CN105134208A - Travel wheel overload protection apparatus, travelling mechanism and coal cutter - Google Patents
Travel wheel overload protection apparatus, travelling mechanism and coal cutter Download PDFInfo
- Publication number
- CN105134208A CN105134208A CN201510397648.1A CN201510397648A CN105134208A CN 105134208 A CN105134208 A CN 105134208A CN 201510397648 A CN201510397648 A CN 201510397648A CN 105134208 A CN105134208 A CN 105134208A
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- road wheel
- overload protection
- slip shoe
- guide slip
- protection arrangement
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Abstract
The invention discloses a travel wheel overload protection apparatus. The travel wheel overload protection apparatus is arranged on the travel wheel of a coal cutter. The travel wheel overload protection apparatus comprises a shearing pin and a spline hub, the shearing pin is connected with the travelling wheel, the shearing pin is connected with the shearing pin, and the shearing pin is connected with the output mechanism of the traction portion of the coal cutter. The travel wheel overload protection apparatus adopting the above structure has the advantages of simple structure, low cost, examining and repairing convenience, and overload protection. The invention also discloses a travelling mechanism, and the coal cutter comprising the travelling mechanism.
Description
Technical field
The present invention relates to coal-cutting machinery field, particularly a kind of road wheel overload protection arrangement, be equiped with the walking mechanism of this machine road wheel overload protection arrangement and be equiped with the coal-winning machine of this walking mechanism.
Background technology
At present, in the overload protection of walking wheel of coal cutter, the measure mainly taked has following several scheme: the scheme 1, adopting torque axis, namely on motor shaft, connect a torque axis, when transmission system is transshipped, ruptured by torque axis and transmission system protected, but this scheme is when torque axis ruptures, whole driving parts between road wheel and torque axis are subject to heavy duty all, have caused certain injury to transmission system, also not obvious to the protection of road wheel; 2, electic protection scheme is adopted, because electic protection exists obvious hysteresis quality, so still certain injury can be caused to transmission system; 3, the scheme of torsion loop is adopted, the program is effectively protected road wheel by adopting torsion loop, although this kind of overload protection scheme can not make whole transmission system by heavy duty, but this scheme is the same with torque axis scheme to be still to destroy protection part and to reach protection object, overload needs the part more renewed after damaging, cost is high and maintenance is inconvenient; 4, adopt the scheme of friction limit square device, the program realizes coal mining tractive unit overload protection by friction limit square device, and be characterized in that protective device volume is comparatively large, protect in speed end, friction plate easily weares and teares simultaneously; 5, adopt the scheme with the splined shaft of spron, the program arranges spron on the splined shaft drawing transmitting torque between road wheel, and play a protective role, this scheme replacement cost is high.
In sum, how to provide that a kind of structure is simple, cost is lower, maintenance is convenient and overload protection road wheel overload protection arrangement, walking mechanism and coal-winning machine timely, has become those skilled in the art to need the technical problem of solution badly.
Summary of the invention
In view of this, one of the problem to be solved in the present invention how to provide that a kind of structure is simple, cost is lower, maintenance is convenient and overload protection road wheel overload protection arrangement timely.
Two of the problem to be solved in the present invention how to provide a kind of walking mechanism comprising above-mentioned road wheel overload protection arrangement.
Three of the problem to be solved in the present invention how to provide a kind of coal-winning machine comprising above-mentioned walking mechanism.
For one of solving the problem; the present invention proposes a kind of road wheel overload protection arrangement; be installed on the road wheel of coal-winning machine; described road wheel overload protection arrangement comprises shear pin and spline housing; described shear pin is connected with described road wheel; and described shear pin is connected with described spline housing, described spline housing is connected with the output mechanism of shearer hauled-part.
Further, described shear pin is provided with spron, and described spron is positioned at the junction of described road wheel and described spline housing.
Further, described shear pin comprises the first connecting portion and the second connecting portion, described first connecting portion is for connecting described spline housing, and described second connecting portion is for connecting described road wheel, and described spron is arranged between described first connecting portion and described second connecting portion.
Further, described spron is the arc groove being arranged on described shear pin radially-outer surface.
Further, described spline housing is removably fixedly connected with by the output mechanism of connector with described shearer hauled-part.
Further, the quantity of described shear pin is two, and two described shear pins are symmetrical arranged along the centerline axis of described spline housing.
The road wheel overload protection arrangement of said structure; be installed on the road wheel of coal-winning machine, comprise shear pin and spline housing, described shear pin is connected with described road wheel; and described shear pin is connected with described spline housing, described spline housing is connected with the output mechanism of shearer hauled-part.The road wheel overload protection arrangement of this structure; shear pin is used to carry out mechanical type protection; structure is simply effective; and can protect in time traction and walking transmission system; after shear pin damages; change convenience, cost is lower, namely there is the advantage that structure is simple, with low cost, overhaul convenience and overload protection.
For solve the problem two; the present invention also provides a kind of walking mechanism; for coal-winning machine; comprise walking housing, road wheel, road wheel overload protection arrangement and guide slip shoe; described walking housing arranges the periphery of described road wheel; described road wheel overload protection arrangement is arranged on described road wheel, and described road wheel is arranged in the accommodation space of described guide slip shoe, and described road wheel overload protection arrangement is road wheel overload protection arrangement described on it.
Further, described guide slip shoe comprises the first guide slip shoe block and the second guide slip shoe block, described first guide slip shoe block is removable installed in the side of described second guide slip shoe block, the bottom of described first guide slip shoe block and the second guide slip shoe block is formed with the hook groove for adapting with pin row, described first guide slip shoe block is connected with described walking housing, and described road wheel is installed in the accommodation space on described second guide slip shoe block.
Further, described walking housing is provided with watch window, for observing the running status of described road wheel and described spline housing.
This walking mechanism comprises aforementioned road wheel overload protection arrangement, obviously has the advantage that structure is simple, with low cost, overhaul convenience and overload protection.In addition, owing to walking mechanism being provided with the guide slip shoe comprising the first guide slip shoe block and the second guide slip shoe block, namely guide slip shoe is split left and right formula structure, and road wheel is installed in the accommodation space on described second guide slip shoe block, more convenient when repair and maintenance.
For solve the problem three, the present invention also provides a kind of coal-winning machine, comprises walking mechanism, and described walking mechanism is walking mechanism described on it.
This coal-winning machine obviously has whole beneficial effects of aforementioned walking mechanism, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of walking mechanism of the present invention;
Fig. 2 is the scheme of installation of overload protection arrangement of the present invention and road wheel;
Fig. 3 is the cross-sectional schematic of shear pin of the present invention;
Fig. 4 is the cross-sectional schematic of spline housing of the present invention;
Fig. 5 is the left view of guide slip shoe of the present invention;
Fig. 6 is the front view of guide slip shoe of the present invention;
Fig. 7 is that the present invention walks the structural representation of the watch window on housing.
Description of reference numerals
1 walking housing 2 road wheel 3 guide slip shoe
4 shear pin 5 spline housing 6 watch windows
7 bolt 51 pin shaft hole 52 screwed holes
41 first connecting portion 42 second connecting portion 43 sprons
44 first location dismounting groove 45 second locate dismounting groove 30 hook groove
31 first guide slip shoe block 32 second guide slip shoe block 33 piston shoes protecgulums
34 copper sheathing 35 first wearing plate 36 second wearing plates
37 the 3rd wearing plate 38 screw 39 alignment pins
310 first bolt 312 second bolt 313 the 3rd bolts
311 the 4th bolts
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
For sake of convenience, hereinafter alleged "left", "right", " on ", the D score "left", "right" with accompanying drawing 1 own, " on ", D score direction is consistent.
As shown in Figure 1; a kind of walking mechanism; for coal-winning machine; comprise walking housing 1, road wheel 2, road wheel overload protection arrangement and guide slip shoe 3; walking housing 1 arranges the periphery of described road wheel 2; road wheel overload protection arrangement is arranged on road wheel 2, and road wheel 2 is arranged in the accommodation space of described guide slip shoe 3.
As shown in Figure 2, aforementioned road wheel overload protection arrangement, comprise shear pin 4 and spline housing 5, shear pin 4 is connected with road wheel 2, and shear pin 4 is connected with spline housing 5, and spline housing 5 is connected with the output mechanism of shearer hauled-part.The moment of torsion that tractive unit exports can be delivered on road wheel 2 by above-mentioned setting, and then the equipment of drive (coal-winning machine) advances.It should be noted that; shear pin 4 is critical components of road wheel overload protection arrangement; shear pin 4 is provided with spron 43 (the most weakness of whole transmission system); this spron 43 is positioned at the junction of road wheel 2 and spline housing 5; when road wheel 2 runs into larger resistance, when equipment is in overload, shear pin 4 ruptures; moment of torsion transmission between spline housing 5 and road wheel 2 disconnects, and then plays the effect of protection tractive unit transmission system.
As shown in Figure 3, shear pin 4 also comprises the first connecting portion 41 and the second connecting portion 42, first connecting portion 41 is for connecting spline housing 5, and the second connecting portion 42 is for connected row travelling wheel 2, and spron 43 is arranged between described first connecting portion 41 and described second connecting portion 42.Preferably, spron 43 is for being arranged on the arc groove of shear pin 4 radially-outer surface.As shown in Figure 4, spline housing 5 is provided with pin shaft hole 51, namely the first connecting portion 41 is placed in pin shaft hole 51.
In addition, it is worth mentioning, the end face of the first connecting portion 41 offers the first location dismounting groove 44, first and locate in dismounting groove 44 the second location dismounting groove 45 being provided with connection second connecting portion 42, for installing shear pin 4 and locating.
Simultaneously, spline housing 5 of the present invention is removably fixedly connected with the output mechanism of shearer hauled-part especially by connector, this connector is preferably bolt 7, as shown in Figure 4, spline housing 5 is arranged screwed hole 52, spline housing 5, through screwed hole 52, is fixedly connected with the output mechanism of shearer hauled-part by this bolt 7.
For better ensureing the transmission of the moment of torsion that shearer hauled-part exports, the quantity of aforementioned shear pin 4 is preferably two, and two shear pins 4 are symmetrical arranged along the centerline axis of spline housing 5.
As shown in Figure 5, for convenience of the post-rift Maintenance and Repair of shear pin 4, guide slip shoe 3 is split left and right formula structure, utilizes finger setting, stay bolt connection.Guide slip shoe 3 specifically comprises the first guide slip shoe block 31 and the second guide slip shoe block 32, first guide slip shoe block 31 is removable installed in a upper lateral part of the second guide slip shoe block 32, first guide slip shoe block 31 is connected with walking housing 1, and road wheel 2 is installed in the accommodation space on the second guide slip shoe block 32.If when need safeguard road wheel, take off the second guide slip shoe block 32 and walking housing 1, can carry out keeping in repair and changing, easy to operate, time saving and energy saving.
In scheme further, the opposite side of the second guide slip shoe block 32 is provided with piston shoes protecgulum 33, and the bottom of piston shoes protecgulum 33 is a part for hook groove 30.
Meanwhile, as shown in Figure 5 and Figure 6, this guide slip shoe 3 also comprises the first bolt 310 and alignment pin 39.Be embodied in, first guide slip shoe block 31, second guide slip shoe block 32 and piston shoes protecgulum 33 are respectively equipped with corresponding screwed hole, three successively through the screwed hole on piston shoes protecgulum 33, second guide slip shoe block 32 and the first guide slip shoe block 31, is fixedly connected with by the first bolt 310 from left to right; In addition, first guide slip shoe block 31, second guide slip shoe block 32 and piston shoes protecgulum 33 are respectively equipped with corresponding pin shaft hole, alignment pin 39 passes the pin shaft hole on piston shoes protecgulum 33, second guide slip shoe block 32 and the first guide slip shoe block 31 successively, for three being located.It should be noted that; connector between first guide slip shoe block 31, second guide slip shoe block 32 and piston shoes protecgulum 33 three is not limited in the first bolt 310; keeper is not limited in alignment pin 39; other can realize above-mentioned purpose structural member all in protection scope of the present invention, in this citing that differs.It is worth mentioning, piston shoes protecgulum 33 is provided with the placement space for the bolt head of accommodating first bolt 310 and the bearing pin head for accommodating alignment pin 39.
For reducing the wearing and tearing of guide slip shoe 3, and then reduce part replacement frequency, the medial surface of hook groove 30 of the present invention is removably provided with wearing plate, and for improving the anti-wear performance of guide slip shoe 3, this wearing plate is preferably with bolts with hook groove 30.When guide slip shoe 3 wearing and tearing need to change, the collateral support that only needs coal-winning machine to walk is raised, and the connecting bolt of dismounting wearing plate, namely replaceable wearing plate, time saving and energy saving.
Further, wearing plate comprises three pieces, be specially the first wearing plate 35, second wearing plate 36 and the 3rd wearing plate 37, first wearing plate 35 is arranged on the medial surface of the first guide slip shoe block 31 bottom by the second bolt 312, second wearing plate 36 is arranged on the medial surface bottom hook groove 30 by the 3rd bolt 313, and the 3rd wearing plate 37 is arranged on the medial surface of piston shoes protecgulum 33 bottom by the 4th bolt 311.
It should be noted that, guide slip shoe 3 of the present invention also comprises the copper sheathing 34 for lubricate, and copper sheathing 34 is removably fixedly installed on the top of the first guide slip shoe block 31 medial surface by screw 38.
In addition, walking mechanism of the present invention also comprises watch window 6.As shown in Figure 6, this watch window 6 is arranged on walking housing 1, for the convenient running status understanding road wheel 2 and spline housing 5.
In sum, road wheel overload protection arrangement provided by the invention and walking mechanism, comprise shear pin 4 and spline housing 5, shear pin 4 is connected with road wheel 2, and shear pin 4 is connected with spline housing 5, and spline housing 5 is connected with the output mechanism of shearer hauled-part.Owing to using shear pin to carry out mechanical type protection to traction and walking transmission system, structure simple effectively and protection in time, after shear pin 4 damages, change convenient, cost is lower, namely has that structure is simple, with low cost, maintenance is convenient and the advantage of overload protection.In addition, again owing to walking mechanism being provided with guide slip shoe 3, this guide slip shoe 3 is split left and right formula structure, and road wheel 2 is installed in the accommodation space on described second guide slip shoe block 32, and when walking mechanism is damaged, repair and maintenance is more convenient.
Except the walking mechanism of previous embodiment, the present invention also provides a kind of coal-winning machine being provided with aforementioned walking mechanism.This coal-winning machine obviously has whole beneficial effects of aforementioned walking mechanism.It should be noted that, other structure of this coal-winning machine with reference to technology that is existing and that improve, can not repeat this herein.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a road wheel overload protection arrangement; be installed on the road wheel (2) of coal-winning machine; it is characterized in that; comprise shear pin (4) and spline housing (5); described shear pin (4) is connected with described road wheel (2); and described shear pin (4) is connected with described spline housing (5), described spline housing (5) is connected with the output mechanism of shearer hauled-part.
2. road wheel overload protection arrangement according to claim 1; it is characterized in that; described shear pin (4) is provided with spron (43), and described spron (43) is positioned at the junction of described road wheel (2) and described spline housing (5).
3. road wheel overload protection arrangement according to claim 2; it is characterized in that; described shear pin (4) comprises the first connecting portion (41) and the second connecting portion (42); described first connecting portion (41) is for connecting described spline housing (5); described second connecting portion (42) is for connecting described road wheel (2), and described spron (43) is arranged between described first connecting portion (41) and described second connecting portion (42).
4. road wheel overload protection arrangement according to claim 2, is characterized in that, described spron (43) is for being arranged on the arc groove of described shear pin (4) radially-outer surface.
5. the road wheel overload protection arrangement according to any one of claim 1-4, is characterized in that, described spline housing (5) is removably fixedly connected with by the output mechanism of connector with described shearer hauled-part.
6. road wheel overload protection arrangement according to claim 5, is characterized in that, the quantity of described shear pin (4) is two, and two described shear pins (4) are symmetrical arranged along the centerline axis of described spline housing (5).
7. a walking mechanism; for coal-winning machine; comprise walking housing (1), road wheel (2), road wheel overload protection arrangement and guide slip shoe (3); described walking housing (1) arranges the periphery of described road wheel (2); described road wheel overload protection arrangement is arranged on described road wheel (2); described road wheel (2) is arranged in the accommodation space of described guide slip shoe (3); it is characterized in that, described road wheel overload protection arrangement is the road wheel overload protection arrangement described in any one of claim 1-6.
8. walking mechanism according to claim 7, it is characterized in that, described guide slip shoe (3) comprises the first guide slip shoe block (31) and the second guide slip shoe block (32), described first guide slip shoe block (31) is removable installed in the side of described second guide slip shoe block (32), the bottom of described first guide slip shoe block (31) and the second guide slip shoe block (32) is formed with the hook groove (30) for adapting with pin row, described first guide slip shoe block (31) is connected with described walking housing (1), described road wheel (2) is installed in the accommodation space on described second guide slip shoe block (32).
9. walking mechanism according to claim 8, it is characterized in that, described walking housing (1) is provided with watch window (6), for observing the running status of described road wheel (2) and described spline housing (5).
10. a coal-winning machine, comprises walking mechanism, it is characterized in that, described walking mechanism is the walking mechanism described in any one of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397648.1A CN105134208B (en) | 2015-07-09 | 2015-07-09 | Traveling wheel overload protection arrangement, walking mechanism and coalcutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397648.1A CN105134208B (en) | 2015-07-09 | 2015-07-09 | Traveling wheel overload protection arrangement, walking mechanism and coalcutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105134208A true CN105134208A (en) | 2015-12-09 |
| CN105134208B CN105134208B (en) | 2018-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510397648.1A Active CN105134208B (en) | 2015-07-09 | 2015-07-09 | Traveling wheel overload protection arrangement, walking mechanism and coalcutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105134208B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798666A (en) * | 2018-08-13 | 2018-11-13 | 西安煤矿机械有限公司 | Maintaining method in a kind of non-maintaining walking mechanism in low seam mining machinery underground and its well |
| CN111425200A (en) * | 2020-05-06 | 2020-07-17 | 三一重型装备有限公司 | Coal mining machine walking assembly and coal mining machine |
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|---|---|---|---|---|
| GB532350A (en) * | 1939-08-21 | 1941-01-22 | Alexander Anderson | Improvements relating to overload clutches |
| CN201241307Y (en) * | 2008-05-12 | 2009-05-20 | 徐州徐工筑路机械有限公司 | Novel dynamic load buffer and overload protection mechanism of milling and planing wheel drive system |
| CN102108864A (en) * | 2010-12-31 | 2011-06-29 | 三一重型装备有限公司 | Coal mining machine and guiding skid shoe component |
| CN102116152A (en) * | 2009-12-30 | 2011-07-06 | 上海创力矿山设备有限公司 | Guiding sliding shoe of coal cutter walking part |
| CN102562058A (en) * | 2011-12-05 | 2012-07-11 | 三一重型装备有限公司 | Overload protecting device for running wheel of coal mining machine and coal mining machine provided with overload protecting device |
| CN203770448U (en) * | 2014-02-13 | 2014-08-13 | 三一重型装备有限公司 | Coal cutter, walking device of coal cutter and spline shaft of walking device |
| CN104595383A (en) * | 2014-12-31 | 2015-05-06 | 太重煤机有限公司 | Coal mining machine traction clutch device with overload protection function |
-
2015
- 2015-07-09 CN CN201510397648.1A patent/CN105134208B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB532350A (en) * | 1939-08-21 | 1941-01-22 | Alexander Anderson | Improvements relating to overload clutches |
| CN201241307Y (en) * | 2008-05-12 | 2009-05-20 | 徐州徐工筑路机械有限公司 | Novel dynamic load buffer and overload protection mechanism of milling and planing wheel drive system |
| CN102116152A (en) * | 2009-12-30 | 2011-07-06 | 上海创力矿山设备有限公司 | Guiding sliding shoe of coal cutter walking part |
| CN102108864A (en) * | 2010-12-31 | 2011-06-29 | 三一重型装备有限公司 | Coal mining machine and guiding skid shoe component |
| CN102562058A (en) * | 2011-12-05 | 2012-07-11 | 三一重型装备有限公司 | Overload protecting device for running wheel of coal mining machine and coal mining machine provided with overload protecting device |
| CN203770448U (en) * | 2014-02-13 | 2014-08-13 | 三一重型装备有限公司 | Coal cutter, walking device of coal cutter and spline shaft of walking device |
| CN104595383A (en) * | 2014-12-31 | 2015-05-06 | 太重煤机有限公司 | Coal mining machine traction clutch device with overload protection function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798666A (en) * | 2018-08-13 | 2018-11-13 | 西安煤矿机械有限公司 | Maintaining method in a kind of non-maintaining walking mechanism in low seam mining machinery underground and its well |
| CN108798666B (en) * | 2018-08-13 | 2024-03-15 | 西安煤矿机械有限公司 | Underground maintenance-free travelling mechanism of low seam coal mining machine and underground maintenance method thereof |
| CN111425200A (en) * | 2020-05-06 | 2020-07-17 | 三一重型装备有限公司 | Coal mining machine walking assembly and coal mining machine |
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| Publication number | Publication date |
|---|---|
| CN105134208B (en) | 2018-11-13 |
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