CN202648942U - Gear shifting actuator testing system for automatic gearbox - Google Patents
Gear shifting actuator testing system for automatic gearbox Download PDFInfo
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- CN202648942U CN202648942U CN 201220232290 CN201220232290U CN202648942U CN 202648942 U CN202648942 U CN 202648942U CN 201220232290 CN201220232290 CN 201220232290 CN 201220232290 U CN201220232290 U CN 201220232290U CN 202648942 U CN202648942 U CN 202648942U
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- actuating mechanism
- kinematic axis
- pilot system
- supporter
- gear
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Abstract
The utility model discloses a gear shifting actuator testing system for an automatic gearbox, comprising a base, a support body, multi groups of testing units, wherein the support body is connected with the base; the multi groups of testing units are respectively corresponding to each driving device in a gear selecting and shifting actuator; each testing unit comprises an axis of motion and a displacement sensor; the axis of motion penetrates the support body; one end of the axis of motion is fixedly connected with the driving device; the axis of motion is arranged in a load area between the support body and the driving device, and the load area is connected with an elastic structure; and the displacement sensor is fixedly connected with the support body and the axis of motion. The gear shifting actuator testing system for an automatic gearbox can accurately test the response time, the motion range and the magnitude of the force of the gear selecting and shifting actuator testing system, and can provide testing basis for design and optimization of the gear selecting and shifting actuator.
Description
Technical field
The utility model relates to the auto industry technical field, relates in particular to a kind of self-changing gearbox gear-shifting actuating mechanism pilot system.
Background technology
In recent years, the auto industry technical merit develops rapidly, and people improve constantly the requirement of car steering aspect.Traditional mechanical gearbox can not meet the demands.Automatic gear-box is handled simple with it, the characteristics such as system stability just progressively replace mechanical gear box.And gear-shifting actuating mechanism has determined the shift quality of vehicle to a great extent as the core component of automatic gear-box.In the process of development﹠ testing, generally gear-shifting actuating mechanism directly should not be installed to the automobile stand and test, reason have following some: one is that engine bench test is complicated, is not easy to the initial stage debugging; The 2nd, the control function at initial stage is not perfect, easily causes automatic gear-box to be damaged; The 3rd, the automobile horse structure is complicated, is inconvenient to install various displacement transducers, is difficult for the key parameters such as the time of recording, stroke.So the engine bench test to gear-shifting actuating mechanism is very inconvenient.
Although, in the prior art, A/T gear position actuator testing table was disclosed also, in order to gearshift ability and the telecommunications ability of test examination AMT fluid drive gear box actuator.But this testing table can not accurately detect the size of actuator gearshift response time, actuating length and power.Thereby can't realize Performance Evaluation and checking to gear-shifting actuating mechanism, to such an extent as to can not provide test basis for the design and optimization of shift-selecting and changing actuating mechanism.
The utility model content
The purpose of this utility model is to propose a kind of self-changing gearbox gear-shifting actuating mechanism pilot system, with the size of gearshift response time, actuating length and the power of accurate detection gear-shifting actuating mechanism pilot system.
A kind of self-changing gearbox gear-shifting actuating mechanism pilot system of the utility model comprises: base, supporter and organize test unit more.Wherein, supporter is connected in described base; Many group test units are connected in described supporter, respectively with the corresponding connection of each drive unit in the shift-selecting and changing actuating mechanism; And each described test unit comprises kinematic axis and displacement transducer; Described kinematic axis is interspersed in the described supporter, and the one end is fixedly connected with a drive unit of described shift-selecting and changing actuating mechanism; And the part of this kinematic axis between described supporter and described drive unit is loading zone, and described loading zone is connected with flexible member; Described displacement transducer is fixedly connected with described supporter with described kinematic axis.
Preferably, in the above-mentioned pilot system, described displacement transducer comprises shell, connecting portion and displacement portion; Wherein, described shell is fixedly connected with described supporter, and described connecting portion is fixedly connected on described loading zone, and an end of described displacement portion is fixedly connected with described connecting portion, and this displacement portion other end is plugged in the described shell.
Preferably, in the above-mentioned pilot system, in the described kinematic axis, described elastic construction is spring, and described spring housing is connected to the loading zone of described kinematic axis.
Preferably, in the above-mentioned pilot system, in the described kinematic axis loading zone, be positioned at the both sides of described connecting portion, be socketed with respectively spring.
Preferably, in the above-mentioned pilot system, described supporter comprises the first back up pad and the second back up pad that be arranged in parallel.
Preferably, in the above-mentioned pilot system, described connecting portion is annular contiguous block, by bolt removably fixed card be connected to the loading zone of described kinematic axis.
Preferably, in the above-mentioned pilot system, described displacement portion is iron core.
Preferably, in the above-mentioned pilot system, the shift-selecting and changing actuating mechanism that is connected with described base is installed support plate.
Preferably, in the above-mentioned pilot system, the drive unit of described shift-selecting and changing actuating mechanism is: pneumatic means, hydraulic means or electric device.
The utility model is take base as the basis, connect supporter at base, and at the supporter connection test units that comprise kinematic axis and displacement transducer of organizing more, because the kinematic axis of every group of test unit is fixedly connected with specific drive unit in the shift-selecting and changing actuating mechanism with displacement transducer, therefore, power is delivered on the kinematic axis by the drive unit of gear-shifting actuating mechanism, and the elastic force that kinematic axis overcomes spring structure loads action; Simultaneously, connecting portion and the kinematic axis of displacement transducer are synchronized with the movement, and then drive the displacement portion be fixedly connected on the displacement transducer connecting portion and be subjected to displacement in the shell of displacement transducer.Output voltage according to displacement transducer carries out the subsequent analysis processing, draws the parameter that actuating length and gearshift response time etc. characterize the self-changing gearbox gear-shifting actuating mechanism performances.Simultaneously, because the stiffness coefficient of elastic construction is known, the acting force in the time of can calculating by the deformation quantity of elastic construction drive unit action a certain in the shift-selecting and changing actuating mechanism.
In view of this, the utility model can accurately detect the size of gearshift response time, actuating length and the power of gear-shifting actuating mechanism pilot system; And then, for the design and optimization of shift-selecting and changing actuating mechanism provides test basis.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model self-changing gearbox gear-shifting actuating mechanism pilot system preferred embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment; technical scheme among the utility model embodiment is clearly and completely described; obviously; described embodiment only is the utility model part embodiment; rather than whole embodiment; in the situation that do not conflict; embodiment and the feature among the embodiment among the application can make up mutually; and; based on the embodiment in the utility model; those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Before the embodiment to the utility model self-changing gearbox gear-shifting actuating mechanism pilot system is described, at first the drive unit of self-changing gearbox gear-shifting actuating mechanism is done an explanation: generally speaking, that gear-shifting actuating mechanism can be selected is pneumatic, hydraulic pressure, the type of drive such as electronic, such as, if select pneumaticly, then the drive unit of topworks is cylinder; If the selection hydraulic-driven, then the drive unit of topworks is hydraulic cylinder; If select electronicly, then the drive unit of topworks can be motor etc., and the utility model does not limit the type of the drive unit of topworks.Therefore, although among the following embodiment, the drive unit of self-changing gearbox gear-shifting actuating mechanism is cylinder, this only is a kind of application scenario of an embodiment of the present utility model, should not regard as restriction of the present utility model.
With reference to Fig. 1, the present embodiment self-changing gearbox gear-shifting actuating mechanism pilot system comprises base 100, is connected in the supporter on the base 100 and organizes test unit more.Below, supporter and test unit are elaborated respectively.
As can be seen from Figure 1, the supporter in the present embodiment comprises the first back up pad 210 and the second back up pad 220 that be arranged in parallel, and these two back up pads are bolted on the base 100, and its Main Function is that many groups test unit is played a supportive role.
Need to prove, in the present embodiment, although the supporter that provides is to be made of these two back up pads that be arranged in parallel, but the utility model is to shape and the structure of supporter and be not specifically limited, and, even the employing back up pad does not require the quantity of back up pad yet.Select two among this embodiment, be based on supporter and have preferably support strength and the consideration of better simply structure, obviously, three back up pads also can realize the utility model.That is to say, those skilled in the art is predictable, any can be to the passive supporting construction of test unit all within protection domain of the present utility model.
Simultaneously, test unit is the important component part of the utility model self-changing gearbox gear-shifting actuating mechanism pilot system.In the present embodiment, each test unit comprises kinematic axis 300 and displacement transducer, and displacement transducer wherein comprises shell 410, connecting portion 420 and displacement portion 430.Below, the structure of kinematic axis 300 and displacement transducer is described further.
As can be seen from Figure 1, kinematic axis 300 is interspersed in the supporter of the first back up pad 210 and the second back up pad 220 compositions, and an end of kinematic axis 300 is fixedly connected with a cylinder of shift-selecting and changing actuating mechanism; And the part of this kinematic axis 300 between the second back up pad 220 and cylinder is called as loading zone, and this loading zone is connected with elastic construction.
Preferably, as can be seen from Figure 1, in this embodiment, elastic construction is spring.Select the advantage of spring apparent, the acting force in the time of namely can calculating by the deformation quantity of measuring spring 310 the cylinder action of gear-shifting actuating mechanism can be revised rate of loading etc. according to the elasticity coefficient of spring 310.Spring housing in the present embodiment is connected to the loading zone of kinematic axis 300.The connecting portion 420 of spring and displacement transducer passes through bolt-connection with displacement transducer, the cylinder moving process of record gear-shifting actuating mechanism 600.Spring can be changed, and during implementation, can adopt cylindrically coiled spring, and the stiffness coefficient of spring can be selected according to actual conditions, so the present embodiment does not limit spring.Further, in the present embodiment, spring designs in the following manner: the loading zone on the both sides of the connecting portion 420 of displacement transducer respectively is socketed a spring 310, and design is to guarantee that the cylinder of gear-shifting actuating mechanism 600 can realize loading in two kinds of actions of one-in-and-one-out like this.
Displacement transducer is an important ingredient of test unit.In displacement transducer, its shell 410 is fixedly connected with the second back up pad 220 with the first back up pad 210, connecting portion 420 is fixedly connected on the loading zone of kinematic axis 300, and an end of displacement portion 430 is fixedly connected with connecting portion 420, and the other end of this displacement portion 430 is plugged in the shell 410; And what those skilled in the art was known is also to be provided with the position limiting structure (not shown) in the shell 410, for carrying out spacing to displacement portion 430.
Particularly, in the present embodiment, the displacement portion 430 of displacement transducer is iron core, and connecting portion 420 is annular contiguous block, by bolt removably fixed card be connected to the loading zone of kinematic axis 300.And the cylinder of shift-selecting and changing actuating mechanism distributes along crossbeam in the present embodiment, and accordingly, displacement transducer is divided into lateral pickup, and the transversal displacement installation of sensors is on the first back up pad 210 and the second back up pad 220.Sensor outer housing 410 is fixed on the first back up pad 210 and the second back up pad 220 by nut, annular contiguous block as connecting portion 420 is installed on the kinematic axis 300 by bolt, guarantee with gear-shifting actuating mechanism 600 in cylinder and kinematic axis 300 be synchronized with the movement, for detection of parameters such as the moving displacement of cylinder in the gear-shifting actuating mechanism 600 and run durations.
Certainly, in the present embodiment, except iron core can be used as displacement portion, other can be used for realize the structure of the function of iron core, also within protection domain of the present utility model, for example, rod shaped structure.And in the present embodiment, sensor connecting portion 420 adopts annular contiguous block, but in fact, the utility model is not done restriction for the shape of connecting portion 420, and the connecting portion of other shapes is also within protection domain of the present utility model.
Generally speaking, when implementation the utility model, can arrange one support plate 500 is installed, gear-shifting actuating mechanism 600 is installed on gear-shifting actuating mechanism by bolt and installs on the support plate 500, the cylinder of gear-shifting actuating mechanism 600 and kinematic axis 300 are rigidly connected, the cylinder of power by gear-shifting actuating mechanism 600 is delivered on the kinematic axis 300, the spring 310 that is positioned at kinematic axis 300 sensor connecting portions 420 both sides is stressed because of connecting portion 420 motions, realizes the purpose to the cylinder loading of gear-shifting actuating mechanism 600.Regulate the position of connecting portion 420, can change the original state of spring 310, reach the purpose that changes pretightning force.
Can find out from the structure of above-mentioned each test unit, test unit in the present embodiment is corresponding one by one with cylinder in the shift-selecting and changing actuating mechanism, that is to say that the purpose of each test unit is the parameter of the performance of specific drive unit in the test shift-selecting and changing actuating mechanism.In the present embodiment, the detection relational expression of this " corresponding one by one " realized by " specific cylinder is connected with kinematic axis 300; kinematic axis 300 is connected with connecting portion 420, and connecting portion 420 is connected with displacement portion 430, and displacement portion 430 is vertically motion in shell 410 ".
The below is again in conjunction with Fig. 1, and the principle of work of the embodiment of the utility model self-changing gearbox gear-shifting actuating mechanism pilot system is described in further detail.
Gear-shifting actuating mechanism 600 is shifted gears under the control of control system, the corresponding different position of each gear upper cylinder, cylinder can drive kinematic axis 300 actions, corresponding displacement transducer can detect the position of kinematic axis 300, utilize signal acquiring system or control system to gather the output signal of displacement transducer, whether the information that collects is analyzed is the parameters such as correct gear, whole gearshift deadline.Below, the principle of work of the performance parameter of a cylinder of independent detection gear-shifting actuating mechanism 600 is elaborated.
The parameter of each cylinder of gear-shifting actuating mechanism 600 is directly connected to the quality of gearshift, so need to detect separately each cylinder.During work, gear-shifting actuating mechanism is opened the cylinder intake valve that needs test under the effect of control system, cylinder intake promotes the loading action that kinematic axis 300 overcomes spring 310, displacement transducer can be synchronized with the movement with kinematic axis 300, with the output voltage of control system or signal acquiring system recorded bit displacement sensor; Close the inlet open vent valve, cylinder can drive kinematic axis 300 motions, and the speed of motion can change spring 310 or power source according to the needs of test.Output voltage according to displacement transducer carries out the subsequent analysis processing, draws the parameters such as time.Compare with initial design, for the exploitation of gear-shifting actuating mechanism 600 provides accurately and effectively data.Simultaneously, the stiffness coefficient of spring 310 is known, can calculate by the deformation quantity of measuring spring 310 acting force in cylinder when action of gear-shifting actuating mechanism.
This shows, the present embodiment is take base as the basis, connect the supporter that is consisted of by back up pad at base, and at the supporter connection test units that comprise kinematic axis and displacement transducer of organizing more, because the kinematic axis of every group of test unit is fixedly connected with specific cylinder in the shift-selecting and changing actuating mechanism with displacement transducer, therefore, power is delivered on the kinematic axis by the cylinder of gear-shifting actuating mechanism, and the elastic force that kinematic axis overcomes spring structure loads action; Simultaneously, connecting portion and the kinematic axis of displacement transducer are synchronized with the movement, and then drive the displacement portion be fixedly connected on the displacement transducer connecting portion and be subjected to displacement in the shell of displacement transducer.Output voltage according to displacement transducer carries out the subsequent analysis processing, draws the parameter that actuating length and gearshift response time etc. characterize the self-changing gearbox gear-shifting actuating mechanism performances.Simultaneously, because the stiffness coefficient of elastic construction is known, the acting force in the time of can calculating by the deformation quantity of elastic construction drive unit action a certain in the shift-selecting and changing actuating mechanism.
Can be found out by above-mentioned analysis, with respect to prior art, the present embodiment has following advantage:
The first, this experimental system is simple in structure, can record simply and easily the size of gear-shifting actuating mechanism motion response time, actuating length and power, can assess the performance parameter of gear-shifting actuating mechanism and verify according to the parameter that records, for the design and optimization of shift-selecting and changing actuating mechanism provides test basis.
The second, according to the different testing schemes that load of wheel box, the pretightning force that can regulate the pilot system loading spring, the parameters such as gearshift time that can under different pretightning forces, test gear-shifting actuating mechanism.
Three, according to the requirement of the different gearshift of wheel box stroke, can regulate respectively the stroke of test, can finish in same pilot system the test of the gear-shifting actuating mechanism of different model.
Four, can regulate load, particularly, because spring can be changed, can require to change according to difference the spring of different-stiffness coefficient, the parameters such as gearshift time that can in the different loads situation, test gear-shifting actuating mechanism.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a self-changing gearbox gear-shifting actuating mechanism pilot system is characterized in that, comprising:
Base (100);
Supporter is connected in described base (100); And
Many group test units are connected in described supporter, respectively with the corresponding connection of each drive unit in the shift-selecting and changing actuating mechanism; And each described test unit comprises kinematic axis (300) and displacement transducer; Wherein
Described kinematic axis (300) is interspersed in the described supporter, and the one end is fixedly connected with a drive unit of described shift-selecting and changing actuating mechanism; And the part of this kinematic axis (300) between described supporter and described drive unit is loading zone, and described loading zone is connected with flexible member; And
Described displacement transducer is fixedly connected with described supporter with described kinematic axis.
2. pilot system according to claim 1 is characterized in that,
Described displacement transducer comprises shell (410), connecting portion (420) and displacement portion (430); Wherein, described shell (410) is fixedly connected with described supporter, described connecting portion (420) is fixedly connected on described loading zone, and an end of described displacement portion (430) is fixedly connected with described connecting portion (420), and the other end of this displacement portion (430) is plugged in the described shell (410).
3. pilot system according to claim 2 is characterized in that,
In the described kinematic axis (300), described elastic construction is spring, and
Described spring housing is connected to the loading zone of described kinematic axis (300).
4. pilot system according to claim 3 is characterized in that,
In the loading zone of described kinematic axis (300), the both sides that are positioned at described connecting portion (420) are socketed with respectively spring (310).
5. each described pilot system in 4 according to claim 2 is characterized in that,
Described supporter comprises the first back up pad (210) and the second back up pad (220) that be arranged in parallel.
6. pilot system according to claim 5 is characterized in that,
Described connecting portion (420) is annular contiguous block, by bolt removably fixed card be connected to the loading zone of described kinematic axis (300).
7. pilot system according to claim 6 is characterized in that,
Described displacement portion (430) is iron core.
8. pilot system according to claim 7 is characterized in that, also comprise,
The shift-selecting and changing actuating mechanism that is connected with described base (100) is installed support plate (500).
9. pilot system according to claim 1 is characterized in that,
The drive unit of described shift-selecting and changing actuating mechanism is: pneumatic means, hydraulic means or electric device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232290 CN202648942U (en) | 2012-05-22 | 2012-05-22 | Gear shifting actuator testing system for automatic gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232290 CN202648942U (en) | 2012-05-22 | 2012-05-22 | Gear shifting actuator testing system for automatic gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN202648942U true CN202648942U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220232290 Withdrawn - After Issue CN202648942U (en) | 2012-05-22 | 2012-05-22 | Gear shifting actuator testing system for automatic gearbox |
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| CN (1) | CN202648942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692322A (en) * | 2012-05-22 | 2012-09-26 | 索特传动设备有限公司 | Test system for gear shifting actuating mechanism of automatic gearbox |
-
2012
- 2012-05-22 CN CN 201220232290 patent/CN202648942U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692322A (en) * | 2012-05-22 | 2012-09-26 | 索特传动设备有限公司 | Test system for gear shifting actuating mechanism of automatic gearbox |
| CN102692322B (en) * | 2012-05-22 | 2014-10-15 | 索特传动设备有限公司 | Test system for gear shifting actuating mechanism of automatic gearbox |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20141015 |
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| RGAV | Abandon patent right to avoid regrant |