CN104453890B - Coal-winning machine and its running part - Google Patents
Coal-winning machine and its running part Download PDFInfo
- Publication number
- CN104453890B CN104453890B CN201410591416.5A CN201410591416A CN104453890B CN 104453890 B CN104453890 B CN 104453890B CN 201410591416 A CN201410591416 A CN 201410591416A CN 104453890 B CN104453890 B CN 104453890B
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- Prior art keywords
- square device
- limit square
- output shaft
- shearer
- gear
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- 230000009467 reduction Effects 0.000 claims abstract description 30
- 239000003245 coal Substances 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 13
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000005065 mining Methods 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 230000004224 protection Effects 0.000 abstract description 26
- 238000000034 method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
- F16D43/21—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
- F16H2035/103—Arrangements or devices for absorbing overload or preventing damage by overload with drive interruption by structural failure of overload preventing means, e.g. using shear pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a kind of coal-winning machine and its running part.The Walk Part of Shearer includes：Running part gear drive and road wheel；Running part gear drive includes：Power input shaft, input shaft gear, output shaft gear and power output shaft；Power input shaft is used for the output shaft drive connection with shearer hauled-part reduction box, and power output shaft is connected with traction drive；Output shaft gear is connected with power output shaft by the first limit square device being set between, and/or, road wheel is connected with power output shaft by the second limit square device being set between, and/or, input shaft gear is connected with power input shaft by the 3rd limit square device being set between, and/or power input shaft is connected with the output shaft of shearer hauled-part reduction box by the 4th limit square device being set between.Technical scheme can implement overload protection to traction system of coal cutter in time, reduce the construction cost of coal-winning machine.
Description
Technical field
The present invention relates to coal mine machinery field, more particularly, to a kind of coal-winning machine and its running part.
Background technology
The trailer system of coal-winning machine mainly includes traction electric machine, tractive unit reduction box and running part.Running part is included with scraping
The road wheel of the pin row engagement of plate conveyer intermediate channel, road wheel runs into during traveling to be made compared with hard coal seam or other reasonses
Into traveling obstacle when, due to shearer haulage power does not change and resistance increase, traction electric machine and positioned at traction electric machine and row
The traction drive mechanism walked between wheel can be by great overloading load, if traction electricity may be caused by implementing overload protection not in time
The part of machine and traction drive mechanism is damaged.At present, traction system of coal cutter overload protection mode is mainly using traction
The mode of Motor torque axle or electic protection, however, following lack be present as overload protection part using traction electric machine torque axis
Point：When torque axis overload breakage, whole driving parts between walking wheel of coal cutter and traction electric machine torque axis are
By heavy duty, not in time, and under operating mode rugged environment during operation, torque axis can frequently break the protection to trailer system
Split, construction speed can not only be influenceed by shutting down the torque axis more renewed, can also cause the increase of construction cost.And use electic protection
Mode there is also obvious hysteresis quality, it is impossible in time to traction system of coal cutter implement overload protection.
The content of the invention
The present invention is intended to provide a kind of Walk Part of Shearer, can implement overload protection to traction system of coal cutter in time,
And the construction cost of coal-winning machine can be reduced.
A kind of Walk Part of Shearer provided by the invention, including：Running part gear drive and road wheel；Running part tooth
Wheel drive mechanism includes：Power input shaft, input shaft gear, output shaft gear and power output shaft；Power input shaft be used for
The output shaft drive connection of shearer hauled-part reduction box, power output shaft are connected with traction drive；Output shaft gear is with moving
Power output shaft is connected by the first limit square device being set between, and/or, road wheel is with power output shaft by being sleeved on
Therebetween the second limit square device connection, and/or, input shaft gear is with power input shaft by being set with the 3rd between
The connection of square device is limited, and/or, the output shaft of power input shaft and shearer hauled-part reduction box is by being set with the between
Four limit square device connections.
Further, one of output shaft of power input shaft and shearer hauled-part reduction box has hollow-core construction,
4th limit square device is arranged in hollow-core construction, and the other of output shaft of power input shaft and shearer hauled-part reduction box is stretched
Enter into hollow-core construction and be connected with the 4th limit square device.
Further, it is at least one for friction in the first limit square device, the second limit square device, the 3rd limit square device and the 4th limit square device
Limit square device.
Further, in the first limit square device, the second limit square device, the 3rd limit square device and the 4th limit square device it is at least one including：
Outer ring, inner ring, the first distensible ring, the second distensible ring and torque regulating bolt；Inner ring is located in outer ring, shape between outer ring and inner ring
Into there is the first wedge shape space and the second wedge shape space that are oppositely arranged, the first wedge shape space and the second wedge shape space are from outside to inside
Gradually taper up；First distensible ring is embedded in the first wedge shape space, and the second distensible ring is embedded in the second wedge shape space；Torque adjusts spiral shell
Bolt passes through from the first distensible ring, and is spirally connected with the second distensible ring.
Further, the inside of inner ring is also set with spacer, and oil duct is provided with the inner circumferential of spacer.
Further, running part gear drive is enclosed reduction box.
Further, the train of running part gear drive is plane fixed shaft gear train.
The invention provides another Walk Part of Shearer, including road wheel, road wheel slows down with shearer hauled-part
The output shaft of case is connected by the limit square device being set between.
Present invention also offers a kind of coal-winning machine, including shearer hauled-part reduction box and above-mentioned Walk Part of Shearer.
Further, the transfer gear train in shearer hauled-part reduction box is planetary gear train, and shearer hauled-part slows down
The output shaft of case is formed on the final stage planet carrier of planetary gear train.
Walk Part of Shearer provided by the invention is using limit square device (at least one in first to fourth limit square device) conduct
Overload protection part, so, when in the normal traveling process of coal-winning machine, limit square device is non-slip, normally transmits traction power；When run into compared with
When traveling obstacle caused by hard coal seam or other reasonses triggers overload, limit square device skids, you can cut-out coal-winning machine walking in time
The power transmission in portion, make to obtain overload protection in each part most fast time of traction system of coal cutter；After obstacle cleaning, it is not required to
Limit square device is disassembled, after need to only resetting the torque of limit square device limit square device can be made to recover normal use, so as to drop
The low fault power time of coal-winning machine and the construction cost of coal-winning machine.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the sectional structure of the Walk Part of Shearer of first embodiment of the invention offer；
Fig. 2 diagrammatically illustrates the sectional structure of the first limit square device in first embodiment of the invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1, the sectional structure of the Walk Part of Shearer of first embodiment of the invention is shown, as illustrated, this is adopted
Coal machine running part includes running part gear drive 1 and road wheel 2.
Wherein, running part gear drive 1 includes：Power input shaft 11, input shaft gear 12, the and of output shaft gear 13
Power output shaft 14.Understood with reference to prior art, power input shaft 11 and the drive connection of input shaft gear 12, output shaft gear 13
With the drive connection of power output shaft 14, input shaft gear 12 can directly engage the relation coordinated with output shaft gear 13,
It can be connected by least one countershaft-gear.The power input shaft 11 of running part gear drive 1 is used for adopting
The output shaft drive connection of coal machine travel portion reduction box, power output shaft 14 be used for the drive connection of road wheel 2, traction electric machine
Power passes to road wheel 2 by shearer hauled-part reduction box, running part gear drive 1, and road wheel 2 is scraped with being fixed on
Pin row 3 on plate transporter engages, haulage shearer walking.
As can be seen from Figure, in the present embodiment, power input shaft 11 is preferably integrally formed with input shaft gear 12, OK
Walk wheel 2 to link together preferably by spline with power output shaft 14, output shaft gear 13 passes through set with power output shaft 14
The first limit square device 3 mounted in therebetween links together, and first installed in the low speed end of running part gear drive 1 limits square
Device 3 uses as overload protection part, can implement overload protection within the most fast time to each part of traction system of coal cutter.Tool
Body, in the normal traveling process of coal-winning machine, the first limit square device 3 is non-slip, and output shaft gear 13 is driven dynamic by the first limit square device 3
The coaxial linkage of power output shaft 14, road wheel 2 are normally walked.When road wheel 2 is run into compared with row caused by hard coal seam or other reasonses
When entering obstacle initiation overload, the first limit square device 3 skids, and output shaft gear 13 and the power that can cut off Walk Part of Shearer in time are defeated
Power transmission between shaft 14, each part of traction system of coal cutter is set to obtain overload protection within the most fast time.Work as obstacle
Remove the load of rear walking wheel 2 and recover normal, the first limit square device 3 need not now be disassembled from running part, only needed again
After the torque of the limit of setting first square device 3 the first limit square device 3 can be made to recover normal, continue to use as overload protection part, because of the
One limit square device 3 does not damage after overload protection, can recycle, so as to reduce the construction of fault power time and coal-winning machine
Cost.Moreover, using the first limit square 3 overload protection part as traction system of coal cutter of device, can not have to set traction electric machine
Torque axis, reduce the use of consumable accessory.
The embodiment of first limit square device 3 has many kinds, such as known friction can be used to limit square device, itself and output shaft
The annexation of gear 13 and power output shaft 14 may refer to this area correlation technique, will not be repeated here.
A kind of preferred embodiment of the first limit square device 3 is shown in Fig. 2, as illustrated, the first limit square device 3 includes：
Outer ring 31, inner ring 32, the first distensible ring 33, the second distensible ring 34, torque regulating bolt 35 and spacer 36.Inner ring 32 is located at outer ring
It is empty formed with the first wedge shape space and the second wedge shape space being oppositely arranged, the first wedge shape between outer ring 31 and inner ring 32 in 31
Between and the second wedge shape space gradually taper up from outside to inside.It should be noted that direction from outside to inside refers to from inside and outside herein
Direction of the end of circle to the axially center of inside and outside circle.First distensible ring 33 is embedded in the first wedge shape space, the second distensible ring 34
In embedded second wedge shape space, torque regulating bolt 35 passes through from the first distensible ring 33, and is spirally connected with the second distensible ring 34.Every
Set 36 is sleeved on inside inner ring 32, is provided with oil duct in the inner circumferential of spacer 36, can be stored lubricating oil.
It is appreciated that outer ring 31 is used to be sleeved in the centre bore of output shaft gear 13, inner ring 32 is by spacer 36 with moving
Power output shaft 14 connects, and spacer 36 can be interference fit with both power output shafts 14, and spacer 36 is used to protect power output
Axle 14, reduce the abrasion suffered in overload of power output shaft 14.
Using the first limit square device 3 of this kind of structure, can adjust the first limit square device 3 by torque regulating bolt 35 can transmit
The size of torque, to adapt to the overload protection demand of different operating modes, make overload protection more accurate.It is appreciated that tighten torque tune
Section bolt 35 can increase the moment of torsion that transmits of the first limit square device 3, on the contrary then can reduce the first limit square device 3 transmits moment of torsion.
When running into walking disorder in coal-winning machine walking process, once moment of torsion can be transmitted more than 3 maximum set in advance of the first limit square device,
Skidded between the outer ring 31 of first limit square device 3 and inner ring 32, play overload protective function in time.
It should be noted that, although the first limit square device 3 includes spacer 36 in the present embodiment, but in other embodiments, the
One limit square device 3 can also be not provided with spacer 36, its inner ring 32 be directly sleeved on power output shaft 14 and with power output shaft 14
Tight fit.
Referring to Fig. 1, it is preferable that running part gear drive 1 is enclosed reduction box in the present embodiment, input shaft gear 12
It is in output shaft gear 13 in the housing 10 of closing, the first limit square device 3 is also in housing 10, can so be avoided because of exposure
Wear and accelerate caused by insufficient lubrication in dust atmosphere.Need to reset the first torque for limiting square device 3 after overloading and occurring
When, it can output power the bearing cap in the left side of axle 14 and corresponding bearing outer ring disassembles, you can easily turn torque
Regulating bolt 35.Preferably, the train of running part gear drive 1 is plane fixed shaft gear train, and structure is relatively simple.
It should be noted that, although by setting between output shaft gear 13 and power output shaft 14 in the present embodiment
One limit square device 3 to carry out timely and effectively overload protection, but in specific application to traction system of coal cutter, to shearer haulage
The overload protection of system can also use following several structures：1st, road wheel 2 and power output shaft 14 are by being sleeved on the two it
Between the second limit square device connection；2nd, input shaft gear 12 and threeth limit square device of the power input shaft 11 by suit between
Connection；3rd, the output shaft of power input shaft 11 and shearer hauled-part reduction box is by being set with the 4th limit square device between
Connection, the above-mentioned second limit square device, the 3rd limit square device, the 4th limit square device can also be as the overload protections of traction system of coal cutter
Part, timely and effectively overload protection is carried out to traction system of coal cutter.It is appreciated that above-mentioned first to fourth limit square device can be with
It is used alone, can also be applied in combination, the structure of the second limit square device, the 3rd limit square device and the 4th limit square device can be with the first limit square
The structure of device 3 is identical, will not be repeated here.
It is further to note that when carrying out overload protection to traction system of coal cutter using the 4th limit square device, for just
In the limit square device of installation the 4th, one of output shaft of power input shaft 11 and shearer hauled-part reduction box has hollow knot
Structure, the 4th limit square device is arranged in hollow-core construction, another in the output shaft of power input shaft 11 and shearer hauled-part reduction box
One is extend into hollow-core construction to be connected with the 4th limit square device.
Present invention also offers the second embodiment of Walk Part of Shearer, in the present embodiment, road wheel and shearer haulage
The output shaft of portion's reduction box is connected by the limit square device being set between.Compared with above-mentioned first embodiment, the present embodiment
In be not required to set running part gear drive 1, output of the road wheel directly by limiting square device and shearer hauled-part reduction box
Axle drive connection, overload protection part of the limit square device as traction system of coal cutter, overload protective function is played by skidding.Should
The structure for limiting square device can be identical with the first limit square 3 structures of device in above-described embodiment, will not be repeated here.
Present invention also offers a kind of embodiment of coal-winning machine, the coal-winning machine includes shearer hauled-part reduction box and above-mentioned
Walk Part of Shearer.Because the Walk Part of Shearer that the above embodiment of the present invention provides can reach the effect above, it is provided with
The coal-winning machine of the Walk Part of Shearer should also possess corresponding technique effect, will not be repeated here.
Preferably, the transfer gear train in shearer hauled-part reduction box is planetary gear train, shearer hauled-part reduction box
Output shaft be formed on the final stage planet carrier of planetary gear train, tractive unit reduction box advantageously reduces coal-winning machine using planetary gear train
Fuselage thickness, increase underneath clearance, improve coal mining yield.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
1. a kind of Walk Part of Shearer, including：
Running part gear drive (1) and road wheel (2)；
The running part gear drive (1) includes：Power input shaft (11), input shaft gear (12), output shaft gear
And power output shaft (14) (13)；The power input shaft (11) is used to drive with the output shaft of shearer hauled-part reduction box and connected
Connect, the power output shaft (14) and the road wheel (2) drive connection；
Characterized in that, the output shaft gear (13) and the power output shaft (14) are by being set with first between
Square device (3) connection is limited, and/or, the road wheel (2) is with the power output shaft (14) by being set with second between
The connection of square device is limited, and/or, the input shaft gear (12) and the power input shaft (11) are by being set with the between
Three limit square device connections, and/or, the power input shaft (11) and the output shaft of the shearer hauled-part reduction box pass through suit
The 4th limit square device connection between；
In the first limit square device, the second limit square device, the 3rd limit square device and the 4th limit square device it is at least one including：
Outer ring (31), inner ring (32), the first distensible ring (33), the second distensible ring (34) and torque regulating bolt (35)；
The inner ring (32) is separately provided with the outer ring (31), and the inner ring (32) is located in the outer ring (31), described outer
Enclose between (31) and the inner ring (32) formed with the first wedge shape space and the second wedge shape space being oppositely arranged, the first wedge
Shape space and second wedge shape space gradually taper up from outside to inside；
In embedded first wedge shape space of first distensible ring (33), embedded second wedge of second distensible ring (34)
In shape space；
The torque regulating bolt (35) passes through from first distensible ring (33), and with the second distensible ring (34) spiral shell
Connect；The torque regulating bolt (35) is used to adjust the first limit square device, the second limit square device, the 3rd limit square device and the 4th limit square
The transferable peak torque of device；When moment of torsion is more than peak torque, skidded between outer ring (31) and inner ring (32)；
The inside of the inner ring (32) is also set with spacer (36), and oil duct is provided with the inner circumferential of the spacer (36).
2. Walk Part of Shearer according to claim 1, it is characterised in that the power input shaft (11) and the coal mining
One of output shaft of machine travel portion reduction box has hollow-core construction, and the 4th limit square device is arranged on the hollow-core construction
Interior, the other of output shaft of the power input shaft (11) and the shearer hauled-part reduction box extend into described hollow
It is connected in structure with the described 4th limit square device.
3. Walk Part of Shearer according to claim 1, it is characterised in that the first limit square device, the second limit square device, the
It is at least one for friction limit square device in three limit square devices and the 4th limit square device.
4. Walk Part of Shearer according to any one of claim 1 to 3, it is characterised in that the running part gear passes
Motivation structure (1) is enclosed reduction box.
5. Walk Part of Shearer according to claim 4, it is characterised in that the running part gear drive (1)
Train is plane fixed shaft gear train.
6. a kind of coal-winning machine, it is characterised in that including any one of shearer hauled-part reduction box and claim 1 to 5
Walk Part of Shearer.
7. coal-winning machine according to claim 6, it is characterised in that the travelling gear in the shearer hauled-part reduction box
It is to be formed at for planetary gear train, the output shaft of the shearer hauled-part reduction box on the final stage planet carrier of the planetary gear train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591416.5A CN104453890B (en) | 2014-09-17 | 2014-10-28 | Coal-winning machine and its running part |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536216 | 2014-09-17 | ||
| CN2014205362165 | 2014-09-17 | ||
| CN201410591416.5A CN104453890B (en) | 2014-09-17 | 2014-10-28 | Coal-winning machine and its running part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104453890A CN104453890A (en) | 2015-03-25 |
| CN104453890B true CN104453890B (en) | 2018-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410591416.5A Active CN104453890B (en) | 2014-09-17 | 2014-10-28 | Coal-winning machine and its running part |
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| Country | Link |
|---|---|
| CN (1) | CN104453890B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590646B (en) * | 2018-03-28 | 2019-06-07 | 中国矿业大学 | A kind of running gear for coalcutter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006032680B4 (en) * | 2006-07-13 | 2008-07-24 | Dbt Gmbh | Roller loader drive assembly and guide shoe therefor |
| CN200975421Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Load adjustable coupling |
| CN102287185B (en) * | 2011-07-16 | 2013-11-06 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
| CN103104257B (en) * | 2013-01-31 | 2015-06-10 | 三一重型装备有限公司 | Coal mining machine and travel unit overload protective device thereof |
| 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 |
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2014
- 2014-10-28 CN CN201410591416.5A patent/CN104453890B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104453890A (en) | 2015-03-25 |
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