CN112320200A - Large-inclination-angle belt waste rock blocking device - Google Patents
Large-inclination-angle belt waste rock blocking device Download PDFInfo
- Publication number
- CN112320200A CN112320200A CN202011370812.7A CN202011370812A CN112320200A CN 112320200 A CN112320200 A CN 112320200A CN 202011370812 A CN202011370812 A CN 202011370812A CN 112320200 A CN112320200 A CN 112320200A
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- waste rock
- rock blocking
- inclination
- curtain frame
- steel sheet
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- 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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
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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)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a large-inclination-angle belt waste rock blocking device which comprises a waste rock blocking curtain frame, wherein the waste rock blocking curtain frame is of an inverted U-shaped structure, a plurality of waste rock blocking vertical rod installation pieces are arranged on a cross beam of the waste rock blocking curtain frame, a waste rock blocking vertical rod is respectively installed on each waste rock blocking vertical rod installation piece, the plurality of waste rock blocking vertical rod installation pieces are arranged at equal intervals along the length direction of the cross beam, the waste rock blocking device further comprises a cross rod, two ends of the cross rod are respectively fixed to the middle parts of a left side rod of the waste rock blocking curtain frame and a right side rod of the waste rock blocking curtain frame, and a supporting leg is respectively installed at the bottom ends of the left side rod of the waste rock blocking curtain frame and the right side rod of the waste rock blocking curtain. The invention has the following beneficial effects: the safety problem that large-scale coal blocks and waste rocks fall in the transportation process of the underground belt conveyor with the large inclination angle is effectively avoided, the personal safety of pedestrians and maintainers in a roadway is effectively guaranteed, the occupational health safety of underground workers is effectively improved, and underground safety accidents are effectively prevented.
Description
Technical Field
The invention relates to a large-inclination-angle belt waste rock blocking device, and belongs to the technical field of waste rock belt transportation.
Background
In the belt transportation of underworkings, three downhill dip angles that I were under construction in the current stage of ore deposit all are greater than 15, and the bold waste rock can roll down because of the action of gravity in the belt transportation, has the danger that the belt that rolls wounded, and this patent is mainly because the great problem that appears bold waste rock gliding and roll down of slope in the in-process of solving the belt pull-up transportation waste rock.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the invention are as follows: in order to solve one of the problems, a large-inclination-angle belt waste rock blocking device is provided.
The invention relates to a large-inclination-angle belt waste rock blocking device, which is characterized in that: including waste rock blocking curtain frame, waste rock blocking curtain frame is the type of falling U structure, be provided with a plurality of waste rock blocking montant installed parts on the crossbeam of waste rock blocking curtain frame, install a waste rock blocking montant on every waste rock blocking montant installed part respectively, a plurality of waste rock blocking montant installed parts set up along the length direction equidistance interval of crossbeam, still include the horizontal pole, the middle part at waste rock blocking curtain frame left side pole and waste rock blocking curtain frame right side pole is fixed respectively at the both ends of horizontal pole, a supporting leg is installed respectively to the bottom of waste rock blocking curtain frame left side pole and waste rock blocking curtain frame right side pole.
Preferably, the gangue stopping montant installed part includes lower plate and articulated joint, the lower plate is a rectangle steel sheet, has first side, second side, third side and fourth side, first side and third side have grip block A and the grip block B that upwards extends, grip block A and grip block B are parallel to each other, and have the clearance of predetermineeing between them, second side and fourth side have the left side articulated slab and the right side articulated slab that upwards extend, the articulated joint passes through the articulated shaft and is connected with left side articulated slab, right side articulated slab rotation, the other end integrated into one piece of articulated joint has the screw rod section, threaded connection has fastening nut on the screw rod section.
Preferably, the waste rock blocking curtain frame is of an inverted U-shaped structure formed by splicing a left side stand column, an upper cross beam and a right side stand column, the lower ends of the left side stand column and the right side stand column are respectively provided with a supporting leg, and the left side stand column, the upper cross beam and the right side stand column are made of I-shaped steel.
Preferably, the upper cross beam comprises an upper wing plate and a lower wing plate which are parallel to each other, a middle web plate is vertically connected between the upper wing plate and the lower wing plate, a clamping plate through hole A for the clamping plate A to pass through and a clamping plate through hole B for the clamping plate B to pass through are formed in the lower wing plates on two sides of the middle web plate, the upper ends of the clamping plate A and the clamping plate B respectively penetrate through the clamping plate through hole A and the clamping plate through hole B to extend to the lower side of the upper wing plate and abut against the upper wing plate, connecting holes are formed in the clamping plate A, the clamping plate B and the middle web plate, and fastening bolts penetrate through the connecting holes to connect the clamping plate A, the clamping plate B and the middle web plate together.
Preferably, the gangue stopping vertical rod is a metal rod, a bolt hole is formed in the upper end of the gangue stopping vertical rod, a screw rod section is connected in the bolt hole in an internal thread mode, the lower surface of the fastening nut is abutted to the upper end face of the gangue stopping vertical rod, and when the gangue stopping vertical rod is in a vertical state, the upper portion of the gangue stopping vertical rod is abutted to the cross rod.
Preferably, the horizontal pole includes the strip steel sheet A of vertical setting, the both ends of strip steel sheet A welded fastening respectively is in the middle part of left side stand and right side stand, the back vertical welding of strip steel sheet A is fixed with strip steel sheet B, and strip steel sheet B sets up along strip steel sheet A's length direction.
Preferably, the front side surface of the strip-shaped steel plate A is provided with a rubber shock absorption mechanism.
Preferably, rubber damper is including the rubber lantern ring of parcel on strip steel sheet A, set up the opening that supplies strip steel sheet B to pass on the trailing flank of rubber lantern ring, angle steel A and angle steel B are installed respectively to strip steel sheet B's upper surface and lower surface, link together strip steel sheet B, angle steel A and angle steel B through connecting bolt, the rubber lantern ring compresses tightly between angle steel A and strip steel sheet A and angle steel B and strip steel sheet A.
Preferably, the belt waste rock blocking device with the large inclination angle is at least provided with one group.
Preferably, the two groups of the large-inclination-angle belt waste rock blocking devices are arranged, and the first large-inclination-angle belt waste rock blocking device and the second large-inclination-angle belt waste rock blocking device are arranged in the conveying direction of the belt and are arranged at the front and the back of the belt.
Compared with the prior art, the invention has the following beneficial effects: the large-inclination-angle belt waste rock blocking device effectively avoids the safety problem that large coal blocks and waste rocks fall off in the transportation process of a large-inclination-angle underground belt conveyor, effectively guarantees the personal safety of pedestrians and maintainers in a roadway, effectively improves the occupational health safety of underground workers, and effectively prevents underground safety accidents.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first schematic view of the installation of a gangue stopping vertical rod installation part;
FIG. 3 is a second schematic view of the installation of a gangue stopping vertical rod installation member;
FIG. 4 is a schematic structural view of a gangue blocking vertical rod
FIG. 5 is a schematic view of the cross bar structure
FIG. 6 is a schematic structural view of the upper beam (with the upper wing panel removed);
in the figure: 1. the waste rock blocking curtain comprises a waste rock blocking curtain frame 1.1, a left side upright post 1.2, an upper cross beam 1.3, a right side upright post 1.4, an upper wing plate 1.5, a middle web plate 1.6, a lower wing plate 1.7, a clamping plate through hole A1.8, a clamping plate through hole B2, a waste rock blocking vertical rod 3, a waste rock blocking vertical rod mounting piece 3.1, a clamping plate A3.2, a clamping plate B3.3, a fastening bolt 3.4, a lower base plate 3.5, a left side hinged plate 3.6, a right side hinged plate 3.7, a hinged shaft 3.8, a hinged joint 3.9, a screw rod section 3.10, a fastening nut 4, a cross rod 5, a supporting leg 6, a rubber lantern ring 7, an opening 8, angle steel A9, angle steel B10 and.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Examples
As shown in fig. 1-6, big inclination belt waste rock blocking device, including waste rock blocking curtain frame 1, waste rock blocking curtain frame 1 is the type of falling U structure, be provided with a plurality of waste rock blocking montant installed parts 3 on waste rock blocking curtain frame 1's the crossbeam, install a waste rock blocking montant 2 on every waste rock blocking montant installed part 3 respectively, a plurality of waste rock blocking montant installed parts 3 set up along the length direction equidistance interval of crossbeam, still include horizontal pole 4, the middle part at 1 left side pole of waste rock blocking curtain frame and 1 right side pole of waste rock blocking curtain frame is fixed respectively at the both ends of horizontal pole 4, a supporting leg 5 is installed respectively to the bottom of 1 left side pole of waste rock blocking curtain frame and 1 right side pole of waste rock blocking curtain frame.
In this embodiment, the gangue stopping vertical rod mounting member 3 comprises a lower base plate 3.4 and a hinge joint 3.8, the lower base plate 3.4 is a rectangular steel plate and is provided with a first side edge, a second side edge, a third side edge and a fourth side edge, the first side edge and the third side edge are provided with a clamping plate A3.1 and a clamping plate B3.2 which extend upwards, the clamping plate A3.1 and the clamping plate B3.2 are parallel to each other, a preset gap is formed between the clamping plate A3.1 and the clamping plate B3.2, the second side edge and the fourth side edge are provided with a left hinged plate 3.5 and a right hinged plate 3.6 which extend upwards, the hinge joint 3.8 is rotatably connected with the left hinged plate 3.5 and the right hinged plate 3.6 through a hinge shaft 3.7, the other end of the hinge joint 3.8 is integrally formed with a screw rod section 3.9, and the screw rod section 3; the waste rock blocking curtain frame 1 is of an inverted U-shaped structure formed by splicing a left side upright post 1.1, an upper cross beam 1.2 and a right side upright post 1.3, the lower ends of the left side upright post 1.1 and the right side upright post 1.3 are respectively provided with a supporting leg 5, and the left side upright post 1.1, the upper cross beam 1.2 and the right side upright post 1.3 are all made of I-shaped steel; the upper cross beam 1.2 comprises an upper wing plate 1.4 and a lower wing plate 1.6 which are parallel to each other, a middle web plate 1.5 is vertically connected between the upper wing plate 1.4 and the lower wing plate 1.6, a clamping plate through hole A1.7 for a clamping plate A3.1 to pass through and a clamping plate through hole B1.8 for a clamping plate B3.2 to pass through are formed in the lower wing plate 1.6 on two sides of the middle web plate 1.5, the upper ends of the clamping plate A3.1 and the clamping plate B3.2 respectively penetrate through the clamping plate through hole A1.7 and the clamping plate through hole B1.8 to extend to the lower side of the upper wing plate 1.4 to be abutted against the upper wing plate 1.4, connecting holes are formed in the clamping plate A3.1, the clamping plate B3.2 and the middle web plate 1.5, and a fastening bolt 3.3 penetrates through the connecting holes to connect the clamping plate A3.1, the clamping plate B3.2 and the middle web plate 1.5; the gangue blocking vertical rod 2 is a metal rod, a bolt hole is formed in the upper end of the gangue blocking vertical rod, a screw rod section 3.9 is connected in the bolt hole in a threaded mode, the lower surface of the fastening nut 3.10 is abutted to the upper end face of the gangue blocking vertical rod 2, and when the gangue blocking vertical rod 2 is in a vertical state, the upper portion of the gangue blocking vertical rod 2 is abutted to the cross rod 4; the cross rod 4 comprises a vertically arranged strip-shaped steel plate A, two ends of the strip-shaped steel plate A are respectively welded and fixed in the middle of the left upright post 1.1 and the right upright post 1.3, a strip-shaped steel plate B is vertically welded and fixed on the back of the strip-shaped steel plate A, and the strip-shaped steel plate B is arranged along the length direction of the strip-shaped steel plate A; the front side surface of the strip steel plate A is provided with a rubber damping mechanism; the rubber damping mechanism comprises a rubber lantern ring 6 wrapped on a strip-shaped steel plate A, an opening 7 for a strip-shaped steel plate B to penetrate through is formed in the rear side face of the rubber lantern ring 6, angle steel A8 and angle steel B9 are mounted on the upper surface and the lower surface of the strip-shaped steel plate B respectively, the strip-shaped steel plate B, the angle steel A8 and the angle steel B9 are connected together through a connecting bolt 10, and the rubber lantern ring 6 is tightly pressed between the angle steel A8 and the strip-shaped steel plate A as well as between the angle steel B9 and the strip-shaped steel plate A; the large-inclination-angle belt waste rock blocking devices are at least provided with one group; the large-inclination-angle belt waste rock blocking devices are arranged in two groups, and the first large-inclination-angle belt waste rock blocking device and the second large-inclination-angle belt waste rock blocking device are arranged on the conveying direction of the belt and do not move back and forth.
The working principle of the invention is as follows: when the belt pulls upward to transport the waste rock, the waste rock blocking vertical rods 2 rotate on the waste rock blocking curtain frame 1 through the waste rock blocking vertical rod mounting pieces 3, the waste rock can be normally transported upwards through the waste rock blocking device, when massive waste rock rolls downwards from the belt and rolls to the belt waste rock blocking device, the waste rock blocking vertical rods 2 are fixed in the vertical direction through the cross rods 4, and the effect of blocking the waste rock from sliding downwards is achieved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a big inclination belt keeps off cash device which characterized in that: including waste rock blocking curtain frame (1), waste rock blocking curtain frame (1) is the type of falling U structure, be provided with a plurality of waste rock blocking montant installed parts (3) on the crossbeam of waste rock blocking curtain frame (1), install a waste rock blocking montant (2) on every waste rock blocking montant installed part (3) respectively, the length direction equidistance interval setting of crossbeam is followed in a plurality of waste rock blocking montant installed parts (3), still includes horizontal pole (4), the middle part at waste rock blocking curtain frame (1) left side pole and waste rock blocking curtain frame (1) right side pole is fixed respectively at the both ends of horizontal pole (4), a supporting leg (5) is installed respectively to the bottom of waste rock blocking curtain frame (1) left side pole and waste rock blocking curtain frame (1) right side pole.
2. The large-inclination-angle belt gangue blocking device according to claim 1, which is characterized in that: keep off cash montant installed part (3) and include lower plate (3.4) and hinge (3.8), lower plate (3.4) are a rectangle steel sheet, have first side, second side, third side and fourth side, first side and third side have grip block A (3.1) and grip block B (3.2) that upwards extend, grip block A (3.1) and grip block B (3.2) are parallel to each other, and have the predetermined clearance between them, second side and fourth side have left side articulated slab (3.5) and right side articulated slab (3.6) that upwards extend, hinge (3.8) rotate with left side articulated slab (3.5), right side articulated slab (3.6) through articulated shaft (3.7) and are connected, the other end integrated into one piece of hinge (3.8) has screw section (3.9), threaded connection has fastening nut (3.10) on screw section (3.9).
3. The large-inclination-angle belt gangue blocking device according to claim 2, which is characterized in that: the waste rock blocking curtain frame (1) is of an inverted U-shaped structure formed by splicing a left side stand column (1.1), an upper cross beam (1.2) and a right side stand column (1.3), the lower ends of the left side stand column (1.1) and the right side stand column (1.3) are respectively provided with a supporting leg (5), and the left side stand column (1.1), the upper cross beam (1.2) and the right side stand column (1.3) are made of I-shaped steel.
4. The large-inclination-angle belt gangue blocking device according to claim 3, which is characterized in that: the upper beam (1.2) comprises an upper wing plate (1.4) and a lower wing plate (1.6) which are parallel to each other, an intermediate web plate (1.5) is vertically connected between the upper wing plate (1.4) and the lower wing plate (1.6), the lower wing plates (1.6) at the two sides of the middle web plate (1.5) are provided with a clamping plate through hole A (1.7) for the clamping plate A (3.1) to pass through and a clamping plate through hole B (1.8) for the clamping plate B (3.2) to pass through, the upper ends of the clamping plate A (3.1) and the clamping plate B (3.2) respectively penetrate through the clamping plate through hole A (1.7) and the clamping plate through hole B (1.8) and extend to the lower part of the upper wing plate (1.4), the clamping plate A (3.1), the clamping plate B (3.2) and the middle web plate (1.5) are connected together through the fastening bolt (3.3) penetrating through the connecting holes.
5. The large-inclination-angle belt gangue blocking device according to claim 4, which is characterized in that: the waste rock blocking vertical rod (2) is a metal rod, a bolt hole is formed in the upper end of the metal rod, a screw rod section (3.9) is connected with the inner thread of the bolt hole, the lower surface of the fastening nut (3.10) is abutted to the upper end face of the waste rock blocking vertical rod (2), and when the waste rock blocking vertical rod (2) is in a vertical state, the upper portion of the waste rock blocking vertical rod (2) is abutted to the cross rod (4).
6. The large-inclination-angle belt gangue blocking device according to claim 5, which is characterized in that: horizontal pole (4) are including the strip steel sheet A of vertical setting, the both ends of strip steel sheet A welded fastening respectively is in the middle part of left side stand (1.1) and right side stand (1.3), the back vertical welding of strip steel sheet A is fixed with strip steel sheet B, and strip steel sheet B sets up along strip steel sheet A's length direction.
7. The large-inclination-angle belt gangue blocking device according to claim 6, which is characterized in that: the front side surface of the strip-shaped steel plate A is provided with a rubber damping mechanism.
8. The large-inclination-angle belt gangue blocking device according to claim 7, which is characterized in that: rubber damper is including wrapping up rubber sleeve ring (6) on strip steel sheet A, offer opening (7) that supply strip steel sheet B to pass on the trailing flank of rubber sleeve ring (6), angle steel A (8) and angle steel B (9) are installed respectively to strip steel sheet B's upper surface and lower surface, link together strip steel sheet B, angle steel A (8) and angle steel B (9) through connecting bolt (10), rubber sleeve ring (6) compress tightly between angle steel A (8) and strip steel sheet A and angle steel B (9) and strip steel sheet A.
9. The large-inclination-angle belt gangue blocking device according to claim 8, which is characterized in that: the large-inclination-angle belt waste rock blocking device is at least provided with one group.
10. The large-inclination-angle belt gangue blocking device according to claim 9, which is characterized in that: the large-inclination-angle belt waste rock blocking devices are arranged in two groups, and the first large-inclination-angle belt waste rock blocking device and the second large-inclination-angle belt waste rock blocking device are arranged on the conveying direction of the belt and do not move back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370812.7A CN112320200B (en) | 2020-11-30 | 2020-11-30 | Large-inclination-angle belt waste rock blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370812.7A CN112320200B (en) | 2020-11-30 | 2020-11-30 | Large-inclination-angle belt waste rock blocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112320200A true CN112320200A (en) | 2021-02-05 |
| CN112320200B CN112320200B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011370812.7A Active CN112320200B (en) | 2020-11-30 | 2020-11-30 | Large-inclination-angle belt waste rock blocking device |
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| DE2639590A1 (en) * | 1975-09-02 | 1977-03-03 | Voest Ag | SHAWING MACHINE |
| CN101920838A (en) * | 2010-08-19 | 2010-12-22 | 永城煤电控股集团有限公司 | Device for preventing lump coal from slipping downward for upper conveying belt type conveyer with large inclination angle |
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| CN107401094A (en) * | 2017-09-10 | 2017-11-28 | 沈阳建筑大学 | A kind of track girder for aerial bus |
| CN207108235U (en) * | 2017-09-08 | 2018-03-16 | 天津市百汇大地起重吊索具有限公司 | A kind of oil drum Current Collector Sleave |
| CN207812474U (en) * | 2018-01-22 | 2018-09-04 | 张家口恒泰集成房屋有限公司 | A kind of hanging type integrated house basis |
| CN208932239U (en) * | 2018-09-18 | 2019-06-04 | 永贵能源开发有限责任公司新田煤矿 | A kind of underground coal mine high-inclination conveying gangue stopping device |
| CN211077449U (en) * | 2019-11-29 | 2020-07-24 | 湖南远大住工智能装备有限公司 | Track assembly and be used for prefabricated component's conveyer |
| CN211392985U (en) * | 2020-01-04 | 2020-09-01 | 陈海亮 | Large-inclination coal mine electromechanical transportation transmission device |
| CN211894747U (en) * | 2020-03-28 | 2020-11-10 | 永贵能源开发有限责任公司新田煤矿 | Belt waste rock blocking device for coal mine |
| CN211949720U (en) * | 2020-04-21 | 2020-11-17 | 李宏超 | Safe anti-falling structure for building construction |
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2020
- 2020-11-30 CN CN202011370812.7A patent/CN112320200B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2639590A1 (en) * | 1975-09-02 | 1977-03-03 | Voest Ag | SHAWING MACHINE |
| CN101920838A (en) * | 2010-08-19 | 2010-12-22 | 永城煤电控股集团有限公司 | Device for preventing lump coal from slipping downward for upper conveying belt type conveyer with large inclination angle |
| CN205059115U (en) * | 2015-11-06 | 2016-03-02 | 厦门理工学院 | Left front lug assembly of passenger train leaf spring |
| CN106315393A (en) * | 2016-11-08 | 2017-01-11 | 中国能源建设集团天津电力建设有限公司 | Flexible lifting lug capable of being rapidly assembled and disassembled and applicable to H-shaped steel |
| CN207108235U (en) * | 2017-09-08 | 2018-03-16 | 天津市百汇大地起重吊索具有限公司 | A kind of oil drum Current Collector Sleave |
| CN107401094A (en) * | 2017-09-10 | 2017-11-28 | 沈阳建筑大学 | A kind of track girder for aerial bus |
| CN207812474U (en) * | 2018-01-22 | 2018-09-04 | 张家口恒泰集成房屋有限公司 | A kind of hanging type integrated house basis |
| CN208932239U (en) * | 2018-09-18 | 2019-06-04 | 永贵能源开发有限责任公司新田煤矿 | A kind of underground coal mine high-inclination conveying gangue stopping device |
| CN211077449U (en) * | 2019-11-29 | 2020-07-24 | 湖南远大住工智能装备有限公司 | Track assembly and be used for prefabricated component's conveyer |
| CN211392985U (en) * | 2020-01-04 | 2020-09-01 | 陈海亮 | Large-inclination coal mine electromechanical transportation transmission device |
| CN211894747U (en) * | 2020-03-28 | 2020-11-10 | 永贵能源开发有限责任公司新田煤矿 | Belt waste rock blocking device for coal mine |
| CN211949720U (en) * | 2020-04-21 | 2020-11-17 | 李宏超 | Safe anti-falling structure for building construction |
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| Publication number | Publication date |
|---|---|
| CN112320200B (en) | 2022-06-17 |
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