CN201068797Y - Hard rock tunneller - Google Patents
Hard rock tunneller Download PDFInfo
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- CN201068797Y CN201068797Y CNU2007200134143U CN200720013414U CN201068797Y CN 201068797 Y CN201068797 Y CN 201068797Y CN U2007200134143 U CNU2007200134143 U CN U2007200134143U CN 200720013414 U CN200720013414 U CN 200720013414U CN 201068797 Y CN201068797 Y CN 201068797Y
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- cutting
- hard rock
- machine
- rock mole
- cutterhead
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Abstract
The utility model relates to a coal mine tunnelling machine, in particular to a high-duty hard rock mole used for cutting the high-hardness hemi-rock and whole-rock tunnel. Solving the problem that the prior development machine is not suitable for the drivage of the whole-rock tunnel, the coal mine tunnelling machine can greatly enhance drivage work efficiency in the whole-rock tunnel and greatly reduce the labor intensity for an operator. The novel coal mine tunnelling machine has high intensity in the whole structure, the weight of the whole machine is heavy, a horizontal lateral strut is assembled on the rear part of the machine at the same time, and the working stability is high. The machine is assembled with a strong dust-removal system and an inside and outside spray dust suppression system, thereby effectively improving the working environment of the operator. A travel unit of the novel coal mine tunnelling machine adopts a totally enclosed structure, thereby increasing the travel driving force and increasing the thrust force when cutting. Matching with a reliable and efficient hydraulic system, the novel coal mine tunnelling machine which is assembled with a cutting head with a minor diameter and a big inertia adopts high-intensity pick teeth, thus the cutting force of a single tooth is greatly enhanced, thereby having the ability of cutting the high-hardness (f8) hemi-rock and whole-rock tunnel.
Description
Technical field
The utility model relates to the coal mine roadway road heading machinery, is specially a kind of hard rock mole, realizes the excavation operation in big section high rigidity (f8) total rock or half rock gangway road.
Background technology
At present, big section (20M
2More than) total rock and half rock gangway road driving adopts big gun pick operation, is an arduous and dangerous job, adopts big gun pick work production efficient lower, operator's labour intensity is big, after the big gun pick operation strata structure intensity around the tunnel has been caused certain destruction.And existing heading equipment mainly is to be applicable to medium-hard coal petrography and alternate heading, is not suitable for the operation of total rock tunnel; The internal spraying system that adopts is shorter application life, damages the back and changes difficulty; The driving face dust can not get effective control simultaneously, and the serious harm operator's is healthy.Therefore, be starved of that a kind of cutting power is big, the hard rock mole of cut efficient height, working stability,, reduce operator's labour intensity, improve labourer's working environment to improve the operating efficiency of excavation operation.
The utility model content
The purpose of this utility model is to provide a kind of heavy hard rock mole, solves existing development machine and is not suitable for big section (20M
2More than) high rigidity (f8) total rock and half rock gangway road driving, machine vibration is big during the cut hard rock, dust is many, problems such as machine lateral sliding, this development machine can increase substantially the headwork efficient in total rock tunnel, greatly reduce operator's working strength, improve operator's working environment, improve reliability.
The technical solution of the utility model is:
The hard rock mole that the utility model provides has cutting units, shovel board portion, first transporter, body, running part, back supporting, hydraulic system and electrical system, dust pelletizing system and inside and outside spraying firing dust system.Development machine complete machine weight is big, and cut power is big, and complete machine stability is good, is equipped with powerful dust pelletizing system and inside and outside spraying firing dust system at random, is applicable to the excavation operation in big section high rigidity total rock and half rock gangway road.
The utility model adopts powerful cutting technique, it comprises the cooperation of large single tooth cutting force and big propulsive force, the clipping force of pick tooth by cutting motor drive the cut reductor again transmission provide to cutterhead, average monodentate clipping force can reach 8500N during cut, the propulsive force of cutterhead is provided by cut hoist cylinder, cut angling cylinder and travel driving unit, and can be cutterhead provides propulsive force to reach 150KN; Cutting units adopts the big inertia cutterhead of minor diameter, and the diameter of the taper cutting head scope is 1.0-1.1m, and the dynamic moment of inertia scope is 230-210kg.m
2, the non-heated type welding stress of pick toothholder is removed, and surpasses and deeply feels the wear-resisting pick tooth of hard denticle, and pick tooth surface hardness reaches 62HRC, degree of depth 2-3mm.
Running part of the present utility model adopts the backplate full-closed structure, is furnished with powerful travel driving unit.The drive unit of the utility model running part is made of walking hydraulic motor, drive sprocket, driving speed reducer, walking hydraulic motor and driving speed reducer are linked together, two flange on the driving speed reducer, one is linked together with walker, and one is linked together with drive sprocket.The running part drive unit provides big driving force, can reach 490kN.
Cutterhead of the present utility model and cutting arm link position are positioned at the cutterhead rear portion.
The utility model body rear side is installed the back supporting, is equipped with the horizontal side bracing or strutting arrangement in the supporting of back, and the side bracing or strutting arrangement is in supporting both sides, back, and the side bracing or strutting arrangement is driven by hydraulic cylinder, can stretch out and regains to the development machine both sides.
The utility model is equipped with highly reliable external internal spraying system at the cutterhead rear portion; Anterior and cutting motor casing front end both sides are equipped with the mist toe-in and are closed the external spraying system at the cut reductor, spray outside the cut reductor front portion and spray outward for annular high and low pressure, spray outside the motor case body front end both sides and spray outward for piece shape.Described external spraying system comprises the outer sprinkling seat of annular, low-pressure nozzle, high pressure nozzle, piece shape sprinkling seat, nozzle outward, the cutting arm of outer sprinkling seat of annular and cutting units is linked together, low-pressure nozzle and high pressure nozzle are contained on the outer sprinkling seat of annular, the cutting motor casing of outer sprinkling seat of piece shape and cutting units is linked together, and nozzle is contained on the outer sprinkling seat of piece shape.
The utility model development machine is equipped with the long short odd test high-efficiency dust removal system of pressing at random, dust control device is suspended on the fore side of equipment, utilize the ventilation system in tunnel, make wind pass through to form air curtain behind the dust control device, by deduster (air duct is installed on the development machine) on the elevating conveyor that is installed in development machine dust is drawn onto deduster again.
The utility model adopts damping technology, it comprises cut acceleration recognition device and the high low speed automatic transfer equipment of cut, electrical system has vibrating sensor, current sensor and core controller etc., on the cut reductor vibrating sensor is installed, the vibration situation in the time of can be to the development machine operation detects; Current sensor in the electrical system can detect the consumed power of tunneling machine cutting motor, and each sensor is sent detected signal into core controller respectively.Core controller is according to the detected value of cut acceleration and the detected value of current sensor, by core controller data are handled, determine the hardness of the present cut material of development machine, when hardness number surpasses pre-set value, cutting motor has the High-Speed Automatic low speed that is transformed into, thereby control the speed of cutting motor automatically according to the hardness of institute's cut material, realize the high low speed conversion of cut.
Adopt the peak damping technology that disappears in the utility model hydraulic system, on lifting in hydraulic system and the revolution banked direction control valves secondary overflow valve is housed, the secondary overflow valve can realize that vibration damping cuts the effect of ripple.
The utility model adopts the fastener locking technology, between the panoramic table of cutting motor and motor case body, cut reductor and motor case body, cutting arm and cut reductor, cutterhead and cutting arm, running part and body, back supporting and body, development machine and floating bearing and body be connected to adopt to execute finished jail (spiralock is called for short SPL) checknut connection.
The beneficial effects of the utility model are:
1, the utility model is the new architecture of cantilever development machine, this development machine overall construction intensity height, machine is great, cut power is big, and the driving power of each actuating mechanism is big, is suitable for the excavation operation in big section high rigidity total rock and half rock gangway road, expanded the scope of application of development machine, improve the operating efficiency of the driving in total rock and half rock gangway road, greatly reduced operator's working strength, improved operator's working environment.
2, the running part of the utility model hard rock mole adopts the backplate full-closed structure, has reduced fault rate; The powerful travel driving unit that is equipped with has strengthened the walking driving force, for cut provides powerful propulsive force.
3, be equipped with the side bracing or strutting arrangement in the back supporting at the utility model hard rock mole rear portion, the side bracing or strutting arrangement has solved lateral sliding and the vibration problem when development machine is worked, and has improved the stability of development machine, equipment job stability height.
4. a large amount of dust that produced when the utility model hard rock mole is equipped with powerful dust pelletizing system and spraying system to reduce excavation operation have greatly effectively improved operator's working environment, have protected that the operator's is healthy.
5. the vibration damping and the fastener locking technology of the employing of the utility model hard rock mole make development machine work more reliable, have reduced the machine maintenance time, have improved operating efficiency.
6, the big inertia cutterhead of this novel development machine assembling minor diameter adopts high strength pick tooth to cooperate reliably hydraulic system efficiently, has improved the monodentate cutting force greatly, thereby has made it possess the ability of cut high rigidity (f8) total rock or half rock gangway.
Description of drawings
Fig. 1 is the utility model hard rock mole structure chart.
Fig. 2 is the utility model hard rock mole side-looking structure chart.
Fig. 3 is the utility model hard rock mole dust pelletizing system structure chart.
Fig. 4 is the utility model hard rock mole cutterhead structure chart.
Fig. 5 a-b is the utility model hard rock mole running part driving device structure figure, and Fig. 5 a is a front view; Fig. 5 b is the vertical view of Fig. 5 a.
Fig. 6 is the utility model hard rock mole external spraying system construction drawing.
Fig. 7 is the utility model hard rock mole electrical system schematic diagram.
Fig. 8 is the utility model hard rock mole hydraulic system principle figure.
Among the figure, 1 cutting units; 2 shovel board portions; 3 first transporters; 4 bodies; 5 running parts; 6 back supportings; 7 hydraulic systems; 8 electrical systems; 9 side bracing or strutting arrangements; 10 backplates; 11 walkers; 12 creeper treads; 13 drive units; 14 thrust wheels; 15 cutting arms; 16 external internal spraying systems; 17 cutterheads; 18 cutting motor casings; 19 external spraying systems; 20 cut reductors; 21 dedusting air ducts; 22 dust arresters; 23 dust control devices; 24 pick toothholders; 25 pick teeth; 26 the body of the cutting head; 27 hydraulic motors; 28 drive sprockets; 29 driving speed reducers; The outer sprinkling seat of 30 annulars; 31 low-pressure nozzles; 32 high pressure nozzles; 33 outer sprinkling seats of shape; 34 nozzles; 35 panoramic tables; Secondary overflow valve on the 36 revolution banked direction control valves; Secondary overflow valve on the 37 lifting banked direction control valves; The SZ vibrating sensor; TA11, TA12, TA13 current sensor; The U1 core controller.
The specific embodiment
As depicted in figs. 1 and 2, the utility model is a hard rock mole, cutting units 1 is installed in the upper end before the body 4, downside is installed shovel board portion 2 before the body 4, first transporter 3 is installed in the middle of the body 4,4 liang of side lower parts of body are installed running part 5, running part 5 comprises backplate 10, walker 11, creeper tread 12, drive unit 13, thrust wheel 14 etc., running part 5 adopts and prevents that rock, coal from entering backplate 10 full-closed structures of creeper tread 12 inboards, and backplate 10 is installed in the both sides and drive unit 13 both sides of walker 11 bottom thrust wheels 14 respectively; The operating desk of hydraulic system 7 is installed on body 4 right sides, the fuel tank of hydraulic system 7 is installed in body 4 left sides, body 4 rear sides are installed back supporting 6, the both sides installation side bracing or strutting arrangement 9 of back supporting 6, the upper right quarter of back supporting 6 is installed the electric control box of electrical system 8, the upper left quarter of back supporting 6 is installed the pumping plant of hydraulic system 7, and external internal spraying system 16 is assemblied between cutterhead 17 and the cutting arm 15, and external spraying system 19 is installed in cut reductor 20 anterior and cutting motor casing 18 front end both sides.The cutterhead 17 and cutting arm 15 link positions of cutting units are positioned at cutterhead 17 rear portions.
The utility model adopts powerful cutting technique, it comprises the cooperation of large single tooth cutting force and big propulsive force, the clipping force of pick tooth by cutting motor drive the cut reductor again transmission provide to cutterhead, average monodentate clipping force can reach 8500N during cut, the propulsive force of cutterhead is provided by cut hoist cylinder, cut angling cylinder and travel driving unit, and can be cutterhead provides propulsive force to reach 150KN; Cutting units adopts the big inertia cutterhead of minor diameter, and the diameter of the taper cutting head scope is 1.0-1.1m, and the dynamic moment of inertia scope is 230-210kg.m
2, the non-heated type welding stress of pick toothholder is removed, and surpasses and deeply feels the wear-resisting pick tooth of hard denticle, and pick tooth surface hardness reaches 62HRC, degree of depth 2-3mm.
As shown in Figure 3, be equipped with the long short odd test high-efficiency dust removal system of pressing at random, the dust control device 23 and the dust arrester 22 that are connected are positioned at the development machine rear portion; Dedusting air duct 21 is drawn from dust arrester 22, extends to the development machine front portion always.Dust control device is suspended on the fore side of equipment, utilizes the ventilation system in tunnel, makes wind pass through to form air curtain behind the dust control device, by deduster (air duct is installed on the development machine) on the elevating conveyor that is installed in development machine dust is drawn onto deduster again.
As shown in Figure 4, cutterhead 17 comprises pick toothholder 24, pick tooth 25, the body of the cutting head 26 etc., and pick toothholder 24 is welded on the body of the cutting head 26, and pick tooth 25 is assemblied on the pick toothholder 24.
Shown in Fig. 5 a-Fig. 5 b, walking hydraulic motor 27 is linked together with driving speed reducer 29, two flange on the driving speed reducer 29, and one is linked together with walker 11, and one is linked together with drive sprocket 28.
As shown in Figure 6, the outer sprinkling seat 30 of annular is linked together with cutting arm 15, and low-pressure nozzle 31 and high pressure nozzle 32 are contained on the outer sprinkling seat 30 of annular, and the outer sprinkling seat 33 of piece shape is linked together with cutting motor casing 18, and nozzle 34 is contained on the outer sprinkling seat 33 of piece shape.Wherein, the water spray pressure of low-pressure nozzle 31 and nozzle 34 is 2.5MPa, and the water spray pressure of high pressure nozzle 32 is 15MPa.
The course of work of the present utility model is as follows:
(1) hard rock mole is advanced and is gone to correct position by electrical system 8, hydraulic system 7 control running parts 5.
(2) hard rock mole shovel board portion 2, back supporting 6 fall, and side bracing or strutting arrangement 9 stretches out, and it is ready for excavation operation to start dust arrester 22.
(3) cutterhead of the scraper chain of the star-wheel of hard rock mole shovel board portion 2, first transporter 3, cutting units 1 begins headwork.
As shown in Figure 7, electrical system has vibrating sensor SZ, current sensor TA11-TA13, and core controller U1 etc., and current sensor TA11-TA13 mainly detects the electric current of electric motor loop; Vibrating sensor SZ is mainly used in vibration and the cut acceleration when detecting body cut rock; The course of work: each sensor is sent detected signal into core controller U1 respectively, core controller U1 determines the hardness of the present cut material of development machine according to the detected value of the detected value of cut acceleration and current sensor, by core controller data are handled.Development machine carries out cut when work, each phase current values of current sensor senses cutting motor, this moment the cutting motor high-speed cruising, when certain time detects each phase current values I
Detect=1.1*I
Specified(I
DetectFor detecting electric current, I
SpecifiedBe rated current), and vibrating sensor is when detecting vibration values and accekeration and reaching certain value, and the cut motor is automatically converted to low cruise.Thereby, control the speed of cutting motor automatically according to the hardness of institute's cut material, can change the rotating speed of cutterhead automatically.Among Fig. 7, KM1-KM2 is an AC vacuum contactor; M1 is two voltage winding motors.
As shown in Figure 8, secondary overflow valve 36 on the revolution banked direction control valves in hydraulic system and the secondary overflow valve 37 on the lifting banked direction control valves can realize that vibration damping cuts the effect of ripple.
In addition, the utility model adopts the fastener locking technology, cutting motor and the cutting motor casing 18 of cutting units, cut reductor 20 and cutting motor casing 18, cutting arm 15 and cut reductor 20, cutterhead 17 and cutting arm 15, running part 5 and body 4, after support 6 with the panoramic table 35 of body 4, development machine and floating bearing and body 4 between the employing that is connected execute complete jail and be threaded.
Claims (10)
1. hard rock mole, have cutting units, shovel board portion, first transporter, body, running part, hydraulic system, electrical system, dust pelletizing system and dust suppression system, it is characterized in that: the cutterhead of cutting units adopts the big inertia cutterhead of minor diameter, diameter range is 1.0-1.1m, and the dynamic moment of inertia scope is 230-210kg.m
2Be equipped with to surpass on the pick toothholder of cutting units and deeply feel the wear-resisting pick tooth of hard denticle, pick tooth surface hardness reaches 62HRC, degree of depth 2-3mm.
2. according to the described hard rock mole of claim 1, it is characterized in that: external internal spraying system is equipped with at the cutterhead rear portion at cutting units; Anterior and cutting motor casing front end both sides are equipped with the mist toe-in and are closed the external spraying system at the cut reductor.
3. according to the described hard rock mole of claim 2, it is characterized in that: the external spraying system comprises the outer sprinkling seat of annular, low-pressure nozzle, high pressure nozzle, the outer sprinkling seat of piece shape, nozzle, the cutting arm of outer sprinkling seat of annular and cutting units is linked together, low-pressure nozzle and high pressure nozzle are contained on the outer sprinkling seat of annular, the cutting motor casing of outer sprinkling seat of piece shape and cutting units is linked together, and nozzle is contained on the outer sprinkling seat of piece shape.
4. according to the described hard rock mole of claim 1, it is characterized in that: the cutterhead of cutting units and cutting arm link position are positioned at the cutterhead rear portion.
5. according to the described hard rock mole of claim 1, it is characterized in that: the body rear side is installed the back supporting, is equipped with the horizontal side bracing or strutting arrangement in the supporting of back, and the side bracing or strutting arrangement is driven by hydraulic cylinder.
6. according to the described hard rock mole of claim 1, it is characterized in that: dust pelletizing system is the long weak point odd test dust pelletizing system of pressing, and dust control device that is connected and dust arrester are positioned at the development machine rear portion, and the dedusting air duct extends to the development machine middle part from dust control device always.
7. according to the described hard rock mole of claim 1, it is characterized in that: electrical system has vibrating sensor, current sensor and core controller, and vibrating sensor, current sensor are connected with core controller respectively.
8. according to the described hard rock mole of claim 1, it is characterized in that: on lifting in the hydraulic system and the revolution banked direction control valves secondary overflow valve is housed.
9. according to the described hard rock mole of claim 1, it is characterized in that: the checknut connection is adopted in being connected between the motor of cutting units and motor case body, cut reductor and motor case body, cutting arm and cut reductor, cutterhead and cutting arm, running part and body, back supporting and body, development machine panoramic table and floating bearing and the body.
10. according to the described hard rock mole of claim 1, it is characterized in that: running part adopts the backplate full-closed structure, is furnished with the travel driving unit that constitutes by walking hydraulic motor, drive sprocket, driving speed reducer, walking hydraulic motor and driving speed reducer are linked together, two flange on the driving speed reducer, one is linked together with walker, and one is linked together with drive sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200134143U CN201068797Y (en) | 2007-07-20 | 2007-07-20 | Hard rock tunneller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200134143U CN201068797Y (en) | 2007-07-20 | 2007-07-20 | Hard rock tunneller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201068797Y true CN201068797Y (en) | 2008-06-04 |
Family
ID=39490177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200134143U Expired - Lifetime CN201068797Y (en) | 2007-07-20 | 2007-07-20 | Hard rock tunneller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201068797Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915096A (en) * | 2010-08-20 | 2010-12-15 | 三一重型装备有限公司 | Development machine |
| CN104372812A (en) * | 2014-10-31 | 2015-02-25 | 安徽山河矿业装备股份有限公司 | Excavating and loading equipment for engineering machinery |
| CN110500091A (en) * | 2019-09-29 | 2019-11-26 | 三一重型装备有限公司 | Development machine |
| CN114033410A (en) * | 2021-11-05 | 2022-02-11 | 江苏中机矿山设备有限公司 | Dual-purpose heading machine for cutting and cutting hard rock |
-
2007
- 2007-07-20 CN CNU2007200134143U patent/CN201068797Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915096A (en) * | 2010-08-20 | 2010-12-15 | 三一重型装备有限公司 | Development machine |
| CN101915096B (en) * | 2010-08-20 | 2013-01-02 | 三一重型装备有限公司 | Development machine |
| CN104372812A (en) * | 2014-10-31 | 2015-02-25 | 安徽山河矿业装备股份有限公司 | Excavating and loading equipment for engineering machinery |
| CN110500091A (en) * | 2019-09-29 | 2019-11-26 | 三一重型装备有限公司 | Development machine |
| CN114033410A (en) * | 2021-11-05 | 2022-02-11 | 江苏中机矿山设备有限公司 | Dual-purpose heading machine for cutting and cutting hard rock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |