CN203514373U - Electrically-driven hydraulic excavator for underground coal mine - Google Patents
Electrically-driven hydraulic excavator for underground coal mine Download PDFInfo
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- CN203514373U CN203514373U CN201320671494.7U CN201320671494U CN203514373U CN 203514373 U CN203514373 U CN 203514373U CN 201320671494 U CN201320671494 U CN 201320671494U CN 203514373 U CN203514373 U CN 203514373U
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- excavator
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Abstract
Disclosed is an electrically-driven hydraulic excavator for an underground coal mine. The electrically-driven hydraulic excavator comprises a running gear, a driving motor providing power to the running gear, a frame portion arranged on the running gear, a boom and an excavation bucket connected on the frame portion, and a hydraulic power assembly providing power to the boom and the excavation bucket. A telescoping mechanism I and a telescoping mechanism II are arranged on the lower end face of the frame portion, and a telescoping mechanism III is arranged on the upper end face of the frame portion. Telescopic supporting mechanisms are arranged at the upper and lower ends of the frame portion of the excavator, and when the excavator moves to a rugged coal bed surface, the telescopic mechanisms on the upper and lower end faces act and resist the coal bed surface to guarantee overall stability of the excavator and prevent the excavator from centre-of-gravity shift to lean against the coal bed on one side, thus probability of occurrence of coal bed collapse accidents is lowered greatly; therefore, the excavator is simple in structure and also high in safety performance in the process of working under the coal bed, and the complete machine can be adjusted in real time to be in an optimal stable state.
Description
Technical field
The utility model relates to the excavating equipment of using under a kind of colliery, specifically a kind of underground mine use electric drive hydraulic crawler excavator.
Background technology
At present, along with scientific and technological progress, excacation under coal seam all realizes automation mechanized operation, under conventional coal seam, excavate and all need to realize boring, after drawing out methane, then by excavator, entered, because the structure design of conventional excavator is unreasonable, also just cause it to there is following defect: one, employing diesel engine are as power source, and safety is poor under coal seam; Two, due in drill hole of drilling machine process, coal seam falls gradually, also just caused the road surface of excavator walking to be out-of-flatness ground, conventional excavator is the gradient that cannot adjust its domain, therefore along with the raising of bottom gradient, the safety of its work cannot effectively be ensured, usually because centre-of gravity shift causes excavator, tilts in the course of the work, makes its body lean to a side coal bed and occurs the generation of cave-in accident.
Utility model content
The utility model provides a kind of underground mine use electric drive hydraulic crawler excavator, and it is not only simple in structure, and under coal seam in the course of work security performance higher, can adjust in real time complete machine in best stabilized state.
Technical scheme provided by the utility model is: a kind of underground mine use electric drive hydraulic crawler excavator, comprise running gear, the drive motors of power is provided to running gear, be arranged on the rack section on running gear, the hydraulic power pack that is connected to cantilever on rack section and Excavating bucket and power is provided to cantilever and Excavating bucket, described drive motors is provided with cable interface, the cable that connects external power source is powered to drive motors by cable interface, described rack section is arranged on running gear by rotating disc, by rotating disc, can adjust arbitrarily rack section position in the process of walking, described rack section, one side of its lower surface is at least provided with two telescoping mechanism I, one end of telescoping mechanism I is fixedly installed on rack section and perpendicular to rack section, the opposite side that is positioned at rack section is at least provided with two telescoping mechanism II, telescoping mechanism II and rack section are with chain connection, between telescoping mechanism II and rack section, be also provided with the driving oil cylinder of adjusting telescoping mechanism II angle of inclination, the telescoping mechanism I and the telescoping mechanism II that are positioned at rack section both sides be arranged in parallel, on the upper surface of rack section, be also fixedly connected with telescoping mechanism III, described telescoping mechanism I, telescoping mechanism II and telescoping mechanism III, its one end that props up coal bed is all fixedly connected with the push pedal that end face is plane, the push pedal wearing layer that has been sticked on an end face of coal bed, and be provided with limited post on this end face, this limited post one end is fixedly welded on the end face of push pedal, the length that the other end passes wearing layer and stretches out 5-15 ㎜.
Described running gear is track structure.
Described one end of driving oil cylinder and the end face of rack section are with chain connection, and the piston rod of the other end is connected with the sidewall of telescoping mechanism II by hinge.
Described telescoping mechanism I, telescoping mechanism II and telescoping mechanism III are telescopic rod shaped structure.
Described telescoping mechanism I, telescoping mechanism II and telescoping mechanism III are any one in hydraulic jack, cylinder or electric pushrod.
Described limited post, it has double-layer structure, and the column structure that its internal layer is made by steel material, at agent structure outer wrap one deck soft material layer.
The beneficial effects of the utility model are:
One, the utility model, by the rack section upper and lower side at excavator, telescopic supporting mechanism is set respectively, when moving to rugged coal bed, can by the telescoping mechanism of upper and lower end face, move and resist coal bed, guarantee the stable of excavator integral body, prevent excavator centre-of gravity shift and lean to a side coal seam, thereby greatly reduce Coal Seam Collapse accident odds
Therefore this device is not only simple in structure, and under coal seam in the course of work security performance higher, can adjust in real time complete machine in best stabilized state.
Two, in rack section lower surface, one side is vertically disposed telescoping mechanism, and the telescoping mechanism of opposite side is connected with rack section by articulated manner, and can adjust its angle of inclination, and therefore, under coal seam, compliance improves greatly.
Three, at each telescoping mechanism, its one end that props up coal bed is all fixedly connected with the push pedal that end face is plane, the push pedal wearing layer that has been sticked on an end face of coal bed, and be provided with limited post on this end face, this limited post one end is fixedly welded on the end face of push pedal, the length that the other end passes wearing layer and stretches out 5-15 ㎜, adopt structure like this, when it props up coal bed, can maximizedly firmly grasp, can make the more stable of each telescoping mechanism support.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model mid frame part.
Fig. 3 arranges the structural representation of limited post in push pedal in the utility model.
In figure, be labeled as: 1, running gear, 2, drive motors, 3, rack section, 4, cantilever, 5, Excavating bucket, 6, telescoping mechanism I, 7, telescoping mechanism II, 8, drive oil cylinder, 9, telescoping mechanism III, 10, wearing layer, 11, limited post.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further concrete detailed explanation.
As shown in the figure, a kind of underground mine use electric drive hydraulic crawler excavator, comprise running gear 1, the drive motors 2 of power is provided to running gear 1, be arranged on the rack section 3 on running gear, the hydraulic power pack that is connected to cantilever on rack section 4 and Excavating bucket 5 and power is provided to cantilever and Excavating bucket, described drive motors 2 is provided with cable interface, the cable that connects external power source is powered to drive motors by cable interface, adopt motor diesel oil substitute machine as power source, security performance gets a promotion, described rack section 3 is arranged on running gear 1 by rotating disc, by rotating disc, can adjust arbitrarily rack section position in the process of walking, described rack section 3, one side of its lower surface is at least provided with two telescoping mechanism I 6, one end of telescoping mechanism I 6 is fixedly installed on rack section 3 and perpendicular to rack section 3, the opposite side that is positioned at rack section 3 is at least provided with two telescoping mechanism II 7, telescoping mechanism II 7 and rack section 3 are with chain connection, between telescoping mechanism II 7 and rack section 3, be also provided with the driving oil cylinder 8 of adjusting telescoping mechanism II angle of inclination, the telescoping mechanism I 6 and the telescoping mechanism II 7 that are positioned at rack section both sides be arranged in parallel, telescoping mechanism I 6 and telescoping mechanism II 7 are distributed in along the both sides on running gear direction of travel, on the upper surface of rack section 3, be also fixedly connected with telescoping mechanism III 9, described telescoping mechanism I 6, telescoping mechanism II 7 and telescoping mechanism III 9, its one end that props up coal bed is all fixedly connected with the push pedal that end face is plane, the push pedal wearing layer 10 that has been sticked on an end face of coal bed, this wearing layer can be selected the good plastic material of commercially available abrasion resistance, and on this end face, be provided with limited post 11, these limited post 11 one end are fixedly welded on the end face of push pedal, the length that the other end passes wearing layer 10 and stretches out 5-15 ㎜, can be for example 5 ㎜, 10 ㎜ or 15 ㎜ etc.
Described running gear 1 is track structure, adopts cterpillar drive, the move operation under the coal seam of being more convenient for.
One end of described driving oil cylinder 8 and the end face of rack section 3 are with chain connection, and the piston rod of the other end is connected with the sidewall of telescoping mechanism II 7 by hinge, to facilitate the angle adjustment of telescoping mechanism II 7.
Described telescoping mechanism I 6, telescoping mechanism II 7 and telescoping mechanism III 9 are telescopic rod shaped structure, for example: can select any one in hydraulic jack, cylinder or electric pushrod.
Described limited post 11, it has double-layer structure, the column structure that its internal layer is made by steel material, at agent structure outer wrap one deck soft material layer, this soft material layer can adopt material softer and have plastics of certain abrasion resistance.
In this device, cable is powered by intrinsically safe circuit and drive motors, guarantee the safety under colliery, the essential safe type that intrinsic safety described herein is well known to those skilled in the art, it is a kind of classification of specializing in the explosion-proof electric equipment using under coal mine, explosion-proof electric apparatus is divided into the kinds such as flame-proof type, INCREASEDSAFETY, essential safe type, the feature of essential safe type electrical equipment equipment is that its whole circuit are intrinsicallysafecircuit, and the electric spark and the fuel factor that under the malfunction of normal work or regulation, produce all can not be lighted the circuit of the explosive mixture of regulation.
Claims (6)
1. a underground mine use electric drive hydraulic crawler excavator, comprise running gear (1), the drive motors (2) of power is provided to running gear (1), be arranged on the rack section (3) on running gear, the hydraulic power pack that is connected to cantilever (4) on rack section and Excavating bucket (5) and power is provided to cantilever and Excavating bucket, described drive motors (2) is provided with cable interface, the cable that connects external power source is powered to drive motors by cable interface, described rack section (3) is arranged on running gear (1) by rotating disc, by rotating disc, can adjust arbitrarily rack section position in the process of walking, it is characterized in that: described rack section (3), one side of its lower surface is at least provided with two telescoping mechanism I (6), one end of telescoping mechanism I (6) is fixedly installed on rack section (3) and perpendicular to rack section (3), the opposite side that is positioned at rack section (3) is at least provided with two telescoping mechanism II (7), telescoping mechanism II (7) and rack section (3) are with chain connection, between telescoping mechanism II (7) and rack section (3), be also provided with the driving oil cylinder (8) of adjusting telescoping mechanism II angle of inclination, the telescoping mechanism I (6) and the telescoping mechanism II (7) that are positioned at rack section both sides be arranged in parallel, on the upper surface of rack section (3), be also fixedly connected with telescoping mechanism III (9), described telescoping mechanism I (6), telescoping mechanism II (7) and telescoping mechanism III (9), its one end that props up coal bed is all fixedly connected with the push pedal that end face is plane, the push pedal wearing layer (10) that has been sticked on an end face of coal bed, and on this end face, be provided with limited post (11), this limited post (11) one end is fixedly welded on the end face of push pedal, the length that the other end passes wearing layer (10) and stretches out 5-15 ㎜.
2. a kind of underground mine use electric drive hydraulic crawler excavator according to claim 1, is characterized in that: described running gear (1) is track structure.
3. a kind of underground mine use electric drive hydraulic crawler excavator according to claim 1 and 2, it is characterized in that: one end of described driving oil cylinder (8) and the end face of rack section (3) are with chain connection, and the piston rod of the other end is connected with the sidewall of telescoping mechanism II (7) by hinge.
4. a kind of underground mine use electric drive hydraulic crawler excavator according to claim 1 and 2, is characterized in that: described telescoping mechanism I (6), telescoping mechanism II (7) and telescoping mechanism III (9) are telescopic rod shaped structure.
5. a kind of underground mine use electric drive hydraulic crawler excavator according to claim 4, is characterized in that: described telescoping mechanism I (6), telescoping mechanism II (7) and telescoping mechanism III (9) are any one in hydraulic jack, cylinder or electric pushrod.
6. a kind of underground mine use electric drive hydraulic crawler excavator according to claim 5, it is characterized in that: described limited post (11), it has double-layer structure, and the column structure that its internal layer is made by steel material, at agent structure outer wrap one deck soft material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671494.7U CN203514373U (en) | 2013-10-29 | 2013-10-29 | Electrically-driven hydraulic excavator for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671494.7U CN203514373U (en) | 2013-10-29 | 2013-10-29 | Electrically-driven hydraulic excavator for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203514373U true CN203514373U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320671494.7U Expired - Fee Related CN203514373U (en) | 2013-10-29 | 2013-10-29 | Electrically-driven hydraulic excavator for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203514373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803798A (en) * | 2015-09-04 | 2022-07-29 | 三菱电机大楼技术服务株式会社 | Elevator traction machine motor replacing device and elevator traction machine motor replacing method |
-
2013
- 2013-10-29 CN CN201320671494.7U patent/CN203514373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803798A (en) * | 2015-09-04 | 2022-07-29 | 三菱电机大楼技术服务株式会社 | Elevator traction machine motor replacing device and elevator traction machine motor replacing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |