CN211553292U - Sprocket no-load test run experimental apparatus - Google Patents
Sprocket no-load test run experimental apparatus Download PDFInfo
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- CN211553292U CN211553292U CN202020298434.5U CN202020298434U CN211553292U CN 211553292 U CN211553292 U CN 211553292U CN 202020298434 U CN202020298434 U CN 202020298434U CN 211553292 U CN211553292 U CN 211553292U
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- sprocket
- chain wheel
- hydraulic motor
- fixing
- load test
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Abstract
The utility model discloses a sprocket no-load test operation experimental apparatus, including sprocket mount and elastic coupling dish, the sprocket mount include base and support frame, the support frame include support frame bottom and retainer plate, elastic coupling dish one end connect the sprocket shaft of sprocket group, cycloid hydraulic motor is connected to the other end, cycloid hydraulic motor pass through operating valve, main oil pump connection oil tank, main oil pump connection motor. The utility model discloses a cycloid hydraulic motor drives the sprocket shaft and constantly rotates to detect oil seal nature, can realize the long-time continuous detection of sprocket, and need not use a large amount of manpower control, convenient to use and detection are timely.
Description
Technical Field
The utility model belongs to coal mine equipment detection area especially relates to a sprocket unloaded test run experimental apparatus.
Background
At present, due to the reasons of severe use environment, complex working condition, design defects and the like, and the lack of necessary detection means, the chain wheel shaft group of the scraper conveyer and various reversed loaders used in the fully mechanized mining face of a mining area often has an oil leakage problem, and the mine production is directly influenced. The mining chain wheel set is assembled without a simulation running test, the problem of assembly quality is difficult to find, most overhauling enterprises leave a factory without running tests after overhauling, oil leakage in the using process can be caused, the oil leakage phenomenon frequently occurs in the equipment running process, the secondary well lifting repair work amount is large, and normal production and use are affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a no-load test run experimental apparatus of sprocket.
The utility model discloses a realize like this: a sprocket no-load test operation experimental device comprises a sprocket fixing frame and an elastic connecting disc, wherein the sprocket fixing frame comprises a base and a supporting frame, the supporting frame comprises a supporting frame bottom and a fixing ring, the fixing ring is an arc detachable fixing ring, the fixing ring is formed by connecting two semicircles through fixing screws, the fixing ring is arranged at the upper part of the supporting frame, the bottom of the supporting frame is connected with the base, the arc detachable fixing ring is used for fixing a bearing part of a sprocket group, and the number of the supporting frames is two and is arranged at two ends of the sprocket group; the hydraulic control system is characterized in that one end of the elastic connecting disc is connected with a chain wheel shaft of the chain wheel set, the other end of the elastic connecting disc is connected with the cycloid hydraulic motor, the cycloid hydraulic motor is connected with an oil tank through an operating valve and a main oil pump, the main oil pump is connected with a motor, the operating valve is connected with the cycloid hydraulic motor in two ways, one-way throttle valves are arranged on the two ways of pipelines, and the main oil pump is connected with the operating valve and is provided with an overflow valve and a pressure gauge.
The cycloid hydraulic motor is a low-speed cycloid motor with small torque, and the rotating speed is 30-50 r/min.
And a filter is arranged on a pipeline of the oil tank connected with the main oil pump.
The rated torque and the rotating speed of the main oil pump are larger than those of the cycloid hydraulic motor, so that enough power can be conveniently provided for the cycloid hydraulic motor.
The support frame be two, one of them is fixed on the base, another one can move along base slide rail.
The retainer plate a plurality of, and the internal diameter that the retainer plate was dismantled to a plurality of circular arc is different, be connected with the support frame bottom alone respectively, the fixed screw of shown retainer plate still with support frame bottom threaded connection.
The utility model has the advantages that: (1) drive sprocket shaft group through cycloid hydraulic motor and constantly rotate to detect oil seal nature, can realize that the long-time of sprocket lasts and detects, and need not use a large amount of manpower control, convenient to use just detects in time. (2) The small-sized motor (motor-driven main oil pump), the pump and the motor are hydraulically driven, the configuration is convenient, the manufacturing cost is low, only about ten thousand yuan is needed, and compared with the method of driving the reduction gearbox (motor-driven chain wheel) by the motor, the cost is saved, (the motor-driven reduction gearbox (motor-driven chain wheel) is higher in manufacturing cost, about 5 ten thousand yuan). (3) The circular arc detachable fixing ring is of a detachable structure, the two matched supporting frames are arranged, one of the circular arc detachable fixing ring is fixed on the base, the other circular arc detachable fixing ring can move along the base sliding rail, and the technical characteristics can be used for detecting chain wheels of different specifications.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the hydraulic structure of the present invention;
FIG. 3 is a schematic view of the structure of the sprocket fixing frame of the present invention;
FIG. 4 is a left side view of the structure of the sprocket fixing frame of the present invention;
FIG. 5 is a schematic view of the structure of the sprocket assembly of the present invention;
in the figure: 1-chain wheel, 2-chain wheel shaft, 3- 'O' -shaped sealing ring, 4-shaft sleeve, 5-floating sealing ring, 6-bearing, 7-chain wheel fixing frame, 701-slide rail, 8-motor, 9-main oil pump, 10-oil tank, 11-operating valve, 12-one-way throttle valve, 13-cycloid hydraulic motor, 14-filter, 15-overflow valve, 16-pressure gauge, 17-elastic connecting disc, 18-support frame, 1801-support frame bottom, 1802-fixing ring, 1803-fixing screw, 19-base and 1901-base slide rail.
Detailed Description
In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.
The structure of the chain wheel set is shown in figure 5, and the chain wheel set comprises a chain wheel 1, a chain wheel shaft 2, an O-shaped sealing ring 3, a shaft sleeve 4, a floating sealing ring 5 and a bearing 6, wherein the chain wheel set mainly depends on the O-shaped sealing ring and the floating sealing ring in a sealing manner, and the chain wheel shaft set frequently has an oil leakage problem due to the facts that the use environment is severe, the working condition is complex, design defects, assembly problems and the like exist, and mine production is directly influenced. In order to ensure the use reliability, the chain wheel set needs to be subjected to operation tests before leaving factory or after overhaul.
The utility model provides a sprocket no-load test operation experimental apparatus as shown in fig. 1-4, including sprocket mount 7 and elastic coupling disk 17, sprocket mount 17 include base 19 and support frame 18, the support frame include support frame bottom 1801 and retainer plate 1802, retainer plate 1802 be the circular arc can dismantle the retainer plate, shown retainer plate is that two semicircles link together through set screw 1803, retainer plate 1802 set up in support frame 18 upper portion, support frame bottom 1801 be connected with base 19, circular arc can dismantle retainer plate 1802 and is used for the bearing 6 part of fixed sprocket group, support frame 18 be two, set up at the both ends of sprocket group; elastic coupling disk 17 one end connect sprocket shaft 2 of sprocket group, the cycloid hydraulic motor 13 is connected to the other end, cycloid hydraulic motor 13 pass through operating valve 11, main oil pump 9 and connect oil tank 10, main oil pump 9 connect motor 8, operating valve 11 connect cycloid hydraulic motor 13's pipeline be two ways, all be provided with one-way throttle valve 12 on the two ways pipeline, main oil pump 9 connect and be provided with overflow valve 15 and manometer 16 on the pipeline of operating valve 11. The cycloid hydraulic motor 13 is a low-speed cycloid motor with low torque, and the rotating speed is 30-50 r/min. A filter 14 is arranged on a pipeline of the oil tank 10 connected with the main oil pump 9. The rated torque and the rotating speed of the main oil pump 9 are greater than the torque and the rotating speed of the cycloid hydraulic motor 13, so that sufficient power can be conveniently provided for the cycloid hydraulic motor 13, two support frames 18 are provided, one of the two support frames is fixed on the base 19, the other support frame moves along the base sliding rail 1901, and the preferable support frame 18 capable of moving along the base sliding rail 1901 is provided with a locking device which is locked by detection.
The retainer plate 1802 be a plurality of, and the internal diameter that the retainer plate 1802 can be dismantled to a plurality of circular arc is different, be connected with support frame bottom 1801 respectively alone, the fixed screw 1803 of retaining plate shown still with support frame bottom threaded connection.
The utility model discloses a cycloid hydraulic motor drives the sprocket shaft and constantly rotates to detect oil seal nature, can realize the long-time continuous detection of sprocket, and need not use a large amount of manpower control, convenient to use and detection are timely.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (6)
1. A sprocket no-load test operation experimental device comprises a sprocket fixing frame and an elastic connecting disc, and is characterized in that the sprocket fixing frame comprises a base and a supporting frame, the supporting frame comprises a supporting frame bottom and a fixing ring, the fixing ring is an arc detachable fixing ring, the two semicircles are connected together through a fixing screw, the fixing ring is arranged at the upper part of the supporting frame, the bottom of the supporting frame is connected with the base, the arc detachable fixing ring is used for fixing a bearing part of a sprocket group, and the two supporting frames are arranged at two ends of the sprocket group; the hydraulic control system is characterized in that one end of the elastic connecting disc is connected with a chain wheel shaft of the chain wheel set, the other end of the elastic connecting disc is connected with the cycloid hydraulic motor, the cycloid hydraulic motor is connected with an oil tank through an operating valve and a main oil pump, the main oil pump is connected with a motor, the operating valve is connected with the cycloid hydraulic motor in two ways, one-way throttle valves are arranged on the two ways of pipelines, and the main oil pump is connected with the operating valve and is provided with an overflow valve and a pressure gauge.
2. The experimental device for the no-load test running of the chain wheel as claimed in claim 1, wherein the cycloid hydraulic motor is a low-speed and low-torque cycloid motor with the rotating speed of 30-50 r/min.
3. The experimental device for the no-load test running of the chain wheel as claimed in claim 1, wherein a filter is arranged on a pipeline of the oil tank connected with the main oil pump.
4. The experimental device for the no-load test running of the chain wheel as claimed in claim 2, wherein the rated torque and the rated rotating speed of the main oil pump are greater than the torque and the rotating speed of the cycloid hydraulic motor.
5. The experimental device for the no-load test running of the chain wheel as claimed in claim 1, wherein one of the supporting frames is fixed on the base, and the other supporting frame moves along the sliding rail of the base.
6. The experimental device for no-load test running of the chain wheel as claimed in claim 5, wherein the number of the fixing rings is several, the inner diameters of the arc detachable fixing rings are different, the arc detachable fixing rings are respectively and independently connected with the bottom of the support frame, and the fixing screws of the fixing rings are further in threaded connection with the bottom of the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298434.5U CN211553292U (en) | 2020-03-12 | 2020-03-12 | Sprocket no-load test run experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298434.5U CN211553292U (en) | 2020-03-12 | 2020-03-12 | Sprocket no-load test run experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553292U true CN211553292U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020298434.5U Active CN211553292U (en) | 2020-03-12 | 2020-03-12 | Sprocket no-load test run experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553292U (en) |
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2020
- 2020-03-12 CN CN202020298434.5U patent/CN211553292U/en active Active
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