CN213568572U - Waste rock blocking device and rubber belt conveyor equipment - Google Patents
Waste rock blocking device and rubber belt conveyor equipment Download PDFInfo
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- CN213568572U CN213568572U CN202022109641.4U CN202022109641U CN213568572U CN 213568572 U CN213568572 U CN 213568572U CN 202022109641 U CN202022109641 U CN 202022109641U CN 213568572 U CN213568572 U CN 213568572U
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- waste rock
- portal frame
- rock blocking
- blocking plate
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Abstract
The utility model discloses a waste rock blocking device and rubber belt conveyor equipment, which comprises a portal frame, a telescopic oil cylinder, a swing bracket and a waste rock blocking plate; the portal frame comprises portal frame supporting legs and a portal frame beam; the swinging support is pivotally connected with the portal frame supporting leg, and the waste rock blocking plate is fixedly arranged on the swinging support; the cylinder barrel of the telescopic oil cylinder is pivotally connected with the portal frame beam, and the piston rod of the telescopic oil cylinder is pivotally connected with the swing bracket; the waste rock blocking plate is obliquely arranged, and the distance between one end of the waste rock blocking plate and the portal frame beam is greater than the distance between the other end of the waste rock blocking plate and the portal frame beam; and an included angle between the waste rock blocking plate and the portal frame beam is an acute angle. The utility model discloses a keep off cash device and rubber belt conveyor equipment can keep off the waste rock from the transportation sticky tape, realizes automatic fender cash, has simplified the operation link, has improved work efficiency.
Description
Technical Field
The utility model relates to a rubber belt conveyor keeps off cash technical field, especially relates to a keep off cash device and rubber belt conveyor equipment.
Background
When a coal mine stoping roadway is tunneled, lifted, passes through a geological structure zone and reveals gangue inclusions in a coal bed, part of gangue is directly mixed into a tunneling coal flow and enters a main mine transportation system, so that ash content of raw coal exceeds the standard, and the quality of the raw coal does not meet the requirement.
The tunneling working face only has a coal transporting system at present and does not have a special gangue transporting system. In order to improve the coal quality and reduce the mixing of the gangue into the coal, the coal and the gangue are separately loaded and transported at different time periods in the prior art. When the waste rocks appear on the driving face under various conditions, the driving coal is firstly conveyed to a coal bunker in a mining area through a rubber belt conveyor to enter a main mine conveying system, after the driving coal is completely conveyed, the waste rocks are conveyed to the rubber belt conveyor, the waste rocks are manually picked up, and the waste rocks are loaded into a rubber wheel vehicle by a loader and conveyed to a ground waste rock discharge site.
In the prior art, the gangue on the rubber belt conveyor is manually picked up and then loaded on the rubber wheel vehicle by the loader, so that the labor intensity of personnel is high, the efficiency is low, a large amount of operation time is occupied, and the efficiency of a tunneling working face is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can keep off waste rock device and rubber belt conveyor equipment of rubber belt conveyor with the waste rock.
The technical scheme of the utility model provides a waste rock blocking device, which comprises a portal frame, a telescopic oil cylinder capable of stretching back and forth, a swing bracket capable of swinging up and down and a waste rock blocking plate vertically and downwards arranged;
the portal frame comprises two portal frame supporting legs and a portal frame beam connected to the two portal frame supporting legs;
the swinging support is pivotally connected with the two portal frame supporting legs, and the swinging support is positioned below the portal frame beam;
the waste rock blocking plate is fixedly arranged on the swinging support and is positioned on the front side of the portal frame;
the cylinder barrel of the telescopic oil cylinder is pivotally connected with the portal frame beam, and the piston rod of the telescopic oil cylinder is pivotally connected with the swing bracket;
the waste rock blocking plate is obliquely arranged, and the distance between one end of the waste rock blocking plate and the portal frame beam is greater than the distance between the other end of the waste rock blocking plate and the portal frame beam;
and an included angle between the waste rock blocking plate and the portal frame beam is an acute angle.
Further, the swing bracket comprises a connecting frame and two connecting arms connected to two opposite sides of the connecting frame;
the two connecting arms are respectively connected with the two portal frame supporting legs in a pivoting manner, and the waste rock blocking plate is fixedly arranged on the connecting frame;
the piston rod is pivotally connected with the connecting frame.
Furthermore, a limiting plate is arranged on the gantry support leg and below the connecting arm, the limiting plate extends towards the connecting frame, and a guide through hole is formed in the limiting plate;
the connecting arm is provided with a connecting plate extending towards the limiting plate, and the connecting plate is provided with a pin shaft;
the pin shaft is in clearance fit in the guide through hole.
Furthermore, the two portal frame support legs are respectively provided with the limiting plate with the guide through hole, and the two connecting arms are respectively provided with the connecting plate with the pin shaft;
and the two pin shafts are in clearance fit with the two guide through holes respectively.
Furthermore, a connecting frame beam is arranged on the connecting frame;
the connecting frame beam is parallel to the portal frame beam;
the piston rod is pivotally connected with the connecting frame cross beam.
Furthermore, a portal frame base is arranged at the bottom of the portal frame supporting leg;
and the portal frame base is detachably provided with a connecting bolt.
Furthermore, a reinforcing beam is connected between the portal frame base and the portal frame supporting legs.
Further, the bottom of the waste rock blocking plate is provided with a trapezoidal part.
The technical scheme of the utility model also provides a rubber belt conveyor device, which comprises a rubber belt conveyor and the waste rock blocking device of any one of the technical schemes;
the belt conveyor comprises a frame with a conveying belt;
the portal frames in the waste rock blocking device span the left side and the right side of the rack;
the telescopic oil cylinder in the waste rock blocking device has an initial state and an extending state;
when the telescopic oil cylinder is in the initial state, the waste rock blocking plate is separated from the conveying rubber belt, and the waste rock blocking plate is suspended above the conveying rubber belt;
and when the telescopic oil cylinder is in the extending state, the waste rock blocking plate is in contact with the conveying rubber belt.
Furthermore, a waste rock discharge device is further mounted on one side of the rack and is positioned on the front side of the portal frame;
the waste rock discharge device is provided with a waste rock discharge passage, the passage inlet of the waste rock discharge passage is connected to the rack, and the waste rock blocking plate faces the passage inlet and inclines.
By adopting the technical scheme, the method has the following beneficial effects:
when the telescopic oil cylinder is in a contraction state, the swinging bracket drives the waste rock blocking plate to ascend, and the waste rock blocking plate is suspended above the conveying rubber belt, so that coal can be conveyed; when waste rocks appear on the conveying rubber belt, the telescopic oil cylinder can be driven to stretch out, the swing support drives the waste rock blocking plate to descend, the waste rock blocking plate falls onto the conveying rubber belt, and the waste rocks can be blocked out of the conveying rubber belt due to the inclined arrangement of the waste rock blocking plate, so that the automatic waste rock blocking is realized, the operation link is simplified, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of a waste rock blocking device provided in an embodiment of the present invention when a telescopic cylinder is in an extended state;
fig. 2 is a schematic view of a waste rock blocking device provided in an embodiment of the present invention when a telescopic cylinder is in an initial state;
fig. 3 is a top view of a waste rock blocking device according to an embodiment of the present invention;
fig. 4 is a side view of a waste rock blocking device according to an embodiment of the present invention;
fig. 5 is a schematic view of the rubber belt conveyor apparatus according to an embodiment of the present invention, in which the waste rock blocking plate is placed on the conveyor belt when the telescopic cylinder is in the extended state;
fig. 6 is a top view of a belt conveyor apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic view of a gangue stop plate being placed on a belt conveyor;
fig. 8 is a schematic view of the gangue dumping device mounted on one side of the frame.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-4, an embodiment of the present invention provides a waste rock blocking device, which includes a portal frame 1, a telescopic cylinder 2 capable of extending back and forth, a swing bracket 3 capable of swinging up and down, and a waste rock blocking plate 4 vertically arranged downwards.
The portal frame 1 comprises two portal frame supporting legs 11 and a portal frame beam 12 connected to the two portal frame supporting legs 11.
The swing bracket 3 is pivotally connected with two portal frame support legs 11, and the swing bracket 3 is positioned below a portal frame beam 12.
The waste rock blocking plate 4 is fixedly arranged on the swinging support 3, and the waste rock blocking plate 4 is positioned on the front side of the portal frame 1.
The cylinder 21 of the telescopic oil cylinder 2 is pivotally connected with the gantry beam 12, and the piston rod 22 of the telescopic oil cylinder 2 is pivotally connected with the swing bracket 3.
The waste rock blocking plate 4 is obliquely arranged, and the distance between one end of the waste rock blocking plate 4 and the portal frame beam 12 is larger than the distance between the other end of the waste rock blocking plate 4 and the portal frame beam 12.
The included angle between the waste rock blocking plate 4 and the portal frame beam 12 is an acute angle.
The utility model provides a waste rock blocking device is used for installing on the rubber belt conveyor for keep off the waste rock on the transportation sticky tape from transporting the sticky tape.
The waste rock blocking device comprises a portal frame 1, a telescopic oil cylinder 2, a swing bracket 3 and a waste rock blocking plate 4. The gantry 1 is intended to span both sides of the frame 51 of the belt conveyor 5 shown in fig. 5-8.
The portal frame 1 comprises two portal frame supporting legs 11 and a portal frame beam 12, and the portal frame beam 12 is connected to the top ends of the two portal frame supporting legs 11.
During installation, two gantry support legs 1 are installed on two sides of the frame 51, and the gantry beam 12 transversely crosses above the frame 51.
The telescopic cylinder 2 includes a cylinder 21 and a piston rod 22 slidably connected to the cylinder 21. The telescopic cylinder 2 extends forward and backward, and the piston rod 22 thereof is forward and can be extended and retracted forward and backward.
The utility model provides a but pivot joint indicates through pivot or hinged joint between two parts for two parts can rotate relatively.
The rear end of the swing bracket 3 is pivotally connected to the two gantry legs 11 by a pivot shaft 19, so that the swing bracket 3 can swing up and down relative to the gantry legs 11. The swing bracket 3 is located below the gantry beam 12, and the swing bracket 3 extends toward the front side of the gantry 1.
The cylinder 21 is connected to the gantry beam 12 at a middle position by a pivot shaft 13. Specifically, a connection lug 121 is arranged at the middle position of the gantry beam 12, and the pivot shaft 13 is connected with the connection lug 121. The piston rod 22 is pivotally connected to the front half of the swing bracket 3 by a pivot shaft 23. Specifically, a connection tab 310 is provided on the front half of the swing bracket 3, and the pivot shaft 23 is connected to the connection tab 310.
The waste rock blocking plate 4 is fixedly arranged at the front end of the swinging support 3, and the waste rock blocking plate 4 is positioned on the front side of the portal frame 1.
In the vertical direction, the spoilers 4 extend vertically downwards for contact with the underlying conveyor belt 52.
In the horizontal direction, the waste rock retaining plate 4 is arranged obliquely for retaining the rock on the conveyor belt 52 to one side. That is, the waste rock blocking plate 4 inclines towards one side or inclines towards one side, and the distance between one end of the waste rock blocking plate 4 and the portal frame beam 12 is greater than the distance between the other end of the waste rock blocking plate 4 and the portal frame beam 12, so that an acute included angle is formed between the waste rock blocking plate 4 and the portal frame beam 12.
As shown in fig. 2, the telescopic cylinder 2 has a contracted initial state. When the telescopic oil cylinder 2 is in an initial state, the piston rod 22 contracts to drive the swing bracket 3 to swing upwards around the pivot shaft 19, so that the gangue blocking plate 4 rises upwards, the gangue blocking plate 4 is suspended above the conveying rubber belt 52, and the conveying rubber belt 52 can normally convey coal.
As shown in fig. 1, the telescopic cylinder 2 has an extended state. When the telescopic oil cylinder 2 is in an extending state, the piston rod 22 extends to drive the swing support 3 to swing downwards around the pivot shaft 19, the swing support 3 drives the waste rock blocking plate 4 to descend, the waste rock blocking plate 4 falls onto the transportation rubber belt 52, and the waste rock can be blocked out from one side of the transportation rubber belt 52 due to the inclined arrangement of the waste rock blocking plate 4, so that automatic waste rock blocking is realized, the operation link is simplified, and the working efficiency is improved.
In one embodiment, as shown in fig. 3-4, the swing frame 3 includes a connecting frame 31 and two connecting arms 32 connected to opposite sides of the connecting frame 31.
The two connecting arms 31 are respectively connected with the two portal frame supporting legs 11 in a pivoting manner, and the waste rock blocking plate 4 is fixedly arranged on the connecting arms 31.
The piston rod 22 is pivotally connected to the connecting frame 31.
In this embodiment, the connecting frame 31 includes a first supporting rod 311 and a second supporting rod 312, the first supporting rod 311 and the second supporting rod 312 are parallel, the length of the first supporting rod 311 is greater than that of the second supporting rod 312, the rear ends of the first supporting rod 311 and the second supporting rod 312 are respectively connected with a connecting arm 32, the front end of the first supporting rod 311 is located at the front side of the front end of the second supporting rod 312, and the waste rock blocking plate 4 is connected to the front ends of the first supporting rod 311 and the second supporting rod 312, so that the waste rock blocking plate 4 is obliquely arranged.
The connection tabs 310 are disposed on the connection frame 31. The piston rod 22 is connected with the connecting lug 310 through the pivot shaft 23. The two connecting arms 31 are respectively connected with the two gantry support legs 11 through the pivot shafts 19.
In one embodiment, as shown in fig. 1-2, a limiting plate 14 is arranged on the gantry leg 11 below the connecting arm 32, the limiting plate 14 extends towards the connecting frame 31, and a guide through hole 15 is arranged on the limiting plate 14.
The connecting arm 32 is provided with a connecting plate 33 extending toward the stopper plate 14, and the connecting plate 33 is provided with a pin shaft 34. The pin 34 is clearance-fitted in the guide through-hole 15.
In this embodiment, the combination of the limiting plate 14 and the connecting arm 32 can limit the up-and-down swing of the swing bracket 3.
The limiting plate 14 is arranged on the gantry leg 11, is positioned below the connecting arm 32 and extends forwards. The limiting plate 14 is provided with a guide through hole 15, and the guide through hole 15 can be a long-strip-shaped through hole or a circular arc-shaped through hole.
The connecting plate 33 is provided on the connecting arm 32, which extends toward the stopper plate 14. The pin 34 is arranged on the connecting plate 33, and the pin 34 is parallel to the gantry beam 12. The pin shaft 34 is in clearance fit with the guide through hole 15, so that the up-and-down swing of the swing bracket 3 can be limited.
As shown in fig. 1, when the pin 34 is located at the rear end of the guide through hole 15, the telescopic cylinder 2 is in an extended state. As shown in fig. 2, when the pin 34 is located at the front end of the guide through hole 15, the telescopic cylinder 2 is in an initial state.
In one embodiment, a limiting plate 14 with a guiding through hole 15 is respectively arranged on two gantry legs 11, and a connecting plate 33 with a pin 34 is respectively arranged on two connecting arms 32. The two pins 34 are respectively in clearance fit with the two guide through holes 313.
In this embodiment, the up-and-down swing of the swing bracket 3 can be better limited by the combination of two sets of limiting plates 14 and the connecting arm 32.
In one embodiment, as shown in FIG. 3, a connecting frame beam 313 is mounted on the connecting frame 31. The connecting frame beam 313 is parallel to the gantry beam 12. The piston rod 22 is pivotally connected to the link beam 12.
In this embodiment, the connecting frame beam 313 is vertically connected between the first supporting rod 311 and the second supporting rod 312. Attachment tabs 310 are disposed in the middle of attachment frame beam 313. The piston rod 22 is connected with the connecting lug 310 through the pivot shaft 23.
In one embodiment, as shown in fig. 1-2, the bottom of the gantry leg 11 is provided with a gantry base 16. The gantry base 16 is detachably provided with a connecting bolt 17.
In this embodiment, the gantry base 16 is disposed at the bottom of the gantry leg 11, so that the gantry leg can be more stably connected to the ground. Specifically, the gantry base 16 may be mounted on the ground by means of connecting bolts 17 (earth bolts). A plurality of connecting bolts 17 can be arranged on the portal frame base 16.
In one embodiment, as shown in fig. 1-2, a reinforcing beam 18 is connected between the gantry base 16 and the gantry legs 11.
In this embodiment, the reinforcing beam 18 is connected between the gantry base 16 and the gantry support leg 11, so as to improve the connection stability between the gantry base 16 and the gantry support leg 11. Reinforcing beams 18 may be attached to opposite sides of the gantry legs 11 as desired.
In one embodiment, as shown in fig. 3, the bottom of the spoil panel 4 has a trapezoidal portion 41.
In this embodiment, a trapezoidal portion 41 is provided at the bottom of the mine spoil barrier 4. The top side and the bottom side of the trapezoidal portion 41 are short, so that the trapezoidal portion can be better matched with the shape formed by the three carrier rollers 53 shown in fig. 7-8, and can be better contacted with the conveying rubber belt 52 on the carrier rollers 53, so that waste rock blocking is realized.
As shown in fig. 6-8, an embodiment of the present invention provides a belt conveyor apparatus, which includes a belt conveyor 5 and a waste rock blocking device according to any of the foregoing embodiments.
The belt conveyor 5 includes a frame 51 having a conveyor belt 52.
The portal frames 1 in the waste rock blocking device span the left side and the right side of the frame 51.
The telescopic oil cylinder 2 in the waste rock blocking device has an initial state and an extending state.
When the telescopic oil cylinder 2 is in an initial state, the gangue blocking plate 4 is separated from the conveying rubber belt 52, and the gangue blocking plate 4 is suspended above the conveying rubber belt 52.
When the telescopic oil cylinder 2 is in an extending state, the waste rock blocking plate 4 is in contact with the transportation rubber belt 52.
The belt conveyor equipment provided by the embodiment comprises a belt conveyor 5 and a waste rock blocking device.
With regard to the structure, the structure and the working principle of the waste rock blocking device, please refer to the description part of the waste rock blocking device, and the detailed description is omitted.
The belt conveyor 5 comprises a frame 51, a supporting roller 53 is arranged on the frame 51, and a conveying belt 52 is mounted on the supporting roller 53.
During installation, two gantry support legs 1 are installed on two sides of the frame 51, and the gantry beam 12 transversely crosses above the frame 51.
When the telescopic oil cylinder 2 is in an initial state, the piston rod 22 contracts to drive the swing bracket 3 to swing upwards around the pivot shaft 19, so that the gangue blocking plate 4 rises upwards, the gangue blocking plate 4 is suspended above the conveying rubber belt 52, and the conveying rubber belt 52 can normally convey coal.
When the telescopic oil cylinder 2 is in an extending state, the piston rod 22 extends to drive the swing support 3 to swing downwards around the pivot shaft 19, the swing support 3 drives the waste rock blocking plate 4 to descend, the waste rock blocking plate 4 falls onto the transportation rubber belt 52, and the waste rock can be blocked out from one side of the transportation rubber belt 52 due to the inclined arrangement of the waste rock blocking plate 4, so that automatic waste rock blocking is realized, the operation link is simplified, and the working efficiency is improved.
In one embodiment, as shown in fig. 6 and 8, a waste rock discharging device 6 is further installed on one side of the frame 51, and the waste rock discharging device 6 is located on the front side of the portal frame 1.
The waste rock discharge device 6 is provided with a waste rock discharge channel 63, a channel inlet 631 of the waste rock discharge channel 63 is connected to the frame 51, and the waste rock blocking plate 4 inclines towards the channel inlet 631.
The waste rock discharging device 6 comprises two fixing supports 61, each fixing support 61 is provided with a side plate 62, and a bottom plate is connected between the two side plates 62, so that a U-shaped waste rock discharging channel 63 is formed between the bottom plate and the two side plates 62. The channel inlet 631 of the refuse chute 63 is higher than the channel outlet 632. The channel inlet 631 is connected to the frame 51 and the channel outlet 632 is located at one side of the frame 51. The gangue plates 4 are inclined towards the passage inlet 631. One end of the waste rock blocking plate 4, which is closer to the portal frame beam 12, is positioned between the two side plates 62 and is close to the side plate 62 at the rear side. One end of the waste rock blocking plate 4 far away from the portal frame beam 12 is positioned at the other side of the transportation rubber belt 52, so that waste rock blocked by the waste rock blocking plate 4 enters the channel inlet 631 to enter the waste rock discharge channel 63, is discharged onto the roadway bottom plate through the channel outlet 632, and is then loaded into a rubber-tyred vehicle by a loader in a centralized manner to be transported to a waste rock discharge site.
The utility model provides a waste rock blocking device and rubber belt conveyor equipment can intercept the waste rock that rubber belt conveyor transported outside the rubber belt conveyor, has reduced staff's intensity of labour, simplifies the tunnelling working face operation link, has improved work efficiency.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A waste rock blocking device is characterized by comprising a portal frame, a front-back telescopic oil cylinder, a swing bracket capable of swinging up and down and a waste rock blocking plate vertically arranged downwards;
the portal frame comprises two portal frame supporting legs and a portal frame beam connected to the two portal frame supporting legs;
the swinging support is pivotally connected with the two portal frame supporting legs, and the swinging support is positioned below the portal frame beam;
the waste rock blocking plate is fixedly arranged on the swinging support and is positioned on the front side of the portal frame;
the cylinder barrel of the telescopic oil cylinder is pivotally connected with the portal frame beam, and the piston rod of the telescopic oil cylinder is pivotally connected with the swing bracket;
the waste rock blocking plate is obliquely arranged, and the distance between one end of the waste rock blocking plate and the portal frame beam is greater than the distance between the other end of the waste rock blocking plate and the portal frame beam;
and an included angle between the waste rock blocking plate and the portal frame beam is an acute angle.
2. The waste rock blocking device of claim 1, wherein the swing bracket comprises a connecting frame and two connecting arms connected to opposite sides of the connecting frame;
the two connecting arms are respectively connected with the two portal frame supporting legs in a pivoting manner, and the waste rock blocking plate is fixedly arranged on the connecting frame;
the piston rod is pivotally connected with the connecting frame.
3. The waste rock blocking device according to claim 2, wherein a limiting plate is arranged on the gantry support leg below the connecting arm, the limiting plate extends towards the connecting frame, and a guide through hole is formed in the limiting plate;
the connecting arm is provided with a connecting plate extending towards the limiting plate, and the connecting plate is provided with a pin shaft;
the pin shaft is in clearance fit in the guide through hole.
4. The waste rock blocking device according to claim 3, wherein the two gantry legs are respectively provided with a limiting plate with the guide through hole, and the two connecting arms are respectively provided with a connecting plate with the pin shaft;
and the two pin shafts are in clearance fit with the two guide through holes respectively.
5. The waste rock blocking device according to claim 2, wherein a connecting frame beam is mounted on the connecting frame;
the connecting frame beam is parallel to the portal frame beam;
the piston rod is pivotally connected with the connecting frame cross beam.
6. The waste rock blocking device of claim 2, wherein a portal frame base is arranged at the bottom of the portal frame supporting leg;
and the portal frame base is detachably provided with a connecting bolt.
7. The waste rock blocking device of claim 6, wherein a reinforcing beam is connected between the gantry base and the gantry legs.
8. A mine stopping device according to claim 1, characterised in that the bottom of the mine stopping plate has a trapezoidal section.
9. A belt conveyor apparatus, comprising a belt conveyor and the waste rock blocking device of any one of claims 1 to 8;
the belt conveyor comprises a frame with a conveying belt;
the portal frames in the waste rock blocking device span the left side and the right side of the rack;
the telescopic oil cylinder in the waste rock blocking device has an initial state and an extending state;
when the telescopic oil cylinder is in the initial state, the waste rock blocking plate is separated from the conveying rubber belt, and the waste rock blocking plate is suspended above the conveying rubber belt;
and when the telescopic oil cylinder is in the extending state, the waste rock blocking plate is in contact with the conveying rubber belt.
10. The rubber belt conveyor equipment according to claim 9, wherein a gangue discharge device is further installed on one side of the frame, and the gangue discharge device is located on the front side of the portal frame;
the waste rock discharge device is provided with a waste rock discharge passage, the passage inlet of the waste rock discharge passage is connected to the rack, and the waste rock blocking plate faces the passage inlet and inclines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109641.4U CN213568572U (en) | 2020-09-23 | 2020-09-23 | Waste rock blocking device and rubber belt conveyor equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109641.4U CN213568572U (en) | 2020-09-23 | 2020-09-23 | Waste rock blocking device and rubber belt conveyor equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213568572U true CN213568572U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022109641.4U Active CN213568572U (en) | 2020-09-23 | 2020-09-23 | Waste rock blocking device and rubber belt conveyor equipment |
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| CN (1) | CN213568572U (en) |
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- 2020-09-23 CN CN202022109641.4U patent/CN213568572U/en active Active
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