CN113753504B - Spiral coal conveying device - Google Patents
Spiral coal conveying device Download PDFInfo
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- CN113753504B CN113753504B CN202111142265.1A CN202111142265A CN113753504B CN 113753504 B CN113753504 B CN 113753504B CN 202111142265 A CN202111142265 A CN 202111142265A CN 113753504 B CN113753504 B CN 113753504B
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- sheet metal
- metal part
- spiral
- conveying
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/265—Screws with a continuous helical surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
- B65G33/18—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with multiple screws in parallel arrangements, e.g. concentric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screw Conveyors (AREA)
Abstract
The invention discloses a spiral coal conveying device which comprises a plurality of connecting units spliced together, wherein adjacent connecting units are connected through a plurality of quick connecting devices; the connecting unit comprises a fourth sheet metal part, and two second sheet metal parts are symmetrically fixed on the fourth sheet metal part along two sides of the fourth sheet metal part in the width direction; one end of the second sheet metal part is provided with a protruding semi-circular body, and the other end of the second sheet metal part is provided with an arc groove matched with the semi-circular body; two groups of spiral conveying rods are symmetrically arranged on the fourth sheet metal part; be equipped with the third sheet metal component that can cover two spiral conveying poles on the fourth sheet metal component, be connected with a plurality of tapered roller bearings on the spiral conveying pole, tapered roller bearing fixes and is used for controlling the unsettled setting of middle part conveying pole on the third sheet metal component, this device can constantly continue at the exploitation in-process, the transmission conveying pole moment of torsion, bearing capacity is high, and stability is high, and it is convenient to connect, adopts wide relatively broad, adaptable slope and trend unstable coal seam that is the fluctuation state, can realize downthehole ventilation.
Description
Technical Field
The invention relates to the field of thin coal seam and protective layer mining, in particular to a spiral coal conveying device.
Background
Rock burst is a difficult problem affecting coal mining safety, and poses great threat to safety production. At present, one of the main measures for preventing coal mine from rushing is to drill holes in a coal seam to release the pressure of the coal seam, but the pressure relief effect is not ideal due to the small pressure relief aperture. The mining of the protective layer can increase the permeability and the air permeability of coal and rock through the mining action, thereby effectively reducing the gas concentration of the protected layer.
The traditional mining of a thin coal seam and a protective layer mainly depends on a coal drilling and mining machine, the width is small at one time, coal pillars are easy to leave, and a single spiral drill rod is used as a drilling tool, so that the drilling and mining process is unstable, and drilling drop and drilling sticking accidents are easy to happen; the spiral drill rods at the front end and the rear end are connected by threads, so that time and labor are consumed for dismounting, the requirement on mounting precision is high, and the threads are easy to lose effectiveness; the ventilation effect is poor, the safety is low, and the development requirements of the times are not met.
Disclosure of Invention
In view of the technical defects, the invention aims to provide a spiral coal conveying device which can continuously transmit the torque of a conveying rod in the mining process, has high bearing capacity, high stability, convenient connection and relatively wide mining width, can adapt to coal seams with unstable inclination and trend and fluctuation states, and can realize ventilation in holes.
In order to solve the technical problems, the invention adopts the following technical scheme: a spiral coal conveying device comprises a plurality of connecting units which are spliced together, wherein two adjacent connecting units are connected together through a plurality of quick connecting devices arranged at the end parts;
the connecting unit comprises a fourth sheet metal part, and two second sheet metal parts are symmetrically fixed on two sides of the fourth sheet metal part along the width direction of the fourth sheet metal part;
one end of the second sheet metal part extends out of the fourth sheet metal part and is provided with a protruding semicircular body, and the other end of the second sheet metal part is provided with an arc groove matched with the semicircular body;
two groups of spiral conveying rods which are arranged along the length direction of the fourth sheet metal part are symmetrically arranged on the fourth sheet metal part;
the spiral material conveying rod comprises a middle material conveying rod and two end material conveying rods connected with two ends of the middle material conveying rod,
a third sheet metal part capable of covering the two spiral conveying rods is arranged on the fourth sheet metal part;
the end part material conveying rod is also connected with a plurality of tapered roller bearings, and the tapered roller bearings are fixed on the third sheet metal part and used for controlling the middle material conveying rod to be suspended.
Preferably, the two ends of the middle material conveying rod and the end material conveying rod are respectively provided with a cross boss and a cross groove which are mutually matched.
Preferably, a first sheet metal part for installing a water pipe and an oil pipe is arranged between the second sheet metal part and the third sheet metal part.
Preferably, the quick connection device is an arrow-shaped structural member, the front end of the arrow is rounded, and the arrow rotates under the action of thrust, so that quick connection is realized.
Preferably, palm-shaped welding plates are arranged on the middle rod bodies of the end material conveying rod and the middle material conveying rod and are palm-shaped and used for transmitting torque and reducing the centering requirement of the spiral material conveying rod.
Preferably, a ventilation pipe is further arranged in the middle of the fourth sheet metal part, the front end of the ventilation pipe is a conical protrusion, the rear end of the ventilation pipe is provided with a conical installation groove matched with the conical protrusion, and a layer of rubber pad is bonded on the outer side of the conical protrusion.
Preferably, the anti-channeling baffle is installed in the outside of circular arc recess on the second sheet metal component, produces horizontal drunkenness when preventing that front and back linkage unit from connecting.
Preferably, two quick connecting devices are respectively arranged at two ends of the connecting unit and are in pin connection with the connecting unit
Preferably, the angle of the arc groove formed in the second sheet metal part is 170 degrees.
The invention has the beneficial effects that:
(1) the spiral coal conveying device is provided with the spiral conveying rods in pairs, so that the stability is high, and the conical roller bearings are arranged at the positions 1/3 and 2/3 of the spiral conveying rods, so that the rotary resistance of the spiral conveying rods is small, and the conveying efficiency is high.
(2) According to the spiral coal conveying device, the connecting unit is of a frame structure, the rigidity is high, the connecting unit is provided with the semicircular lug boss and the arc groove of 170 degrees, the angle adjustment in the mining process is realized, an inclined coal bed can be mined, and the spiral coal conveying device is suitable for the coal bed which is unstable in trend and in a fluctuating state.
(3) The spiral coal conveying device is provided with the quick connection device, is convenient and reliable to connect, and has strong popularization value.
(4) First sheet metal component and second sheet metal component can play the effect of support, prevent the appearance of the hole phenomenon of collapsing, moreover, two sheet metal components have the guide effect equally, prevent the production of helical conveying blade skew phenomenon.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a spiral coal conveying apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second sheet metal part provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third sheet metal part according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a palm weldment according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an end feed rod according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a fast connection device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a vent pipe according to an embodiment of the present invention.
Description of reference numerals:
1. the device comprises a spiral conveying rod 1-1, an end conveying rod 1-2, a middle conveying rod 1-1-1, a palm-shaped welding part 1-1-5, a cross groove 1-4-1, a cross boss 2, a tapered roller bearing 3, a connecting unit 3-1, a first sheet metal part 3-2, a second sheet metal part 3-3, a third sheet metal part 3-4, a fourth sheet metal part 4, a quick connecting device 5, a ventilation pipe 5-4, a rubber pad 7, a T-shaped handle 8 and an anti-channeling baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 7, a spiral coal conveying device comprises a plurality of connecting units 3 spliced together, wherein two adjacent connecting units 3 are connected together through a plurality of quick connecting devices 4 arranged at the end parts;
the connecting unit 3 comprises a fourth sheet metal part 3-4, and two second sheet metal parts 3-2 are symmetrically fixed on two sides of the fourth sheet metal part 3-4 along the width direction;
one end of the second sheet metal part 3-2 extends out of the fourth sheet metal part 3-4 and is provided with a protruding semicircular body, and the other end of the second sheet metal part 3-2 is provided with an arc groove matched with the semicircular body;
the fourth sheet metal part 3-4 is also symmetrically provided with two groups of spiral conveying rods 1 which are arranged along the length direction of the fourth sheet metal part;
the spiral conveying rod 1 comprises a middle conveying rod 1-2 and two end conveying rods 1-1 connected with two ends of the middle conveying rod 1-2,
the fourth sheet metal part 3-4 is provided with a third sheet metal part 3-3 capable of covering the two spiral conveying rods 1;
one end of the end part material conveying rod 1-1, which is close to the middle part material conveying rod 1-2, is also connected with a tapered roller bearing 2, and the tapered roller bearing 2 is fixed on a third sheet metal part 3-3 and used for controlling the middle part material conveying rod 1-2 to be suspended.
The two ends of the middle material conveying rod 1-2 and the end material conveying rod 1-1 are respectively provided with a cross boss 1-4-1 and a cross groove 1-1-5 which are matched with each other, the detachable structure is convenient for installing the tapered roller bearing 2, and the friction force generated in the rotation process of the spiral material conveying rod 1 is reduced.
And a first sheet metal part 3-1 for mounting a water pipe and an oil pipe is arranged between the second sheet metal part 3-2 and the third sheet metal part 3-3.
The quick connection device 4 is an arrow-shaped structural part, the front end of the arrow is rounded, and rotation is achieved under the action of thrust, so that quick connection is achieved.
The middle rod bodies of the end material conveying rods 1-1 and the middle material conveying rods 1-2 are respectively provided with a palm-shaped welding plate 1-1-1, and the palm-shaped welding plates are palm-shaped and used for transmitting torque and reducing the centering requirement of the spiral material conveying rods.
A vent pipe 5 is further arranged in the middle of the fourth sheet metal part 3-4, the front end of the vent pipe 5 is a conical bulge 5-3, the rear end of the vent pipe 5 is provided with a conical installation groove 5-1 matched with the conical bulge 5-3, the outer side of the conical bulge 5-3 is bonded with a layer of rubber pad 5-4, when the spiral conveying mechanism inclines, the inclination angle is compensated, and sealing of the vent pipe 5 is realized when the spiral conveying mechanism is connected.
And the anti-shifting baffle 8 is arranged on the outer side of the arc groove on the second sheet metal part 3-2, so that the front and rear connecting units 3 are prevented from generating transverse shifting when being connected, and certain shifting allowance exists during installation and work.
Two ends of the connecting unit 3 are respectively provided with two quick connecting devices 4, and the quick connecting devices 4 are in pin connection with the connecting unit 3.
The angle of the arc groove formed in the second sheet metal part 3-2 is 170 degrees.
And a T-shaped handle 7 is further arranged on the second sheet metal part 3-2.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A spiral coal conveying device comprises a plurality of connecting units (3) which are spliced together, and is characterized in that two adjacent connecting units (3) are connected together through a plurality of quick connecting devices (4) arranged at the end parts;
the connecting unit (3) comprises a fourth sheet metal part (3-4), and two second sheet metal parts (3-2) are symmetrically fixed on the fourth sheet metal part (3-4) along two sides of the width direction;
one end of the second sheet metal part (3-2) extends out of the fourth sheet metal part (3-4) and is provided with a protruding semicircular body, and the other end of the second sheet metal part (3-2) is provided with an arc groove matched with the semicircular body;
the fourth sheet metal part (3-4) is also symmetrically provided with two groups of spiral conveying rods (1) which are arranged along the length direction of the fourth sheet metal part;
the spiral conveying rod (1) comprises a middle conveying rod (1-2) and two end conveying rods (1-1) connected with the two ends of the middle conveying rod (1-2),
the fourth sheet metal part (3-4) is provided with a third sheet metal part (3-3) capable of covering the two spiral conveying rods (1);
the spiral conveying rod (1) is further connected with a plurality of tapered roller bearings (2), and the tapered roller bearings (2) are fixed on the third sheet metal parts (3-3) and used for controlling the middle conveying rod (1-2) to be suspended;
the quick connection device (4) is an arrow-shaped structural member, the front end of the arrow is rounded, and the arrow rotates under the action of thrust so as to realize quick connection;
palm-shaped welding plates (1-1-1) are arranged on the middle rod bodies of the end part material conveying rods (1-1) and the middle part material conveying rods (1-2), are palm-shaped and are used for transmitting torque and reducing the centering requirement of the spiral material conveying rods;
an anti-shifting baffle (8) is arranged on the outer side of the arc groove on the second sheet metal part (3-2) to prevent the front and rear connecting units (3) from generating transverse shifting during connection;
the lengths of 1/3 and 2/3 of the spiral conveying rod (1) are connected with a tapered roller bearing (2);
the two ends of the middle material conveying rod (1-2) and the end material conveying rod (1-1) are respectively provided with a cross boss (1-4-1) and a cross groove (1-1-5) which are matched with each other;
and a first sheet metal part (3-1) for mounting a water pipe and an oil pipe is arranged between the second sheet metal part (3-2) and the third sheet metal part (3-3).
2. The spiral coal conveying device according to claim 1, wherein a ventilation pipe (5) is further arranged in the middle of the fourth sheet metal part (3-4), a conical protrusion (5-3) is arranged at the front end of the ventilation pipe (5), a conical installation groove (5-1) matched with the conical protrusion (5-3) and the conical protrusion is formed in the rear end of the ventilation pipe (5), and a rubber pad (5-4) is bonded on the outer side of the conical protrusion (5-3).
3. The spiral coal conveying apparatus according to claim 2, wherein: two ends of the connecting unit (3) are respectively provided with two quick connecting devices (4), and the quick connecting devices (4) are in pin connection with the connecting unit (3).
4. A spiral coal conveying apparatus as claimed in claim 3, wherein: the angle of the arc groove formed in the second sheet metal part (3-2) is 170 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142265.1A CN113753504B (en) | 2021-09-28 | 2021-09-28 | Spiral coal conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142265.1A CN113753504B (en) | 2021-09-28 | 2021-09-28 | Spiral coal conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113753504A CN113753504A (en) | 2021-12-07 |
| CN113753504B true CN113753504B (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111142265.1A Active CN113753504B (en) | 2021-09-28 | 2021-09-28 | Spiral coal conveying device |
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| Country | Link |
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| CN (1) | CN113753504B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29921337U1 (en) * | 1999-12-03 | 2000-02-03 | Schmidt & Co Gmbh Kranz | Drill pipe |
| CN203372751U (en) * | 2013-06-19 | 2014-01-01 | 合肥三冠机电设备有限公司 | Quick disassembly and assembly screw feeding mechanism |
| CN103670401B (en) * | 2013-12-31 | 2015-12-09 | 袁伟昊 | A kind of drum shearer that can two-wayly creep into of certainly walking |
| CN106321098B (en) * | 2016-11-18 | 2018-03-16 | 中国矿业大学 | A kind of coal-winning machine automatic operating system and method based on machine vision and Multi-sensor Fusion |
| CN109915147B (en) * | 2019-03-22 | 2024-05-17 | 中国煤炭科工集团太原研究院有限公司 | Quick-connecting transportation unit for open-sky highwall exploitation |
| CN210289655U (en) * | 2019-06-05 | 2020-04-10 | 中煤科工（内蒙古）采矿工程技术有限公司 | Long self-locking spiral drill rod of open-air drilling machine |
| CN112112579B (en) * | 2020-09-30 | 2021-06-15 | 邹城兖矿泰德工贸有限公司 | Hard rock drill rod |
| CN113250610B (en) * | 2021-06-07 | 2022-11-08 | 山东科技大学 | Spiral propelling type underground exploration trolley |
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2021
- 2021-09-28 CN CN202111142265.1A patent/CN113753504B/en active Active
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| CN113753504A (en) | 2021-12-07 |
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