CN104973388A - Ore belt conveyer tensioning mechanism - Google Patents
Ore belt conveyer tensioning mechanism Download PDFInfo
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- CN104973388A CN104973388A CN201410148363.XA CN201410148363A CN104973388A CN 104973388 A CN104973388 A CN 104973388A CN 201410148363 A CN201410148363 A CN 201410148363A CN 104973388 A CN104973388 A CN 104973388A
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- belt
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- 230000005484 gravity Effects 0.000 claims abstract description 60
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention relates to an ore belt conveyer tensioning mechanism, which comprises a closed annular belt, wherein the belt comprises a tensioning part. The ore belt conveyer tensioning mechanism also comprises a gravity tensioning piece and positioning components; the gravity tensioning piece comprises a wheel body; the circumferential surface of the wheel body is in mutual contact with the upper surface of the tensioning part; the positioning components are respectively arranged at two ends of the wheel body; axial positioning surfaces are arranged on the positioning components, are distributed at two ends of the axial direction of the wheel body, and are close to the surface of the gravity tensioning piece; and horizontal positioning surfaces are also arranged on the positioning components, are distributed at two sides of a vertical plane parallel with the axis of the wheel body, and are close to the surface of the gravity tensioning piece. The tensioning of belt-shaped components such as a belt and a chain is realized by virtue of the self gravity of the tensioning mechanism; a worker does not need to repeatedly adjust, and the tensioning function can be steadily realized; and meanwhile, since the tension is not provided by an elastic component, the tensioning failure caused by the failure of the elastic component cannot occur.
Description
Technical field
The present invention relates to a kind of ore belt-conveyor, particularly a kind of stretching device of ore belt-conveyor.
Background technology
Band conveyor is conventional material transportation mechanism, and its principle of work is rotated by delivery wheel to drive belt translation, makes the material be positioned on belt be transported to the other end from one end.Band conveyor is all provided with stretching device, and belt can be tightened in delivery wheel side by stretching device, increases the contact angle of belt and delivery wheel, prevents slipping of the belt.
In industry, band conveyor is also widely used in ores lifting, and not only size is comparatively large for the band conveyor of conveying ore, and also have longer span between delivery wheel, the belt of ore belt-conveyor usually needs larger tensile force.
Stretching device of the prior art comprises elastic construction formula and fixed sturcture formula, elastic construction formula utilizes the elastic force of elastomeric element to keep the tensioner in stretching device to apply pressure to belt, the elasticity of this structure Elastic parts is the keys realizing tensioning function, if elastomeric element ageing failure, stretching device cisco unity malfunction, and also the tensile force relying on elastomeric element to provide is more limited.The stretching device of fixed sturcture formula generally adopts fixing adjustable physical construction to realize tensioning, due to the distortion that can be stretched after belt Long-Time Service, so equipment often uses a period of time, all need manually adjustment to be carried out to tension structure and make it recover original tensioning degree.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of novel ore belt-conveyor stretching device, the gravity of stretching device self is utilized to realize belt tension, do not need artificial adjustment repeatedly, namely Absorbable organic halogens realize tensioning function, simultaneously owing to not using elastomeric element to provide tensile force, the tensioning inefficacy that there will not be elastomeric element to lose efficacy to cause.
The technical solution adopted for the present invention to solve the technical problems is:
Ore belt-conveyor stretching device, comprises the belt of closed ring, and described belt comprises tensioned portion; Also comprise gravity tensioning part and positioning element, described gravity tensioning part comprises wheel body, and the peripheral surface of wheel body and the upper surface of tensioned portion contact with each other; Described positioning element is separately positioned on the two ends of wheel body, and positioning element is fixedly installed; Described positioning element is provided with axial locating surface, and the axial locating surface on positioning element is distributed in the two ends of wheel body axis direction, and described axial locating surface is near the surface of gravity tensioning part; Described positioning element is also provided with the horizontal location face that at least one composition is right, described paired horizontal location EDS maps is in the perpendicular both sides with wheel body axis being parallel, and described horizontal location face is near the surface of gravity tensioning part.
Further, described wheel body is provided with wheel shaft, described gravity tensioning part also comprises the weight box be connected to below described wheel body, and described weight box two ends are respectively arranged with pipe link, and described pipe link and described wheel shaft are rotationally connected.
Further, side near positioning element on described weight box is weight box end face, weight box end face is provided with the right horizontal location post of at least one composition, described horizontal location post is greater than the spacing between weight box end face and positioning element from the distance that weight box end face stretches out, and described positioning element is between paired horizontal location post; Described paired horizontal location face is the close face of on positioning element with paired horizontal location post.
Further, described weight box end face is also provided with axial location post, described axial location post is near described positioning element, and described axial locating surface is face close with axial location post on positioning element.
Further, described positioning element offers vertical notch, described wheel body is provided with wheel shaft, the two ends of wheel shaft are separately positioned in the notch on positioning element, the Outside Dimensions of wheel shaft is less than the opening size of notch, described paired horizontal location face is near the face on the left side, wheel shaft place and the face on the right of wheel shaft place on notch, and described axial locating surface is the positioning element side near wheel body end face.
Further, the below of described tensioned portion and the position being positioned at wheel body both sides is respectively arranged with wheel flutter, the peripheral surface of described wheel flutter is fitted and is pressed on the lower surface of tensioned portion, the common tangent that wheel body and delivery wheel are positioned at below is L, and the position of described wheel flutter peripheral surface is higher than L position; Described wheel flutter is provided with steering shaft, and wheel flutter can around steering axes, and described steering shaft is axially consistent with axle axial.
Further, described positioning element is also provided with the vertical limit base be positioned at below weight box, described vertical limit base reaches the position that can stop weight box end face from positioning element side, is provided with floor between described vertical limit base and positioning element.
Further, elastomeric element is provided with above described vertical limit base.
The invention has the beneficial effects as follows: use ore belt-conveyor stretching device of the present invention, the gravity of stretching device self is utilized to realize belt tension, do not need artificial adjustment repeatedly, namely Absorbable organic halogens realize tensioning function, simultaneously owing to not using elastomeric element to provide tensile force, the tensioning inefficacy that there will not be elastomeric element to lose efficacy to cause.Further, adopt the stretching device of subsidiary weight box, all right in good time increase or minimizing counterweight, reach most suitable tension effects.
Accompanying drawing explanation
Fig. 1 is a kind of schematic front view of ore belt-conveyor, and this band conveyor have employed a kind of embodiment of ore belt-conveyor stretching device of the present invention;
Fig. 2 is the ore belt-conveyor stretching device schematic front view of the present invention in Fig. 1;
Fig. 3 is that schematic diagram is looked on a left side of Fig. 2;
Fig. 4 is the schematic front view of the another kind of embodiment of ore belt-conveyor stretching device of the present invention;
Fig. 5 is that schematic diagram is looked on a left side of Fig. 4;
In figure, parts drawing reference numeral is: 2-delivery wheel, 3-belt, 32-tensioned portion, 4-wheel flutter, 41-steering shaft, 5-gravity tensioning part, 50-wheel shaft, 51-wheel body, 52-weight box, 53-horizontal location post, 54-pipe link, 55-horizontal location face, 56-axial locating surface, 57-weight box end face, 58-axial location post, 7-positioning element, the vertical limit base of 71-, 73-notch.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described: as shown in Figures 2 and 3:
Ore belt-conveyor stretching device, comprises the belt 3 of closed ring, and described belt 3 comprises tensioned portion 32; It is characterized in that, also comprise gravity tensioning part 5 and positioning element 7, described gravity tensioning part 5 comprises wheel body 51, and the peripheral surface of wheel body 51 and the upper surface of tensioned portion 32 contact with each other; Described positioning element 7 is separately positioned on the two ends of wheel body 51, and positioning element 7 is fixedly installed; Described positioning element 7 is provided with axial locating surface 56, and the axial locating surface 56 on positioning element 7 is distributed in the two ends of wheel body 51 axis direction, and described axial locating surface 56 is near the surface of gravity tensioning part 5; Described positioning element 7 is also provided with the horizontal location face 55 that at least one composition is right, described paired horizontal location face 55 is distributed in the perpendicular both sides with wheel body 51 axis being parallel, and described horizontal location face 55 is near the surface of gravity tensioning part 5.
Tensioned portion 32 alleged by the present invention refers to, and belt 3 needs stretching device to provide the part of pressure compaction, the part belt 3 be in below delivery wheel 2 as shown in Figure 1.The wheel body 51 of gravity tensioning part 5 is for compressing belt 3, and its peripheral side contacts and compresses tensioned portion 32.
Described positioning element 7 can be comprise two independently positioning elements 7, also can be that multiple positioning element 7 is joined together.Positioning element 7 is fixedly installed, and refers to that setting on the ground or be arranged in the mechanism that is fixedly connected with ground, its role is to prevent gravity tensioning part 5 horizontal direction and axial swing.So-called horizontal direction refers to the horizontal direction of position shown in mechanism is in FIG, so-called axis be mechanism in FIG shown in the axis direction of wheel shaft 50 of position.
During concrete use, gravity tensioning part 5 under gravity, has downward pulling force to tensioned portion 32, and this makes belt 3 be tightened in the peripheral surface of delivery wheel 2, thus the problem that when preventing mechanical operation, belt 3 skids.
Gravity tensioning part 5 is subject to self gravitation and tensioned portion 32 bearing force upwards, and the motion of its in the vertical direction is limited, and can not depart from the predeterminated position on vertical direction.
As shown in Figures 2 and 3, near the position on gravity tensioning part 5 surface on described positioning element 7, be respectively arranged with axial locating surface 56, axial locating surface 56 is distributed in the two ends of wheel body 51 axis direction, when axial displacement occurs gravity tensioning part 5, then gravity tensioning part 5 surface can be subject to the stop of axial locating surface 56.Axial locating surface 56, near the surface of gravity tensioning part 5, both can be also can be the surface of miscellaneous part on gravity tensioning part 5 near the surface of wheel body 51.
As shown in Figures 2 and 3, position near gravity tensioning part 5 surface on described positioning element 7 is also provided with the right horizontal location face 55 of at least one composition, described paired horizontal location face 55 is distributed in the perpendicular both sides with wheel body 51 axis being parallel, if gravity tensioning part 5 is subjected to displacement in the horizontal direction, then gravity tensioning part 5 surface can be subject to the stop in horizontal location face 55.Horizontal location face 55, near the surface of gravity tensioning part 5, both can be also can be the surface of miscellaneous part on gravity tensioning part 5 near the surface of wheel body 51.
According to above-mentioned principle, the gravity of gravity tensioning part 5 is that belt 3 provides tensile force, can ensure the tension effects of stretching device; The gravity of gravity tensioning part 5 and the bearing force of belt 3 can limit the motion on gravity tensioning part 5 vertical direction, axial locating surface 56 on positioning element 7 and horizontal location face 55 can limit the position of gravity tensioning part 5 axially and in horizontal direction respectively, the restriction effect in these three directions can ensure stretching device steady running, can not depart from predeterminated position.
Concrete, described gravity tensioning part 5 can be except the link of necessity, only comprise an independent wheel body 51, realizes tensioning by the gravity of wheel body 51 self.Also can be that described wheel body 51 is provided with wheel shaft 50, described gravity tensioning part 5 also comprises the weight box 52 be connected to below described wheel body 51, and described weight box 52 two ends are respectively arranged with pipe link 54, and described pipe link 54 is rotationally connected with described wheel shaft 50.
As shown in Figures 2 and 3, in this embodiment, gravity tensioning part 5 comprises wheel body 51 and is connected to the weight box 52 of below, weight box 52 and wheel body 51 are linked together by pipe link 54, and pipe link 54 and described wheel shaft 50 are rotationally connected, and weight box 52 is in below wheel body 51 under gravity all the time.After adopting this embodiment, can increase in weight box 52 according to actual conditions or reduce counterweight, the tensile force making wheel body 51 be applied to belt 3 be in suitable scope.Such as adopt the band conveyor of the present embodiment not slipping of the belt to occur because of tensile force, the stone of constant weight can be increased in weight box 52.
The mode of position restriction is carried out in aforesaid axial locating surface 56 and horizontal location face 55, concrete, can be the embodiment adopted below: the side near positioning element 7 on described weight box 52 is weight box end face 57, weight box end face 57 is provided with the right horizontal location post 53 of at least one composition, described horizontal location post 53 is greater than the spacing between weight box end face 57 and positioning element 7 from the distance that weight box end face 57 stretches out, and described positioning element 7 is between paired horizontal location post 53; Described paired horizontal location face 55 is the close face of on positioning element 7 with paired horizontal location post 53.
As shown in Figures 2 and 3, in this embodiment, be provided with horizontal location post 53 at weight box end face 57 spacing for realizing horizontal direction.
Described horizontal location post 53 is greater than the spacing between weight box end face 57 and positioning element 7 from the distance that weight box end face 57 stretches out, when weight box 52 occurred level moves, horizontal location post 53 can collide the horizontal location face 55 on positioning element 7, the level attitude of weight box 52 is limited, and wheel body 51 level attitude is also limited accordingly simultaneously.
Can limit the axial location of gravity tensioner 5 with axial locating surface 56 described in aforementioned same principle, concrete, can be that position restriction is carried out to the end face of wheel body 51, or position restriction is carried out to the side near positioning element 7 on pipe link 54, such as adopt embodiment below: described weight box end face 57 is also provided with axial location post 58, described axial location post 58 is near described positioning element 7, and described axial locating surface 56 is face close with axial location post 58 on positioning element 7.
As shown in Figure 3, one piece of axial location post 58 protruded can be set specially on weight box end face 57, when weight box 52 moves axially, axial location post 58 can collide the axial locating surface 56 on positioning element 7, thus the axial location of gravity tensioning part 5 is restricted.Obvious, axial location post 58 must be less than the distance of miscellaneous part and positioning element 7 on gravity tensioning part 5 with the distance of positioning element 7, could realize above-mentioned purpose.
The mode of position restriction is carried out in axial locating surface 56 and horizontal location face 55, also embodiment below can be adopted: described positioning element 7 offers vertical notch 73, described wheel body 51 is provided with wheel shaft 50, the two ends of wheel shaft 50 are separately positioned in the notch 73 on positioning element 7, the Outside Dimensions of wheel shaft 50 is less than the opening size of notch 73, described paired horizontal location face 55 is near the face on the left side, wheel shaft 50 place and the face on the right of wheel shaft 50 place on notch 73, and described axial locating surface 56 is positioning element 7 side near wheel body 51 end face.
As shown in Figure 4 and Figure 5, in this embodiment, the vertical notch 73 that positioning element 7 is offered is for arranging wheel shaft 50, the Outside Dimensions of wheel shaft 50 is less than the opening size of notch 73, wheel shaft 50 can be slided up and down in notch 73, just can reach the goal of the invention utilizing the gravity of gravity tensioning part 5 to realize tensioning
The two ends of wheel shaft 50 are separately positioned in the notch 73 on positioning element 7, and can be that notch 73 is run through, the embodiment of such as Fig. 5 in whole wheel shaft 50 end, also can be that a part for wheel shaft 50 end enters in notch 73.
Axial locating surface 56 on positioning element 7 can be the end face near wheel body 51, as shown in Figure 5, when wheel body 51 occur axial mobile time, can be subject to the stop of axial locating surface 56 on positioning element 7, this makes gravity tensioning part 5 axial location be limited.
On the other hand, notch 73 can limit the level attitude of wheel shaft 50, and as seen from Figure 4, when wheel body 51 occurred level direction mobile, wheel shaft 50 can be subject to the stop of notch 73, and this makes gravity tensioning part 5 horizontal direction position be limited.In addition, present embodiment also can adopt the optimal way increasing weight box at wheel body for 51 times.
Stretching device of the present invention, in order to ensure that belt 3 and delivery wheel 2 have enough exposure levels, following preferred version can be adopted: the below of described the tensioned portion 32 and position being positioned at wheel body 51 both sides is respectively arranged with wheel flutter 4, the peripheral surface of described wheel flutter 4 is fitted and is pressed on the lower surface of tensioned portion 32, the common tangent that wheel body 51 and delivery wheel 2 are positioned at below is L, and the position of described wheel flutter 4 peripheral surface is higher than L position; Described wheel flutter 4 is provided with steering shaft 41, and wheel flutter 4 can rotate around steering shaft 41, and described steering shaft 41 is axially axially consistent with wheel shaft 50.
As shown in Figure 1, in the present embodiment, wheel flutter 4 is also provided with in the below of tensioned portion 32, the position of wheel flutter 4 peripheral surface is positioned at the common tangent L position of below higher than wheel body 51 and delivery wheel 2, the peripheral surface of wheel flutter 4 can be fitted and be pressed on the lower surface of tensioned portion 32, this adds tensioned portion 32 and wheel body 51, tensioned portion 32 and the exposure level of delivery wheel 2 peripheral surface respectively, prevents from skidding.
Stretching device of the present invention, because gravity tensioning part 5 is subject to gravity effect, belt 3 is all subject to a downward pressure at any time, need to unclamp belt 3 if belt 3 reaches when there is fracture or overhaul of the equipments service life, now gravity tensioning part 5 just directly may be fallen on the ground and damage, in order to avoid this problem, preferred implementation below can be adopted:
Described positioning element 7 is also provided with the vertical limit base 71 be positioned at below weight box 52, described vertical limit base 71 reaches the position that can stop weight box end face 57 from positioning element 7 side, is provided with floor between described vertical limit base 71 and positioning element 7.
As shown in Figure 3, described vertical limit base 71 to be arranged on positioning element 7 and to be positioned at the below of weight box 52, so-called " position of weight box end face 57 can be stopped ", refer to that the distance that vertical limit base 71 extends is greater than when weight box 52 falls and the distance of positioning element 7 side.When belt 3 generation fracture or when unclamping belt 3, weight box 52 is affected by gravity, the position dropping to vertical limit base 71 will be stopped, weight box 52 so just can be avoided directly to drop to ground and damage, and can prevent from hurting operating personal around simultaneously.The height that vertical limit base 71 is arranged is selected according to actual conditions, from weight box 52 more close to, then weight box 52 drop is less, then safer; On the other hand, the height that vertical limit base 71 is arranged should ensure that gravity tensioning part 5 utilizes gravity to realize the sufficient space of tensioning.
Preferably, elastomeric element can also be provided with on described vertical limit base 71.Such as on vertical limit base 71, be provided with the elastomeric element such as spring, shell fragment, when weight box 52 falls, elastomeric element can play better buffering effect.Obvious, elastomeric element needs to be set to weight box 52 and the position at vertical limit base 71 contact surface place when weight box 52 falls vertical limit base 71, effectively could cushion weight box 52.
Claims (8)
1. ore belt-conveyor stretching device, comprise the belt (3) of closed ring, described belt (3) comprises tensioned portion (32); It is characterized in that, also comprise gravity tensioning part (5) and positioning element (7), described gravity tensioning part (5) comprises wheel body (51), and the peripheral surface of wheel body (51) and the upper surface of tensioned portion (32) contact with each other; Described positioning element (7) is separately positioned on the two ends of wheel body (51), and positioning element (7) is fixedly installed; Described positioning element (7) is provided with axial locating surface (56), described axial locating surface (56) is distributed in the two ends of wheel body (51) axis direction, and described axial locating surface (56) is near the surface of gravity tensioning part (5); Described positioning element (7) is also provided with the horizontal location face (55) that at least one composition is right, described paired horizontal location face (55) is distributed in the perpendicular both sides with wheel body (51) axis being parallel, and described horizontal location face (55) is near the surface of gravity tensioning part (5).
2. ore belt-conveyor stretching device as claimed in claim 1, it is characterized in that, described wheel body (51) is provided with wheel shaft (50), described gravity tensioning part (5) also comprises the weight box (52) being connected to described wheel body (51) below, described weight box (52) two ends are respectively arranged with pipe link (54), and described pipe link (54) and described wheel shaft (50) are rotationally connected.
3. ore belt-conveyor stretching device as claimed in claim 2, it is characterized in that, the upper side near positioning element (7) of described weight box (52) is weight box end face (57), weight box end face (57) is provided with the right horizontal location post (53) of at least one composition, described horizontal location post (53) is greater than the spacing between weight box end face (57) and positioning element (7) from the distance that weight box end face (57) stretches out, and described positioning element (7) is positioned between paired horizontal location post (53); Described paired horizontal location face (55) is face close with paired horizontal location post (53) on positioning element (7).
4. ore belt-conveyor stretching device as claimed in claim 3, it is characterized in that, described weight box end face (57) is also provided with axial location post (58), the close described positioning element (7) of described axial location post (58), the face that described axial locating surface (56) is upper for positioning element (7) and axial location post (58) is close.
5. ore belt-conveyor stretching device as claimed in claim 1, it is characterized in that, described positioning element (7) offers vertical notch (73), described wheel body (51) is provided with wheel shaft (50), the two ends of wheel shaft (50) are separately positioned in the notch (73) on positioning element (7), the Outside Dimensions of wheel shaft (50) is less than the opening size of notch (73), described paired horizontal location face (55) is the upper face near wheel shaft (50) left side, place of notch (73) and the face on the right of wheel shaft (50) place, described axial locating surface (56) is positioning element (7) side near wheel body (51) end face.
6. as the ore belt-conveyor stretching device in Claims 1 to 5 as described in any one claim, it is characterized in that, the below of described tensioned portion (32) and the position being positioned at wheel body (51) both sides is respectively arranged with wheel flutter (4), the peripheral surface of described wheel flutter (4) is fitted and is pressed on the lower surface of tensioned portion (32), the common tangent that wheel body (51) and delivery wheel (2) are positioned at below is L, and the position of described wheel flutter (4) peripheral surface is higher than L position; Described wheel flutter (4) is provided with steering shaft (41), wheel flutter (4) can rotate around steering shaft (41), and described steering shaft (41) is axially axially consistent with wheel shaft (50).
7. as the ore belt-conveyor stretching device in Claims 1 to 5 as described in any one claim, it is characterized in that, described positioning element (7) is also provided with the vertical limit base (71) being positioned at weight box (52) below, described vertical limit base (71) reaches the position that can stop weight box end face (57) from positioning element (7) side, is provided with floor between described vertical limit base (71) and positioning element (7).
8. ore belt-conveyor stretching device as claimed in claim 7, is characterized in that, described vertical limit base (71) is provided with elastomeric element above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148363.XA CN104973388A (en) | 2014-04-14 | 2014-04-14 | Ore belt conveyer tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148363.XA CN104973388A (en) | 2014-04-14 | 2014-04-14 | Ore belt conveyer tensioning mechanism |
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| CN104973388A true CN104973388A (en) | 2015-10-14 |
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| CN201410148363.XA Pending CN104973388A (en) | 2014-04-14 | 2014-04-14 | Ore belt conveyer tensioning mechanism |
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Cited By (8)
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| CN107265061A (en) * | 2017-06-21 | 2017-10-20 | 燕山大学 | Belt reciprocal transportation machine with double tensioning apparatus |
| CN108545477A (en) * | 2018-06-06 | 2018-09-18 | 成都晟兴牧业机械有限公司 | A kind of loop chain type egg transmission device |
| CN111470269A (en) * | 2020-03-30 | 2020-07-31 | 杭州电子科技大学 | Conveyer with self-adaptation regulation formula overspeed device tensioner |
| CN112849960A (en) * | 2021-02-22 | 2021-05-28 | 中冶南方工程技术有限公司 | Belt conveyor tensioning device |
| CN113102368A (en) * | 2021-04-23 | 2021-07-13 | 米易元通铁钛有限责任公司 | Ore removing device with rinsing function |
| CN113351350A (en) * | 2021-06-07 | 2021-09-07 | 烟台工程职业技术学院(烟台市技师学院) | Archival materials roll-type operation separator |
| CN113371396A (en) * | 2021-06-16 | 2021-09-10 | 安徽晋煤中能化工股份有限公司 | Belt matching and repositioning device |
| CN115724182A (en) * | 2022-11-09 | 2023-03-03 | 江苏炫能输送带有限公司 | Telescopic discharging belt conveying system |
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| CN108545477A (en) * | 2018-06-06 | 2018-09-18 | 成都晟兴牧业机械有限公司 | A kind of loop chain type egg transmission device |
| CN111470269A (en) * | 2020-03-30 | 2020-07-31 | 杭州电子科技大学 | Conveyer with self-adaptation regulation formula overspeed device tensioner |
| CN112849960A (en) * | 2021-02-22 | 2021-05-28 | 中冶南方工程技术有限公司 | Belt conveyor tensioning device |
| CN113102368A (en) * | 2021-04-23 | 2021-07-13 | 米易元通铁钛有限责任公司 | Ore removing device with rinsing function |
| CN113351350A (en) * | 2021-06-07 | 2021-09-07 | 烟台工程职业技术学院(烟台市技师学院) | Archival materials roll-type operation separator |
| CN113371396A (en) * | 2021-06-16 | 2021-09-10 | 安徽晋煤中能化工股份有限公司 | Belt matching and repositioning device |
| CN115724182A (en) * | 2022-11-09 | 2023-03-03 | 江苏炫能输送带有限公司 | Telescopic discharging belt conveying system |
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Application publication date: 20151014 |