CN204964180U - Shifting fork fatigue testing machine - Google Patents

Shifting fork fatigue testing machine Download PDF

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Publication number
CN204964180U
CN204964180U CN201520635782.6U CN201520635782U CN204964180U CN 204964180 U CN204964180 U CN 204964180U CN 201520635782 U CN201520635782 U CN 201520635782U CN 204964180 U CN204964180 U CN 204964180U
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CN
China
Prior art keywords
shift fork
screw
gear shift
crossbeam
horizontal
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Expired - Fee Related
Application number
CN201520635782.6U
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Chinese (zh)
Inventor
龚青山
常治斌
吴岳敏
刘畅
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Hubei University of Automotive Technology
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Hubei University of Automotive Technology
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Priority to CN201520635782.6U priority Critical patent/CN204964180U/en
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Publication of CN204964180U publication Critical patent/CN204964180U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a shifting fork fatigue testing machine, including the base, be equipped with drive mechanism, accredited testing organization, loading arrestment mechanism and position control mechanism on the base, drive mechanism includes motor, reduction gear, and the motor links to each other with the reduction gear, accredited testing organization comprises transmission case part and shift fork test part, the transmission case part includes synchronous ware, box, and synchronous ware is fixed in the box, and synchronous ware links to each other with the reduction gear, shift fork test part includes declutch shift shaft, control rod, cylinder, crossbeam, and the declutch shift shaft is fixed in the crossbeam lower part, the cylinder is fixed on crossbeam upper portion, and the control rod passes through the sensor to be connected with the cylinder, and the control rod other end is equipped with the finger of shifting, loading arrestment mechanism includes the stopper, and the stopper links to each other with synchronous ware, position control mechanism include Z to and Y adjustment mechanism, the crossbeam is fixed on Z is to adjustment mechanism, Z fixes at Y structurally to adjusting to adjustment mechanism. This machine convenient operation, reliable data, the commonality is good, has reduced research and development cost, promotes the products innovation.

Description

Gear shift fork fatigue tester
Technical field
The utility model relates to automobile variable speed fork detection device, particularly relates to a kind of gear shift fork fatigue property test testing machine.
Background technology
Wheel box is the important gearing in variable-speed operating control system, is widely used in automobile and other machinery, and speed change fork is again one of key components and parts in wheel box.
The existing processing for wheel box complete machine and test comparative maturity, has also developed relevant checkout equipment both at home and abroad; But the torture test separately for gear shift fork in wheel box still lacks ripe checkout equipment.Traditional detection method is: adopt the wheel box complete machine after assembling to test on wheel box testing table, by testing whole wheel box performance simultaneously also indirectly testing shift fork fatigue lifetime.This method, just force the enterprise being engaged in separately shift fork production must be equipped with a whole set of wheel box jack horse test bed, often research and develop a kind of shift fork all to need to buy a whole set of wheel box for bench test simultaneously, this concerning be engaged in merely shift fork research and development and produce enterprise, very inconvenience, high cost, also exists certain wasting of resources simultaneously, thus causes new product development to be under many restrictions.
Summary of the invention
For realizing the independent wearing and tearing anti-fatigue performance test of multi items gear shift fork, reducing R&D costs, increasing enterprise income, the utility model proposes a kind of gear shift fork fatigue property test testing machine.
For this reason, the technical solution of the utility model is: gear shift fork fatigue tester, comprises pedestal, it is characterized in that:
Pedestal is provided with gear train, mechanism for testing, loading arrestment mechanism and position adjusting mechanism, and gear train, mechanism for testing, loading arrestment mechanism are connected in series successively, and position adjusting mechanism correspondence is located at the side of mechanism for testing;
Described gear train comprises motor, speed reduction unit, and speed reduction unit and motor are separately fixed on pedestal, and motor output shaft is connected with reducer input shaft by the first shaft coupling, and reducer output shaft is provided with the second shaft coupling;
Described mechanism for testing is made up of drive housing portion and shift fork part of detecting; Drive housing portion comprises synchronizer, casing, casing is fixed on pedestal, synchronizer is fixed on the bearing seat that is provided with in casing, and the input shaft of synchronizer is connected with the second described shaft coupling by the 3rd shaft coupling, and the output shaft of synchronizer is provided with the 4th shaft coupling; Be provided with lubricating oil in casing, the corresponding synchronizer in casing top is provided with window, makes the fork pin of gear shift fork from casing window through in the annular slot be connected on synchronizer during use; Shift fork part of detecting comprises declutch shift shaft, operating rod, cylinder, crossbeam for supporting gear shift fork, and declutch shift shaft is fixed on crossbeam bottom by support, makes gear shift fork intert on declutch shift shaft during use; Cylinder is fixed on crossbeam top, the piston rod front end of cylinder is provided with sensor, the other end of sensor is connected with operating rod, the other end of operating rod is provided with gearshift and refers to, holding is in the draw-in groove of gear shift fork to make gearshift refer to during use, drives gear shift fork to move back and forth on declutch shift shaft by the motion of cylinder; Whole shift fork part of detecting is connected as a single entity by crossbeam, and the back side of crossbeam is provided with the threaded hole for being connected with position adjusting mechanism;
Described loading arrestment mechanism comprises detent, and detent is fixed on pedestal, and the input shaft of detent is connected with the 4th described shaft coupling by 5-linked axial organ;
Described position adjusting mechanism is by the Z-direction governor motion arranged with horizontal plane and form with the Y-direction adjustment structure that plane-parallel is arranged, Z-direction governor motion comprises vertical guide plate, two vertical line guide rails and vertical ball-screw, vertical ball-screw is fixed on vertical guide plate central authorities, the upper end of vertical ball-screw is provided with Z-direction control hand wheel, two vertical line guide rails are arranged symmetrically in the both sides of vertical ball-screw, the threaded hole for being connected with Y-direction adjustment structure is provided with bottom vertical guide plate, described crossbeam is made to be connected by the nut of screw and vertical ball-screw and two vertical line guide rails during assembling, thus enable crossbeam realize Z-direction position adjustments along with the rotation of vertical ball-screw moves up and down along vertical guide plate, Y-direction adjustment structure comprises horizontal guide plate, two horizontal linear guide rails and horizontal ball-screw, horizontal ball-screw is fixed on horizontal guide plate central authorities, the rear end of horizontal ball-screw is provided with Y-direction control hand wheel, two horizontal linear guide rails are arranged symmetrically in the both sides of horizontal ball-screw, make during assembling to be connected with horizontal ball-screw and two horizontal linear guide rails by screw bottom vertical guide plate, thus enable vertical guide plate realize Y-direction position adjustments along horizontal guide plate is movable along with the rotation of horizontal ball-screw.
One for technique scheme is improved and is: described pedestal is provided with T-slot, to facilitate installation and the adjustment of each parts.
One for technique scheme is improved and is: described motor is variable-frequency motor, to change input speed according to test request when using.
One for technique scheme is improved and is: described sensor is pressure transducer, displacement transducer, counter, can measure during use to the pulling force of joystick driver shift fork, displacement and gearshift cycle index.
Another improvement for technique scheme is: described support is provided with gap sensor, and on described gear shift fork, correspondence is provided with reference block, is measured during test by the fork pin wearing clearance size of gap sensor to gear shift fork.
Further improvement for technique scheme is: be provided with temperature controller in described casing, can carry out Real-Time Monitoring and control to the temperature of lubricating oil in casing when testing, the working environment of real simulation gear shift fork.
Beneficial effect:
The gear shift fork testing machine that the utility model enough becomes complete by arranging gear train, mechanism for testing, loading arrestment mechanism and position adjusting mechanism on pedestal, during use, tested speed change fork is interted and can to vertically move along declutch shift shaft on declutch shift shaft, can be carried out laterally and upper-lower position adjustment tested gear shift fork respectively by position adjusting mechanism simultaneously, make it arrive the position corresponding with synchronizer; Then the arc of tested gear shift fork fork pin is connected in the draw-in groove on synchronizer, simulation gearshift operating mode; After tested gear shift fork mounting and adjusting is good, starter motor, gear train drives synchronizer uniform speed rotation, start cylinder, the to-and-fro movement of air cylinder driven operating rod, operating rod refers to drive tested gear shift fork to move by gearshift, realizes tested gear shift fork simulation gearing movement with this; In process of the test, the sensor that operating rod is arranged can carry out Real-Time Monitoring and record to gear shifting force, gearshift displacement and gearshift cycle index, detent can carry out loading and braking according to the needs of simulated condition simultaneously, final TT&C system draws rubbing wear and the fatigue behaviour of tested gear shift fork, for the research and development of new product provide foundation according to the data analysis of record.This testing machine is easy to operate, data are true and reliable, when changing tested gear shift fork model, only need change the synchronizer matched, application site governor motion regulates correspondence position, can realize the fatigue property test of different model gear shift fork, versatility is good, effectively reduce the R&D costs of new product, add enterprise income, facilitate products innovation.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is vertical view of the present utility model;
Number in the figure is: 1, pedestal; 2, motor; 3, speed reduction unit; 4, the first shaft coupling; 5, the second shaft coupling; 6, synchronizer; 7, casing; 8, bearing seat; 9, the 3rd shaft coupling; 10, the 4th shaft coupling; 11, lubricating oil; 12, window; 13, tested gear shift fork; 14, declutch shift shaft; 15, operating rod; 16, cylinder; 17, crossbeam; 18, support; 19, sensor; 20, gearshift refers to; 21, detent; 22,5-linked axial organ; 23, vertical guide plate; 24, vertical line guide rail; 25, vertical ball-screw; 26, horizontal guide plate; 27, horizontal linear guide rail; 28, horizontal ball-screw; 29, Y-direction control hand wheel; 30, T-slot; 31, gap sensor; 32, reference block; 33, temperature controller.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of gear shift fork fatigue tester, comprises pedestal 1, pedestal 1 is provided with gear train, mechanism for testing, loading arrestment mechanism and position adjusting mechanism, gear train, mechanism for testing, loading arrestment mechanism are connected in series successively, position adjusting mechanism correspondence is located at the side of mechanism for testing, described gear train comprises motor 2, speed reduction unit 3, is separately fixed on pedestal 1, is connected speed reduction unit 3 and motor 2 by the output shaft of motor 2, the output shaft of speed reduction unit 3 is provided with the second shaft coupling 5 by the first shaft coupling 4 with the input shaft of speed reduction unit 3, described mechanism for testing is made up of drive housing portion and shift fork part of detecting, drive housing portion comprises synchronizer 6, casing 7, casing 7 is fixed on pedestal 1, synchronizer 6 is fixed on bearing seat 8 that casing 7 inside is provided with, the input shaft of synchronizer 6 is connected with the second described shaft coupling 5 by the 3rd shaft coupling 9, the output shaft of synchronizer 6 is provided with the 4th shaft coupling 10, fill lubricating oil 11 in the inside of casing 7, at the top of casing 7, corresponding synchronizer 6 is provided with window 12, during use by the fork pin of tested gear shift fork 13 from the window 12 of casing 7 through in the annular slot be connected on synchronizer 6, shift fork part of detecting comprises declutch shift shaft 14, operating rod 15, cylinder 16, crossbeam 17 for supporting tested gear shift fork 13, declutch shift shaft 14 is fixed on the bottom of crossbeam 17 by support 18, interts on declutch shift shaft 14 during use by tested gear shift fork 13, cylinder 16 is fixed on the top of crossbeam 17, sensor 19 is connected with in the piston rod front end of cylinder 16, the other end of sensor is connected with described operating rod 15 right-hand member, be provided with gearshift at the left end of operating rod 15 and refer to 20,20 holdings are in the draw-in groove of tested gear shift fork 13 to make gearshift refer to during use, drive tested gear shift fork 13 to move back and forth on declutch shift shaft 14 by the motion of cylinder 16, during assembling, whole shift fork part of detecting being connected as a single entity by crossbeam 17, being provided with the threaded hole for being connected with position adjusting mechanism at the back side of crossbeam 17, described loading arrestment mechanism comprises detent 21, is fixed on by detent 21 on pedestal 1, is connected by the input shaft of detent 21 by 5-linked axial organ 22 with the 4th described shaft coupling 10, described position adjusting mechanism is by the Z-direction governor motion arranged with horizontal plane and form with the Y-direction adjustment structure that plane-parallel is arranged, Z-direction governor motion comprises vertical guide plate 23, two vertical line guide rails 24, vertical ball-screw 25, vertical ball-screw 25 is fixed on the central authorities of vertical guide plate 23, Z-direction control hand wheel is fixedly connected with by nut in the upper end of vertical ball-screw 25, two vertical line guide rails 24 are arranged symmetrically in the left and right sides of vertical ball-screw 25, and the threaded hole be provided with in the bottom of vertical guide plate 23 for being connected with Y-direction adjustment structure, during assembling, described crossbeam 17 is connected respectively by the nut of screw and vertical ball-screw 25 and two vertical line guide rails 24, by rotating Z-direction control hand wheel during use, thus make crossbeam 17 can realize the adjustment of crossbeam 17 on Z-direction position along with the rotation of vertical ball-screw 25 is carried out moving up and down along vertical guide plate 23 with this, Y-direction adjustment structure comprises horizontal guide plate 26, two horizontal linear guide rails 27, horizontal ball-screw 28, horizontal ball-screw 28 is fixed on the central authorities of horizontal guide plate 26, Y-direction control hand wheel 29 is fixedly connected with by nut in the rear end of horizontal ball-screw 28, two horizontal linear guide rails 27 are arranged symmetrically in the left and right sides of horizontal ball-screw 28, during assembling, described vertical guide plate 23 is connected respectively by the nut of screw and horizontal ball-screw 28 and two horizontal linear guide rails 27, by rotating Y-direction control hand wheel 29 during use, thus make vertical guide plate 23 can carry out movable realizing the adjustment of vertical guide plate 23 on Y-direction position with this along horizontal guide plate 26 along with the rotation of horizontal ball-screw 28.
As shown in Figure 2, described pedestal 1 is provided with T-slot 30, to facilitate installation and the adjustment of each parts.
As shown in Figure 1 and Figure 2, described motor 2 is variable-frequency motor, to change input speed according to test request time easy to use.
As shown in Figure 1, described sensor 19 is pressure transducer, displacement transducer, counter, can measure during use to the pulling force of joystick driver shift fork, displacement and gearshift cycle index.
As shown in Figure 1, described support 18 is provided with gap sensor 31, on described tested gear shift fork 13, correspondence is provided with reference block 32, is measured during test by the fork pin wearing clearance size of gap sensor 31 to tested gear shift fork 13.
As shown in Figure 1, in described casing 7, be provided with temperature controller 33, Real-Time Monitoring and control can be carried out, with the working environment of this real simulation gear shift fork to the temperature of the lubricating oil 11 of casing 7 inside when testing.
The gear shift fork testing machine that the utility model enough becomes complete by arranging gear train, mechanism for testing, loading arrestment mechanism and position adjusting mechanism on pedestal, during use, tested speed change fork to be interted on declutch shift shaft and longitudinally can move back and forth along declutch shift shaft, can be carried out laterally and upper-lower position adjustment tested gear shift fork respectively by position adjusting mechanism simultaneously, make it arrive the position corresponding with synchronizer; Then the arc of tested gear shift fork fork pin is connected in the draw-in groove on synchronizer, simulation gearshift operating mode; After tested gear shift fork mounting and adjusting is good, starter motor, gear train drives synchronizer uniform speed rotation, start cylinder, the to-and-fro movement of air cylinder driven operating rod, operating rod refers to drive tested gear shift fork to move by gearshift, realizes tested gear shift fork simulation gearing movement with this; In process of the test, the sensor that operating rod is arranged can carry out Real-Time Monitoring and record to gear shifting force, gearshift displacement and gearshift cycle index, detent can carry out loading and braking according to the needs of simulated condition simultaneously, final TT&C system draws rubbing wear and the fatigue behaviour of tested gear shift fork, for the research and development of new product provide foundation according to the data analysis of record.This testing machine is easy to operate, data are true and reliable, when tested gear shift fork model changed by needs, only need change the synchronizer matched, application site governor motion regulates correspondence position, can realize the fatigue property test of different model gear shift fork, versatility is good, effectively reduce the R&D costs of new product, add enterprise income, facilitate products innovation.

Claims (6)

1. gear shift fork fatigue tester, comprises pedestal, it is characterized in that:
Pedestal is provided with gear train, mechanism for testing, loading arrestment mechanism and position adjusting mechanism, and gear train, mechanism for testing, loading arrestment mechanism are connected in series successively, and position adjusting mechanism correspondence is located at the side of mechanism for testing;
Described gear train comprises motor, speed reduction unit, and speed reduction unit and motor are separately fixed on pedestal, and motor output shaft is connected with reducer input shaft by the first shaft coupling, and reducer output shaft is provided with the second shaft coupling;
Described mechanism for testing is made up of drive housing portion and shift fork part of detecting; Drive housing portion comprises synchronizer, casing, casing is fixed on pedestal, synchronizer is fixed on the bearing seat that is provided with in casing, and the input shaft of synchronizer is connected with the second described shaft coupling by the 3rd shaft coupling, and the output shaft of synchronizer is provided with the 4th shaft coupling; Be provided with lubricating oil in casing, the corresponding synchronizer in casing top is provided with window, makes the fork pin of gear shift fork from casing window through in the annular slot be connected on synchronizer during use; Shift fork part of detecting comprises declutch shift shaft, operating rod, cylinder, crossbeam for supporting gear shift fork, and declutch shift shaft is fixed on crossbeam bottom by support, makes gear shift fork intert on declutch shift shaft during use; Cylinder is fixed on crossbeam top, the piston rod front end of cylinder is provided with sensor, the other end of sensor is connected with operating rod, the other end of operating rod is provided with gearshift and refers to, holding is in the draw-in groove of gear shift fork to make gearshift refer to during use, drives gear shift fork to move back and forth on declutch shift shaft by the motion of cylinder; Whole shift fork part of detecting is connected as a single entity by crossbeam, and the back side of crossbeam is provided with the threaded hole for being connected with position adjusting mechanism;
Described loading arrestment mechanism comprises detent, and detent is fixed on pedestal, and the input shaft of detent is connected with the 4th described shaft coupling by 5-linked axial organ;
Described position adjusting mechanism is by the Z-direction governor motion arranged with horizontal plane and form with the Y-direction adjustment structure that plane-parallel is arranged, Z-direction governor motion comprises vertical guide plate, two vertical line guide rails and vertical ball-screw, vertical ball-screw is fixed on vertical guide plate central authorities, the upper end of vertical ball-screw is provided with Z-direction control hand wheel, two vertical line guide rails are arranged symmetrically in the both sides of vertical ball-screw, the threaded hole for being connected with Y-direction adjustment structure is provided with bottom vertical guide plate, described crossbeam is made to be connected by the nut of screw and vertical ball-screw and two vertical line guide rails during assembling, thus enable crossbeam realize Z-direction position adjustments along with the rotation of vertical ball-screw moves up and down along vertical guide plate, Y-direction adjustment structure comprises horizontal guide plate, two horizontal linear guide rails and horizontal ball-screw, horizontal ball-screw is fixed on horizontal guide plate central authorities, the rear end of horizontal ball-screw is provided with Y-direction control hand wheel, two horizontal linear guide rails are arranged symmetrically in the both sides of horizontal ball-screw, make during assembling to be connected with horizontal ball-screw and two horizontal linear guide rails by screw bottom vertical guide plate, thus enable vertical guide plate realize Y-direction position adjustments along horizontal guide plate is movable along with the rotation of horizontal ball-screw.
2. gear shift fork fatigue tester according to claim 1, is characterized in that: described pedestal is provided with T-slot, to facilitate installation and the adjustment of each parts.
3. gear shift fork fatigue tester according to claim 1, is characterized in that: described motor is variable-frequency motor, to change input speed according to test request when using.
4. gear shift fork fatigue tester according to claim 1, is characterized in that: described sensor is pressure transducer, displacement transducer, counter, can measure the pulling force of joystick driver shift fork, displacement and gearshift cycle index.
5. gear shift fork fatigue tester according to claim 1, it is characterized in that: described support is provided with gap sensor, on described gear shift fork, correspondence is provided with reference block, is measured during test by the fork pin wearing clearance size of gap sensor to gear shift fork.
6. gear shift fork fatigue tester according to claim 1, is characterized in that: be provided with temperature controller in described casing, can carry out Real-Time Monitoring and control to the temperature of lubricating oil in casing when testing, the working environment of real simulation gear shift fork.
CN201520635782.6U 2015-08-21 2015-08-21 Shifting fork fatigue testing machine Expired - Fee Related CN204964180U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107084840A (en) * 2017-06-21 2017-08-22 赵怡雯 The gear mechanical automatic gearbox gearshift performance testing device of no-clutch two
CN112539261A (en) * 2020-12-09 2021-03-23 江苏新能源汽车研究院有限公司 Synchronizer testing and quick replacing mechanism and replacing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107084840A (en) * 2017-06-21 2017-08-22 赵怡雯 The gear mechanical automatic gearbox gearshift performance testing device of no-clutch two
CN112539261A (en) * 2020-12-09 2021-03-23 江苏新能源汽车研究院有限公司 Synchronizer testing and quick replacing mechanism and replacing method thereof

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160113

Termination date: 20170821