CN117168847A - Caterpillar track durability test method and tester - Google Patents
Caterpillar track durability test method and tester Download PDFInfo
- Publication number
- CN117168847A CN117168847A CN202311262001.9A CN202311262001A CN117168847A CN 117168847 A CN117168847 A CN 117168847A CN 202311262001 A CN202311262001 A CN 202311262001A CN 117168847 A CN117168847 A CN 117168847A
- Authority
- CN
- China
- Prior art keywords
- wheel
- tensioning
- lifting
- crawler belt
- driving
- 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.)
- Pending
Links
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 26
- 239000005060 rubber Substances 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application discloses a method and a machine for testing durability of a crawler belt, wherein the testing method comprises the following steps: the crawler belt to be tested is arranged on a crawler belt driving part, and the crawler belt driving part is used for driving the crawler belt to rotate; the tensioning part is used for adjusting the tensioning force of the crawler belt, and the crawler belt driving part and the tensioning part are arranged on the lifting part; the loading part drives the lifting part to move up and down, and the loading part drives the lifting part to move down so as to enable the crawler belt to be in contact with the simulated pavement; the runway section serves as a simulated road surface, and a speed differential is created between the link plates in the runway section and the track to provide frictional resistance to the track. The test method is used for testing the durability of the rubber track under the conditions of pretension, simulated dead weight of the vehicle body and ground friction, and provides more accurate and reliable durability test data by simulating the real working condition of the rubber track.
Description
Technical Field
The application relates to the technical field of caterpillar band performance test, in particular to a caterpillar band durability test method and a tester.
Background
The rubber crawler belt is an annular rubber belt made of rubber and metal or fiber composite materials, and has good passing performance, so that the rubber crawler belt plays an important role in the fields of military, agriculture, construction and the like. The road simulation test can reflect the reliability and safety of the rubber track.
The prior test scheme comprises the following steps: the rubber tracks of different types are respectively arranged on different crawler-type vehicle running mechanisms, the crawler-type vehicle is driven to a specified road condition and mileage, and the fatigue durability and abrasion performance of the product are judged by detecting the problems of the rubber tracks in the driving process. The disadvantages of the existing test schemes are: the method can only play a role in post-hoc prevention through loading operation, and corresponding test data cannot be collected to guide the research and development of the product, so that the research and development cost of the product is high, the period is long, and the like.
Chinese patent CN103837421a discloses a crawler-type drum test stand device, in which a wheeled vehicle is installed on a track shoe support simulation road, and the device can measure the whole performance of the wheeled vehicle. Although the performance and reliability of the vehicle can be checked under the same condition, the single tire cannot be quantitatively loaded, and the single track cannot be quantitatively loaded and quantitatively tensioned, so that the performance test of the single tire or the single track under the same condition cannot be provided.
The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
Aiming at the problems pointed out in the background art, the application provides a track durability test method and a test machine, which are used for testing the durability of a rubber track under the conditions of pretension, simulated dead weight of a vehicle body and ground friction, and providing more accurate and reliable durability test data by simulating the real working condition of the rubber track.
In order to achieve the aim of the application, the application is realized by adopting the following technical scheme:
the application provides a method for testing durability of a crawler belt, which comprises the following steps:
the crawler belt to be tested is arranged on a crawler belt driving part, and the crawler belt driving part is used for driving the crawler belt to rotate;
the tensioning force of the crawler belt is adjusted by the tensioning part, and the crawler belt driving part and the tensioning part are arranged on the lifting part;
the loading part drives the lifting part to move up and down, and the loading part drives the lifting part to move down so as to enable the crawler belt to be in contact with the simulated pavement;
the simulated road surface is served by a runway section, in which a speed differential is created between the link plates and the track to provide frictional resistance to the track.
The application also provides a crawler belt durability testing machine applied to the testing method, which comprises the following steps:
the rack comprises a rack vertical part and a rack transverse part;
the lifting part is arranged on the vertical part of the frame and moves up and down along the vertical part of the frame;
the crawler driving part is arranged on the lifting part and is used for driving the crawler to be tested to rotate;
the tensioning part is arranged on the lifting part and is used for providing tensioning force for the crawler belt to be tested;
a runway section provided on the frame transverse section below the track to be tested, the runway section for providing frictional resistance to the track to be tested;
and the loading part is arranged on the vertical part of the frame and used for driving the lifting part to move up and down so as to enable the track to be tested to be contacted with the runway part.
In some embodiments, the track driving part comprises a track driving motor, a wheel frame assembly and a transmission shaft, wherein a first belt wheel is arranged at the power output end of the track driving motor, a second belt wheel is arranged at one end of the transmission shaft, the other end of the transmission shaft is connected with the wheel frame assembly, a transmission belt is arranged between the first belt wheel and the second belt wheel, and the wheel frame assembly is provided with a track to be tested.
In some embodiments, the lifting part comprises a lifting vertical part and a lifting transverse part, the lifting vertical part is in sliding connection with the frame vertical part, and an opening for the lifting transverse part to extend is formed in the frame vertical part;
the crawler driving motor is arranged on the lifting transverse portion, the transmission shaft is arranged on the lifting vertical portion, the first belt pulley, the second belt pulley and the transmission belt are positioned on one side of the lifting vertical portion, and the wheel carrier assembly is positioned on the other opposite side of the lifting vertical portion.
In some embodiments, the loading portion is disposed at a top of the vertical portion of the frame, and a power output end of the loading portion is connected to the top of the lifting vertical portion.
In some embodiments, the wheel frame assembly comprises a wheel frame, a driving wheel and a tensioning wheel, wherein the driving wheel is connected with the transmission shaft, the wheel frame is fixedly arranged on the lifting part, an upper riding wheel is arranged on the upper side of the wheel frame, and a lower riding wheel is arranged on the lower side of the wheel frame;
the tensioning wheel is connected with the tensioning part, and the tensioning part drives the tensioning wheel to move along the horizontal direction so as to adjust the tensioning force of the crawler to be tested.
In some embodiments, the wheel frame comprises a wheel frame main body, wherein the upper supporting wheel is arranged on the upper side of the wheel frame main body, the lower supporting wheel is arranged on the lower side of the wheel frame main body, one end of the wheel frame extension arm is connected with the lifting part, and the other end of the wheel frame extension arm is connected with the wheel frame main body.
In some embodiments, the tensioning part comprises a tensioning driving part and a tensioning moving part, the tensioning moving part is in sliding connection with the lifting part, the tensioning driving part is used for driving the tensioning moving part to move in the horizontal direction, and the tensioning moving part is connected with the tensioning wheel.
In some embodiments, the tensioning moving part comprises a moving plate and a tensioning extension arm, wherein the moving plate is in sliding connection with the lifting part, and one end of the tensioning extension arm is connected with the moving plate, and the other end of the tensioning extension arm is connected with the tensioning wheel.
In some embodiments, the runway section includes a link plate and a link plate drive section disposed on the frame transverse section, the link plate drive section for driving rotation of the link plate, the link plate for providing frictional resistance to the track to be tested;
the chain plate driving part comprises a chain plate driving wheel, a chain plate driven wheel, a chain plate driving motor and a brake, wherein the brake is connected with the chain plate driving motor, and the chain plate driving motor is connected with the chain plate driving wheel.
Compared with the prior art, the application has the advantages and positive effects that:
the application discloses a method and a machine for testing durability of a crawler belt, which are used for the durability test of the rubber crawler belt under the conditions of pretension, vehicle body dead weight simulation and ground friction. Tensioning the crawler belt by the tensioning part and adjusting the tensioning force of the crawler belt; the loading of the loading part is used for simulating the gravity of the tracked vehicle; there is a speed differential between the track portion and the track to provide frictional resistance to the track, and by adjusting the speed differential, different frictional resistances are provided to the track. The tester has the functions of loading, tensioning and simulating ground friction, provides the truest working condition for the crawler belt, and further provides more accurate and reliable endurance test data for crawler belt users, manufacturers and the like.
Other features and advantages of the present application will become apparent upon review of the detailed description of the application in conjunction with the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of a track durability tester according to an embodiment;
FIG. 2 is a schematic view of the structure of FIG. 1 from Q1;
FIG. 3 is a schematic view of a structure of a frame according to an embodiment;
FIG. 4 is a schematic view of a track durability tester according to an embodiment, with the frame and track portions omitted;
FIG. 5 is a schematic view of the structure of FIG. 4 from Q2;
FIG. 6 is a schematic view of the track of FIG. 4 with the track omitted;
FIG. 7 is a schematic structural view of a tensioning portion according to an embodiment;
FIG. 8 is a schematic structural view of a runway section according to an embodiment;
FIG. 9 is a schematic diagram of a stress analysis of a track according to an embodiment;
reference numerals:
100. a frame; 110. a vertical part of the frame; 111. an opening; 120. a frame transverse portion; 130. a second slide rail; 140. a second mounting base;
200. a lifting part; 210. lifting the vertical portion; 220. lifting the transverse portion; 230. a first slide rail; 240. a first mount;
300. a crawler belt driving part; 310. a track drive motor; 320. a first pulley; 330. a second pulley; 340. a transmission belt; 350. a wheel carrier assembly; 351. a driving wheel; 352. a tensioning wheel; 353. a wheel carrier; 3531. a wheel carrier body; 3532. a wheel carrier extension arm; 354. a riding wheel; 355. a lower riding wheel; 360. a transmission shaft;
400. a tensioning part; 410. a tension driving part; 420. tensioning the moving part; 421. a moving plate; 422. tensioning the extension arm;
500. a runway section; 510. a link plate; 520. a link plate driving part; 521. a link plate driving motor; 522. a chain plate driving wheel; 523. chain plate driven wheel; 524. a brake;
600. a loading unit;
10. a track.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The embodiment discloses a track durability testing machine which is used for testing the durability of a rubber track under the conditions of pretension, simulating the dead weight of a vehicle body and ground friction. Referring to fig. 1 and 2, it mainly includes a frame 100, a lifting part 200, a track driving part 300, a tensioning part 400, a track part 500, a loading part 600, and the like.
The frame 100 is used as a mounting carrier for other components, and referring to fig. 3, includes a frame vertical portion 110 and a frame lateral portion 120 which are integrally formed, the frame lateral portion 120 is provided at the bottom of the frame vertical portion 110, and the frame lateral portion 120 is placed on the ground. The front side and the rear side of the frame vertical portion 110 are provided with the frame transverse portion 120, the frame transverse portion 120 is equivalent to the chassis of the whole testing machine, the spreading area of the frame transverse portion 120 is large, and the stability of the whole testing machine is improved.
The lifting part 200 is disposed on the frame 100, specifically, is slidably disposed on the frame vertical part 110, and the lifting part 200 can move up and down along the frame vertical part 110.
The up-and-down movement of the up-and-down section 200 is driven by the loading section 600. The loading part 600 is provided on the frame 100, specifically, on the frame vertical part 110. The loading of the loading section 600 is used to simulate the weight of a tracked vehicle.
The lifting part 200 serves as a mounting carrier for the track driving part 300 and the tensioning part 400, and drives the track driving part 300 and the tensioning part 400 to synchronously move up and down.
The track driving part 300 is provided on the lifting part 200, the track 10 to be tested is mounted on the track driving part 300, and the track driving part 300 is used for driving the track 10 to be tested to rotate.
The tensioning part 400 is provided on the lifting part 200, and the tensioning part 400 is used to provide a tensioning force to the track 10 to be tested and adjust the tensioning force of the track 10.
The runway section 500 is disposed on the frame 100, specifically on the frame transverse section 120, the runway section 500 is located below the track 10 to be tested, and the runway section 500 is used for providing friction resistance to the track 10 to be tested. The runway section 500 functions to simulate a road surface.
At the time of the test, the crawler belt 10 to be tested is mounted on the crawler belt driving section 300; tensioning the crawler 10 by the tensioning part 400 and adjusting the tensioning force of the crawler 10; the loading part 600 drives the lifting part 200 to move downwards so that the crawler 10 contacts with the runway part 500, the loading part 600 continues to load, the crawler 10 continuously presses the runway part 500 downwards, and the loading of the loading part 600 is used for simulating the gravity of the crawler vehicle; the track driving part 300 drives the track 10 to rotate, and the track part 500 rotates under the action of its own driving mechanism, and there is a speed difference between the track part 500 and the track 10 to provide frictional resistance to the track 10, and by adjusting the speed difference, different frictional resistances are provided to the track 10.
The loading force provided by the loading section 600 is denoted as F Loading force The tension provided by the tensioning portion 400 is denoted as F Tension force The friction provided by the runway section 500 is denoted as F Friction force The force analysis is shown in fig. 8.
The tester in the embodiment has the functions of loading, tensioning and simulating ground friction, provides the truest working condition for the crawler belt, and further provides more accurate and reliable endurance test data for users, manufacturers and the like of the crawler belt.
In some embodiments, referring to fig. 4 and 5, the track driving part 300 includes a track driving motor 310, a wheel frame assembly 350, and a transmission shaft 360, a power output end of the track driving motor 310 is provided with a first pulley 320, one end of the transmission shaft 360 is provided with a second pulley 330, the other end of the transmission shaft 360 is connected with the wheel frame assembly 350, a transmission belt 340 is provided between the first pulley 320 and the second pulley 330, and the track 10 to be tested is mounted on the wheel frame assembly 350.
The crawler driving motor 310 is started to drive the first belt pulley 320 to rotate, the second belt pulley 330 synchronously rotates under the action of the driving belt 340, the second belt pulley 330 drives the transmission shaft 360 to rotate, and the transmission shaft 360 drives the driving wheel 351 on the wheel frame assembly 350 to rotate, so that the crawler 10 is driven to rotate.
In some embodiments, the lifting portion 200 includes a lifting vertical portion 210 and a lifting lateral portion 220 that are integrally formed, the lifting vertical portion 210 being slidably coupled to the frame 100, the lifting lateral portion 220 extending from the lifting vertical portion 210 to one side of the lifting vertical portion 210.
The track driving motor 310 is fixedly arranged on the lifting transverse portion 220, the transmission shaft 360 is arranged on the lifting vertical portion 210, the first belt pulley 320, the second belt pulley 330 and the transmission belt 340 are positioned on one side of the lifting vertical portion 210, and the wheel frame assembly 350 is positioned on the other opposite side of the lifting vertical portion 210.
From the overall arrangement, the lifting vertical portion 210 has components disposed on both front and rear sides, which improves the overall arrangement compactness and facilitates the arrangement of the runway section 500 below the crawler 10.
In some embodiments, referring to fig. 4, a second sliding rail 130 is disposed on the vertical frame portion 110, and a second slider (not labeled) is disposed on the vertical lifting portion 210 correspondingly, so that the lifting portion 200 is slidably mounted on the frame 100 through sliding connection between the second slider and the second sliding rail 130.
In some embodiments, referring to fig. 6, the wheel carriage assembly 350 includes a wheel carriage 353, a driving wheel 351, and a tensioning wheel 352, the driving wheel 351 being located at one end of the wheel carriage 353, the tensioning wheel 352 being located at the other opposite end of the wheel carriage 353. The upper side of the wheel frame 353 is provided with an upper riding wheel 354, and the lower side is provided with a lower riding wheel 355.
The driving wheel 351 is connected with the transmission shaft 360, the transmission shaft 360 rotates to drive the driving wheel 351 to rotate, and the driving wheel 351 drives the crawler belt 10 to rotate.
The idler 352 is connected to the tensioning part 400, and the tensioning part 400 drives the idler 352 to move in a horizontal direction to adjust the tensioning force of the crawler 10.
The wheel frame 353 is fixedly arranged on the lifting vertical portion 210, so that the whole wheel frame assembly 350 is fixedly arranged on the lifting portion 200.
In some embodiments, with continued reference to fig. 6, the wheel frame 353 includes a wheel frame body 3531 and a wheel frame extension arm 3532, wherein an upper riding wheel 354 is provided on an upper side of the wheel frame body 3531, a lower riding wheel 355 is provided on a lower side of the wheel frame body 3531, one end of the wheel frame extension arm 3532 is fixedly connected with the lifting portion 200, and the other end is fixedly connected with the wheel frame body 3531.
The wheel carrier extension arm 3532 is provided to provide a distance between the track 10 and the lifting vertical portion 210, so as to avoid movement interference between the track 10 and the lifting vertical portion 210.
In some embodiments, referring to fig. 7, the tensioning part 400 includes a tensioning driving part 410 and a tensioning moving part 420, the tensioning moving part 420 is slidably connected with the lifting part 200, the tensioning driving part 410 is used for driving the tensioning moving part 420 to move in a horizontal direction, and the tensioning moving part 420 is connected with the tensioning wheel 352.
The tensioning wheel 352 is driven to move in the horizontal direction by the tensioning moving part 420, so that the tensioning force of the crawler 10 is adjusted.
Referring to fig. 4, the tension driving part 410 is a hydraulic cylinder, and a power output end of the cylinder is connected to the tension moving part 420. The lifting vertical portion 210 is provided with a first mounting seat 240 for mounting the tension driving portion 410.
The tension driving part 410 is positioned above the wheel frame extension arm 3532, and the structural layout is compact.
In some embodiments, referring to fig. 7, the tensioning moving part 420 includes a moving plate 421 and a tensioning extension arm 422 of an integrated structure, the moving plate 421 is slidably connected to the elevation vertical part 210, and one end of the tensioning extension arm 422 is connected to the moving plate 421 and the other end is connected to the tensioning wheel 352.
The tension extension arm 422 is provided such that the tension wheel 352 extends toward the front side of the elevation vertical portion 210 to be fitted with the crawler 10.
In some embodiments, the lifting vertical portion 210 is provided with a first sliding rail 230, the moving plate 421 is provided with a first sliding block (not labeled), and the sliding installation of the tensioning moving portion 420 on the lifting vertical portion 210 is realized through the sliding fit between the first sliding block and the first sliding rail 230.
In some embodiments, referring to fig. 4, the loading part 600 is disposed at the top of the frame 100, specifically, at the top of the frame vertical part 110, and the power output end of the loading part 600 is connected to the top of the lifting vertical part 210.
Referring to fig. 1, the loading part 600 is a hydraulic cylinder, and a second mounting seat 140 is provided at the top of the frame vertical part 110 for mounting the loading part 600.
In some embodiments, referring to fig. 8, the runway section 500 includes a link plate 510 and a link plate driving portion 520, the link plate driving portion 520 being provided on the frame 100, and in particular on the frame transverse portion 120, the link plate driving portion 520 being configured to drive the link plate 510 in rotation, the link plate 510 being configured to provide frictional resistance to the track 10 to be tested.
In some embodiments, the link plate driving portion 520 includes a link plate driving wheel 522, a link plate driven wheel 523, a link plate driving motor 521, and a brake 524, the brake 524 being connected to the link plate driving motor 521, the link plate driving motor 521 being connected to the link plate driving wheel 522.
The link plate driving motor 521 drives the link plate driving pulley 522 to rotate, and thus drives the link plate 510 to rotate.
The link plate driving motor 521 is controlled by the brake 524 to adjust the rotational speed of the link plate 510, thereby adjusting the speed difference between the link plate 510 and the track 10 to provide different frictional resistance to the track 10.
In some embodiments, the driving wheels 351 are detachable, and the applicability of the whole machine is improved by replacing the driving wheels 351 with different specifications so as to test the tracks with different specifications.
The embodiment discloses a track durability test method for performing durability test on a rubber track, comprising the following steps:
the track to be tested 10 is mounted on a track driving part 300, and the track driving part 300 is used for driving the track 10 to rotate;
the tensioning force of the crawler 10 is adjusted by the tensioning part 400, and the crawler driving part 300 and the tensioning part 400 are mounted on the elevation part 200;
the loading part 600 drives the lifting part 200 to move up and down, and the loading part 600 drives the lifting part 200 to move down so as to enable the crawler 10 to be in contact with the simulated road surface;
the runway section 500 serves as a simulated road surface, and a speed difference is generated between the link plates 510 in the runway section 500 and the crawler 10 to provide frictional resistance to the crawler 10.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. A method for testing durability of a track, comprising:
the crawler belt to be tested is arranged on a crawler belt driving part, and the crawler belt driving part is used for driving the crawler belt to rotate;
the tensioning force of the crawler belt is adjusted by the tensioning part, and the crawler belt driving part and the tensioning part are arranged on the lifting part;
the loading part drives the lifting part to move up and down, and the loading part drives the lifting part to move down so as to enable the crawler to be in contact with the simulated pavement;
the simulated road surface is served by a runway section, in which a speed differential is created between the link plates and the track to provide frictional resistance to the track.
2. A track durability testing machine for performing a durability test on a track using the test method of claim 1, said testing machine comprising:
the rack comprises a rack vertical part and a rack transverse part;
the lifting part is arranged on the vertical part of the frame and moves up and down along the vertical part of the frame;
the crawler driving part is arranged on the lifting part and is used for driving the crawler to be tested to rotate;
the tensioning part is arranged on the lifting part and is used for providing tensioning force for the crawler belt to be tested;
a runway section provided on the frame transverse section below the track to be tested, the runway section for providing frictional resistance to the track to be tested;
and the loading part is arranged on the vertical part of the frame and used for driving the lifting part to move up and down so as to enable the track to be tested to be contacted with the runway part.
3. The machine for testing the durability of a crawler belt according to claim 2, wherein,
the crawler belt driving part comprises a crawler belt driving motor, a wheel frame assembly and a transmission shaft, wherein a first belt wheel is arranged at the power output end of the crawler belt driving motor, a second belt wheel is arranged at one end of the transmission shaft, the other end of the transmission shaft is connected with the wheel frame assembly, a transmission belt is arranged between the first belt wheel and the second belt wheel, and a crawler belt to be tested is installed on the wheel frame assembly.
4. The machine for testing the durability of a crawler belt according to claim 3, wherein,
the lifting part comprises a lifting vertical part and a lifting transverse part, the lifting vertical part is in sliding connection with the vertical part of the frame, and an opening for the lifting transverse part to extend out is formed in the vertical part of the frame;
the crawler driving motor is arranged on the lifting transverse portion, the transmission shaft is arranged on the lifting vertical portion, the first belt pulley, the second belt pulley and the transmission belt are positioned on one side of the lifting vertical portion, and the wheel carrier assembly is positioned on the other opposite side of the lifting vertical portion.
5. The machine for testing the durability of a crawler belt according to claim 4, wherein,
the loading part is arranged at the top of the vertical part of the frame, and the power output end of the loading part is connected with the top of the lifting vertical part.
6. The machine for testing the durability of a crawler belt according to claim 3, wherein,
the wheel frame assembly comprises a wheel frame, a driving wheel and a tensioning wheel, wherein the driving wheel is connected with the transmission shaft, the wheel frame is fixedly arranged on the lifting part, an upper riding wheel is arranged on the upper side of the wheel frame, and a lower riding wheel is arranged on the lower side of the wheel frame;
the tensioning wheel is connected with the tensioning part, and the tensioning part drives the tensioning wheel to move along the horizontal direction so as to adjust the tensioning force of the crawler to be tested.
7. The machine for testing the durability of a crawler belt according to claim 6, wherein,
the wheel carrier comprises a wheel carrier main body and a wheel carrier extension arm, wherein the upper supporting wheel is arranged on the upper side of the wheel carrier main body, the lower supporting wheel is arranged on the lower side of the wheel carrier main body, one end of the wheel carrier extension arm is connected with the lifting part, and the other end of the wheel carrier extension arm is connected with the wheel carrier main body.
8. The machine for testing the durability of a crawler belt according to claim 6, wherein,
the tensioning part comprises a tensioning driving part and a tensioning moving part, the tensioning moving part is in sliding connection with the lifting part, the tensioning driving part is used for driving the tensioning moving part to move along the horizontal direction, and the tensioning moving part is connected with the tensioning wheel.
9. The machine for testing the durability of a crawler belt according to claim 8, wherein,
the tensioning moving part comprises a moving plate and a tensioning extending arm, the moving plate is in sliding connection with the lifting part, one end of the tensioning extending arm is connected with the moving plate, and the other end of the tensioning extending arm is connected with the tensioning wheel.
10. The machine according to any one of claims 2 to 9, wherein,
the runway part comprises a chain plate and a chain plate driving part, the chain plate driving part is arranged on the transverse part of the frame and is used for driving the chain plate to rotate, and the chain plate is used for providing friction resistance for the caterpillar band to be tested;
the chain plate driving part comprises a chain plate driving wheel, a chain plate driven wheel, a chain plate driving motor and a brake, wherein the brake is connected with the chain plate driving motor, and the chain plate driving motor is connected with the chain plate driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311262001.9A CN117168847A (en) | 2023-09-27 | 2023-09-27 | Caterpillar track durability test method and tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311262001.9A CN117168847A (en) | 2023-09-27 | 2023-09-27 | Caterpillar track durability test method and tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117168847A true CN117168847A (en) | 2023-12-05 |
Family
ID=88946880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311262001.9A Pending CN117168847A (en) | 2023-09-27 | 2023-09-27 | Caterpillar track durability test method and tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117168847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405392A (en) * | 2023-12-15 | 2024-01-16 | 宁波捷豹传动系统有限公司 | Transmission belt test device and working method |
-
2023
- 2023-09-27 CN CN202311262001.9A patent/CN117168847A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405392A (en) * | 2023-12-15 | 2024-01-16 | 宁波捷豹传动系统有限公司 | Transmission belt test device and working method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117168847A (en) | Caterpillar track durability test method and tester | |
| US4800748A (en) | Method and apparatus for testing rail vehicle wheels | |
| CN104458285A (en) | Crawler-type simulation road tire mechanical property test bed | |
| CN220819445U (en) | Caterpillar track durability testing machine | |
| CN112504695A (en) | Multi-degree-of-freedom terrain simulation device | |
| CN220819446U (en) | Caterpillar track durability testing machine | |
| CN117168848A (en) | Caterpillar track durability test method and tester | |
| CN114216700A (en) | Rear axle assembly impact experiment table | |
| CN116818587B (en) | Device and method for detecting wear resistance of rubber sole material | |
| CN221224218U (en) | Caterpillar track durability testing machine | |
| CN220819447U (en) | Caterpillar track durability testing machine | |
| CN220819444U (en) | Caterpillar track installation assembly and caterpillar track durability testing machine | |
| CN112986822A (en) | Hub motor test equipment | |
| CN117606825A (en) | Caterpillar track durability test method | |
| CN205538230U (en) | Automobile operation stability rack test test bench | |
| CN209910930U (en) | Whole car vibration test device | |
| CN116519518A (en) | Asphalt pavement abrasion acceleration loading test system and method based on main driving wheels | |
| CN103837421B (en) | A kind of rubber belt track Road Simulation Test method and device | |
| JP2735908B2 (en) | Vehicle mobility evaluation test equipment | |
| US8347702B2 (en) | Tracked vehicle track backer pad and road wheel tire test machine and method | |
| CN108760357B (en) | Reliability detection device for bearing shoes of variable-track-gauge bogie | |
| CN210243196U (en) | Vehicle vibration environment simulation excitation loading device with crawler running | |
| CN219391359U (en) | Tire radial loading system and tire traction performance testing machine | |
| CN113246673A (en) | Crawler-type action system applied to amphibious unmanned vehicle | |
| JP6922255B2 (en) | Tire test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |