CN211309823U - Cantilever type belt pressing device of large-inclination-angle large belt conveyor - Google Patents
Cantilever type belt pressing device of large-inclination-angle large belt conveyor Download PDFInfo
- Publication number
- CN211309823U CN211309823U CN201922011385.2U CN201922011385U CN211309823U CN 211309823 U CN211309823 U CN 211309823U CN 201922011385 U CN201922011385 U CN 201922011385U CN 211309823 U CN211309823 U CN 211309823U
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- inclined plane
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- 238000003825 pressing Methods 0.000 title claims abstract description 28
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 38
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 description 39
- 238000005253 cladding Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A cantilever type belt pressing device of a large-scale belt conveyor with a large inclination angle belongs to the technical field of belt conveyors and overcomes the problems that the prior belt pressing device has lower strength, a spring support is easy to incline backwards by a covering rubber belt running at high speed, and a pressing roller can not be guaranteed to be always pressed on the covering rubber belt, so the scattering phenomenon is serious, and the cantilever type belt pressing device is characterized in that a cantilever is hinged on a cantilever support through a cantilever shaft, a first inclined surface and a second inclined surface are arranged on a first shaft pin ear of the cantilever, a buffering and limiting mechanism of the cantilever is arranged on the cantilever support, the cantilever support is connected with a conveyor frame through the cantilever support when in use, and trundles float up and down along with the increase and decrease of materials, the cantilever and the conveyor frame and the conveying covering rubber belt are in a triangular structure, thereby the stability is good, the impact resistance is strong, and the trundles in the belt, due to the adoption of the modular design that one cantilever is provided with one caster, the structure is simple, and the installation, the maintenance and the replacement are convenient.
Description
Technical Field
The utility model belongs to the technical field of belt conveyor, in particular to be applied to mine material and carry and can improve large-scale belt conveyor's of large-scale inclination cantilever type belt press device at large-scale conveyor transport inclination.
Background
In the prior art, the inclination angle of a large belt conveyor applied to mine material conveying is smaller and generally smaller than 18 degrees, the maximum conveying lifting angle of the belt conveyor generally does not exceed 28 degrees according to different material conveying characteristics, the maximum conveying lifting angle of the belt conveyor is required to be not more than 16 degrees for the belt conveyor for conveying bulk materials generally, and particularly in the occasions with large flow and limited transportation geographical environment conditions, such as the occasions needing to cross hillsides, culverts, tunnels and the like, the large belt conveyor with the smaller inclination angle in the prior art cannot meet the requirements. However, after the inclination angle of the large belt conveyor is increased, the downward sliding force of the materials is increased in the transportation process, the material scattering phenomenon is serious, the operation speed of the large belt conveyor is slow, the transportation efficiency is reduced, and meanwhile, when the materials are scattered, the equipment abrasion and aging are aggravated, noise, dust and the like are generated, the environment of an operation site is damaged, and many potential safety hazards exist.
In a large belt conveyor, a belt pressing device is one of important parts of the belt pressing device, and has the main function of preventing a concave arc section of a rubber belt from being lifted and separated from a roller surface; namely, the phenomena of material scattering and the like are caused when the sealing-tape machine is started in no-load mode and the material floats and runs. The structure of the belt conveyor comprises a pressing wheel frame, two pressing wheels and a pressing wheel shaft, wherein the pressing wheel frame is fixed on a concave arc section of the belt conveyor, the pressing wheels are fixed on the pressing wheel frame through the pressing wheel shaft and a bearing seat, the wheel rims of the pressing wheels are pressed on the adhesive tape, certain tension is applied to the adhesive tape, the belt floating phenomenon cannot occur when the belt conveyor is started in a no-load mode, the material scattering phenomenon cannot occur when the adhesive tape runs, and the belt conveyor has the defect that once the adhesive tape deviates to one side of the pressing wheels, the adhesive tape is difficult to restore to the original position.
The invention with the application number of CN201610624234.2 actually discloses a novel clamping belt type large-inclination-angle conveyor, which comprises a bearing adhesive tape machine and a covering adhesive tape machine which are arranged on a machine frame, wherein a covering adhesive tape is arranged on the covering adhesive tape machine, a bearing adhesive tape is arranged on the bearing adhesive tape machine, the covering adhesive tape and the bearing adhesive tape are tightly attached to one side for conveying materials, and the problem of material scattering is solved by the technical scheme, however, the bearing adhesive tape machine is arranged in a Z shape and is not suitable for material conveying of a long-distance large-scale belt conveyor, in particular, the belt pressing device adopts 4 groups of elastic press rollers, each 2 groups of elastic press rollers are connected through a first connecting rod, the middle part of the first connecting rod is hinged with a second connecting rod, the other end of the second connecting rod is connected to a spring, and because the structure of the invention adopts 4 groups of elastic press rollers to be connected to a spring support, and the spring support always moves vertically, even if every two groups of elastic compression roller sets are hinged by the connecting rod and then connected to the spring support by the connecting rod to ensure that the four groups of elastic compression roller sets keep pressing on the covering adhesive tape no matter how much material is, when the covering adhesive tape and the bearing adhesive tape run at high speed, the spring support is easy to incline backwards by the covering adhesive tape running at high speed due to the non-uniformity of the material clamped between the covering adhesive tape and the bearing adhesive tape and the lower strength of the spring support, and the four groups of elastic compression roller sets can not be ensured to always completely keep pressing on the covering adhesive tape, so that the effect of the compression rollers is lost, and the phenomenon of material scattering can occur again.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem, overcome prior art's weak point and be in the defect, the provision both can prevent effectively that the material from spilling in the transportation, can improve again and press belt assembly intensity to guarantee that the material operates steadily in high-speed transportation, thereby make the material on large-scale belt conveyor's the transmission band and the transmission equipment combine closely, can improve the production efficiency in the stage of climbing, guarantee the conveyer safe and steady operation, and install, maintain and change all very convenient large-scale belt conveyor's of big inclination press belt assembly.
The utility model adopts the technical scheme that the cantilever comprises trundles, cantilevers and cantilever supports, cantilevers are hinged on the cantilever supports through cantilever shafts, each cantilever comprises a front side wall and a rear side wall, the front side wall and the rear side wall are connected together through a connecting plate, reinforcing plates are welded on the left and right sides of the upper ends of the front side wall and the rear side wall respectively, end plates are welded on the upper ends of the 2 reinforcing plates, front and rear 2 first shaft pin lugs are welded on the end plates, a first axial through hole is processed on each first shaft pin lug, and a second axial through hole is correspondingly processed at the bottoms of the front side wall and the rear side wall; cutting a first inclined surface at the upper end surface of the first shaft pin lug to the left, cutting a second inclined surface at the upper end surface of the first shaft pin lug to the right, the included angle between the first inclined plane and the left end surface is alpha, the included angle between the second inclined plane and the upper end surface is beta, a torsion spring is arranged on the cantilever shaft, a third bolt is arranged in a second axial through hole at the bottom of the cantilever, and a caster is arranged on the third bolt, the cantilever can drive the caster to swing up and down around a cantilever shaft, the upward floating range is limited by the first inclined plane to float within the alpha angle range, the downward floating range is limited by the second inclined plane to float within the beta angle range, a U-shaped rubber plate with an opening at the right side is arranged on the cantilever support, an adjusting pad is arranged in the opening at the right side of the U-shaped rubber plate, and the buffer limiting mechanism of the cantilever is formed by the adjusting pad, the second bolt and the U-shaped rubber plate.
The cantilever support comprises a left support plate and a right support plate, bottom plates are welded at the bottoms of the left support plate and the right support plate, top plates are welded at the tops of the left support plate and the right support plate, second shaft pin lugs corresponding to the first shaft pin lugs are welded between the left support plate and the right support plate, third axial through holes correspondingly communicated with the first axial through holes are machined in each second shaft pin lug, and the cantilever shaft is arranged in the first axial through holes and the third axial through holes correspondingly communicated with the first axial through holes; 4 mounting holes are processed on the top plate.
The included angle alpha between the first inclined plane and the left end surface is 25-30 degrees, when the second inclined plane (the included angle beta between the second inclined plane and the upper end surface is 15-20 degrees, 2 belt pressing devices of the large belt conveyor with the large inclination angle are respectively locked and fixed with a conveyor frame through 4 mounting holes processed on a top plate of a cantilever support by a first bolt, the included angle between the cantilever and the central line of the coated adhesive tape is, the included angle is 30-35 degrees, when materials are conveyed between the bearing adhesive tape and the coating adhesive tape, 2 caster wheels are respectively pressed on 2 concave arc sections of the coating adhesive tape and float up and down along with the increase and decrease of the materials, when the 2 caster wheels float down to the lowest point along with the gradual decrease of the materials, the material is unloaded promptly, and the cladding sticky tape falls and bears the sticky tape parallel, by adjusting pad and U-shaped rubber slab carry on spacingly to the cantilever, have an abrasionproof between 2 truckles and the cladding sticky tape and decrease the clearance.
The abrasion-proof clearance is 5-10 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the large-scale belt conveyor's of big inclination pressure belt assembly cantilever and conveyer frame are the triangle structure with carrying the cladding sticky tape when using for press belt assembly's stability good, and shock resistance is strong, therefore the material can be carried by high speed in high-speed moving bearing rubber belt and cladding sticky tape and not spill, and no raise dust, noiselessness compares the less large-scale belt conveyor in inclination among the prior art, has improved the production efficiency in the stage of climbing, because the cantilever is 30 ~ 35 with the contained angle of cladding sticky tape central line, compares the less large-scale belt conveyor in inclination among the prior art, under same operating mode condition, has reduced area, has practiced thrift the steel quantity, has energy saving and consumption reduction's advantage.
(2) The utility model is provided with the torsion spring on the upper part of the cantilever and the cantilever support, when the material amount in the coated adhesive tape which runs at high speed changes, the cantilever in the tape pressing device can be stably and automatically adjusted through the caster wheel and the torsion spring, the caster wheel in the tape pressing device and the coated adhesive tape can be always stably and tightly combined, the contact form of the caster wheel and the coated adhesive tape is rolling friction, the friction resistance is small, the stability of the tape pressing device is good,
(3) the utility model discloses the upper end of the first axle round pin ear of cantilever surely goes out first inclined plane to a left side the upper end of first axle round pin ear surely goes out the second inclined plane to the right side, when the cantilever drives the truckle around cantilever axle luffing motion, the restriction that upwards floated the scope received first inclined plane floats at alpha angle within range, the restriction that the scope floated down received the second inclined plane floats at beta angle within range, except that truckle and cladding sticky tape that enable in the pressure belt device remain steady throughout, the inseparable joint, still played and guaranteed that the cantilever drives the truckle and restrict at the safe area around cantilever axle luffing motion, guarantee conveyer safe and steady operation.
(4) The utility model discloses install right side open-ended U-shaped rubber slab on the cantilever support, install the adjustment pad in the right side opening of U-shaped rubber slab to through second bolt locking fixation, by adjustment pad, second bolt and U-shaped rubber slab constitute the buffering stop gear of cantilever, can play the guard action to the cantilever, simultaneously, no-load at the material, the cladding sticky tape falls down and bears the sticky tape parallel, adjustment pad and U-shaped rubber slab can also carry on spacingly to the cantilever, make to have an abrasionproof to decrease the clearance between 2 truckles and the cladding sticky tape, all play the abrasionproof to cantilever and cladding sticky tape simultaneously and decrease the effect, improved the life of device and cladding sticky tape to the conveyer safe and stable operation has further been guaranteed.
(5) The utility model discloses a modular design of truckle is taken to a cantilever, and simple structure can confirm to adopt use quantity according to the broad width of conveyer belt, and installation, maintenance and change are all very convenient.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a left side view of figure 1,
figure 3 is a front view of the cantilever of the present invention,
figure 4 is a left side view of figure 3,
figure 5 is a front view of the cantilever support of the present invention,
figure 6 is a top view of figure 5,
figure 7 is a schematic view of the installation of the utility model in the use state,
fig. 8 is a left side view of fig. 7.
In the figure:
1. a caster wheel is arranged on the base plate,
2. the suspension arm is provided with a suspension arm,
2-1, a rear side wall, 2-2, a front side wall,
2-3, connecting plates, 2-4 reinforcing plates,
2-5, end plate, 2-6, first axle pin ear,
2-7, 2-8,
2-9, 2-10, a second inclined plane,
3. a cantilever support is arranged on the cantilever support,
3-1, a left support plate, 3-2, a right support plate,
3-3, a bottom plate, 3-4, a top plate,
3 to 5 second shaft pin lugs, 3 to 6 third axial through holes, 3 to 7 mounting holes,
4. a torsion spring is arranged on the base plate,
5. a cantilever shaft, 6, a first bolt,
7. an adjusting pad, 8, a second bolt,
9. a rubber plate, 10, a lock nut,
11. a frame of the conveyor is provided with a plurality of rollers,
12. a third bolt, 13, material,
14. carrying adhesive tape, 15. coating adhesive tape.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention includes a caster 1, a cantilever 2 and a cantilever support 3;
as shown in fig. 3-4, the cantilever 2 comprises a front side wall 2-1 and a rear side wall 2-2, the front side wall 2-1 and the rear side wall 2-2 are connected together through 3 connecting plates 2-3, reinforcing plates 2-4 are respectively welded on the left and right sides of the upper ends of the front side wall 2-1 and the rear side wall 2-2, an end plate 2-5 is welded on the upper end of each reinforcing plate 2-4, a front first shaft pin lug and a rear first shaft pin lug 2-6 are welded on the upper surface of the end plate 2-5, a first axial through hole 2-7 is processed on each first shaft pin lug 2-6, and a second axial through hole 2-8 is correspondingly processed at the bottoms of the front side wall 2-1 and the rear side wall 2-2; cutting a first inclined plane 2-9 at the upper end surface of the first shaft pin lug 2-6 to the left, cutting a second inclined plane 2-10 at the upper end surface of the first shaft pin lug 2-6 to the right, wherein the included angle between the first inclined plane 2-9 and the left end surface is alpha, the included angle alpha is 25-30 degrees, the included angle between the second inclined plane 2-10 and the upper end surface is beta, and the included angle beta is 15-20 degrees;
as shown in fig. 5 and 6, the cantilever support 3 comprises a left support plate 3-1 and a right support plate 3-2, a bottom plate 3-3 is welded at the bottoms of the left support plate 3-1 and the right support plate 3-2, a top plate 3-4 is welded at the tops of the left support plate 3-1 and the right support plate 3-2, a second shaft pin 3-5 corresponding to the first shaft pin 2-6 of the cantilever 2 is welded between the left support plate 3-1 and the right support plate 3-2, and a third axial through hole 3-6 corresponding to and communicated with the first axial through hole 2-7 of the cantilever 2 is processed in each second shaft pin 3-5; 4 mounting holes 3-7 are processed on the top plate 3-4;
as shown in fig. 1 to 6, the cantilever support 3 is hinged with the cantilever 2 through a cantilever shaft 5, and the cantilever shaft 5 is installed in a first axial through hole 2-7 and a corresponding communicated third axial through hole 3-6 of the cantilever 2; the left end of the cantilever shaft 5 is positioned through a shoulder thereof, the right end of the cantilever shaft 5 is locked through a locking nut 10, a torsion spring 4 is installed on the cantilever shaft 5, a third bolt 12 is installed in a second axial through hole 2-8 at the bottom of the cantilever 2, a caster 1 is installed on the third bolt 12, the cantilever 2 can drive the caster 1 to swing up and down around the cantilever shaft 5, and the first inclined surface 2-9 and the second inclined surface 2-10 of the cantilever 2 help the cantilever 2 to drive the caster 1 to swing up and down around the cantilever shaft 5 and limit the swing angle of the cantilever 2; the cantilever support 3 is provided with a U-shaped rubber plate 9 with an opening at the right side, the right opening of the U-shaped rubber plate 9 is internally provided with an adjusting pad 7 which is locked and fixed by a second bolt 8, the adjusting pad 7, the second bolt 8 and the U-shaped rubber plate 9 form a limiting mechanism of the downward swing of the cantilever 2, and the cantilever 2 plays a role of buffering when swinging up and down around the cantilever shaft 5,
as shown in fig. 7 and 8, when in use, 2 of the present invention are arranged and installed on the conveyor frame 11 in front and back, and are locked and fixed by the first bolt 6 through 4 installation holes 3-7 processed on the top plate 3-4 of the cantilever support 3, and the included angle between the cantilever 2 and the central line of the coated adhesive tape 15 is 30-35 degrees; when the material conveying device works, when the materials 13 are conveyed between the bearing adhesive tape 14 and the coating adhesive tape 15, 2 caster wheels 1 are respectively pressed on 2 concave arc sections of the coating adhesive tape 15 and float up and down along with the increase and decrease of the materials 13; when the material 13 is fully loaded, the 2 castors 1 float upwards along with the material 13, and the upwards floating range is limited to float within the range of alpha of 25-30 degrees by the first inclined planes 2-9 on the first shaft pin lugs 2-6 of the cantilever 2; when the materials 13 are gradually reduced, the 2 casters 1 gradually float downwards along with the gradual reduction of the materials until no load exists, the coated adhesive tape 15 falls down to be parallel to the bearing adhesive tape 14, the downward floating range of the 2 casters 1 along with the gradual reduction of the materials 13 is limited by the second inclined plane 2-10 on the first axis pin ear 2-6 of the cantilever 2 to float within the range of beta of 15-20 degrees, when the 2 casters 1 float downwards along with the gradual reduction of the materials to the lowest point, namely the materials are in no load, the coated adhesive tape 15 falls down to be parallel to the bearing adhesive tape 14, the adjusting pad 7 and the U-shaped rubber plate 9 limit the swinging cantilever 2, and an anti-abrasion gap D of 5-10 mm is formed between the 2 casters 1 and the coated adhesive tape 15 to reduce mutual abrasion.
Claims (5)
1. The cantilever type belt pressing device of the large-scale belt conveyor with the large inclination angle comprises casters (1), cantilevers (2) and cantilever supports (3), and is characterized in that the cantilevers (2) are hinged to the cantilever supports (3) through cantilever shafts (5), each cantilever (2) comprises a front side wall (2-1) and a rear side wall (2-2), the front side walls (2-1) and the rear side walls (2-2) are connected together through connecting plates (2-3), reinforcing plates (2-4) are respectively welded on the left side and the right side of the upper ends of the front side walls (2-1) and the rear side walls (2-2), end plates (2-5) are welded on the upper ends of the 2 reinforcing plates (2-4), front and rear first shaft pin lugs (2-6) are welded on the end plates (2-5), first axial through holes (2-7) are machined in each first shaft pin lug (2-6), a second axial through hole (2-8) is correspondingly processed at the bottom of the front side wall (2-1) and the rear side wall (2-2); a first inclined plane (2-9) is cut out of the upper end surface of the first pin lug (2-6) towards the left, a second inclined plane (2-10) is cut out of the upper end surface of the first pin lug (2-6) towards the right, the included angle between the first inclined plane (2-9) and the left end surface is alpha, the included angle between the second inclined plane (2-10) and the upper end surface is beta, a torsion spring (4) is installed on the cantilever shaft (5), a third bolt (12) is installed in a second axial through hole (2-8) at the bottom of the cantilever (2), a caster (1) is installed on the third bolt (12), the cantilever (2) can drive the caster (1) to swing up and down around the cantilever shaft (5), the upward floating range is limited by the first inclined plane (2-9) to float within the alpha angle range, and the downward floating range is limited by the second inclined plane (2-10) to float within the beta angle range, install right side open-ended U-shaped rubber slab (9) on cantilever support (3), install adjusting pad (7) in the right side opening of U-shaped rubber slab (9) to it is fixed through second bolt (8) locking, by adjusting pad (7), second bolt (8) and U-shaped rubber slab (9) constitute the buffering stop gear of cantilever (2).
2. The cantilever type belt pressing device of a large-scale belt conveyor with a large inclination angle according to claim 1, wherein the cantilever support (3) comprises a left support plate (3-1) and a right support plate (3-2), a bottom plate (3-3) is welded at the bottom of the left support plate (3-1) and the right support plate (3-2), a top plate (3-4) is welded at the top of the left support plate (3-1) and the right support plate (3-2), a second shaft pin lug (3-5) corresponding to the first shaft pin lug (2-6) is welded between the left support plate (3-1) and the right support plate (3-2), a third axial through hole (3-6) corresponding to the first axial through hole (2-7) is machined at each second shaft pin lug (3-5), the cantilever shaft (5) is arranged in the first axial through hole (2-7) and the third axial through hole (3-6) which is correspondingly communicated with the first axial through hole; 4 mounting holes (3-7) are processed on the top plate (3-4).
3. The cantilevered belt press of a large-scale belt conveyor with a large inclination according to claim 1, characterized in that the angle α between the first inclined plane (2-9) and the left end surface is 25 ° to 30 °, and the angle β between the second inclined plane (2-10) and the upper end surface is 15 ° to 20 °.
4. The cantilever type belt pressing device of a large-scale belt conveyor with a large inclination angle according to claim 2 or 3, characterized in that 2 belt pressing devices of the large-scale belt conveyor with the large inclination angle are locked and fixed with a conveyor frame (11) through 4 mounting holes (3-7) processed on a top plate (3-4) of a cantilever support (3) by a first bolt (6) when in use, the included angle between the cantilever (2) and the central line of the coated rubber belt (15) is 30-35 degrees, the cantilever (2) is limited by the adjusting pad (7) and the U-shaped rubber plate (9), and an abrasion-proof gap (D) is arranged between 2 casters (1) and the coated rubber belt (15).
5. The cantilevered belt press of a large belt conveyor with a large inclination according to claim 4, characterized in that the wear gap (D) is 5-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011385.2U CN211309823U (en) | 2019-11-20 | 2019-11-20 | Cantilever type belt pressing device of large-inclination-angle large belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011385.2U CN211309823U (en) | 2019-11-20 | 2019-11-20 | Cantilever type belt pressing device of large-inclination-angle large belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211309823U true CN211309823U (en) | 2020-08-21 |
Family
ID=72056565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922011385.2U Withdrawn - After Issue CN211309823U (en) | 2019-11-20 | 2019-11-20 | Cantilever type belt pressing device of large-inclination-angle large belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211309823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758984A (en) * | 2019-11-20 | 2020-02-07 | 沈阳中煤设计研究院有限公司 | Cantilever type belt pressing device of large-inclination-angle large belt conveyor |
-
2019
- 2019-11-20 CN CN201922011385.2U patent/CN211309823U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758984A (en) * | 2019-11-20 | 2020-02-07 | 沈阳中煤设计研究院有限公司 | Cantilever type belt pressing device of large-inclination-angle large belt conveyor |
| CN110758984B (en) * | 2019-11-20 | 2024-04-30 | 沈阳中煤设计研究院有限公司 | Cantilever type belt pressing device of large-inclination-angle large-sized belt conveyor |
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Granted publication date: 20200821 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned |
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