CN201581894U - Small cantilever-type tunneling machine - Google Patents
Small cantilever-type tunneling machine Download PDFInfo
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- CN201581894U CN201581894U CN2009201811978U CN200920181197U CN201581894U CN 201581894 U CN201581894 U CN 201581894U CN 2009201811978 U CN2009201811978 U CN 2009201811978U CN 200920181197 U CN200920181197 U CN 200920181197U CN 201581894 U CN201581894 U CN 201581894U
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Abstract
The utility model relates to a small cantilever-type tunneling machine, comprising a frame provided with a travelling gear at the lower part; the frame is provided with a shovel plate mechanism at the front end of the lower part and a conveyor at the lower middle part from front to back; the frame is further provided with a power mechanism and a cooling system; the front end of the frame is provided with a steering mechanism; the steering mechanism is provided with an implementing controller for installing a cutter head or a quartering hammer or a bucket; the cooling system comprises a primary water tank and a secondary water tank, a plate wing-type water radiator, a water pump, a three-way ball valve and a matching pipeline, wherein the plate wing-type oil heat exchanger of the cooling hydraulic oil is arranged in the primary water tank. The machine is convenient to exchange the cutter head or the quartering hammer or the bucket and is applicable to multifunctional operation. Auxiliary packaging can be finished while cutting, and special processes of maintaining top portion and side walls of a laneway are reduced. When no external water supplies, the cooling water in the water tank circulates so as to cool the hydraulic oil and ensure the machine to run normally.
Description
Technical field
The utility model relates to coal mine roadway road heading machinery and colliery mining machinery, specifically is a kind of mini-boom development machine that can realize continuous tunnelling and the comprehensive digging operation in colliery.
Background technology
Lasting exploitation along with the colliery, short coal seam is more and more, the height of present big-and-middle-sized development machine all is more than 1.5m, width is more than 2m, volume is big, uses inconvenience in the digging of middle-size and small-size tunnel, adit or the thinner seam in colliery, and many collieries are carried out big gun and adopted in this operating mode, the danger that big gun is adopted is very high, and operating efficiency has had a strong impact on tunnelling speed and comprehensive digging speed; The cutterhead of boom-type roadheader and cutting arm are to be fastenedly connected, and can't realize changing multiple functional device and finish multi-function operation, and utilization rate of equipment and installations is not high, need the overlapping investment miscellaneous equipment.
Boom-type roadheader adopts telescopic or not telescopic straight-arm structure, can only lean on the driving force of walking to advance the shovel board charging, efficient is not high, material anterior to the development machine shovel board and the left and right side needs artificial auxiliary feeding to conveying mechanism, manual work is slow, often cause the colliery to be deposited in the left and right sides leading flank of the anterior and machine of shovel board, do not satisfy the Capability Requirement of conveying mechanism, equipment efficiency of usage is not enough; The development machine of straight arm type cutting arm device is after finishing the tunnel cut, and the surperficial danger in the end face in tunnel and left and right side is a lot, planeness is bad, need manually finish danger and remove and flat surface, just can carry out next step supporting operation.Because these auxiliary charging personnel and carry out the cleaning of tunnel end face and side and the non-supporting district that smooth personnel are in the tunnel, operating environment is abnormally dangerous, add that artificial operating efficiency is low, reduced tunnelling speed, have a strong impact on Coal Production and benefit, even jeopardize artificial life security.
Initial stage at a lot of collieries digging laneway does not have water source supply, and development machine can't carry out work when no external water source mostly, because there is not the water source to cool off hydraulic oil, oily temperature can increase substantially, and influences the reliability and the application life of the hydraulic part of machine; Water tank of part Machinery Design is welded into oil cooler with copper pipe in water tank, area of dissipation is not enough, and cooling effect is bad, and bulky, and when no external water source supply, it is very fast that hydraulic oil temperature equally can temperature rise, and the machine works time is very short.
The utility model content
The purpose of this utility model provides a kind of novel mini-boom development machine, can not only finish the excavation operation in middle-size and small-size tunnel, the comprehensive digging operation in light-gauge colliery in can also being fit to; Be convenient to realize the replacing of cutterhead or quartering hammer or scraper bowl, finish multi-function operations such as fragmentation, the transhipment of rake slag; When realizing cut, reparation is finished in the danger and out-of-flatness place of top, tunnel and sidewall; When no external water source supply, the water of water tank inside can periodic duty reduce hydraulic fluid temperature, and machine is the same can operate as normal.
A kind of mini-boom development machine, comprise frame, frame lower is provided with walking mechanism, frame front end bottom is provided with shovel board mechanism, middle and lower part and extends from front to back and be provided with conveying mechanism, also be provided with actuating unit and cooling system on the frame, it is characterized in that: the frame front end is provided with the execution controlling organization that is used to install cutterhead or quartering hammer or scraper bowl, carries out controlling organization and is installed in the steering mechanism of frame front end setting; Cooling system comprises that cooling water source receives main water box by water filler through pipeline e, main water box is received secondary water tank by pipeline, the cooling water of secondary water tank is extracted by the road g out to tee ball valve by pipeline b by water pump, tee ball valve has two outlets, one the road by the road d get back to main water box, another road by the road c to the ejection; Hydraulic oil is received through pipeline and is contained in the plate-fin oil heat exchanger that two stainless steels in the main water box are made, and picks out and gets back to hydraulic oil container, and hydraulic oil in the plate-fin oil heat exchanger and the water-stop in the main water box are isolated layout.
In the technique scheme, the frame front end is provided with the execution controlling organization that is used to install cutterhead or quartering hammer or scraper bowl, carrying out controlling organization is installed in the steering mechanism of frame front end setting, the radial type of cutterhead connects, for convenience detach, realize multi-function operation to be convenient for changing multiple functional device such as quartering hammer or scraper bowl; Do not having under the situation of external water source supply, the recirculated water in the major and minor water tank reduces water temperature by the circulation heat radiation; Recirculated water dispels the heat to the hydraulic oil in the plate-fin oil heat exchanger of making by stainless steel, guarantees that finally hydraulic system can carry out operate as normal always, prolongs the application life of hydraulic part.
Description of drawings
Fig. 1 is a mini-boom development machine structural representation of the present utility model;
Fig. 2 is the structural representation of the actuating unit of single motor transfer case formation of the present utility model;
Fig. 3 is single motor transfer case oil sump position view of the present utility model;
Fig. 4 is cutting arm of the present utility model and the structural representation of carrying out controlling organization;
Fig. 5 is a horizontal cutterhead profile perspective view of the present utility model;
Fig. 6 is the structural representation of the cooling system of hydraulic system of the present utility model.
The specific embodiment
In conjunction with Fig. 1, the mini-boom development machine comprises frame 10, frame 10 bottoms are provided with walking mechanism 20, frame 10 front end bottoms are provided with shovel board mechanism 30, middle and lower part and extend from front to back and be provided with conveying mechanism 70, also be provided with actuating unit 60 and cooling system 40 on the frame 10, frame 10 front ends are provided with the execution controlling organization 50 that is used to install cutterhead or quartering hammer or scraper bowl, carry out controlling organization 50 and are installed in the steering mechanism 80 of frame 10 front ends setting; Walking mechanism 20 is used to drive the walking of development machine, and conveying mechanism 70 is implemented the material of exploitation to carry via 30 guiding of shovel board mechanism.
In conjunction with Fig. 1,4,5, described execution controlling organization 50 is made up of big arm 57 and forearm 55, and forearm 55 is contained in big arm 57 front ends, adopts between the two to be articulated and connected; The tail end and the steering mechanism 80 of big arm 57 are hinged, the middle part of big arm 57 is hinged with the piston rod end of big arm oil cylinder 58, the cylinder body tail end and the steering mechanism 80 of big arm oil cylinder 58 are hinged, between the middle part of big arm 57 and forearm 55 forearm oil cylinder 56 is set; forearm 55 front ends are connected with cutterhead 90; cutterhead 90 comprises support 91; left cutterhead 92 is set on the support 91; right cutterhead 93; left cutterhead 92; right cutterhead 93 is a hub-like; its rotating shaft is parallel with the gyroaxis core of above-mentioned jointed shaft; left cutterhead 92; arrange pick 94 on the side face of right cutterhead 93 and the lateral surface, above-mentioned jointed shaft is positioned at horizontal direction, and the rotating shaft of steering mechanism 80 is positioned at vertical.Big arm 57 lower ends and steering mechanism 80 are hinged, and big arm 57 can deflect, and add the big arm oil cylinder 58 of control, forearm oil cylinder 56 and excavate oil cylinder 54, can regulate the job position of cutterhead 90 up and down on a large scale, improve the operating flexibility of development machine; As shown in Figure 1 cutterhead 90 can be in upper, middle and lower or between the optional position.
Described big arm oil cylinder 58; forearm oil cylinder 56 lays respectively at the below of big arm 57 and forearm 55; stage casing of the lower end of rocking bar 53 and forearm 55 is articulated and connected; the rear end of the upper end of rocking bar 53 and connecting rod 52 is hinged; the support 91 of the front end of connecting rod 52 and cutterhead 90 is hinged; support 91 hinged forearm 55 front ends that are contained in;; forearm 55 is formed quadric chain; be provided with between support 91 and the forearm 55 and excavate oil cylinder 54; end of described excavation oil cylinder 54 is hinged on the forearm 55; other end is hinged on the jointed shaft of rocking bar 53 and connecting rod 52, excavate oil cylinder 54 and be positioned at forearm 55 tops by support 91; connecting rod 52; rocking bar 53.
The preferred version of said structure has following remarkable result: make the flexibility of cutterhead improve greatly, further strengthen the job area of cutterhead; The radial type of cutterhead connects, and is for convenience detach, realizes multi-function operation to be convenient for changing multiple functional device; The cutting arm device can deflect, add the attitude of big arm, forearm and the cutterhead of energy independent operation, not only can finish to mill normally and dig operation, can also finish the material that is deposited in shovel board the place ahead and machine left and right side is assisted charging, satisfy the Capability Requirement of conveying mechanism, accelerate excavation operation speed; Adopt the horizontal cutterhead of fluid motor-driven, two cutterhead structures, cutterhead side face and left and right sides are worn the cut tooth.In normal excavation operation, the top in tunnel and sidewall are smooth smooth, reduce this road program that repair in the tunnel; Because cutterhead 90 is connected with forearm 55 radial types, can change cutterhead simply is quartering hammer, realizes the crushing operation of ratchel as crushing engine; Changing cutterhead simply is scraper bowl, as slicer-loader, can finish and harrow slag transhipment operation efficiently, realizes one-machine-multi-function.
Actuating unit 60 is provided with an input and plural at least output, and its input links to each other with the output of power source.
Preferred version is exactly the concrete structure shown in Fig. 2,3, described actuating unit 60 is provided with an input and three outputs, this input links to each other with the output shaft of fire-proof motor 67, and three outputs drive the first hydraulic pump 64A, the second hydraulic pump 64B and water pump 65 rotations respectively.
Actuating unit 60 comprises transfer case 63, and input gear 61 adopts shaft coupling 62 to link to each other transfer case 63 in and between its rotating shaft and the fire-proof motor 67, and the axial line of importing the output shaft of the axial line of gear 61 and fire-proof motor 67 matches.
The side of described input gear 61 is respectively equipped with the first output gear 66A and the second output gear 66B with its external toothing, the diameter of the first output gear 66A and the second output gear 66B is less than the diameter of input gear 61, the output shaft of the first output gear 66A and the second output gear 66B drives the first hydraulic pump 64A respectively and the second hydraulic pump 64B rotates, and input gear 61 directly drives water pump 65 and rotates.
The below of described transfer case 63 is provided with heat abstractor, and described heat abstractor is that the axle core of oil sump 69, the first output gear 66A, the second output gear 66B and input gear 61 is located in the same horizontal plane.
Adopt single motor transfer case output scheme, transfer case has an input port, three delivery outlets, and two delivery outlets connect hydraulic pump, a water pump.Reduced by 2 fire-proof motors than prior art scheme, reduced electrical part, improved safety; Reduce motor and make that machine general arrangement is simple, the integration height effectively reduces the physical dimension of machine; During concrete enforcement, because hydraulic pump 64A, 64B are just changeing design, adopt motor 67 to be necessary for counter-rotating, and the first output gear 66A and the second output gear 66B be the speedup transmission, the requirement of the rated speed 2200rpm of 64A, 64B is satisfied in such design; Connects by flat key 68 between the output wheel that drives water pump 65 and the input gear 61, be the constant speed transmission, and the direction unanimity, i.e. the employing water pump that reverses, the requirement of the rated speed 1450rpm of water pump is satisfied in such design; As shown in Figure 3, because the transfer case volume is little, driving torque is big, for effectively increasing the oil mass and the area of dissipation of gear oil, at oil sump 69 of the bottom of transfer case 63 design, make the thermal equilibrium temperature of transfer case 63 internal gear oil less than 85 ℃, improve the application life of gear, bearing and sealing ring, thereby improve the application life of transfer case.The design effectively reduces development machine fire-proof motor quantity, improves safety; It is simply clear to arrange, saves the space, and maintains easily maintenance; Single motor transfer case reduces development machine appearance and size, increases the flexibility of underground equipment work.
This novel cutting means can not only be finished the driving in normal tunnel and colliery, can also operate cutterhead 90 and coal breakage be finished auxiliary charging operation on a large scale, and the coal breakage of shovel board mechanism 20 the place aheads and machine left and right directions is installed in the conveying mechanism on the shovel board; Laterally cutterhead can be finished circumferential cut and side cut, in the cut tunnel, the smooth end face and the left and right side in tunnel, can not also have danger to exist, make things convenient for next step roadway support operation, improve the flow chart of tunnelling and colliery digging, improved Coal Production efficient.
The fuselage height of the utility model examples of implementation is 1.45m, fuselage width is 1.6m, machine heavily is 7.5T, be miniaturization, multi-functional design, can satisfy the colliery, can satisfy country adopts mechanized construction to medium and small colliery requirement especially the miniaturization of road heading machinery and mining machinery and the demand of multifunction, reduce the input of colliery to equipment, save fund, reduced artificial input, farthest given labourer's safety assurance.
Claims (9)
1. mini-boom development machine, comprise frame (10), frame (10) bottom is provided with walking mechanism (20), frame (10) front end bottom is provided with shovel board mechanism (30), middle and lower part and extends from front to back and be provided with conveying mechanism (70), also be provided with actuating unit (60) and cooling system (40) on the frame (10), it is characterized in that: frame (10) front end is provided with the execution controlling organization (50) that is used to install cutterhead or quartering hammer or scraper bowl, carries out controlling organization (50) and is installed in the steering mechanism (80) of frame (10) front end setting; Cooling system (40) comprises that cooling water source passes through water filler (41) and receives main water box (42) through pipeline e, main water box (42) is received secondary water tank (43) by pipeline, the cooling water of secondary water tank (43) is extracted by the road g out to tee ball valve (45) by pipeline b by water pump (44), tee ball valve (45) has two outlets, one the road by the road d get back to main water box (42), another road by the road c to the ejection; Hydraulic oil is received through pipeline and is contained in the plate-fin oil heat exchanger (47) that two stainless steels in the main water box (42) are made, and picks out and gets back to hydraulic oil container, the water-stop in hydraulic oil in the plate-fin oil heat exchanger (47) and the main water box (42) is isolated arrange.
2. mini-boom development machine according to claim 1 is characterized in that: described execution controlling organization (50) is made up of big arm (57) and forearm (55), and forearm (55) is contained in big arm (57) front end, adopts between the two to be articulated and connected; The tail end and the steering mechanism (80) of big arm (57) are hinged, the middle part of big arm (57) is hinged with the piston rod end of big arm oil cylinder (58), the cylinder body tail end and the steering mechanism (80) of big arm oil cylinder (58) are hinged, between the middle part of big arm (57) and forearm (55) forearm oil cylinder (56) is set; forearm (55) front end is connected with cutterhead (90); cutterhead (90) comprises support (91); left cutterhead (92) is set on the support (91); right cutterhead (93); left cutterhead (92); right cutterhead (93) is a hub-like; its rotating shaft is parallel with the gyroaxis core of above-mentioned jointed shaft; left cutterhead (92); arrange pick (94) on the side face of right cutterhead (93) and the lateral surface; above-mentioned jointed shaft is positioned at horizontal direction, and the rotating shaft of steering mechanism (80) is positioned at vertical.
3. mini-boom development machine according to claim 1 is characterized in that: be interconnected via pipeline a, f and plate-fin water-to-water heat exchanger (46) between described main water box (42) and the secondary water tank (43).
4. mini-boom development machine according to claim 1 is characterized in that: described actuating unit (60) is provided with an input and plural at least output, and its input links to each other with the output of power source.
5. small cantilever-type tunneling machine according to claim 2; It is characterized in that: described big arm cylinder (58); Oil cylinder of small arm (56) lays respectively at the below of big arm (57) and forearm (55); The stage casing of the lower end of rocking bar (53) and forearm (55) is articulated and connected; The rear end of the upper end of rocking bar (53) and connecting rod (52) is hinged; The support (91) of the front end of connecting rod (52) and cutterhead (90) is hinged; Hinged forearm (55) front end that is contained in of support (91); By support (91); Connecting rod (52); Rocking bar (53); Forearm (55) forms quadric chain; Arrange between support (91) and the forearm (55) and excavate oil cylinder (54); One end of described excavation oil cylinder (54) is hinged on the forearm (55); The other end is hinged on the jointed shaft of rocking bar (53) and connecting rod (52), excavates oil cylinder (54) and is positioned at forearm (55) top.
6. mini-boom development machine according to claim 4, it is characterized in that: described actuating unit (60) is provided with an input and three outputs, this input links to each other with the output shaft of fire-proof motor (67), and three outputs drive first hydraulic pump (64A), second hydraulic pump (64B) and water pump (65) respectively and rotate.
7. mini-boom development machine according to claim 6, it is characterized in that: described actuating unit (60) comprises transfer case (63), input gear (61) is positioned between transfer case (63) and its rotating shaft and the fire-proof motor (67) and adopts shaft coupling (62) to link to each other, and the axial line of importing the output shaft of the axial line of gear (61) and fire-proof motor (67) matches.
8. according to claim 6 or 7 described mini-boom development machines, it is characterized in that: the side of described input gear (61) is respectively equipped with first output gear (66A) and second output gear (66B) with its external toothing, the diameter of first output gear (66A) and second output gear (66B) is less than the diameter of input gear (61), the output shaft of first output gear (66A) and second output gear (66B) drives first hydraulic pump (64A) respectively and second hydraulic pump (64B) rotates, and input gear (61) directly drives water pump (65) and rotates.
9. mini-boom development machine according to claim 6, it is characterized in that: the below of described transfer case (63) is provided with heat abstractor, described heat abstractor is oil sump (69), and the axle core of first output gear (66A), second output gear (66B) and input gear (61) is located in the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201811978U CN201581894U (en) | 2009-12-15 | 2009-12-15 | Small cantilever-type tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201811978U CN201581894U (en) | 2009-12-15 | 2009-12-15 | Small cantilever-type tunneling machine |
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| Publication Number | Publication Date |
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| CN201581894U true CN201581894U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201811978U Expired - Lifetime CN201581894U (en) | 2009-12-15 | 2009-12-15 | Small cantilever-type tunneling machine |
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| CN (1) | CN201581894U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808856A (en) * | 2011-09-15 | 2012-12-05 | 王福贵 | Novel gearbox type bearing box and manufacturing method thereof |
| CN103103996A (en) * | 2011-11-10 | 2013-05-15 | 刘素华 | Loading machine capable of crushing materials and rolling rake materials |
| CN103510953A (en) * | 2012-06-24 | 2014-01-15 | 刘素华 | Step-tooth excavating method of reciprocating impact excavators, and step-tooth reciprocating impact excavator used for realizing step-tooth excavating method |
| CN103615244A (en) * | 2013-11-26 | 2014-03-05 | 河南理工大学 | Cantilever excavator capable of controlling posture of cutting head |
| CN108457322A (en) * | 2017-09-08 | 2018-08-28 | 襄阳忠良工程机械有限责任公司 | Head is dug in blade type milling |
-
2009
- 2009-12-15 CN CN2009201811978U patent/CN201581894U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808856A (en) * | 2011-09-15 | 2012-12-05 | 王福贵 | Novel gearbox type bearing box and manufacturing method thereof |
| CN102808856B (en) * | 2011-09-15 | 2015-12-16 | 王福贵 | A kind of tooth box type bearing box |
| CN103103996A (en) * | 2011-11-10 | 2013-05-15 | 刘素华 | Loading machine capable of crushing materials and rolling rake materials |
| CN103510953A (en) * | 2012-06-24 | 2014-01-15 | 刘素华 | Step-tooth excavating method of reciprocating impact excavators, and step-tooth reciprocating impact excavator used for realizing step-tooth excavating method |
| CN103615244A (en) * | 2013-11-26 | 2014-03-05 | 河南理工大学 | Cantilever excavator capable of controlling posture of cutting head |
| CN103615244B (en) * | 2013-11-26 | 2016-01-06 | 河南理工大学 | A kind of cutterhead controlled attitude boom-type roadheader |
| CN108457322A (en) * | 2017-09-08 | 2018-08-28 | 襄阳忠良工程机械有限责任公司 | Head is dug in blade type milling |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100915 |
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| CX01 | Expiry of patent term |