CN209244566U - Coalcutter support slippery boots assembly and coalcutter - Google Patents
Coalcutter support slippery boots assembly and coalcutter Download PDFInfo
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- CN209244566U CN209244566U CN201821911331.0U CN201821911331U CN209244566U CN 209244566 U CN209244566 U CN 209244566U CN 201821911331 U CN201821911331 U CN 201821911331U CN 209244566 U CN209244566 U CN 209244566U
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- slip shoe
- piston shoes
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Abstract
The utility model relates to a kind of coalcutter support slippery boots assemblies and coalcutter, the support slippery boots assembly includes slip shoe frame and two support piston shoes for supporting the slip shoe frame, pin hole is equipped among the top of slip shoe frame, support piston shoes are respectively hinged at the lower left quarter and right lower quadrant of slip shoe frame, and the axis of articulated shaft and pin hole is that anterior-posterior horizontal extends, the lower left quarter and right lower quadrant of the slip shoe frame are each provided with the first confined planes, the support piston shoes are swung with the first confined planes relatively described slip shoe frame that is limited, the coalcutter includes fuselage and the rocker arm that is mounted on the fuselage, left support leg and right support leg, each a set of support slippery boots assembly of self installation on left support leg and right support leg, the support slippery boots assembly is hinged on the lower part of corresponding supporting leg by the pin hole on the slip shoe frame.The support piston shoes of the utility model are substantially reduced than pressure, service life is obviously prolonged, and are adapted to the ability that working face rises and falls and are significantly improved, can apply to high working face, high-power coal cutter.
Description
Technical field
Slippery boots assembly is supported the utility model relates to a kind of coalcutter and applies the coalcutter of this component, belongs to digging
Dig equipment technical field.
Background technique
China's thickness and super high seam reserves are huge, separate zone production low efficiency, top coal caving waste of resource, 6-9m thickness and spy
High seam full-seam mining technology becomes preferred plan.Coalcutter is the capital equipment of fully-mechanized mining working coal mining.With mine
The development of mountain equipment technology, coalcutter increasingly develop towards the powerful direction of high working face, this just needs to research and develop high working face big
The coalcutter of power.
Support piston shoes are mounted on coalcutter coal wall side, and each one of left and right rides in scrapper conveyor shovel board, plays support and cunning
The dynamic effect advanced.With the increase of mining height of coal mining machine, coalcutter weight also increases very much, and 7m mining-height coal mining machine weight 180t is left
The right side, the above coalcutter weight of 8m mining height is up to 220t or so, therefore the ratio pressure of coalcutter support piston shoes is very big.In addition, working face
When fluctuating, piston shoes are too long is easy to be broken between coalcutter runs to two section shovel board of scrapper conveyor chute for support, influence the booting of mine side
Rate reduces production capacity.Therefore before the support piston shoes of traditional structure are difficult the support and sliding that meet the powerful coalcutter of high working face
Capable needs.
Summary of the invention
For the above problem for solving the prior art, the utility model provides a kind of coalcutter and supports slippery boots assembly and adopt
Coal machine wherein the ratio pressure of support piston shoes is substantially reduced, service life is obviously prolonged, and adapts to the ability that working face rises and falls and significantly mentions
Height can apply to high working face, high-power coal cutter, and the coalcutter for applying the support piston shoes is made to can adapt to thick and super high seam
The recovery scheme of full-seam mining, and functional reliability with higher.
The main technical schemes of the utility model have:
A kind of coalcutter support slippery boots assembly, two support piston shoes including slip shoe frame and the support slip shoe frame, institute
It states and is equipped with pin hole among the top of slip shoe frame, the lower left quarter of the slip shoe frame is respectively hinged among the top of the support piston shoes
And right lower quadrant, and the axis of articulated shaft and the pin hole is that anterior-posterior horizontal extends, the lower left quarter and right lower quadrant of the slip shoe frame
It is each provided with the first confined planes, the support piston shoes are swung with the first confined planes relatively described slip shoe frame that is limited, the cunning
The lower left quarter and right lower quadrant of boot of elevator straddle the top of the corresponding support piston shoes respectively.
The support piston shoes are hinged by pin shaft with the slip shoe frame, and the coal wall side of the pin shaft is equipped with the logical of "-" type
Slot, the coal wall side of the slip shoe frame are equipped with groove, and briquetting is fixed in the groove, and the middle part of the briquetting is just embedded in described
In through slot.
The structure snd size of two support piston shoes are preferably identical.
The top of the slip shoe frame can be ears or monaural structure.
The pin shaft surface is preferably through Carburization Treatment.
The support piston shoes bottom is equipped with wearing layer or surface is handled through carburizing and quenching.
The briquetting is fastened on the slip shoe frame by screw fastener.
The slip shoe frame is preferably bilateral symmetry.
A kind of coalcutter, including fuselage and the rocker arm, left support leg and the right support leg that are mounted on the fuselage, the left side
Each self installation a set of coalcutter support slippery boots assembly, the support slippery boots assembly pass through institute on supporting leg and right support leg
State the lower part that the pin hole on slip shoe frame is hinged on corresponding supporting leg, the lower part of the left support leg and right support leg is each provided with
Second confined planes, the slip shoe frame are swung with the second confined planes relatively corresponding supporting leg that is limited, the lower part of the rocker arm
It is hinged at one on the fuselage, another place is hinged on one end that oil cylinder is turned up, and the other end that oil cylinder is turned up is hinged on institute
It states on fuselage.
The beneficial effects of the utility model are:
There are three rotational freedoms with respect to coalcutter ontology for the support slippery boots assembly, hence it is evident that improves sliding using the support
The flexibility that the coalcutter of boots component is walked when working face rises and falls reduces card possibility of spraining, and so that coalcutter is adapted to working face and rises
The ability increasing of volt is twice above.
A corresponding coalcutter supporting leg, supports piston shoes to become two by original one, when working face has fluctuating, two
Support piston shoes can balance two support torques, avoid being broken between single support piston shoes are between two chute shovel boards therefrom originally, raising is adopted
Coal machine supports strength reliability of the piston shoes when rising and falling.
A corresponding coalcutter supporting leg, support piston shoes become two by original one, and the support of coalcutter entirety is sliding
Boots become four from two, and the ratio pressure of coalcutter support piston shoes is substantially reduced, and support the wearability of piston shoes to significantly improve, use
Service life is obviously prolonged.
The design feature of support slippery boots assembly makes it possible to adjust dependency structure size in right amount, is matched with three machines for meeting different
Set relationship has stronger flexibility and interchangeability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model；
Fig. 2 is the M-M echelon sectional view of Fig. 1；
Fig. 3 is that the support slippery boots assembly of the utility model adapts to working face fluctuating schematic diagram；
Fig. 4 is the structural schematic diagram of one embodiment of the coalcutter of the utility model；
Fig. 5 is the partial structural diagram of the support slippery boots assembly part of Fig. 4.
Specific embodiment
The utility model discloses a kind of coalcutter support slippery boots assemblies 6, as shown in Figure 1, 2, 3, including slip shoe frame 61
With two support piston shoes 62 for supporting the slip shoe frame.When work, the support piston shoes are pressed in drag conveyor shovel board, are played
The effect of support and sliding.Pin hole 611 is equipped among the top of the slip shoe frame, for the slip shoe frame between coalcutter ontology
Hingedly, enable the slip shoe frame with respect to coalcutter body oscillatory certain angle.It is respectively articulated among the top of the support piston shoes
In the lower left quarter and right lower quadrant of the slip shoe frame, and the axis of articulated shaft and the pin hole is that anterior-posterior horizontal extends.The cunning
The lower left quarter and right lower quadrant of boot of elevator are each provided with the first confined planes 612, and the support piston shoes can be limited with first confined planes
The relatively described slip shoe frame swings certain angle, and the lower left quarter and right lower quadrant of the slip shoe frame straddle the corresponding support respectively
The top of piston shoes.Therefore, the support slippery boots assembly just has three rotational freedoms with respect to coalcutter ontology, can obviously mention
The flexibility that height is walked using the coalcutter of the support slippery boots assembly when working face rises and falls, reduces card possibility of spraining, makes to mine
The ability increasing that machine adapts to working face fluctuating is twice above.
As shown in figure 3, just having certain angle [alpha] between drag conveyor chute shovel board after fully-mechanized mining working has fluctuating.When
When between supporting slippery boots assembly 6 to go to two shovel boards, since there are three rotational freedoms for support slippery boots assembly tool, so that two support piston shoes
With equalising torque automatic compensation function, two support piston shoes can preferably keep with the contact of two shovel boards, therefore can effectively keep away
Exempt from the case where being easily broken off among when traditional single support piston shoes straddle between two shovel boards, this also further improves and adopts
Coal machine supports strength reliability of the piston shoes when working face rises and falls.Equally, when three machine equipment of working face after a period of work, by
In abrasion, two section chute vertical bend angle of drag conveyor becomes larger, such as when more than defined 3 °, when coalcutter uses this reality
With novel tool there are three after the support slippery boots assembly of rotational freedom, card of spraining can be effectively avoided, adaptability greatly increases.
Single support slippery boots assembly is there are two piston shoes are supported, and just there are four support piston shoes for a coalcutter.The support is slided
The bottom lengths of single support piston shoes in boots component can be the traditional support piston shoes bottom lengths about 0.75-1 of same model
Times, therefore, for a supporting leg of coalcutter, using two support piston shoes when the support slippery boots assembly bottom area it
With 1.5-2 times or so of the traditional support piston shoes area for being same model, therefore support piston shoes of the support slippery boots assembly
Than pressure be substantially reduced, correspondingly improved support piston shoes wearability, support the service life of piston shoes at least extend 1.5 times with
On.
The support piston shoes and the slip shoe frame are hinged by pin shaft 63, and the coal wall side of the pin shaft is equipped with the logical of "-" type
Slot, the coal wall side of the slip shoe frame are equipped with groove, and groove described in Fig. 1 in the two sides of pin shaft end, connects respectively with the through slot
At "-" type, briquetting 64 is fixed in the groove, the middle part of the briquetting is just embedded in the through slot.The briquetting passes through
Screw fastener 65 is fastened on the slip shoe frame, is pressed on the briquetting on the end face of the pin shaft, prevents pin shaft axial
It scurries out.
The pin shaft preferably uses multi-diameter shaft.Pin shaft shown in Fig. 2 respectively with three sections of shaft hole matchings, therefore by the pin shaft
Also accordingly it is arranged to three ladder sections, and reduces paragraph by paragraph from coal wall side to mined out side diameter.In the present embodiment adjacent two sections it is straight
Diameter preferably differs 2mm or so.On the one hand it is to facilitate installation using the multi-diameter shaft of this structural shape, is on the other hand also heavier
The aspect wanted is easy to disassemble.After a period of use due to the support slippery boots assembly, pin shaft is because by larger Moment meeting
There are bending deformation and pin shaft abrasion to will lead to the appearance of step, pin shaft is arranged to attenuate paragraph by paragraph from one end to the other side
Multi-diameter shaft can mitigate above-mentioned bending deformation and the step difficulty caused by disassembly.
The structure snd size of two support piston shoes are preferably identical, and interchangeability is more preferable.
According to structure needs, the top of the slip shoe frame can be ears or monaural structure, i.e., the top of the described slip shoe frame
In intermediate convex or umbilicate structure on front-rear direction.Fig. 1,2 show monaural structure.
The pin shaft surface is preferably through Carburization Treatment, to improve the surface strength, hardness and wearability of pin shaft.
The support piston shoes bottom is equipped with wearing layer or surface is handled through carburizing and quenching, to improve the wear-resisting of support piston shoes
Property.
The slip shoe frame is preferably bilateral symmetry, when the support slippery boots assembly 6 is gone between two shovel boards, two
Support piston shoes are easier to carry out compensating and reaching equalising torque automatically.
Slip shoe frame described in the embodiment shown in that figure and support piston shoes substantially all in up-narrow and down-wide triangular shaped, and
On front-rear direction all in the structure of evagination among top, in order to be ridden respectively with the lower part of coalcutter supporting leg and slip shoe frame
Formula installation.
The invention also discloses a kind of coalcutters, as shown in Figure 4,5, including fuselage 3 and are mounted on the fuselage
Rocker arm 1, left support leg 4 and right support leg 5, each a set of support piston shoes of self installation on the left support leg and right support leg
Component 6, the support slippery boots assembly are hinged on the lower part of corresponding supporting leg by the pin hole on the slip shoe frame.The left branch
The lower part of support leg and right support leg is each provided with the second confined planes 41, and the slip shoe frame is limited with second confined planes can be opposite
Corresponding supporting leg swings certain angle.The relatively described slip shoe frame in addition the support piston shoes can be limited with first confined planes
Swing certain angle, make entirely support slippery boots assembly with respect to coalcutter fuselage have there are three rotational freedom.
It is hinged on the fuselage at the lower part one of the rocker arm, another place is hinged on one end that oil cylinder 2 is turned up, the tune
The other end of high oil cylinder is hinged on the fuselage.
In addition to the ability increasing above-mentioned for making coalcutter adapt to working face fluctuating is twice above, coalcutter support piston shoes in work
Outside many advantages, such as service life that strength reliability when making face fluctuating obviously increased, supported piston shoes extends 1.5 times or more, branch
For meeting, three machines are mating also stronger flexibility and interchangeability to support slippery boots assembly.When using traditional support piston shoes, in order to make
Coalcutter meets three different machine package size requirements, it usually needs adjusts the supporting leg connecting with support piston shoes, adjusting range
It is limited and at high cost.It is mating in order to make coalcutter meet three different machines when using the support slippery boots assembly of the utility model
Size requirement, as shown in figure 4, the adjustment to horizontal size C can be realized by adjusting horizontal relevance size A, B, by adjusting
Vertical association dimension D and E realize the adjustment to vertical size F, thus in the case where it is not very big for adjusting size, only by adopting
Made same with the support piston shoes and slip shoe frame of different fit dimensions without adjusting the size of left support leg and right support leg again
The supporting leg of one specification can be on different machines, therefore reduce the cost of supporting leg, and improve interchangeability of parts.
The utility model supports piston shoes more larger than pressure, extension support piston shoes service life, raising adaptation working face from reduction
The many aspects such as the ability of fluctuating and good interchangeability make the coalcutter meet 6m and the above high working face, seam mining in thick seam
The design requirement of coal machine.
Claims (10)
1. a kind of coalcutter support slippery boots assembly, it is characterised in that: two branch including slip shoe frame and the support slip shoe frame
Piston shoes are supportted, pin hole is equipped among the top of the slip shoe frame, is respectively hinged at the piston shoes among the top of the support piston shoes
The lower left quarter and right lower quadrant of frame, and the axis of articulated shaft and the pin hole is that anterior-posterior horizontal extends, the lower-left of the slip shoe frame
Portion and right lower quadrant are each provided with the first confined planes, and the support piston shoes are put with the first confined planes relatively described slip shoe frame that is limited
Dynamic, the lower left quarter and right lower quadrant of the slip shoe frame straddle the top of the corresponding support piston shoes respectively.
2. coalcutter as described in claim 1 support slippery boots assembly, it is characterised in that: the support piston shoes and the piston shoes
Frame is hinged by pin shaft, and the coal wall side of the pin shaft is equipped with the through slot of "-" type, and the coal wall side of the slip shoe frame is equipped with groove, institute
It states and is fixed with briquetting in groove, the middle part of the briquetting is just embedded in the through slot.
3. coalcutter as claimed in claim 2 support slippery boots assembly, it is characterised in that: the structure of two support piston shoes
It is identical with size.
4. coalcutter as claimed in claim 3 support slippery boots assembly, it is characterised in that: the top of the slip shoe frame is ears
Or monaural structure.
5. coalcutter as claimed in claim 4 support slippery boots assembly, it is characterised in that: the pin shaft surface through over carburizing at
Reason.
6. coalcutter as claimed in claim 5 support slippery boots assembly, it is characterised in that: the support piston shoes bottom is equipped with resistance to
Mill layer or surface are handled through carburizing and quenching.
7. coalcutter as claimed in claim 6 support slippery boots assembly, it is characterised in that: the briquetting passes through screw fastener
It is fastened on the slip shoe frame.
8. the coalcutter support slippery boots assembly as described in claim 1,2,3,4,5,6 or 7, it is characterised in that: the piston shoes
Frame bilateral symmetry.
9. coalcutter as described in claim 2,3,4,5,6 or 7 support slippery boots assembly, it is characterised in that: the pin shaft is
By the coal wall multi-diameter shaft that laterally mined out side attenuates paragraph by paragraph.
10. a kind of coalcutter, including fuselage and the rocker arm, left support leg and the right support leg that are mounted on the fuselage, feature
It is: on the left support leg and right support leg described in any one of each a set of claim 1-8 of self installation claim
Slippery boots assembly is supported, the support slippery boots assembly is hinged on the lower part of corresponding supporting leg by the pin hole on the slip shoe frame,
The lower part of the left support leg and right support leg is each provided with the second confined planes, and the slip shoe frame is limited with second confined planes
Relatively corresponding supporting leg is swung, and is hinged on the fuselage at the lower part one of the rocker arm, another place is hinged on height-regulating oil cylinder
One end, it is described be turned up oil cylinder the other end be hinged on the fuselage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911331.0U CN209244566U (en) | 2018-11-20 | 2018-11-20 | Coalcutter support slippery boots assembly and coalcutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911331.0U CN209244566U (en) | 2018-11-20 | 2018-11-20 | Coalcutter support slippery boots assembly and coalcutter |
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| Publication Number | Publication Date |
|---|---|
| CN209244566U true CN209244566U (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821911331.0U Active CN209244566U (en) | 2018-11-20 | 2018-11-20 | Coalcutter support slippery boots assembly and coalcutter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723438A (en) * | 2018-11-20 | 2019-05-07 | 天地科技股份有限公司上海分公司 | Coalcutter support slippery boots assembly and coalcutter |
| CN111350925A (en) * | 2020-04-18 | 2020-06-30 | 天地科技股份有限公司上海分公司 | Height-adjustable coal mining machine supporting mechanism and coal mining machine supporting height adjusting method |
| CN113944463A (en) * | 2021-10-14 | 2022-01-18 | 西安煤矿机械有限公司 | Auxiliary supporting device for coal mining machine and using method of auxiliary supporting device |
-
2018
- 2018-11-20 CN CN201821911331.0U patent/CN209244566U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723438A (en) * | 2018-11-20 | 2019-05-07 | 天地科技股份有限公司上海分公司 | Coalcutter support slippery boots assembly and coalcutter |
| CN111350925A (en) * | 2020-04-18 | 2020-06-30 | 天地科技股份有限公司上海分公司 | Height-adjustable coal mining machine supporting mechanism and coal mining machine supporting height adjusting method |
| CN113944463A (en) * | 2021-10-14 | 2022-01-18 | 西安煤矿机械有限公司 | Auxiliary supporting device for coal mining machine and using method of auxiliary supporting device |
| CN113944463B (en) * | 2021-10-14 | 2024-02-27 | 西安煤矿机械有限公司 | Auxiliary supporting device of coal mining machine and using method thereof |
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