CN210487240U - Automobile pedal assembly detection equipment - Google Patents
Automobile pedal assembly detection equipment Download PDFInfo
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- CN210487240U CN210487240U CN201921078082.6U CN201921078082U CN210487240U CN 210487240 U CN210487240 U CN 210487240U CN 201921078082 U CN201921078082 U CN 201921078082U CN 210487240 U CN210487240 U CN 210487240U
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Abstract
The utility model provides an automobile pedal assembly check out test set, it includes: a first pedal assembly securing mechanism; a second pedal assembly fixing mechanism; the first displacement detection mechanism is positioned at the front part of the first pedal assembly fixing mechanism and is detachably connected with the first pedal assembly fixing mechanism; the second displacement detection mechanism is positioned on the side part of the first pedal assembly fixing mechanism and is detachably connected with the first pedal assembly fixing mechanism; the torque detection mechanism is arranged at the front part of the second displacement detection mechanism; and the control mechanism is electrically connected with the first displacement detection mechanism and the second displacement detection mechanism. The utility model discloses can solve among the prior art automobile pedal assembly check out test set exist degree of automation not high, can not compromise the shortcoming that a plurality of test items and structure are complicated simultaneously.
Description
Technical Field
The utility model relates to a check out test set technical field especially relates to an automobile pedal assembly check out test set.
Background
The automobile pedal needs to be detected before leaving the factory so as to ensure the factory quality of the product. At present, the existing automobile industry standard QC/T788 specifies an automobile pedal performance test project and a bench test method, the structure of a bench is not specified, the structures of pedal test equipment used in the industry are different, most equipment cannot give consideration to longitudinal displacement, lateral displacement, strength, rigidity, torsion resistance and durability test projects specified by QC/T788, and the defects that the automation degree is low, multiple test projects cannot be given consideration to simultaneously, and the structure is complex exist, so that the popularization is not convenient.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims to provide an automobile pedal assembly check out test set to solve among the prior art automobile pedal assembly check out test set exist degree of automation not high, can not compromise a plurality of test items and the complicated shortcoming of structure simultaneously.
The technical scheme of the utility model is that: an automobile pedal assembly detection apparatus, comprising:
a first pedal assembly fixing mechanism for fixing the pedal assembly;
the second pedal assembly fixing mechanism is used for fixing the pedal assembly;
the first displacement detection mechanism is positioned at the front part of the first pedal assembly fixing mechanism and is detachably connected with the first pedal assembly fixing mechanism, and the first displacement detection mechanism is used for detecting the longitudinal displacement of the pedal assembly arranged on the first pedal assembly fixing mechanism;
the second displacement detection mechanism is positioned on the side part of the first pedal assembly fixing mechanism and is detachably connected with the first pedal assembly fixing mechanism, and the second displacement detection mechanism is used for detecting the lateral displacement of the pedal assembly arranged on the first pedal assembly fixing mechanism;
the torque detection mechanism is arranged at the front part of the second displacement detection mechanism and is used for detecting the torsion resistance of the pedal assembly arranged on the second pedal assembly fixing mechanism;
and the control mechanisms are connected with the first displacement detection mechanism and the second displacement detection mechanism.
Optionally, the first pedal assembly fixing mechanism includes a first fixing seat and a second fixing seat, one end of the pedal assembly is detachably mounted on the first fixing seat, and the other end of the pedal assembly is clamped on the second fixing seat.
Optionally, the first displacement detecting mechanism includes a first driving device for driving the pedal assembly disposed on the first pedal assembly fixing mechanism to move longitudinally, a first sensing portion for detecting a force of an output shaft of the first driving device, and a second sensing portion for detecting a displacement of the output shaft of the first driving device, where the first driving device is directly opposite to a front portion of the first pedal assembly fixing mechanism;
the output shaft of the first driving device is detachably connected with the first pedal assembly fixing mechanism, the first sensing part is arranged on the output shaft of the first driving device, and the second sensing part is arranged on the output shaft of the first driving device.
Optionally, the second displacement detecting mechanism includes a second driving device for driving the pedal assembly disposed on the first pedal assembly fixing mechanism to move laterally, a third sensing portion for detecting a magnitude of a force of an output shaft of the second driving device, and a fourth sensing portion for detecting a magnitude of a displacement of an output shaft of the second driving device, the second driving device faces a side portion of the first pedal assembly fixing mechanism, the output shaft of the second driving device is detachably connected to the first pedal assembly fixing mechanism, the third sensing portion is disposed on the output shaft of the second driving device, and the fourth sensing portion is disposed on the output shaft of the second driving device.
Optionally, the detection device for the automobile pedal assembly of the present invention further includes a swing mechanism, the swing mechanism includes two swing arms, a connecting rod, a connecting block and a pushing portion, the two swing arms are symmetrically and rotatably connected to two sides of the first fixing seat, two ends of the connecting rod are respectively fixed to the two swing arms, the connecting block is rotatably connected to the connecting rod, the pushing portion is fixed to the first fixing seat, and the pushing portion is connected to the pedal assembly;
the first displacement detection mechanism comprises a third driving device for driving the connecting block to longitudinally move, a fifth sensing part for detecting the force acting on the second fixed seat and a sixth sensing part for detecting the displacement of an output shaft of the third driving device, and the third driving device is right opposite to the front part of the first pedal assembly fixing mechanism;
an output shaft of the third driving device is connected with the connecting block, one end of the fifth sensing part is connected with the connecting rod in a spherical hinge mode, and the other end of the fifth sensing part is connected with the second fixing seat in a spherical hinge mode.
Optionally, the first displacement detection mechanism further includes a third fixing seat and a first elastic suspension assembly for preventing the first driving device from descending, the first driving device is obliquely arranged on the third fixing seat, and the top end and the bottom end of the first elastic suspension assembly are respectively connected with the third fixing seat and the first driving device.
Optionally, the second displacement detection mechanism further includes a fourth fixing seat and a second elastic suspension assembly for horizontally placing the second driving device, the second driving device is detachably connected to the fourth fixing seat, and the bottom end of the second elastic suspension assembly is connected to the second driving device.
Optionally, the first displacement detection mechanism further includes a fifth fixing seat and a third elastic suspension assembly for preventing the third driving device from descending, the third driving device is obliquely arranged on the fifth fixing seat, and the top end and the bottom end of the third elastic suspension assembly are respectively connected with the fifth fixing seat and the third driving device.
Optionally, the second pedal assembly fixing mechanism is an eighth fixing base, the torque detection mechanism includes a sixth fixing base, a seventh fixing base, a force arm, an anti-torque pull rod and a loading force adjustment component, the anti-torque pull rod is rotatably connected to the seventh fixing base, two ends of the anti-torque pull rod are respectively connected to the sixth fixing base and the force arm, two ends of the pedal assembly are respectively fixed to the fifth fixing base and the sixth fixing base, the force arm is vertically connected to the anti-torque pull rod, the loading force adjustment component is connected to the force arm, and the loading force adjustment component is located below the force arm.
Optionally, the control mechanism includes a central controller and an air pressure adjusting system, the air pressure adjusting system includes an air supply unit and two air paths connected in parallel, one of the air paths is communicated with the first displacement detection mechanism, and the other air path is communicated with the second displacement detection mechanism.
Implement the embodiment of the utility model provides a, following beneficial effect has:
the utility model discloses an automobile pedal assembly detection equipment, through setting up first displacement detection mechanism, when the measurement personnel fixed the footboard assembly in first footboard assembly fixed establishment, because first displacement detection mechanism is located the front portion of first footboard assembly fixed establishment, therefore, first displacement detection mechanism can detect the size of the longitudinal displacement of the footboard assembly of locating first footboard assembly fixed establishment, measurement personnel can carry out the longitudinal displacement detection, rigidity detection and the intensity detection of automobile pedal assembly according to the size of the longitudinal displacement that detects;
by arranging the second displacement detection mechanism, when a detection person fixes the pedal assembly on the first pedal assembly fixing mechanism, the second displacement detection mechanism is positioned at the side part of the first pedal assembly fixing mechanism, so that the second displacement detection mechanism can detect the lateral displacement of the pedal assembly arranged on the first pedal assembly fixing mechanism, and the detection person can detect the lateral displacement of the automobile pedal assembly according to the detected lateral displacement;
by arranging the torque detection mechanism, when a detector fixes the pedal assembly on the second pedal assembly fixing mechanism, the torque detection mechanism can drive the pedal assembly arranged on the second pedal assembly fixing mechanism to twist, so that the damage of the pedal assembly can be judged, and the torsion resistance of the pedal assembly can be conveniently detected;
by arranging the control mechanism, the control mechanism can control the working states of the first displacement detection mechanism and the second displacement detection mechanism, so that the longitudinal displacement detection process, the rigidity detection process, the strength detection process and the lateral displacement monitoring process are facilitated;
to sum up, the utility model discloses a car footboard assembly check out test set has degree of automation height, simple structure and can compromise the advantage of a plurality of detection projects simultaneously to certain popularization nature has.
Drawings
Fig. 1 is the utility model discloses a structural schematic diagram of automobile pedal assembly check out test set when carrying out longitudinal displacement detection, lateral displacement detection, rigidity detection, intensity detection and antitorque property detection.
Fig. 2 is the utility model discloses a first displacement detection mechanism is carrying out longitudinal displacement and detecting, rigidity detection, intensity detection and durability performance detection time measuring and the connection structure sketch of first fixing base.
Fig. 3 is a schematic view of the connection structure between the second displacement detecting mechanism and the first fixing seat when the lateral displacement detection is performed.
Fig. 4 is a schematic view of the connection structure of the torque detection mechanism and the second pedal assembly fixing mechanism of the present invention.
Fig. 5 is the structure diagram of the detection device for automobile pedal assembly of the present invention when detecting durability and torsion resistance.
Fig. 6 is a schematic view of a connection structure of the first displacement detecting mechanism and the swing mechanism according to the present invention.
Fig. 7 is a schematic view of a connection structure between the swing mechanism and the pedal assembly of the present invention.
Fig. 8 is a schematic diagram of the gas circuit of the air pressure adjusting system of the present invention.
Description of reference numerals:
1. a first pedal assembly securing mechanism; 11a, a first fixed seat; 11aa, a pedal connecting block; 11ab, mount pad; 12a, a second fixed seat; 2. a second pedal assembly fixing mechanism; 3. a first driving device; 4. a first sensing part; 5. a second displacement detection mechanism; 51. a second driving device; 52. a third sensing part; 53. a fourth sensing part; 54. a fourth fixed seat; 55. a second resilient suspension assembly; 551. a second fixing plate; 552. a second lead screw; 553. a second elastic member 6, a third driving device; 7. a fifth sensing part; 8. a third fixed seat; 9. a first resilient suspension assembly; 91. a first fixing plate; 92. a first lead screw; 93. a first elastic member; 10. a swing mechanism; 101a, a swing arm; 102a, a connecting rod; 103a, connecting blocks; 104a, a pushing part; 1041a, a rotating shaft; 1042a, a spring; 1043a, a fastener; 1044a, a push rod; 1045a, a pedal arm connecting seat; 11. a torque detection mechanism; 111a, a sixth fixed seat; 112a and a seventh fixed seat; 113a, a moment arm; 114a, torsion resistant tie rods; 115a, a loading force adjusting assembly; 12. an air pressure regulating system; 122. a proportional valve; 123. a diverter valve; 124. a speed regulating valve; 13. a frame; 14. an electric appliance cabinet; 15. a rotating shaft fixing seat; 16. a second sensing part; 17. a sixth sensing part; 18. a pedal arm support; 19. a fifth fixed seat; 20. a third resilient suspension assembly; 201. a third fixing plate; 202. a third screw rod; 203. and a third elastic member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in FIGS. 1-8, the embodiment of the utility model provides an automobile pedal assembly check out test set, it includes:
a first pedal assembly fixing mechanism 1 for fixing a pedal assembly;
a second pedal assembly fixing mechanism 2 for fixing the pedal assembly;
the first displacement detection mechanism is positioned at the front part of the first pedal assembly fixing mechanism 1 and is detachably connected with the first pedal assembly fixing mechanism 1, and the first displacement detection mechanism is used for detecting the longitudinal displacement of a pedal assembly arranged on the first pedal assembly fixing mechanism 1;
the second displacement detection mechanism 5 is positioned on the side part of the first pedal assembly fixing mechanism 1, the second displacement detection mechanism 5 is detachably connected with the first pedal assembly fixing mechanism 1, and the second displacement detection mechanism 5 is used for detecting the lateral displacement of a pedal assembly arranged on the first pedal assembly fixing mechanism 1;
the torque detection mechanism 11 is arranged at the front part of the second displacement detection mechanism 5, and the torque detection mechanism 11 is used for detecting the torsion resistance of the pedal assembly arranged on the second pedal assembly fixing mechanism 2;
and the control mechanisms are connected with the first displacement detection mechanism and the second displacement detection mechanism 5.
Based on the above arrangement, the utility model discloses an automobile pedal assembly detection device, through setting up first displacement detection mechanism, when the measurement personnel fixed the pedal assembly in first pedal assembly fixed establishment 1, because first displacement detection mechanism is located the front portion of first pedal assembly fixed establishment 1, therefore, first displacement detection mechanism can detect the size of the longitudinal displacement of the pedal assembly that locates first pedal assembly fixed establishment 1, measurement personnel can carry out the longitudinal displacement detection, rigidity detection and the intensity detection of automobile pedal assembly according to the size of the longitudinal displacement that detects;
by arranging the second displacement detection mechanism 5, when a detection person fixes the pedal assembly on the first pedal assembly fixing mechanism 1, the second displacement detection mechanism 5 is positioned at the side part of the first pedal assembly fixing mechanism 1, so that the second displacement detection mechanism 5 can detect the lateral displacement of the pedal assembly arranged on the first pedal assembly fixing mechanism 1, and the detection person can detect the lateral displacement of the automobile pedal assembly according to the detected lateral displacement;
by arranging the torque detection mechanism 11, when a tester fixes the pedal assembly on the second pedal assembly fixing mechanism 2, the torque detection mechanism 11 can drive the pedal assembly arranged on the second pedal assembly fixing mechanism 2 to twist, so that the damage of the pedal assembly can be judged, and the torsional resistance of the pedal assembly can be conveniently detected;
by arranging the control mechanism, the control mechanism can control the working states of the first displacement detection mechanism and the second displacement detection mechanism 5, so that the longitudinal displacement detection process, the rigidity detection process, the strength detection process and the lateral displacement monitoring process are facilitated;
therefore, the utility model discloses an automobile pedal assembly check out test set has degree of automation height, simple structure and can compromise the advantage of a plurality of detection projects simultaneously to certain popularization nature has.
In this embodiment, as shown in fig. 1 to 4, in order to facilitate the fixing of the first pedal assembly fixing mechanism 1 to the pedal assembly, the pedal assembly includes a pedal arm, a pedal and a pedal base, the pedal arm is rotatably connected to the pedal base, the first pedal assembly fixing mechanism 1 includes a first fixing seat 11a and a second fixing seat 12a, the pedal base is detachably mounted on the first fixing seat 11a, and the pedal is clamped on the second fixing seat 12 a. Specifically, the utility model discloses an automobile pedal assembly check out test set still includes frame 13, first fixing base 11a locates on frame 13, first fixing base 11a includes footboard connecting block 11aa and mount pad 11ab, mount pad 11ab is equipped with a plurality of mounting grooves along its vertical direction equidistance interval, the inspector is connected footboard connecting block 11aa and corresponding mounting groove as required, because the footboard base is fixed in the footboard connecting block, therefore, the mounting height of footboard assembly can be adjusted, thereby be convenient for going on of detection; the mounting seat 11ab is connected with a pedal arm support 18, the pedal arm support 18 is connected with the pedal arm through a bolt, and the pedal arm support 18 can limit the free swing of the pedal arm;
by arranging the second fixed seat 12a, the connection mode of the pedal and the second fixed seat 12a is clamping connection, so that the connection between the pedal and the second fixed seat 12a is facilitated, and the connection effect between the pedal and the second fixed seat 12a is firmer;
the frame 13 is connected with an electric appliance cabinet 14, the electric appliance cabinet 14 is provided with electric appliance components, and the electric appliance components are electrically connected with the control mechanism.
In the present embodiment, as shown in fig. 1 to 4, in order to better detect the longitudinal displacement of the pedal assembly, the first displacement detecting mechanism includes a first driving device 3 for driving the pedal assembly provided in the first pedal assembly fixing mechanism 1 to move longitudinally, a first sensing portion 4 for detecting the magnitude of the force of the output shaft of the first driving device 3, and a second sensing portion 16 for detecting the magnitude of the displacement of the output shaft of the first driving device 3, and the first driving device 3 faces the front portion of the first pedal assembly fixing mechanism 1;
an output shaft of the first driving device 3 is detachably connected with the first pedal assembly fixing mechanism 1, the first sensing part 4 is arranged on the output shaft of the first driving device 3, and the second sensing part 16 is arranged on the output shaft of the first driving device 3. Specifically, the first driving device 3 is a first cylinder, a piston rod (i.e., an output shaft) of the first cylinder is connected to the second fixing seat 12a in a spherical hinge manner, the first sensing portion 4 is a force sensor, the second sensing portion 16 is a displacement sensor, and the first sensing portion 4 and the second sensing portion 16 are located outside a cylinder barrel of the first cylinder, so that the first sensing portion 4 can detect an acting force applied to the pedal assembly by the piston rod of the first cylinder, and the second sensing portion 16 can detect the displacement of the first piston rod;
the longitudinal displacement detection process of the pedal assembly in the embodiment is as follows:
s1, before the test starts, the angle of the first air cylinder and the height of the pedal assembly arranged on the first fixed seat 11a need to be adjusted;
s2, the front end of the piston rod of the first cylinder is connected with the second fixed seat 12a in a spherical hinge mode, and when the front end of the piston rod of the first cylinder is connected with the second fixed seat, the acting force of the cylinder needs to be ensured to act on the surface of the pedal vertically;
s3, moving the piston rod of the first air cylinder towards the pedal, gradually increasing the air pressure of the first air cylinder by the control mechanism, feeding back the thrust of the piston rod of the first air cylinder by the first sensing part 4 in real time, and reading a displacement value L1 detected by the second sensing part 16 by the control mechanism when the thrust of the piston rod of the first air cylinder reaches a preset value and reaches the pressure maintaining time required by the standard;
s4, driving the piston rod of the first air cylinder to move in the opposite direction by the control mechanism, feeding back the tension of the piston rod of the first air cylinder in real time by the first sensing part 4, and reading a displacement value L2 detected by the second sensing part 16 by the control mechanism when the tension of the piston rod of the first air cylinder reaches a preset value and reaches a pressure maintaining time required by a standard;
s5, according to the detected displacement value L1 and the displacement value L2, and the difference value obtained by subtracting L2 from L1, the longitudinal displacement of the first cylinder can be obtained;
in conclusion, the whole longitudinal displacement detection process has the characteristics of convenience in operation and high efficiency, so that the method has certain popularization.
In the present embodiment, as shown in fig. 1 to 4, in order to better perform stiffness detection on the pedal assembly, the device used for stiffness detection on the pedal assembly in the present embodiment is the same as the device used for longitudinal displacement detection on the pedal assembly, but since the acting force of the first driving device 3 on the pedal assembly is larger during stiffness detection, the cylinder diameter of the first driving device 3 performing stiffness detection is larger than that of the first driving device 3 performing longitudinal displacement detection, so that the measurement accuracy can be better controlled;
the rigidity detection process of the pedal assembly in the embodiment is as follows:
s1, before the test starts, the angle of the first air cylinder and the height of the pedal assembly arranged on the first fixed seat 11a need to be adjusted;
s2, the front end of the piston rod of the first cylinder is connected with the second fixed seat 12a in a spherical hinge mode, and when the front end of the piston rod of the first cylinder is connected with the second fixed seat, the acting force of the first cylinder needs to be ensured to act on the surface of the pedal assembly vertically;
s3, enabling a piston rod of the first air cylinder to move towards the pedal, enabling the control mechanism to gradually increase the air pressure of the first air cylinder, enabling the first sensing part 4 to feed back the thrust of the piston rod of the first air cylinder in real time, enabling the first air cylinder to keep the pressure on the pedal according to a specified time when the thrust of the piston rod of the first air cylinder reaches a preset value, then releasing the pressure, and repeating the processes of pressurizing, maintaining the pressure and releasing the pressure, and enabling the control mechanism to read the displacement value L3 detected by the second sensing part at the moment when the cycle number reaches a preset number;
s4, applying a preset pressure to the pedal assembly by the control mechanism, and keeping the preset pressure for a specified time, and reading the displacement value L4 detected by the second sensing part 16 by the control mechanism;
s5, according to the detected displacement values L3 and L4, and the difference obtained by subtracting L3 from L4, the deformation amount of the pedal assembly can be obtained;
in conclusion, the whole rigidity detection process has the characteristics of convenience in operation and high efficiency, and therefore the rigidity detection method has certain popularization.
In this embodiment, as shown in fig. 1 to 4, in order to better detect the strength of the pedal assembly, the device used for detecting the strength of the pedal assembly in this embodiment is the same as the device used for detecting the stiffness of the pedal assembly, and therefore, the strength detection process of the pedal assembly in this embodiment is as follows:
s1, before the test starts, the angle of the first air cylinder and the height of the pedal assembly arranged on the first fixed seat 11a need to be adjusted;
s2, the front end of the piston rod of the first cylinder is connected with the second fixed seat 12a in a spherical hinge mode, and when the front end of the piston rod of the first cylinder is connected with the second fixed seat, the acting force of the first cylinder needs to be ensured to act on the surface of the pedal assembly vertically;
s3, pre-pressing the pedal assembly, increasing the pressure of the first cylinder on the pedal assembly to 50N, controlling the output thrust of the first cylinder by the control mechanism, gradually reducing the thrust of the first cylinder to a zero value, and reading a displacement value L5 sensed by the second sensing part 16 by the control mechanism;
s4, applying pressure to the pedal assembly, keeping the pressure to the pedal assembly according to a specified time length when the pressure is increased to a preset value, then removing the pressure, repeating the processes of pressurizing, maintaining pressure and unloading for a plurality of times, and reading the displacement value L6 detected by the second sensing part 16 by the control mechanism;
s5, according to the detected displacement values L5 and L6, and the difference obtained by subtracting L5 from L6, the deformation amount of the pedal assembly can be obtained;
in conclusion, the whole strength detection process has the characteristics of convenience in operation and high efficiency, so that the method has certain popularization.
In the present embodiment, as shown in fig. 1 to 4, in order to better detect the lateral displacement of the pedal assembly, the second displacement detecting mechanism 5 includes a second driving device 51 for driving the pedal assembly provided in the first pedal assembly fixing mechanism 1 to move laterally, a third sensing portion 52 for detecting the magnitude of the force of the output shaft of the second driving device 51, and a fourth sensing portion 53 for detecting the magnitude of the displacement of the output shaft of the second driving device 51, the second driving device 51 faces the side portion of the first pedal assembly fixing mechanism 1, the output shaft of the second driving device 51 is detachably connected to the second fixing base 12a, the third sensing portion 52 is provided on the output shaft of the second driving device 51, and the fourth sensing portion 53 is provided on the output shaft of the second driving device 51. Specifically, the second driving device 51 is a second cylinder, a piston rod (i.e., an output shaft) of the second cylinder is connected to the second fixing seat 12a in a spherical hinge manner, the third sensing portion 52 is a force sensor, the fourth sensing portion 53 is a displacement sensor, and the third sensing portion 52 and the fourth sensing portion 53 are located outside a cylinder barrel of the second cylinder, so that the third sensing portion 52 can detect an acting force applied to the pedal by the piston rod of the second cylinder, and the fourth sensing portion 53 can detect a displacement of the second piston rod;
since the thrust force required for lateral displacement detection is smaller than the thrust force required for longitudinal displacement detection, the cylinder diameter of the second drive device 51 is smaller than that of the first drive device 3;
the detection process of the lateral displacement of the pedal assembly in the embodiment is as follows:
s1, before the test starts, the angle of the second cylinder and the height of the pedal assembly arranged on the first fixed seat 11a need to be adjusted;
s2, the front end of the piston rod of the second cylinder is connected with the second fixed seat 12a in a spherical hinge mode, and when the second cylinder is connected with the pedal connecting block, the acting force of the second cylinder needs to be ensured to act on the surface of the pedal vertically;
s3, moving the piston rod of the second cylinder towards the pedal, gradually increasing the air pressure of the second cylinder by the control mechanism, feeding back the thrust of the piston rod of the second cylinder by the third sensing part 52 in real time, and reading a displacement value L7 detected by the fourth sensing part 53 by the control mechanism when the thrust of the piston rod of the second cylinder reaches a preset value and the acting time reaches the pressure maintaining time required by the standard;
s4, driving the piston rod of the second cylinder to move in the opposite direction by the control mechanism, feeding back the tension of the piston rod of the second cylinder by the third sensing part 52 in real time, and reading a displacement value L8 detected by the fourth sensing part 53 by the control mechanism when the tension of the piston rod of the second cylinder reaches a preset value and the acting time reaches the pressure maintaining time required by the standard;
s5, according to the detected displacement value L7 and the displacement value L8, and the difference value obtained by subtracting L8 from L7, the lateral displacement value of the pedal assembly can be obtained;
in conclusion, the lateral displacement detection process of the whole pedal assembly has the characteristics of convenience in operation and high efficiency, so that the pedal assembly has certain popularization.
In this embodiment, as shown in fig. 5 to 7, in order to facilitate the durability test of the pedal assembly, the detection mechanism of the automobile pedal assembly of the present invention further includes a swing mechanism 10, the swing mechanism 10 includes two swing arms 101a, a connecting rod 102a, a connecting block 103a and a pushing portion 104a, the two swing arms 101a are symmetrically and rotatably connected to two sides of the first fixing seat 11a, two ends of the connecting rod 102a are respectively fixed to the two swing arms 101a, the connecting block 103a is rotatably connected to the connecting rod 102a, the pushing portion 104a is fixed to the first fixing seat 11a, and the pushing portion 104a is connected to the pedal arm;
the first displacement detection mechanism comprises a third driving device 6 for driving the connecting block 103a to longitudinally move, a fifth sensing part 7 for detecting the force acting on the second fixed seat 12a and a sixth sensing part 17 for detecting the displacement of the output shaft of the third driving device 6, wherein the third driving device 6 is right opposite to the front part of the first pedal assembly fixing mechanism 1;
an output shaft of the third driving device 6 is connected to the connecting block 103a, one end of the fifth sensing portion 7 is connected to the connecting rod 102a through a ball hinge, and the other end of the fifth sensing portion 7 is connected to the second fixing seat 12a through a ball hinge. Specifically, by arranging the swing mechanism 10, when the pedal assembly is fixed to the first pedal assembly fixing mechanism 1 by the inspector, the third driving device 6 drives the swing mechanism 10 to swing, the swing mechanism 10 drives the pedal assembly arranged on the first pedal assembly fixing mechanism 1 to swing, and the swing mechanism 10 can swing the pedal assembly for a certain time, so that the inspector can conveniently perform durability detection on the pedal assembly;
the third driving device 6 is a third air cylinder, a piston rod (namely an output shaft) of the third air cylinder is connected to the connecting block, the fifth sensing part 7 is a force sensor, and the sixth sensing part 17 is a displacement sensor; by arranging the swing mechanism 10, the swing mechanism 10 can drive the pedal arm to rotate, when a piston rod of a third cylinder stretches, the acting force of the piston rod of the third cylinder is transmitted to the pedal and the pedal arm sequentially through the connecting rod 102a, the fifth sensing part 7 and the second fixing seat 12a, when the acting force of the third cylinder acts on the connecting block, the connecting block transmits the acting force to the two swing arms 101a, the two swing arms 101a can swing, and because the connecting rod 102a is connected with the swing arms 101a and the pedal assembly, the swinging axes of the two swing arms 101a are the same as the swinging axis of the pedal arm, so that the two swing arms 101a and the pedal arm swing together;
in the swinging process, the two swing arms 101a, the connecting rod 102a, the fifth sensing part 7 and the pedal assembly can keep relatively static, and meanwhile, the thrust of a piston rod of the third cylinder acting on the pedal through the connecting block, the connecting rod 102a, the fifth sensing part 7 and the second fixed seat 12a always keeps a consistent direction relative to the surface of the pedal, so that the durability test of the pedal assembly is facilitated;
according to the standard test requirement of durability, the force acting on the pedal is vertical to the pedal surface and forms a certain angle with the pedal surface, and the connecting rod 102a is connected with the fifth sensing part 7 in a spherical hinge mode, so that the position of the spherical hinge between the connecting rod 102a and the fifth sensing part 7 can be adjusted, and the acting force acting on the pedal forms a specified angle with the surface of the pedal when the durability test is carried out;
by arranging the pushing part 104a, the pushing part 104a can provide acting force for the pedal, the pushing part 104a includes a rotating shaft 1041a, a spring 1042a, a fastener 1043a, a push rod 1044a and a pedal arm connecting seat 1045a, the first fixing seat 11a is provided with a rotating shaft fixing seat 15, the rotating shaft 1041a is rotatably connected in the rotating shaft fixing seat 15, the push rod 1044a is slidably connected in the rotating shaft 1041a, the fastener 1043a is spirally connected in the middle of the rotating shaft 1041a, the spring 1042a is sleeved on the push rod 1044a, two ends of the spring 1042a are respectively abutted against the fastener 1043a and the rotating shaft 1041a, the pedal arm connecting seat 1045a is arranged at one end of the push rod 1044a, the push rod 1044a penetrates through the first fixing seat 11a, the arm connecting seat 1045a is connected with the pedal arm, therefore, the fit between the push rod 1044a and the rotating shaft 1041a is clearance fit, and the movement track of the pedal arm, therefore, the push rod 1044a is also swung, and the purpose of providing the rotating shaft 1041a in the pushing part 104a is to avoid generating motion interference, so that the push rod 1044a does not obstruct the motion of the pedal arm;
during the durability test, when the pedal assembly swings upward, the pedal assembly pulls the push rod 1044a to move in a direction close to the third driving device 6, and the spring 1042a is in an extended state; when the pedal assembly swings downwards, the pedal assembly pushes the push rod 1044a to move away from the third driving device 6, and the spring 1042a is in a compressed state; it should be noted that, a tester can select a proper stiffness of the spring 1042a by combining the stroke of the push rod 1044a and the required magnitude of the supporting force to the pedal, and in a specific test, a certain type of spring can be selected, and the total lengths of the springs 1042a at different shearing or splicing positions can be selected, so as to obtain the required stiffness of the spring 1042 a;
the detection process of the durability performance of the pedal of the embodiment is as follows: before the test starts, the installation angles among the third cylinder, the fifth sensing part 7, the swing arm 101a structure and the pedal need to be adjusted; then the control mechanism controls the piston rod of the third cylinder to reciprocate, during the test process, the sixth induction part 17 detects the displacement of the third cylinder in real time, the pedal arm is pushed and pulled according to the specified displacement amplitude, and the control mechanism further controls the moving direction of the piston rod of the third cylinder through the displacement signal detected by the sixth induction part 17, so that the reciprocating pushing and pulling of the pedal are realized, and the test on the durability performance of the pedal is further realized;
in conclusion, the durability performance detection process of the whole pedal assembly has the characteristics of convenience in operation and high efficiency, so that the pedal assembly has certain popularization.
In this embodiment, as shown in fig. 2, when the detection device for an automobile pedal assembly of the present invention performs longitudinal displacement detection, rigidity detection and strength detection, the first displacement detection mechanism further includes a third fixing seat 8 and a first elastic suspension component 9 for preventing the first driving device 3 from descending, the first driving device 3 is obliquely disposed on the third fixing seat 8, the top end and the bottom end of the first elastic suspension component 9 are respectively connected with the third fixing seat 8 and the first driving device 3, the first elastic suspension component includes a first fixing plate 91, a first lead screw 92 and a first elastic member 93, and the first fixing plate 1 can provide a supporting force for the first lead screw 92; by providing the first elastic member 93, the first driving device 3 can be prevented from inclining downward due to the action of gravity, and the first driving device 3 is ensured to always maintain a certain installation angle, preferably, the first elastic member 93 is a spring.
In this embodiment, as shown in fig. 3, when the automobile pedal assembly detecting apparatus of the present invention performs lateral displacement detection, the second displacement detecting mechanism further includes a fourth fixing seat 54 and a second elastic suspension component 55 for horizontally placing the second driving device 51, the second driving device 51 is obliquely disposed on the fourth fixing seat 54, the top end and the bottom end of the second elastic suspension component 55 are respectively connected with the fourth fixing seat 54 and the second driving device 51, the second elastic suspension component 55 includes a second fixing plate 551, a second lead screw 552 and a second elastic member 553, and the second fixing plate 551 can provide a supporting force for the second lead screw 552; the second elastic member 553 can prevent the second driving device 51 from tilting downward due to gravity, and ensure that the second driving device 51 always maintains a certain installation angle, and preferably, the second elastic member 553 is a spring.
In this embodiment, as shown in fig. 5, when the automobile pedal assembly detecting apparatus of the present invention performs the endurance test, the first displacement detecting mechanism further includes a fifth fixing seat 19 and a third elastic suspension assembly 20 for preventing the third driving device 6 from descending, the third driving device 6 is obliquely disposed on the fifth fixing seat 19, the top end and the bottom end of the third elastic suspension assembly 20 are respectively connected to the fifth fixing seat 19 and the third driving device 19, the third elastic suspension assembly 20 includes a third fixing plate 201, a third screw 202 and a third elastic member 203, and the third fixing plate 201 can provide a supporting force for the third screw 202; by providing the third elastic member 203, the third driving device 6 can be prevented from inclining downwards due to the action of gravity, and the third driving device 6 can be ensured to always maintain a certain installation angle, preferably, the third elastic member 203 is a spring.
In this embodiment, as shown in fig. 4, in order to facilitate the testing of the torsion resistance of the pedal assembly, the second pedal assembly fixing mechanism 2 is an eighth fixing seat, the torque detecting mechanism 11 includes a sixth fixing seat 111a, a seventh fixing seat 112a, a moment arm 113a, a torsion-resistant pull rod 114a and a loading force adjusting component 115a, the torsion-resistant pull rod 114a is rotatably connected to the seventh fixing seat 112a, two ends of the torsion-resistant pull rod 114a are respectively connected to the sixth fixing seat 111a and the moment arm 113a, two ends of the pedal assembly are respectively fixed to the fifth fixing seat and the sixth fixing seat 111a, the moment arm 113a is vertically connected to the torsion-resistant pull rod 114a, the loading force adjusting component 115a is connected to the moment arm 113a, and the loading force adjusting component 115a is located below the moment arm 113 a. Specifically, by arranging the eighth fixed seat, the pedal base is detachably mounted on the eighth fixed seat, so that the pedal assembly is convenient to mount and dismount; through setting up arm of force 113a, torsion bar and loading force adjustment assembly 115a, loading force adjustment assembly 115a is a plurality of weight, when carrying out the antitorque performance test, loading force adjustment assembly 115a can produce the moment of torsion, and the moment of torsion passes through arm of force 113a and antitorque pull rod 114a acts on the footboard assembly, and whether the welding seam of locating the footboard assembly appears damaging to the measurement of accomplishing the antitorque performance to the footboard assembly, consequently, compare in the mode through motor and torque sensor, the utility model discloses torque detection mechanism 11's of embodiment detection method has simple effective and the high characteristics of reliability.
In this embodiment, as shown in fig. 8, the control mechanism includes a central controller and an air pressure adjusting system 12, the air pressure adjusting system 12 includes an air supply unit and two air paths connected in parallel, the two air paths connected in parallel are a first air path and a second air path respectively, the first air path is communicated with the first displacement detecting mechanism, and the second air path is communicated with the second displacement detecting mechanism 5;
the gas circuit comprises a proportional valve 121, a reversing valve 122 and two speed regulating valves 123 which are sequentially communicated, when the automobile pedal assembly detection equipment of the utility model carries out longitudinal displacement detection or rigidity detection or strength detection, the two speed regulating valves 123 of the first gas circuit are respectively communicated with the gas inlet of the first driving device 3 and the gas outlet of the first driving device 3, and the two speed regulating valves 123 of the second gas circuit are respectively communicated with the gas inlet of the second driving device 51 and the gas outlet of the second driving device; when the automobile pedal assembly detection equipment of the utility model detects the durability, the two speed regulating valves 123 of the first gas circuit are respectively communicated with the gas inlet of the third driving device 6 and the gas outlet of the third driving device 6, and the two speed regulating valves 123 of the second gas circuit are respectively communicated with the gas inlet of the second driving device 51 and the gas outlet of the second driving device 51;
the central controller is electrically connected with the gas supply unit, the proportional valve 121, the reversing valve 122 and the speed regulating valve 123, specifically, by arranging the proportional valve 121, the proportional valve 121 can regulate the size of the air pressure of the first cylinder, the size of the air pressure of the second cylinder or the size of the air pressure of the third cylinder, so as to control the size of the thrust and the pull of the first cylinder, the size of the thrust and the pull of the second cylinder or the size of the thrust and the pull of the third cylinder;
by arranging the reversing valve 122, the reversing valve 122 can switch the push-pull direction of the first cylinder, the push-pull direction of the second cylinder or the push-pull direction of the third cylinder;
by providing the speed regulating valve 123, the speed regulating valve 123 can control the magnitude of the speed of the gas entering or exiting the first cylinder, the magnitude of the speed of the gas entering or exiting the second cylinder, or the magnitude of the speed of the gas entering or exiting the third cylinder;
by arranging the central controller, the central controller can be selected as a PLC (programmable logic controller) and is provided with an analog quantity input module and an analog quantity output module, the analog quantity output module is used for controlling the proportional valve 121 and is supposed to adopt 4-20mA current control, an output foot of the PLC controls the reversing valve 122, and the analog quantity input module is used for acquiring the outputs of the first sensing part 4, the second sensing part 16, the third sensing part 52, the fourth sensing part 53, the fifth sensing part 7 and the sixth sensing part 17, so that the displacement values and the force magnitudes of the first cylinder, the second cylinder and the third cylinder are read;
the control mechanism also comprises a human-computer interaction interface, so that detection by inspection personnel is facilitated.
To sum up, the utility model discloses a car footboard assembly check out test set has degree of automation height, simple structure and can compromise the advantage of a plurality of detection projects simultaneously to certain popularization nature has.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.
Claims (10)
1. An automobile pedal assembly detection apparatus, comprising:
a first pedal assembly fixing mechanism for fixing the pedal assembly;
the second pedal assembly fixing mechanism is used for fixing the pedal assembly;
the first displacement detection mechanism is positioned at the front part of the first pedal assembly fixing mechanism and is detachably connected with the first pedal assembly fixing mechanism, and the first displacement detection mechanism is used for detecting the longitudinal displacement of the pedal assembly arranged on the first pedal assembly fixing mechanism;
the second displacement detection mechanism is positioned on the side part of the first pedal assembly fixing mechanism and is detachably connected with the first pedal assembly fixing mechanism, and the second displacement detection mechanism is used for detecting the lateral displacement of the pedal assembly arranged on the first pedal assembly fixing mechanism;
the torque detection mechanism is arranged at the front part of the second displacement detection mechanism and is used for detecting the torsion resistance of the pedal assembly arranged on the second pedal assembly fixing mechanism;
and the control mechanisms are connected with the first displacement detection mechanism and the second displacement detection mechanism.
2. The apparatus according to claim 1, wherein the first pedal assembly fixing mechanism includes a first fixing seat and a second fixing seat, one end of the pedal assembly is detachably mounted on the first fixing seat, and the other end of the pedal assembly is engaged with the second fixing seat.
3. The automobile pedal assembly detecting apparatus according to claim 2, wherein the first displacement detecting mechanism includes a first driving device for driving the pedal assembly provided to the first pedal assembly fixing mechanism to move longitudinally, a first sensing portion for detecting a magnitude of force of an output shaft of the first driving device, and a second sensing portion for detecting a magnitude of displacement of an output shaft of the first driving device, the first driving device being directed toward a front portion of the first pedal assembly fixing mechanism;
the output shaft of the first driving device is detachably connected with the first pedal assembly fixing mechanism, the first sensing part is arranged on the output shaft of the first driving device, and the second sensing part is arranged on the output shaft of the first driving device.
4. The apparatus according to claim 3, wherein the second displacement detecting mechanism includes a second driving device for driving the pedal assembly provided on the first pedal assembly fixing mechanism to move laterally, a third sensing portion for detecting a magnitude of a force of an output shaft of the second driving device, and a fourth sensing portion for detecting a magnitude of a displacement of the output shaft of the second driving device, the second driving device being directed toward a side portion of the first pedal assembly fixing mechanism, the output shaft of the second driving device being detachably connected to the first pedal assembly fixing mechanism, the third sensing portion being provided on the output shaft of the second driving device, and the fourth sensing portion being provided on the output shaft of the second driving device.
5. The apparatus according to claim 2, further comprising a swing mechanism, wherein the swing mechanism comprises two swing arms, a connecting rod, a connecting block and a pushing portion, the two swing arms are symmetrically and rotatably connected to two sides of the first fixing seat, two ends of the connecting rod are respectively fixed to the two swing arms, the connecting block is rotatably connected to the connecting rod, the pushing portion is fixed to the first fixing seat, and the pushing portion is connected to the pedal assembly;
the first displacement detection mechanism comprises a third driving device for driving the connecting block to longitudinally move, a fifth sensing part for detecting the force acting on the second fixed seat and a sixth sensing part for detecting the displacement of an output shaft of the third driving device, and the third driving device is right opposite to the front part of the first pedal assembly fixing mechanism;
an output shaft of the third driving device is connected with the connecting block, one end of the fifth sensing part is connected with the connecting rod in a spherical hinge mode, and the other end of the fifth sensing part is connected with the second fixing seat in a spherical hinge mode.
6. The apparatus for detecting a pedal assembly of a vehicle according to claim 3, wherein the first displacement detecting mechanism further includes a third fixing seat and a first elastic suspension member for preventing the first driving device from descending, the first driving device is disposed in the third fixing seat in an inclined manner, and a top end and a bottom end of the first elastic suspension member are respectively connected to the third fixing seat and the first driving device.
7. The vehicle pedal assembly detecting apparatus of claim 4, wherein the second displacement detecting mechanism further includes a fourth fixing base and a second elastic suspension assembly for horizontally placing the second driving device, the second driving device is detachably connected to the fourth fixing base, and a bottom end of the second elastic suspension assembly is connected to the second driving device.
8. The apparatus for detecting a pedal assembly of a vehicle according to claim 5, wherein the first displacement detecting mechanism further includes a fifth fixing seat and a third elastic suspension assembly for preventing the third driving device from descending, the third driving device is disposed at an angle to the fifth fixing seat, and a top end and a bottom end of the third elastic suspension assembly are respectively connected to the fifth fixing seat and the third driving device.
9. The apparatus of claim 8, wherein the second pedal assembly fixing mechanism is an eighth fixing base, the torque detecting mechanism includes a sixth fixing base, a seventh fixing base, a moment arm, a torsion bar and a loading force adjusting component, the torsion bar is rotatably connected to the seventh fixing base, two ends of the torsion bar are respectively connected to the sixth fixing base and the moment arm, two ends of the pedal assembly are respectively fixed to the fifth fixing base and the sixth fixing base, the moment arm is vertically connected to the torsion bar, the loading force adjusting component is connected to the moment arm, and the loading force adjusting component is located below the moment arm.
10. The vehicle pedal assembly detecting device according to claim 2, wherein the control mechanism includes a central controller and an air pressure adjusting system, the air pressure adjusting system includes an air supply unit and two air paths connected in parallel with each other, one of the air paths is communicated with the first displacement detecting mechanism, and the other air path is communicated with the second displacement detecting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078082.6U CN210487240U (en) | 2019-07-09 | 2019-07-09 | Automobile pedal assembly detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078082.6U CN210487240U (en) | 2019-07-09 | 2019-07-09 | Automobile pedal assembly detection equipment |
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| CN210487240U true CN210487240U (en) | 2020-05-08 |
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| CN201921078082.6U Withdrawn - After Issue CN210487240U (en) | 2019-07-09 | 2019-07-09 | Automobile pedal assembly detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307966A (en) * | 2019-07-09 | 2019-10-08 | 中汽检测技术有限公司 | A kind of auto pedal assembly detection device |
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2019
- 2019-07-09 CN CN201921078082.6U patent/CN210487240U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307966A (en) * | 2019-07-09 | 2019-10-08 | 中汽检测技术有限公司 | A kind of auto pedal assembly detection device |
| CN110307966B (en) * | 2019-07-09 | 2024-04-12 | 中汽检测技术有限公司 | Automobile pedal assembly detection equipment |
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