CN203101049U - Chain high-speed revolution fatigue testing machine - Google Patents
Chain high-speed revolution fatigue testing machine Download PDFInfo
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- CN203101049U CN203101049U CN 201320070954 CN201320070954U CN203101049U CN 203101049 U CN203101049 U CN 203101049U CN 201320070954 CN201320070954 CN 201320070954 CN 201320070954 U CN201320070954 U CN 201320070954U CN 203101049 U CN203101049 U CN 203101049U
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- tensioning
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Abstract
The utility model discloses a chain high-speed revolution fatigue testing machine which comprises a rack, a driving shaft and two protective boxes; the driving shaft and a frequency conversion motor are connected in a transmission mode; the two protective boxes are respectively positioned at two ends of the driving shaft; the driving shaft extends into the protective boxes and is provided with a driving chain wheel; a movable drag plate and the rack are vertically connected in a sliding mode; an adjusting screw rod, an adjusting nut and a loading spring are arranged on the top of the rack; the adjusting screw rod is connected with the movable drag plate by a tension sensor; the movable drag plate is provided with a driven shaft; the driven shaft extends into the protective boxes and is provided with a driven chain wheel; a constant load tensioning mechanism is arranged between the driven chain wheel and the driving chain wheel; and the rack is provided with an open-type cooling oil spraying heat exchange circulation system and a monitoring and controlling system. The chain high-speed revolution fatigue testing machine not only can meet the chain high-speed revolution fatigue test requirement, but also can not generate resonances and noises, can adjust the test parameter conditions as required, can monitor the test running situation in real time, and has the high automation degree.
Description
Technical field
The utility model relates to a kind of chain high speed rotary fatigue tester.
Background technology
The torture test of chain high speed rotary requires to have that load is relatively large, rotating speed is high, has tensioning system and forms confining force stream, and static and dynamic equilibrium requires high, and critical rotary speed is very easy to produce and impulses and resonate, and makes test normally to carry out.Such special plane that domestic present professional chain special plane is manufactured producer's manufacturing adopts horizontal type structure substantially.General rotating speed and is easy to generate resonance and noise below the single order critical point.The warm cooling system of oil need add cooling system in addition.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of this utility model provides a kind of chain high speed rotary fatigue tester, can not only satisfy chain high speed rotary torture test requirement, and difficult resonance and the noise of producing, can adjust the test parameters condition as required, monitoring test ruuning situation has higher automaticity in real time.
To achieve the above object, the utility model has adopted following technical scheme:
A kind of chain high speed rotary fatigue tester, comprise frame, described frame is put on the shelf and is provided with the main drive shaft that can rotate, main drive shaft and rack-mounted variable-frequency motor are in transmission connection, two protective housings are installed on the described frame, two protective housings lay respectively at the two ends of main drive shaft, the end of main drive shaft is stretched in the protective housing and drive sprocket is installed, the top of main drive shaft is provided with movable carriage, movable carriage and frame vertically are slidingly connected, described frame top is provided with adjusting screw(rod), setting nut and loading spring, setting nut is threaded with adjusting screw(rod), be connected by loading spring elasticity between setting nut and the frame top, the adjusting screw(rod) lower end is connected with movable carriage by pulling force sensor, is rotatablely equipped with driven shaft on the movable carriage, has mounting hole on the described protective housing, the end of described driven shaft is passed mounting hole and is stretched in the protective housing and driven sprocket is installed, and is provided with between driven sprocket and the drive sprocket and decides the load strainer; Described frame is provided with open type cold oil spray heat exchange circulation system and monitor control system; Described open type cold oil spray heat exchange circulation system comprises cooling and lubricating fuel tank and the oil pump that is installed in frame lower, the protective housing top is equipped with atomizer, oil pump is delivered to atomizer by sending oil pipe with cutting oil, the protective housing bottom is provided with scavenge pipe, and the cutting oil behind the spray flow back into the cooling and lubricating fuel tank through scavenge pipe; Described monitor control system comprises the photoelectric sensor that is installed in flow sensor and the oil temperature sensor in the open type cold oil spray heat exchange circulation system and is installed in the tested chain Test condition of detection in the protective housing, flow sensor, oil temperature sensor, photoelectric sensor and described pulling force sensor all are connected with rack-mounted control box, and variable-frequency motor all is connected with control box with oil pump.
As preferably, be provided with frequency converter, electrotimer and flow relay in the described control box.
As preferably, be provided with float switch in the described cooling and lubricating fuel tank, float switch is connected with oil pump.
As preferably, describedly decide the load strainer and comprise stretching pulley, tensioning shaft, tensioning spring and tensioning sleeve, sheathed tensioning spring and tensioning sleeve on the tensioning shaft, tensioning spring one end and tensioning shaft offset, the tensioning spring other end and tensioning sleeve offset, tensioning shaft one end is installed stretching pulley, the tensioning shaft other end stop nut that has been threaded, stop nut offsets with tensioning sleeve and is connected, tensioning sleeve is fixedly mounted in the protective housing, the guider screw that is used for the tensioning shaft slide-and-guide is installed on the tensioning sleeve, and tensioning shaft is provided with the guiding keyway that cooperates with guider screw.Simple and reliable for structure like this, easy to adjust.
As preferably, described main drive shaft is in transmission connection by transient equilibrium belt pulley and variable-frequency motor.
As preferably, flexibly connect with adjusting screw(rod) on the described pulling force sensor, described pulling force sensor lower end and movable carriage flexibly connect.
As preferably, described loading spring is set on the adjusting screw(rod), and loading spring lower end and frame top offset, and the loading spring upper end offsets by surface bearing and setting nut.Simple and reliable for structure like this, easy to adjust.
As preferably, described movable carriage and frame vertically are slidingly connected by line slideway.
The utility model is owing to adopted above technical scheme, can not only satisfy chain high speed rotary torture test requirement, and be difficult for producing resonance and noise, can adjust the test parameters condition as required, monitoring test ruuning situation has higher automaticity in real time.By testing the revolution torture test of nearly 2000 hours a few class specification engine chains, equipment operation Pass Test parameter request, effect is better.
Description of drawings
Fig. 1 is structural representation of the present utility model (facing broken section);
Fig. 2 is structural representation of the present utility model (side-looking, a broken section);
Fig. 3 is that A among Fig. 1 is to view (broken section).
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
As Fig. 1, a kind of chain high speed rotary fatigue tester shown in Figure 2, comprise frame 1, described frame 1 is put on the shelf and is provided with the main drive shaft 5 that can rotate, main drive shaft 5 is in transmission connection with the variable-frequency motor 7 that is installed on the frame 1, two protective housings 3 are installed on the described frame 1,4, two protective housings 3,4 lay respectively at the two ends of main drive shaft 5, the end of main drive shaft 5 is stretched in the protective housing and drive sprocket 33 is installed, the top of main drive shaft 5 is provided with movable carriage 9, movable carriage 9 vertically is slidingly connected with frame 1, described frame 1 top is provided with adjusting screw(rod) 14, setting nut 13 and loading spring 12, setting nut 13 is threaded with adjusting screw(rod) 14, be connected by loading spring 12 elasticity between setting nut 13 and frame 1 top, adjusting screw(rod) 14 lower ends are connected with movable carriage 9 by pulling force sensor 10, be rotatablely equipped with driven shaft 11 on the movable carriage 9, have mounting hole on the described protective housing, the end of described driven shaft 11 is passed mounting hole and is stretched in the protective housing and driven sprocket 31 is installed, and is provided with between driven sprocket 31 and the drive sprocket 33 and decides load strainer 32; Described frame 1 is provided with open type cold oil spray heat exchange circulation system and monitor control system; Described open type cold oil spray heat exchange circulation system comprises cooling and lubricating fuel tank 21 and the oil pump 22 that is installed in frame 1 bottom, protective housing 3,4 tops are equipped with atomizer 25, oil pump 22 is delivered to atomizer 25 by sending oil pipe 24 with cutting oil, protective housing 3,4 bottoms are provided with scavenge pipe 23, and the cutting oil behind the spray flow back into cooling and lubricating fuel tank 21 through scavenge pipe 23; Described monitor control system comprises the photoelectric sensor that is installed in flow sensor and the oil temperature sensor in the open type cold oil spray heat exchange circulation system and is installed in tested chain 16 Test condition of detection on the protective housing, flow sensor, oil temperature sensor, photoelectric sensor and described pulling force sensor all be installed in frame 1 on control box 15 be connected, variable-frequency motor 7 all is connected with control box 15 with oil pump 22.
In the present embodiment, be provided with frequency converter, electrotimer and flow relay in the described control box 15.Be provided with float switch in the described cooling and lubricating fuel tank 21, float switch is connected with oil pump 22.As shown in Figure 3, describedly decide load strainer 32 and comprise stretching pulley 321, tensioning shaft 322, tensioning spring 324 and tensioning sleeve 325, sheathed tensioning spring 324 and tensioning sleeve 325 on the tensioning shaft 322, tensioning spring 324 1 ends and tensioning shaft 322 offset, tensioning spring 324 other ends and tensioning sleeve 325 offset, tensioning shaft 322 1 ends are installed stretching pulley 321, tensioning shaft 322 other ends stop nut 326 that has been threaded, stop nut 326 offsets with tensioning sleeve 325 and is connected, tensioning sleeve 325 is fixedly mounted in the protective housing, the guider screw 323 that is used for tensioning shaft 322 slide-and-guides is installed on the tensioning sleeve 325, and tensioning shaft 322 is provided with the guiding keyway that cooperates with guider screw 323.Described main drive shaft 5 is in transmission connection by transient equilibrium belt pulley 6 and variable-frequency motor 7.Described pulling force sensor 10 upper ends and adjusting screw(rod) 14 flexibly connect, and described pulling force sensor 10 lower ends and movable carriage 9 flexibly connect.Described loading spring 12 is set on the adjusting screw(rod) 14, and loading spring 12 lower ends and frame 1 top offset, and loading spring 12 upper ends offset by surface bearing and setting nut 13.Described movable carriage 9 vertically is slidingly connected by line slideway 8 with frame 1.
By movable carriage drive driven shaft under the drive of adjusting screw(rod) to about two tested chains apply equivalent load, between adjusting screw(rod) and driven shaft, pulling force sensor is housed, demonstration sound attitude is tested the load and the undulating quantity of chain, and the maintenance of sound loading force and harmonic motion balance keep automatically by setting nut bottom loading spring.Monitor the Test condition of tested chain by cooling off the outer photoelectric sensor of protective housing, when tested chain generation fatigue break, be subjected to displacement by edge-on stretcher (tensioning shaft), start photoelectric sensor and close main motor power, testing machine shuts down.Cooling recirculation system is provided with the flow sensor Control Flow, and when flow is greater than or less than when setting flow or oily temperature and being higher than design temperature, flow sensor will cut out the cooling motor control loop after 10 seconds, close main motor simultaneously.Equipment is in holding state.Regulate the desired power of tested chain by the every function of frequency converter adjustable parameter control of conversion motor, torque, the proportioning of rotating speed etc. can effectively reach the power function parameter of tested chain requirement.Can set the start test period arbitrarily by time relay control interlock circuit, shut down automatically by tester's the seeking time of wanting.Open type cold oil spray heat interchange automatic circulating system, cold oil by oil pump after pipeline advances to cool off protective housing to spray tested chain by case under scavenge pipe advance the frame lower fuel tank, realize circulation, produce heat and casing heat interchange, frame has leakproof oil drain pan (being the cooling and lubricating fuel tank), be provided with small-sized oil suction pump and float switch, external a small amount of leakage of oil advances behind the oil drain pan through several hours precipitated oil temperature to be lower than in the protective housing more than oil temperature 30 degree, automatically suck the oil temperature neutralization about 70 degree in fuel tank and the case through small-sized oil suction pump, effectively reduced oily temperature, satisfy the needs of test, saved the energy.Through test continuous working 50 hours under the environment of nearly 40 degree of room temperature, equipment and oily temperature remain good condition.
It is emphasized that: above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. chain high speed rotary fatigue tester, comprise frame (1), it is characterized in that, described frame (1) is put on the shelf and is provided with the main drive shaft (5) that can rotate, main drive shaft (5) is in transmission connection with the variable-frequency motor (7) that is installed on the frame (1), two protective housings (3 are installed on the described frame (1), 4), two protective housings (3,4) lay respectively at the two ends of main drive shaft (5), the end of main drive shaft (5) is stretched in the protective housing and drive sprocket (33) is installed, the top of main drive shaft (5) is provided with movable carriage (9), movable carriage (9) vertically is slidingly connected with frame (1), described frame (1) top is provided with adjusting screw(rod) (14), setting nut (13) and loading spring (12), setting nut (13) is threaded with adjusting screw(rod) (14), be connected by loading spring (12) elasticity between setting nut (13) and frame (1) top, adjusting screw(rod) (14) lower end is connected with movable carriage (9) by pulling force sensor (10), be rotatablely equipped with driven shaft (11) on the movable carriage (9), have mounting hole on the described protective housing, the end of described driven shaft (11) is passed mounting hole and is stretched in the protective housing and driven sprocket (31) is installed, and is provided with between driven sprocket (31) and the drive sprocket (33) and decides load strainer (32); Described frame (1) is provided with open type cold oil spray heat exchange circulation system and monitor control system; Described open type cold oil spray heat exchange circulation system comprises cooling and lubricating fuel tank (21) and the oil pump (22) that is installed in frame (1) bottom, protective housing (3,4) top is equipped with atomizer (25), oil pump (22) is delivered to atomizer (25) by sending oil pipe (24) with cutting oil, protective housing (3,4) bottom is provided with scavenge pipe (23), and the cutting oil behind the spray flow back into cooling and lubricating fuel tank (21) through scavenge pipe (23); Described monitor control system comprises the photoelectric sensor that is installed in flow sensor and the oil temperature sensor in the open type cold oil spray heat exchange circulation system and is installed in detection tested chain (16) Test condition on the protective housing, flow sensor, oil temperature sensor, photoelectric sensor and described pulling force sensor all be installed in frame (1) on control box (15) be connected, variable-frequency motor (7) all is connected with control box (15) with oil pump (22).
2. a kind of chain high speed rotary fatigue tester according to claim 1 is characterized in that described control box is provided with frequency converter, electrotimer and flow relay in (15).
3. a kind of chain high speed rotary fatigue tester according to claim 1 is characterized in that, is provided with float switch in the described cooling and lubricating fuel tank (21), and float switch is connected with oil pump (22).
4. a kind of chain high speed rotary fatigue tester according to claim 1, it is characterized in that, describedly decide load strainer (32) and comprise stretching pulley (321), tensioning shaft (322), tensioning spring (324) and tensioning sleeve (325), tensioning shaft (322) is gone up sheathed tensioning spring (324) and tensioning sleeve (325), tensioning spring (324) one ends and tensioning shaft (322) offset, tensioning spring (324) other end and tensioning sleeve (325) offset, tensioning shaft (322) one ends are installed stretching pulley (321), tensioning shaft (322) other end stop nut (326) that has been threaded, stop nut (326) offsets with tensioning sleeve (325) and is connected, tensioning sleeve (325) is fixedly mounted in the protective housing, the guider screw (323) that is used for tensioning shaft (322) slide-and-guide is installed on the tensioning sleeve (325), and tensioning shaft (322) is provided with the guiding keyway that cooperates with guider screw (323).
5. a kind of chain high speed rotary fatigue tester according to claim 1 is characterized in that, described main drive shaft (5) is in transmission connection by transient equilibrium belt pulley (6) and variable-frequency motor (7).
6. a kind of chain high speed rotary fatigue tester according to claim 1 is characterized in that, described pulling force sensor (10) upper end flexibly connects with adjusting screw(rod) (14), and described pulling force sensor (10) lower end and movable carriage (9) flexibly connect.
7. a kind of chain high speed rotary fatigue tester according to claim 1, it is characterized in that, described loading spring (12) is set on the adjusting screw(rod) (14), loading spring (12) lower end and frame (1) top offset, and loading spring (12) upper end offsets by surface bearing and setting nut (13).
8. a kind of chain high speed rotary fatigue tester according to claim 1 is characterized in that, described movable carriage (9) vertically is slidingly connected by line slideway (8) with frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070954 CN203101049U (en) | 2013-02-07 | 2013-02-07 | Chain high-speed revolution fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070954 CN203101049U (en) | 2013-02-07 | 2013-02-07 | Chain high-speed revolution fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101049U true CN203101049U (en) | 2013-07-31 |
Family
ID=48852441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070954 Withdrawn - After Issue CN203101049U (en) | 2013-02-07 | 2013-02-07 | Chain high-speed revolution fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101049U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115773A (en) * | 2013-02-07 | 2013-05-22 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN103769952A (en) * | 2014-01-06 | 2014-05-07 | 江苏腾旋科技股份有限公司 | Detection device for rotating joint used for machine tool |
| CN104913978A (en) * | 2015-05-28 | 2015-09-16 | 同济大学 | Escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table |
| CN108275416A (en) * | 2018-01-19 | 2018-07-13 | 湖州众诚链传动制造厂 | Quality inspection device in chain production and processing process |
| CN109387447A (en) * | 2018-12-05 | 2019-02-26 | 苏州环球科技股份有限公司 | Chain abrasion resistance tester and chain abrasion test method |
-
2013
- 2013-02-07 CN CN 201320070954 patent/CN203101049U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115773A (en) * | 2013-02-07 | 2013-05-22 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN103115773B (en) * | 2013-02-07 | 2014-12-17 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN103769952A (en) * | 2014-01-06 | 2014-05-07 | 江苏腾旋科技股份有限公司 | Detection device for rotating joint used for machine tool |
| CN104913978A (en) * | 2015-05-28 | 2015-09-16 | 同济大学 | Escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table |
| CN104913978B (en) * | 2015-05-28 | 2017-12-26 | 同济大学 | A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand |
| CN108275416A (en) * | 2018-01-19 | 2018-07-13 | 湖州众诚链传动制造厂 | Quality inspection device in chain production and processing process |
| CN108275416B (en) * | 2018-01-19 | 2019-12-10 | 江苏银服智能装备有限公司 | Quality inspection device in chain production and processing process |
| CN109387447A (en) * | 2018-12-05 | 2019-02-26 | 苏州环球科技股份有限公司 | Chain abrasion resistance tester and chain abrasion test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20141217 |
|
| RGAV | Abandon patent right to avoid regrant |