CN105692066A - Telescopic belt conveyor - Google Patents
Telescopic belt conveyor Download PDFInfo
- Publication number
- CN105692066A CN105692066A CN201610059862.0A CN201610059862A CN105692066A CN 105692066 A CN105692066 A CN 105692066A CN 201610059862 A CN201610059862 A CN 201610059862A CN 105692066 A CN105692066 A CN 105692066A
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- Prior art keywords
- pulley
- telescopic arm
- bend
- bend pulley
- steel wire
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Classifications
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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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
- B65G21/14—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof to allow adjustment of length or configuration of load-carrier or traction element
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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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Framework For Endless Conveyors (AREA)
Abstract
The invention discloses a telescopic belt conveyor. The telescopic belt conveyor comprises a basic arm, a first telescopic arm, a second telescopic arm, a third telescopic arm, a driving mechanism and a belt transmission mechanism. The belt transmission mechanism comprises a belt, an electric roller, a first bend roller, a second bend roller, a third bend roller, a first adjusting roller, a fourth bend roller, a second adjusting roller, a fifth bend roller, a third adjusting roller, a sixth bend roller, a fourth adjusting roller and a seventh bend roller. The electric roller, the first bend roller, the second bend roller, the third bend roller, the fourth bend roller, the fifth bend roller, the sixth bend roller and the seventh bend roller are sleeved with the belt sequentially. The first adjusting roller, the second adjusting roller, the third adjusting roller and the fourth adjusting roller press the parts, in the positions of the third bend roller, the fourth bend roller, the fifth bend roller and the sixth bend roller, of the belt tightly and correspondingly. The telescopic belt conveyor is small in height, the length is small in the folded state, and the length is large in the completely unfolded state. The telescopic belt conveyor is suitable for the environment with a narrow and long space and small entrance and exit.
Description
Technical field
The present invention relates to a kind of Expansion belt conveyor, especially a kind of Expansion belt conveyor being applied to long and narrow and that import and export size is limited space。
Background technology
Expansion belt conveyor has efficiency advantage high, laborsaving for handling goods, thus quite popular to people。For this long and narrow for similar box car compartment and import and export in the limited space of size, when adopting the Expansion belt conveyor handling goods of cantilever beam structure, belt feeder is being drawn in and size under deployed condition has higher requirement。Under rounding state, the long meeting of the excessive height of belt feeder, length causes into not car door, cannot exchange direction in compartment；In the deployed state, belt feeder needs longer length so that belt feeder can arrive termination, compartment to realize the handling operation of all locus。Four general joint Expansion belt conveyor can meet requirement in length, but this four joints telescopic belt is confidential arranges 7 bend pulleys, cause the excessive height of belt feeder, it is impossible to meet requirement。And three general joint Expansion belt conveyor can meet requirement in height, but its length under rounding state or the length under its fully unfolded position can not meet requirement。At present, the requirement for height to belt feeder can be met in the urgent need to a kind of, can meet again the belt feeder belt feeder at rounding state and the length requirement of its fully unfolded position。
Summary of the invention
It is an object of the invention to provide a kind of Expansion belt conveyor being suitable for long and narrow space and importing and exporting relatively subenvironment, this Expansion belt conveyor height is less, less in rounding state length, bigger in its fully unfolded position length。
For achieving the above object, the present invention adopts the following technical scheme that
A kind of Expansion belt conveyor, it includes basic arm, the first telescopic arm, the second telescopic arm, the 3rd telescopic arm, driving mechanism and belt gear, it is characterised in that
Described belt gear includes: belt, motorized pulleys, it is fixed on the first bend pulley of the 3rd telescopic arm front end, it is fixed on the second bend pulley of the second telescopic arm front end, it is fixed on the 3rd identical bend pulley of the shape of the second telescopic arm front end and first and regulates cylinder, it is fixed on the 4th identical bend pulley of the shape of the second telescopic arm rear end and second and regulates cylinder, it is fixed on the 5th identical bend pulley of the shape of the first telescopic arm front end and the 3rd and regulates cylinder, it is fixed on the 6th identical bend pulley of the shape of the first telescopic arm rear end and the 4th and regulates cylinder, it is fixed on the 7th bend pulley of basic arm front end；The centrage of described 3rd bend pulley and first regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 3rd bend pulley, the centrage of described 4th bend pulley and second regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 4th bend pulley, the centrage of described 5th bend pulley and the 3rd regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 5th bend pulley, the centrage of described 6th bend pulley and the 4th regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 6th bend pulley, described belt is sequentially sleeved in described motorized pulleys, first bend pulley, second bend pulley, 3rd bend pulley, 4th bend pulley, 5th bend pulley, on 6th bend pulley and the 7th bend pulley, described first regulates cylinder, second regulates cylinder, 3rd adjustment cylinder and the 4th regulates cylinder and compresses described 3rd bend pulley respectively, 4th bend pulley, the belt at the 5th bend pulley and the 6th bend pulley place。
The rear end of described first telescopic arm is located in described basic arm, the rear end of described second telescopic arm is located in described first telescopic arm, the rear end of described 3rd telescopic arm is located in described second telescopic arm, connects each through slide block structure between described basic arm and the first telescopic arm, between described first telescopic arm and the second telescopic arm and between described second telescopic arm and the 3rd telescopic arm。
Described driving mechanism includes hydraulic jack, the first flexible steel wire rope, the second flexible steel wire rope, the first retraction steel wire rope, the second retraction steel wire rope, the first pulley, the second pulley, the 3rd pulley and the 4th pulley；The piston rod head of described hydraulic jack and the rear end of basic arm are hinged, and are hinged by the rear end of hinge ear and the first telescopic arm in the middle part of the cylinder body of described hydraulic jack；Described first pulley is arranged on the rear end of described first telescopic arm, described second pulley is arranged on the rear end of described second semi-girder, described 3rd pulley is arranged on the afterbody of the cylinder body of described hydraulic jack, described 4th pulley is arranged on the front end of described second telescopic arm, first stretches out one end of steel wire rope is connected to the rear end of basic arm by the collar, and first other end stretching out steel wire rope is connected by the collar with the rear end of described second telescopic arm after walking around the 3rd pulley；Described second stretches out one end of steel wire rope is connected to the rear end of the first telescopic arm by the collar, and described second other end stretching out steel wire rope is connected by the collar with the rear end of described 3rd telescopic arm after walking around described 4th pulley；One end of described first retraction steel wire rope is connected to the front end of described basic arm by the collar, the other end of described first retraction steel wire rope is connected by the collar with described second telescopic arm rear end after walking around described first pulley, one end of described second retraction steel wire rope is connected to the front end of described first telescopic arm by the collar, and the other end of described second retraction steel wire rope is connected to the rear end of described 3rd telescopic arm by the collar after walking around described second pulley。
The quantity of described hydraulic jack is one, described first stretches out steel wire rope, the second quantity stretching out steel wire rope, the first retraction steel wire rope, the second retraction steel wire rope, the first pulley, the second pulley, the 3rd pulley and the 4th pulley respectively becomes two be symmetrically arranged inside described belt feeder。
Technical scheme provided by the invention provides the benefit that:
1, Expansion belt conveyor of the present invention, it includes basic arm, the first telescopic arm, the second telescopic arm, the 3rd telescopic arm, driving mechanism and belt gear, form four joint Expansion belt conveyor, make belt feeder length under rounding state less, under its fully unfolded position, length is relatively big, thus the satisfied length requirement to belt feeder at rounding state and its fully unfolded position。Simultaneously, described belt gear includes described first and regulates cylinder, the second adjustment cylinder, the 3rd adjustment cylinder and the 4th adjustment cylinder, these four regulate cylinder and compress the belt at the 3rd bend pulley, the 4th bend pulley, the 5th bend pulley and the 6th bend pulley place respectively, so that the height of belt gear is greatly reduced compared with the height of belt gear of the prior art, the height making inventive belt machine further reduces, and meets the requirement for height to belt feeder。
2, Expansion belt conveyor of the present invention, wherein, connect each through slide block structure between described basic arm and the first telescopic arm, between described first telescopic arm and the second telescopic arm and between described second telescopic arm and the 3rd telescopic arm, further reduce the height of Expansion belt conveyor, make Expansion belt conveyor structure compacter。
3, Expansion belt conveyor of the present invention, wherein, described driving mechanism includes hydraulic jack, the first flexible steel wire rope, the second flexible steel wire rope, the first retraction steel wire rope, the second retraction steel wire rope, the first pulley, the second pulley, the 3rd pulley and the 4th pulley。Adopting with motor power in Expansion belt conveyor of the present invention and prior art, the driving mechanism carrying out transmission with rack-and-pinion is compared, smaller, so that Expansion belt conveyor compact conformation on the whole, small volume, lighter in weight。
Accompanying drawing explanation
Fig. 1 is that Expansion belt conveyor of the present invention is in structural representation during deployed condition。
Fig. 2 is that Expansion belt conveyor of the present invention is in structural representation during rounding state。
Fig. 3 is Expansion belt conveyor internal structure schematic diagram of the present invention。
Fig. 4 is that Expansion belt conveyor of the present invention is in belt gear schematic diagram during deployed condition。
Fig. 5 is that Expansion belt conveyor of the present invention is in belt gear schematic diagram during rounding state。
Accompanying drawing labelling: 1-motorized pulleys；2-basic arm；3-cylinder body；4-first retracts steel wire rope；5-the first telescopic arm；6-second retracts steel wire rope；7-the second telescopic arm；8-the 3rd telescopic arm；9, the first bend pulley；10-the 4th pulley；11-second stretches out steel wire rope；12-the 3rd pulley；13-the second pulley；14-first stretches out steel wire rope；15-belt；16-the first pulley；17-hydraulic jack；18-the 6th bend pulley；18A-the 4th regulates cylinder；19-the 4th bend pulley；19A-second regulates cylinder；20-the second bend pulley；21-the 7th bend pulley；22-the 5th bend pulley；22A-the 3rd regulates cylinder 22A；23-the 3rd bend pulley；23A-first regulates cylinder。
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail。
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, one Expansion belt conveyor of the present invention, it includes basic arm the 2, first telescopic arm the 5, second telescopic arm the 7, the 3rd telescopic arm 8, driving mechanism and belt gear,
Described belt gear includes: belt 14, motorized pulleys 1, it is fixed on the first bend pulley 9 of the 3rd telescopic arm 8 front end, it is fixed on the second bend pulley 20 of the second telescopic arm 7 front end, it is fixed on the 3rd bend pulley 23 and the first adjustment cylinder 23A that the shape of the second telescopic arm 7 front end is identical, it is fixed on the 4th bend pulley 19 and the second adjustment cylinder 19A that the shape of the second telescopic arm 7 rear end is identical, it is fixed on the 5th bend pulley 22 and the 3rd adjustment cylinder 22A that the shape of the first telescopic arm 5 front end is identical, it is fixed on the 6th bend pulley 18 and the 4th adjustment cylinder 18A that the shape of the first telescopic arm 5 rear end is identical, it is fixed on the 7th bend pulley 21 of basic arm 2 front end；The centrage of described 3rd bend pulley 23 and first regulates the difference in height between the centrage of cylinder 23A more than zero and less than the radius of described 3rd bend pulley 23, the centrage of described 4th bend pulley 19 and second regulates the difference in height between the centrage of cylinder 19A more than zero and less than the radius of described 4th bend pulley 19, the centrage of described 5th bend pulley 22 and the 3rd regulates the difference in height between the centrage of cylinder 22A more than zero and less than the radius of described 5th bend pulley 22, the centrage of described 6th bend pulley 18 and the 4th regulates the difference in height between the centrage of cylinder 18A more than zero and less than the radius of described 6th bend pulley 18, described belt 15 is sequentially sleeved in described motorized pulleys 1, first bend pulley 9, second bend pulley 20, 3rd bend pulley 23, 4th bend pulley 19, 5th bend pulley 22, on 6th bend pulley 18 and the 7th bend pulley 21, described first regulates cylinder 23A, second regulates cylinder 19A, 3rd regulates cylinder 22A and the four adjustment cylinder 18A compresses described 3rd bend pulley 23 respectively, 4th bend pulley 19, the belt at the 5th bend pulley 22 and the 6th bend pulley 18 place。
The rear end of described first telescopic arm 5 is located in described basic arm 2, the rear end of described second telescopic arm 7 is located in described first telescopic arm 5, the rear end of described 3rd telescopic arm 8 is located in described second telescopic arm 7, is connected each through slide block structure between described basic arm 2 and the first telescopic arm 5, between described first telescopic arm 5 and the second telescopic arm 7 and between described second telescopic arm 7 and the 3rd telescopic arm 8。
Described driving mechanism includes the flexible steel wire rope of hydraulic jack 17, first 14, second flexible steel wire rope the 11, first retraction steel wire rope the 4, second retraction steel wire rope the 6, first pulley the 16, second pulley the 13, the 3rd pulley 12 and the 4th pulley 10；The piston rod head of described hydraulic jack 17 and the rear end of basic arm 2 are hinged, and are hinged by the rear end of hinge ear and the first telescopic arm 5 in the middle part of the cylinder body 3 of described hydraulic jack 17；Described first pulley 16 is arranged on the rear end of described first telescopic arm 5, described second pulley 13 is arranged on the rear end of described second semi-girder 7, described 3rd pulley 12 is arranged on the afterbody of the cylinder body 3 of described hydraulic jack, described 4th pulley 10 is arranged on the front end of described second telescopic arm 7, first stretches out one end of steel wire rope 14 is connected to the rear end of basic arm 2 by the collar, and first other end stretching out steel wire rope 14 is connected by the collar with the rear end of described second telescopic arm 7 after walking around the 3rd pulley 12；Described second stretches out one end of steel wire rope 11 is connected to the rear end of the first telescopic arm 5 by the collar, and described second other end stretching out steel wire rope 11 is connected by the collar with the rear end of described 3rd telescopic arm 8 after walking around described 4th pulley 10；One end of described first retraction steel wire rope 4 is connected to the front end of described basic arm 2 by the collar, the other end of described first retraction steel wire rope 4 is connected by the collar with described second telescopic arm 7 rear end after walking around described first pulley 16, one end of described second retraction steel wire rope 6 is connected to the front end of described first telescopic arm 5 by the collar, and the other end of described second retraction steel wire rope 6 is connected to the rear end of described 3rd telescopic arm 8 by the collar after walking around described second pulley 13。
The quantity of described hydraulic jack 17 is one, described first stretches out steel wire rope 14, second stretches out steel wire rope the 11, first retraction steel wire rope the 4, second retraction steel wire rope the 6, first pulley the 16, second pulley the 13, the 3rd pulley 12 and respectively become two be symmetrically arranged inside described belt feeder with the quantity of the 4th pulley 10。
During use, motorized pulleys 1 drive belt 15 to rotate, and hydraulic jack 17 drives the first telescopic arm the 5, second telescopic arm 7 and the 3rd telescopic arm 8 synchronization telescope。When hydraulic jack 17 stretches, hydraulic jack 17 drives the first telescopic arm 5 to stretch out, and the 3rd pulley 12 on hydraulic jack 17 drives the second telescopic arm 7 to stretch out, and the 4th pulley 10 on the second telescopic arm 7 drives the 3rd telescopic arm 8 to stretch out。When hydraulic jack 17 is retracted, hydraulic jack 17 drives the first telescopic arm 5 to retract, and the first pulley 16 drives the second telescopic arm 7 to retract, and the second pulley 13 on the second telescopic arm 7 drives the 3rd telescopic arm 8 to retract。
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (4)
1. an Expansion belt conveyor, it includes basic arm, the first telescopic arm, the second telescopic arm, the 3rd telescopic arm, driving mechanism and belt gear, it is characterised in that
Described belt gear includes: belt, motorized pulleys, it is fixed on the first bend pulley of the 3rd telescopic arm front end, it is fixed on the second bend pulley of the second telescopic arm front end, it is fixed on the 3rd identical bend pulley of the shape of the second telescopic arm front end and first and regulates cylinder, it is fixed on the 4th identical bend pulley of the shape of the second telescopic arm rear end and second and regulates cylinder, it is fixed on the 5th identical bend pulley of the shape of the first telescopic arm front end and the 3rd and regulates cylinder, it is fixed on the 6th identical bend pulley of the shape of the first telescopic arm rear end and the 4th and regulates cylinder, it is fixed on the 7th bend pulley of basic arm front end；The centrage of described 3rd bend pulley and first regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 3rd bend pulley, the centrage of described 4th bend pulley and second regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 4th bend pulley, the centrage of described 5th bend pulley and the 3rd regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 5th bend pulley, the centrage of described 6th bend pulley and the 4th regulates the difference in height between the centrage of cylinder more than zero and less than the radius of described 6th bend pulley, described belt is sequentially sleeved in described motorized pulleys, first bend pulley, second bend pulley, 3rd bend pulley, 4th bend pulley, 5th bend pulley, on 6th bend pulley and the 7th bend pulley, described first regulates cylinder, second regulates cylinder, 3rd adjustment cylinder and the 4th regulates cylinder and compresses described 3rd bend pulley respectively, 4th bend pulley, the belt at the 5th bend pulley and the 6th bend pulley place。
2. Expansion belt conveyor according to claim 1, it is characterized in that, the rear end of described first telescopic arm is located in described basic arm, the rear end of described second telescopic arm is located in described first telescopic arm, the rear end of described 3rd telescopic arm is located in described second telescopic arm, connects each through slide block structure between described basic arm and the first telescopic arm, between described first telescopic arm and the second telescopic arm and between described second telescopic arm and the 3rd telescopic arm。
3. Expansion belt conveyor according to claim 1 and 2, it is characterized in that, described driving mechanism includes hydraulic jack, the first flexible steel wire rope, the second flexible steel wire rope, the first retraction steel wire rope, the second retraction steel wire rope, the first pulley, the second pulley, the 3rd pulley and the 4th pulley；The piston rod head of described hydraulic jack and the rear end of basic arm are hinged, and are hinged by the rear end of hinge ear and the first telescopic arm in the middle part of the cylinder body of described hydraulic jack；Described first pulley is arranged on the rear end of described first telescopic arm, described second pulley is arranged on the rear end of described second semi-girder, described 3rd pulley is arranged on the afterbody of the cylinder body of described hydraulic jack, described 4th pulley is arranged on the front end of described second telescopic arm, first stretches out one end of steel wire rope is connected to the rear end of basic arm by the collar, and first other end stretching out steel wire rope is connected by the collar with the rear end of described second telescopic arm after walking around the 3rd pulley；Described second stretches out one end of steel wire rope is connected to the rear end of the first telescopic arm by the collar, and described second other end stretching out steel wire rope is connected by the collar with the rear end of described 3rd telescopic arm after walking around described 4th pulley；One end of described first retraction steel wire rope is connected to the front end of described basic arm by the collar, the other end of described first retraction steel wire rope is connected by the collar with described second telescopic arm rear end after walking around described first pulley, one end of described second retraction steel wire rope is connected to the front end of described first telescopic arm by the collar, and the other end of described second retraction steel wire rope is connected to the rear end of described 3rd telescopic arm by the collar after walking around described second pulley。
4. Expansion belt conveyor according to claim 3, it is characterized in that, the quantity of described hydraulic jack is one, described first stretches out steel wire rope, the second quantity stretching out steel wire rope, the first retraction steel wire rope, the second retraction steel wire rope, the first pulley, the second pulley, the 3rd pulley and the 4th pulley respectively becomes two be symmetrically arranged inside described belt feeder。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059862.0A CN105692066A (en) | 2016-01-28 | 2016-01-28 | Telescopic belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059862.0A CN105692066A (en) | 2016-01-28 | 2016-01-28 | Telescopic belt conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN105692066A true CN105692066A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610059862.0A Pending CN105692066A (en) | 2016-01-28 | 2016-01-28 | Telescopic belt conveyor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054992A (en) * | 2017-06-09 | 2017-08-18 | 济南方德自动化设备股份有限公司 | It is a kind of it is self-adjustable go out material conveying device |
| CN107503517A (en) * | 2017-09-29 | 2017-12-22 | 长沙久鑫机械科技有限公司 | A kind of concrete belt conveying, pumping all-in-one |
| CN107498711A (en) * | 2017-09-29 | 2017-12-22 | 长沙久鑫机械科技有限公司 | A kind of middle-size and small-size concrete suitable for villages and small towns stirs transportation integration belt feeder |
| CN109534029A (en) * | 2018-10-19 | 2019-03-29 | 厦门裕邦智能科技有限公司 | A kind of split type telescopic moving charging crane |
| CN113753499A (en) * | 2021-09-29 | 2021-12-07 | 南京凡澄自动化有限公司 | Telescopic device for belt telescopic machine and use method thereof |
| CN114919933A (en) * | 2022-06-06 | 2022-08-19 | 宁夏天地西北煤机有限公司 | Multi-point belt storage type conveyor |
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| CN204847143U (en) * | 2015-07-18 | 2015-12-09 | 范宏峰 | Special light -duty telescopic belt conveyer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107054992A (en) * | 2017-06-09 | 2017-08-18 | 济南方德自动化设备股份有限公司 | It is a kind of it is self-adjustable go out material conveying device |
| CN107503517A (en) * | 2017-09-29 | 2017-12-22 | 长沙久鑫机械科技有限公司 | A kind of concrete belt conveying, pumping all-in-one |
| CN107498711A (en) * | 2017-09-29 | 2017-12-22 | 长沙久鑫机械科技有限公司 | A kind of middle-size and small-size concrete suitable for villages and small towns stirs transportation integration belt feeder |
| CN109534029A (en) * | 2018-10-19 | 2019-03-29 | 厦门裕邦智能科技有限公司 | A kind of split type telescopic moving charging crane |
| CN109534029B (en) * | 2018-10-19 | 2020-12-11 | 厦门裕邦智能科技有限公司 | Split type telescopic mobile loading and unloading machine |
| CN113753499A (en) * | 2021-09-29 | 2021-12-07 | 南京凡澄自动化有限公司 | Telescopic device for belt telescopic machine and use method thereof |
| CN114919933A (en) * | 2022-06-06 | 2022-08-19 | 宁夏天地西北煤机有限公司 | Multi-point belt storage type conveyor |
| CN114919933B (en) * | 2022-06-06 | 2024-01-05 | 宁夏天地西北煤机有限公司 | Multi-point belt storage conveyor |
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