CN115508082B - Fatigue test device and method based on overrunning clutch of loader - Google Patents
Fatigue test device and method based on overrunning clutch of loader Download PDFInfo
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- CN115508082B CN115508082B CN202211184257.8A CN202211184257A CN115508082B CN 115508082 B CN115508082 B CN 115508082B CN 202211184257 A CN202211184257 A CN 202211184257A CN 115508082 B CN115508082 B CN 115508082B
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims abstract description 53
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000010998 test method Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 71
- 230000008569 process Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a fatigue test device and a fatigue test method based on a loader overrunning clutch, and relates to the technical field of overrunning clutch testing. This fatigue test device and test method based on loader overrunning clutch, through the setting of spacing subassembly and drive assembly, when assembling the measured piece, can pass through outside pulling drive shaft pole, then insert the locating head through with the measured piece, then insert the measured piece to the holding ring inside through the cooperation of components such as locating head and drive shaft pole, make it fix a position through a plurality of positioning claw and can accomplish the assembly of measured piece, can effectually promote the convenience of overrunning clutch in assembling, dismantling when guaranteeing the stability of rear side experiment, the result of use of equipment has been promoted, simultaneously through the setting of spacing subassembly, can make equipment carry out spacing operation to the measured piece of different models, the application scope of equipment has been promoted.
Description
Technical Field
The invention relates to the technical field of overrunning clutch testing, in particular to a fatigue test device and a fatigue test method based on a loader overrunning clutch.
Background
The overrunning clutch is a basic component which appears along with the development of an electromechanical integrated product and is an important component for the power transmission and separation function between a prime motor and a working machine or between a driving shaft and a driven shaft in the machine; the device has a self-clutch function by utilizing the speed change or the rotation direction change of the driving part and the driven part.
The overrunning clutch is required to be tested by selecting samples during production so as to ensure that the performance of the overrunning clutch meets the requirements, and the driving piece and the driven piece of the tested piece are required to be fixed with test equipment or a positioning die respectively during test, so that the operation efficiency of the equipment is reduced when the tested piece is assembled and disassembled, and in addition, when the tested pieces of different types are tested, the positioning piece of the equipment is required to be replaced, and the application range of the equipment is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fatigue test device and a fatigue test method based on a loader overrunning clutch, which solve the problems of complicated assembly and small application range of a tested piece.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a fatigue test device based on loader overrun clutch, includes the organism, top surface one side fixed mounting of organism has the bearing plate, and the top surface middle part fixed mounting of bearing plate has driving motor, the top surface opposite side fixed mounting of organism has the locating plate, and the inboard fixed mounting of locating plate has the dynamometer, the inboard of dynamometer is provided with spacing subassembly, and rotates through spacing subassembly and be provided with the overrun clutch, driving motor's inboard is provided with drive assembly, spacing subassembly includes the holding ring, the output fixed mounting of dynamometer has the drive end, and the tip of drive end installs the screw thread locating lever, the inside central point of holding ring has seted up the socket, and through the cooperation fixed mounting of screw thread locating lever in the outside of drive end, a plurality of slot has been seted up to the circumference outside symmetry of holding ring the inside of slot all is equipped with the locating pawl, and all is provided with spacing subassembly between the locating pawl, a plurality of the inboard both ends of locating pawl all are fixed mounting has the rubber strip, one of the inboard middle part of locating pawl is fixed with the second, the drive end and the tip installs the screw thread locating lever, the inside of locating pawl and the same with the arc-shaped support between the arc-shaped support piece is all set up to the arc-shaped support.
Preferably, the limiting component comprises a sliding rod, the sliding rod is provided with a plurality of positioning claws which are respectively and fixedly arranged at the end parts of the corresponding positioning claws, a plurality of arc-shaped sliding grooves are symmetrically formed in the side faces of the positioning ring, and the plurality of positioning claws which are respectively and correspondingly arranged on the sliding rod are matched and slidably arranged inside the arc-shaped sliding grooves, and the end parts of the positioning claws are sleeved with positioning nuts.
Preferably, the support assembly comprises a positioning frame, the positioning frame is fixedly arranged on the top surface of the machine body, a bearing is fixedly sleeved in the positioning frame, and the end part of the transmission end penetrates through the bearing and is connected with an inner wall fixing wheel of the bearing.
Preferably, the support assembly further comprises a bearing backing ring, the bearing backing ring is rotatably arranged on the side face of the positioning ring, the side face of the bearing backing ring exceeds the positioning ring, and the installation position of the bearing backing ring is identical to the circle center axis of the positioning ring.
Preferably, the transmission assembly comprises a transmission shaft rod, an inner sliding rod is arranged in the transmission shaft rod in a sliding manner, a connecting groove is formed in the end portion of the inner sliding rod, a plurality of positioning holes are symmetrically formed in the periphery of the outer side of the connecting groove, the end portion of the inner sliding rod is fixedly sleeved on the output end portion of the driving motor, a reset assembly is arranged between one end of the transmission shaft rod and the inner sliding rod, and a positioning assembly is arranged at one end of the transmission shaft rod and provided with a positioning head through the positioning assembly.
Preferably, the reset component comprises a supporting spring, one end of the transmission shaft rod is fixedly provided with a pull ring, the outer side of the pull ring is fixedly provided with a pull plate, the end part of the inner slide rod is fixedly sleeved with a fixing ring, and the supporting spring is sleeved on the outer side of the inner slide rod, and the two ends of the supporting spring are respectively fixedly connected with the fixing ring and the side face of the pull ring.
Preferably, the positioning assembly comprises an inserting ring, an annular groove is formed in the end portion of the transmission shaft rod, a plurality of threaded holes are symmetrically formed in the outer side of the annular groove, the inserting ring is fixedly arranged on the positioning head, and the positioning head is fixedly arranged at the end portion of the transmission shaft rod through the matching of the inserting ring and the positioning head.
Preferably, the outside fixed mounting of locating head has first arc picture peg, the mounted position of first arc picture peg corresponds each other with the arc socket that overrunning clutch driving piece, follower circumference side were seted up, the fixed ring that has cup jointed in the circumference outside of locating head.
The invention also discloses a test method of the fatigue test device based on the overrunning clutch of the loader, which comprises the following steps:
S1, equipment adjustment: firstly, canceling positioning among the positioning claws, the sliding rods and the positioning rings by rotating a plurality of corresponding positioning nuts, and then respectively pulling the corresponding positioning claws outwards until the corresponding positioning claws are pulled to an overrun clutch suitable for testing, and then, fixing the overrun clutch again by the positioning nuts to finish the adjustment process of the equipment;
S2, mounting a tested piece: the transmission shaft rod is pushed outwards through the pull ring and the pull plate, the transmission shaft rod is forced to slide to one side along the inner slide rod to extrude the supporting spring, so that the positioning head at the end part of the transmission shaft rod is separated from the positioning ring, then the overrunning clutch to be tested is inserted into the outer side of the positioning head, the first arc-shaped inserting plate is inserted into the corresponding arc-shaped inserting opening at the same time of insertion, the transmission shaft rod is enabled to eject the overrunning clutch to one side of the positioning ring through the positioning head by loosening the pull plate, then the second arc-shaped inserting plate which is arranged in the middle of the inner side of the positioning claw is inserted into the corresponding arc-shaped inserting opening through holding, and therefore the overrunning clutch is positioned through a plurality of positioning claws, and the assembly of a tested piece can be completed;
s3, test setting: setting the rotating speed and the torque of the overrun clutch, calculating the rotating speed and the torque of the driving motor and the torque of the dynamometer, starting the test device, setting the dynamometer to be idle, setting the driving motor to be in a rotating speed mode, and enabling the rotating speed of the driving motor to reach a set initial value;
s4, data recording: repeating the steps, when the overrunning clutch fails, replacing and recording the overrunning clutch, and replacing the subsequent tested piece to continue the test.
Preferably, after the overrunning clutch of the tested piece in the step S2 is installed, the circle center shafts among the transmission shaft lever, the overrunning clutch and the positioning ring are the same.
Advantageous effects
The invention provides a fatigue test device and a fatigue test method based on a loader overrunning clutch. Compared with the prior art, the method has the following beneficial effects:
(1) According to the fatigue test device and the test method based on the loader overrunning clutch, through the arrangement of the limiting assembly and the transmission assembly, when a tested piece is assembled, the transmission shaft rod can be pulled outwards, then the tested piece is inserted into the positioning head, then the tested piece is inserted into the positioning ring through the matching of the positioning head, the transmission shaft rod and other assemblies, the assembly of the tested piece can be completed through positioning of the positioning claws, the stability of a rear side experiment is guaranteed, meanwhile, the convenience of assembling and disassembling of the overrunning clutch is effectively improved, and the using effect of equipment is improved.
(2) According to the fatigue test device and the test method based on the overrunning clutch of the loader, through the arrangement of the positioning ring and the positioning claws, the positioning among the positioning claws, the sliding rods and the positioning ring can be canceled by rotating the positioning nuts corresponding to the positioning claws before assembly, and then the corresponding positioning claws are pulled outwards respectively until the overrunning clutch suitable for testing is pulled, the positioning nuts are used for fixing again, the adjustment process of the equipment is completed, the limiting assembly can be suitable for limiting operation on tested pieces of different types, and the application range of the equipment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a transmission shaft of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at point A;
FIG. 4 is a schematic cross-sectional view of a spacing assembly of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at point B;
FIG. 6 is a schematic cross-sectional view of a retaining ring and drive head of the present invention;
FIG. 7 is a schematic view of a retaining ring and a retaining pawl according to the present invention;
FIG. 8 is a schematic view of the explosive structure of FIG. 7 according to the present invention;
FIG. 9 is a schematic flow chart of the present invention;
FIG. 10 is a schematic diagram of a control module according to the present invention.
In the figure: 1. a body; 2. a driving motor; 201. a bearing plate; 3. a transmission shaft lever; 301. an inner slide bar; 3011. a connection groove; 3012. positioning holes; 3013. a fixing ring; 302. a pull ring; 3021. pulling a plate; 303. a support spring; 304. an annular groove; 3041. a threaded hole; 305. a positioning head; 3051. inserting a ring; 306. a first arc-shaped plugboard; 307. a baffle ring; 4. a positioning plate; 401. a dynamometer; 4011. a drive end; 4012. a threaded positioning rod; 402. a positioning frame; 4021. a bearing; 5. an overrunning clutch; 501. an arc-shaped socket; 6. a positioning ring; 601. a socket; 602. an arc chute; 603. a slot; 7. a positioning claw; 701. a rubber strip; 702. a second arc-shaped plugboard; 703. a slide bar; 704. positioning a nut; 8. the backing ring is carried.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides two technical solutions, specifically including the following embodiments:
Embodiment one:
The fatigue test device based on the overrun clutch of the loader comprises a machine body 1, wherein a bearing plate 201 is fixedly arranged on one side of the top surface of the machine body 1, a driving motor 2 is fixedly arranged in the middle of the top surface of the bearing plate 201, a positioning plate 4 is fixedly arranged on the other side of the top surface of the machine body 1, a dynamometer 401 is fixedly arranged on the inner side of the positioning plate 4, the driving motor 2 and the dynamometer 401 are both existing devices and are controlled by control modules, a limiting component is arranged on the inner side of the dynamometer 401 and is rotatably provided with the overrun clutch 5 through the limiting component, a transmission component is arranged on the inner side of the driving motor 2, the limiting component comprises a positioning ring 6, a transmission end 4011 is fixedly arranged at the output end of the dynamometer 401, a threaded positioning rod 4012 is arranged at the end part of the transmission end 4011, the center of the inside of the positioning ring 6 is provided with a socket 601, the socket is fixedly arranged on the outer side of the transmission end 4011 through the matching of a threaded positioning rod 4012, the circumference outer side of the positioning ring 6 is symmetrically provided with a plurality of slots 603, the inside of the plurality of slots 603 is provided with positioning claws 7, limiting components are arranged between the positioning claws 7, the two ends of the inner side of the plurality of positioning claws 7 are fixedly provided with rubber strips 701, the middle part of the inner side of one positioning claw 7 is fixedly provided with a second arc insertion plate 702, the circumferential side surfaces of a driving part and a driven part of the overrunning clutch 5 are provided with the same arc insertion holes 501, and a supporting component is arranged between the dynamometer 401 and the positioning ring 6;
In the embodiment of the invention, the limiting component comprises a plurality of sliding rods 703, the sliding rods 703 are respectively and fixedly arranged at the end parts of the corresponding positioning claws 7, a plurality of arc-shaped sliding grooves 602 are symmetrically arranged on the side surface of the positioning ring 6, the plurality of sliding rods 703 are respectively and correspondingly arranged in the arc-shaped sliding grooves 602 in a sliding manner in a matched manner, the end parts of the sliding rods 703 are respectively sleeved with positioning nuts 704, the supporting component comprises a positioning frame 402, the positioning frame 402 is fixedly arranged on the top surface of the machine body 1, a bearing 4021 is fixedly sleeved in the positioning frame 402, the end parts of the transmission end 4011 penetrate through the bearing 4021 and are connected with the inner wall fixed wheels of the bearing 4021, the supporting component further comprises a bearing backing ring 8, the bearing backing ring 8 is rotatably arranged on the side surface of the positioning ring 6, the side surface of the bearing backing ring 8 exceeds the positioning ring 6, the installation position is the same as the center axis of the positioning ring 6, and the overrunning clutch 5 can be attached to the bearing backing ring 8 when inserted into the positioning ring 6, and the stability of a subsequent experiment is ensured;
In the embodiment of the invention, the transmission assembly comprises a transmission shaft rod 3, an inner slide rod 301 is arranged in the transmission shaft rod 3 in a sliding manner, a connecting groove 3011 is formed in the end part of the inner slide rod 301, a plurality of positioning holes 3012 are symmetrically formed in the periphery of the outer side of the connecting groove 3011, the end part of the inner slide rod 301 is fixedly sleeved at the output end part of a driving motor 2, a reset assembly is arranged between one end of the transmission shaft rod 3 and the inner slide rod 301, a positioning assembly is arranged at one end of the transmission shaft rod 3, a positioning head 305 is fixedly arranged through the positioning assembly, the reset assembly comprises a supporting spring 303, a pull ring 302 is fixedly arranged at one end of the transmission shaft rod 3, a pull plate 3021 is fixedly arranged at the outer side of the pull ring 302, a fixing ring 3013 is fixedly sleeved at the end part of the inner slide rod 301, two ends of the supporting spring 303 are respectively fixedly connected with the fixing ring 3013 and the side surfaces of the pull ring 302, the positioning assembly comprises an insert ring 3051, an annular groove 304 is formed in the end part of the transmission shaft rod 3, a plurality of threaded holes 3041 are symmetrically formed in the outer side of the annular groove 304, the insert ring 1 is fixedly arranged at the end part of the insert ring 305, a positioning head 305 is fixedly arranged at the end part, a first end part is fixedly arranged at the annular insert ring 305, a circumferential surface of the insert ring 305 is fixedly matched with the outer side surface of the insert plate 305, and is fixedly arranged at the outer side of the first end part of the insert plate 305, and the insert plate 305 is fixedly arranged at the outer side of the arc-shaped insert plate 305, and the arc-shaped insert plate 305 is fixedly corresponds to the outer side of the first end part of the insert plate 305, and the insert plate 305 is fixedly arranged at the end part, and the end part of the insert plate 305;
The embodiment of the invention also discloses a test method of the fatigue test device based on the overrunning clutch of the loader, which comprises the following steps:
S1, equipment adjustment: firstly, positioning between a positioning claw 7, a sliding rod 703 and a positioning ring 6 is canceled by rotating a plurality of corresponding positioning nuts 704, and then the corresponding positioning claws 7 are respectively pulled outwards until the corresponding positioning claws 7 are pulled to an overrunning clutch 5 suitable for testing, and then the corresponding positioning claws are re-fixed through the positioning nuts 704, so that the equipment adjusting process is completed;
s2, mounting a tested piece: the transmission shaft lever 3 is pushed outwards through the pull ring 302 and the pull plate 3021, so that the transmission shaft lever 3 is forced to slide to one side along the inner slide rod 301 to squeeze the supporting spring 303, the positioning head 305 at the end part of the transmission shaft lever is separated from the positioning ring 6, then the overrunning clutch 5 to be tested is inserted into the outer side of the positioning head 305, the first arc-shaped inserting plate 306 is inserted into the corresponding arc-shaped inserting hole 501 while the overrunning clutch is inserted, then the transmission shaft lever 3 is enabled to eject the overrunning clutch 5 to one side of the positioning ring 6 through the positioning head 305 by loosening the pull plate 3021, then the second arc-shaped inserting plate 702 which is arranged in the middle of the inner side of the positioning claw 7 and the corresponding arc-shaped inserting hole 501 are inserted through holding, and therefore the overrunning clutch 5 is positioned through the plurality of positioning claws 7, and the assembly of a tested piece can be completed;
S3, test setting: setting the rotating speed and the torque of the overrun clutch 5, calculating the rotating speed and the torque of the driving motor 2 and the torque of the dynamometer 401, starting the test device, setting the dynamometer 401 to be idle, setting the driving motor 2 to be in a rotating speed mode to enable the rotating speed of the driving motor 2 to reach a set initial value;
S4, data recording: repeating the steps, when the overrunning clutch 5 fails, replacing and recording the overrunning clutch, and replacing the subsequent tested piece to continue the test.
In the embodiment of the invention, after the overrunning clutch 5 of the detected part in the S2 is installed, the circle center axis between the transmission shaft lever 3 and the overrunning clutch 5 as well as between the transmission shaft lever 3 and the positioning ring 6 is the same.
Embodiment two:
The fatigue test device based on the overrun clutch of the loader comprises a machine body 1, wherein a bearing plate 201 is fixedly arranged on one side of the top surface of the machine body 1, a driving motor 2 is fixedly arranged in the middle of the top surface of the bearing plate 201, a positioning plate 4 is fixedly arranged on the other side of the top surface of the machine body 1, a dynamometer 401 is fixedly arranged on the inner side of the positioning plate 4, the driving motor 2 and the dynamometer 401 are both existing devices and are controlled by control modules, a limiting component is arranged on the inner side of the dynamometer 401 and is rotatably provided with the overrun clutch 5 through the limiting component, a transmission component is arranged on the inner side of the driving motor 2, the limiting component comprises a positioning ring 6, a transmission end 4011 is fixedly arranged at the output end of the dynamometer 401, a threaded positioning rod 4012 is arranged at the end part of the transmission end 4011, the center of the inside of the positioning ring 6 is provided with a socket 601, the socket is fixedly arranged on the outer side of the transmission end 4011 through the matching of a threaded positioning rod 4012, the circumference outer side of the positioning ring 6 is symmetrically provided with a plurality of slots 603, the inside of the plurality of slots 603 is provided with positioning claws 7, limiting components are arranged between the positioning claws 7, the two ends of the inner side of the plurality of positioning claws 7 are fixedly provided with rubber strips 701, the middle part of the inner side of one positioning claw 7 is fixedly provided with a second arc insertion plate 702, the circumferential side surfaces of a driving part and a driven part of the overrunning clutch 5 are provided with the same arc insertion holes 501, and a supporting component is arranged between the dynamometer 401 and the positioning ring 6;
In the embodiment of the invention, the limiting component comprises a plurality of sliding rods 703, the sliding rods 703 are respectively and fixedly arranged at the end parts of the corresponding positioning claws 7, a plurality of arc-shaped sliding grooves 602 are symmetrically formed in the side surfaces of the positioning rings 6, the corresponding positioning claws 7 of the plurality of sliding rods 703 are respectively and slidably arranged in the arc-shaped sliding grooves 602, positioning nuts 704 are sleeved at the end parts of the sliding rods, the supporting component comprises a positioning frame 402, the positioning frame 402 is fixedly arranged on the top surface of the machine body 1, a bearing 4021 is fixedly sleeved in the positioning frame 402, and the end parts of the transmission end heads 4011 penetrate through the bearing 4021 and are connected with inner wall fixed wheels of the bearing 4021;
In the embodiment of the invention, the transmission assembly comprises a transmission shaft rod 3, an inner slide rod 301 is arranged in the transmission shaft rod 3 in a sliding manner, a connecting groove 3011 is formed in the end part of the inner slide rod 301, a plurality of positioning holes 3012 are symmetrically formed in the periphery of the outer side of the connecting groove 3011, the end part of the inner slide rod 301 is fixedly sleeved at the output end part of a driving motor 2, a reset assembly is arranged between one end of the transmission shaft rod 3 and the inner slide rod 301, a positioning assembly is arranged at one end of the transmission shaft rod 3, a positioning head 305 is fixedly arranged through the positioning assembly, the reset assembly comprises a supporting spring 303, a pull ring 302 is fixedly arranged at one end of the transmission shaft rod 3, a pull plate 3021 is fixedly arranged at the outer side of the pull ring 302, a fixing ring 3013 is fixedly sleeved at the end part of the inner slide rod 301, two ends of the supporting spring 303 are respectively fixedly connected with the fixing ring 3013 and the side surfaces of the pull ring 302, the positioning assembly comprises an insert ring 3051, an annular groove 304 is formed in the end part of the transmission shaft rod 3, a plurality of threaded holes 3041 are symmetrically formed in the outer side of the annular groove 304, the insert ring 1 is fixedly arranged at the end part of the insert ring 305, a positioning head 305 is fixedly arranged at the end part, a first end part is fixedly arranged at the annular insert ring 305, a circumferential surface of the insert ring 305 is fixedly matched with the outer side surface of the insert plate 305, and is fixedly arranged at the outer side of the first end part of the insert plate 305, and the insert plate 305 is fixedly arranged at the outer side of the arc-shaped insert plate 305, and the arc-shaped insert plate 305 is fixedly corresponds to the outer side of the first end part of the insert plate 305, and the insert plate 305 is fixedly arranged at the end part, and the end part of the insert plate 305;
The embodiment of the invention also discloses a test method of the fatigue test device based on the overrunning clutch of the loader, which comprises the following steps:
S1, equipment adjustment: firstly, positioning between a positioning claw 7, a sliding rod 703 and a positioning ring 6 is canceled by rotating a plurality of corresponding positioning nuts 704, and then the corresponding positioning claws 7 are respectively pulled outwards until the corresponding positioning claws 7 are pulled to an overrunning clutch 5 suitable for testing, and then the corresponding positioning claws are re-fixed through the positioning nuts 704, so that the equipment adjusting process is completed;
s2, mounting a tested piece: the transmission shaft lever 3 is pushed outwards through the pull ring 302 and the pull plate 3021, so that the transmission shaft lever 3 is forced to slide to one side along the inner slide rod 301 to squeeze the supporting spring 303, the positioning head 305 at the end part of the transmission shaft lever is separated from the positioning ring 6, then the overrunning clutch 5 to be tested is inserted into the outer side of the positioning head 305, the first arc-shaped inserting plate 306 is inserted into the corresponding arc-shaped inserting hole 501 while the transmission shaft lever 3 is pushed out to one side of the positioning ring 6 through the positioning head 305 by loosening the pull plate 3021, then the second arc-shaped inserting plate 702 which is arranged in the middle of the inner side of the positioning claw 7 is inserted into the corresponding arc-shaped inserting hole 501 through holding, positioning of the overrunning clutch 5 is completed through the positioning claws 7, and a distance is reserved between the inner side of the overrunning clutch 5 and the positioning ring 6 after positioning of a tested piece is completed;
S3, test setting: setting the rotating speed and the torque of the overrun clutch 5, calculating the rotating speed and the torque of the driving motor 2 and the torque of the dynamometer 401, starting the test device, setting the dynamometer 401 to be idle, setting the driving motor 2 to be in a rotating speed mode to enable the rotating speed of the driving motor 2 to reach a set initial value;
S4, data recording: repeating the steps, when the overrunning clutch 5 fails, replacing and recording the overrunning clutch, and replacing the subsequent tested piece to continue the test.
In the embodiment of the invention, after the overrunning clutch 5 of the detected part in the S2 is installed, the circle center axis between the transmission shaft lever 3 and the overrunning clutch 5 as well as between the transmission shaft lever 3 and the positioning ring 6 is the same.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Fatigue test device based on loader overrunning clutch, including organism (1), top surface one side fixed mounting of organism (1) has bearing plate (201), and the top surface middle part fixed mounting of bearing plate (201) has driving motor (2), top surface opposite side fixed mounting of organism (1) has locating plate (4), and the inboard fixed mounting of locating plate (4) has dynamometer machine (401), its characterized in that: the inner side of the dynamometer (401) is provided with a limiting assembly, an overrunning clutch (5) is rotatably arranged through the limiting assembly, and the inner side of the driving motor (2) is provided with a transmission assembly;
The utility model provides a limit assembly, including holding ring (6), the output fixed mounting of dynamometer machine (401) has drive end (4011), and screw thread locating lever (4012) is installed to the tip of drive end (4011), socket (601) have been seted up at the inside central point of holding ring (6), and the outside at drive end (4011) through the cooperation fixed mounting of screw thread locating lever (4012), a plurality of slot (603) have been seted up to the circumference outside symmetry of holding ring (6), a plurality of the inside of slot (603) all is equipped with locating claw (7), and all is provided with limit assembly between locating claw (7), a plurality of locating claw (7) inboard both ends equal fixed mounting have rubber strip (701), one of them locating claw (7) inboard middle part is fixed to have second arc picture peg (702), the same arc picture peg (501) have all been seted up to driving part and driven piece circumference side of overrunning clutch (5), be provided with supporting assembly between dynamometer (401) and the holding ring (6).
2. The fatigue test device based on the loader overrunning clutch according to claim 1, wherein: the limiting assembly comprises a sliding rod (703), the sliding rod (703) is provided with a plurality of positioning claws (7) and is fixedly arranged at the end parts of the corresponding positioning claws respectively, a plurality of arc-shaped sliding grooves (602) are symmetrically formed in the side faces of the positioning ring (6), the plurality of positioning claws (7) corresponding to the sliding rod (703) are matched and slidably arranged inside the arc-shaped sliding grooves (602), and positioning nuts (704) are sleeved at the end parts of the positioning claws.
3. The fatigue test device based on the loader overrunning clutch according to claim 2, wherein: the support assembly comprises a positioning frame (402), the positioning frame (402) is fixedly arranged on the top surface of the machine body (1), a bearing (4021) is fixedly sleeved in the positioning frame (402), and the end part of the transmission end (4011) penetrates through the bearing (4021) and is connected with an inner wall fixed wheel of the bearing (4021).
4. The fatigue test device based on the overrunning clutch of the loader according to claim 3, wherein: the supporting assembly further comprises a bearing backing ring (8), the bearing backing ring (8) is rotatably arranged on the side face of the positioning ring (6), and the side face of the bearing backing ring (8) exceeds the positioning ring (6) and the installation position is the same as the circle center axis of the positioning ring (6).
5. The fatigue test device based on the loader overrunning clutch according to claim 4, wherein: the transmission assembly comprises a transmission shaft rod (3), an inner sliding rod (301) is arranged in the transmission shaft rod (3) in a sliding mode, a connecting groove (3011) is formed in the end portion of the inner sliding rod (301), a plurality of positioning holes (3012) are formed in the periphery of the outer side of the connecting groove (3011) in a symmetrical mode, the end portion of the inner sliding rod (301) is fixedly sleeved on the output end portion of the driving motor (2), a reset assembly is arranged between one end of the transmission shaft rod (3) and the inner sliding rod (301), and a positioning assembly and a positioning head (305) are fixedly mounted on one end of the transmission shaft rod (3).
6. The fatigue test device based on the loader overrunning clutch according to claim 5, wherein: the reset component comprises a supporting spring (303), a pull ring (302) is fixedly arranged at one end of the transmission shaft rod (3), a pull plate (3021) is fixedly arranged at the outer side of the pull ring (302), a fixing ring (3013) is fixedly sleeved at the end part of the inner sliding rod (301), and the supporting spring (303) is sleeved at the outer side of the inner sliding rod (301) and two ends of the supporting spring are fixedly connected with the fixing ring (3013) and the side face of the pull ring (302) respectively.
7. The fatigue test device based on the loader overrunning clutch according to claim 6, wherein: the positioning assembly comprises an inserting ring (3051), an annular groove (304) is formed in the end portion of the transmission shaft rod (3), a plurality of threaded holes (3041) are symmetrically formed in the outer side of the annular groove (304), the inserting ring (3051) is fixedly installed on a positioning head (305), and the positioning head (305) is fixedly installed at the end portion of the transmission shaft rod (3) through the matching of the inserting ring (3051) and the positioning head (305).
8. The fatigue test device based on the loader overrunning clutch according to claim 7, wherein: the outer side of the positioning head (305) is fixedly provided with a first arc-shaped inserting plate (306), the installation position of the first arc-shaped inserting plate (306) corresponds to an arc-shaped inserting opening (501) formed in the circumferential side surfaces of a driving part and a driven part of the overrunning clutch (5), and a baffle ring (307) is fixedly sleeved on the outer side of the circumference of the positioning head (305).
9. A test method for implementing the fatigue test device based on the overrunning clutch of the loader according to claim 8, comprising the following steps:
S1, equipment adjustment: firstly, positioning among the positioning claws (7), the sliding rods (703) and the positioning rings (6) is canceled by rotating a plurality of corresponding positioning nuts (704), and then the corresponding positioning claws (7) are respectively pulled outwards until the corresponding positioning claws are pulled to an overrunning clutch (5) suitable for testing, and then the corresponding positioning claws are re-fixed through the positioning nuts (704), so that the equipment adjusting process is completed;
S2, mounting a tested piece: the transmission shaft lever (3) is pushed outwards through the pull ring (302) and the pull plate (3021), so that the transmission shaft lever (3) is forced to slide to one side along the inner slide rod (301) to extrude the supporting spring (303), the positioning head (305) at the end part of the transmission shaft lever is separated from the positioning ring (6), then the overrunning clutch (5) to be tested is inserted into the outer side of the positioning head (305), the first arc-shaped inserting plate (306) is inserted into the corresponding arc-shaped inserting opening (501) while the overrunning clutch is inserted, then the pull plate (3021) is loosened, the transmission shaft lever (3) ejects the overrunning clutch (5) to one side of the positioning ring (6) through the positioning head (305), and then the second arc-shaped inserting plate (702) and the corresponding arc-shaped inserting opening (501) which are arranged in the middle of the inner side of the positioning claw (7) are inserted into the overrunning clutch through the hand, and therefore the assembly of the tested piece can be completed through the positioning claws (7);
S3, test setting: setting the rotating speed and the torque of the overrunning clutch (5), calculating the rotating speed and the torque of the driving motor (2) and the torque of the dynamometer (401), starting the test device, setting the dynamometer (401) to be idle, setting the driving motor (2) to be in a rotating speed mode, and enabling the rotating speed of the driving motor (2) to reach a set initial value;
S4, data recording: and repeating the steps, when the overrunning clutch (5) fails, replacing and recording the overrunning clutch, and replacing the subsequent tested piece to continue the test.
10. The test method of the fatigue test device based on the overrunning clutch of the loader according to claim 9, wherein the test method comprises the following steps: and after the overrunning clutch (5) of the detected part in the step S2 is installed, the circle center shafts among the transmission shaft lever (3), the overrunning clutch (5) and the positioning ring (6) are the same.
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| CN202211184257.8A CN115508082B (en) | 2022-09-27 | 2022-09-27 | Fatigue test device and method based on overrunning clutch of loader |
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| CN107024350A (en) * | 2017-04-17 | 2017-08-08 | 哈尔滨工业大学 | High pulling torque freewheel clutch testing fatigue multi-function test stand |
| CN112362364A (en) * | 2020-11-27 | 2021-02-12 | 上海柴油机股份有限公司 | Dynamometer-based anti-dragging starting device and anti-dragging control method thereof |
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| AT10867U3 (en) * | 2009-07-20 | 2010-04-15 | Avl List Gmbh | TEST STAND FOR A COMBUSTION ENGINE |
| CN205958253U (en) * | 2016-08-27 | 2017-02-15 | 安徽合力股份有限公司 | Electromagnetic braking ware fatigue test device |
| CN112881010B (en) * | 2021-04-09 | 2024-12-13 | 吉林大学 | Electromagnetic clutch reliability test device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024350A (en) * | 2017-04-17 | 2017-08-08 | 哈尔滨工业大学 | High pulling torque freewheel clutch testing fatigue multi-function test stand |
| CN112362364A (en) * | 2020-11-27 | 2021-02-12 | 上海柴油机股份有限公司 | Dynamometer-based anti-dragging starting device and anti-dragging control method thereof |
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