CN202330014U - Gearshift mechanism of on-line loading test bed for manual speed changing box - Google Patents
Gearshift mechanism of on-line loading test bed for manual speed changing box Download PDFInfo
- Publication number
- CN202330014U CN202330014U CN 201120483596 CN201120483596U CN202330014U CN 202330014 U CN202330014 U CN 202330014U CN 201120483596 CN201120483596 CN 201120483596 CN 201120483596 U CN201120483596 U CN 201120483596U CN 202330014 U CN202330014 U CN 202330014U
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- gearshift
- unit
- gear shift
- screw
- servomotor
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Abstract
The utility model discloses a gearshift mechanism of an on-line loading test bed for a manual speed changing box. The gearshift mechanism is characterized in that a gear selection unit is arranged, so that a gear selection servo motor drives a screw rod sliding table to slide along an axis direction of a ball screw; a gearshift unit is arranged, so that a gearshift servo motor drives a gearshift deflector rod to rotate a set angle through a transmission shaft; the transmission shaft in the gearshift unit and the ball screw in the gear selection unit are positioned in the same axis direction; the gearshift unit is supported by a gearshift unit supporting plate; the gearshift unit supporting plate is fixedly connected with the screw rod sliding table; and the screw rod sliding table drives the gearshift unit to slide in the axis direction of the ball screw. The gearshift mechanism has the advantages of a simple structure, high control precision and accurate and reliable action, and the automatic gearshift of the manual speed changing box can be realized.
Description
Technical field
The utility model relates to a kind of rig for testing, more specifically says so to be applied in the self shifter mechanism on the manual transmission on-line loaded testing table.
Background technology
Wheel box is a core component in the vehicle transmission system, and its safe reliability is directly connected to occupant's the security of the lives and property, and for this reason, wheel box need be in the defective of investigating the potential assembling manufacturing of its possibility and designing through test on the test-bed before dispatching from the factory.
At present, the automaticity of manual transmission test-bed is lower, is the manual operations that relies on the workman in the traditional mode of production, and for the gear shift operation that requires continuous 20-40 ten thousand times in the gearbox fatigue life experiment, manual work wastes time and energy; Moreover, the mode of artificial gearshift can't detect for the dynamics and the displacement of gearshift, and the initial moment of gearshift also is difficult to measure with stopping the moment, and this form has had a strong impact on the accurate judgement to the performance of gearshift.
Existing gearshift mechanical arm majority is the mode that has adopted pneumatic or hydraulic pressure, can realize the gear shift operation of simple stroke, but topworks's complex structure, difficult in maintenance; The mechanical arm bearing accuracy is not high, gearshift is flexible not high, in case wheel box stroke or gear change, topworks needs design again, and versatility is poor; Because can't accomplish the collection of data makes and to be difficult to realize to by the accurate judgement of test specimen performance.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, a kind of simple, effective manual transmission on-line loaded testing table gearshift being provided.
The utility model adopts following technical scheme for the technical solution problem:
The design feature of the utility model manual transmission on-line loaded testing table gearshift is that a block selecting unit is set, and is to drive the leading screw slide unit along sliding on the axis direction of ball-screw with the block selecting servomotor; One gear shift unit is to drive the angle that the gearshift shifting block turns over setting with the gearshift servomotor through transmission shaft; The transmission shaft that is provided with in the said gear shift unit is on the identical axis direction with ball-screw in the said block selecting unit; Said gear shift unit is to be supported by the gear shift unit back up pad, and said gear shift unit back up pad and said leading screw slide unit connect firmly, and drives said gear shift unit along sliding on the axis direction of ball-screw by the leading screw slide unit.
The design feature of the utility model manual transmission on-line loaded testing table gearshift also is:
The structure of said block selecting unit is set to: on pedestal, fixedly install said block selecting servomotor; The block selecting servomotor joins through first shaft coupling and ballscrew shaft; The leading screw slide unit connects firmly through nut support and feed screw nut, said feed screw nut and ball screw threaded engagement;
The structure of said gear shift unit is set to: with said gearshift servomotor direct connection reductor; Said reductor joins through second shaft coupling and torque sensor axis; Said torque sensor is through the 3rd shaft coupling and transmission shafts couplet, at the axle head of said transmission shaft the gearshift shifting block is set.
On said pedestal, line slideway is set, the slide block and the said leading screw slide unit that are equipped with line slideway connect firmly, and are made up of the guiding mechanism of leading screw slide unit line slideway and slide block.
Compared with present technology, the utility model beneficial effect is embodied in:
1, the utility model is simple in structure, control accuracy is high, and proper is reliable, can realize the self shifter of manual transmission.
2, the utility model is to constitute with block selecting unit and gear shift unit; It has a style of one's own, compact conformation, does not interfere with other parts of test-bed, is directly installed on through pedestal on the gearshift support of testing table; With gearshift support pin location, the integral installation dismounting is very convenient.
3, the utility model adopts the block selecting servomotor to drive ball-screw and realizes required the moving up and down of block selecting, and it is located accurately, can be applicable to the manual transmission with different gearshift strokes.
4, improve its versatility through changing the gearshift shifting block in the utility model, thereby reduced use cost.
5, the utility model is stable, long service life, and noise is little, adopts driven by power, and power source is pollution-free, easy to maintenance.
6, the utility model directly detects gearshift moment through torque sensor is set, for experiment provides reference data.
7, the utility model can be through being provided with the connected mode of swelling cover between each shaft coupling and axle, makes dismounting convenient and have overload protective function concurrently.
8, the utility model can be realized the adjustable of gearshift dynamics and shift speed through the electrical control of gearshift servomotor and stepper motor, is adapted to different test demands.
Description of drawings
Fig. 1 is the utility model external structure synoptic diagram;
Fig. 2 is the utility model inner structure synoptic diagram;
Label among the figure: 1 block selecting servomotor; 2 motor mounts; 3 pedestals; 4a ball-screw, 4b feed screw nut; 5 line slideways, 6 slide blocks, 7 leading screw slide units; 8 gear shift unit back up pads; 9 gearshift servomotors; 10 reductors; 11 torque sensor supports; 12 second shaft couplings; 13 torque sensors; Fast, 18 first shaft couplings are pulled out in 14 the 3rd shaft couplings, 15 bearing seats, 16 gas pawl shells, 17 gearshifts; 19 nut supports; 20 gas pawls; 21 clamp jaws; 22 adjustment pads; 23 with snap ring, 24 angular contact bearings, 25 bearing spacers, 26 transmission shafts; 27 bearing seat upper end covers, 28 bearing seat bottom end covers.
Embodiment
Referring to Fig. 1, Fig. 2, be provided with in the manual transmission on-line loaded testing table gearshift in the present embodiment:
The block selecting unit; Be on pedestal 3, to fixedly install block selecting servomotor 1 through motor mount 2; Block selecting servomotor 1 joins through first shaft coupling 18 and ball-screw 4a axle; Leading screw slide unit 7 connects firmly with feed screw nut 4b through nut support 19, feed screw nut 4b and ball screw 4a threaded engagement, with block selecting servomotor 1 drive leading screw slide unit 7 along sliding on the axis direction of ball-screw 4a;
Gear shift unit; Be with gearshift servomotor 9 direct connection reductors 10; Reductor 10 is through second shaft coupling 12 and 13 couplet of torque sensor; Torque sensor 13 is through the 3rd shaft coupling 14 and 26 couplet of transmission shaft, at the axle head of transmission shaft 26 the gearshift shifting block is set, and drives the angle that the gearshift shifting blocks turn over setting with gearshift servomotor 9 through transmission shaft 26;
The transmission shaft 26 that is provided with in the gear shift unit is on the identical axis direction with ball-screw 4a in the block selecting unit; Gear shift unit is to support with the gear shift unit back up pad 8 that connects firmly on torque sensor support 11, and gear shift unit back up pad 8 connects firmly with leading screw slide unit 7, drives gear shift units along sliding on the axis direction of ball-screw 4a by leading screw slide unit 7.
In the practical implementation, the corresponding structure setting also comprises:
In gear shift unit, reductor 10 plays to slow down and increases the effect of turning round, and the moment of torsion that gearshift servomotor 9 is delivered on the gearshift shifting block increases exponentially, and torque sensor 13 is used for gathering the gearshift power of shift process; Transmission shaft 26 is fixedly installed by bearing seat 15, bearing seat upper end cover 27 and bearing seat bottom end cover 28, through the end play of bearing spacer 25 adjustment bearings, uses axle with snap ring 23 and adjust pad 22 and adjust being connected of transmission shaft 26 and angular contact bearing 24.
The gearshift shifting block adopts the gas pawl of conventional structure form; Gas pawl 20 drive clamp jaws 21 by being arranged in the gas pawl shell 16 are used for clamping choosing gearshift axle, and the shifting block 17 of shifting gears is together to rotate with gas pawl shell 16 on gas pawl shell 16 through screw retention, and gas pawl 20 is fixed in the gas pawl shell 16; By gas pawl clamping work pieces axle; The shifting block 17 of shifting gears simultaneously is stuck on the gearbox selector gear arm, rotates simultaneously with gas pawl 20, stirs gearshift;
Manual transmission is on three, the four retaining neutral gear positions in the assembling completion, and choosing gearshift experiment can be carried out according to experiment process according to the following steps in proper order, also can select the gearshift experiment according to specified order
The first step: block selecting servomotor 1 is just changeing and drives whole gear shift unit through ball-screw and move downward, and is coupling with the choosing gearshift up to the gearshift shifting block and touches; Gas pawl 20 feeds gas drive clamp jaw 21 and clamps choosing gearshift axle; Block selecting servomotor 1 is just changeing and continue to drive gear shift unit and move downward then, and the shifting block of shifting gears this moment has been caught choosing gearshift axle, and therefore choosing gearshift axle is depressed up to one, two retaining neutral positions; Accomplish one, two retaining block selecting operations.
Second step: gearshift servomotor 9 is just changeing and is driving the rotation of gearshift shifting block, and this moment, clamp jaw 21 still clamped choosing gearshift axle, and choosing gearshift axle is together just changeing an angle and hanging up a retaining, i.e. a retaining gearshift completion; Gas pawl 20 unclamps clamp jaw 21, and 1 counter-rotating of block selecting servomotor drives the gear shift unit rising and returns original position; After one retaining test was accomplished, block selecting servomotor 1 was just changeing, and gearshift descends until gearshift shifting block contact choosing gearshift axle; Gas pawl 20 feeds gas and drives clamp jaw 21 clamping choosing gearshift axles; The counter-rotating of gearshift servomotor 9, the choosing gearshift axle angle of together reversing hangs up two retainings, i.e. two retaining gearshifts are accomplished; 20 air inlets of gas pawl, clamp jaw 21 unclamps, and 1 counter-rotating of block selecting servomotor drives the gearshift rising and returns original position; After two retaining tests were accomplished, block selecting servomotor 1 was just changeing, and gear shift unit descends until gearshift shifting block contact choosing gearshift axle, and 20 air inlets of gas pawl drive clamp jaw 21 and clamp choosing gearshift axle, and gearshift servomotor 9 is just changeing and drives choosing gearshift axle and arrive one, two retaining neutral positions.
The 3rd step: 1 counter-rotating of block selecting servomotor is lifted to three, four retaining neutral positions with gear shift unit and choosing gearshift axle, accomplishes the gearshift test of three, four retainings by the 2nd step.
The 4th step: by the 3rd step accomplish five, the gearshift test of R retaining.
The 5th step: after choosing gearshift experiment was accomplished, gas pawl 20 fed gas, made clamp jaw 21 unclamp choosing gearshift axle, and 1 counter-rotating of block selecting servomotor drives gear shift unit and rises to assigned address.
Claims (3)
1. manual transmission on-line loaded testing table gearshift is characterized in that being provided with a block selecting unit, is to drive leading screw slide unit (7) along sliding on the axis direction of ball-screw (4a) with block selecting servomotor (1); One gear shift unit is to drive the angle that the gearshift shifting block turns over setting with gearshift servomotor (9) through transmission shaft (26); The transmission shaft (26) that is provided with in the said gear shift unit is on the identical axis direction with ball-screw (4a) in the said block selecting unit; Said gear shift unit is to be supported by gear shift unit back up pad (8), and said gear shift unit back up pad (8) connects firmly with said leading screw slide unit (7), drives said gear shift unit along sliding on the axis direction of ball-screw (4a) by leading screw slide unit (7).
2. manual transmission on-line loaded testing table gearshift according to claim 1 is characterized in that:
The structure of said block selecting unit is set to: on pedestal (3), fixedly install said block selecting servomotor (1); Block selecting servomotor (1) joins through first shaft coupling (18) and ball-screw (4a) axle; Leading screw slide unit (7) connects firmly through nut support (19) and feed screw nut (4b), said feed screw nut (4b) and ball screw (4a) threaded engagement;
The structure of said gear shift unit is set to: with said gearshift servomotor (9) direct connection reductor (10); Said reductor (10) joins through second shaft coupling (12) and torque sensor (13) axle; Said torque sensor (13) joins through the 3rd shaft coupling (14) and transmission shaft (26) axle, at the axle head of said transmission shaft (26) the gearshift shifting block is set.
3. manual transmission on-line loaded testing table gearshift according to claim 2; It is characterized in that on said pedestal (3), being provided with line slideway (5); The slide block (6) that is equipped with line slideway (5) connects firmly with said leading screw slide unit (7), is made up of the guiding mechanism of leading screw slide unit (7) line slideway (5) and slide block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120483596 CN202330014U (en) | 2011-11-29 | 2011-11-29 | Gearshift mechanism of on-line loading test bed for manual speed changing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120483596 CN202330014U (en) | 2011-11-29 | 2011-11-29 | Gearshift mechanism of on-line loading test bed for manual speed changing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330014U true CN202330014U (en) | 2012-07-11 |
Family
ID=46441992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120483596 Withdrawn - After Issue CN202330014U (en) | 2011-11-29 | 2011-11-29 | Gearshift mechanism of on-line loading test bed for manual speed changing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384845A (en) * | 2011-11-29 | 2012-03-21 | 安徽巨一自动化装备有限公司 | On-line loading test stand shift mechanism of manual transmission |
| CN102967460A (en) * | 2012-12-13 | 2013-03-13 | 重庆理工大学 | Gear-selecting and shifting performance automatic testing device and method |
-
2011
- 2011-11-29 CN CN 201120483596 patent/CN202330014U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384845A (en) * | 2011-11-29 | 2012-03-21 | 安徽巨一自动化装备有限公司 | On-line loading test stand shift mechanism of manual transmission |
| CN102967460A (en) * | 2012-12-13 | 2013-03-13 | 重庆理工大学 | Gear-selecting and shifting performance automatic testing device and method |
| CN102967460B (en) * | 2012-12-13 | 2014-12-10 | 重庆理工大学 | Gear-selecting and shifting performance automatic testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20131106 |
|
| RGAV | Abandon patent right to avoid regrant |