CN212748291U - Durable fatigue test device of thrust wheel - Google Patents
Durable fatigue test device of thrust wheel Download PDFInfo
- Publication number
- CN212748291U CN212748291U CN202022108926.6U CN202022108926U CN212748291U CN 212748291 U CN212748291 U CN 212748291U CN 202022108926 U CN202022108926 U CN 202022108926U CN 212748291 U CN212748291 U CN 212748291U
- Authority
- CN
- China
- Prior art keywords
- wheel
- gear
- wheel portion
- thrust wheel
- thrust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the field of test equipment, in particular to a thrust wheel endurance fatigue test device; the bearing wheel endurance fatigue testing device comprises a driving mechanism and a testing gear, wherein a meshing groove is formed in the periphery of the testing gear, the meshing groove extends along the circumferential direction of the testing gear, the meshing groove is used for meshing with a bearing wheel to be tested, and the driving mechanism is in transmission connection with the testing gear and used for driving the testing gear to rotate so as to drive the bearing wheel to be tested to synchronously rotate. The utility model discloses a durable fatigue test device of thrust wheel can be convenient for test effectively to the various working strength of single thrust wheel simulation.
Description
Technical Field
The utility model relates to a test equipment field particularly, relates to a durable fatigue test device of thrust wheel.
Background
A supporting wheel of the excavator is an important part of the excavator, the supporting wheel can roll around a wheel axle in a reciprocating mode under the normal operation condition of the excavator, and the supporting wheel is meshed with a caterpillar track joint. The thrust wheel is easy to generate fatigue damage when the excavator works for a long time, so that the endurance fatigue test is carried out on the thrust wheel, and the endurance and fatigue resistance performance of the thrust wheel can be judged.
However, the fatigue endurance test system for the bogie wheel provided by the related art has difficulty in simulating various working strengths of the bogie wheel for a single bogie wheel and performing effective tests.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a durable fatigue test device of thrust wheel, it can be convenient for test effectively to the various working strength of single thrust wheel simulation.
The embodiment of the utility model is realized like this:
in a first aspect, the embodiment of the utility model provides a thrust wheel endurance fatigue test device, including actuating mechanism and test gear, the periphery of test gear is provided with the meshing groove, and the meshing groove extends along test gear's circumference, and the meshing groove is used for the thrust wheel meshing that awaits measuring with, and actuating mechanism is connected with test gear drive for drive test gear rotates, in order to drive the thrust wheel synchronous rotation that awaits measuring.
In an alternative embodiment, the test gear comprises a first gear and a second gear which are coaxially and fixedly connected, the periphery of the first gear is provided with a meshing groove, and the driving mechanism is in transmission connection with the second gear.
In an alternative embodiment, the drive mechanism comprises a motor, the output shaft of which is in driving connection with the second gear via a belt.
In an alternative embodiment, the conveyor belt comprises a V-belt or a toothed belt.
In an optional embodiment, the first gear comprises a first wheel part, a second wheel part and a third wheel part which are coaxially and fixedly connected in sequence, the second gear and the third wheel part are coaxially and fixedly connected, the outer diameter of the first wheel part and the outer diameter of the third wheel part are both larger than that of the second wheel part, a meshing groove is formed between the first wheel part and the third wheel part, and the outer peripheral surface of the second wheel part is used for being in line contact with a supporting wheel to be tested and meshed in the meshing groove.
In an alternative embodiment, the first wheel section has an outer diameter of the same size as the outer diameter of the third wheel section.
In an alternative embodiment, the second gear has an outer diameter dimension that is smaller than an outer diameter dimension of the third wheel portion.
In an alternative embodiment, the side of the first wheel section facing the third wheel section and the side of the third wheel section facing the first wheel section are both for surface contact with the bogie to be tested.
In an alternative embodiment, the endurance fatigue testing device for the thrust wheel further comprises a frame, and the testing gear is rotatably arranged on the frame.
In an alternative embodiment, the endurance fatigue testing device for the thrust wheel further comprises a timer, and the timer is arranged on the frame.
The utility model discloses durable fatigue test device of thrust wheel's beneficial effect includes: the embodiment of the utility model provides a thrust wheel endurance fatigue testing device includes actuating mechanism and test gear, and the periphery of test gear is provided with the meshing groove, and the meshing groove extends along test gear's circumference, and the meshing groove is used for the thrust wheel meshing that awaits measuring with the examination, and actuating mechanism is connected with test gear drive for drive test gear rotates, in order to drive the thrust wheel synchronous rotation that awaits measuring. Therefore, a single thrust wheel to be tested can be meshed with the testing gear, the driving mechanism is used for driving the testing gear to drive the thrust wheel to rotate, and the endurance fatigue of the thrust wheel is further detected; and the driving mechanism can adjust the rotating speed of the testing gear, so that the thrust wheel to be tested has different rotating frequencies, various working strengths of the thrust wheel are simulated, and effective detection is carried out.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a thrust wheel endurance fatigue testing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a test gear according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a test gear according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of a caterpillar link according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a comparison of a test gear and a caterpillar link according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a thrust wheel in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the engagement between the thrust wheel and the test gear in the embodiment of the present invention.
Icon: 010-a thrust wheel endurance fatigue testing device; 100-a drive mechanism; 110-a motor; 120-a conveyor belt; 200-testing the gear; 210-an engagement groove; 220-a first gear; 221-a first wheel section; 222-a second wheel section; 223-a third wheel section; 230-a second gear; 300-thrust wheel; 310-thrust wheel body; 320-projection; 400-caterpillar link.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides a thrust wheel endurance fatigue testing apparatus 010, which can be used for simulating the working condition of the thrust wheel 300 to test endurance fatigue of the thrust wheel 300.
Referring to fig. 1 and 2, the thrust wheel endurance fatigue testing apparatus 010 includes a driving mechanism 100 and a testing gear 200, wherein an engagement groove 210 is formed in an outer periphery of the testing gear 200, the engagement groove 210 extends along a circumferential direction of the testing gear 200, the engagement groove 210 is configured to engage with a thrust wheel 300 to be tested, and the driving mechanism 100 is in transmission connection with the testing gear 200 and configured to drive the testing gear 200 to rotate so as to drive the thrust wheel 300 to be tested to rotate synchronously.
The thrust wheel endurance fatigue testing device 010 of the embodiment can be used for carrying out endurance fatigue testing on a single thrust wheel 300, specifically, only the thrust wheel 300 to be tested needs to be meshed with the testing gear 200, the driving mechanism 100 is used for driving the testing gear 200 to drive the thrust wheel 300 to rotate, and then endurance fatigue of the thrust wheel 300 is detected; furthermore, the driving mechanism 100 can adjust the rotation speed of the test gear 200, so that the bogie wheel 300 to be tested has different rotation frequencies to simulate various working strengths of the bogie wheel 300 for effective detection.
It should be noted that, the above-mentioned driving mechanism 100 can adjust the rotation speed of the testing gear 200, so as to make the thrust wheel 300 to be tested have different rotation frequencies, so as to simulate various working strengths of the thrust wheel 300, which may refer to: the driving mechanism 100 drives the test gear 200 to rotate at a slower rotating speed, so that the test gear 200 drives the thrust wheel 300 to rotate at a slower rotating speed, and a scene that the excavator provided with the thrust wheel 300 moves at a slow speed can be simulated; or, the driving mechanism 100 drives the test gear 200 to rotate at a faster rotating speed, so that the test gear 200 drives the thrust wheel 300 to rotate at a faster rotating speed, and a scene that the excavator provided with the thrust wheel 300 moves fast can be simulated. Therefore, various different working conditions can be simulated for the thrust wheel 300 to be detected, and more effective endurance and fatigue resistance detection can be carried out.
The thrust wheel endurance fatigue testing apparatus 010 of the present embodiment further includes a frame (not shown), and the test gear 200 is rotatably provided to the frame. With this arrangement, it is ensured that the driving mechanism 100 drives the test gear 200 to rotate stably, so as to perform reliable test on the thrust wheel 300.
Further, the driving mechanism 100 is fixedly disposed on the rack, and the testing gear 200 and the thrust wheel 300 to be tested are rotatably connected to the rack through respective corresponding rotating shafts. In this way, the reliability of the endurance fatigue test of the bogie 300 can be improved.
Optionally, the thrust wheel endurance fatigue testing apparatus 010 further includes a timer (not shown), and the timer is disposed on the rack. The timer is used for recording the test duration when the endurance fatigue performance of the thrust wheel 300 is tested, so as to determine the endurance and fatigue resistance performance of the thrust wheel 300 through the duration recorded by the timer; for example: the control driving mechanism 100 drives the test gear 200 to rotate at a preset rotating speed, the test gear 200 drives the first thrust wheel 300 to be tested to synchronously rotate, the timer starts to time from the time when the first thrust wheel 300 to be tested starts to rotate, the timer records that the fatigue damage occurs to the first thrust wheel 300 to be tested when 10 hours, the control driving mechanism 100 drives the test gear 200 to rotate at the preset rotating speed, the test gear 200 drives the second thrust wheel 300 to be tested to synchronously rotate, the timer starts to time from the time when the first thrust wheel 300 to be tested starts to rotate, and the timer records that the fatigue damage occurs to the second thrust wheel 300 to be tested when 20 hours, so that the durability and the fatigue resistance of the second thrust wheel 300 are better.
It should be noted that the timer may be disposed on the frame by means of bonding, clipping, fastening, etc., and is not limited in particular.
Of course, in another embodiment, the timer may not be provided on the rack, and one timer may be used to perform timing when the endurance and fatigue resistance of the track roller 300 are detected by the track roller endurance fatigue testing device 010.
Referring to fig. 1 and fig. 2, in the present embodiment, the testing gear 200 includes a first gear 220 and a second gear 230 that are coaxially and fixedly connected, an engaging groove 210 is disposed on an outer periphery of the first gear 220, and the driving mechanism 100 is in transmission connection with the second gear 230. So configured, the drive mechanism 100 can be prevented from interfering with the detection of the bogie wheel 300.
The driving mechanism 100 comprises a motor 110 and a conveyor belt 120, wherein an output shaft of the motor 110 is in transmission connection with a second gear 230 through the conveyor belt 120; further, the motor 110 is fixedly connected to the frame, and the output shaft of the motor 110 and the second gear 230 are simultaneously sleeved with the conveyor belt 120. When the output shaft of the motor 110 rotates, the second gear 230 is driven to rotate by the transmission belt 120, i.e. the test gear 200 is driven to rotate synchronously. The transmission connection between the motor 110 and the test gear 200 is realized by the conveyor belt 120, so that the structure of the thrust wheel endurance fatigue testing device 010 can be simplified, and the assembly of the whole thrust wheel endurance fatigue testing device 010 is facilitated.
Of course, in other embodiments, a gear may be fixedly sleeved on the output shaft of the motor 110, and the gear sleeved on the output shaft of the motor 110 is connected to the second gear 230 through a chain transmission; in other embodiments, the output shaft of the motor 110 may also be in transmission connection with the second gear 230 through a gear assembly, a worm gear assembly, or the like, and is not limited herein.
The transmission belt 120 of this embodiment is a V-belt, and the outer peripheral surface of the second gear 230 is provided with a groove matched with the V-belt. Of course, in other embodiments, the transmission belt 120 may also be a toothed belt, and the outer circumferential surface of the second gear 230 is provided with a groove or a convex tooth matched with the toothed belt.
In this embodiment, the first gear 220 includes a first wheel portion 221, a second wheel portion 222, and a third wheel portion 223 coaxially and fixedly connected in sequence, the second gear 230 and the third wheel portion 223 are coaxially and fixedly connected, both the outer diameter of the first wheel portion 221 and the outer diameter of the third wheel portion 223 are larger than the outer diameter of the second wheel portion 222, a meshing groove 210 is formed between the first wheel portion 221 and the third wheel portion, and the outer peripheral surface of the second wheel portion 222 is used for being in line contact with the supporting wheel 300 to be tested meshed in the meshing groove 210. With reference to fig. 3 to 5, the arrangement can improve the stability of the engagement between the test gear 200 and the thrust wheel 300, so that the engagement state between the thrust wheel 300 and the test gear 200 is closer to the engagement state between the thrust wheel 300 and the track link 400, and the endurance fatigue detection of the thrust wheel 300 is more reliable.
It should be noted that, referring to fig. 6 and 7, the thrust wheel 300 to be detected includes a thrust wheel body 310 and a protrusion 320 fixedly connected to the thrust wheel body 310, the protrusion 320 is connected to the outer circumferential surface of the thrust wheel body 310, the protrusion 320 extends along the circumferential direction of the thrust wheel body 310, and an annular ring is formed on the outer circumference of the thrust wheel body 310; when the thrust wheel 300 is tested by the thrust wheel endurance fatigue testing apparatus 010, the protrusion 320 is embedded in the engaging groove 210, that is, the thrust wheel 300 is engaged with the test gear 200 through the protrusion 320, and the protrusion 320 and the second wheel portion 222 form a line contact, so that reliable testing can be performed.
It should be further noted that the first wheel portion 221, the second wheel portion 222, the third wheel portion 223 and the second gear 230 may be integrally formed or welded, and are not limited herein.
Alternatively, the outer diameter of the first wheel portion 221 is the same as that of the third wheel portion 223 to more reliably engage the bogie wheel 300 with the engagement groove 210. Of course, in other embodiments, the outer diameter dimension of the first wheel portion 221 and the outer diameter dimension of the third wheel portion 223 may be different.
Optionally, the outer diameter dimension of the second gear 230 is smaller than the outer diameter dimension of the third wheel portion 223; with such an arrangement, it can be ensured that the driving mechanism 100 effectively drives the first gear 220 to rotate through the second gear 230, and further drives the thrust wheel 300 to be tested to rotate, and the endurance and fatigue resistance of the thrust wheel 300 can be reliably detected. Of course, in other embodiments, the outer diameter of the second gear 230 may also be equal to or greater than the third wheel portion 223.
Optionally, the side of the first wheel portion 221 facing the third wheel portion 223 and the side of the third wheel portion 223 facing the first wheel portion 221 are both for surface contact with the bogie wheel 300 to be tested; specifically, a side of the first wheel portion 221 facing the third wheel portion 223 and a side of the third wheel portion 223 facing the first wheel portion 221 are respectively for both side surfaces of the boss 320 in the axial direction of the bogie wheel body 310 to contact. With this arrangement, the reliability of the engagement between the thrust wheel 300 to be tested and the engagement groove 210 of the test gear 200 can be ensured, and the durability of the thrust wheel 300 and the reliability of the fatigue test can be ensured.
In summary, the thrust wheel endurance fatigue testing apparatus 010 of the present embodiment can be used to perform endurance fatigue testing on a single thrust wheel 300, and the driving mechanism 100 can adjust the rotation speed of the testing gear 200, so that the thrust wheel 300 to be tested has different rotation frequencies, so as to simulate various working strengths of the thrust wheel 300 for effective detection.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 (10)
1. The bearing wheel endurance fatigue testing device is characterized by comprising a driving mechanism and a testing gear, wherein an engagement groove is formed in the periphery of the testing gear, extends along the circumferential direction of the testing gear, and is used for being engaged with a bearing wheel to be tested, and the driving mechanism is in transmission connection with the testing gear and is used for driving the testing gear to rotate so as to drive the bearing wheel to be tested to synchronously rotate.
2. The thrust wheel endurance fatigue testing apparatus of claim 1, wherein the testing gear includes a first gear and a second gear that are coaxially and fixedly connected, an outer circumference of the first gear is provided with the meshing groove, and the driving mechanism is in transmission connection with the second gear.
3. The thrust wheel endurance fatigue testing apparatus of claim 2, wherein the driving mechanism includes a motor, and an output shaft of the motor is in transmission connection with the second gear through a transmission belt.
4. The thrust wheel endurance fatigue testing apparatus of claim 3, in which the conveyor belt comprises a V-belt or a toothed belt.
5. The endurance fatigue testing device for the bogie wheel according to claim 2, wherein the first gear comprises a first wheel portion, a second wheel portion and a third wheel portion which are coaxially and fixedly connected in sequence, the second gear is coaxially and fixedly connected with the third wheel portion, both the outer diameter of the first wheel portion and the outer diameter of the third wheel portion are larger than the outer diameter of the second wheel portion, the meshing groove is formed between the first wheel portion and the third wheel portion, and the outer peripheral surface of the second wheel portion is in line contact with the bogie wheel to be tested which is meshed in the meshing groove.
6. The thrust wheel endurance fatigue testing apparatus of claim 5, wherein an outer diameter dimension of the first wheel portion is the same as an outer diameter dimension of the third wheel portion.
7. The thrust wheel endurance fatigue testing apparatus of claim 5, wherein an outer diameter dimension of the second gear is smaller than an outer diameter dimension of the third wheel portion.
8. The bogie endurance fatigue testing apparatus of claim 5, wherein a side of the first wheel portion facing the third wheel portion and a side of the third wheel portion facing the first wheel portion are each for surface contact with the bogie wheel to be tested.
9. The thrust wheel endurance fatigue testing apparatus of claim 1, further comprising a frame, the test gear being rotatably disposed to the frame.
10. The thrust wheel endurance fatigue testing apparatus of claim 9, further comprising a timer provided to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022108926.6U CN212748291U (en) | 2020-09-23 | 2020-09-23 | Durable fatigue test device of thrust wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022108926.6U CN212748291U (en) | 2020-09-23 | 2020-09-23 | Durable fatigue test device of thrust wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748291U true CN212748291U (en) | 2021-03-19 |
Family
ID=74990573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022108926.6U Active CN212748291U (en) | 2020-09-23 | 2020-09-23 | Durable fatigue test device of thrust wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776806A (en) * | 2021-09-27 | 2021-12-10 | 徐州徐工挖掘机械有限公司 | Thrust wheel reliability experiment device |
-
2020
- 2020-09-23 CN CN202022108926.6U patent/CN212748291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776806A (en) * | 2021-09-27 | 2021-12-10 | 徐州徐工挖掘机械有限公司 | Thrust wheel reliability experiment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212748291U (en) | Durable fatigue test device of thrust wheel | |
| JP4581693B2 (en) | Abnormality diagnosis device | |
| EP3650830B1 (en) | Twin-disc tribometer capable of reciprocating and/or non-collinear motion | |
| US20010032499A1 (en) | Spindle assembly for a tire or wheel testing machine | |
| CN213209740U (en) | Sealing washer detection device | |
| CN109540667B (en) | Device for simulating stress state of material in complex stress environment | |
| CN114720119A (en) | Comprehensive fault simulation test bed considering multidirectional loading working condition for plate and strip rolling mill | |
| US20020171555A1 (en) | System and method for testing linkages | |
| CN108896322A (en) | A kind of flat automobile safety testing system | |
| CN217211917U (en) | Life testing device of industrial belt | |
| CN105527095A (en) | General adjustable chain detecting device | |
| JP2007187461A (en) | Bearing test apparatus | |
| CN214334185U (en) | Vibration test experiment table | |
| JPS6298230A (en) | Wheel balancing machine for wheel for automobile | |
| CN102788606B (en) | Automotive upholstery check-out console | |
| CN206479329U (en) | Novel gearbox failure simulation device and its system | |
| JP2001305020A (en) | Power testing device for motorcycle chain and testing method for motorcycle chain using it | |
| CN116183191B (en) | IPT wave spring assembly defect inspection device and method | |
| CN212567886U (en) | Automobile oil pipe torsion detection is with fixed frock | |
| CN116659851B (en) | Torsion rigidity test system for floating support friction plate | |
| CN215640124U (en) | Destructive test device for gap bridge feeding and conveying transmission | |
| CN216747198U (en) | Torsion testing device | |
| CN214584027U (en) | A accredited testing organization for centrifugal clutch | |
| JPH09145548A (en) | Apparatus for testing performance of powertrain | |
| CN217483724U (en) | Bearing roller load test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |