CN213770175U - Split assembled chain wheel assembly - Google Patents
Split assembled chain wheel assembly Download PDFInfo
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- CN213770175U CN213770175U CN202022144854.0U CN202022144854U CN213770175U CN 213770175 U CN213770175 U CN 213770175U CN 202022144854 U CN202022144854 U CN 202022144854U CN 213770175 U CN213770175 U CN 213770175U
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- bearing seat
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Abstract
The utility model relates to a transmission system of conveying equipment in the pit specifically is a divide assembled sprocket assembly, including sprocket shaft (5), sprocket (9), bearing (15) and bearing frame (4). The chain wheel (9) is an integral chain wheel and is arranged in the middle of the chain wheel shaft (5), and two rows of parallel gear teeth are arranged on the chain wheel (9). The left side and the right side of the chain wheel (9) are respectively provided with a bearing (15) and a bearing seat (4) which are arranged at two ends of a chain wheel shaft (5); half of the external section of the bearing seat (4) is rectangular and half is circular. By adopting the design, on one hand, the number of the chain wheels (9) is reduced, and the chain wheels can be adapted to a single circular ring chain, so that the total mass of the machine is greatly reduced; on the other hand, one side of the square upper part of the bearing seat (4) is directly fixed with the frame, so that the chain wheel component is more stable, and the running efficiency of the machine is improved.
Description
Technical Field
The utility model relates to a transmission system of conveying equipment in pit specifically is a novel assembled sprocket assembly that divides that uses among the scraper conveyor.
Background
The chain wheel of the scraper conveyor plays a very important role in the transmission system of the whole scraper conveyor. The high-quality scraper conveyor chain wheel assembly can improve the transportation performance of the whole scraper conveyor and prolong the service life.
The traditional chain wheel assembly bearing seat is cylindrical, the fixing mode of the traditional chain wheel assembly bearing seat and the headstock is a cylindrical pin fixing mode, the traditional chain wheel assembly bearing seat is very difficult to install and disassemble, and the cylindrical bearing seat is easy to loosen in the operation process to influence the operation of a conveyor.
The SGD800/1050 and SGD1000/1710 quarter turn scraper conveying integrated machine is underground coal mine coal face conveying equipment. The scraper conveying all-in-one machine is matched with a coal mining machine support for use, is suitable for a slowly inclined medium-thickness coal seam and a thick-coal seam long-arm type stoping face below 15 degrees, is used for conveying coal mined from a working face to a machine head, unloading the coal onto a belt conveyor and conveying the coal onto a well through equipment such as the belt conveyor, and has a conveying function, a crushing function and a transshipment function. Therefore, whether the chain wheel assembly can normally operate or not directly influences the production capacity of the working face, and the chain wheel assembly plays a key role in the operation process of the scraper conveyor all-in-one machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a divide an assembled sprocket assembly has solved the sprocket and has installed unstable, the short, the limited problem of application occasion of life on the conveyer.
In order to solve the technical problem, the utility model discloses a technical scheme does: a sub-assembly sprocket assembly includes a sprocket shaft, a sprocket, a bearing and a bearing seat.
The chain wheel is an integral chain wheel and is arranged in the middle of the chain wheel shaft, and two rows of parallel gear teeth are arranged on the chain wheel.
The left side and the right side of the chain wheel are respectively provided with a bearing and a bearing seat which are arranged at two ends of a chain wheel shaft; and one half of the external section of the bearing seat is rectangular and the other half is circular.
The fixing mode of the set of chain wheel components is as follows: the clamping grooves in the chain wheel assembly are fixed on the two sides of the side plate of the headstock by the bolts and the clamping plates, and the mode of installing and fixing the chain wheel assembly is firmer than the prior mode and is also more stable in the operation process of the scraper conveyor.
And only one chain wheel is arranged on the chain wheel shaft and is in transition fit with the chain wheel shaft. The design of a single chain wheel enables the weight of the conveyor to be reduced and the conveyor to be easier to move; meanwhile, corresponding parts are reduced, and maintenance cost is reduced.
And an oil filling port and an exhaust hole are formed in the bearing seat. The position of the oil injection port of the bearing seat is convenient for workers in the well to inject grease into the grease gun, and the normal operation and use of the bearing in the chain wheel component are ensured.
The bearing seat further comprises a clamping groove for fixing. The shape and the size of the clamping groove are matched with the rack of the conveyor, so that the bearing seat can be conveniently placed into the rack for fixing.
The chain wheel assembly has the advantages of lubricating oil feeding mode and mounting and dismounting mode, so that the chain wheel assembly with the structure can be adopted to improve the machine performance when a scraper conveyor with high power or low power is designed.
The chain wheel assembly is applied to a quarter turn scraper conveyor and is matched with a single round-link chain with variable pitch, and the tooth form of the chain wheel is matched with the single round-link chain with variable pitch. The chain wheel shaft is sequentially provided with a chain wheel, a bearing and a bearing seat, and after the positions of all components on the shaft are fixed, the extending end of the chain wheel shaft is connected with the output shaft of the motor. The clamping groove of the bearing seat is matched with the head frame of the quarter turn scraper conveyor to fix the chain wheel assembly.
Preferably, the lubrication design of the chain wheel assembly is that an oil filling opening and an air exhaust opening are designed at the position of a bearing seat of the chain wheel assembly. The position of the oil injection port of the bearing seat is convenient for workers in the well to inject grease into the grease gun, and the normal operation and use of the bearing in the chain wheel component are ensured.
Compared with the prior art, the utility model has the substantive characteristics that:
1. the traditional chain wheel assembly bearing seat is cylindrical, the fixing mode of the traditional chain wheel assembly bearing seat and the headstock is a cylindrical pin fixing mode, the traditional chain wheel assembly bearing seat is very difficult to install and disassemble, and the cylindrical bearing seat is easy to loosen in the operation process to influence the operation of the conveyor. And this sprocket assembly's bearing frame design is half square semicircle type, and operating personnel can fix the draw-in groove on the sprocket assembly in headstock curb plate both sides with bolt and cardboard to square one end, therefore the sprocket assembly is more firm on the machine, and the sprocket assembly is more stable in the machine operation process.
2. A single round-link chain is used for driving. Compared with the prior double-chain arrangement, the whole machine has the advantages of reduced mass, simpler and more convenient operation during assembly, and capability of conveying a large amount of materials in a small-capacity space; meanwhile, the machine is more stable in operation, the conveying energy consumption is low, and the service life of the scraper conveyor is prolonged. The round-link chain used by the chain wheel assembly is a single round-link chain phi 48x 156/phi 56x142 which is an inlet round-link chain with variable pitch, and the unique single round-link chain with variable pitch is satisfied by the tooth-shaped structural design of the chain wheel body.
3. The chain wheel body is integrally forged and machined, so that the chain wheel teeth are more stable in the operation process relative to a combined type chain wheel, and the service life of the scraper conveying all-in-one machine is prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a front view in half cross-section of the assembled sprocket assembly of the present invention.
Fig. 2 is a left side view of the split sprocket assembly (SGD 800/1050 model sprocket assembly) of the present invention.
Fig. 3 is a left side view of the split modular sprocket assembly (SGD 1000/1710 model sprocket assembly) of the present invention.
In the figure: 1. the device comprises a screw plug, 2 parts of an end cover, 3 parts of a baffle cover, 4 parts of a bearing seat, 5 parts of a chain wheel shaft, 6 parts of a positioning sleeve, 7 parts of a roller, 8 parts of a convex edge sleeve, 9 parts of a chain wheel, 10 parts of a floating seal seat, 11 parts of a transparent cover, 12 parts of a retainer ring, 13 parts of a sheath, 14 parts of a protective cover, 15 parts of a bearing and 16 parts of a floating seal ring assembly.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
A sub-assembly type chain wheel assembly comprises a chain wheel shaft 5, wherein the extending end of the chain wheel shaft 5 is connected with an output shaft of a motor, and a chain wheel 9, a bearing 15 and a bearing seat 4 are installed on the chain wheel shaft 5.
Wherein, the chain wheel 9 is an integral chain wheel, and is provided with two rows of parallel gear teeth; the left side and the right side of the chain wheel 9 are respectively provided with a bearing 15 and a bearing seat 4, and half of the external section of the bearing seat 4 is rectangular and half is circular.
The chain wheel component is applied to a right-angle scraper conveyor, and when the chain wheel component is assembled, a chain wheel 9 is firstly installed on a chain wheel shaft 5, so that the chain wheel 9 is positioned in the middle of the chain wheel shaft 5; the sprocket wheel 9 is then fixed at both ends by means of the flange sleeves 8. The other side of the two end convex edge sleeves 8 is respectively sleeved with a roller 7; a pair of bearings 15 are installed at two ends of the chain wheel shaft 5, bearing seats 4 are correspondingly arranged outside the bearings 15, and two positioning sleeves 6 are respectively arranged at two ends to determine the positions of the bearings 15.
On the side connected with the motor, the bearing seat 4 is sealed by a transparent cover 11 and a retainer ring 12, and a sheath 13 and a protective cover 14 are arranged at the extending end of the chain wheel shaft 5; the port of the bearing seat 4 on the other side is sealed by a screw plug 1 and an end cover 2, and the end face of the chain wheel shaft 5 inside is provided with a baffle cover 3 which is fixed by a plurality of screws. The two ends of each group of bearings 15 are also provided with sealing components: the floating seal seat 10 and the floating seal ring assembly 16 can prevent oil from entering the interior of the machine too much during grease injection lubrication, so that the oil utilization rate is improved.
Then a circular ring chain is fixed on the right-angle scraper conveyor, and the circular ring chain and the chain wheel 9 can be matched for use and is a single circular ring chain with variable pitch. After the chain is installed, the chain wheel component is fixed with the rack at the head of the scraper conveyor. Because the bearing seat 4 is in the shape of a half square semicircle, the square end of the bearing seat 4 is matched with the frame and fixed by bolts. And the chain is arranged along the circular ring chain to form a complete conveying chain to run on a right-angle scraper conveyor.
In addition, the bearing block 4 of this sprocket assembly is designed with an oil filling opening and an air vent. The position of the oil injection port of the bearing seat 4 is convenient for workers in the well to inject grease into the grease gun and lubricate internal parts, so that the machine can run more smoothly.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A sub-assembly sprocket assembly, comprising: comprises a chain wheel shaft, a chain wheel, a bearing and a bearing seat;
the chain wheel is an integral chain wheel and is arranged in the middle of a chain wheel shaft, and two rows of parallel gear teeth are arranged on the chain wheel;
the left side and the right side of the chain wheel are respectively provided with a bearing and a bearing seat which are arranged at two ends of a chain wheel shaft; the bearing seat is characterized in that one half of the outer section of the bearing seat is rectangular, and the other half of the outer section of the bearing seat is circular;
only one chain wheel is arranged on the chain wheel shaft and is in transition fit with the chain wheel shaft;
an oil filling port and an exhaust hole are formed in the bearing seat;
the bearing seat further comprises a clamping groove for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144854.0U CN213770175U (en) | 2020-09-27 | 2020-09-27 | Split assembled chain wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144854.0U CN213770175U (en) | 2020-09-27 | 2020-09-27 | Split assembled chain wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213770175U true CN213770175U (en) | 2021-07-23 |
Family
ID=76906656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022144854.0U Active CN213770175U (en) | 2020-09-27 | 2020-09-27 | Split assembled chain wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213770175U (en) |
-
2020
- 2020-09-27 CN CN202022144854.0U patent/CN213770175U/en active Active
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