CN205346041U - Scraper conveyor and aircraft nose sprocket that is used for scraper conveyor - Google Patents
Scraper conveyor and aircraft nose sprocket that is used for scraper conveyor Download PDFInfo
- Publication number
- CN205346041U CN205346041U CN201521084494.2U CN201521084494U CN205346041U CN 205346041 U CN205346041 U CN 205346041U CN 201521084494 U CN201521084494 U CN 201521084494U CN 205346041 U CN205346041 U CN 205346041U
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- connecting block
- tail
- sprocket
- scraper conveyor
- chain wheel
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- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model discloses a scraper conveyor's aircraft nose sprocket, including sprocket body and fixed disk, both fixed connection and middle part all have the centre bore, and the internal diameter of the centre bore of sprocket body is not less than the internal diameter of the centre bore of fixed disk, the sprocket body is the gear column structure, and including left connecting block and right connecting block, the centre bore of sprocket body is formed according to predetermineeing angle combination encirclement by left connecting block and right connecting block, and the outside edge of left connecting block and right connecting block all has the teeth of a cogwheel, all has a plurality of mounting holes on the wheel hub of sprocket body, the fixed disk is cylindrical, has the protruding portion on the outer wall of its centre bore, has a plurality of locating holes on the protruding portion, locating hole and mounting hole adaptation. The utility model also discloses a scraper conveyor which includes foretell aircraft nose sprocket, tail sprocket and tail axle. Utilize the utility model discloses in aircraft nose sprocket wearing and tearing back, only need to dismantle and change the sprocket body, need not to remove stage makeup and costume to whole aircraft nose sprocket, improved maintenance efficiency.
Description
Technical Field
The utility model relates to a conveyer technical field, concretely relates to scraper conveyor and aircraft nose sprocket that is used for scraper conveyor.
Background
Scraper conveyors are widely used in various production units as continuous bulk material transport machines. Fig. 1 shows a schematic view of a head sprocket mounting of a scraper conveyor, which is a conventional scraper conveyor, wherein a head sprocket 1 ' includes a sprocket body 101 ', the sprocket body 101 ' is cylindrical, a central hole is formed in the center of the sprocket body 101 ', a gear tooth 102 ' is formed on the outer circumferential edge of the sprocket body 101 ', and a U-shaped groove 103 ' is formed in the gear tooth 102 ', and the groove 103 ' is used for being matched with a chain. The chain wheel 1 'is sleeved on the machine head shaft 2' and is directly connected with the machine head shaft 2 'in a key mode, bearing seats 3' are installed at two ends of the machine head shaft, and a coupler 4 'is installed on the outer side of the right side bearing seat 3'.
The head sprockets wear more heavily during operation of the scraper conveyor and therefore need to be replaced more often. After serious abrasion, the currently adopted treatment measure is to integrally replace a scraper conveyor head chain wheel, when the scraper conveyor head chain wheel is replaced, firstly, a scraper conveyor head assembly is detached, then a coupler 2 ', a bearing seat 3' and a bearing are detached, finally, the abraded head chain wheel 1 'is detached, the head chain wheel 1' is replaced, then the head chain wheel is reversely installed according to the procedures, the coupler of the head assembly needs to be aligned after the installation, and the whole replacement process needs 6-7 hours.
In practical application, only the part of the scraper conveyor head, which is in contact with the chain and the scraper, is worn, so that the whole chain wheel of the scraper conveyor head does not need to be replaced, and the whole replacement not only increases the material cost, but also increases the parking overhaul time and the labor intensity of workers.
Disclosure of Invention
In view of this, the utility model provides a aircraft nose sprocket for scraper conveyor sets up the aircraft nose sprocket into two independent parts, only needs to dismantle and change sprocket body after the aircraft nose sprocket wearing and tearing, has reduced repair time and manufacturing cost.
The utility model provides a aircraft nose sprocket for scraper conveyor, wherein, include: the chain wheel body and the fixed disc are fixedly connected, the middle parts of the chain wheel body and the fixed disc are provided with central holes, and the inner diameter of the central hole of the chain wheel body is not smaller than that of the central hole of the fixed disc; the chain wheel body is of a gear-shaped structure and comprises a left connecting block and a right connecting block, a center hole of the chain wheel body is formed by combining and surrounding the left connecting block and the right connecting block according to a preset angle, the outer edges of the left connecting block and the right connecting block are provided with gear teeth, and a plurality of mounting holes are formed in hubs of the chain wheel body; the fixed disc is cylindrical, a protruding part is arranged on the outer wall of the central hole of the fixed disc, a plurality of positioning holes are formed in the protruding part, and the positioning holes are matched with the mounting holes.
Preferably, the preset angle is theta, and theta is more than or equal to 150 degrees and less than or equal to 180 degrees.
Preferably, the protrusion is annular, which is disposed at an end of the central bore.
Preferably, the outer diameter of the projection is equal to the outer diameter of the hub of the sprocket body, and the two are fixedly connected by bolts in close proximity.
Preferably, the junction of the outer wall of the central hole and the inner side surface of the protruding part is provided with a fillet.
Preferably, the radius of the rounded corner is 10 ± 1 mm.
Preferably, the gear teeth are provided with grooves, and the grooves are U-shaped.
Preferably, the left connecting block and the right connecting block are integrally formed.
Preferably, the scraper conveyor comprises a machine head shaft, when the scraper conveyor is used, the fixed disc is sleeved on the machine head shaft and is in key connection with the machine head shaft, and the inner diameter of the central hole is equal to the outer diameter of the machine head shaft.
The utility model also provides a scraper conveyor, wherein, it includes as above the aircraft nose sprocket for scraper conveyor, it still includes tail sprocket and tail axle, wherein, the tail sprocket includes tail sprocket body and tail fixed disk, both fixed connections, and both middle parts all have the centre bore, wherein, tail sprocket body is the gear column structure, including tail left connecting block and tail right connecting block, the centre bore of tail sprocket body is enclosed by tail left connecting block and tail right connecting block according to the combination of predetermined angle, the outside edge of tail left connecting block and tail right connecting block all has the teeth of a cogwheel, all has a plurality of first mounting holes on the wheel hub of tail sprocket body; the tail fixing disc is cylindrical, a tail protruding part is arranged on the outer wall of a central hole of the tail fixing disc, a plurality of first positioning holes are formed in the tail protruding part, and the first positioning holes are matched with the first mounting holes; when the tail fixing disc is used, the tail fixing disc is sleeved on the tail shaft and is connected with the tail shaft through a key.
The utility model provides a aircraft nose sprocket for scraper conveyor is through setting up the aircraft nose sprocket into two independent parts of sprocket body and fixed disk to set up the sprocket body into controlling two connecting blocks, after aircraft nose sprocket wearing and tearing are serious, only need dismantle and change the sprocket body, need not to unload whole aircraft nose sprocket, it is extravagant to have avoided changing the material that whole aircraft nose sprocket caused in the past, and the production cost is practiced thrift, and sprocket body light in weight is little, easy to assemble, maintenance time has been reduced, maintenance efficiency is improved.
Drawings
FIG. 1 is a schematic illustration of the installation of a head sprocket of a prior art face conveyor.
Fig. 2 is a schematic structural diagram of a head sprocket for a scraper conveyor according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a fixed pan for a scraper conveyor according to an embodiment of the present invention.
Fig. 4 is a schematic view of an installation structure of a head sprocket for a scraper conveyor according to an embodiment of the present invention.
Fig. 5 is a schematic view of a mounting structure of a tail sprocket according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 2 shows the structural schematic diagram of the head sprocket for the scraper conveyor of the embodiment of the present invention, and fig. 3 shows the cross-sectional view of the fixed disk, and the head sprocket comprises two independent parts, namely a sprocket body 1 and a fixed disk 3. Sprocket body 1 and fixed disk 3 fixed connection, both middle parts all have the centre bore, and the internal diameter of the centre bore of sprocket body 1 is not less than the internal diameter of the centre bore of fixed disk 3.
The embodiment of the utility model provides an in, sprocket body 1 is the gear form, and it includes left connecting block 101 and right connecting block 102, both make up according to certain angle.
Further, the left connecting block 101 and the right connecting block 102 can be combined into the sprocket body 1 after being respectively cast and formed integrally with reference to the section A-A or B-B in FIG. 2. Theta is a smaller angle in the section of A-A or B-B, and theta is more than or equal to 150 degrees and less than or equal to 180 degrees.
In other embodiments, the left connecting block 101 and the right connecting block 102 may be designed with other cross sections, so that both can be directly detached from the head shaft.
The section B-B in fig. 2 is preferably selected to ensure the integrity of the gears and to extend the useful life of the sprocket.
The central hole of the chain wheel body 1 is formed by combining a left connecting block 101 and a right connecting block 102 according to a preset angle and then surrounding the two blocks. The outer edges of the left connecting block 101 and the right connecting block 102 are provided with gear teeth 103, and the hubs of the left connecting block 101 and the right connecting block 102 are provided with a plurality of mounting holes.
Further, the teeth 103 have grooves 104 for fixing the chain. The groove 104 is U-shaped, and may be formed in other shapes such as a rectangle.
The utility model discloses an in the embodiment, fixed disk 3 is cylindrical, and the centre bore sets up along its axial direction, is provided with protruding portion 301 on the outer wall of the centre bore of fixed disk 3, has a plurality of locating holes on the protruding portion 301, locating hole and mounting hole adaptation.
Further, the protruding portion 301 is ring-shaped, the protruding portion 301 is located at the end of the central hole, and the number and the position of the positioning holes correspond to the mounting holes on the hub.
Further, a fillet 303 is arranged at the joint of the inner side surface of the protruding part 301 and the outer wall of the central hole. Fillet 303 is under the condition that does not influence the bolt fastening sprocket, and its radius can maximize, avoids taking place unexpected circumstances such as chain jump because the granularity influence of coal, leads to the fixed disk 3 phenomenon of splitting that the aircraft nose sprocket atress is too big and cause. Preferably, the radius of the rounded corners 303 is 10 ± 1 mm.
Fig. 4 shows an installation schematic diagram of the head sprocket, when in use, the fixed disk 3 is sleeved on the head shaft 2, the fixed disk 3 is connected with the head shaft 2 in a key mode, then the left connecting block 101 and the right connecting block 102 are installed on the fixed disk 3, and hubs of the left connecting block 101 and the right connecting block 102 are abutted to the protruding portions 301 and connected through bolts.
When the scraper conveyor is worn seriously, only the left connecting block 101 and the right connecting block 102 need to be detached from the fixed disc 3 for replacement, the fixed disc 3 does not need to be replaced or detached, the material waste caused by replacing the whole machine head chain wheel in the past is avoided, the material cost is saved, and the integrity of a machine head shaft is ensured. The utility model discloses aircraft nose sprocket weight is little, can accomplish the change of aircraft nose sprocket alone, and simple to operate is swift. Meanwhile, the installation of the machine head chain wheel avoids the process of hoisting the traditional machine head chain wheel by using hoisting equipment, and omits the alignment procedure, thereby reducing the overhaul time, lightening the labor intensity of workers and improving the overhaul efficiency.
On the basis of the above embodiment, the tail sprocket of the scraper conveyor can be designed into the structure of the head sprocket. Fig. 5 shows a schematic view of the mounting structure of the tail chain wheel, the tail chain wheel comprises a tail chain wheel body 4 and a tail fixing disc 5, the tail chain wheel body 4 can be arranged into two half blocks with reference to the section a-a or B-B in fig. 2, and the tail fixing disc 5 has the same structure as the fixing disc.
The tail chain wheel is in a gear shape, a plurality of mounting holes are formed in a hub of the tail chain wheel body 4, and the mounting holes are fixedly connected with the positioning holes in the tail fixing disc 5 through bolts. The tail chain wheel body 4 and the tail fixing disc 5 are both sleeved on a tail shaft 6, and the tail fixing disc 5 is in key connection with the tail shaft 6.
The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.
Claims (10)
1. A head sprocket for a scraper conveyor, comprising: the chain wheel body and the fixed disc are fixedly connected, the middle parts of the chain wheel body and the fixed disc are provided with central holes, and the inner diameter of the central hole of the chain wheel body is not smaller than that of the central hole of the fixed disc; wherein,
the chain wheel body is of a gear-shaped structure and comprises a left connecting block and a right connecting block, a central hole of the chain wheel body is formed by combining and surrounding the left connecting block and the right connecting block according to a preset angle, the outer edges of the left connecting block and the right connecting block are provided with gear teeth, and a plurality of mounting holes are formed in hubs of the chain wheel body;
the fixed disc is cylindrical, a protruding part is arranged on the outer wall of the central hole of the fixed disc, a plurality of positioning holes are formed in the protruding part, and the positioning holes are matched with the mounting holes.
2. The head sprocket for a scraper conveyor as claimed in claim 1, wherein the predetermined angle is θ, and θ is 150 ° or more and 180 ° or less.
3. The head sprocket for a flight conveyor as in claim 1 wherein the projections are annular and are disposed at the end of the central bore.
4. The head sprocket for a scraper conveyor of claim 3, wherein the outer diameter of the protruding portion is equal to the outer diameter of the hub of the sprocket body, and the protruding portion and the hub are fixedly connected by bolts in close proximity.
5. The head sprocket for a scraper conveyor as claimed in claim 1, wherein the junction of the outer wall of the central hole and the inner side surface of the protrusion is rounded.
6. The head sprocket for a flight conveyor as in claim 5 wherein the radius of the fillet is 10 ± 1 mm.
7. The head sprocket for a flight conveyor as in claim 1 wherein the teeth have a recess therein, the recess being U-shaped.
8. The head sprocket for a scraper conveyor of claim 1, wherein the left connecting block and the right connecting block are integrally formed.
9. The head sprocket for a scraper conveyor as claimed in claim 1, wherein the scraper conveyor comprises a head shaft, and wherein the head shaft is sleeved with the fixing disk, the fixing disk is in key connection with the head shaft, and the inner diameter of the central hole is equal to the outer diameter of the head shaft.
10. A scraper conveyor, characterized in that it comprises the head sprocket for scraper conveyor of any one of claims 1-9, it further comprises a tail sprocket and a tail shaft, wherein the tail sprocket comprises a tail sprocket body and a tail fixing disc, both are fixedly connected, and both have a central hole in the middle, wherein,
The chain wheel body of the tail is of a gear-shaped structure and comprises a left chain connecting block and a right chain connecting block, a central hole of the chain wheel body of the tail is formed by combining and surrounding the left chain connecting block and the right chain connecting block according to a preset angle, the outer edges of the left chain connecting block and the right chain connecting block of the tail are provided with gear teeth, and a plurality of first mounting holes are formed in a hub of the chain wheel body of the tail;
the tail fixing disc is cylindrical, a tail protruding part is arranged on the outer wall of a central hole of the tail fixing disc, a plurality of first positioning holes are formed in the tail protruding part, and the first positioning holes are matched with the first mounting holes;
when the tail fixing disc is used, the tail fixing disc is sleeved on the tail shaft and is connected with the tail shaft through a key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084494.2U CN205346041U (en) | 2015-12-23 | 2015-12-23 | Scraper conveyor and aircraft nose sprocket that is used for scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084494.2U CN205346041U (en) | 2015-12-23 | 2015-12-23 | Scraper conveyor and aircraft nose sprocket that is used for scraper conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN205346041U true CN205346041U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521084494.2U Active CN205346041U (en) | 2015-12-23 | 2015-12-23 | Scraper conveyor and aircraft nose sprocket that is used for scraper conveyor |
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| Country | Link |
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| CN (1) | CN205346041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434359A (en) * | 2018-12-29 | 2019-03-08 | 四川川锅锅炉有限责任公司 | A kind of Industrial Boiler welding rotation assistance platform |
-
2015
- 2015-12-23 CN CN201521084494.2U patent/CN205346041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434359A (en) * | 2018-12-29 | 2019-03-08 | 四川川锅锅炉有限责任公司 | A kind of Industrial Boiler welding rotation assistance platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |