CN112761635A - Telescopic shovel plate mechanism and heading machine - Google Patents
Telescopic shovel plate mechanism and heading machine Download PDFInfo
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- CN112761635A CN112761635A CN202110193098.7A CN202110193098A CN112761635A CN 112761635 A CN112761635 A CN 112761635A CN 202110193098 A CN202110193098 A CN 202110193098A CN 112761635 A CN112761635 A CN 112761635A
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- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 32
- 210000000078 claw Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/30—Mineral freed by means not involving slitting by jaws, buckets or scoops that scoop-out the mineral
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The embodiment of the invention discloses a telescopic shovel plate mechanism and a heading machine, wherein the telescopic shovel plate mechanism comprises: a main blade (1); the first side shovel plate (2) is arranged on one side of the main shovel plate (1); the second side shovel plate (3) is arranged on the other side of the main shovel plate (1); the first telescopic shovel plate (4) is arranged on one side, far away from the main shovel plate (1), of the first side shovel plate (2) in a telescopic mode through a first telescopic driving piece (41); and/or the second telescopic shovel plate (5) is arranged on one side, far away from the main shovel plate (1), of the second side shovel plate (3) in a telescopic mode through a second telescopic driving piece (51). The mode through flexible shovel board transversely flexible expands width and constriction to the shovel board to adapt to the tunnel of different width, can also reduce the probability that the material is blocked, promote life, and the space that the mode that transversely stretches out and draws back occupy is less, improves the tunnel suitability rate of shovel board.
Description
Technical Field
The invention belongs to the technical field of mining of miners, and particularly relates to a telescopic shovel plate mechanism and a heading machine.
Background
The coal industry has developed to the present day, and the loading shovel plate of the development machine is widely used for underground transportation of coal mines. However, with the continuous improvement of the informatization level and the development of the international market, the existing fixed-width shovel plate structure cannot completely meet the use requirements of different roadway widths.
The loading and transporting mechanism for the traditional heading machine is a star wheel type shovel plate device transportation type, and a fixed width structure of a left shovel plate and a right shovel plate is connected by a main shovel plate so as to meet the requirement of a square roadway. When the mining of the roadway is finished and the narrow and small roadway needs to be mined on the mine side, the tunneling equipment cannot run through the narrow and small roadway due to the influence of the width of the shovel plate. The traditional method mainly adopts two methods to solve the tunneling requirement, wherein the method comprises the following steps: by cutting the side shovel plate structure, the side shovel plate structure is damaged in such a way and cannot be recovered; the second method comprises the following steps: the main shovel plate is fixed, and the left shovel plate and the right shovel plate with smaller width are replaced, so that the narrow roadway is adapted to the requirement. When the roadway with the larger width is mined, the two main shovel plates can be fixed by the method, and the left and right shovel plates with the larger width can be replaced to adapt to the actual transportation requirement. Adopt the mode of changing the side shovel board, at first need dismantle star gear about, then just can dismouting left and right side shovel board. The mode needs to occupy the working time, is installed underground, is limited by the working space, is inconvenient to disassemble and install, and seriously affects the production period of a mine.
Among the prior art, the mode that sets up telescopic shovel board to above-mentioned condition adoption is solved, but telescopic shovel board among the prior art generally adopts rotatory flexible mode, needs great rotation space to and the material blocks easily in rotatory gap when rotatory, influences the use.
Disclosure of Invention
In view of the above problems, the present invention provides a telescopic shovel plate mechanism and a heading machine, so as to overcome the technical problems that the telescopic shovel plate in the prior art generally adopts a rotary telescopic manner, requires a large rotary space, and materials are easily stuck in a rotary gap during rotation, which affects use.
According to a first aspect of an embodiment of the present invention, there is provided a telescopic blade mechanism including:
a main blade;
the first side shovel plate is arranged on one side of the main shovel plate;
the second side shovel plate is arranged on the other side of the main shovel plate;
the first telescopic shovel plate is arranged on one side of the first side shovel plate, which is far away from the main shovel plate, in a telescopic mode through a first telescopic driving piece; and/or the presence of a gas in the gas,
and the second telescopic shovel plate is arranged on one side of the second side shovel plate, which is far away from the main shovel plate, in a telescopic manner through a second telescopic driving piece.
Furthermore, the first telescopic driving piece is a first telescopic oil cylinder, and/or the second telescopic driving piece is a second telescopic oil cylinder.
Furthermore, the first telescopic driving piece is fixed to the outer side of the bottom of the first side shovel plate, and the second telescopic driving piece is fixed to the outer side of the bottom of the second side shovel plate.
Furthermore, the first telescopic shovel plate is arranged on the outer side of the bottom of the first side shovel plate through a first slide rail assembly and is connected with the telescopic end of the first telescopic driving piece; and/or
The second telescopic shovel plate is arranged on the outer side of the bottom of the second side shovel plate through a second sliding rail assembly and is connected with the telescopic end of the second telescopic driving piece.
Further, the number of the first slide rail assembly and/or the second slide rail assembly is at least two.
Further, the first slide rail assembly includes: a first slide rail track and a first slide rail;
the first slide rail track is arranged on the outer side of the bottom of the first side shovel plate, and the first slide rail is arranged on the first telescopic shovel plate, or the first slide rail track is arranged on the first telescopic shovel plate, and the first slide rail is arranged on the outer side of the bottom of the first side shovel plate;
and/or
The second slide rail assembly includes: a second slide rail track and a second slide rail;
the second slide rail track is arranged on the outer side of the bottom of the second side shovel plate, the second slide rail is arranged on the second telescopic shovel plate, or the second slide rail track is arranged on the second telescopic shovel plate, and the second slide rail is arranged on the outer side of the bottom of the second side shovel plate.
Further, the peripheral shape of the first telescopic shovel plate is matched with that of the first side shovel plate; and/or
The peripheral shape of the second telescopic shovel plate is matched with that of the second side shovel plate.
Further, a first enclosing plate is arranged on the periphery of the first telescopic shovel plate; and/or
And a second coaming is arranged at the periphery of the second telescopic shovel plate.
Furthermore, a first limiting structure is arranged on one side, close to the first side shovel plate, of the bottom of the first telescopic shovel plate; and/or
And a second limiting structure is arranged at one side of the bottom of the second telescopic shovel plate, which is close to the second side shovel plate.
According to a second aspect of the embodiments of the present invention, there is provided a heading machine including: the front end of the heading machine body is provided with the telescopic shovel plate mechanism in the first aspect.
The telescopic shovel plate mechanism and the heading machine provided by the embodiment of the invention have the following beneficial effects:
according to the technical scheme, if the tunneling roadway is wide, the shovel plate needs to be widened, the telescopic end of the first telescopic driving piece is started to extend out, the first telescopic shovel plate transversely extends out from the outer side of the first side shovel plate, meanwhile, the telescopic end of the second telescopic driving piece is started to extend out, and the second telescopic shovel plate transversely extends out from the outer side of the second side shovel plate, so that the width of the whole shovel plate can be widened; if it is narrower to tunnel, need carry out the constriction to the shovel board, start the flexible end withdrawal of first flexible driving piece, transversely withdraw to the outside of first side shovel board with first flexible shovel board, start the flexible end withdrawal of the flexible driving piece of second simultaneously, transversely withdraw to the outside of second side shovel board with the flexible shovel board of second, just so can narrow the width of whole shovel board. And then, the mode through the horizontal flexible of flexible shovel board expands width and constriction to the shovel board to adapt to the tunnel of different width, can also reduce the probability that the material is blocked, promote life, and the space that the mode that transversely stretches out and draws back occupy is less, improves the tunnel suitability of shovel board and rates.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
The invention will be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a telescoping blade mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the arrangement of the first and second telescoping drives in the telescoping blade mechanism of an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating the specific arrangement of the first enclosing plate and the second enclosing plate in the telescopic blade mechanism according to the embodiment of the present invention;
FIG. 4 is an extended schematic view of a second telescoping blade of the telescoping blade mechanism of an embodiment of the present invention;
FIG. 5 is a schematic diagram of a first slide rail assembly of the telescopic blade mechanism according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a specific arrangement of a second slide rail assembly of the telescopic blade mechanism according to the embodiment of the present invention.
Description of reference numerals: 1, a main shovel plate;
2 a first side blade, 21 a first slide rail assembly, 211 a first slide rail, 212 a first slide rail;
3 a second side blade, 31 a second slide rail assembly, 311 a second slide rail, 312 a second slide rail;
4, a first telescopic shovel plate, 41 a first telescopic driving piece, 42 a first enclosing plate and 43 a first limiting structure;
5, a second telescopic shovel plate, 51 a second telescopic driving piece, 52 a second enclosing plate and 53 a second limiting structure;
6, a material conveying device;
7 a first drive means, 71 a first starwheel claw;
8 second drive means, 81 second starwheel pawl.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1 to 6, the telescopic blade mechanism of the present embodiment includes: a main blade 1; a first side shovel 2 arranged at one side of the main shovel 1; the second side shovel plate 3 is arranged on the other side of the main shovel plate 1; the first telescopic shovel plate 4 is arranged on one side, far away from the main shovel plate 1, of the first side shovel plate 2 in a telescopic mode through a first telescopic driving piece 41; and/or the second telescopic shovel plate 5 is arranged on one side, far away from the main shovel plate 1, of the second side shovel plate 3 in a telescopic mode through a second telescopic driving piece 51.
If the excavation roadway is wide, the shovel needs to be widened, and as shown in fig. 2, the telescopic end of the first telescopic driving element 41 is started to extend out, so that the first telescopic shovel 4 transversely extends out from the outer side of the first side shovel 2. And/or, the extension of the telescopic end of the second telescopic driving member 51 is started to laterally extend the second telescopic blade 5 from the outer side of the second side blade 3 (as shown in fig. 4), so that the width of the entire blade can be widened.
If the excavation roadway is narrow, the shovel plate needs to be narrowed, the telescopic end of the first telescopic driving piece 41 is started to retract, and the first telescopic shovel plate 4 is transversely retracted to the outer side of the first side shovel plate 2. And/or the telescopic end of the second telescopic driving member 51 retracts to retract the second telescopic blade 5 laterally to the outside of the second side blade 3, thus narrowing the width of the entire blade.
Wherein, the outside of the bottom of the first side shovel plate 2 is the side of the bottom of the first side shovel plate 2 far away from the main shovel plate 1. The outer side of the bottom of the second side shovel plate 3 is the side of the bottom of the second side shovel plate 3 far away from the main shovel plate 1.
The first side shovel plate 2 and the second side shovel plate 3 are both connected with the main shovel plate 1 through bolts and pin shafts. First side shovel board 2 and second side shovel board 3 are connected in main shovel board 1 both sides through the round pin axle to utilize the bolt to fix first side shovel board 2 and second side shovel board 3, make first side shovel board 2 and second side shovel board 3 more firm.
In addition, the fixed end of the first telescopic driving member 41 is transversely fixed at the bottom of the outer side of the first telescopic shovel 2, and the telescopic end of the first telescopic driving member 41 is fixed with the outer end of the first telescopic shovel 4, so that the first telescopic shovel 4 can be driven to transversely extend and retract by the extension and retraction of the telescopic end of the first telescopic driving member 41. Similarly, the fixed end of the second telescopic driving member 51 is transversely fixed at the bottom of the outer side of the second side shovel plate 3, and the telescopic end of the second telescopic driving member 51 is fixed with the outer end of the second telescopic shovel plate 5, so that the second telescopic shovel plate 5 can be driven to transversely stretch by stretching the telescopic end of the second telescopic driving member 51.
Through above-mentioned scheme, utilize flexible shovel board horizontal flexible mode to carry out widening and constriction to the shovel board to adapt to the tunnel of different width, can also reduce the probability that the material is blocked, promote life, and the space that horizontal flexible mode occupy is less, improves the tunnel suitability rate of shovel board.
As shown in fig. 1, the telescopic blade mechanism further includes: the main shovel plate 1 is connected with a material conveying device 6; the first driving device 7 is arranged at the connecting position of the main shovel plate 1 and the first side shovel plate 2 and used for pushing the materials to the material conveying device 6; and the second driving device 8 is arranged at the connecting position of the main shovel plate 1 and the second side shovel plate 3 and used for pushing the materials to the material conveying device 6.
In the above scheme, after the material falls on the main shovel plate 1, the first side shovel plate 2 and the second side shovel plate 3, the first driving device 7 and the second driving device 8 are started, so that the material is pushed to move to the material conveying device, the material is moved away through the material conveying device, and then the progress of mining is accelerated.
First drive arrangement 7 sets up the hookup location at main shovel board 1 and first side shovel board 2 to and second drive arrangement 8 sets up the hookup location at main shovel board 1 and second side shovel board 3, and like this, first drive arrangement 7 and second drive arrangement 8 will be located the center of the central line both sides of whole telescopic shovel board mechanism, guarantee to cover telescopic shovel board mechanism, make the material that falls on telescopic shovel board mechanism can all be pushed to material conveyor by first drive arrangement 7 and second drive arrangement 8.
In order to ensure that the materials can be conveyed more smoothly, a driven wheel is arranged at the joint of the material conveying device and the main shovel plate 1, and the driven wheel is driven to rotate by a driving mechanism, so that the material conveying device can move to convey the materials out.
The first driving device 7 includes: the first driver is arranged at the connecting position of the main shovel plate 1 and the first side shovel plate 2; and the first star wheel claw 71 is arranged on the first driver and used for rotating under the power driving of the first driver so as to push the materials to the material conveying device 6.
The second driving device 8 includes: the second driver is arranged at the connecting position of the main shovel plate 1 and the second side shovel plate 3; and the second star wheel claw 81 is arranged on the second driver and used for rotating under the power driving of the second driver and pushing the materials to the material conveying device 6.
In the above scheme, five wheel claws are respectively arranged on the first star wheel claw 71 and the second star wheel claw 81, and the material can be pushed by rotating the wheel claws. In addition, the wheel claw is a curved wheel claw, and in order to ensure that the material can be pushed to the material conveying device, the first star wheel claw 71 and the second star wheel claw 81 rotate along the curved direction of the curved wheel claw.
In an exemplary embodiment, the first telescopic driver 41 is a first telescopic cylinder and/or the second telescopic driver 51 is a second telescopic cylinder. The telescopic oil cylinder is used as a telescopic driving piece to ensure that the two telescopic shovel plates can extend out and retract more smoothly, and the using effect is improved.
In the exemplary embodiment, first telescoping drive member 41 is secured to the bottom outside of first side blade 2 and second telescoping drive member 51 is secured to the bottom outside of second side blade 3.
In the above scheme, the outer side of the bottom of the first side shovel plate 2 is the side of the bottom of the first side shovel plate 2 far away from the main shovel plate 1. The outer side of the bottom of the second side shovel plate 3 is the side of the bottom of the second side shovel plate 3 far away from the main shovel plate 1. The first telescopic driving member 41 is transversely fixed at the outer side of the bottom of the first side shovel plate 2, and the second telescopic driving member 51 is transversely fixed at the outer side of the bottom of the second side shovel plate 3. With two flexible driving piece settings in the bottom of two side shovel boards, like this, harm flexible driving piece when can avoiding the material to fall.
In a specific embodiment, the first telescopic shovel plate 4 is arranged at the outer side of the bottom of the first side shovel plate 2 through the first slide rail assembly 21, and is connected with the telescopic end of the first telescopic driving element 41; and/or the second telescopic shovel plate 5 is arranged at the outer side of the bottom of the second side shovel plate 3 through the second sliding rail assembly 31 and is connected with the telescopic end of the second telescopic driving member 51.
Through first sliding rail set spare 21 and second sliding rail set spare 31, can make first flexible shovel board 4 and the flexible shovel board 5 of second can stretch out and draw back according to fixed track, avoid first flexible shovel board 4 and the flexible circumstances of shovel board 5 appearance flexible skew of second.
In a specific embodiment, in order to further ensure stability of the first telescopic shovel plate 4 and the second telescopic shovel plate 5 in the telescopic direction, the number of the first sliding rail assembly 21 and/or the second sliding rail assembly 31 is at least two.
In a specific embodiment, as shown in fig. 5, the first slide rail assembly 21 includes: a first slide rail 211 and a first slide rail 212; first slide rail 211 sets up in the bottom outside of first side shovel board 2, and first slide rail 212 sets up on first flexible shovel board 4, and perhaps, first slide rail 211 sets up on first flexible shovel board 4, and first slide rail 212 sets up in the bottom outside of first side shovel board 2.
Wherein, first slide rail track 211 can set up in the bottom outside of first side shovel 2 through welding or the mode of fix with screw, perhaps, the top inboard of first flexible shovel 4 (i.e. the top of first flexible shovel 4 is close to one side of first side shovel 2). The corresponding first sliding rail 212 may be disposed inside the top of first retractable blade 4 (i.e., the side of the top of first retractable blade 4 near first side blade 2) or outside the bottom of first side blade 2 by welding or screwing.
Moreover, the first slide rail 211 is a bar-shaped structure with a convex middle, a groove is arranged in the middle of the first slide rail 212, and the shape and size of the groove are matched with the convex of the first slide rail 211. The length of first slide rail track 211 matches with the width of first telescopic blade 4 for when first slide rail 212 slides on first slide rail track 211, can guarantee that first telescopic blade 4 can wholly stretch out or retract.
And/or
As shown in fig. 6, the second slide rail assembly 31 includes: a second slide rail 311 and a second slide rail 312; second slide rail 311 sets up in the bottom outside of second side shovel 3, and second slide rail 312 sets up on second telescopic shovel 5, and perhaps second slide rail 311 sets up on second telescopic shovel 5, and second slide rail 312 sets up in the bottom outside of second side shovel 3.
The structure and fixing manner of the second slide rail 311 and the second slide rail 312 are the same as those of the first slide rail 211 and the first slide rail 212, so that when the second slide rail 312 slides on the second slide rail 311, the second telescopic blade 5 can be ensured to be integrally extended or retracted.
In the above solution, the first slide rail assembly 21 and the second slide rail assembly 31 both operate through sliding cooperation between the slide rail and the slide rail. The first telescopic shovel plate 4 and the second telescopic shovel plate 5 can be more smoothly telescopic, and the use is not affected by direction deviation.
In a particular embodiment, the peripheral shape of first telescopic blade 4 matches the peripheral shape of first side blade 2; and/or the peripheral shape of the second telescopic shovel plate 5 is matched with the peripheral shape of the second side shovel plate 3. Can guarantee like this that flexible shovel board can guarantee with the perfect laminating of side shovel board after the side shovel board bottom retracts, guarantee overall structure's aesthetic property to and avoid flexible shovel board to retract the back and bulge side shovel board, the condition of damaging flexible shovel board appears easily.
In the exemplary embodiment, as shown in FIG. 3, first retractable blade 4 is provided with a first shroud 42 around its perimeter and second retractable blade 5 is provided with a second shroud 52 around its perimeter.
In the above-described aspect, first apron 42 is provided longitudinally on the outer periphery of first telescopic blade 4, and second apron 52 is also provided longitudinally on the outer periphery of second telescopic blade 5. The height of the two enclosing plates is higher than the tops of the two telescopic shovel plates, and the specific height value can be selected according to actual needs.
Through above-mentioned scheme, utilize first bounding wall 42 and second bounding wall 52 can guarantee that the material can not drop to no matter first flexible shovel 4 and the flexible shovel 5 of second stretch out, first bounding wall 42 and second bounding wall 52 can both expose in the outside, prevent that the material from dropping.
In a specific embodiment, a first limiting structure 43 is arranged at one side of the bottom of the first telescopic shovel plate 4 close to the first side shovel plate 2; and/or a second limit structure 53 is arranged at one side of the bottom of the second telescopic shovel plate 5 close to the second side shovel plate 3. Utilize limit structure can carry on spacingly when flexible shovel board retracts, guarantee that flexible shovel board can retract to accurate position, the displacement can not appear.
A heading machine according to another embodiment of the present invention includes: the front end of the development machine body is provided with the telescopic shovel plate mechanism in the embodiment. The same technical effects as the telescopic blade mechanism in the above embodiment are achieved.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A telescopic blade mechanism, comprising:
a main blade (1);
the first side shovel plate (2) is arranged on one side of the main shovel plate (1);
the second side shovel plate (3) is arranged on the other side of the main shovel plate (1);
the first telescopic shovel plate (4) is arranged on one side, far away from the main shovel plate (1), of the first side shovel plate (2) in a telescopic mode through a first telescopic driving piece (41); and/or the presence of a gas in the gas,
and the second telescopic shovel plate (5) is arranged on one side of the main shovel plate (1) far away from the second side shovel plate (3) in a telescopic mode through a second telescopic driving piece (51).
2. The telescopic blade mechanism of claim 1, wherein said first telescopic drive (41) is a first telescopic cylinder and/or said second telescopic drive (51) is a second telescopic cylinder.
3. The telescopic blade mechanism of claim 1, wherein the first telescopic drive (41) is fixed to the outside of the bottom of the first side blade (2) and the second telescopic drive (51) is fixed to the outside of the bottom of the second side blade (3).
4. The telescopic blade mechanism of claim 3, wherein the first telescopic blade (4) is arranged outside the bottom of the first side blade (2) via a first sliding rail assembly (21) and is connected to the telescopic end of the first telescopic driving member (41); and/or
The second telescopic shovel plate (5) is arranged on the outer side of the bottom of the second side shovel plate (3) through a second sliding rail assembly (31) and is connected with the telescopic end of the second telescopic driving piece (51).
5. The telescopic blade mechanism of claim 4, wherein said first sliding rail assembly (21) and/or said second sliding rail assembly (31) are provided in a number of at least two.
6. The telescopic blade mechanism according to claim 4 or 5, wherein said first sliding track assembly (21) comprises: a first slide rail track (211) and a first slide rail (212);
the first slide rail track (211) is arranged on the outer side of the bottom of the first side shovel plate (2), and the first slide rail (212) is arranged on the first telescopic shovel plate (4), or the first slide rail track (211) is arranged on the first telescopic shovel plate (4), and the first slide rail (212) is arranged on the outer side of the bottom of the first side shovel plate (2);
and/or
The second slide rail assembly (31) comprises: a second slide rail (311) and a second slide rail (312);
the second slide rail track (311) is arranged on the outer side of the bottom of the second side shovel plate (3), the second slide rail (312) is arranged on the second telescopic shovel plate (5), or the second slide rail track (311) is arranged on the second telescopic shovel plate (5), and the second slide rail (312) is arranged on the outer side of the bottom of the second side shovel plate (3).
7. The telescopic blade mechanism according to claim 1, characterized in that the peripheral shape of the first telescopic blade (4) matches the peripheral shape of the first side blade (2); and/or
The peripheral shape of the second telescopic shovel plate (5) is matched with the peripheral shape of the second side shovel plate (3).
8. The telescopic blade mechanism of claim 7, wherein the first telescopic blade (4) is provided with a first apron (42) at its periphery; and/or
And a second enclosing plate (52) is arranged on the periphery of the second telescopic shovel plate (5).
9. The telescopic blade mechanism of claim 7 or 8, wherein a first stop structure (43) is provided at the bottom of the first telescopic blade (4) on the side close to the first side blade (2); and/or
And a second limiting structure (53) is arranged on one side, close to the second side shovel plate (3), of the bottom of the second telescopic shovel plate (5).
10. A heading machine comprising: a heading machine body characterized in that a telescopic blade mechanism according to any one of claims 1 to 9 is provided at a front end of the heading machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193098.7A CN112761635A (en) | 2021-02-20 | 2021-02-20 | Telescopic shovel plate mechanism and heading machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193098.7A CN112761635A (en) | 2021-02-20 | 2021-02-20 | Telescopic shovel plate mechanism and heading machine |
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| CN112761635A true CN112761635A (en) | 2021-05-07 |
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| CN202110193098.7A Pending CN112761635A (en) | 2021-02-20 | 2021-02-20 | Telescopic shovel plate mechanism and heading machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963164A (en) * | 2021-05-19 | 2021-06-15 | 山东汉鑫尊新材料有限公司 | Integral type entry driving machine is used in tunnel tunnelling |
| CN114592864A (en) * | 2022-03-23 | 2022-06-07 | 三一重型装备有限公司 | Shovel plate mechanism and engineering machinery |
| CN114753839A (en) * | 2022-05-16 | 2022-07-15 | 中国煤炭科工集团太原研究院有限公司 | Adjustable loading mechanism of heading machine |
| CN115405322A (en) * | 2021-05-26 | 2022-11-29 | 山东兖煤黑豹矿业装备有限公司 | Shovel plate mechanism and heading machine |
Citations (5)
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| CN112963164A (en) * | 2021-05-19 | 2021-06-15 | 山东汉鑫尊新材料有限公司 | Integral type entry driving machine is used in tunnel tunnelling |
| CN115405322A (en) * | 2021-05-26 | 2022-11-29 | 山东兖煤黑豹矿业装备有限公司 | Shovel plate mechanism and heading machine |
| CN114592864A (en) * | 2022-03-23 | 2022-06-07 | 三一重型装备有限公司 | Shovel plate mechanism and engineering machinery |
| CN114753839A (en) * | 2022-05-16 | 2022-07-15 | 中国煤炭科工集团太原研究院有限公司 | Adjustable loading mechanism of heading machine |
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