WO2016201590A1 - Tête fraiseuse longitudinale à vibration haute fréquence et machine à fraiser et foreuse comprenant la tête fraiseuse - Google Patents

Tête fraiseuse longitudinale à vibration haute fréquence et machine à fraiser et foreuse comprenant la tête fraiseuse Download PDF

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Publication number
WO2016201590A1
WO2016201590A1 PCT/CN2015/000534 CN2015000534W WO2016201590A1 WO 2016201590 A1 WO2016201590 A1 WO 2016201590A1 CN 2015000534 W CN2015000534 W CN 2015000534W WO 2016201590 A1 WO2016201590 A1 WO 2016201590A1
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Prior art keywords
milling head
milling
longitudinal
vibration
box body
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PCT/CN2015/000534
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English (en)
Chinese (zh)
Inventor
唐忠盛
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唐忠盛
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Application filed by 唐忠盛 filed Critical 唐忠盛
Publication of WO2016201590A1 publication Critical patent/WO2016201590A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines

Definitions

  • the invention belongs to the technical field of engineering machinery, in particular to a high-frequency vibration longitudinal milling head and a milling machine and a roadheading machine having the same.
  • the milling machine is a hydraulic attachment used with excavators. It can be widely used in tunnels, ditches, engineering construction, rock excavation and other construction fields. It has the advantages of high efficiency, accuracy and low cost. According to the layout of the milling head, there are two basic types: horizontal milling machine and longitudinal milling machine. The prior art has been used in many countries and various sizes and models.
  • the roadheader is similar to the milling machine installed on the special chassis. It is a complete vehicle equipment integrating cutting, shipping, walking and operation. It is mainly used for cutting downhole rock, coal or semi-coal rock of any shape section. Roadway.
  • the working principle of the milling machine and the roadheader is as follows: the hydraulic motor drives the milling head to rotate through the transmission mechanism, so that the cutting teeth mounted on the milling head perform cutting operations on the contact materials, so that the materials are peeled off and the purpose of milling is achieved.
  • Motor drive milling heads are also used in roadheaders.
  • the prior art milling machine and roadheader are suitable for medium and low hardness rock formations and minerals. When encountering medium and high hardness rock formations, there is a phenomenon of milling or inefficiency and large picking loss, so the application occasion is greatly restricted. .
  • the technical problem to be solved by the present invention is to provide a high-frequency vibration longitudinal milling head and a milling machine and a roadheading machine having the same, wherein the milling head can perform high-frequency repeated vibration while performing a rotary motion.
  • the picking teeth on the milling head are used to impact and cut the composite force on the contact material, thereby easily breaking the hard rock.
  • the high-frequency vibration longitudinal milling head of the invention comprises a longitudinal milling head 2, a milling head block 12, a milling body 10, a cutting motor 4, a gearbox 3, and a milling head block 12 is mounted at one end of the milling machine body 10.
  • the other end of the milling machine body 10 is provided with a connecting seat 7 connected to a milling machine or a roadheader.
  • the cutting motor 4 and the gearbox 3 are mounted on the milling head block 12, and the longitudinal milling head 2 is provided with a milling pick. 1.
  • the top rotating shaft of the longitudinal milling head 2 is mounted on the milling headstock 12 and coupled to the output end of the gearbox 3, the input end of the gearbox 3 is coupled to the cutting motor 4; the vibration box is mounted above the milling headstock 12
  • the body 5, the vibrating case 5 outputs a high-frequency vibration force to the milling head block 12, so that the longitudinal milling head 2 can realize a high-speed repeated vibrating motion while realizing its own rotational motion.
  • the vibration box body 5 is placed in the milling machine body 10, and the vibration box body 5, the milling head holder 12 and the side wall of the milling machine body 10 are connected by the vibration damping rubber 9 to realize the sliding displacement, and the vibration box body 5 and the milling An air spring 8 is disposed between the tops of the digging body 10.
  • the vibration box body 5 is a vibration box body of an in-line four-eccentric wheel structure or a vibration box body of a pair of eccentric wheel structures.
  • the vibration box body is installed on the side of the milling head block 12, the vibration box body is a single eccentric wheel vibration box body, and the vibration damping rubber 9 is arranged between the milling head block 12 and the side wall of the milling machine body 10, and the milling is performed.
  • An air spring 8 is disposed between the headstock 12 and the top of the milling body 10.
  • the milling machine structure of the present invention has a high-frequency vibration longitudinal milling head: the high-frequency vibration longitudinal milling head is connected to the telescopic boring boom 23 through the connecting seat 7, and the other end of the boring boom 23 is excavated or excavated.
  • the mounting base 27 of the machine is hinged, and the telescopic cylinder 22 and the lifting cylinder 25 are respectively mounted on the side and the lower side of the excavating boom 23, and one end of the telescopic cylinder 22 and the lifting cylinder 25 are hinged to the mounting base 27, and the other end is boring.
  • the boom 23 is hinged.
  • the boring machine structure with the high-frequency vibration longitudinal milling head is: the high-frequency vibration longitudinal milling head is connected with the retractable boring boom 23 through the connecting seat 7, and the other end of the boring boom 23 is excavated or the boring machine
  • the mounting base 27 is hinged, and a telescopic cylinder 22 and a lifting cylinder 25 are respectively mounted on the side and the lower side of the excavating boom 23, and one end of the telescopic cylinder 22 and the lifting cylinder 25 are hinged to the mounting base 27, and the other end is enlarged with the excavation
  • the arm 23 is hinged; the mounting base 27 is mounted at one end of the boring machine chassis 21, and is provided with a side swaying mechanism 34 for controlling the mounting base 27 to swing left and right.
  • the other end of the boring machine chassis 21 is provided with a conveying device 20, and the boring is large.
  • a collecting device 24 mounted on the boring machine chassis 21 and in contact with the conveying device 20, and a running mechanism 26 is mounted at the bottom of the boring machine chassis 21.
  • the high-frequency vibration longitudinal milling head of the invention can be combined with the vibration box body to realize high-frequency repeated vibration while performing the rotary motion, so that the pick teeth on the milling head can impact and cut the composite force on the contact material. , which easily breaks hard rock.
  • the milling machine and the roadheading machine with the high-frequency vibration longitudinal milling head are installed in the invention, and during the operation, the milling cutter picks up the material and also applies a high impact force, so that the rock can be broken instantly.
  • the milling machine and the roadheader of the invention can excavate various high-hardness rocks and materials, and the working efficiency of the low-hardness rock and materials is obviously improved. Since the rock is broken by the impact force when the rock is broken, the wear on the pick is greatly reduced, and the advancement is obvious. It is also suitable for a variety of medium and high hardness rock, improving work efficiency and reducing pick wear.
  • FIG. 1 is a schematic view showing the overall structure of a high-frequency vibration longitudinal milling head according to a first embodiment of the present invention.
  • the vibration box body in the figure adopts a pair of vibrating boxes with an eccentric wheel structure.
  • FIG. 2 is a schematic view showing the overall structure of the embodiment 2 of the high-frequency vibration longitudinal milling head according to the present invention.
  • the vibration box body in the figure adopts a vibration box body of an in-line four-eccentric wheel structure.
  • FIG. 3 is a schematic view showing the overall structure of the embodiment 3 of the high-frequency vibration longitudinal milling head according to the present invention.
  • the vibration box body in the figure adopts a structural schematic diagram of a single eccentric vibration box.
  • FIG. 4 is a schematic view of a milling machine and a roadheader equipped with the high-frequency vibration longitudinal milling head of FIG. 3.
  • Milling pick 1 longitudinal milling head 2, gearbox 3, cutting motor 4, vibrating box 5, vibration motor 6, connecting seat 7, air spring 8, damping rubber 9, milling body 10, eccentric 11 , milling head block 12, single eccentric vibration box 15, conveying device 20, roadhead chassis 21, telescopic cylinder 22, tunneling arm 23, collecting device 24, lifting cylinder 25, running mechanism 26, mounting base 27, side swing mechanism 34.
  • the high-frequency vibration longitudinal milling head of the present invention comprises a longitudinal milling head 2, a milling head holder 12, a milling body 10, a cutting motor 4, a gearbox 3, and a milling head holder 12.
  • a connecting seat 7 mounted at one end of the milling body 10, the other end of the milling body 10 is provided with a connecting seat 7, which can be coupled with the excavator bucket pin.
  • the cutting motor 4 and the gearbox 3 are mounted on the milling head block 12, and the longitudinal milling head 2 is provided with a milling pick 1 on which the top rotating shaft of the longitudinal milling head 2 is mounted and coupled to the gearbox 3 output end connection, the input end of the gearbox 3 is coupled with the cutting motor 4; the upper part of the milling head block 12 is fixed
  • the vibration box body 5 is installed, and the vibration box body 5 is placed in the milling machine body 10.
  • the vibration box body 5 and the milling head block 12 are connected with the side wall of the milling machine body 10 through the vibration damping rubber 9 to realize sliding displacement, and the vibration box body
  • An air spring 8 is provided between the top of the milling body 10 and the top of the milling body 10.
  • the vibration box body 5 can be a vibration box 5 of the prior art.
  • the vibrating case 5 of the present embodiment has a pair of eccentric wheels 11 on which the exact same meshing gears are respectively mounted on the rotating shaft of the eccentric wheel 11, wherein the rotating shaft of one of the eccentric wheels 11 is driven to rotate by the vibration motor 6, and then the meshing gear is used to The pair of eccentric wheels 11 are relatively moved, so that the vibration box body 5 outputs a high-frequency vibration force to the milling head block 12, thereby realizing the high-speed repeated vibration movement of the longitudinal milling head 2 while performing its own rotation motion.
  • the cutting motor 4 is turned on, and the cutting motor 4 drives the longitudinal milling head 2 to rotate through the gearbox 3.
  • the vibration motor 6 is further turned on, and the vibration motor 6 drives the rotation of the rotating shaft of the eccentric wheel 11.
  • the two rotating shafts are rotated in the same phase by the same meshing gears, and the two identical eccentric wheels 11 are rotated in the same phase, so that the vibration box body 5 is
  • the horizontal eccentric force is offset, and the eccentric forces are superimposed on each other in the vertical direction, thereby outputting the repeated vibration force in the vertical direction to the milling head 12, so that the milling head 12 carries the longitudinal milling head 2 to perform high frequency repetitive motion.
  • the top is provided with an air spring 8 to restrict the upward movement position, and the air spring 8 can store the vibration force of the vibration pin body and the material to be cut.
  • the repulsive force of the longitudinal milling head 2 is released during the downward movement, so that the impact of the milling cutter 1 on the material is stronger.
  • the body can also apply pressure to the milling head through the air spring to make the cutting force larger.
  • the damping rubber 9 allows the vibration force on the milling head to not be transmitted directly to the milling body.
  • Embodiment 2 as shown in FIG. 2, the structure of the high-frequency vibration longitudinal milling head of the present example is basically the same as that of Embodiment 1, except that the vibration box 5 used is an in-line four-eccentric vibration box (the structure is existing) Technology For the technique, see Chinese Patent Application No. 2013103465294, the invention name is an in-line eccentric vibration mechanism, and the vibration box can obtain greater vibration impact force. No damping rubber may be provided between the milling head block 12 and the milling body 10.
  • Embodiment 3 as shown in FIG. 2, the high-frequency vibration longitudinal milling head of the present example can be applied to some special occasions, and the structure thereof is basically the same as that of Embodiment 1, except that the vibration box body used is installed on the milling head block 12.
  • the vibration box body adopts a single eccentric vibration box 15 integrated with a single eccentric wheel or an eccentric block, and a damping rubber 9 is arranged between the milling head seat 12 and the side wall of the milling machine body 10, and the milling head seat 12 is An air spring 8 is disposed between the tops of the milling body 10.
  • the vibration motor 6 drives the single eccentric vibration box 15, and the eccentric vibration force is circumferentially shaped during the rotary motion, thereby causing the milling head 2 to be circumferentially swayed, unlike the above-mentioned linear repeated vibration force, which can be realized.
  • the milling cutter 1 simultaneously cuts and impacts the material and should therefore also be within the scope of the invention.
  • the milling machine or the roadheader can utilize the high frequency vibration longitudinal milling head of the present invention.
  • the milling machine of the invention is an auxiliary machine used in combination with the excavator, and the structure thereof is: the high-frequency vibration longitudinal milling head of the example 1 is connected to one end of the excavating arm 23 through the connecting seat 7, and the digging arm 2 is a telescopic structure.
  • the other end of the boring boom 23 is hinged to the mounting base 27, and the mounting base 27 is fixed to the excavator.
  • the side and the lower side of the boring boom 23 are respectively provided with a telescopic cylinder 22 and a lifting cylinder 25, and a telescopic cylinder 22 and a lifting cylinder
  • One end of the lift cylinder 25 is hinged to the mounting base 27, and the other end is hinged to the tunneling arm 23.
  • the high-frequency vibration longitudinal milling head adopts the high-frequency vibration longitudinal milling head of Embodiment 2.
  • the high-frequency vibration longitudinal milling head of the present invention is connected to the boring boom 23 and then connected to the excavator, and the bucket position is replaced by the joint 7.
  • the hydraulic oil pipe is connected to the oil pipe of the driving device of the present invention. After the connection is completed, the body 10 can be placed in a position where the milling operation is required by operating the size arm of the excavator.
  • the milling head 2 After the rotational speed and the vibration frequency of the milling head 2 are adjusted to appropriate values, by controlling the tunneling arm 23, the milling head 2 is brought into contact with the object to be milled, and the milling cutter 1 applies a cutting force to the object while also applying The vibration impact force causes the material to be crushed instantaneously, and the crushed material is taken out by the rotary motion of the milling head 2, leaving the original position, and avoiding secondary wear and milling of the pick 1 .
  • the structure of the roadheader of the present invention is as shown in Fig. 4. It is based on the high frequency vibration milling machine to add a running mechanism 26, a roadheader chassis 21, a collecting mechanism 24, a conveying device 20 and the like.
  • the high-frequency vibration longitudinal milling head of the example 1 is connected to one end of the boring boom 23 through the connecting seat 7, the boring boom 2 is a telescopic structure, and the other end of the boring boom 23 is hinged to the mounting base 27, and the mounting base 27 is mounted.
  • a telescopic cylinder 22 and a lifting cylinder 25 are respectively mounted on the side and the lower side of the excavating boom 23, and one end of the telescopic cylinder 22 and the lifting cylinder 25 are hinged to the mounting base 27, and the other end is connected to the excavating boom 23 Hinged;
  • the mounting base 27 is mounted at one end of the boring machine chassis 21, and a side swaying mechanism 34 is mounted between the mounting base 27 and the boring machine chassis 21, and the mounting base 27 is controlled by the side swaying mechanism 34 to swing left and right, so that the boring is large
  • the arm 23 performs a lateral swing at a certain angle.
  • the other end of the boring machine chassis 21 is provided with a conveying device 20, and below the boring boom 23 is provided a collecting device 24 mounted on the boring machine chassis 21 and connected to the conveying device 20, and the bottom of the boring machine chassis 21 is mounted with walking Agency 26.
  • the high-frequency vibration longitudinal milling head adopts the high-frequency vibration longitudinal milling head of Embodiment 2.
  • the roadhead chassis 21 used in the present invention is the same as the conventional roadheader chassis.
  • the power source is driven by an engine or a motor-driven hydraulic pump in the chassis, and the jacking arm 23 can be moved up and down by the lift cylinder 25.
  • the milling body 10 is mounted on the front end of the boring boom 23, and the telescopic cylinder 22 is disposed on the boring boom 23, so that the milling body 10 can perform a certain telescopic movement.
  • the boring machine chassis 21 drives the traveling mechanism 26 to the working position, lifts the boring boom 23 to the required position by the telescopic cylinder 22, activates the cutting motor 4, and the cutting motor 4 drives the longitudinal milling head 2 to rotate through the gearbox 3. .
  • the vibration motor 6 is activated to vibrate the vibration case 5, and the vibration case 5 is repeatedly moved at a high speed by the milling wheel holder 12.
  • the telescopic cylinder 22 is operated to bring the milling head 2 into contact with the object to be milled, and the milling cutter 1 applies a cutting force to the object while also applying vibration.
  • the impact force causes the material to be crushed instantaneously, and the crushed material is taken out by the rotary motion of the milling bucket 2 and falls to the ground.
  • the collecting device 24 continuously collects the dropped material and feeds it to the lower portion of the chassis 21 of the roadheader to the conveying device 20 at the rear, and is discharged to the top of the transport vehicle by the conveying device 20. Thereby forming a continuous tunneling operation.
  • the cutting motor 4 in the roadheader of the present invention can also be replaced by a motor that drives the milling head through a gearbox.
  • the present invention is not limited to the eccentric vibration box of the above three structures, and may be a 6-eccentric wheel, an 8 eccentric wheel or an eccentric block, and a vibration box of various structures.
  • the invention can also adopt a vibration box body with an eccentric moment stepless adjustment mechanism, so that when the vibration frequency of the vibration box reaches a set value, the vibration force is externally outputted, thereby avoiding damage to the machine in the resonance frequency range of the machine itself.

Abstract

Cette invention concerne une tête fraiseuse longitudinale à vibration haute fréquence et une machine à fraiser et une foreuse comprenant la tête fraiseuse. Une base de tête fraiseuse (12) de la tête fraiseuse longitudinale à vibration haute fréquence mise en œuvre par la machine à fraiser ou la foreuse est montée à une extrémité d'un corps de machine à fraiser (10). Une base de connexion (7) est disposée à l'autre extrémité du corps de machine à fraiser (10). Un moteur de haveuse (4) et une boîte de vitesses (3) sont montés sur la base de tête fraiseuse (12). Des dents de fraise (1) sont disposées sur une tête fraiseuse longitudinale (2). Un arbre rotatif supérieur de la tête fraiseuse longitudinale (2) est monté sur la base de tête fraiseuse (12) et il est relié à une extrémité de sortie de la boîte de vitesses (3). Une extrémité d'entrée de la boîte de vitesses (3) est reliée au moteur de haveuse (4). Un boîtier de vibration (5) est monté au-dessus de la base tête fraiseuse (12). Le boîtier de vibration (5) délivre en sortie une force de vibration haute fréquence à la base de tête fraiseuse, ce qui permet à la tête fraiseuse longitudinale (2) de réaliser des vibrations répétées à grande vitesse tout en réalisant une auto-rotation. En intégrant la tête fraiseuse longitudinale et le boîtier de vibration, la tête fraiseuse longitudinale à vibration haute fréquence selon l'invention permet de mettre en œuvre une tête fraiseuse longitudinale capable d'émettre des vibrations répétées à haute fréquence tout en tournant, et permet aux dents de fraise sur la tête fraiseuse d'appliquer une force d'impact composite et de découper un matériau en contact, de sorte à broyer facilement la roche dure.
PCT/CN2015/000534 2015-06-17 2015-07-27 Tête fraiseuse longitudinale à vibration haute fréquence et machine à fraiser et foreuse comprenant la tête fraiseuse WO2016201590A1 (fr)

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CN201510336477.1A CN104912567B (zh) 2015-06-17 2015-06-17 高频振动纵向铣挖头及具有该铣挖头的铣挖机和掘进机
CN201510336477.1 2015-06-17

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CN107701101A (zh) * 2017-10-31 2018-02-16 长安大学 一种钻铣一体式掘挖头
CN109798118A (zh) * 2018-12-28 2019-05-24 长沙矿山研究院有限责任公司 一种适用于深海富钴结壳开采的采矿头
CN114855902A (zh) * 2022-05-19 2022-08-05 徐岩 一种履带行走式土石分离机
CN116180832A (zh) * 2023-04-19 2023-05-30 中铁城建集团第一工程有限公司 一种铣挖机铣削孔壁机头

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US3998493A (en) * 1974-06-26 1976-12-21 Paurat F Combined milling and impact apparatus for tunneling
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Publication number Priority date Publication date Assignee Title
CN107701101A (zh) * 2017-10-31 2018-02-16 长安大学 一种钻铣一体式掘挖头
CN109798118A (zh) * 2018-12-28 2019-05-24 长沙矿山研究院有限责任公司 一种适用于深海富钴结壳开采的采矿头
CN109798118B (zh) * 2018-12-28 2024-01-26 长沙矿山研究院有限责任公司 一种适用于深海富钴结壳开采的采矿头
CN114855902A (zh) * 2022-05-19 2022-08-05 徐岩 一种履带行走式土石分离机
CN114855902B (zh) * 2022-05-19 2023-12-15 徐岩 一种履带行走式土石分离机
CN116180832A (zh) * 2023-04-19 2023-05-30 中铁城建集团第一工程有限公司 一种铣挖机铣削孔壁机头

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