CN112227435A - Double-roller drilling-explosion-free rapid excavation integrated modular equipment - Google Patents
Double-roller drilling-explosion-free rapid excavation integrated modular equipment Download PDFInfo
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- CN112227435A CN112227435A CN202011005143.3A CN202011005143A CN112227435A CN 112227435 A CN112227435 A CN 112227435A CN 202011005143 A CN202011005143 A CN 202011005143A CN 112227435 A CN112227435 A CN 112227435A
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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
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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
- E02F3/183—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with digging unit shiftable relative to the frame
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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
- E02F3/188—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with the axis being horizontal and transverse to the direction of travel
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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
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
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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
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/241—Digging wheels; Digging elements of wheels; Drives for wheels digging wheels
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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
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/243—Digging wheels; Digging elements of wheels; Drives for wheels wheels rotatable in both directions
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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
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/246—Digging wheels; Digging elements of wheels; Drives for wheels drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a double-roller drilling-explosion-free rapid excavation integrated modular device.A plurality of pairs of tooth double-twisted cutting tooth roller tunneling machines are arranged on the existing back-hoe excavator; the multi-pair-tooth double-twisted gear-cutting-roller tunneling machine comprises two mechanical arms, two rolling gear rollers and two driving motors; one end of each mechanical arm is hinged with the tail end of the back-hoe excavator arm, the other end of each mechanical arm is correspondingly connected with a rolling tooth roller through a bearing, and a first hydraulic rod is connected between each mechanical arm and the corresponding machine arm; each rolling tooth roller is connected with a driving motor. The invention can realize the drilling and blasting-free, safe, efficient, energy-saving and environment-friendly excavation and tunneling construction of hard rock layer earthwork in the construction process, wherein the rolling tooth roller is made of nickel-chromium alloy and is subjected to quenching and tempering heat treatment to eliminate the thermal stress and increase the strength and hardness of metal. The rolling tooth roller is subjected to ion spraying treatment, and a layer of titanium metal is sprayed on the surface of the rolling tooth roller, so that the hardness and the corrosion resistance of the rolling tooth roller are improved, and the rolling tooth roller is suitable for working conditions under different conditions.
Description
Technical Field
The invention belongs to the technical field of excavation and tunneling of rock layers (or soil and rock mixed layers), and particularly relates to a double-rolling drilling-explosion-free rapid excavation integrated modular device.
Background
Natural resources are the indispensable material basis for human survival and development, and the shortage of energy and resources is a serious challenge for the economic development and national safety of China.
With the construction and development of our country society, the construction process is rapidly increased all over the country nowadays, the quantity of earth and stone needed to be tunneled and excavated is huge, the urban solid waste is increasing day by day, and many waste mines are in urgent need of treatment and recovery. The method realizes the drilling-explosion-free, safe, efficient, energy-saving and environment-friendly rapid construction of the hard stones (granite and the like) and the following earthwork in the construction process, and is a key for assisting the basic construction process of China on the premise of safety, high efficiency, energy saving and environment protection.
At present, China has become the biggest manufacturing base and application market of the development machine in the world. With the high-speed growth of construction works such as urban road traffic, railways, highways, water conservancy, municipal engineering and the like in China, the development of the tunneling machinery in China is also rapid. The heading machine industry in China has become a key supporting and developing industry of the domestic high-end equipment manufacturing industry and the strategic emerging industry.
The tunneling equipment is divided into drilling blasting tunneling equipment and comprehensive mechanical tunneling equipment according to a tunneling process, and the drilling blasting tunneling equipment is widely adopted in China. Drilling and blasting method tunnelling equipment includes: drilling (chiseling) machines, loading machines, transshipping machines, roadway support machines, and roadway restitution machines. The integrated mechanized excavation equipment comprises: cantilever type development machine, continuous miner, combined tunneling and anchoring unit and full-face development machine. Compared with the drilling blasting method, the comprehensive mechanical tunneling equipment has the advantages of safety, rapidness and high efficiency, and is the development direction of tunneling mechanization.
The drilling machine used in the drilling and blasting method is mainly a rock drill, which works by using the principle of impacting and breaking rock. When working, the rock drill needs to complete two basic actions, namely, drilling and rotating. The piston continuously impacts the drill rod tail, and a blast hole with a certain depth can be formed on the rock. Furthermore, to ensure that the drill rod continues to drill efficiently, it is necessary to apply a suitable axial thrust to the rock drill and to discharge the cuttings from the borehole in a timely manner. The types of rock drills are many, and the rock drills can be divided into pneumatic rock drills, hydraulic rock drills, electric rock drills and internal combustion rock drills according to different power.
The comprehensive mechanized tunneling equipment mainly comprises a tunneling machine. The development machine is a combined machine set which can simultaneously break and fall rock stratum, load and transfer, transport, spray dust removal and transfer walking. The method has the advantages of high tunneling speed, stable tunneling roadway, reduction of rock caving and gas outburst, reduction of the overexcavation amount of the roadway and the filling amount of support operation, improvement of labor conditions, reduction of labor intensity and the like. Therefore, the development machine plays an increasingly large role in being matched with a fully mechanized mining face for use.
With the construction and development of China society, the volume of earth and rock required to be tunneled and excavated is huge, the urban solid waste is increasing day by day, and a plurality of waste mines are in urgent need of treatment and recovery. The method realizes the drilling-explosion-free, safe, efficient, energy-saving and environment-friendly rapid construction of hard stones (granite and the like) and the following earthwork in the construction process, and is a key for assisting the basic construction process of China on the premise of safety, high efficiency, energy saving and environment protection.
Disclosure of Invention
The invention mainly aims to provide a double-rolling drilling-explosion-free rapid excavation integrated modular device, which realizes drilling-explosion-free, safe, efficient, energy-saving and environment-friendly excavation and tunneling construction on hard rock layer earthwork in a construction process.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a double-roller drilling-explosion-free rapid excavation integrated modular device is characterized in that a tunneling machine with a plurality of pairs of tooth double-twisted cutting tooth rollers is mounted at the tail end of an arm of an existing back-hoe.
The multi-pair-tooth double-twisted gear-cutting-roller tunneling machine comprises two mechanical arms, two rolling gear rollers and two driving motors; one end of each mechanical arm is hinged with the tail end of the machine arm of the backhoe excavator, the other end of each mechanical arm is correspondingly connected with a rolling tooth roller through a bearing, and a first hydraulic rod is connected between each mechanical arm and the machine arm; each rolling tooth roller is connected with a driving motor.
The rolling tooth roller body is made of nickel-chromium alloy, quenching and tempering heat treatment is carried out, and a layer of titanium metal is sprayed on the surface of the rolling tooth roller.
And the teeth end of the rolling tooth roller is welded with the occluding teeth made of high-strength hard special wear-resistant steel.
And a hood is arranged above the multiple-pair-tooth double-twisted cutting-tooth roller tunneling machine and is installed on the mechanical arm.
The invention has the beneficial effects that:
(1) the equipment has short manufacturing and production period. Each set of the tunneling machine with the multiple pairs of tooth double-twisted gear-cutting rollers only needs one month from manufacturing and production to debugging, and the time for reconstructing, installing and debugging the back-hoe excavator also only needs two months. And the time is less if the mass production is carried out.
(2) The equipment is suitable for various complex working conditions, particularly for the construction operation of hard rock stratums, and is particularly suitable for the earth and stone excavation and tunneling operation of rock stratums (quartz rocks, granites and the like and below) with the Mohs hardness of about 7.5. The equipment is applied to the construction such as mine excavation, stone crushing and processing, waste and old mine remediation, boulder or loose slope treatment, urban solid waste field processing and the like under the conditions of drilling explosion prevention, safety, high efficiency, energy conservation and environmental protection, and has the advantage of quick excavation of hard rocks compared with the traditional back shovel in the aspects of agricultural stalagmite land reclamation and remediation. The equipment has the advantages that when rock layers (quartz stone rock, granite and the like and below rock layers) with Mohs hardness of about 7.5 and below are used for carrying out earth and stone excavation tunneling operation, the loosening and crushing capacity of hard stones (quartz stone rock, granite and the like) can reach 330% -380% of the efficiency of a back-hoe at the same level, the harder the stones are during the earth and stone excavation tunneling operation, the higher the efficiency ratio is, and the safety and the high efficiency are really realized.
(3) The equipment is convenient to move, flexible to enter and exit, simple to operate and simpler for training operators and maintenance personnel.
(4) The equipment can realize construction with low cost, low energy consumption and low emission, eliminate the influence of conventional blasting construction on the surrounding environment and eliminate unsafe factors of conventional blasting.
(5) The quick-wear part of the equipment has a long replacement period, can be continuously used for 8-9 months every time of replacement, can realize planned maintenance and replacement of the quick-wear part, has small workload and short time for replacing the quick-wear part, and can complete replacement of all parts in 3-4 working hours.
(6) The construction noise is low, and the noise of the multi-pair tooth double-twisted cutting-roller tunneling machine in the equipment is less than or equal to 70 dB; the whole operation noise of the equipment is less than or equal to 90 dB.
(7) The particle size of the excavated earth and stone can be adjusted within a certain range according to the requirement, but the maximum particle size is not more than 200 mm.
Drawings
Fig. 1 is a schematic structural diagram of the double-roll drilling-explosion-free rapid excavation integrated modular device.
Fig. 2 is a schematic view of a meshing tooth structure of the rolling-tooth roller in fig. 1.
In the figure, 1: backhoe excavator, 2: horn, 3: mechanical arm, 4: engaging teeth, 5: bearing, 6: first hydraulic lever, 7: hood, 8: second hydraulic rod, 9: permanent magnet synchronous drive motor, 10: and rolling the toothed roller.
Detailed Description
The invention is further illustrated by the following figures and examples, which should not be construed as limiting the scope of the invention as claimed.
Example 1
A double-roller drilling-explosion-free rapid excavation integrated modular device is characterized in that a plurality of pairs of tooth double-twisted cutting tooth roller tunneling machines are installed on an original backhoe excavator 1. The backhoe adopts a 240-type backhoe, the 240-type backhoe selects a worker JGM924 excavator, the working mass of the whole excavator is 22750kg, the rated power is 128.5kw, and the bucket uses a backhoe. The rated working pressure of the hydraulic transmission device is 2.5 MPa-10 MPa, the diameter of the main distributing valve is 80 mm-250 mm, and the maximum stroke is 15 mm.
The multiple-pair-tooth double-twisted cutting-tooth-roller heading machine comprises: the device comprises two mechanical arms 3, two rolling tooth rollers 10, two first hydraulic rods 6 and two permanent magnet synchronous driving motors 9. One ends of the two mechanical arms 3 are hinged to the tail end of the arm 2 of the backhoe excavator 1, and the other ends of the two mechanical arms are correspondingly connected with the two rolling tooth rollers 10 through sliding bearings 5; one ends of the two first hydraulic rods 6 are respectively connected to the machine arm 2, the other ends of the two first hydraulic rods are connected with the two mechanical arms 3 in a one-to-one correspondence mode, and a second hydraulic rod 8 is respectively connected between each mechanical arm 3 and the corresponding rolling tooth roller 10. The two permanent magnet synchronous driving motors 9 are connected with the two rolling tooth rollers 10 in a one-to-one correspondence mode. The teeth end of the rolling tooth roller 10 is welded with the occluding teeth 4 made of high-strength hard special wear-resistant steel. The rolling tooth roller 10 body is made of nickel-chromium alloy, and is subjected to quenching and tempering heat treatment to eliminate thermal stress and increase the strength and hardness of metal. The roll gear 10 is processed by ion spraying, and a layer of titanium metal is sprayed on the surface of the roll gear to increase the hardness and the corrosion resistance of the roll gear, so that the roll gear is suitable for working conditions under different conditions.
Because the permanent magnet synchronous driving motor 9 is directly connected with the rolling tooth roller 10, the effective output of the permanent magnet synchronous driving motor is close to 100 percent before the anti-lock rolling gear does not act, and the conversion loss is very small. The two rolling tooth rollers 10 rotate relatively under the driving force of the two permanent magnet synchronous driving motors 9 respectively to form strong occluding force and twisting force, the attack angle on the tooth surface of the occluding tooth 4 is optimal at 11-13 degrees, and the stone is torn and twisted and crushed at the moment of contact with the hard stone to be excavated. The size of the particle size of the torn earth and stone square particles is controlled by replacing the rolling tooth rollers 10 with different specifications according to requirements. The particle size of the earth and stone square particles can be adjusted within a certain range according to needs, but the maximum particle size is generally not more than 200mm, and the particle size of the earth and stone square particles is in direct proportion to the working efficiency under certain conditions.
The power for moving the multi-pair-tooth double-twisted-tooth roller type excavator, the reaction force (namely the pressure of a machine member on a rock stratum and the biting force of a twisted tooth on a rock) required by work, the adjustment of the position angle of the multi-pair-tooth double-twisted-tooth roller type excavator during work and the like is provided by the 240 back-hoe.
In order to prevent stones splashed out due to tearing of rock masses in the operation of the multi-pair-tooth double-twisted-tooth-cutting-roller tunneling machine from damaging field construction personnel and equipment, a dustproof and splash-proof hood 7 is arranged above the multi-pair-tooth double-twisted-tooth-cutting-roller tunneling machine, and the hood 7 is connected to the mechanical arm 3. In the working process, if the hood 7 is damaged and needs to be repaired in time, the construction operation cannot be carried out when the hood 7 is damaged, so that safety accidents are prevented.
The driving power supply of the multi-pair-tooth-twisted double-cutting-roller tunneling machine should use an external power supply as much as possible. When the conditions are not allowed, the self power can be used and the hydraulic motor is used for driving, and experiments show that when the self power is used and the hydraulic motor is used for driving, the power output of the hydraulic motor is only 2 multiplied by 16KW, so the working efficiency of the tunneling machine with the multiple pairs of double-twisted tooth cutting rollers is reduced more. The power of a driving motor of the 800-type multi-pair-tooth double-twisted tooth cutting roller tunneling machine is 2 multiplied by 80 KW.
Through tests, the double-rolling drilling-explosion-free rapid excavation integrated modular device is suitable for performing earth and stone excavation and tunneling operations on rock stratums (quartz rocks, granites and the like and below) with the Mohs hardness of more than 3.5 and 7.5, and the loosening and crushing capacity of hard stones (quartz rocks, granites and the like) can reach 330% -380% of the efficiency of a back-hoe at the same level when the earth and stone excavation and tunneling operations are performed on the rock stratums (quartz rocks, granites and the like and below) with the Mohs hardness of 7.5 and below. The construction noise is low, and the noise of the multi-pair-tooth double-twisted cutting-tooth roller tunneling machine is less than 70 dB; the noise of the whole equipment is less than 90 dB. The drilling explosion-free, safe, efficient, energy-saving and environment-friendly construction is realized; the method is suitable for mine excavation, stone crushing and processing, waste and old mine remediation, boulder or loose side slope treatment, urban solid waste field processing and other construction and agricultural stalagmite land reclamation remediation.
Example 2
The double-roller drilling-explosion-free rapid excavation integrated modular device can also be used as one of important rough crushing machines of a machine-made sand process.
The waste concrete blocks and the waste brick blocks in a certain construction site are treated, and the waste building materials are about 150m3。
(1) The device is transferred to a construction site for assembly by using the characteristic of flexible field transfer of equipment, and a roller sand making machine is used for subsequent treatment, wherein the treatment capacity is 40t/h, and the occupied area of the assembled device is about 50 square meters.
(2) Selecting 3 four-stage motors with rated power of 100kw, installing the power of 300kw, and completing the connection of the whole circuit by using a three-core cable.
(3) The waste materials of a construction site are subjected to preliminary crushing by using the double-roller drilling-explosion-free rapid excavation integrated modular device disclosed by the embodiment 1, the diameter of the waste materials is less than 200mm during feeding, then the waste materials enter a material collecting hopper to be crushed and washed by water, and the waste materials are conveyed to a roller sand making machine by a belt conveyor after being crushed by high-hardness interlocking teeth and less than 80 mm.
(4) Carrying out fine crushing in a roller sand making machine, obtaining machine-made sand with different particle sizes according to different product requirements, enabling the obtained primary product to enter a magnetic separator for magnetic separation, separating out mineral impurities, enabling the final product to enter a fine sand bin, and enabling the impurities to enter an impurity bin.
(5) The roller crusher is covered by a sound-proof cover to ensure that the noise is less than 80 decibels during operation, the treatment capacity is about 40t/h, the waste material of the construction site can be treated for about 3 working days, and about 750 tons of machine-made sand products can be obtained.
Example 3
Treating the tailings in a certain place with the treatment capacity of about 600m3。
(1) The device is transferred to a construction site for assembly by using the characteristic of flexible field transfer of equipment, and because the processing capacity is large, two sets of equipment are used, and a roller sand making machine is used for subsequent processing, so that the square meter with the floor area of about 100 square meters is completely assembled.
(2) 6 four-stage motors with rated power of 100kw are selected, the installed power is 600kw, and a three-core cable is used for completing the connection of the whole circuit.
(3) The waste materials of a construction site are subjected to preliminary crushing by using the double-roller drilling-explosion-free rapid excavation integrated modular device disclosed by the embodiment 1, the diameter of the waste materials is less than 200mm during feeding, then the waste materials enter a material collecting hopper to be crushed and washed by water, and the waste materials are conveyed to a roller sand making machine by a belt conveyor after being crushed by high-hardness interlocking teeth and less than 70 mm.
(4) Carrying out fine crushing in a roller sand making machine, obtaining machine-made sand with different particle sizes according to different product requirements, enabling the obtained primary product to enter a magnetic separator for magnetic separation, separating out mineral impurities, enabling the final product to enter a fine sand bin, and enabling the impurities to enter an impurity bin.
(5) The roller crusher is covered by a sound-proof cover to ensure that the noise is less than 80 decibels during operation, the treatment capacity is about 45t/h, the waste material of the construction site can be treated for about 10 working days, and about 3000 tons of machine-made sand products can be obtained.
Claims (5)
1. The utility model provides a two roll exempt from to bore to explode integrated modular equipment that excavates fast which characterized in that: a plurality of pairs of tooth double-twisted cutting tooth roller tunneling machines are arranged at the tail end of a machine arm of the existing back-hoe excavator.
2. The double-roll drilling-explosion-free rapid excavation integrated modular device of claim 1, wherein: the multi-pair-tooth double-twisted gear-cutting-roller tunneling machine comprises two mechanical arms, two rolling gear rollers and two driving motors; one end of each mechanical arm is hinged with the tail end of the machine arm of the backhoe excavator, the other end of each mechanical arm is correspondingly connected with a rolling tooth roller through a bearing, and a first hydraulic rod is connected between each mechanical arm and the machine arm; each rolling tooth roller is connected with a driving motor.
3. The double-roll drilling-explosion-free rapid excavation integrated modular device of claim 2, wherein: the rolling tooth roller body is made of nickel-chromium alloy, quenching and tempering heat treatment is carried out, and a layer of titanium metal is sprayed on the surface of the rolling tooth roller.
4. The double-roll drilling-explosion-free rapid excavation integrated modular device of claim 2, wherein: and the teeth end of the rolling tooth roller is welded with the occluding teeth made of high-strength hard special wear-resistant steel.
5. The double-roll drilling-explosion-free rapid excavation integrated modular device of claim 2, wherein: and a hood is arranged above the multiple-pair-tooth double-twisted cutting-tooth roller tunneling machine and is installed on the mechanical arm.
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| CN202011005143.3A CN112227435A (en) | 2020-09-23 | 2020-09-23 | Double-roller drilling-explosion-free rapid excavation integrated modular equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494103A (en) * | 2021-05-20 | 2021-10-12 | 深圳创达通讯科技有限公司 | Multifunctional unmanned operation excavating equipment and method based on visual identification technology |
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| CN206046122U (en) * | 2016-08-30 | 2017-03-29 | 浙江力普粉碎设备有限公司 | A kind of pair roller type boulder crusher |
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