CN105114073A - Auxiliary support device for chain cutting unit of coal cutter - Google Patents
Auxiliary support device for chain cutting unit of coal cutter Download PDFInfo
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- CN105114073A CN105114073A CN201510427145.4A CN201510427145A CN105114073A CN 105114073 A CN105114073 A CN 105114073A CN 201510427145 A CN201510427145 A CN 201510427145A CN 105114073 A CN105114073 A CN 105114073A
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- guiding
- auxiliary support
- coal
- steel sleeve
- chain
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Abstract
The invention discloses an auxiliary support device for a chain cutting unit of a coal cutter. The auxiliary support device comprises a base (8). An end of the base (8) is connected with a guide outer steel sleeve (12) functioning in guidance, and the guide outer steel sleeve (12) is connected with a hydraulic cylinder end of a hydraulic cylinder (16) through a pin I (10); the hydraulic cylinder end of the hydraulic cylinder (16) is put in the guide outer steel jacket (12), and a piston rod end thereof is put in a guide inner steel sleeve (13); the guide inner steel sleeve (13) is connected with the piston rod end of the hydraulic cylinder (16) through a pin II (14), wherein a right end of the guide inner steel sleeve (13) is fixed to a chain wheel assembly (15), and the chain wheel assembly (15) meshes with a cutting chain (9) under action of the hydraulic cylinder (16). An axillary support cylinder added on the original basis is capable of assisting in supporting a part, having excessive contact stress against a coal wall, of the cutting chain and capable of assisting in tensioning the cutting chain when the cutting chain has insufficient tension degree.
Description
Technical field
The present invention relates to a kind of winning machine cutting part, specifically a kind of for coal-winning machine chain type cutting units auxiliary support apparatus, belong to coal-winning machine technical field.
Background technology
Coal-winning machine is one of capital equipment of mechanical coal mining work plane, and its main task is coal breakage and coalings; Therefore the operating efficiency direct relation of coal-winning machine the coal mining efficiency of whole fully-mechanized mining working, the operating efficiency how improving the coal mining of coal-winning machine is the key point realizing Rapid excavation production.
Tradition coal-winning machine coal breakage, coalingging realizes primarily of cylinder, and this frame for movement transmits power by multi-stage gear.In the transmission of long distance multiple sets of teeth wheel, seriously reduce transmission mechanical efficiency, waste energy; And less with the instant contact area of rib in coal mining machine roller coal cutting process, easily cause stress to concentrate, therefore propose a kind of chain type cutting units at this and carry out combining and adopt coal breakage in process, coaling.
In chain type cutting units, as shown in Figure 1: coal-winning machine fuselage 3 passes on left left rocking arm 2 and controls left cutting units 1; Right side controls right cutting units 5 by right Rocker arm 4, and wherein left cutting units 1 and right cutting units 5 power provide primarily of drive unit 7, are connected between drive unit 7 with pedestal 8 with hydraulic jack, and drive unit 7 realizes the tensioning to whole cut chain 9.But because chain type cutting units is in coal mining process, it is comparatively large that cutter chain 9 cuts rib place stress ratio, there will be the indent of cutter chain 9, greatly affect coal work efficiency.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of for coal-winning machine chain type cutting units auxiliary support apparatus, supplemental support can be carried out to cutter chain and the excessive place of rib contact stress, and when cutter chain tensioning degree is inadequate, carry out auxiliary tension.
To achieve these goals, the technical solution used in the present invention is: a kind of for coal-winning machine chain type cutting units auxiliary support apparatus, comprising:
Pedestal;
Described base ends connects the guiding outer steel sleeve play the guiding role, and guiding outer steel sleeve is by bearing pin I connecting fluid compressing cylinder cylinder ends;
Described hydraulic jack cylinder ends is put in guiding outer steel sleeve, guiding steel bushing put into by tailpiece of the piston rod; In described guiding, steel bushing is by pin shaft II connecting fluid oil pressuring cylinder piston rod end;
Wherein, in guiding, steel bushing right part and chain wheel set are fixed, and chain wheel set engages with cut chain under hydraulic jack effect.
This device also comprises: the connection fluid pressure line for fluid pressure line connects fenestella, and it is arranged on guiding outer steel sleeve surface.
The quantity of auxiliary support apparatus is at least one.
Further, described pedestal with guiding outer steel sleeve connected mode for welding.
Further, in described guiding, steel bushing end and chain wheel set fixed form are for welding.
The present invention, on original basis, adds supplemental support oil cylinder, can carry out supplemental support, and when cutter chain tensioning degree is inadequate, carry out auxiliary tensioning to cutter chain and the excessive place of rib contact stress;
And the inside and outside steel bushing of guiding in hydraulic jack outer setting, plays guide effect to hydraulic jack, prevents the flexural deformation causing hydraulic jack because of overturning moment.
Accompanying drawing explanation
Fig. 1 is structural entity scheme of installation of the present invention;
Fig. 2 is chain type cutting units structural representation;
Fig. 3 is structural section figure of the present invention;
Fig. 4 is oil cylinder structure of hydraulic schematic diagram.
In figure: 1, left cutting units, 2, left rocking arm, 3, coal-winning machine fuselage, 4, right rocking arm, 5, right cutting units, 6, auxiliary support apparatus, 7, drive unit, 8, pedestal, 9, cutter chain, 10, bearing pin
, 11, fluid pressure line connects fenestella, 12, guiding outer steel sleeve, 13, steel bushing in guiding, 14, bearing pin
, 15, chain wheel set; 16, hydraulic jack.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Wherein, the present invention is with accompanying drawing 3 for benchmark, and the left and right, upper and lower of accompanying drawing 3 is of the present invention left and right, upper and lower.Should mainly arrive: unless specifically stated otherwise, otherwise positioned opposite, numerical value of the parts of setting forth in the present embodiment etc. is not limited to scope of the present invention.
As shown in Figure 3, a kind of for coal-winning machine chain type cutting units auxiliary support apparatus, comprising:
Pedestal 8;
Described pedestal 8 end connects the guiding outer steel sleeve 12 play the guiding role, and guiding outer steel sleeve 12 is by bearing pin I 10 connecting fluid compressing cylinder 16 cylinder ends; Namely hydraulic jack 16 is with the steel bushing 12 that leads for origin of force, and guiding outer steel sleeve 12, for the guide effect of hydraulic jack 16, prevents the flexural deformation causing hydraulic cylinder 16 because of overturning moment;
Described hydraulic jack 16 cylinder ends is put in guiding outer steel sleeve 12, guiding steel bushing 13 put into by tailpiece of the piston rod; In described guiding, steel bushing 13 is by pin shaft II 14 connecting fluid compressing cylinder 16 tailpiece of the piston rod; Namely in hydraulic jack 16 piston rod control guiding, steel bushing 13 moves, and wherein, in guiding, steel bushing 13 effect acts on identical with guiding outer steel sleeve 12.
Wherein, in guiding, steel bushing 13 right part and chain wheel set 15 are fixed, and chain wheel set 15 engages with cut chain 9 under hydraulic jack 16 acts on.
Further, the present invention also comprises: the connection fluid pressure line for fluid pressure line connects fenestella 10, and it is arranged on guiding outer steel sleeve 12 surface, and it passes in and out the installation of pipeline for hydraulic jack 16.
Wherein, the quantity of this auxiliary support apparatus 6 is at least one, can be arranged in left cutting units 1 and also can be arranged in right cutting units 5.
Further, pedestal 8 with guiding outer steel sleeve 12 connected mode for welding, this connected mode is simply effective.
Wherein, in described guiding, steel bushing 16 end and chain wheel set 15 fixed form are for welding, and this connected mode is simply effective.
Carry out in cut coal cutting process at cutter chain 9, auxiliary support apparatus 6 carries out supplemental support; When cutter chain 9 tensioning degree does not reach requirement, auxiliary support apparatus 6 hydraulic jack extends, and carries out tensioning; Guiding outer steel sleeve 12 and the interior steel bushing 13 of guiding prevent overturning moment from causing bending failure to hydraulic jack.
In sum, the present invention, on original basis, adds auxiliary support apparatus 6, can carry out supplemental support to cutter chain 9 and the excessive place of rib contact stress, and cutter chain open 9 tight degree inadequate time, carry out auxiliary tensioning;
And steel bushing 13 in guiding outer steel sleeve 12 and guiding, plays guide effect to hydraulic jack 16, prevents the flexural deformation causing hydraulic jack 16 because of overturning moment in hydraulic jack 16 outer setting.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only preferred embodiment of the present invention; not in order to limit the present invention, every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solution of the present invention.
Claims (5)
1., for a coal-winning machine chain type cutting units auxiliary support apparatus, it is characterized in that, comprising:
Pedestal (8);
Described pedestal (8) end connects the guiding outer steel sleeve (12) play the guiding role, and guiding outer steel sleeve (12) is by bearing pin I (10) connecting fluid compressing cylinder (16) cylinder ends;
Described hydraulic jack (16) cylinder ends is put in guiding outer steel sleeve (12), guiding steel bushing (13) put into by tailpiece of the piston rod; In described guiding, steel bushing (13) is by pin shaft II (14) connecting fluid compressing cylinder (16) tailpiece of the piston rod;
Wherein, in guiding, steel bushing (13) right part and chain wheel set (15) are fixed, and chain wheel set (15) engages with cut chain (9) under hydraulic jack (16) effect.
2. one according to claim 1 is used for coal-winning machine chain type cutting units auxiliary support apparatus, it is characterized in that, also comprises: the connection fluid pressure line for fluid pressure line connects fenestella (10), and it is arranged on guiding outer steel sleeve (12) surface.
3. one according to claim 1 and 2 is used for coal-winning machine chain type cutting units auxiliary support apparatus, and it is characterized in that, the quantity of auxiliary support apparatus 6 is at least one.
4. one according to claim 1 and 2 be used for coal-winning machine chain type cutting units auxiliary support apparatus, it is characterized in that, described pedestal (8) with lead outer steel sleeve (12) connected mode for welding.
5. one according to claim 1 and 2 is used for coal-winning machine chain type cutting units auxiliary support apparatus, and it is characterized in that, in described guiding, steel bushing (13) end and chain wheel set (15) fixed form are for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427145.4A CN105114073A (en) | 2015-07-20 | 2015-07-20 | Auxiliary support device for chain cutting unit of coal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427145.4A CN105114073A (en) | 2015-07-20 | 2015-07-20 | Auxiliary support device for chain cutting unit of coal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105114073A true CN105114073A (en) | 2015-12-02 |
Family
ID=54662159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427145.4A Pending CN105114073A (en) | 2015-07-20 | 2015-07-20 | Auxiliary support device for chain cutting unit of coal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114073A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927237A (en) * | 2016-06-07 | 2016-09-07 | 建研地基基础工程有限责任公司 | Chain tool device for undermining-method metro station assembling construction |
| CN106368616A (en) * | 2016-07-18 | 2017-02-01 | 中天建设集团有限公司 | Pouring square pile drill bit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE865189A (en) * | 1978-03-22 | 1978-07-17 | Madrigali Luigi | ROCK HAVING DEVICE |
| US5641058A (en) * | 1994-04-16 | 1997-06-24 | Westfalia Becorit Industrietechnik Gmbh | Method and a device for tensioning endless drive belts |
| CN201300498Y (en) * | 2008-10-24 | 2009-09-02 | 宋举成 | Saw wire tensioning device of wire saw |
| CN201507310U (en) * | 2009-07-29 | 2010-06-16 | 江阴市巨鹰机械有限公司 | Digger traveling mechanism |
| CN101948045A (en) * | 2010-08-13 | 2011-01-19 | 宁夏天地奔牛实业集团有限公司 | Control device for automatic tension degree of chain |
| CN102691500A (en) * | 2011-03-19 | 2012-09-26 | 刘素华 | Sawing-impacting coal cutter |
| CN102748020A (en) * | 2011-04-21 | 2012-10-24 | 刘素华 | Coal mining excavation saw |
-
2015
- 2015-07-20 CN CN201510427145.4A patent/CN105114073A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE865189A (en) * | 1978-03-22 | 1978-07-17 | Madrigali Luigi | ROCK HAVING DEVICE |
| US5641058A (en) * | 1994-04-16 | 1997-06-24 | Westfalia Becorit Industrietechnik Gmbh | Method and a device for tensioning endless drive belts |
| CN201300498Y (en) * | 2008-10-24 | 2009-09-02 | 宋举成 | Saw wire tensioning device of wire saw |
| CN201507310U (en) * | 2009-07-29 | 2010-06-16 | 江阴市巨鹰机械有限公司 | Digger traveling mechanism |
| CN101948045A (en) * | 2010-08-13 | 2011-01-19 | 宁夏天地奔牛实业集团有限公司 | Control device for automatic tension degree of chain |
| CN102691500A (en) * | 2011-03-19 | 2012-09-26 | 刘素华 | Sawing-impacting coal cutter |
| CN102748020A (en) * | 2011-04-21 | 2012-10-24 | 刘素华 | Coal mining excavation saw |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927237A (en) * | 2016-06-07 | 2016-09-07 | 建研地基基础工程有限责任公司 | Chain tool device for undermining-method metro station assembling construction |
| CN106368616A (en) * | 2016-07-18 | 2017-02-01 | 中天建设集团有限公司 | Pouring square pile drill bit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |