CN216284308U

CN216284308U - Pedal testing rack

Info

Publication number: CN216284308U
Application number: CN202122572679.XU
Authority: CN
Inventors: 王皓; 王明剑; 石正发; 施井才; 鞠亮亮; 董宇; 王凯
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to a pedal test bench which comprises a rack body, a pedal operating mechanism and a plurality of measuring sensors. The pedal to be measured is fixed through the frame body, the pedal control mechanism simulates a person to tread and press down the pedal, and in the process of pressing down the pedal, various numerical values are measured by various measuring sensors. The frame body comprises a base, a pedal mounting frame and an operating mechanism mounting frame. The pedal mounting rack comprises a horizontal slide rail, a vertical slide rail and a pedal mounting module for mounting the pedal. The vertical slide rail is vertically arranged on the horizontal slide rail and can slide along the horizontal slide rail under the action of external force, and the pedal installation module is arranged on the vertical slide rail and can slide along the vertical opposite slide rail under the action of external force and can synchronously follow the vertical slide rail to slide relative to the horizontal slide rail. So, adjust footboard mounted position through founding slide rail and horizontal slide rail, be convenient for expand the test to the footboard of unidimensional not and model.

Description

Pedal testing rack

Technical Field

The utility model relates to the technical field of vehicle part testing, in particular to a pedal testing rack.

Background

With the development of the technical field of vehicles, an electronic accelerator pedal is widely used. Whether the product design of the electronic accelerator pedal or the final evaluation of a real vehicle, the electronic accelerator pedal needs to be tested. The test is carried out in the test run, the vehicle space efficiency is limited to be very low, and different vehicles have space difference, so that the sensor arrangement is influenced, and the consistency of the test result is influenced. Therefore, a special electronic accelerator pedal test bench is produced, the test of the electronic accelerator pedal can be carried out without a real vehicle, and the electronic accelerator pedal test bench is very practical.

However, the conventional electronic accelerator pedal test bench is only suitable for a single type of pedal, but cannot be used for testing electronic accelerator pedals of various sizes and models at the same time, and is not enough in universality.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a pedal test stand which can be applied to pedals of different sizes and models.

A pedal test stand comprising:

the frame body comprises a base, a pedal mounting frame and an operating mechanism mounting frame; the pedal mounting rack comprises a horizontal slide rail, a vertical slide rail and a pedal mounting module for mounting a pedal; the pedal installation module is installed on the vertical slide rail, can slide along the vertical slide rail under the external force, and can synchronously move relative to the horizontal slide rail along with the vertical slide rail; the operating mechanism mounting frame is matched and connected on the base;

the pedal operating mechanism is connected to the operating mechanism mounting frame in a rotatable mode at one end and is controlled to press the pedal downwards; and

and the measuring sensor comprises an angle sensor and a force sensor which are used for respectively detecting the rotation angle and the stress of the pedal in the pressing process.

In one embodiment, the rack body further comprises a horizontal sliding block, and the horizontal sliding block comprises a horizontal block body and a horizontal locking piece arranged on the horizontal block body; the vertical slide rail is arranged on the horizontal slide rail in a sliding and vertical mode through the horizontal slide block and is locked on the horizontal slide rail through the horizontal locking piece; and/or

The pedal installation module comprises a module body and a vertical locking piece arranged on the module body, and the pedal installation module is locked on the vertical sliding rail through the vertical locking piece.

In one embodiment, the angle sensor is mounted at an end of the pedal operating mechanism near the operating mechanism mounting frame, and the rotation axis of the pedal operating mechanism is coincident with the angle sensor measuring axis.

In one embodiment, the operating mechanism mounting frame is provided with a plurality of operating mechanism mounting positions, and one end of the pedal operating mechanism is rotatably mounted in one of the operating mechanism mounting positions.

In one embodiment, the pedal operating mechanism comprises an operating rod and a press piece arranged on the operating rod and used for pressing the pedal, a plurality of press piece mounting positions are arranged on the operating rod, and the press piece is mounted in at least one of the press piece mounting positions.

In one embodiment, the force sensor is disposed between the press member and the pedal.

In one embodiment, the frame further comprises a sensor bracket mounted on the base;

the measuring sensor further comprises a displacement sensor, and the displacement sensor is mounted on the sensor support and used for measuring the displacement of the pedal in the pressing process.

In one embodiment, the sensor support comprises a support rod and a suspension bracket, one end of the support rod is connected to the base in a matching mode, the other end of the support rod is connected to the suspension bracket in a matching mode, the support rod can rotate around the axial direction of the support rod and/or the suspension bracket can rotate around the support rod, a plurality of sensor mounting positions are arranged on the suspension bracket, and the displacement sensors are mounted on at least part of the sensor mounting positions.

In one embodiment, the displacement sensor is a pull rope type displacement sensor, and a pull hook and a pull ring which are matched with each other are respectively arranged on a pull rope of the pull rope type displacement sensor and the force sensor.

In one embodiment, the pedal mounting module is provided with a plurality of pedal mounting holes, and the pedal is fixed on the pedal mounting module through at least part of the pedal mounting holes.

When the pedal test rack is used, a pedal to be tested is mounted on the pedal mounting module, the pedal mounting module slides up and down along the vertical slide rail and synchronously slides along the vertical slide rail relative to the horizontal slide rail, the pedal is adjusted to a proper position, a human is simulated to tread and press down the pedal through the pedal control mechanism, and various numerical values are measured by each measuring sensor in the pedal pressing process. The pedal is installed on the pedal installation module and can slide along the vertical slide rail through the pedal installation module, and simultaneously synchronously slide relative to the horizontal slide rail along the vertical slide rail, so that the installation position of the pedal can be adjusted through the vertical slide rail and the horizontal slide rail, and the pedal expansion test of different sizes and models is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of a pedal test stand according to an embodiment of the present invention;

fig. 2 is a schematic view of another angle of the pedal test stand shown in fig. 1.

100. A pedal test stand; 10. a frame body; 11. a base; 12. a pedal mounting bracket; 121. a horizontal slide rail; 122. erecting a slide rail; 123. a pedal mounting module; 1231. a module body; 1232. a pedal mounting hole; 13. an operating mechanism mounting frame; 14. a horizontal slider; 141. a horizontal block; 142. a horizontal lock; 15. a sensor holder; 151. a support rod; 152. a suspension bracket; 153. a sensor mounting location; 154. a spring; 20. a pedal operating mechanism; 21. an operating mechanism mounting position; 22. a joystick; 23. a push-down member; 24. a lower press mounting location; 25. a handle; 26. a connecting seat; 31. an angle sensor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, a pedal test stand 100 according to an embodiment of the present invention includes a frame 10, a pedal operating mechanism 20, and a plurality of measuring sensors. The pedal (not shown) to be measured is fixed by the frame body 10, and the pedal control mechanism 20 simulates a person to step on and press down the pedal, and during the pressing down process of the pedal, various values are measured by various measuring sensors.

Specifically, the frame 10 includes a base 11, a pedal mounting bracket 12, and an operating mechanism mounting bracket 13. The pedal mounting frame 12 comprises horizontal slide rails 121, vertical slide rails 122 and a pedal mounting module 123 for mounting the pedal. The horizontal slide rail 121 is horizontally attached to the base 11, the vertical slide rail 122 is vertically arranged on the horizontal slide rail 121 and can slide along the horizontal slide rail 121 under the action of an external force, and the pedal installation module 123 is arranged on the vertical slide rail 122 and can slide along the vertical slide rail 122 under the action of an external force and can synchronously follow the vertical slide rail 122 to slide relative to the horizontal slide rail 121.

Therefore, the vertical slide rail 122 can horizontally slide relative to the horizontal slide rail 121, the pedal installation module 123 installed on the vertical slide rail 122 can horizontally move along with the vertical slide rail 122, and can vertically slide relative to the vertical slide rail 122, and the relative position of the pedal installation module 123 can be adjusted during use so as to adapt to pedals with different sizes and models. In addition, an operating mechanism mounting bracket 13 is coupled to the base 11 for fixing the pedal operating mechanism 20.

In this embodiment, the vertical slide rail 122 is vertical to the base 11, i.e. vertical to the horizontal slide rail 121. It is understood that, in other embodiments, the vertical slide rail 122 may be at other angles with the horizontal slide rail 121, and only the pedal having a good installation position and angle is required to be achieved, which is not specifically limited herein.

Further, the frame 10 further includes a horizontal sliding block 14, and the horizontal sliding block 14 includes a horizontal block 141 and a horizontal locking member 142 disposed on the horizontal block 141. The vertical slide rail 122 is vertically arranged on the horizontal slide rail 121 through the horizontal slide block 14 in a sliding manner, and is locked on the horizontal slide rail 121 through the horizontal locking mechanism 142, and/or the pedal installation module 123 comprises a module body 1231 and a vertical locking member (not shown) arranged on the module body 1231, and the pedal installation module 123 is locked on the vertical slide rail 122 through the vertical locking member. Horizontal locking member 142 and vertical locking member ensure that pedal mounting module 123 obtains a stable relative position.

Furthermore, the pedal mounting module 123 is provided with a plurality of pedal mounting holes 1232, and the pedal is fixed on the pedal mounting module 123 through at least some of the pedal mounting holes 1232. The user can change the position and the direction of footboard through changing footboard mounting hole 1232 that fixed footboard used, further increases the controllability of footboard position, strengthens the adaptability of footboard test bench 100.

In some embodiments, the holder 10 further includes a sensor bracket 15, and the sensor bracket 15 is mounted on the base 11.

Specifically, the sensor holder 15 includes a holder rod 151 and a suspension bracket 152, one end of the holder rod 151 is coupled to the base 11, the other end of the holder rod 151 is coupled to the suspension bracket 152, the holder rod 151 can rotate around its own axis and/or the suspension bracket 152 can rotate around the holder rod 151, and the suspension bracket 152 is provided with a plurality of sensor mounting locations 153.

In some embodiments, the pedal operating mechanism 20 is pivotally attached at one end to the operating mechanism mounting bracket 13 and is controlled to depress the pedal. In the process of pedal installation, the position of the pedal installation module 123, and thus the pedal position, is adjusted through the horizontal slide rail 121 and the vertical slide rail 122, so that the axis of the rotation shaft of the pedal coincides with the rotation axis of the pedal operating mechanism 20. The pedal control mechanism 20 is pressed down to simulate stepping on the pedal, so that the problem that the stress point and the angle cannot be controlled when the pedal is directly pressed down by hands or feet is solved.

Furthermore, the operating mechanism mounting frame 13 is provided with a plurality of operating mechanism mounting positions 21, and one end of the pedal operating mechanism 20 is rotatably mounted in one of the operating mechanism mounting positions 21. The replacement operating mechanism mounting position 21 is matched with the pedal position adjustment to ensure that the axis of the rotating shaft of the pedal coincides with the rotating axis of the pedal operating mechanism 20.

Further, the pedal operating mechanism 20 includes an operating lever 22 and a depressing member 23 provided on the operating lever 22 for depressing the pedal. The operating lever 22 is provided with a plurality of lower member mounting locations 24, and the lower member 23 is mounted in at least one of the lower member mounting locations 24. The user can adjust the position of the press member 23 to find a suitable pedal depression to better simulate the pedaling conditions in use.

In this particular embodiment, the pedal operator 20 further includes a handle 25, the handle 25 being disposed at an end of the operating lever 22 remote from the operator mounting bracket 13. The lever 22 is connected to the suspension bracket 152 by a spring 154 at a position near the handle 25, and the spring 154 has a certain limit function when the pedal operating mechanism 20 is not in use, so that the pedal operating mechanism 20 can be maintained at a proper position without affecting the movement of the pedal operating mechanism 20 in use, and the handle 25 is provided to facilitate the pressing operation.

In some embodiments, the measuring sensors include an angle sensor 31 and a force sensor (not shown), which respectively detect the rotation angle and the force applied during the pressing of the pedal.

Further, an angle sensor 31 is installed at one end of the pedal operating mechanism 20 near the operating mechanism mounting bracket 13, and the rotation axis of the pedal operating mechanism 20 coincides with the measurement axis of the angle sensor 31. Therefore, the measuring axis of the angle sensor 31 can be consistent with the pedal rotation axis, the rotation angle of the pedal in the pressing process can be directly measured by the angle sensor 31, and the measured data is accurate.

In this embodiment, the pedal operating mechanism 20 further includes a connecting seat 26 disposed between the operating lever 22 and the operating mechanism mounting bracket 13, and the operating mechanism mounting position 21 is a fixing position of the connecting seat 26. Bolt holes are formed in connecting seat 26, protruding pieces are formed on two sides of one end, close to operating mechanism mounting frame 13, of connecting seat 26, and a row of bolt holes formed in the longitudinal direction of operating mechanism mounting frame 13 and long-strip-shaped through grooves in two sides of the bolt holes are formed in the fixing position of connecting seat 26. When fixing, the lug of connecting seat 26 inserts respectively in the logical groove of both sides, and the bolt hole of connecting seat 26 aligns one bolt hole in the connecting seat 26 fixed position simultaneously, and the rethread bolted connection can. The pedal operating mechanism 20 is connected to the connecting base 26 and can rotate about an axis passing through the connecting base 26, and an angle sensor 31 is mounted on the side of the connecting base 26. The position of the pedal actuator 20 can be changed by changing the mounting position of the coupling seat 26 to which the coupling seat 26 is mounted, which helps to better ensure that the rotational axis of the pedal actuator 20 coincides with the pedal rotation axis.

Further, a force sensor is provided between the pressing member 23 and the pedal for detecting a force applied to the pedal during pressing by the pressing member 23. One side of the force sensor facing the pedal is provided with at least one fixed hook, and the force sensor is fixed on the pedal through the fixed hook. When the press member 23 is pressed down, external force is directly applied to the force sensor, and then the external force is transmitted to the pedal through the force sensor, so that the force sensor can accurately measure the stress condition of the pedal in the pressing process.

In some embodiments, the measurement sensor further comprises a displacement sensor (not shown) mounted on the sensor support 15 for measuring the displacement of the pedal during depression.

Specifically, the displacement sensor is mounted on at least a part of the sensor mounting site 153. The position of the displacement sensor can be adjusted by rotating the bracket rod 151 and/or the suspension bracket 152, and replacing the sensor mounting location 153 to accommodate different sizes and models of pedals, and can be adjusted to the appropriate position by replacing the sensor mounting location 153.

More specifically, the displacement sensor is a pull rope type displacement sensor, and a pull hook and a pull ring which are matched with each other are respectively arranged on a pull rope and a force sensor of the pull rope type displacement sensor. When the pedal is pressed down, the force sensor drives the pull rope to stretch, namely, the displacement sensor records displacement information, and the displacement information is regarded as the displacement of the stressed position of the pedal.

The pedal test bench 100 mounts the pedal to be tested on the pedal mounting module 123, then the pedal mounting module 123 slides up and down along the vertical slide rail 122 and synchronously slides along the vertical slide rail 122 relative to the horizontal slide rail 121 to adjust to a proper position, then the pedal control mechanism 20 simulates a human to step on and press down the pedal, and in the process of pressing down the pedal, each measurement sensor measures each value. Because the footboard is installed on footboard installation module 123 to can follow through footboard installation module 123 and found the slide rail and slide, simultaneously follow in step again and found slide rail 122 and slide relative horizontal slide rail 121, so the accessible is found slide rail 122 and horizontal slide rail 121 and is adjusted the footboard mounted position, is convenient for expand the test to the footboard of different sizes and model. In addition, a connecting wire harness is defined according to pins of a pedal drawing, and the output voltage of the electronic accelerator pedal is obtained through testing. The pressing piece 23 can be pressed down through operation, the trampling position and the trampling force of a driver can be accurately simulated, the test consistency is guaranteed, and the problem that the stress point and the stress angle are inconsistent due to manual or foot operation is effectively avoided. The displacement sensor and the angle sensor 31 test the movement amount of the pedal from two directions of the displacement amount and the rotation angle, the man-machine comfort of a driver is evaluated from multiple angles, the positions of the displacement sensor and the angle sensor 31 can be changed, and the adaptability of the pedal test bench 100 is enhanced from more angles. The device is also provided with a displacement sensor, which records displacement data in the process of pressing down the pedal and increases the evaluation angle, and meanwhile, the displacement sensor can also rotate through the support rod 151 and/or the suspension bracket 152 or change the position of the sensor mounting position 153 to adapt to pedals with different sizes and models. Thus, the pedal test stand 100 is highly versatile and results obtained from testing with it are consistent.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A pedal test stand, comprising:

2. The pedal test stand of claim 1, wherein the frame further comprises a horizontal slider, the horizontal slider comprising a horizontal block and a horizontal lock disposed on the horizontal block; the vertical slide rail is arranged on the horizontal slide rail in a sliding and vertical mode through the horizontal slide block and is locked on the horizontal slide rail through the horizontal locking piece; and/or

3. The pedal test stand of claim 1 wherein the angle sensor is mounted on the pedal operator proximate the operator mounting bracket end and the pedal operator axis of rotation coincides with the angle sensor measurement axis.

4. The pedal test stand of claim 1 wherein the operator mount defines a plurality of operator mounting locations, and wherein one end of the pedal operator is rotatably mounted in one of the operator mounting locations.

5. The pedal test stand according to claim 1, wherein the pedal operating mechanism includes an operating lever and a push-down member provided on the operating lever for pushing down the pedal, the operating lever being provided with a plurality of push-down member mounting locations, the push-down member being mounted in at least one of the push-down member mounting locations.

6. The pedal test stand of claim 5, wherein the force sensor is disposed between the depressor and the pedal.

7. The pedal test stand of claim 1 wherein the shelf further includes a sensor bracket mounted on the base;

8. The pedal test stand according to claim 7, wherein the sensor holder includes a holder rod and a suspension bracket, one end of the holder rod is coupled to the base, the other end of the holder rod is coupled to the suspension bracket, the holder rod is rotatable around its own axis and/or the suspension bracket is rotatable around the holder rod, the suspension bracket is provided with a plurality of sensor mounting locations, and the displacement sensor is mounted on at least a part of the sensor mounting locations.

9. The pedal test stand of claim 8, wherein the displacement sensor is a pull-rope type displacement sensor, and the pull rope of the pull-rope type displacement sensor and the force sensor are respectively provided with one of a pull hook and a pull ring which are matched with each other.

10. The pedal test stand according to claim 1, wherein the pedal mounting module defines a plurality of pedal mounting holes, and the pedal is fixed to the pedal mounting module through at least some of the pedal mounting holes.