CN212082796U - Idler wheel endurance test equipment - Google Patents
Idler wheel endurance test equipment Download PDFInfo
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- CN212082796U CN212082796U CN202020708497.3U CN202020708497U CN212082796U CN 212082796 U CN212082796 U CN 212082796U CN 202020708497 U CN202020708497 U CN 202020708497U CN 212082796 U CN212082796 U CN 212082796U
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Abstract
Idler endurance test equipment. The utility model relates to a test equipment field. The idler wheel endurance test equipment is exquisite in structure, convenient to use, good in working condition simulation effect and high in test accuracy. The device comprises a box body 9 and is characterized in that at least one heating pipe 5 is arranged in the box body 9; the idler wheel endurance test equipment further comprises a double-groove belt driving wheel 6, two belts 7 and a pair of test components, wherein the double-groove belt driving wheel 6 is hinged to the middle of the box body 9, the pair of test components are respectively arranged on two sides of the double-groove belt driving wheel 6, and the two belts 7 respectively bypass two belt grooves of the double-groove belt driving wheel 6 and respectively bypass idlers to be tested which are arranged in the pair of test components; the test assembly comprises a movable bottom plate 10, a fixed seat plate 8, a limit stop 13, a pull cable, a guide wheel and a balancing weight 1. The utility model discloses can simulate engine idler load operating condition, make the product can obtain the improvement before dispatching from the factory, guarantee quality's stability.
Description
Technical Field
The utility model relates to a test equipment field especially relates to a test equipment's improvement for idler endurance test.
Background
Most of the existing idler test equipment are as shown in a Chinese utility model patent named as 'an automobile comprehensive working condition endurance test device' and with the application number of '201710024083.1' announced by the national office in 2017, 5, 31 and used for simulating the actual working condition of the idler, wherein the dust nozzle and the slurry spray pipe are arranged in a test box body. However, with the modern environmental regulations, the idlers of most vehicles, especially private cars, are not exposed to the harsh dusty, mud-laden environment for a long period of time, and the most significant impact on the durability of the idlers is the high temperatures generated during operation of the engine or turbine. Therefore, how to perform the endurance test under the high-temperature ring becomes a technical problem to be solved urgently by those skilled in the art.
In addition, since the wear rates of various components in the engine train are usually inconsistent, it is not appropriate to perform the endurance test on the idler pulley together with other components (such as a tension pulley, a belt, etc.), and therefore, how to perform the targeted endurance test on the idler pulley under a high-temperature ring becomes a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provided an idler endurance test equipment that structure is exquisite, convenient to use, operating mode simulation are effectual and the experimental degree of accuracy is high.
The technical scheme of the utility model is that: the device comprises a box body 9 and is characterized in that at least one heating pipe 5 is arranged in the box body 9; the idler wheel endurance test equipment further comprises a double-groove belt driving wheel 6, two belts 7 and a pair of test components, wherein the double-groove belt driving wheel 6 is hinged to the middle of the box body 9, the pair of test components are respectively arranged on two sides of the double-groove belt driving wheel 6, and the two belts 7 respectively bypass two belt grooves of the double-groove belt driving wheel 6 and respectively bypass idlers to be tested which are arranged in the pair of test components;
the test assembly comprises a movable bottom plate 10, a fixed seat plate 8, a limit stop 13, a pull cable, a guide wheel and a balancing weight 1;
the fixed seat plate 8 is vertically arranged and fixedly connected in the box body 9, a plurality of horizontal guide rails are fixedly connected to one side end face of the fixed seat plate 8, the movable bottom plate 10 is connected to the horizontal guide rails in a sliding mode, the limit stop 13 is fixedly connected with the fixed seat plate 8 and pressed on the end face, back to the fixed seat plate 8, of the movable bottom plate 10, a plurality of idler mounting grooves are formed in the end face, back to the fixed seat plate 8, of the movable bottom plate 10, a plurality of idlers 14 to be tested are detachably connected to the idler mounting grooves, and the belt 7 sequentially bypasses the idlers 14 to be tested;
the guide wheel is arranged outside the box body, and the middle part of the inhaul cable bypasses the guide wheel; one end of the inhaul cable extends into the box body 9 to be fixedly connected with the movable bottom plate 10, the other end of the inhaul cable is connected with the balancing weight 1, and the inhaul cable and the balancing weight are positioned on one side, far away from the double-groove belt driving wheel 6, of the movable bottom plate 10;
the inner side of each idle wheel 14 to be tested is provided with an inner temperature thermocouple 3 fixedly connected with the movable bottom plate 10, and the outer side of each idle wheel 14 to be tested is provided with an outer temperature thermocouple 2 fixedly connected with the movable bottom plate 10.
Each movable base plate is provided with three idler wheel mounting grooves.
And the box body 9 is also provided with a pair of circulating fans 4.
A strip-shaped clamping groove parallel to the horizontal guide rail is further formed in the limit stop 13, and a clamping block which is connected in the strip-shaped clamping groove in a sliding manner is further fixedly connected to one side, back to the fixed seat plate 8, of the movable bottom plate 10.
The guide pulley passes through branch group to be connected on the outer wall of box 9, branch group is including branch one, branch two and cylinder 12, the one end of branch one articulates on the outer wall of box 9, and the other end articulates the middle part at branch two, the top of branch two is articulated with the center of guide pulley, and the piston rod of bottom fixed connection cylinder 12, the cylinder body of cylinder 12 articulates on the outer wall of box 9, and is in the below of branch one.
The utility model discloses can simulate engine idler load operating condition, test bench stability is high, reduces uncertain factor influence, is equipped with safe electrical system, avoids the incident to take place, and 6 idlers are installed simultaneously to the experimental efficiency high energy, and easy dismounting shortens product research and development cycle, can in time expose product defect in the experiment simultaneously, makes the product can obtain the improvement before dispatching from the factory, guarantees the stability of quality.
Drawings
FIG. 1 is a schematic structural diagram of the present disclosure;
in the figure, 1 is a balancing weight, 2 is an external temperature thermocouple, 3 is an internal temperature thermocouple, 4 is a circulating fan, 5 is a heating pipe, 6 is a double-groove belt driving wheel, 7 is a belt, 8 is a fixed seat plate, 9 is a box body, 10 is a movable bottom plate, 11 is a man-machine control interface, 12 is an air cylinder, 13 is a limit stop, and 14 is an idler.
Detailed Description
In order to clearly explain the technical features of the present patent, the following detailed description of the present patent is provided in conjunction with the accompanying drawings.
The utility model is shown in figure 1, and comprises a box body 9 with a sealing door, wherein at least one heating pipe 5 is arranged in the box body 9, so that the heating of the heating pipe can better simulate the actual working condition of the idler wheel in the box body; the idler wheel endurance test equipment further comprises a double-groove belt driving wheel 6, two belts 7 and a pair of test components, wherein the double-groove belt driving wheel 6 is hinged to the middle of the box body 9, the pair of test components are respectively arranged on two sides of the double-groove belt driving wheel 6, and the two belts 7 respectively bypass two belt grooves of the double-groove belt driving wheel 6 and respectively bypass idlers to be tested which are arranged in the pair of test components;
the test assembly comprises a movable bottom plate 10, a fixed seat plate 8, a limit stop 13, a pull cable, a guide wheel and a balancing weight 1;
the fixed seat plate 8 is vertically arranged and fixedly connected in the box body 9, a plurality of horizontal guide rails are fixedly connected to one side end face of the fixed seat plate 8, the movable bottom plate 10 is connected to the horizontal guide rails in a sliding mode, the limit stop 13 is fixedly connected with the fixed seat plate 8 and pressed on the end face, back to the fixed seat plate 8, of the movable bottom plate 10, a plurality of idler mounting grooves are formed in the end face, back to the fixed seat plate 8, of the movable bottom plate 10, a plurality of idlers 14 to be tested are detachably connected to the idler mounting grooves, and the belt 7 sequentially bypasses the idlers 14 to be tested;
the guide wheel is arranged outside the box body, and the middle part of the inhaul cable bypasses the guide wheel; one end of the inhaul cable extends into the box body 9 to be fixedly connected with the movable bottom plate 10, the other end of the inhaul cable is connected with the balancing weight 1, and the inhaul cable and the balancing weight are positioned on one side, far away from the double-groove belt driving wheel 6, of the movable bottom plate 10; when the balancing weight is additionally held, the moving bottom plate can keep away from the movement trend of the double-groove belt driving wheel, and then the belt is kept tensioned in the test process, so that the idle wheel in the endurance test runs stably without slipping;
the inner side of each idle wheel 14 to be tested is provided with an inner temperature thermocouple 3 fixedly connected with the movable bottom plate 10, and the outer side of each idle wheel 14 to be tested is provided with an outer temperature thermocouple 2 fixedly connected with the movable bottom plate 10. So as to independently record the behavior of each idler to be tested.
Each movable base plate is provided with three idler wheel mounting grooves. So that the scheme can carry out the endurance test to six idlers simultaneously.
And the box body 9 is also provided with a pair of circulating fans 4. The air blowing and the air exhausting can be performed, so that the hot air flow is formed in the box body in an air blowing mode, and the problems that the temperature of the position close to the heating pipe is high and the temperature of the position far away from the heating pipe cannot be achieved are solved.
A strip-shaped clamping groove parallel to the horizontal guide rail is further formed in the limit stop 13, and a clamping block which is connected in the strip-shaped clamping groove in a sliding manner is further fixedly connected to one side, back to the fixed seat plate 8, of the movable bottom plate 10. Thereby restrict the stroke of the horizontal motion of moving bottom plate 10, when avoiding the belt fracture to appear, move the bottom plate and can be directly outwards pulled off by the balancing weight to appear damaging the box or other parts such as force sensor.
The guide pulley passes through branch group to be connected on the outer wall of box 9, branch group is including branch one, branch two and cylinder 12, the one end of branch one articulates on the outer wall of box 9, and the other end articulates the middle part at branch two, the top of branch two is articulated with the center of guide pulley, and the piston rod of bottom fixed connection cylinder 12, the cylinder body of cylinder 12 articulates on the outer wall of box 9, and is in the below of branch one. Like this, can adjust the support position of guide wheel to the cable through the concertina movement of cylinder 12, from realizing the uninstallation of counterweight piece when the counterweight piece is transferred to ground, realize the holding of counterweight piece when the counterweight piece rises to unsettled, reduce the manual work and draw the work load that the counterweight piece (heaving to hundreds of kilograms) and produce.
The main working principle of the experiment bench is that firstly, the middle driving wheel of the box body is connected with the idler to be tested through the belt, so that the driving wheel motor can drive all the idlers to be tested to rotate, and meanwhile, the heating pipe heats the inside of the box body and is assisted with inner circulation hot air to simulate the external working temperature of the engine.
The test bench is mainly used for simulating and verifying the service life of the idle wheel of the engine, which can be reached under the working state. The test bench is a box body, and an electric heating pipe and a circulating fan are arranged to simulate the external high-temperature environment of the engine in the working state. When a test is needed, firstly, the scram button in the man-machine control interface 11 is knocked down, then the balancing weight is put down to the ground so as to facilitate the installation of the idler pulley and the belt, and after the test idler pulley is installed, the positions of the temperature thermocouple outside the idler pulley and the temperature thermocouple inside the idler pulley are adjusted; after the belt installation finishes, lift on the balancing weight and realize holding with adding of balancing weight, the scram button resets in the man-machine control interface 11, adjusts electric heating pipe heating temperature, double flute belt action wheel driving motor rotational speed, tests after the debugging finishes, and in the testing process, through the operating condition of each idler of waiting to test of a plurality of inside temperature thermocouple and a plurality of outside temperature thermocouple independent record.
The present invention has many specific implementation ways, and the above description is only the preferred embodiment of the present invention, it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the protection scope of the present invention.
Claims (5)
1. The idler wheel endurance test equipment comprises a box body (9), and is characterized in that at least one heating pipe (5) is arranged in the box body (9); the idler wheel endurance test equipment further comprises a double-groove belt driving wheel (6), two belts (7) and a pair of test components, wherein the double-groove belt driving wheel (6) is hinged to the middle of the box body (9), the pair of test components are respectively arranged on two sides of the double-groove belt driving wheel (6), and the two belts (7) respectively bypass the two belt grooves of the double-groove belt driving wheel (6) and respectively bypass idlers to be tested which are arranged in the pair of test components;
the test assembly comprises a movable bottom plate (10), a fixed seat plate (8), a limit stop block (13), a pull cable, a guide wheel and a balancing weight (1);
the fixed seat plate (8) is vertically arranged and fixedly connected in the box body (9), a plurality of horizontal guide rails are fixedly connected to one end face of the fixed seat plate (8), the movable bottom plate (10) is connected to the horizontal guide rails in a sliding mode, the limit stop (13) is fixedly connected with the fixed seat plate (8) and pressed on the end face, facing away from the fixed seat plate (8), of the movable bottom plate (10), a plurality of idler mounting grooves are formed in the end face, facing away from the fixed seat plate (8), of the movable bottom plate (10), a plurality of idlers (14) to be tested are detachably connected to the idler mounting grooves, and the belt (7) sequentially bypasses the idlers (14) to be tested;
the guide wheel is arranged outside the box body, and the middle part of the inhaul cable bypasses the guide wheel; one end of the inhaul cable extends into the box body (9) and is fixedly connected with the movable bottom plate (10), the other end of the inhaul cable is connected with the balancing weight (1), and the inhaul cable and the balancing weight are positioned on one side, far away from the double-groove belt driving wheel (6), of the movable bottom plate (10);
the inner side of each idle wheel (14) to be tested is provided with an inner temperature thermocouple (3) fixedly connected with the movable bottom plate (10), and the outer side of each idle wheel (14) to be tested is provided with an outer temperature thermocouple (2) fixedly connected with the movable bottom plate (10).
2. The idler durability test apparatus of claim 1 wherein each moving floor has three idler mounting slots thereon.
3. The idler durability test apparatus as claimed in claim 1, wherein the case (9) is further provided with a pair of circulating fans (4).
4. The idler wheel endurance testing apparatus of claim 1, wherein the limit stopper (13) further has an elongated slot formed therein parallel to the horizontal rail, and a side of the movable base plate (10) facing away from the fixed seat plate (8) is further fixedly connected with a block slidably connected in the elongated slot.
5. The idler wheel endurance testing apparatus of claim 1, wherein the guide wheel is connected to an outer wall of the box (9) through a strut set, the strut set includes a first strut, a second strut, and a cylinder (12), one end of the first strut is hinged to the outer wall of the box (9), the other end of the first strut is hinged to the middle of the second strut, the top end of the second strut is hinged to the center of the guide wheel, the bottom end of the second strut is fixedly connected to a piston rod of the cylinder (12), and a cylinder body of the cylinder (12) is hinged to the outer wall of the box (9) and is located below the first strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708497.3U CN212082796U (en) | 2020-05-01 | 2020-05-01 | Idler wheel endurance test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708497.3U CN212082796U (en) | 2020-05-01 | 2020-05-01 | Idler wheel endurance test equipment |
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| Publication Number | Publication Date |
|---|---|
| CN212082796U true CN212082796U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020708497.3U Active CN212082796U (en) | 2020-05-01 | 2020-05-01 | Idler wheel endurance test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212082796U (en) |
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2020
- 2020-05-01 CN CN202020708497.3U patent/CN212082796U/en active Active
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