CN101931166A - Electric cabinet and coal cutter - Google Patents
Electric cabinet and coal cutter Download PDFInfo
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- CN101931166A CN101931166A CN 201010266922 CN201010266922A CN101931166A CN 101931166 A CN101931166 A CN 101931166A CN 201010266922 CN201010266922 CN 201010266922 CN 201010266922 A CN201010266922 A CN 201010266922A CN 101931166 A CN101931166 A CN 101931166A
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- electric cabinet
- transformer
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- base plate
- coal
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Abstract
The invention relates to the technology of coal mining machinery, and discloses an electric cabinet comprising a transformer and a bottom board of the electric cabinet, wherein the bottom of the transformer is fixed with a base the bottom of which is in a slab-plate shape, the bottom of the base is cemented and fixed with the upper surface of the bottom plate of the electronic cabinet. The structure of the electric cabinet is as follows: the bottom of the base fixed with the bottom of the transformer utilizes a slab-plate structure, the bottom of the base can be cemented with the upper surface of the bottom plate of the electronic cabinet; compared with the prior art, the contact area of the transformer and the electric cabinet is larger, the base and the bottom board of the electric cabinet are connected more firmly after being fixed and have stronger loosen anti-seismic function, and relative motion between the transformer and the electric cabinet is not easy to occur, thus the friction is not easy occur to the contact part of the transformer and cables, the insulation layers of the cables can not be damaged, and the failure rate of the whole electrical system is reduced. The invention also discloses a coal cutter with the electric cabinet.
Description
Technical field
The present invention relates to the coal-cutting machinery technical field, relate in particular to a kind of electric cabinet with better anti-seismic performance.The invention still further relates to a kind of coal-winning machine with above-mentioned electric cabinet.
Background technology
Coal-winning machine is the important component part of colliery fully-mechanized mining equipment, and coal-winning machine is a kind ofly to collect mechanical, electric and hydraulic pressure is the heavy mechanical equipment of one, and its work under bad environment is if coal-winning machine breaks down to causing the interruption of whole coal work.
Electrical system is the important component part of coal-winning machine, and the electric cabinet of coal-winning machine is the core of electrical system, and in a single day electric cabinet breaks down, and may cause the whole coal-winning machine can't operate as normal.
Coal-winning machine is when underground work, because the complexity of coal seam thickness and coal bed texture, coal-winning machine can produce vibrations in various degree, this vibrations make the electric component in the electric cabinet that loosening phenomenon take place easily, how making the electric component in the electric cabinet have the function of seismic resistance of loosening, is the technical barrier that those skilled in the art will face.
The shearer haulage transformer is an important electric component in the electric cabinet, in the prior art, the fixed form of shearer haulage transformer as shown in Figure 1, be welded with angle steel 2 ' around the bottom of shearer haulage transformer 1 ', angle steel 2 ' forms firm banking, offer a plurality of screwed holes on the angle steel 2 ', the bottom surface of firm banking and electric cabinet base plate 3 ' are fitted, and the underrun bolt and the electric cabinet base plate of firm banking are fixed.
In long vibrations process, because shearer haulage transformer 1 ' quality is bigger, the bolt that is used to be connected and fixed base and electric cabinet base plate 3 ' takes place loosening easily, in case loosening phenomenon appears in bolt, shearer haulage transformer 1 ' is offset continuous occurrence positions in electric cabinet, shearer haulage transformer 1 ' and the interior cable contact portion generation friction of electric cabinet, excessive friction destroys the insulating barrier of cable easily, the insulating barrier of cable is in a single day destroyed, the lighter causes cable grounding, can cause the generation of situations such as electric short circuit when serious.
Therefore, how to make shearer haulage transformer and being connected of electric cabinet base plate have locking function of seismic resistance, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
First purpose of the present invention provides a kind of electric cabinet, the transformer in this electric cabinet with have stronger locking function of seismic resistance being connected of electric cabinet base plate, the two is difficult for relatively moving.Another object of the present invention provides a kind of coal-winning machine with above-mentioned electric cabinet.
In order to realize above-mentioned first purpose, the invention provides a kind of electric cabinet, comprise transformer, electric cabinet base plate, the bottom of described transformer is fixed with the bottom surface and is flat base, and the upper surface of the bottom surface of described base and the base plate of described electric cabinet posts and fixes.
Preferably, described base extends the outer, bottom of described transformer, and described base is connected with described electric cabinet base plate by bolt.
Preferably, be provided with inner liner between described base and the described electric cabinet base plate.
Preferably, described inner liner is the heat-conducting silicone grease layer.
Preferably, the thickness of described inner liner is between 1.5mm～3mm.
Preferably, described base is the steel plate that shape matches with described electric cabinet base plate.
Electric cabinet provided by the invention comprises transformer, electric cabinet base plate, and the bottom of described transformer is fixed with the bottom surface and is flat base, and the upper surface of the bottom surface of described base and described electric cabinet base plate posts and fixes.The electric cabinet of this structure, adopt slab construction with the bottom surface of the fixing base in the bottom of transformer, can fit with the upper surface of electric cabinet base plate in the bottom surface of this base, compared with prior art, the contact area of transformer and electric cabinet base plate is bigger, after described base and electric cabinet base plate are fixing, connection between the two is more firm, has the stronger function of seismic resistance that loosens, transformer and electric cabinet base plate are difficult for relatively moving, and then make transformer and cable contact portion be difficult for producing friction, can not destroy the insulating barrier of cable, reduce the failure rate of whole electrical system.
In addition, because the contact area of transformer and electric cabinet base plate becomes big, the heat that transformer produces in the work engineering can well be passed to the electric cabinet base plate, has improved the radiating effect of transformer.
In the preferred version, between described base and described electric cabinet base plate, be provided with inner liner.Under the action of gravity of transformer, can get rid of the air gap between described base and the electric cabinet base plate, make that the air pressure between base and the electric cabinet base plate is lower, effect by atmospheric pressure, can strengthen the applying power between transformer and the electric cabinet base plate, make transformer more firm with being connected of electric cabinet base plate, transformer is difficult to break away from the binding force of electric cabinet base plate when vibrations; Simultaneously, inner liner can also absorb the vibrations that transformer produces, and has reduced the shockproofness of transformer.
In the more excellent scheme, described inner liner can be the heat-conducting silicone grease layer, the heat-conducting silicone grease layer has good heat-transfer effect, the heat transferred that can better transformer be produced in the course of the work is to the electric cabinet base plate, and the heat that makes transformer produce can distribute to the electric cabinet base plate by base better.
In order to realize above-mentioned second purpose, the present invention also provides a kind of coal-winning machine, and this coal-winning machine has above-mentioned electric cabinet, and described transformer is the shearer haulage transformer.Because above-mentioned electric cabinet has above-mentioned technique effect, the coal-winning machine with this electric cabinet also should have the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation that the transformer of electric cabinet in the prior art is connected with the electric cabinet base plate;
Fig. 2 is the structural representation of a kind of embodiment of electric cabinet provided by the present invention;
Wherein, among Fig. 1-Fig. 2:
Shearer haulage transformer 1 ', angle steel 2 ', electric cabinet base plate 3 ';
Transformer 1, base 2, electric cabinet base plate 3, bolt 4.
Embodiment
First core of the present invention provides a kind of electric cabinet, the transformer in this electric cabinet with have stronger locking function of seismic resistance being connected of electric cabinet base plate, the two is difficult for relatively moving.Another core of the present invention provides a kind of coal-winning machine with above-mentioned electric cabinet.
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 2, Fig. 2 is the structural representation of a kind of embodiment of electric cabinet provided by the present invention.
Please referring to Fig. 2, Fig. 2 is the structural representation of a kind of embodiment of electric cabinet provided by the present invention.
As shown in Figure 2, electric cabinet provided by the invention comprises transformer 1, electric cabinet base plate 3; The bottom of transformer 1 is provided with base 2, and base 2 is fixedlyed connected with the bottom of transformer 1, and base 2 specifically can be fixedlyed connected with transformer 1 by the mode of welding, and the bottom surface of base 2 is tabular, and promptly the bottom surface of base 2 is the plane; Can fit with the upper surface of electric cabinet base plate 3 in the bottom surface of base 2, fixedly connected with electric cabinet base plate 3 in the bottom surface of base 2.
In the embodiment, the rectangle that is shaped as owing to electric cabinet base plate 3, in order to match with the shape of electric cabinet base plate 3 better, the bottom surface of base 2 also can be rectangle, be appreciated that, the shape of the bottom surface of base 2 can have any shape, and the present invention does not limit the shape of the bottom surface of base 2.
In the scheme, base 2 can adopt the steel plate that matches with the electric cabinet bottom more specifically, and the bottom surface of steel plate is tabular, and steel plate can be fitted with electric cabinet base plate 3.
The electric cabinet of this structure, adopt slab construction with the bottom surface of the fixing base 2 in the bottom of transformer 1, can fit with the upper surface of electric cabinet base plate 3 in the bottom surface of this base 2, compared with prior art, transformer 1 is bigger with the contact area of electric cabinet base plate 3, after described base 2 is fixed with electric cabinet base plate 3, connection between the two is more firm, has the stronger function of seismic resistance that loosens, transformer 1 is difficult for relatively moving with electric cabinet base plate 3, and then make transformer 1 and cable contact portion be difficult for producing friction, can not destroy the insulating barrier of cable, reduce the failure rate of whole electrical system.
In the concrete execution mode, base 2 can extend the outer, bottom of transformer 1, the part of extending the outer, bottom of transformer 1 at base 2 can have screwed hole, correspondingly, relevant position at electric cabinet base plate 3 also has screwed hole, and base 2 can be fixedlyed connected by bolt 4 with electric cabinet base plate 3.
In the preferred version, be provided with inner liner between base 2 and the electric cabinet base plate 3, wherein, inner liner fails to show in the drawings.The inner liner that has strain, can discharge air gap between base 2 and the electric cabinet base plate 3 is being set between base 2 and the electric cabinet base plate 3, can making base 2 and electric cabinet base plate 3 fit more closely.
Under the action of gravity of transformer 1, can get rid of the air gap between described base 2 and the electric cabinet base plate 3, make that the air pressure between base 2 and the electric cabinet base plate 3 is lower, effect by atmospheric pressure, can strengthen the applying power between transformer 1 and the electric cabinet base plate 3, make transformer 1 more firm with being connected of electric cabinet base plate 3, transformer 1 is difficult to break away from the binding force of electric cabinet base plate 3 when vibrations; Simultaneously, inner liner can also absorb the vibrations that transformer 1 is produced, and has reduced the shockproofness of transformer 1.
In the more excellent scheme, described inner liner can be the heat-conducting silicone grease layer, the heat-conducting silicone grease layer has good heat-transfer effect, the heat transferred that can better transformer 1 be produced in the course of the work is to electric cabinet base plate 3, and the heat that makes transformer 1 produce can distribute to electric cabinet base plate 3 by base 2 better.
In the more excellent scheme, the thickness of inner liner can be between 1.5mm～3mm, and the inner liner of this thickness can better improve the air-tightness between base 2 and the electric cabinet base plate 3, makes that the applying between the two is tightr, simultaneously, can absorb the vibrations of transformer 1 better.
In the preferred version, the thickness of heat-conducting silicone grease layer can be between 1.5mm～3mm, and the inner liner of this thickness can better transmit the heat that transformer 1 is produced.
Described inner liner is not limited to the heat-conducting silicone grease layer, and inner liner can also adopt rubber layer, composite layer, and all materials with certain elastic deformation amount all can be used as described inner liner, all should be in protection scope of the present invention.
In the foregoing description; base adopts steel plate; base in the electric cabinet provided by the invention is not limited to above-mentioned a kind of structure; the bottom surface of all bases is a plate-like structure; the upper end of base can be arbitrary structures; can guarantee that mainly the intensity that the upper end of base is connected with transformer gets final product, all should be in protection scope of the present invention.
The present invention also provides a kind of coal-winning machine, and this coal-winning machine has above-mentioned electric cabinet, and described transformer is the shearer haulage transformer.Because above-mentioned electric cabinet has above-mentioned technique effect, the coal-winning machine with this electric cabinet also should have the corresponding techniques effect, no longer is described in detail at this.
The above only is the description of the preferred implementation of invention; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an electric cabinet comprises transformer, electric cabinet base plate, it is characterized in that, the bottom of described transformer is fixed with the bottom surface and is flat base, and the upper surface of the bottom surface of described base and the base plate of described electric cabinet posts and fixes.
2. electric cabinet according to claim 1 is characterized in that, described base extends the outer, bottom of described transformer, and described base is connected with described electric cabinet base plate by bolt.
3. electric cabinet according to claim 2 is characterized in that, is provided with inner liner between described base and the described electric cabinet base plate.
4. electric cabinet according to claim 3 is characterized in that, described inner liner is the heat-conducting silicone grease layer.
5. electric cabinet according to claim 4 is characterized in that the thickness of described inner liner is between 1.5mm～3mm.
6. electric cabinet according to claim 1 is characterized in that, described base is the steel plate that shape matches with described electric cabinet base plate.
7. a coal-winning machine is characterized in that, this coal-winning machine has each described electric cabinet of claim 1-6, and described transformer is the shearer haulage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010266922 CN101931166A (en) | 2010-08-27 | 2010-08-27 | Electric cabinet and coal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010266922 CN101931166A (en) | 2010-08-27 | 2010-08-27 | Electric cabinet and coal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101931166A true CN101931166A (en) | 2010-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010266922 Pending CN101931166A (en) | 2010-08-27 | 2010-08-27 | Electric cabinet and coal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101931166A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462961A (en) * | 2018-12-17 | 2019-03-12 | 天地科技股份有限公司上海分公司 | Coal mining machine electric control box fixed form and coal mining machine electric control box fixed structure |
| CN111211514A (en) * | 2020-01-18 | 2020-05-29 | 芜湖明远电力工程咨询设计有限公司 | Medium-voltage gas-insulated metal-enclosed switchgear |
Citations (6)
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| CN2773995Y (en) * | 2005-02-06 | 2006-04-19 | 合肥阳光电源有限公司 | Component configuration structure of photovoltaic inverter connected with power network |
| CN201013380Y (en) * | 2006-10-27 | 2008-01-30 | 三一重型装备有限公司 | Full-automatic tunneling machine |
| CN201251217Y (en) * | 2008-06-26 | 2009-06-03 | 美的集团有限公司 | Commercial microwave oven |
| CN201405179Y (en) * | 2009-05-19 | 2010-02-17 | 青岛和力达电气有限公司 | Metallic clothing welder |
| CN201444725U (en) * | 2009-08-07 | 2010-04-28 | 三一重型装备有限公司 | Mounting structure for main-control box in electric cabinet of coal winning machine |
| CN201805153U (en) * | 2010-08-27 | 2011-04-20 | 三一重型装备有限公司 | Electrical control cabinet and coal mining machine |
-
2010
- 2010-08-27 CN CN 201010266922 patent/CN101931166A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773995Y (en) * | 2005-02-06 | 2006-04-19 | 合肥阳光电源有限公司 | Component configuration structure of photovoltaic inverter connected with power network |
| CN201013380Y (en) * | 2006-10-27 | 2008-01-30 | 三一重型装备有限公司 | Full-automatic tunneling machine |
| CN201251217Y (en) * | 2008-06-26 | 2009-06-03 | 美的集团有限公司 | Commercial microwave oven |
| CN201405179Y (en) * | 2009-05-19 | 2010-02-17 | 青岛和力达电气有限公司 | Metallic clothing welder |
| CN201444725U (en) * | 2009-08-07 | 2010-04-28 | 三一重型装备有限公司 | Mounting structure for main-control box in electric cabinet of coal winning machine |
| CN201805153U (en) * | 2010-08-27 | 2011-04-20 | 三一重型装备有限公司 | Electrical control cabinet and coal mining machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462961A (en) * | 2018-12-17 | 2019-03-12 | 天地科技股份有限公司上海分公司 | Coal mining machine electric control box fixed form and coal mining machine electric control box fixed structure |
| CN111211514A (en) * | 2020-01-18 | 2020-05-29 | 芜湖明远电力工程咨询设计有限公司 | Medium-voltage gas-insulated metal-enclosed switchgear |
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Application publication date: 20101229 |