CN104763010A - Milling vibration smashing type engineering grooving machine - Google Patents
Milling vibration smashing type engineering grooving machine Download PDFInfo
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- CN104763010A CN104763010A CN201510173686.9A CN201510173686A CN104763010A CN 104763010 A CN104763010 A CN 104763010A CN 201510173686 A CN201510173686 A CN 201510173686A CN 104763010 A CN104763010 A CN 104763010A
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Abstract
The invention relates to a milling vibration smashing type engineering grooving machine. The milling vibration smashing type engineering grooving machine comprises winch equipment, a power system, a walking device and a monitoring device. A vibration smashing milling device is suspended to the traction end of the winch equipment and comprises a longitudinal guiding frame, a rudder plate deviation correction device, a milling shaft with a milling cutter, and a vibration punch hammer. The axis of the milling shaft is located inside the plane where the guiding frame is located and the milling shaft is horizontally arranged and driven by a hydraulic motor. The milling shaft has the rotating milling state, and the external contour of the milling shaft eccentrically rotates when the milling shaft is in the rotating milling state. The hydraulic motor has the driving state and covers the rotating direction according to the preset period when in the driving state. The guiding frame is provided with a hydraulic oil pipeline communicated with the hydraulic motor. The suspension type frame is adopted for omitting a stroke drill rod, the milling shaft is adopted for replacing the multi-drill-bit structure, meanwhile, a reversing device is omitted or the size of the reversing device is decreased so that the size of a grooving machine tunneling device can be decreased, the grooving machine can cut narrow and deep grooves in various rock stratums, and the rudder plate deviation correction device is adopted for ensuring the grooving perpendicularity.
Description
Technical field
The present invention relates to a kind of milling concussion punching and pound formula engineering groover, belong to fluting apparatus technical field.
Background technology
Understand according to inventor, at engineering fields such as water conservancy, traffic, buildings, need under different geological conditions, build various undergrounds continuous print body of wall.In practice of construction process, to build various undergrounds continuous print body of wall on the stratum containing gravel, boulder, the stone that wafts and compared with competent bed being driven deep trouth, be then very thorny and have problem to be solved.Adopt the groover developed of inventor can high efficiency, complete fluting operation at low cost, respond well.
Chinese invention patent (the application number 201110273179.4 that inventor applied on September 14th, 2011, Authorization Notice No. CN102409972B) disclose a kind of many bit convolution punching/tamping engineering groovers, utilize many drill bits and punching to pound hammer, carry out drilling, impact and rammer simultaneously and pound; Utilize auxiliary drill bit to expand Churn drill bevel to amass, and the crescent moon between main drill bit is fallen in drilling, make that remaining part is separate is easy to broken; Utilize blade row by broken rock and soil remaining on grooving projection plane.During actual use, can according to the mechanical property of stratum ground, adjustment groover duty, to soft stratum to cut, hardpan is to impact, and ultrahard stratum is pounded to ram, and directly completes fluting efficiently on bad ground.Inventor finds in practical studies, the stroke drilling rod extending to bottom land in above-mentioned groover from ground is the two drilling rod of rigidity, two rigidity drilling rod unbalance stress are easily caused when tunneling on uneven stratum, and then fracture, the accident such as bury drills, this just needs to cancel stroke drilling rod to be avoided the generation of this problem.Meanwhile, above-mentioned groover adopts many drill bit structures, not only needs multiple drill bit and corresponding hermetically-sealed construction, also needs the transfer case in order to the many drill bits of transmission, and the frictional resistance of multiple drill bit sealing simultaneously also increases its power consumption.
In addition, (as the Chinese utility model patent of patent No. CN99230153.X Authorization Notice No. CN2404804Y in the Patents also applied for before inventor, the Chinese invention patent of patent No. CN00112009.3 Authorization Notice No. CN1094554C, the Chinese invention patent of patent No. CN200710025498.7 Authorization Notice No. CN101100865B), have employed the structure that reversing arrangement matches with milling axle, but inventor finds in practical application afterwards, due to reducing gear or stroke drilling rod volume larger, need the reversing arrangement using larger volume, not only connecing of stroke drilling rod tears that operation is comparatively consuming time takes a lot of work open, make whole groover cannot dig the less narrow groove of thickness simultaneously, limit the range of application of groover.
Summary of the invention
Technical problem to be solved by this invention is: overcome prior art Problems existing, there is provided a kind of milling to shake punching and pound formula engineering groover, adopt hanging type framework to cancel stroke drilling rod, many drill bit structures are replaced with milling axle, cancel reversing arrangement simultaneously or reduce reversing arrangement volume to reduce the volume of groover mole, narrow groove depth groove can be dug out in various ground stratum.
For achieving the above object, inventors performed in depth practical studies finding, although adopt hanging type framework can cancel stroke drilling rod, adopt milling axle can replace many drill bit structures, but whole framework offset from perpendicular can be driven because of ground reaction force during milling axle driving, the verticality of slotting cannot be ensured.Have based on this, inventor has made and has goed deep into practical studies further, and has drawn following technical scheme:
Formula engineering groover is pounded in a kind of milling concussion punching, comprises the running gear with hoisting equipment and dynamical system, and supervising device; Described hoisting equipment traction end is hung with concussion punching and pounds milling attachment; It is characterized in that, described concussion punching is pounded milling attachment and is comprised longitudinal guide frame, rudder plate deviation correcting device, the milling axle with milling cutter and shake block stamp; Described rudder plate deviation correcting device is placed in guide frame, and described milling axle is single and is placed in outside guide frame bottom girder, and described shake block stamp to be positioned at inside guide frame bottom girder and to rise and falls within bottom girder upper surface; The axis of described milling axle is positioned at plane residing for guide frame, and level or be in tilted layout; Described milling axle by the fluid motor-driven of accumbency, or is driven by reversing arrangement by vertical hydraulic motor; Described milling axle has the rotation milling state that profile cam rotates, and described hydraulic motor has the driving condition by predetermined period conversion rotation direction; Described guide frame has the hydraulic oil pipeline communicated with hydraulic motor.
In this structure, on the one hand, adopt rudder plate deviation correcting device to make the guide frame departed from get back to vertical direction, thus guarantee the verticality of fluting; On the other hand, single milling eccentric shaft rotates, hydraulic motor periodic reverse, milling axle is except impacting up and down, gabarit with milling cutter produces left and right concussion, is conducive in tunneling process, the gravel in stratum being clamp-oned cell wall more, without the need to pulverizing gravel completely, improve fluting efficiency, reduce the energy consumption pulverizing gravel, the eccentric slot simultaneously occurred in rotary course is conveniently slagged tap, and improves drivage efficiency.In addition, when adopting vertical hydraulic motor, be not stroke drilling rod but short driving shaft owing to being connected with reversing arrangement, only need small diameter to meet requirement of strength, therefore reversing arrangement can adopt less volume.
Concussion punching, when running into harder rock stratum, can be pounded milling attachment by hoisting equipment and draw to rise and fall and carry out punching to gravel, rock and pound, be beneficial to the fragmentation to competent bed by this structure.
The perfect further technical scheme of the present invention is as follows:
Preferably, whole of described milling axle or segmentation and milling axle center of rotation maintain eccentric throw.
Preferably, described rudder plate deviation correcting device is positioned at guide frame top or bottom; Described rudder plate deviation correcting device comprises front side push pedal, rear side push pedal, the support that is connected with guide frame; Described front side, rear side push pedal respectively through rotating shaft and support hinged, the push pedal of described front side, rear side push pedal are driven by hydraulic means respectively; Described rudder plate deviation correcting device has when guide frame offset from perpendicular, control device controls front side push pedal or rear side push pedal ejection cell wall, makes guide frame get back to the correction state of vertical direction.
Can guarantee that guide frame gets back to vertical direction further like this, guarantee verticality of slotting.Meanwhile, when rudder plate makes left and right layout, the regulation and control of guide frame left rotation and right rotation can be implemented.
Preferably, described milling axle has ring-type or spirality tooth bar, and described tooth bar top is provided with the alloy cutter tooth being parallel to main shaft.
Preferably, described shake block stamp is that submerged type inertia force vibration exciter vibration-impact type is hammered into shape, high-pressure fluid drive-type rushes the vibrating hammer pounded hammer, the vibrating hammer driven by electromagnetic exciting device or driven by mechanical oscillation percussion mechanism; Described shake block stamp is vertical placement or accumbency; When described shake block stamp is horizontal type, described shake block stamp has vertical drainage passage, and described guide frame rises and falls in stroke range, in shake block stamp arranged outside up and down at shake block stamp side shield, can prevent water attack from impacting slurry trench stability.
Preferably, described guide frame is also provided with the supply channel from ground to milling axle supply cooling lubricated water; Described guide frame top is provided with cutter upward; Described guide frame is also provided with rotary deviation-rectifying device; Described guide frame bottom girder place is also provided with gravity deviation correcting device, and described gravity deviation correcting device comprises weight and counterweight.
Preferably, the segmentation of described milling axle, comprises horizontal milling axle, is positioned at the inclination milling axle of horizontal milling axle both sides; Described inclination milling shaft end head milling scope covers guide frame newel post bottom.
Preferably, when adopting vertical hydraulic motor, described reversing arrangement is bevel gear, and described hydraulic motor is connected with vertical-transmission bar by straight-tooth gear, described vertical-transmission bar drives milling axle by described bevel gear, and the bottom of described vertical-transmission bar is connected with the location drill bit covering bevel gear.
Preferably, the back timber that described guide frame has be provided with the slag absorbing passage be communicated with outside dreg inhaling pipe in curb girder, described guide frame bottom girder has aperture that is some and slag absorbing channel connection; Described dreg inhaling pipe is communicated with outside slush pump or gravel pump.To take direct circulation or Pump breath countercirculate deslagging.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) adopt the guide frame hung, eliminate the stroke drilling rod from ground to bottom land, omit the operation of stacks, excavator conveniently moving, complete machine maneuverability, avoid adopting the two drilling rod of rigidity incidently to fracture, the accident such as bury drills.Deviation correcting device is adopted effectively to ensure the verticality of slotting.
(2) be no matter the fluid motor-driven milling axle of accumbency, or vertical hydraulic motor first makes vertical rotary be converted to horizontal rotary through the reversing arrangement of small volume through short and drive link that diameter is little to transfer and drive milling axle again, the thickness of whole guide frame and milling attachment can reduce further, thus can open narrower groove (can dig thickness be only 20cm within narrow groove).In many Practical Projects, as the build of the underground anti-seepage of reservoir in hydraulic engineering and river dike, be generally mainly required to meet the barrier performance of impervious wall, adopt narrow groove can save engineering quantity and engineering funds in a large number.Groover of the present invention, compared with various groover in the past, has irreplaceable technical advantage for opening narrow groove in the bad ground that there is gravel, rock etc.
(3) eccentric vibrating type is adopted to impact drilling, the concussion of left and right directions is also add like this except vertical concussion, in tunneling process, be conducive to the gravel in stratum to clamp-on cell wall more, without the need to pulverizing gravel completely, improve fluting efficiency, sediment falling rocks is formed and stirs up and down (comprising the auxiliary boring mud covering drill bit) under milling axle concussion turning effort, slags tap conveniently; Particularly in the argillic horizon that stickiness is very large during digging, which is conducive to the attachment avoiding clay to milling attachment, improves drivage efficiency.
(4) adopt milling axle to replace many drill bit structures, multiple drill bit and sealing thereof can be saved, also can reduce frictional resistance and the power consumption thereof of multiple drill bit sealing simultaneously; Once can be milled into rectangular channel, and not need to carry out secondary cutting to moon part; Tooth plate can be avoided to intercept and bring inconvenient drawback of slagging tap, work efficiency is high, and the succinct cost of equipment is low.
(5) hydraulic motor adopts the radial many curves hydraulic motor of low-speed big, and its performance is extremely mated with the working condition requirement of driving, has stronger radial impact resistance, thus can Direct driver, omit complicated transmission link and mechanism, highly simplify structure, raise the efficiency.
(6) be provided with cutter at guide frame top, under the effect of multi-direction shake impulse force, guide frame can be proposed ground when cell wall slump, ensure facility safety and normal construction.
Guide frame entirety can be risen and fallen and to be impacted ground by the present invention while vibration hammer impacts, and utilizes row high frequency to impulse, or punching is pounded and combined with concussion, according to the efficient digging of Different Strata, guiding and correction performance good; Direction of travel can with guide frame plane parallel or vertical, require low, to complicated landform strong adaptability to operating surface and road width.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the schematic diagram of the embodiment of the present invention 1 guide frame main body.
Fig. 3 is the a-quadrant enlarged drawing of Fig. 2.
Fig. 4 is the deviation correcting device schematic side view of Fig. 2 embodiment.
Fig. 5 is the schematic diagram of the embodiment of the present invention 2 guide frame main body.
Fig. 6 is the schematic diagram of the embodiment of the present invention 3 guide frame main body.
Detailed description of the invention
With reference to the accompanying drawings and the present invention is described in further detail in conjunction with the embodiments.But the invention is not restricted to given example.
Embodiment 1
As shown in Figures 1 to 4, formula engineering groover is pounded in the present embodiment milling concussion punching, comprises the running gear 2 with hoisting equipment 1 and dynamical system, and supervising device (not shown); Hoisting equipment 1 traction end is hung with concussion punching and pounds milling attachment; Concussion punching is pounded milling attachment and is comprised longitudinal guide frame 3, rudder plate deviation correcting device 4, the milling axle 9 with milling cutter and shake block stamp 6; Rudder plate deviation correcting device 4 is placed in guide frame 3, and milling axle 9 is for single and be placed in outside guide frame bottom girder 5, and shake block stamp 6 to be positioned at inside guide frame bottom girder 5 and to rise and falls within bottom girder 5 upper surface; The axis of milling axle 9 is positioned at plane residing for guide frame 3, and horizontal arrangement; Milling axle 9 is driven by the hydraulic motor 10 of accumbency; Milling axle 9 has the rotation milling state that profile cam rotates, and hydraulic motor 10 has the driving condition by predetermined period conversion rotation direction; Guide frame 3 has the hydraulic oil pipeline 18 communicated with hydraulic motor 10.
Rudder plate deviation correcting device 4 is positioned at guide frame 3 top; Rudder plate deviation correcting device 4 comprises front side push pedal 14, rear side push pedal 15, the support 16 that is connected with guide frame 3; Front side, rear side push pedal 14,15 are hinged through rotating shaft 17 and support 16 respectively, and front side push pedal 14, rear side push pedal 15 drive (such as being driven by hydraulic piston) by hydraulic means respectively; Rudder plate deviation correcting device 4 has when guide frame 3 offset from perpendicular, control device controls front side push pedal 14 or rear side push pedal 15 ejection cell wall, makes guide frame 3 get back to the correction state of vertical direction.
It should be noted that, rudder plate deviation correcting device 4 also can be positioned at the bottom of guide frame 3, when rudder plate makes left and right layout, can implement the regulation and control of guide frame left rotation and right rotation.In addition, milling axle 9 is single, refers in guide frame bottom girder coverage, has and only has single milling axle (whole or segmentation), being different from the situation that more than two milling axles are placed side by side.
Whole of milling axle 9 or segmentation and milling axle 9 center of rotation maintain eccentric throw.Milling axle 9 has ring-type or spirality tooth bar, and tooth bar top is provided with the alloy cutter tooth (not shown) being parallel to main shaft.
Shake block stamp 6 is submerged type inertia force vibration exciter vibration-impact type hammer, high-pressure fluid drive-type rushes the vibrating hammer pounded hammer, the vibrating hammer driven by electromagnetic exciting device or driven by mechanical oscillation percussion mechanism; Shake block stamp 6 is horizontal type, and shake block stamp 6 has vertical drainage passage, and guide frame 3 rises and falls in stroke range, in shake block stamp 6 arranged outside at shake block stamp about 6 side shield, can prevent water attack from impacting (not shown) to slurry trench stability.
Guide frame 3 is also provided with the supply channel supplying cooling lubricated water from ground to milling axle 9; Guide frame 3 top is provided with cutter upward; Guide frame 3 is also provided with rotary deviation-rectifying device; Guide frame bottom girder 5 place is also provided with gravity deviation correcting device, and gravity deviation correcting device comprises weight and counterweight (not shown).
The back timber that guide frame 3 has be provided with the slag absorbing passage be communicated with outside dreg inhaling pipe in crossbeam, guide frame bottom girder 5 has some apertures and slag absorbing channel connection; Dreg inhaling pipe is communicated with (not shown) with outside slush pump or gravel pump.Direct circulation or Pump breath countercirculate deslagging can be taked like this.
Interior hyperbola radial motor selected by hydraulic motor 10, and its rotating speed is lower, moment of torsion large and volume is relatively little, establishes elastic frame, to improve the performance of anti-vibration between hydraulic motor 10 and newel post 11.
Set position drill bit 12 below guide frame 3 newel post 11, driven through drive link 13-1 by the hydraulic motor 13 of the vertical placement being arranged at newel post 11 and crossbeam.
Guide frame 3 top is provided with the main entrance 19 holding hydraulic oil pipeline entrance, supply channel entrance and cable inlet.
Embodiment 2
As shown in Figure 5, compared with embodiment 1, the difference of the present embodiment is as follows:
9 points two sections, milling axle, and be in tilted layout in vertical-transmission bar 21 both sides, driven by reversing arrangement 22 by vertical hydraulic motor 13.Milling axle 9 milling scope covers guide frame 3 newel post bottom.
Reversing arrangement 22 is bevel gear, and hydraulic motor 10 is connected with vertical-transmission bar 21 by straight-tooth gear, and vertical-transmission bar 21 drives milling axle 9 by bevel gear 22, and the bottom of vertical-transmission bar 21 is connected with the location drill bit 12 covering bevel gear 22.
Embodiment 3
As shown in Figure 6, compared with embodiment 1, the difference of the present embodiment is as follows:
Milling axle 9 segmentation, comprises horizontal milling axle 9-1, is positioned at the inclination milling axle 9-2 of horizontal milling axle 9-1 both sides; Inclination milling axle 9-2 termination milling scope covers guide frame 3 newel post bottom.
Adopt vertical hydraulic motor 13, reversing arrangement 25 is bevel gear, hydraulic motor 13 is connected with vertical-transmission bar 21 by straight-tooth gear, vertical-transmission bar 21 drives horizontal milling axle 9-1 and inclination milling axle 9-2 by bevel gear 25, and the location drill bit 12 that bottom and the bevel gear of vertical-transmission bar 21 cover is connected.Hydraulic motor 13, vertical-transmission bar 21, bevel gear reversing arrangement 25 have two covers.
Vertical-transmission bar 21 is through shake block stamp 6, and shake block stamp 6 is along drive link 21 catenary motion.
The present invention is compared with groover in the past, (minimum one-tenth slot thickness is at about 20 centimeters can to open narrower groove according to requirement of engineering in various stratum, maximum groove depth is more than 80 meters) Anti-seeping technology to mountain reservoir dam, prove according to a large amount of engineering experience of China, the degree of depth is first-selected diaphragm wall within 80 meters, below it, more depths can be aided with pressure grouting process, in many Practical Projects, when building narrow diaphragm wall or seepage control project, fluting workload and to build in engineering quantity all can corresponding saving a lot, also be the unique advantage that the present invention has, be conducive to employing and the popularization of underground construction cavum lamella structure.Single milling axle concussion is impacted single-shaft-rotation in the stratum containing gravel and more gravel can be clamp-oned cell body sidewall, and without the need to whole pulverizing, also can improve drivage efficiency thus further, reduces energy consumption.
Groover technical advantage of the present invention is obvious, and the bodily form is little, lightweight, maneuverability, to geology and landform compliance very strong, cost is low, work efficiency is high:
The present invention can be pounded rising and falling of milling attachment by the whole concussion punching comprising guide frame 3 and to be impacted ground while vibration hammer impacts, high frequency is utilized to impulse, or punching is pounded and combined with concussion, according to the efficient digging of Different Strata, guiding and correction performance good; Direction of travel can with drilling tool plane parallel or vertical, to operating surface and road thickness requirement low, to complicated landform strong adaptability.Namely groover single shaft of the present invention can realize less grooving wall thickness, so that can lay one deck vertical seepage control film in groove, can adapt to the needs of the various antiseepages such as water conservancy, traffic, urban construction and Foundation Design, can save a large amount of engineering funds.
Milling axle 9 concussion while rotation milling that milling attachment is pounded in concussion punching is impacted, and is adapted to the stratum containing gravel, can pound when decomposed rock or basement rock tunnel together with general frame rushing of doing to rise and fall up and down under the traction of hoisting equipment 1.According to impulse principle, hard rock, colliding action time when the punching of drill unit whereabouts is pounded can be shorter, and thus active force is larger, rushes that to pound effect better.Empirical tests, its active force increases its active force with the hardness of rock can be amplified to more than the decades of times of weight.And horizontal axis vibrates at a high speed rotary cut when running into argillic horizon, clay can be avoided adhere to, raising drivage efficiency.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (9)
1. a formula engineering groover is pounded in milling concussion punching, comprises the running gear with hoisting equipment and dynamical system, and supervising device; Described hoisting equipment traction end is hung with concussion punching and pounds milling attachment; It is characterized in that, described concussion punching is pounded milling attachment and is comprised longitudinal guide frame, rudder plate deviation correcting device, the milling axle with milling cutter and shake block stamp; Described rudder plate deviation correcting device is placed in guide frame, and described milling axle is single and is placed in outside guide frame bottom girder, and described shake block stamp to be positioned at inside guide frame bottom girder and to rise and falls within bottom girder upper surface; The axis of described milling axle is positioned at plane residing for guide frame, and level or be in tilted layout; Described milling axle by the fluid motor-driven of accumbency, or is driven by reversing arrangement by vertical hydraulic motor; Described milling axle has the rotation milling state that profile cam rotates, and described hydraulic motor has the driving condition by predetermined period conversion rotation direction; Described guide frame has the hydraulic oil pipeline communicated with hydraulic motor.
2. formula engineering groover is pounded in milling concussion punching according to claim 1, it is characterized in that, whole of described milling axle or segmentation and milling axle center of rotation maintain eccentric throw.
3. formula engineering groover is pounded in milling concussion punching according to claim 1, and it is characterized in that, described rudder plate deviation correcting device is positioned at guide frame top or bottom; Described rudder plate deviation correcting device comprises front side push pedal, rear side push pedal, the support that is connected with guide frame; Described front side, rear side push pedal respectively through rotating shaft and support hinged, the push pedal of described front side, rear side push pedal are driven by hydraulic means respectively; Described rudder plate deviation correcting device has when guide frame offset from perpendicular, control device controls front side push pedal or rear side push pedal ejection cell wall, makes guide frame get back to the correction state of vertical direction.
4. formula engineering groover is pounded in milling concussion punching according to claim 1, and it is characterized in that, described milling axle has ring-type or spirality tooth bar, and described tooth bar top is provided with the alloy cutter tooth being parallel to main shaft.
5. formula engineering groover is pounded in milling concussion punching according to claim 1, it is characterized in that, described shake block stamp is that submerged type inertia force vibration exciter vibration-impact type is hammered into shape, high-pressure fluid drive-type rushes the vibrating hammer pounded hammer, the vibrating hammer driven by electromagnetic exciting device or driven by mechanical oscillation percussion mechanism; Described shake block stamp is vertical placement or accumbency; When described shake block stamp is horizontal type, described shake block stamp has vertical drainage passage, and described guide frame rises and falls in stroke range, in shake block stamp arranged outside up and down at shake block stamp side shield.
6. formula engineering groover is pounded in milling concussion punching according to claim 1, it is characterized in that, described guide frame is also provided with the supply channel from ground to milling axle supply cooling lubricated water; Described guide frame top is provided with cutter upward; Described guide frame is also provided with rotary deviation-rectifying device; Described guide frame bottom girder place is also provided with gravity deviation correcting device, and described gravity deviation correcting device comprises weight and counterweight.
7. milling concussion punching pounds formula engineering groover, the inclination milling axle of the horizontal milling axle both sides that it is characterized in that, the segmentation of described milling axle, comprise horizontal milling axle, are positioned at according to claim 1; Described inclination milling shaft end head milling scope covers guide frame newel post bottom.
8. formula engineering groover is pounded in milling concussion punching according to claim 1, it is characterized in that, when adopting vertical hydraulic motor, described reversing arrangement is bevel gear, described hydraulic motor is connected with vertical-transmission bar by straight-tooth gear, described vertical-transmission bar drives milling axle by described bevel gear, and the bottom of described vertical-transmission bar is connected with the location drill bit covering bevel gear.
9. formula engineering groover is pounded in milling concussion punching according to claim 1, it is characterized in that, the back timber that described guide frame has be provided with the slag absorbing passage be communicated with outside dreg inhaling pipe in curb girder, described guide frame bottom girder has aperture that is some and slag absorbing channel connection; Described dreg inhaling pipe is communicated with outside slush pump or gravel pump.
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| CN110158692A (en) * | 2019-05-23 | 2019-08-23 | 江苏徐工工程机械研究院有限公司 | Milling wheel |
| CN110359842A (en) * | 2019-07-17 | 2019-10-22 | 西安石油大学 | A kind of well track adjustment device of fine and close oily drilling well |
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| CN110158692A (en) * | 2019-05-23 | 2019-08-23 | 江苏徐工工程机械研究院有限公司 | Milling wheel |
| CN110158692B (en) * | 2019-05-23 | 2024-03-01 | 江苏徐工工程机械研究院有限公司 | Milling wheel |
| CN110359842A (en) * | 2019-07-17 | 2019-10-22 | 西安石油大学 | A kind of well track adjustment device of fine and close oily drilling well |
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| CN104763010B (en) | 2017-03-01 |
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