CN213682254U - Soil layer stripping excavator for open pit coal mine - Google Patents
Soil layer stripping excavator for open pit coal mine Download PDFInfo
- Publication number
- CN213682254U CN213682254U CN202022574084.3U CN202022574084U CN213682254U CN 213682254 U CN213682254 U CN 213682254U CN 202022574084 U CN202022574084 U CN 202022574084U CN 213682254 U CN213682254 U CN 213682254U
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- bucket
- excavator
- arc
- wall
- coal mine
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- 239000002689 soil Substances 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000005484 gravity Effects 0.000 abstract description 9
- 230000003749 cleanliness Effects 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- -1 silt Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of opencast coal mines, in particular to a soil stripping excavator for an opencast coal mine, which comprises a frame, wherein the bottom of the frame is provided with wheels, the top of the frame is respectively and rotatably connected with a control room and a big arm, one end of the big arm far away from the frame is rotatably connected with a small arm, one end of the small arm far away from the big arm is rotatably connected with a bucket, and the opening part of the bucket is provided with a shovel tooth, the utility model has simple structure and convenient use, can drive an inner arc plate to tightly adhere to the inner wall of the bucket by the self gravity of excavated earth, can realize the effect of simultaneously scraping the inner wall and the outer wall of the bucket by utilizing the back and forth movement of the inner arc plate through the lightening of the gravity after dumping, improves the cleanliness of the inclination, simultaneously reduces the falling of the earth on the outer wall of the bottom, reduces the labor intensity, greatly improves the, thereby making the earth-digging work easier.
Description
Technical Field
The utility model relates to an opencut coal mine technical field especially relates to an excavator is peeled off to soil layer for opencut coal mine.
Background
Excavators, also known as excavators, are earth moving machines that excavate material above or below a load bearing surface with a bucket and load it into a transport vehicle or unload it to a stockyard. The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction.
Current soil layer is peeled off excavator when digging the earth and toppling over, carry out in close contact with soil when digging, it is big to lead to earth and scraper bowl adhesion strength, it is unclean to topple over easily, and a large amount of earth also adheres to easily to the bottom outer wall of scraper bowl, if not in time clear up, in the transportation shake process of making a round trip, the earth that leads to the scraper bowl bottom very easily drops subaerial, lead to increasing the work load of clearance after the fact, improve intensity of labour, so we propose a soil layer for opencut coal mine and peel off excavator, be used for solving the above-mentioned problem.
Disclosure of Invention
The utility model aims at solving and exist among the prior art and empty unclean, the earth of scraper bowl bottom drops easily in addition and transports subaerially, leads to increasing the work load of clearance afterwards, improves intensity of labour's shortcoming, and the excavator is peeled off to a soil layer for opencut coal mine that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a soil layer stripping excavator for an open pit coal mine comprises a machine base, wheels are arranged at the bottom of the machine base, the top of the machine base is respectively and rotatably connected with a control room and a big arm, one end of the big arm, far away from the machine base, is rotatably connected with a small arm, one end of the small arm, far away from the big arm, is rotatably connected with a bucket, a shovel tooth is arranged at an opening of the bucket, an inner wall of one side, far away from the opening, of the bucket is respectively provided with an arc-shaped concave surface and an inclined plane, the arc-shaped concave surface is positioned below the inclined plane, the inner wall of the bottom of the bucket is slidably connected with an inner arc-shaped plate, one side, far away from the opening, of the inner arc-shaped plate is movably attached to the inclined concave surface, one side of the inclined plane is slidably connected with a sliding plate, one side of the sliding plate and the top of one side of the inner arc, the other end of the movable rod extends to the outer side of the bucket and is fixedly connected with an outer arc-shaped plate, and the bottom end of the outer arc-shaped plate is provided with an outer scraping assembly.
Preferably, scrape the steel sheet of subassembly including fixed connection arc bottom, the bottom of steel sheet contacts with the bottom inner wall of scraper bowl, and one side symmetry sliding connection that the steel sheet kept away from each other has two first spacing sliding sleeves, and the bottom of two first spacing sliding sleeves is close to open-ended one side fixed connection with the bottom inner wall of scraper bowl respectively, can make the steel sheet keep in close contact with the slip all the time with the bottom inner wall of scraper bowl through first spacing sliding sleeve.
Preferably, a plurality of through-holes have evenly been seted up at the top of steel sheet, move through the steel sheet and drive the through-hole and remove, can play the effect of scraping the pine to the earth of adhering to the fastening, can play the effect that the vibrations were unloaded native simultaneously.
Preferably, the thickness of the steel plate is 1cm, and the effect of scraping soil can be improved by the thin steel plate.
Preferably, the scraper bowl is located a plurality of springs of one side outer wall fixedly connected with of arc concave surface, and the other end of a plurality of springs respectively with outer arc-shaped plate be close to one side fixed connection of scraper bowl, can play the effect that resets to outer arc-shaped plate through the spring.
Preferably, scrape the subassembly outward and include two travelers of symmetry fixed connection in outer arc bottom both sides, the top of two travelers all is equipped with the spout, the bottom outer wall symmetry of scraper bowl is equipped with two slide rails, and two spouts respectively with two slide rail sliding connection, the equal slip cap of one side that outer arc board was kept away from to two travelers is equipped with the spacing sliding sleeve of second, the top of the spacing sliding sleeve of two second respectively with the bottom outer wall fixed connection of scraper bowl, through the cooperation of spout and slide rail, the slip of the traveller of being convenient for, can play the stable slip effect of support to the traveller through the spacing sliding sleeve of second simultaneously.
Preferably, two a plurality of fixed plates of equidistance fixedly connected with between the traveller, the top of a plurality of fixed plates all contacts with the bottom outer wall of scraper bowl, drives fixed plate round trip movement through the traveller, can strike off scraper bowl bottom outer wall adnexed earth.
Preferably, a plurality of the equal fixedly connected with hang plate in bottom of fixed plate not only can play the effect that the slope dropped to the earth of scraping off through the hang plate, can also reduce the contact friction with the soil layer when carrying out the work of digging earth, and then improve the effect of digging earth.
Preferably, the bottom ends of the inclined plates are provided with sawteeth, and the digging can be easier through the contact of the sawteeth and the soil layer.
Preferably, it is a plurality of the cross section of fixed plate is down trapezoidal, is convenient for strike off earth through falling trapezoidal setting.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the contact friction force between the bottom of the bucket and the soil layer can be reduced through the extrusion contact between the inclined plate and the soil layer, so as to improve the soil digging effect, and the soil digging can be easier through the sawtooth part;
2. the utility model discloses in, can drive the fixed plate through the hang plate atress and remove, drive two travelers simultaneously and remove, and then drive the outer arc board and remove, the outer arc board removes simultaneously and can drive the movable rod outwards to remove, and drive the interior arc slip and paste with the arc concave surface tightly, the connecting plate drives the slide and upwards slides and paste with the tilt plane tightly simultaneously, can drive the steel sheet and inwards move when the interior arc moves, after the completion of digging, the opening tilt up of scraper bowl, earth piles up in the scraper bowl this moment, and make the interior arc board hug closely with the arc concave surface all the time through the self gravity of earth;
3. in the utility model, the opening of the bucket is controlled to incline downwards and dump earth, at the moment, the outer arc plate is driven to move reversely under the action of the spring, the movable rod is driven to move inwards, the inner arc plate is driven to move outwards at the same time, and then the steel plate is driven to move outwards;
4. in the utility model, the sliding column can be driven to move reversely through the movement of the outer arc plate, so as to drive the fixed plate to move reversely, thereby realizing the scraping effect on the outer wall soil at the bottom of the scraper bucket, and simultaneously, the scraped soil is guided to slide through the inclined plate, thereby reducing the dropping of the soil in the transportation process, reducing the labor intensity and greatly improving the practicability;
5. the utility model discloses in, whole process need not additionally to provide the power supply, can realize the mud scraping effect to the scraper bowl inside and outside wall through the self gravity with the contact atress of soil layer and earth, plays the effect of novel environmental protection, and the practicality is strong.
The utility model discloses simple structure, high durability and convenient use, self gravity through excavation back earth can drive interior arc board and tightly paste the scraper bowl inner wall, through the lightening of gravity after empting, the round trip movement that can utilize interior arc board realizes carrying out the effect of scraping mud simultaneously to the bottom inner wall and the outer wall of scraper bowl, improve the cleanliness factor of slope, reduce dropping of bottom outer wall earth simultaneously, reduce intensity of labour, the practicality is greatly improved, and utilize the hang plate can reduce the frictional force of digging, thereby make more light of work of digging.
Drawings
Fig. 1 is a schematic view of the overall structure of a soil stripping excavator for an open pit coal mine according to the present invention;
FIG. 2 is a schematic view of a bucket structure of a soil stripping excavator for an open pit coal mine according to the present invention;
FIG. 3 is a cross-sectional view of a bucket construction of a soil stripping excavator for an open pit coal mine according to the present invention;
FIG. 4 is a top view of a connecting structure of an inner arc plate and a steel plate of the soil stripping excavator for the open pit coal mine according to the present invention;
fig. 5 is a perspective view of a connection structure of an outer arc plate and a sliding column of the soil stripping excavator for the open pit coal mine according to the present invention;
fig. 6 is a perspective view of a connection structure of a fixed plate and an inclined plate of the soil layer stripping excavator for the open pit coal mine.
In the figure: 1. a machine base; 2. a wheel; 3. a control room; 4. a large arm; 5. a small arm; 6. a bucket; 7. relieving teeth; 8. an inner arc-shaped plate; 9. a slide plate; 10. a connecting plate; 11. a steel plate; 12. a first limiting sliding sleeve; 13. a through hole; 14. a movable rod; 15. an outer arc plate; 16. a spring; 17. a traveler; 18. a second limiting sliding sleeve; 19. a chute; 20. a fixing plate; 21. an inclined plate; 22. and (4) a sawtooth part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a soil layer stripping excavator for opencast coal mine comprises a machine base 1, wheels 2 are arranged at the bottom of the machine base 1, the top of the machine base 1 is respectively and rotatably connected with a control chamber 3 and a big arm 4, one end of the big arm 4 far away from the machine base 1 is rotatably connected with a small arm 5, one end of the small arm 5 far away from the big arm 4 is rotatably connected with a bucket 6, an opening of the bucket 6 is provided with a shovel tooth 7, the inner wall of one side of the bucket 6 far away from the opening is respectively provided with an arc-shaped concave surface and an inclined plane, the arc-shaped concave surface is positioned below the inclined plane, the inner wall of the bottom of the bucket 6 is slidably connected with an inner arc-shaped plate 8, one side of the inner arc-shaped plate 8 far away from the opening is movably attached with the inclined concave surface, one side of the inclined plane is slidably connected with a sliding, one side activity of arc concave surface is run through and is had movable rod 14, movable rod 14's one end extend to the inside of scraper bowl 6 and with one side fixed connection of interior arc board 8, the other end of movable rod 14 extends to the outside of scraper bowl 6 and the outer arc board 15 of fixedly connected with, the bottom of outer arc board 15 is equipped with outer scraping assembly.
The self gravity of earth can drive through excavating back the interior arc board and tightly paste the scraper bowl inner wall, through the lightening of gravity after empting, the round trip movement that can utilize interior arc board realizes scraping the effect of mud simultaneously to the bottom inner wall and the outer wall of scraper bowl, improves the cleanliness factor of slope, reduces dropping of bottom outer wall earth simultaneously, reduces intensity of labour, has improved the practicality greatly to utilize the hang plate can reduce the frictional force of digging, thereby make the light more of work of digging.
In the utility model, the inner scraping component comprises a steel plate 11 fixedly connected with the bottom end of an inner arc plate 8, the bottom of the steel plate 11 is contacted with the inner wall of the bottom of a bucket 6, one side of the steel plate 11 which is far away from each other is symmetrically and slidably connected with two first limiting sliding sleeves 12, the bottoms of the two first limiting sliding sleeves 12 are respectively and fixedly connected with one side of the inner wall of the bottom of the bucket 6 which is close to an opening, the steel plate 11 can always keep close contact and slide with the inner wall of the bottom of the bucket 6 through the first limiting sliding sleeves 12, a plurality of through holes 13 are uniformly arranged at the top of the steel plate 11, the through holes 13 are driven to move through the movement of the steel plate 11, the effect of scraping loose earth adhered and fastened can be achieved, meanwhile, the effect of vibrating and unloading earth can be achieved, the thickness of the steel plate 11 is 1cm, the effect of scraping earth can be improved through the, the other ends of the springs 16 are fixedly connected with one side of the outer arc plate 15 close to the bucket 6 respectively, the outer arc plate 15 can be reset through the springs 16, the outer scraping assembly comprises two sliding columns 17 which are symmetrically and fixedly connected with two sides of the bottom end of the outer arc plate 15, sliding grooves 19 are formed in the tops of the two sliding columns 17, two sliding rails are symmetrically arranged on the outer wall of the bottom of the bucket 6, the two sliding grooves 19 are respectively and slidably connected with the two sliding rails, second limiting sliding sleeves 18 are slidably sleeved on one sides of the two sliding columns 17 far away from the outer arc plate 15, the tops of the two second limiting sliding sleeves 18 are respectively and fixedly connected with the outer wall of the bottom of the bucket 6, the sliding columns 17 can slide conveniently through the matching of the sliding grooves 19 and the sliding rails, meanwhile, the sliding columns 17 can be supported and stably through the second limiting sliding sleeves 18, and a plurality of fixing plates 20 are fixedly connected between the two sliding, the top of a plurality of fixed plates 20 all contacts with the bottom outer wall of scraper bowl 6, drive fixed plate 20 round trip movement through traveller 17, can strike off scraper bowl 6 bottom outer wall adnexed earth, the equal fixedly connected with hang plate 21 in bottom of a plurality of fixed plates 20, not only can play the effect that the slope dropped to the earth of striking off through hang plate 21, can also be when carrying out the excavation work, reduce the contact friction with the soil layer, and then improve the effect of digging, the bottom of a plurality of hang plates 21 all is equipped with sawtooth portion 22, contact through sawtooth portion 22 and soil layer, can make the soil digging lighter, the cross section of a plurality of fixed plates 20 is down trapezoidal, be convenient for striking off earth through falling trapezoidal setting.
The working principle is as follows: firstly, the wheel 2 is convenient for the whole movement of the machine base 1, then the control chamber 3 is used for controlling the big arm 4 and the small arm 5, so that the bucket 6 starts to excavate, when the bucket 6 excavates and removes soil to contact with the soil, the contact friction force between the bottom of the bucket 6 and the soil can be reduced through the extrusion contact between the inclined plate 21 and the soil, and further the excavation effect is improved, the excavation can be more relaxed through the saw tooth part 22, the fixed plate 20 can be driven to move when the inclined plate 21 is stressed, the two sliding columns 17 are driven to move at the same time, and further the outer arc plate 15 is driven to move, at the moment, the spring 16 is in a stretching state, meanwhile, the outer arc plate 15 moves to drive the movable rod 14 to move outwards and drive the inner arc plate 8 to slide and tightly attach to the arc concave surface, and at the same time, the connecting plate 10 drives the sliding plate 9 to slide upwards and tightly, when the inner arc plate 8 moves, the steel plate 11 can be driven to move inwards, after the soil is dug, the opening of the bucket 6 inclines upwards, soil is accumulated in the bucket 6 at the moment, the inner arc plate 8 is always attached to the arc concave surface through the self gravity of the soil, when the soil is operated to a dumping place, the opening of the bucket 6 inclines downwards and is dumped, the outer arc plate 15 is driven to move reversely under the action of the spring 16, the movable rod 14 is driven to move inwards, the inner arc plate 8 is driven to move outwards at the same time, the steel plate 11 is driven to move outwards, the soil attached to the inner wall of the bottom of the bucket 6 can be loosened by driving the through hole 13 to move, meanwhile, the soil can be driven to slide downwards through the vibration of the steel plate 11, the dumping thoroughness is improved, meanwhile, the sliding column 17 can also be driven to move reversely when the outer arc plate 15 moves, and then drive fixed plate 20 reverse movement to this realization is to the effect of striking off of 6 bottom outer wall earth of scraper bowl, leads the landing through hang plate 21 to the earth of striking off simultaneously, thereby has reduced dropping of earth on the way of the transportation, has reduced intensity of labour, has improved the practicality greatly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A soil layer stripping excavator for an open pit coal mine comprises a machine base (1), wheels (2) are arranged at the bottom of the machine base (1), the top of the machine base (1) is respectively and rotatably connected with a control room (3) and a big arm (4), one end, far away from the machine base (1), of the big arm (4) is rotatably connected with a small arm (5), one end, far away from the big arm (4), of the small arm (5) is rotatably connected with a bucket (6), an opening of the bucket (6) is provided with a shovel tooth (7), the soil layer stripping excavator is characterized in that the inner wall of one side, far away from the opening, of the bucket (6) is respectively provided with an arc-shaped concave surface and an inclined plane, the arc-shaped concave surface is positioned below the inclined plane, the inner wall of the bottom of the bucket (6) is slidably connected with an inner arc-shaped plate (8), one side, far, one side of slide (9) is rotated with one side top of interior arc (8) and is connected with same connecting plate (10), be equipped with on interior arc (8) and scrape the subassembly, one side activity of arc concave surface is run through has movable rod (14), the one end of movable rod (14) extend to the inside of scraper bowl (6) and with one side fixed connection of interior arc (8), the other end of movable rod (14) extends to the outside and the outer arc (15) of fixedly connected with of scraper bowl (6), the bottom of outer arc (15) is equipped with the outer subassembly of scraping.
2. The soil stripping excavator for the open pit coal mine according to claim 1, wherein the inner scraping assembly comprises a steel plate (11) fixedly connected to the bottom end of the inner arc-shaped plate (8), the bottom of the steel plate (11) is in contact with the inner wall of the bottom of the bucket (6), two first limiting sliding sleeves (12) are symmetrically and slidably connected to the side, away from each other, of the steel plate (11), and the bottoms of the two first limiting sliding sleeves (12) are fixedly connected to the side, close to the opening, of the inner wall of the bottom of the bucket (6) respectively.
3. The soil stripping excavator for an open pit coal mine according to claim 2, wherein a plurality of through holes (13) are uniformly formed at the top of the steel plate (11).
4. The soil stripping excavator for an open pit coal mine according to claim 2, wherein the thickness of the steel plate (11) is 1 cm.
5. The soil stripping excavator for an open pit coal mine according to claim 1, wherein a plurality of springs (16) are fixedly connected to the outer wall of the bucket (6) on one side of the arc-shaped concave surface, and the other ends of the plurality of springs (16) are respectively fixedly connected to one side of the outer arc-shaped plate (15) close to the bucket (6).
6. The soil stripping excavator for the open pit coal mine according to claim 1, wherein the outer scraping assembly comprises two sliding columns (17) symmetrically and fixedly connected to two sides of the bottom end of the outer arc-shaped plate (15), sliding grooves (19) are formed in the tops of the two sliding columns (17), two sliding rails are symmetrically formed in the outer wall of the bottom of the bucket (6), the two sliding grooves (19) are respectively in sliding connection with the two sliding rails, a second limiting sliding sleeve (18) is slidably sleeved on one side, away from the outer arc-shaped plate (15), of the two sliding columns (17), and the tops of the two second limiting sliding sleeves (18) are respectively and fixedly connected with the outer wall of the bottom of the bucket (6).
7. The soil stripping excavator for an open pit coal mine according to claim 6, wherein a plurality of fixing plates (20) are fixedly connected between two said sliding columns (17) at equal intervals, and the tops of the plurality of fixing plates (20) are all in contact with the outer wall of the bottom of the bucket (6).
8. The soil stripping excavator for an open pit coal mine according to claim 7, wherein an inclined plate (21) is fixedly attached to the bottom of each of the plurality of fixed plates (20).
9. The soil stripping excavator for an open pit coal mine according to claim 8, wherein the bottom ends of the plurality of inclined plates (21) are each provided with a serration (22).
10. The soil stripping excavator for an open pit coal mine according to claim 7, wherein a plurality of said retainer plates (20) are each of an inverted trapezoidal shape in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022574084.3U CN213682254U (en) | 2020-11-10 | 2020-11-10 | Soil layer stripping excavator for open pit coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022574084.3U CN213682254U (en) | 2020-11-10 | 2020-11-10 | Soil layer stripping excavator for open pit coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213682254U true CN213682254U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022574084.3U Expired - Fee Related CN213682254U (en) | 2020-11-10 | 2020-11-10 | Soil layer stripping excavator for open pit coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213682254U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354705A (en) * | 2022-10-17 | 2022-11-18 | 山东明宇重工机械有限公司 | Loader with automatic discharging function |
| CN115478573A (en) * | 2022-09-28 | 2022-12-16 | 徐州万茂机械制造有限公司 | But dilatation formula excavator bucket |
-
2020
- 2020-11-10 CN CN202022574084.3U patent/CN213682254U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478573A (en) * | 2022-09-28 | 2022-12-16 | 徐州万茂机械制造有限公司 | But dilatation formula excavator bucket |
| CN115478573B (en) * | 2022-09-28 | 2024-04-09 | 徐州万茂机械制造有限公司 | But dilatation formula digger bucket |
| CN115354705A (en) * | 2022-10-17 | 2022-11-18 | 山东明宇重工机械有限公司 | Loader with automatic discharging function |
| CN115354705B (en) * | 2022-10-17 | 2023-01-10 | 山东明宇重工机械有限公司 | Loader with automatic discharging function |
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Granted publication date: 20210713 |