A sliding door fixing device, a sliding door testing system and a control method thereof

Abstract

The present application relates to the field of vehicle detection, and more particularly to a sliding door fixing device, a sliding door testing system and a control method thereof, comprising a slide rail assembly, a first support assembly, a second support assembly, a lifting motor, a first fixing assembly and a second fixing assembly, the first support assembly and the second support assembly each comprising a support plate, a sliding block and a support rod, the first fixing assembly and the second motor being fixed to the output end of the lifting motor. In use, the distance between the first support assembly and the second support assembly is adjusted by moving the sliding block, so that the first fixing assembly and the second fixing assembly respectively fix the two sides of the vehicle body. The lifting motor mounted on the first support assembly and the second support assembly drives the first fixing assembly and the second fixing assembly to move in the vertical direction, so that the heights of the two sides of the vehicle body are different, thereby adjusting the height and inclination of the vehicle body, thereby simulating the situation that the relative position and interaction between the sliding door and the door frame change due to the inclination of the vehicle body caused by the inclined road surface.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle detection, in particular to a sliding door fixing device, a sliding door testing system and a control method thereof. BACKGROUND

[0002] During the driving of the vehicle, the uneven ground will cause friction between the electric sliding door and the door frame, thereby affecting the service life of the sliding door. However, in the existing sliding door testing environment, there is no function of controlling the height and slope of the vehicle body, resulting in a large error between the test service life and the actual service life of the sliding door. SUMMARY

[0003] Therefore, the present application provides a sliding door fixing device capable of adjusting the inclination of the sliding door, a sliding door testing system and a control method thereof.

[0004] The technical scheme of the present application is as follows: a sliding door fixing device, a sliding door testing system and a control method thereof, comprising a sliding rail assembly, a first support assembly, a second support assembly, a lifting motor, a first fixing assembly and a second fixing assembly, the first support assembly and the second support assembly each comprising a support plate, a sliding block and a support rod, the support rod being fixed to one side of the support plate, the sliding block being arranged on the side of the support plate away from the support rod, the sliding blocks of the first support assembly and the second support assembly being respectively connected with the two ends of the sliding rail assembly, at least two lifting motors corresponding to the support rods, and the fixed end being fixed to one end of the support rod away from the support plate, the first fixing assembly being fixed to the output end of the lifting motor corresponding to the first support assembly, and the second fixing assembly being fixed to the output end of the lifting motor corresponding to the second support assembly.

[0005] Optionally, the first fixing assembly and the second fixing assembly each comprise a fixing plate, the first support assembly and the second support assembly each comprise at least two support rods, the number of lifting motors is at least four and corresponds to the support rods, at least two support rods are distributed in a straight line, and the distribution direction is perpendicular to the extension direction of the sliding rail assembly, at least two lifting motors installed between the first support assembly are connected through a fixing plate, and at least two lifting motors installed between the second support assembly are connected through a fixing plate.

[0006] Optionally, it further comprises a universal wheel set, and the two ends of the bottom of the sliding rail assembly are each provided with the universal wheel set.

[0007] Optionally, the universal wheel set comprises a connecting piece and at least two wheel bodies, the connecting piece comprises a first connecting portion arranged at a top portion and a second connecting portion and a third connecting portion arranged oppositely in the same horizontal plane, the connecting piece is connected with the bottom portion of the slide rail assembly through the first connecting portion, and the two wheel bodies are respectively arranged on the second connecting portion and the third connecting portion.

[0008] Optionally, the first supporting assembly and the second supporting assembly each comprise a slide rail lock, and the slide rail lock is arranged on the sliding block and rotationally connected with the sliding block.

[0009] Optionally, the first supporting assembly and the second supporting assembly each comprise a hand wheel, the hand wheel is arranged on the sliding block, and rotating the hand wheel drives the sliding block to move along the slide rail assembly.

[0010] Optionally, the slide rail assembly is at least two groups and the two groups of slide rail assemblies are arranged in parallel, the first supporting assembly and the second supporting assembly at least comprise two sliding blocks and hand wheels corresponding to the sliding blocks, the two groups of slide rail assemblies and the two groups of sliding blocks are arranged at two ends of the supporting plate respectively, and at least two hand wheels arranged on the first supporting assembly or the second supporting assembly are synchronously rotated.

[0011] Another object of the embodiment is to provide a sliding door test system, which comprises a control device, a signal sensor and the sliding door fixing device, the control device comprises a PLC and a controller, the input end of the signal sensor is electrically connected with the controller, and the output end is electrically connected with the lifting motor, and the PLC is used for electrical connection with a vehicle controller.

[0012] Another object of the embodiment is to provide a control method based on the sliding door test system, which comprises a preparation work, a test opening door, a test closing door and a cycle test, wherein,

[0013] The preparation work comprises starting a switch, repeatedly performing system reset operation until the sliding door is confirmed to be in a closed position by the controller;

[0014] The test opening door comprises performing an opening test on the sliding door by the PLC, confirming the opening of the sliding door after an interval time T1, and confirming the opening of the sliding door to be in place;

[0015] The test closing door comprises performing a closing test on the sliding door by the PLC after a test required pause time T2, confirming the closing of the sliding door after an interval time T3, and confirming the closing of the sliding door to be in place;

[0016] The cycle test comprises repeating the test opening door step and the test closing door step until the test number reaches a preset value.

[0017] Optionally, the preparation work further comprises: judging whether the sliding door is in a closed position.

[0018] The test opening door further comprises: judging whether the inner sliding door opening door is in place.

[0019] The test closing door further comprises: judging whether the inner sliding door closing door is in place.

[0020] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0021] The sliding door fixing device, the sliding door test system and the control method thereof are used, the distance between the first support assembly and the second support assembly is adjusted by moving the sliding block, so that the first fixing assembly and the second fixing assembly fix the two sides of the vehicle body respectively, the first fixing assembly and the second fixing assembly are driven to move in the vertical direction by the lifting motor installed on the first support assembly and the second support assembly, so that the heights of the two sides of the vehicle body are different, thereby adjusting the height and the inclination of the vehicle body, and the situation that the relative position and the interaction between the sliding door and the door frame change due to the inclination of the vehicle body caused by the inclined road surface is simulated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the sliding door fixing device and the sliding door test system according to the embodiment of the present application.

[0023] Figure 2 is a sectional view of the sliding door fixing device, the sliding door test system and the control method thereof according to the embodiment of the present application.

[0024] MARKED FOR EXPLANATION:

[0025] 100, sliding door fixing device,

[0026] 1, sliding rail assembly,

[0027] 2, first support assembly, 21, support plate, 22, sliding block, 23, support rod, 24, sliding rail lock, 25, hand wheel,

[0028] 3, second support assembly,

[0029] 4, lifting motor,

[0030] 5, first fixing assembly, 51, fixing plate,

[0031] 6, second fixing assembly,

[0032] 7, universal wheel set, 71, connecting piece, 72, wheel body,

[0033] 200, control device, 300, signal inductor. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In addition, the terms "first", "second", and the like are used in the present application to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information without departing from the scope of the present application.

[0037] With reference to Figure 1 The embodiment provides a sliding door fixing device 100, which comprises a sliding rail assembly 1, a first support assembly 2, a second support assembly 3, a lifting motor 4, a first fixing assembly 5 and a second fixing assembly 6. The first support assembly 2 and the second support assembly 3 each comprise a support plate 21, a sliding block 22 and a support rod 23. The support rod 23 is fixed to one side of the support plate 21, and the sliding block 22 is arranged on the side of the support plate 21 away from the support rod 23. The sliding blocks 22 of the first support assembly 2 and the second support assembly 3 are respectively connected with the two ends of the sliding rail assembly 1 in a sliding mode. At least two lifting motors 4 correspond to the support rods 23 one by one, and the fixed ends are fixed to one end of the support rod 23 away from the support plate 21. The first fixing assembly 5 is fixed to the output end of the lifting motor 4 corresponding to the first support assembly 2, and the second fixing assembly 6 is fixed to the output end of the lifting motor 4 corresponding to the second support assembly 3. In use, the distance between the first support assembly 2 and the second support assembly 3 is adjusted by moving the sliding block 22, so that the first fixing assembly 5 and the second fixing assembly 6 fix the two sides of the vehicle body respectively. The first fixing assembly 5 and the second fixing assembly 6 are driven by the lifting motors 4 installed on the first support assembly 2 and the second support assembly 3 to move in the vertical direction, so that the heights of the two sides of the vehicle body are different, thereby adjusting the height and inclination of the vehicle body, and simulating the situation that the relative position and interaction between the sliding door and the door frame change due to the inclination of the vehicle body caused by the inclined road surface.

[0038] Preferably, referring to Figure 1 In the embodiment, the first and second fixing assemblies 5 and 6 each include a fixing plate 51, the first and second support assemblies 2 and 3 each include at least two support rods 23, the number of the lifting motors 4 is at least four and corresponds to the support rods 23, at least two support rods 23 are distributed in a straight line and the distribution direction is perpendicular to the extension direction of the slide rail assembly, at least two lifting motors 4 installed on the first support assembly 2 are connected by a fixing plate 51, and at least two lifting motors 4 installed on the second support assembly 3 are connected by a fixing plate 51. The height of the four support rods 23 is adjusted by the at least four lifting motors 4, and different states of the vehicle body, such as forward inclination, backward inclination, left inclination, right inclination, etc. are simulated by adjusting the four support rods 23 to different heights.

[0039] Preferably, referring to Figure 1 In the embodiment, the slide door fixing device 100 further includes a universal wheel set 7, and the universal wheel set 7 is installed at both ends of the bottom of the slide rail assembly 1. The slide door fixing device 100 with the vehicle body can be moved to different laboratories by the universal wheel set 7, and different humidity and temperature scenes are simulated according to the working conditions of the laboratories, so that the experimental results are more in line with the actual use.

[0040] Preferably, referring to Figure 1 In the embodiment, the universal wheel set 7 includes a connecting piece 71 and at least two wheel bodies 72, the connecting piece 71 includes a first connecting part provided at the top and a second connecting part and a third connecting part provided opposite on the same horizontal plane, the connecting piece 71 is connected to the bottom of the slide rail assembly 1 through the first connecting part, and the two wheel bodies 72 are installed on the second connecting part and the third connecting part respectively. The two oppositely arranged wheel bodies 72 can form a support surface, effectively improving the balance during movement, and at the same time, the horizontal force received by the wheel body 72 due to the strange shape inertia can be transmitted to the connecting piece 71 during driving, reducing the possibility of damage to the wheel body 72.

[0041] Preferably, referring to Figure 1 In the embodiment, the first and second support assemblies 2 and 3 each include a slide rail lock 24, and the slide rail lock 24 is installed on and rotationally connected to the sliding block 22. After the vehicle body is installed on the fixing assembly and the state of the vehicle body is adjusted by the lifting motor 4, the slide rail lock 24 is rotated to relatively lock the sliding block 22 and the slide rail assembly, avoiding the possibility of sliding during use.

[0042] Preferably, referring to Figure 1In the embodiment, the first support assembly 2 and the second support assembly 3 each comprises a hand wheel 25, the hand wheel 25 is installed on the sliding block 22, and rotating the hand wheel 25 drives the sliding block 22 to move along the slide rail assembly 1. Specifically, in the embodiment, the slide rail assembly 1 is at least two groups and the two groups of slide rail assemblies 1 are arranged in parallel, the first support assembly 2 and the second support assembly 3 at least comprise two sliding blocks 22 and a hand wheel 25 corresponding to each sliding block 22, the two groups of slide rail assemblies 1 and the two groups of sliding blocks 22 are arranged at two ends of the support plate 21 respectively, and at least two hand wheels 25 arranged on the first support assembly 2 or the second support assembly 3 are synchronously rotated. By limiting the sliding direction of the first support assembly 2 and the second support assembly 3 through the two groups of slide rail assemblies arranged in parallel, the stress damage between the slide rail assembly and the sliding block 22 caused by the inclination of the first support assembly 2 and / or the second support assembly 3 to one side due to the uneven weight of the vehicle body can be effectively reduced.

[0043] The embodiment also discloses a sliding door testing system, referring to Figure 1 , comprising a control device 200, a signal sensor 300 and the sliding door fixing device 100 as described above, the control device 200 comprises a PLC and a controller, the input end of the signal sensor 300 is electrically connected with the controller, and the output end is electrically connected with the lifting motor 4, and the PLC is used for being electrically connected with a vehicle controller. An operator controls the movement of the at least four lifting motors 4 through the controller, so as to adjust the shape of the vehicle body, and controls the action of the sliding door in the vehicle through the PLC.

[0044] Referring to Figure 2 , the embodiment also discloses a control method based on the sliding door testing system, the control method comprises preparation, door opening test, door closing test and cycle test, wherein:

[0045] The preparation comprises starting a switch, repeatedly performing system reset operation until the sliding door is confirmed to be in the closed position by the controller.

[0046] The door opening test comprises performing the door opening test on the sliding door through the PLC, confirming the opening of the sliding door after an interval time T1.

[0047] The door closing test comprises performing the door closing test on the sliding door through the PLC after a pause time T2 required by the test, and confirming the closing of the sliding door after an interval time T3.

[0048] The cycle test comprises repeating the test opening step and the test closing step until the test times reach a preset value. Specifically, in the present application, since in actual use, the driving position is located on the left side, the driver usually gets on and off from the left door, and the left side of the vehicle must have a negative load brought by the driver, therefore, the frequency and use frequency of the force acting on the left side of the vehicle are higher, therefore, in the test process, the moving speed, the time T1, the time T2, the time T3 and the time T2 of the left sliding door can be set as half of the corresponding values of the right sliding door, so that the test times of the left sliding door are half of the test times of the right sliding door in the same time, or the test values of the left sliding door and the right sliding door can be kept the same, and the total test time of the left sliding door is doubled, so that the test times of the left sliding door are half of the test times of the right sliding door in the case of ensuring the accuracy of the experiment.

[0049] Preferably, referring to Figure 2 The preparation work further comprises judging whether the sliding door is in the closed position: if yes, entering the test opening step; if no, concluding that the sliding door system has an abnormal fault, and issuing an alarm signal to inform the operator to clear the fault, and after clearing the fault, the preparation work is performed again.

[0050] The test opening further comprises judging whether the opening of the inner sliding door is in place: if yes, entering the test closing step; if no, concluding that the sliding door system has an abnormal fault, and issuing an alarm signal to inform the operator to clear the fault, and after clearing the fault, the preparation work is performed again.

[0051] The test closing further comprises judging whether the closing of the inner sliding door is in place: if yes, entering the cycle test step; if no, concluding that the sliding door system has an abnormal fault, and issuing an alarm signal to inform the operator to clear the fault, and after clearing the fault, the preparation work is performed again.

[0052] The sliding door fixing device 100, the sliding door test system and the control method thereof provided in the present embodiment are used before adjusting the positions of the first support assembly 2 and the second support assembly 3, fixing the vehicle body on the first fixing assembly 5 and the second fixing assembly 6, adjusting the height and inclination of the vehicle body through the controller controlling the four lifting motors 4, fixing the first support assembly 2 and the second support assembly 3 through the slide rail lock 24, and moving the sliding door fixing device 100 and the vehicle body to a suitable laboratory through the universal wheel set 7.

[0053] The sliding door fixing device 100, the sliding door test system and the control method thereof provided in the present embodiment have the following beneficial effects:

[0054] I. In use, the mobile slider 22 adjusts the distance between the first support assembly 2 and the second support assembly 3, so that the first fixed assembly 5 and the second fixed assembly 6 respectively fix the two sides of the vehicle body, and the lifting motor 4 installed on the first support assembly 2 and the second support assembly 3 drives the first fixed assembly 5 and the second fixed assembly 6 to move in the vertical direction, so that the heights of the two sides of the vehicle body are different, thereby adjusting the height and inclination of the vehicle body, thereby simulating the situation that the sliding door and the door frame change the relative position and interact with each other due to the inclination of the vehicle body caused by the inclined road surface.

[0055] II. The wheel body 72 can move the sliding door fixing device 100 equipped with the vehicle body to different laboratories, simulate different humidity and temperature scenes according to the working conditions of the laboratory, so that the experimental results are more in line with the actual use.

[0056] III. The two oppositely arranged wheel bodies 72 can form a supporting surface, effectively improving the balance during movement. At the same time, during driving, the horizontal force received by the wheel body 72 due to the strange shape inertia can be transmitted to the connecting piece 71, reducing the possibility of damage to the wheel body 72.

[0057] The above is the preferred embodiment of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications are also considered to be within the scope of protection of the present application.

Claims

1. A sliding door fixing device, characterized in that, The system includes a slide rail assembly, a first support assembly, a second support assembly, lifting motors, a first fixing assembly, and a second fixing assembly. Each of the first and second support assemblies includes a support plate, a slider, and a support rod. The support rod is fixed to one side of the support plate, and the slider is located on the side of the support plate away from the support rod. The sliders of the first and second support assemblies are slidably connected to both ends of the slide rail assembly. At least two lifting motors correspond one-to-one with each support rod, and their fixed ends are fixed to the ends of the support rods away from the support plate. The first fixing component is fixed to the output end of the lifting motor corresponding to the first support component. The lifting motor corresponding to the first support component can drive the first fixing component to move in the vertical direction. The second fixing component is fixed to the output end of the lifting motor corresponding to the second support component. The lifting motor corresponding to the second support component can drive the second fixing component to move in the vertical direction. The first fixing component and the second fixing component are respectively connected to both sides of the vehicle body. Both the first fixing component and the second fixing component include a fixing plate. Both the first support component and the second support component include at least two support rods. The number of lifting motors is at least four and corresponds one-to-one with the support rods. At least two of the support rods are distributed in a straight line and their distribution direction is perpendicular to the extension direction of the slide rail component. At least two lifting motors installed on the first support component are connected by one of the fixing plates, and at least two lifting motors installed on the second support component are connected by one of the fixing plates.

2. The sliding door fixing device according to claim 1, characterized in that, It also includes caster wheels, with caster wheels installed at both ends of the bottom of the slide rail assembly.

3. The sliding door fixing device according to claim 2, characterized in that, The omnidirectional wheel assembly includes a connector and at least two wheels. The connector includes a first connecting part at the top and a second connecting part and a third connecting part arranged opposite each other on the same horizontal plane. The connector is connected to the bottom of the slide rail assembly through the first connecting part, and the two wheels are respectively installed on the second connecting part and the third connecting part.

4. The sliding door fixing device according to claim 1, characterized in that, Both the first support component and the second support component include a slide rail lock, which is mounted on the slider and rotatably connected to the slider.

5. The sliding door fixing device according to claim 1, characterized in that, Both the first support assembly and the second support assembly include a handwheel, which is mounted on the slider and rotating the handwheel drives the slider to move along the slide rail assembly.

6. The sliding door fixing device according to claim 1, characterized in that, The slide rail assembly comprises at least two sets, and the two sets of slide rail assemblies are arranged in parallel. The first support assembly and the second support assembly each include at least two sliders and handwheels corresponding to the sliders. The two sets of slide rail assemblies and the two sets of sliders are respectively located at both ends of the support plate. At least two handwheels located on the first support assembly or the second support assembly rotate synchronously.

7. A sliding door testing system, characterized in that, The device includes a control unit, a signal sensor, and a sliding door fixing device as described in any one of claims 1-6. The control unit includes a PLC and a controller. The input terminal of the signal sensor is electrically connected to the controller, and the output terminal is electrically connected to the lifting motor. The PLC is used to be electrically connected to a vehicle controller.

8. A control method, characterized in that, Based on the sliding door testing system as described in claim 7, the control method includes: Preparation: Turn on the switch and repeat the system reset operation until the controller confirms that the sliding door is in the closed position; Door opening test: The sliding door is controlled by the PLC to conduct an opening test. After an interval of time T1, the opening position of the sliding door is confirmed. Door closing test: After a pause time T2 as required by the test, the sliding door is controlled by the PLC to perform a closing test. After an interval time T3, the closing status of the sliding door is confirmed. Loop test: Repeat the test door opening step and the test door closing step until the number of tests reaches the preset value.

9. The control method according to claim 8, characterized in that, The preparation work also includes: determining whether the sliding door is in the closed position; The door opening test also includes: determining whether the inner sliding door is fully opened; The door closing test also includes: determining whether the inner sliding door is closed properly.

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