CN211110002U - Shallow car coal unloading ditch - Google Patents
Shallow car coal unloading ditch Download PDFInfo
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- CN211110002U CN211110002U CN201922125125.8U CN201922125125U CN211110002U CN 211110002 U CN211110002 U CN 211110002U CN 201922125125 U CN201922125125 U CN 201922125125U CN 211110002 U CN211110002 U CN 211110002U
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Abstract
The utility model discloses a shallow automobile coal unloading ditch, which comprises an underground coal hopper, an airplane beam and an impeller coal feeder, wherein the number of the airplane beam is more than 1; the shallow car coal unloading ditch still includes: the working surface is fixedly connected to the lower parts of the side walls on two sides of the central axis of the underground coal hopper in the length direction; the impeller coal feeder is a bridge type bilateral impeller coal feeder and is arranged on a gap between the operation surface and an airplane beam or a gap between the airplane beam and the airplane beam; the coal separation cone is arranged on a gap between the operation surface and the airplane beam or a gap between the airplane beam and the airplane beam; and the sealing baffles are rotatably arranged at the left side and the right side of the coal dividing cone and rotate around a shaft to close and open the gap between the operation surface and the airplane beam or the gap between the airplane beam and the airplane beam. The problems that the prior art is poor in geological adaptability, serious in pulverized coal leakage, large in pulverized coal conveying energy consumption and large in construction difficulty are solved.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, especially, relate to a shallow car coal discharge ditch.
Background
1) The traditional automobile coal unloading ditch is typically designed by adopting a single-peak double-slit design, the section diagram of the automobile coal unloading ditch is shown in figure 1, wherein the slopes of two side walls of an underground coal bucket are specified to be unchangeable due to standard requirements, the width of an opening at the lower part of the underground coal bucket is also specified to be unchangeable due to the radius limitation of a bridge type impeller coal feeder, under the general geological condition, if the width of the opening at the upper part of the underground coal bucket is 10m, the underground excavation depth is about 12m in consideration of the civil construction depth, and for silt geology, the excavation depth is not more than 7m, which obviously exceeds the underground excavation depth limitation, so the traditional design is not suitable for the silt geology and has poor geological adaptability;
2) in the traditional automobile coal unloading ditch, in order to prevent coal dust leakage, the lower end of the side wall of an underground coal hopper adopts a sealing baffle 7 arranged outside the underground coal hopper to shield the coal dust leakage, but the shielding effect of the coal dust is not good, and the coal dust leakage is large;
3) the traditional automobile coal unloading ditch is deep, a belt conveyor needs to convey coal to the ground from the underground with the depth of 12m, and the energy consumption is huge;
4) the traditional automobile coal unloading ditch has large earth volume, deeper digging depth and large construction difficulty.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the utility model aims at providing a shallow automobile coal unloading ditch.
The technical scheme of the utility model is that: a shallow automobile coal unloading ditch, which comprises an underground coal hopper, an airplane beam and an impeller coal feeder,
the number of the airplane beams is more than 1, and the airplane beams are arranged at the opening at the lower part of the underground coal hopper and distributed along the length direction of the underground coal hopper;
the shallow car coal unloading ditch still includes:
the coal feeder comprises an operation surface, a coal hopper, a coal feeder;
the impeller coal feeder is a bridge type bilateral impeller coal feeder and is arranged on a gap between the operation surface and an airplane beam or a gap between the airplane beam and the airplane beam;
the coal distributing cone is arranged on a gap between the working surface and the airplane beam or a gap between the airplane beam and the airplane beam, and completely shields the shaft part of the impeller coal feeder;
and the sealing baffles are rotatably arranged at the left side and the right side of the coal dividing cone and rotate around a shaft to close and open the gap between the operation surface and the airplane beam or the gap between the airplane beam and the airplane beam.
Further, the coal-dividing cone is a triangular prism with an upward pointed top, and the angle of the vertex angle is smaller than 45 degrees.
Furthermore, the partition wall on the upper part of the airplane beam is a triangular prism with an upward pointed top, and the angle of the top angle is smaller than 45 degrees.
Further, still include:
the coal unloading device comprises a coal unloading grid, wherein an opening at the upper part of the underground coal hopper is sealed by the coal unloading grid, a baffle plate parallel to the horizontal plane is welded on a transverse plate or a vertical plate of the coal unloading grid, and the central axis of the baffle plate in the length direction coincides with the joint of the transverse plate or the vertical plate of the coal unloading grid.
Furthermore, the upper surface of the baffle is provided with grooves which are uniformly distributed along the length direction of the baffle.
The utility model has the advantages that:
compared with the prior art, the utility model uses the bridge type bilateral impeller coal feeder to work on the working face and the side table surface of the airplane beam simultaneously through the working face arranged at the opening of the underground coal hopper,
1) under the condition that the slope of the side wall of the underground coal bunker is not changed and the depth of the underground coal bunker does not exceed the standard, the volume of the underground coal bunker is increased, the coal capacity is met, and the adaptability to geology is better;
2) the sealing baffle arranged inside the underground coal bunker is used for shielding the leakage of the coal dust, the operation is directly carried out in the underground coal bunker, even if the coal dust leaks, the coal dust also leaks into the underground coal bunker, and therefore, less coal dust leaks outwards;
3) the underground coal unloading ditch is shallow in depth, the lifting height of the belt conveyor for conveying the coal powder from the bottom of the coal unloading ditch to the ground is lower, and the energy is saved;
4) the earth volume is less, and the excavation depth is shallower for the construction degree of difficulty is lower.
Drawings
FIG. 1 is a cross-sectional view of a coal discharge ditch of the background art of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a partial view of the sealing baffle of the present invention;
FIG. 4 is a perspective view of the coal discharge grate of the present invention;
fig. 5 is a partial view of the present invention at fig. 4A;
FIG. 6 is a bottom view of the coal discharge grate of the present invention;
fig. 7 is a partial view of the present invention at fig. 6B.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
example 1 was carried out: referring to fig. 2 to 7, the shallow coal unloading ditch for the automobile comprises an underground coal bunker 1, aircraft beams 3 and an impeller coal feeder 2, wherein the number of the aircraft beams 3 is more than 1, and the aircraft beams 3 are arranged at the lower opening of the underground coal bunker 1 and distributed along the length direction of the underground coal bunker 1; the shallow car coal unloading ditch still includes: the coal feeder comprises a working surface 101, wherein the working surface 101 is fixedly connected to the lower parts of the side walls of the two sides of the central axis of the underground coal hopper 1 in the length direction, the working surface 101 is positioned on one side of the central axis close to the underground coal hopper 1 in the length direction, the working surface 101 and the side table surface 301 of an airplane beam 3 are positioned on the same horizontal plane, and a gap between the working surface 101 and the airplane beam 3 is matched with the coal impeller feeder 2 or a gap between the airplane beam 3 and the airplane beam 3 is matched with the coal impeller feeder 2; the impeller coal feeder 2 is a bridge type bilateral impeller coal feeder, and the impeller coal feeder 2 is arranged on a gap between the operation surface 101 and the airplane beam 3 or a gap between the airplane beam 3 and the airplane beam 3; the coal distributing cone 4 is arranged on a gap between the working surface 101 and the airplane beam 3 or a gap between the airplane beam 3 and the airplane beam 3, and the shaft part of the impeller coal feeder 2 is completely shielded by the coal distributing cone 4; and the sealing baffles 6 are rotatably arranged at the left side and the right side of the coal separation cone 4, and the sealing baffles 6 rotate around a shaft to close and open the gap between the operation surface 101 and the airplane beam 3 or the gap between the airplane beam 3 and the airplane beam 3.
The utility model realizes the increase of the volume of the underground coal bunker 1 by arranging the operation surface at the opening of the underground coal bunker 1 and using a bridge type bilateral impeller coal feeder to work on the operation surface 101 and the side table surface 301 of the airplane beam 3 at the same time under the condition of not changing the gradient of the side wall of the underground coal bunker 1 and not exceeding the standard of the depth of the underground coal bunker 1, thereby meeting the coal capacity and having better adaptability to the geology; the sealing baffle 6 arranged inside the underground coal hopper 1 is used for shielding the leakage of the coal dust, the operation is directly carried out in the underground coal hopper 1, and the leakage of the coal dust is also leaked into the underground coal hopper 1, so that less coal dust is leaked outwards; the underground coal unloading ditch is shallow in depth, the lifting height of the belt conveyor for conveying the coal powder from the bottom of the coal unloading ditch to the ground is lower, and the energy is saved; the earth volume is less, and the excavation depth is shallower for the construction degree of difficulty is lower.
Further, the coal-dividing cone 4 is a triangular prism with an upward pointed top, and the angle of the vertex angle is smaller than 45 degrees. .
The included angle of the triangular cone body is smaller than 45 degrees, so that when the pulverized coal contacts the surface of the coal distribution cone 4, the bonding force of the pulverized coal and the surface of the coal distribution cone 4 is smaller than the force of the gravity of the pulverized coal which inclines downwards along the surface of the coal distribution cone 4, and the pulverized coal cannot be accumulated on the surface of the coal distribution cone 4.
Further, the partition wall 302 on the upper portion of the aircraft beam 3 is a triangular prism with an upward pointed top, and the angle of the top angle is less than 45 °.
The included angle of the triangular cone is less than 45 degrees, so that when the pulverized coal contacts the surface of the partition wall 302, the bonding force of the pulverized coal and the surface of the partition wall 302 is less than the force of the gravity of the pulverized coal which slants downwards along the surface of the partition wall 302, and the pulverized coal cannot be accumulated on the surface of the partition wall 302.
Further, still include: the coal unloading device comprises a coal unloading grid 5, wherein an opening at the upper part of the underground coal hopper 1 is sealed by the coal unloading grid 5, a baffle 503 parallel to the horizontal plane is welded on a horizontal plate 501 or a vertical plate 502 of the coal unloading grid 5, and the central axis of the baffle 503 in the length direction coincides with the joint of the horizontal plate 501 or the vertical plate 502 of the coal unloading grid 5.
Unloading coal grid 5 when using, often take place the coal cinder stifled in the check between diaphragm 501 and riser 502 to be difficult to the clearance, block the coal cinder that the size is greater than the check length and width between diaphragm 501 and riser 502 on unloading coal grid upper portion through baffle 503, avoid the coal cinder card in the check between diaphragm 501 and riser 502, it is also more convenient to clear up.
Further, the upper surface of the baffle 503 is provided with grooves 504 uniformly distributed along the length direction thereof.
The grooves 504 increase the friction on the upper surface of the coal discharge grate 5 so that the vehicle does not slip when running thereon.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. A shallow coal unloading ditch for an automobile comprises an underground coal hopper (1), an airplane beam (3) and an impeller coal feeder (2),
the number of the airplane beams (3) is more than 1, and the airplane beams (3) are arranged at the opening at the lower part of the underground coal hopper (1) and are distributed along the length direction of the underground coal hopper (1);
the shallow car coal unloading ditch still includes:
the coal mining machine comprises a working surface (101), wherein the working surface (101) is fixedly connected to the lower portions of the side walls of the two sides of the central axis of the underground coal hopper (1) in the length direction, the working surface (101) is positioned on one side of the central axis close to the underground coal hopper (1) in the length direction, the working surface (101) and the side table surface (301) of an airplane beam (3) are positioned on the same horizontal plane, and a gap between the working surface (101) and the airplane beam (3) is matched with an impeller coal feeder (2) or a gap between the airplane beam (3) and the airplane beam (3) is matched with the impeller coal feeder (2);
the coal feeder (2) is a bridge type bilateral impeller coal feeder, and the coal feeder (2) is arranged on a gap between the operation surface (101) and the airplane beam (3) or a gap between the airplane beam (3) and the airplane beam (3);
the coal distributing cone (4) is arranged on a gap between the operation surface (101) and the airplane beam (3) or a gap between the airplane beam (3) and the airplane beam (3), and the shaft part of the impeller coal feeder (2) is completely shielded by the coal distributing cone (4);
the sealing baffle plates (6) are rotatably arranged on the left side and the right side of the coal separation cone (4), and the sealing baffle plates (6) rotate around a shaft to close and open the gap between the operation surface (101) and the airplane beam (3) or the gap between the airplane beam (3) and the airplane beam (3).
2. The shallow car coal unloading ditch of claim 1,
the coal separating cone (4) is a triangular prism with an upward pointed top, and the angle of the vertex angle is smaller than 45 degrees.
3. The shallow car coal unloading ditch of claim 1,
the partition wall (302) on the upper portion of the airplane beam (3) is a triangular prism with an upward pointed top, and the angle of the pointed top is smaller than 45 degrees.
4. The shallow car coal unloading ditch of claim 1, further comprising:
coal unloading grid (5), underground coal scuttle (1) upper portion opening part is sealed by coal unloading grid (5), welding baffle (503) parallel with the horizontal plane on horizontal board (501) or riser (502) of coal unloading grid (5), the axis of baffle (503) length direction coincides with the junction of horizontal board (501) or riser (502) of coal unloading grid (5).
5. The shallow car coal unloading ditch of claim 4,
the upper surface of the baffle (503) is provided with grooves (504) which are uniformly distributed along the length direction of the baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125125.8U CN211110002U (en) | 2019-12-02 | 2019-12-02 | Shallow car coal unloading ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125125.8U CN211110002U (en) | 2019-12-02 | 2019-12-02 | Shallow car coal unloading ditch |
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| Publication Number | Publication Date |
|---|---|
| CN211110002U true CN211110002U (en) | 2020-07-28 |
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| CN201922125125.8U Active CN211110002U (en) | 2019-12-02 | 2019-12-02 | Shallow car coal unloading ditch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937414A (en) * | 2019-12-02 | 2020-03-31 | 中国电建集团贵州电力设计研究院有限公司 | Shallow car coal unloading ditch structure |
| CN111731881A (en) * | 2020-08-03 | 2020-10-02 | 中国电建集团贵州电力设计研究院有限公司 | Rotary drum type automobile coal unloading ditch and control method |
-
2019
- 2019-12-02 CN CN201922125125.8U patent/CN211110002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937414A (en) * | 2019-12-02 | 2020-03-31 | 中国电建集团贵州电力设计研究院有限公司 | Shallow car coal unloading ditch structure |
| CN111731881A (en) * | 2020-08-03 | 2020-10-02 | 中国电建集团贵州电力设计研究院有限公司 | Rotary drum type automobile coal unloading ditch and control method |
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