, and can be realized One proposed transfer pipe swivel joint borehole bottom stop, turn the power source may be implemented directly to the bottom of the borehole for supporting makeup hydraulic rotary drilling Dizhi pipe swivel joint hole through rotation means DTH frequency of rock drilling operations.

[0004] 本发明的技术解决方案是:止转装置的连接方套一端通过方压套用销轴套接在伸缩钻杆上,另一端焊接在回转接头组件中心轴上,在方压套的下端设有铰链压板,铰链压板通过连接导杆与滚轮护板铰链连接,滚轮护板与回转接头组件中心轴外侧的回转接头外套通过连接导杆铰链连接。 [0004] The technical solutions of the present invention is: in the stretching rod, the other end welded to the central axis of the swivel joint assembly, the lower pressure side side sleeve end is connected to sleeve rotation stopping means pressure applied by the side pin socket the platen is provided with a hinge, the hinge connecting the platen roller and the guide rod is connected via fender hinge, swivel joint roller shield and the outer jacket of the shaft center of the swivel joint assembly connected by a hinge connecting the guide bar.

[0005] 本发明的技术解决方案中所述的连接方套是一个长方形的方套,两对称侧设有椭圆形滑道,伸缩钻杆和方压套通过销轴连接在连接方套上的滑道上。 [0005] Technical Solution sleeve connected party according to the present invention the cover is a rectangular square, oval side is provided with two symmetrical slides, telescoping rod by a pin and sleeve connection side pressure connection side of the sleeve on the slide.

[0006] 本发明的技术解决方案中所述的方压套是一个两侧设有销轴孔的方套,方压套的下端固定有圆盘,该圆盘底部沿圆周方向安装有滚轮,铰链压板(5)连接在该圆盘上。 [0006] The technical solutions of the present invention, the pressing sleeve is a square with sides of the square sleeve pin hole, press-fit side is fixed to the lower end of the disk, the disk in the circumferential direction of the bottom roller is mounted, the hinge plate (5) is connected to the disc.

[0007] 本发明的技术解决方案中所述的铰链压板是一个圆环形圆盘,在该圆盘边缘上均匀安装有三个铰链,连接导杆的一端连接在该铰链上。 [0007] The technical solutions of the present invention the hinge is a circular disc pressure plate, on the edge of the disk uniformly attached three hinges, is connected to one end of the guide bar connected to the hinge.

[0008] 本发明的技术解决方案中所述的回转接头外套是一个圆筒,其外侧表面沿圆周方向按三等份排列、上下设置安装有铰链连接块,回转接头外套通过轴承连接在回转接头组件中心轴上的回转接头芯轴上,回转接头外套上端连接有三根油管。 [0008] The technical solutions according to the present invention a rotary joint is a cylindrical jacket, the outer side surface by three equal parts in the circumferential direction are arranged, the vertical hinge connection is provided with a mounting block via a bearing swivel joint connecting the outer swivel joint the central axis of the swivel joint of the spindle assembly, the upper end of the swivel joint connected to three outer tubing.

[0009] 本发明的技术解决方案中所述的滚轮护板是一个长方形板,两端向内弯折30至45 度,三个滚轮护板平均分布在与铰链压板上三个铰链对应的外圆周上,在每个滚轮护板外侧上下均安装有滚轮,连接导杆的一端连接在滚轮护板上端的滚轮上,滚轮护板上下的滚轮分别通过连接导杆连接在回转接头外套上的铰链连接块上。 [0009] The technical solutions of the present invention is a wheel fender rectangular plate, both ends bent inwardly 30 to 45 degrees, three rollers evenly distributed on the outer shield and the upper platen corresponding to the hinge three hinges circumferentially on each roller shield outer bottom are mounted rollers, one end connected to the guide rod connected to the roller wheel shield the upper end of the roller in the roller retaining plate are connected to the swivel joint jacket through the connecting guide bar hinge the connecting block.

[0010] 本发明利用旋挖粧机的伸缩钻杆、连接方套、方压套、铰链压板、连接导杆、回转接头外套、滚轮护板相结合来达到油管回转接头的止转功能;施工作业时将旋挖粧机的伸缩钻杆与连接方套、方压套利用销轴连接在一起,旋挖粧机液压高频潜孔穿岩钻下到粧孔底部,伸缩钻杆下压通过销轴带动方压套沿着连接方套两侧的滑道向下滑行,同时方压套下方的铰链压板下行,推动连接导杆,撑开连接在回转接头外套上的滚轮护板,滚轮与孔壁紧密贴合直至回转接头外套不旋转,旋挖粧机液压高频潜孔穿岩钻向下钻进过程中,滚轮护板上的滚轮沿着孔壁向下滑行,伸缩钻杆旋转时,连接方套、方压套、中心轴、回转接头芯轴和伸缩钻杆一起旋转,铰链压板、回转接头外套、连接导杆、滚轮护板、油管相对于孔壁产生向下运动,滚轮与孔壁水平方向摩擦 [0010] The present invention utilizes rotary drilling makeup machine stretching rod, connected party sets, side press-fit, the hinge platen, connecting the guide bar, the swivel joint coat, the wheel guard in combination to achieve the rotation-preventive function tubing swivel joint; construction the rotary drilling machine makeup job when the drill pipe and connected to the telescopic sleeve side, side press-fit together with a pin, makeup hydraulic rotary drilling through rock drilling DTH frequency down to the bottom of the hole makeup pressure lower telescopic rod by a pin driven wheel fender side press-fit down the chute side sliding sleeve is connected to both sides, while the hinge side of the lower platen pressing sleeve downward, pushing the guide bar is connected, is connected to the swivel joint distraction coat, the wheel and the hole wall close contact until the coat is not rotating swivel joint, makeup hydraulic rotary drilling through the rock drill frequency DTH drilling process down, wheel fender roller sliding down the cell walls, the telescopic rod is rotated, the sleeve connected party , press-fit side, with the central axis of rotation, the drill pipe rotary joint and a telescopic spindle, platen hinge, swivel joint jacket, guide rod connection, the wheel guard, with respect to the tubing bore wall a downward movement of the roller and the hole wall in the horizontal direction friction 到油管回转接头的止转效果,从而实现将动力源直接输送到旋挖粧机钻孔底部进行作业。 Tubing effect to stop rotation of the swivel joint, thereby achieving the power source directly to the bottom of the borehole rotary drilling machine for makeup job. 附图说明 BRIEF DESCRIPTION

[0011] 图1是本发明的结构示意图。 [0011] FIG. 1 is a structural diagram of the present invention.

[0012] 图2是图1安装在旋挖粧机液压高频潜孔穿岩钻上的示意图。 [0012] Figure 2 is a schematic view of a high-frequency latent hydraulic digging makeup screwed through holes in the rock drilling installation. 具体实施方式 Detailed ways

[0013] 如图1所示,本发明止转装置的连接方套2—端通过销轴4套接在伸缩钻杆1上,另一端焊接在回转接头组件的中心轴12上,连接方套2是一个长方形的方套,在连接方套2的两对称侧设有椭圆形滑道,在连接方套2上套装有方压套3,方压套3是一个两侧设有销轴孔的方套,方压套3通过其上的销轴孔用销轴4连接在连接方套2上的椭圆形滑道上,方压套3 通过销轴4固定在伸缩钻杆1上,伸缩钻杆1、方压套3可以沿着连接方套2上的滑道上下滑行;方压套3的下端设有铰链压板5,铰链压板5是一个圆环形圆盘,在方压套3的下端固定有圆盘,方压套3下端的圆盘底部沿圆周方向安装有滚轮,铰链压板5通过挂销连接在方压套3 下端的圆盘上;在铰链压板5的圆盘边缘上安装有三个铰链,该三个铰链按三等份安装在铰链压板5的圆盘边缘上,三个铰链上分别连接有连接导杆7,连接 [0013] As shown, the present invention is connected to the stop end of side sheath 2- rotation device 1 by a pin 4 is sleeved on the telescopic rod 1, and the other end is welded to the center axis of the swivel joint assembly 12, sleeve connected party 2 is a set of rectangular square, oval with side runners connected to the sleeve two symmetrical side 2, the side connecting sleeve 2 3 compression set well-square pressing sleeve 3 is provided with a pin hole on both sides the side cover, side press-fit pin 3 connected to pin 4 through the holes in which slide on the oval sleeve 2 is connected to side, side pressure sleeve 3 by a pin 4 is fixed on a telescopic rod, the telescopic drill 1 bar, the pressure side of sleeve 3 can slide on the two sets of sliding vertically along the connecting direction; lower side 3 is provided with a press-fit hinge platen 5, the hinge 5 is a circular pressure plate disk, the pressure side of the sleeve 3 a disc fixed to the lower end, side press-fit the lower end of the bottom disc 3 is mounted in the roller circumferential direction, the platen 5 are connected by a hinge pin hung on the disk side of the lower press sleeve 3; mounted on the hinge edge of the disk platen 5 there are three hinges, the hinge according to three equal parts mounted on the hinge edge of the disk platen 5, and the three hinges are connected to a connecting rod guide 7, is connected 导杆7的另一端与滚轮护板6上端的滚轮连接;滚轮护板6是一个长方形板,该长方形板沿伸缩钻杆1的轴向设置,该长方形板的上下两端分别向内、即向伸缩钻杆1 一侧弯折30至45度,滚轮护板6设有三个,三个滚轮护板6平均分布在与铰链压板5上铰链对应的外圆周上;在每个滚轮护板6外侧部位上下安装有滚轮,三个滚轮护板6共安装有六个滚轮,在穿岩钻工作时,滚轮护板6上的滚轮可以沿着钻孔壁上下方向滚动;每个滚轮护板6上均连接有三个连接导杆7,即每个滚轮护板6 上端滚轮上连接有两个连接导杆7,下端滚轮上连接有一个连接导杆7,三个滚轮护板6上共连接有九个连接导杆7;连接在滚轮护板6上端的连接导杆7—个与铰链压板5上的铰链连接,另一个连接导杆7与回转接头外套10外侧表面上端的一个铰链连接块9连接,连接在滚轮护板6下端的连接导杆7的另一端 The other end of the guide rod 7 is connected to the upper end of the roller 6 and the roller shield; wheel guard 6 is a rectangular plate, rectangular plate disposed along the axial stretching of the drill pipe 1, the upper and lower ends, respectively, inwardly of the rectangular plate, i.e., bend 30 to 45 degrees to the side of the telescopic rod 1, the shield 6 is provided with three rollers, three rollers evenly distributed guard 6 on the hinge 5 on the outer circumference of the pressure plate of the hinge corresponding to; in each roller shield 6 the outer part is attached to the upper and lower rollers, three rollers were installed fender six rollers 6, when drilling through rock work rollers on the roller 6 can roll in the direction of the shield at the borehole wall; each roller shield 6 there are three connections are connected on the guide rod 7, i.e. the connection 7 has two guide rods 6 connected to the upper end of the roller of each roller shield is connected to a guide rod connected to the lower roller 7, the three rollers 6 of the shield is connected nine connecting rod guide 7; connection guide rod 7- one hinge connecting the hinge platen 5, the other connecting rod guide 7 the connection block 9 at the upper end of the roller shield 6 with a hinge the upper end 10 of the outer surface of the swivel joint coat the other end is connected to the lower end of the roller 6 is connected to the shield of the connecting rod guide 7 回转接头外套10外侧表面下端的另一个铰链连接块9 连接;回转接头外套10设在回转接头组件中心轴12外侧,回转接头外套10通过轴承连接在回转接头芯轴11上,回转接头芯轴11套在回转接头组件中心轴12上,回转接头芯轴11与回转接头组件中心轴12之间采用橡胶连接;回转接头外套10是一个圆筒形,在圆筒形的回转接头外套10的外侧表面上,沿圆周方向按三等份排列安装有铰链连接块9,铰链连接块9沿回转接头外套10的轴向上下排列各有一个铰链连接块9,共安装有六个铰链连接块9,滚轮护板6通过连接导杆7连接在回转接头外套10铰链连接块9上的铰链上;回转接头外套10上端连接有三根油管8。 The swivel joint 10 outside the lower end of the outer surface of the other connecting block 9 connected to the hinge; swivel joint 10 is disposed outside the outer swivel joint assembly central axis 12, the swivel joint 10 through a bearing outer swivel joint connected to the mandrel 11, the mandrel 11 swivel joint set on the center axis of the swivel joint assembly 12, the mandrel with rubber joints for the swivel joint 11 and swivel joint assembly 12 between a central axis; the swivel joint 10 is a cylindrical jacket, the outer surface of the cylindrical jacket 10 of the rotary joint the circumferential direction by three equal parts are arranged attached to a hinge connecting block 9, the hinge connection axially block 9 in a swivel joint jacket 10 is arranged vertically have a hinge connection block 9, the installation of six hinged connection block 9, the roller shield 6 through the connecting guide rod 7 is connected to the swivel joint connecting the outer sleeve 10 of the hinge 9 of the hinge; upper swivel joint 10 is connected to three outer tubing 8.

[0014] 工作原理:施工时将本发明安装在旋挖粧机液压高频潜孔穿岩钻上,如图2所示, 然后将钻头下放到需要施工的指定位置,伸缩钻杆1下压通过销轴4带动方压套3沿着连接方套2两侧的滑道向下滑行,同时方压套3下方的铰链压板5下行,推动连接导杆7撑开连接在回转接头外套10上的滚轮护板6,滚轮护板6外侧上的滚轮与孔壁紧密贴合,使滚轮护板6 通过连接导杆7推动回转接头外套10,直至回转接头外套10不旋转,旋挖粧机液压高频潜孔穿岩钻向下钻进过程中,滚轮护板6上的滚轮沿着孔壁向下滑行,伸缩钻杆1旋转时,连接方套2、方压套3、回转接头组件的中心轴12、回转接头芯轴11和伸缩钻杆1 一起旋转,铰链压板5、回转接头外套10、连接导杆7、滚轮护板6、油管8相对于孔壁产生向下运动,滚轮护板6外侧的滚轮与孔壁水平方向摩擦达到油管8回转接头的止转 [0014] The working principle: when the construction of the present invention mounted hydraulic digging makeup screwed through hole in the high-frequency potential on the rock drill shown in Figure 2, and then into the specified location of the drill bit requires the construction, the telescopic rod 1 is pressed by the pin compression square drive shaft 4 downward along the guide rails 3 sliding sleeve 2 connected to both sides of the square, while the press-fit side of the hinge 5 of plate 3 beneath the down, push the guide bar 7 is connected to the rotary joint connected to the expansion 10 of the outer roller shield 6, the roller and the bore wall 6 of the outer wheel guard plate into close contact with the roller shield 6 to promote the swivel joint outer sleeve 10 through the connecting rod guide 7, until the swivel joint outer 10 does not rotate, rotary drilling makeup hydraulic frequency DTH down drilling through rock drilling process, the roller 6 on the roller sliding downwards along the fender hole wall, when the telescopic rod 1 is rotated, the connecting sleeve 2 side, pressure side sleeve 3, the central axis of the swivel joint assembly 12, swivel joints and telescoping the mandrel 11 rotates together with the drill pipe 1, the hinge platen 5, the swivel joint 10 the jacket, the guide rod 7 is connected, the wheel guard 6, tubing produced with rollers 8 downward movement, the outside wheel 6 to the hole wall of the shield and the hole wall in the horizontal direction to achieve a friction detent pipe swivel joints 8 果,从而实现将动力源直接输送到旋挖粧机钻孔底部进行作业。 Fruit, thereby achieving the power source directly to the bottom of the borehole rotary drilling machine for makeup job. 达到预计深度后,提起伸缩钻杆1,方压套3带动铰链压板5沿着连接方套2的滑道向上滑行到最上端,同时连接导杆7拉起滚轮护板6,使滚轮护板6上的滚轮与孔壁分离,产生一定距离,伸缩钻杆1将旋挖粧机液压高频潜孔穿岩钻提出粧孔, 完成一个工作循环,如此反复,直至施工完成。 Is expected to reach the depth of the telescopic lifting drill pipe 1, the pressure side of the hinge sleeve 3 drives the platen 5 along the side of the chute is connected to the sliding sleeve 2 upward the top, while the pull rod 7 connected to the roller guide shield 6, the roller guards separating roller and the wall of the hole 6, a certain distance, the telescoping rod 1 makeup hydraulic rotary drilling through the rock drill frequency DTH makeup made holes, a complete working cycle, and so forth, until the construction is completed.

Claims (6)

1.一种旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置,其特征是:止转装置的连接方套(2) —端通过方压套(3)用销轴(4)套接在伸缩钻杆(1)上,另一端焊接在回转接头组件中心轴(12)上,在方压套(3)的下端连接有铰链压板(5),铰链压板(5)通过连接导杆(7)与滚轮护板(6)铰链连接,滚轮护板(6)与回转接头组件中心轴(12)外侧的回转接头外套(10)通过连接导杆(7)铰链连接。 A makeup hydraulic rotary drilling through the rock drill frequency DTH pipe swivel joint hole Dizhi transfer apparatus, characterized in that: the connection side of the sleeve rotation stopping means (2) - side by side pressing sleeve (3) by pins (4 ) sleeved telescopic rod (1), the other end welded to the swivel joint assembly central axis (12), the lower end side of the pressure sleeve (3) is connected to a hinge plate (5), the hinge plate (5) by connecting guide rod (7) (6) hinged to the wheel guard, the swivel joint coat the outside of the wheel guard (6) and the swivel joint assembly central axis (12) (10) hinged by connecting guide rods (7).
2.根据权利要求1所述的旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置, 其特征是:所述的连接方套(2)是一个长方形的方套,两对称侧设有椭圆形滑道,伸缩钻杆(1)和方压套(3)通过销轴(4)连接在连接方套(2)上的滑道上。 2. Remove according to claim 1 makeup hydraulic digging through the rock drill frequency DTH pipe swivel joint hole Dizhi transfer apparatus, characterized in that: said connecting side sleeve (2) is a rectangular square sleeve, two symmetrical side provided with oval guide rails, the telescopic rods (1) and a gland side (3) connected to the slide (2) is connected by a pin sleeve side (4).
3.根据权利要求1所述的旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置, 其特征是:所述的方压套(3)是一个两侧设有销轴孔的方套,方压套(3)的下端固定有圆盘, 该圆盘底部沿圆周方向安装有滚轮,铰链压板(5)连接在该圆盘上。 The rotation according to claim 1 makeup hydraulic digging frequency DTH drilling through rock pores Dizhi transfer pipe swivel joint means, characterized in that: said pressure side sleeve (3) is provided with a pin hole on both sides square sleeve, lower sleeve pressure side (3) of the fixed disk, the disk in the circumferential direction of the bottom roller is mounted, the hinge plate (5) is connected to the disc.
4.根据权利要求1所述的旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置, 其特征是:所述的铰链压板(5)是一个圆环形圆盘,在该圆盘边缘上均匀安装有三个铰链, 连接导杆(7)的一端连接在该铰链上。 The rotation according to claim 1 makeup hydraulic digging through the rock drill frequency DTH pipe swivel joint hole Dizhi transfer apparatus, characterized in that: said hinge plate (5) is a circular disc, the circular uniformly on the disc edge three hinges attached to one end connected to the guide rod (7) is connected to the hinge.
5.根据权利要求1所述的旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置, 其特征是:所述的回转接头外套(10)是一个圆筒,其外侧表面沿圆周方向按三等份排列、上下设置安装有铰链连接块(9),回转接头外套(10)通过轴承连接在回转接头组件中心轴(12)上的回转接头芯轴(11)上,回转接头外套(10)上端连接有三根油管(8)。 The rotation according to claim 1 makeup hydraulic digging through the rock drill frequency DTH pipe swivel joint hole Dizhi transfer apparatus, characterized in that: said rotary joint housing (10) is a cylinder, whose outer circumferential surface direction by three equal portions arranged in the vertical hinge connection is provided with a mounting block (9), the swivel joint housing (10) is connected via a bearing spindle on the swivel joint swivel joint assembly central axis (12) (11), the swivel joint coat (10) is connected to three upper tube (8).
6.根据权利要求1或4或5所述的旋挖粧机液压高频潜孔穿岩钻油管回转接头孔底止转装置,其特征是:所述的滚轮护板(6)是一个长方形板,两端向内弯折30至45度,三个滚轮护板(6)平均分布在与铰链压板(5)上三个铰链对应的外圆周上,在每个滚轮护板(6)外侧上下均安装有滚轮,连接导杆(7)的一端连接在滚轮护板(6)上端的滚轮上,滚轮护板(6)上下的滚轮分别通过连接导杆(7)连接在回转接头外套(10)上的铰链连接块(9)上。 The spin 1 or 4 or claim 5 makeup hydraulic digging through the rock drill frequency DTH pipe swivel joint hole Dizhi transfer apparatus, characterized in that: the wheel guard (6) is a rectangular plate, two inwardly bent ends 30 to 45 degrees, three wheel guard (6) evenly distributed on the outer circumference of the platen and the hinge (5) corresponding to the three hinges, and down the outside of each roller are mounted in the shield (6) there roller, one end connected to the guide rod (7) connected to the roller upper end of the wheel guard (6), the roller wheel guard (6) up and down are connected to the rotary joint housing (10) through the connecting guide rods (7) the hinge connection block (9).
CN201510034320.3A 2015-01-23 2015-01-23 Rotary hydraulic pile driver frequency DTH through the rock drill pipe swivel joint hole transfer means Dizhi CN104863520B (en)

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