CN107991107B - Swing arm type vehicle parking detection mechanism, detection method and detection platform - Google Patents
Swing arm type vehicle parking detection mechanism, detection method and detection platform Download PDFInfo
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- CN107991107B CN107991107B CN201711386273.4A CN201711386273A CN107991107B CN 107991107 B CN107991107 B CN 107991107B CN 201711386273 A CN201711386273 A CN 201711386273A CN 107991107 B CN107991107 B CN 107991107B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention provides a swing arm type vehicle parking detection mechanism, a detection method and a detection platform, wherein the swing arm type vehicle parking detection mechanism comprises the following components: the device comprises a frame, a motor, a shaft coupling, a screw rod assembly, a guide rail, a swing arm assembly, a switch assembly and a guide rail sliding block, wherein the motor, the shaft coupling, the screw rod assembly, the guide rail, the swing arm assembly, the switch assembly and the guide rail sliding block are all installed in the frame, the motor is connected to the screw rod assembly through the shaft coupling, the screw rod assembly is connected with the swing arm assembly, and the swing arm assembly is connected with the guide rail sliding block through the guide rail sliding block. The invention provides power through one motor, and the components such as the screw rod assembly, the guide rail, the swing arm assembly and the like work cooperatively with each other, thereby realizing the braking detection of vehicle parking; the invention has simple and reliable structure and lower cost, small volume, small occupied space, simple and convenient installation, and can cooperate multiple access & exit platform to use, and can effectively reduce the injury to vehicle tire.
Description
Technical Field
The invention relates to the field of brake detection of vehicle parking, in particular to a swing arm type vehicle parking detection mechanism, a swing arm type vehicle parking detection method applied to the swing arm type vehicle parking detection mechanism, and a swing arm type vehicle parking detection platform comprising the swing arm type vehicle parking detection mechanism.
Background
At present, a domestic vehicle parking access platform is only provided with a function of prompting a vehicle driver to pull a hand brake by voice, and the vehicle parking access platform does not have a function of automatically detecting whether the vehicle is pulled up or not from the outside of the vehicle, so that when the vehicle is parked on the platform, the hand brake is not pulled up, namely, a driver does not pull up the hand brake according to prompt, and when the vehicle is carried by an automatic carrier, the vehicle automatically moves forwards due to the over-fast speed and inertia effect, so that potential safety hazards of collision and damage to the vehicle can exist.
Although the prior art also discloses a roller counterforce type automobile parking detection table, when the automobile is in neutral gear, the wheels are positioned between the main and the driven rolling, the wheels rotate at a low speed, after the wheel of the parking pedal is stepped on to decelerate and brake, the other roller shaft is driven to rotate under the action of the reaction moment, so that the torque is measured through the torque sensor, and the parking force is calculated; however, the roller counterforce type automobile parking detection table has a complex structure, more power elements and higher cost, and is not suitable for the situation that only the parking state of the automobile is detected but the braking force is not detected; in addition, the roller reaction type automobile parking detection table needs a large space, and is inconvenient to install as an auxiliary mechanism.
Disclosure of Invention
The invention aims to solve the technical problems that a swing arm type vehicle parking detection mechanism which is simple in structure, reasonable in cost, small in occupied space and convenient to install needs to be provided, so that the braking detection of vehicle parking is realized, and the swing arm type vehicle parking detection mechanism is convenient to use in cooperation with various entrance platforms; the invention also provides a swing arm type vehicle parking detection method applied to the swing arm type vehicle parking detection mechanism, and provides a swing arm type vehicle parking detection platform comprising the swing arm type vehicle parking detection mechanism.
In this regard, the present invention provides a swing arm type vehicle parking detection mechanism including: the device comprises a frame, a motor, a shaft coupling, a screw rod assembly, a guide rail, a swing arm assembly, a switch assembly and a guide rail sliding block, wherein the motor, the shaft coupling, the screw rod assembly, the guide rail, the swing arm assembly, the switch assembly and the guide rail sliding block are all installed in the frame, the motor is connected to the screw rod assembly through the shaft coupling, the screw rod assembly is connected with the swing arm assembly, and the swing arm assembly is connected with the guide rail sliding block through the guide rail sliding block.
The invention further improves the structure of the motor, and the motor further comprises a notch, a guide frame and a swing arm steering guide wheel, wherein the notch is arranged on a wall plate at one end of the frame far away from the motor, the guide frame is arranged above the notch, and the swing arm steering guide wheel is arranged at the bottom of the guide frame.
The invention further improves that the swing arm assembly comprises an arm support, wherein a bent groove is formed in the arm support, and the swing arm steering guide wheel is movably arranged in the groove.
The invention is further improved in that the swing arm assembly further comprises a roller, an arm seat, an oilless bushing, a shaft end baffle, a first roller and a second roller; the roller is arranged on one side of the arm support; the oil-free bushing is fixedly arranged on the arm support and is connected with the shaft of the arm seat; the shaft end baffle is arranged on the shaft of the arm seat, and the arm support is rotationally connected with the axis of the oil-free bushing; the first roller and the second roller are respectively arranged at two sides of the arm support.
The invention further improves that the screw assembly comprises a first screw mounting seat, a screw nut seat and a second screw mounting seat, wherein the screw is mounted between two guide rails through the first screw mounting seat and the second screw mounting seat, the screw is sleeved with the screw nut, and the screw nut is fixed on the side surface of the screw nut seat.
The invention further improves that the switch assembly comprises a mechanical limit switch, a first electromagnetic proximity switch, a second electromagnetic proximity switch and a photoelectric switch, wherein the mechanical limit switch is arranged at one end of the frame far away from the motor, the first electromagnetic proximity switch is arranged on the inner wall of one end of the frame close to the motor, the second electromagnetic proximity switch is arranged on the inner wall of one end of the frame close to the swing arm assembly, and the photoelectric switch is arranged on the swing arm assembly.
The invention further improves that the motor comprises a limiting block, wherein the limiting block is arranged on the inner wall of the frame and is arranged on one side, close to the motor, of the first electromagnetic proximity switch.
A further development of the invention consists in that it further comprises a cover plate, which is connected to the frame.
The invention also provides a swing arm type vehicle parking detection method, which is applied to the swing arm type vehicle parking detection mechanism and comprises the following steps:
step S1, the swing arm assembly is parallel to a frame, and waits until the switch assembly is triggered;
in the step S2 of the method, the motor is started up and the motor is started up, the motor drives the swing arm assembly to rotate through the coupler and the screw rod assembly;
step S3, the swing arm assembly moves along the screw rod assembly through the guide rail until the controller receives the trigger signal and then sets the current detection value of the motor to a preset value;
step S4, detecting the parking state of the vehicle;
and S5, reversing the motor until the swing arm assembly rotates back to an initial state that the swing arm assembly is parallel to the frame.
The invention further provides a swing arm type vehicle parking detection platform, which comprises the swing arm type vehicle parking detection mechanism, a vehicle carrying plate and an entrance platform, wherein the vehicle carrying plate is positioned in a groove of the entrance platform, the swing arm type vehicle parking detection mechanism is arranged on the entrance platform on one side of the vehicle carrying plate, and a gap is reserved between the vehicle carrying plate and the inner wall of the entrance platform.
Compared with the prior art, the invention has the beneficial effects that: the motor is used for providing power, and the components such as the screw rod assembly, the guide rail and the swing arm assembly work cooperatively, so that the braking detection of the parking of the vehicle is realized; the invention has simple and reliable structure, lower cost, small volume, small occupied space and simple and convenient installation, and can be matched with various entrance and exit platforms for use; on the basis, the roller on the swing arm assembly can effectively reduce the damage to the tires of the vehicle when the vehicle is pushed, and the vehicle is pushed more easily and more easily.
The switch component comprises a plurality of electric switches which are matched with each other for use, can effectively realize the process of detecting the parking condition of the vehicle, because the relationship between the swing arm assembly and the frame changes from parallel (0 deg.) to perpendicular (90 deg.), in the process, larger force is needed, so that the current value of the motor is larger, and when the swing arm assembly pushes the vehicle with the handle brake, the current value of the motor is also larger; therefore, in order to effectively identify the current value when the hand brake is detected, the two larger currents are effectively distinguished in two stages through the second electromagnetic proximity switch, namely, the second electromagnetic proximity switch starts to identify the current peak value of the motor only after receiving the signal of the approaching swing arm assembly, and the motor is controlled to rotate reversely after the peak value lasts for 3 seconds; meanwhile, the limiting block and the first electromagnetic proximity switch play a limiting role, so that the main parts are effectively prevented from being collided and damaged.
In conclusion, the invention can effectively and efficiently realize the function of braking detection of vehicle parking, fills the detection gap of whether the vehicle is in the parking field or not, and avoids the defects that a driver forgets to brake the vehicle by pulling the vehicle, and the vehicle is damaged due to collision caused by self-movement of the vehicle due to the over-high speed and inertia effect of the vehicle carrier.
Drawings
FIG. 1 is a schematic top view of a swing arm assembly perpendicular to a frame according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a swing arm assembly parallel to a frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of the sectional structure in the direction A1-A2 in FIG. 2;
FIG. 4 is a schematic view showing a sectional structure in the direction B1-B2 in FIG. 2;
FIG. 5 is a schematic rear view of a swing arm assembly parallel to a frame in an embodiment of the invention;
FIG. 6 is a schematic view of an embodiment of the present invention with a cover plate added thereto;
FIG. 7 is a schematic perspective view of a swing arm assembly parallel to a frame according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a swing arm assembly perpendicular to a frame according to an embodiment of the present invention;
FIG. 9 is a schematic workflow diagram of one embodiment of the present invention;
fig. 10 is a schematic overall structure of an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 8, the present example provides a swing arm type vehicle parking detection mechanism including: the motor 12, the shaft coupler 13, the screw assembly, the guide rail 19, the swing arm assembly 111, the switch assembly and the guide rail slide block 117 are all installed in the frame 11, the motor 12, the shaft coupler 13, the screw assembly, the guide rail 19, the swing arm assembly 111, the switch assembly and the guide rail slide block 117, the motor 12 is connected to the screw assembly through the shaft coupler 13, the screw assembly is connected with the swing arm assembly 111, and the swing arm assembly 111 is in sliding connection with the guide rail 19 through the guide rail slide block 117.
It should be noted that, as shown in fig. 1, 2, 5 and 7, the present embodiment further includes a notch 119, a guide frame 120 and a swing arm steering wheel 110, the notch 119 is disposed on a wall plate of the frame 11 far away from one end of the motor 12, the guide frame 120 is mounted above the notch 119, and the swing arm steering wheel 110 is mounted at the bottom of the guide frame 120.
As shown in fig. 1, 2, 3, 5, 7 and 8, the swing arm assembly 111 in this example includes a boom 1111, a roller 1112, a boom seat 1113, an oilless bushing 1114, a shaft end baffle 1115, a first roller 1116 and a second roller 1117, a bent groove 1118 is formed on the boom 1111, and the swing arm steering guide wheel 110 is movably disposed in the groove 1118. The drum 1112 is disposed at one side of the arm rest 1111; the oil-free bushing 1114 is fixedly mounted on the arm support 1111 and connected to the shaft of the arm base 1113; the shaft end baffle 1115 is mounted on the shaft of the arm seat 1113, and the arm support 1111 is rotationally connected with the axis of the oil-free bushing 1114; the first roller 1116 and the second roller 1117 are respectively installed at both sides of the arm 1111.
It should be noted that, as shown in fig. 1, 2, 7 and 8, in this example, the arm support 1111 is provided with a bent groove 1118, a wall plate on one side of the frame 11 is provided with a notch 119 at one end far away from the motor 12, a guide frame 120 is installed above the notch 119, the bottom of the guide frame 120 is provided with the swing arm steering guide wheel 110, and the bent groove 1118 is engaged with the swing arm steering guide wheel 110, so as to ensure the movement of the swing arm assembly 111.
As shown in fig. 2 and 3, the screw assembly in this example includes a first screw mounting seat 14, a screw 15, a screw nut 16, a screw nut seat 17 and a second screw mounting seat 18, the screw 15 is mounted between two guide rails 19 through the first screw mounting seat 14 and the second screw mounting seat 18, the screw nut 16 is sleeved on the screw 15, and the screw nut 16 is fixed on a side surface of the screw nut seat 17.
As shown in fig. 2, the switch assembly in this example includes a mechanical limit switch 112, a first electromagnetic proximity switch 113, a second electromagnetic proximity switch 114 and a photoelectric switch 115, where the mechanical limit switch 112 is disposed at an end of the frame 11 away from the motor 12, the first electromagnetic proximity switch 113 is disposed on an inner wall of an end of the frame 11 near the motor 12, the second electromagnetic proximity switch 114 is disposed on an inner wall of an end of the frame 11 near the swing arm assembly 111, and the photoelectric switch 115 is disposed on the swing arm assembly 111.
As shown in fig. 7, this example further includes a stopper 116, where the stopper 116 is disposed on an inner wall of the frame 11 and is disposed on a side of the first electromagnetic proximity switch 113 near the motor 12.
As shown in fig. 6, the present example further includes a cover 118, where the cover 118 is connected to the frame 11.
Fig. 1 to 8 are schematic structural views showing the swing arm type vehicle parking detection mechanism according to this example through different angles, wherein the motor 12 is fixed at one end of the frame 11, the coupling 13 connects the output shaft of the motor 12 with one end of the screw rod 15, and the motor 12 drives the screw rod 15 to rotate together.
In this example, a set of guide rails 19 are preferably disposed on the left and right sides of the screw 15, the guide rails 19 are preferably linear guide rails, a guide rail slide block 117 is preferably disposed on each of the two guide rails 19, a screw nut 16 is sleeved on the other end of the screw 15, the screw nut 16 is fixed on the side surface of the screw nut seat 17, the screw nut seat 17 and the guide rail slide block 117 are simultaneously disposed on the bottom of the arm seat 1113, and the swing arm assembly 111 is disposed on the top of the arm seat 1113 through an oilless bushing 1114. The output shaft of the motor 12 rotates to drive the screw nut seat 17, the guide rail sliding block 117 and the swing arm assembly 111 to linearly move along the axis of the screw 15 through the screw nut 16.
The oil-free bushing 1114 is preferably mounted and fixed on the arm support 1111 by a screw, and is matched with the shaft of the arm seat 1113, the shaft end of the arm seat 1113 is used for mounting the shaft end baffle 1115, so that the arm support 1111 can rotate around the axis of the oil-free bushing 1114; the two sides of the bottom of the arm 1111 are respectively provided with a first roller 1116 and a second roller 1117 with guiding function, so that it is ensured that after the two rollers 1116 and 1117 are contacted with the wall plate of the frame 11, the arm 1111 moves along the screw rod 15 along with the arm seat 1113, and forms rolling friction with the frame 11 to avoid damaging the arm 1111 or the frame 11.
The working procedure of this example is as follows: the motor 12 rotates forward, the screw rod 15 pulls the arm seat 1113 through the screw rod nut 16, finally, the arm support 1111 receives a pulling force towards the motor 12, the arm support 1111 is prevented from moving towards the motor 12 due to the bending position of the swing arm steering guide wheel 110 in the bending groove 1118, the arm support 1111 rotates 90 ° around the swing arm steering guide wheel 110 under the pulling force of the motor 12, the arm support 1111 rotates around the axis of the oilless bushing 1114 while rotating, at this time, the oilless bushing 1114 moves linearly along the guide rail 19, and after the arm support 1111 rotates to the 90 ° position, the arm support 1111 moves linearly along the guide rail 19; wherein the roller at the bottom of the arm support 1111 rolls on the inner wall of the wall plate.
Since a large force is required to turn the swing arm assembly 111 by 90 °, the current of the motor 12 will be increased during this process, the current of this process is divided into a stage, the end point of this stage is determined to be the second electromagnetic proximity switch 114, the second electromagnetic proximity switch 114 is mounted on the wall plate opposite to the notch 119, when the second electromagnetic proximity switch 114 is triggered, it represents that the swing arm assembly 111 is successfully turned by 90 ° to reach the 90 ° position shown in fig. 1, and then the motor 12 moves linearly.
After the braking detection of the parking of the vehicle, the swing arm assembly 111 moves in the reverse direction, namely, the movement process of the swing arm assembly 111 from the 90 DEG to the 0 DEG position. At this time, the swing arm assembly 111 moves away from the motor 12 along the guide rail 19. After the groove 1118 at the top of the arm support 1111 is sleeved with the swing arm steering guide wheel 110, along with the further movement of the swing arm assembly 111, the swing arm steering guide wheel 110 enters the bending position of the groove 1118, the swing arm assembly 111 cannot continue to move in a straight line, and under the pushing of the motor 12, the arm support 1111 can only rotate 90 degrees around the swing arm steering guide wheel 110, so that the swing arm assembly 111 is parallel to the guide rail 19, and at this time, the groove 1118 on the arm support 1111 extends out of the notch 119, as shown in fig. 7.
If the vehicle is stopped at a predetermined position as required, the swing arm assembly 111 moves linearly in the direction of the motor 12 for a certain distance and then contacts the wheel, at this time, the photoelectric switch 115 on the swing arm assembly 111 detects the vehicle, the driver controls the motor 12 to slow down, so that the linear movement speed of the swing arm assembly 111 is reduced, and the parking system timer starts to count.
It should be noted that, the motor 12 used in this example is a motor that can rotate forward and backward and can regulate speed; the guide rail 19 in this example preferably uses two sets of linear guide rails, and in practical application, one set of linear guide rail can be changed, and other types of guide rails can be used instead, such as rolling guide rails; the rotating device of the swing arm assembly 111 in the example uses an oil-free bushing 1114, and a bearing can be used for replacing the rotating device in practical application; the shape of the arm support 1111 of this example can be changed according to the actual situation, and the groove 1118 mainly ensuring the rotation and the swing arm steering guide 110 ensuring the linear motion can cooperate with each other.
In summary, in this embodiment, a motor 12 provides power, and components such as a screw assembly, a guide rail 19, a swing arm assembly 111 and the like cooperate with each other, so that the braking detection of parking of the vehicle is realized; the device has the advantages of simple and reliable structure, low cost, small volume, small occupied space, simple and convenient installation and capability of being matched with various entrance platforms; on this basis, the drum 1112 on the swing arm assembly 111 can effectively reduce damage to tires of a vehicle when the vehicle is propelled, and make it easier and more labor-saving to propel the vehicle.
The switch assembly in this example includes a plurality of electrical switches, and the process of detecting the parking situation of the vehicle can be effectively realized by mutually cooperating the electrical switches, because the relationship between the swing arm assembly 111 and the frame 11 changes from parallel (0 °) to vertical (90 °), a larger force is required in the process, so the current value of the motor 12 will be larger, and when the swing arm assembly 111 pushes the vehicle that has been braked by pulling the handle, the current value of the motor 12 will also be larger; therefore, in order to effectively identify the current value when detecting the hand brake, the second electromagnetic proximity switch 114 effectively distinguishes the two larger currents in two stages, namely, the second electromagnetic proximity switch 114 starts to identify the current peak value of the motor only after receiving the signal of the approaching swing arm assembly 111, and the motor 12 is controlled to rotate reversely after the peak value lasts for 3 seconds; meanwhile, the limiting block 116 and the first electromagnetic proximity switch 113 play a limiting role, so that the collision damage of main components is effectively avoided.
The 3 seconds set by the detection time after the photoelectric switch 115 on the swing arm assembly 111 sends out the pulse signal is a default value, and the default value can be adjusted according to different practical situations of the scheme.
Therefore, the function of braking detection of vehicle parking can be effectively and efficiently realized to this example, whether the detection vacancy of stopping is pulled to the vehicle in the parking field has been filled, has avoided the navigating mate to forget behind the stopping of pulling handle, and then because vehicle carrier speed is too fast and inertial action, leads to the vehicle to move by oneself and bumps and damage drawbacks such as vehicle.
Example 2:
as shown in fig. 9, the present example also provides a swing arm type vehicle parking detection method that is applied to the swing arm type vehicle parking detection mechanism described in embodiment 1, and includes the steps of:
step S1, the swing arm assembly 111 is parallel to the frame 11, waiting until the switch assembly is triggered;
step S2, the motor 12 is started, and the motor 12 drives the swing arm assembly 111 to rotate through the coupler 13 and the screw assembly;
step S3, the swing arm assembly 111 moves along the screw assembly through the guide rail 19 until the controller receives the trigger signal and then sets the current detection value of the motor to a preset value;
step S4, detecting the parking state of the vehicle;
in step S5, the motor is reversed until the swing arm assembly 111 rotates back to the initial state where the swing arm assembly 111 is parallel to the frame 11.
As can be seen from fig. 9, the classification of the parking states in step S4 in this example includes the following three cases:
in the first case, the hand brake of the vehicle is pulled up, the swing arm assembly 111 cannot push the automobile, the motor 12 is blocked, the current of the motor 12 is increased and exceeds the rated current value, and the motor 12 is controlled to rotate reversely by the driver until the swing arm assembly 111 returns to the initial position of 0 degrees again.
In the second case, the vehicle hand brake is not pulled up, when the photoelectric switch 115 detects the vehicle and then sends out an electric signal, the driver controls the motor 12 to slow down, the swing arm assembly 111 pushes the vehicle to move towards the motor together, when the timer time exceeds 3 seconds (can be adjusted according to the actual situation of the scheme) and still does not detect the exceeding rated current value of the motor 12, an alarm signal (electric signal) is sent to the garage system immediately, and meanwhile, the driver controls the motor 12 to reverse, and the swing arm assembly 111 returns to the initial position of 0 ° in fig. 3.
In the third case, no vehicle is on the vehicle carrying plate or the front wheel of the vehicle is not stopped in a specified area, the swing arm assembly 111 stops and reports errors after the vehicle moves linearly to a position which can be detected by the first electromagnetic proximity switch 113, and meanwhile, the driver controls the motor 12 to rotate reversely, and the swing arm assembly 111 returns to the initial position. The first electromagnetic proximity switch 113 is used for avoiding collision of the swing arm assembly 111 at the end of the screw rod 15, and the stopper 116 is also installed at a position adjacent to the first electromagnetic proximity switch 113, and the stopper 116 also serves for avoiding collision of key components such as the screw rod assembly, the nut, the motor 12, and the like.
Example 3:
as shown in fig. 10, this example also provides a swing arm type vehicle parking detection platform, which includes a swing arm type vehicle parking detection mechanism according to embodiment 1, and further includes a vehicle carrying plate 2 and an entrance platform 3, the vehicle carrying plate 2 is located in a groove of the entrance platform 3, the swing arm type vehicle parking detection mechanism is disposed on the entrance platform 3 on one side of the vehicle carrying plate 2, and a gap is left between the vehicle carrying plate 2 and an inner wall of the entrance platform 3.
In fig. 10, reference numeral 1 is a swing arm type vehicle parking detection mechanism according to embodiment 1, that is, the swing arm type vehicle parking detection mechanism 1 according to this example includes the components of the frame 11, the motor 12, the coupling 13, the screw assembly, the guide rail 19, the swing arm assembly 111, the switch assembly, the guide rail slider 117, and the like according to embodiment 1, and can directly perform parking detection on the vehicle 4 by using the swing arm type vehicle parking detection method according to embodiment 2.
Fig. 10 shows an arrangement in which the swing arm type vehicle parking detection mechanism 1 according to embodiment 1 is used in combination with the entrance platform 3, wherein the entrance platform 3 has a U-shape in plan view, and the U-shape entrance platform 3 is raised above the ground. The middle of access platform 3 places a year sweep 2, carry sweep 2 and access platform 3's inner wall to leave the space, be convenient for the carrier will carry sweep 2 to remove access platform 3, swing arm formula vehicle parking detection mechanism 1 installation back is higher than access platform 3 makes cantilever crane 1111 can stretch out access platform 3, and then include swing arm assembly 111 carry sweep 2 top horizontal direction go up rotatory and rectilinear motion and do not with carry sweep 2 to interfere, as shown in fig. 6, swing arm formula vehicle parking detection mechanism 1 includes apron 118, increases the security closure and the aesthetic property of whole access platform 3.
The working procedure of this example is as follows: the vehicle 4 enters the middle of the platform through the entrance platform 3, the front wheels are stopped in a specified range, after the driver leaves the vehicle and confirms the parking information, the swing arm type vehicle parking detection mechanism 1 starts to work, the swing arm assembly 111 is at the 0 DEG position shown in fig. 2 at the beginning, the motor 12 is started to drive the lead screw 15 to rotate, the swing arm assembly 111 rotates around the swing arm steering guide wheel 110 of the swing arm assembly 111 under the drive of the lead screw nut 16, the position rotates from the 0 DEG position of fig. 2 to the 90 DEG position of fig. 1 and then continues to move linearly along the lead screw 15 towards the motor 12, the second electromagnetic proximity switch 114 detects the swing arm assembly 111 and then triggers the current limit value of the switching motor 12, when the swing arm assembly 111 contacts with a tire, the photoelectric switch 115 also detects that the tire emits a pulse signal, the motor 12 is decelerated, the swing arm assembly 111 correspondingly decelerates, if the hand brake of the vehicle 4 is pulled up, the motor 12 is adjusted more actually required to be rotated, the swing arm assembly 111 returns to the original position of the mechanical switch 12, and the swing arm assembly 12 stops rotating to the original position of the mechanical switch 12, and the mechanical switch 112 stops at the position of the original position of 2. If the hand brake of the vehicle 4 is not pulled up, the swing arm assembly 111 will push the vehicle to travel towards the motor 12, and when the motor 12 is not detected to exceed the rated current value within 3 seconds (can be adjusted according to more practical requirements), an alarm signal is sent to the system, the system sends an audible and visual alarm signal to remind the driver to return to the vehicle 4 again to pull up the hand brake, meanwhile, the motor 12 is reversed, and the swing arm assembly 111 returns to the 0-degree position of fig. 2 in an original way, so that the occurrence of a collision accident is avoided.
The frame 11 of this example can be slightly modified according to the different entrance platforms 3 to ensure the matching with the entrance platforms 3, and fig. 10 is a scheme of combining this example with an entrance platform 3, and this example is applicable and not limited to this platform combining scheme; the detection time of 3 seconds after the photoelectric switch 115 on the swing arm assembly 111 sends out the pulse signal can be adjusted according to different actual situations of the scheme; whether the swing arm assembly 111 meets the automobile tire is detected by detecting whether the current of the motor 12 exceeds a rated value or not and detecting the torque set value of the motor 12 to detect whether the swing arm assembly 111 meets the automobile tire or not.
Therefore, in both the embodiment and the example 2, the motor 12 can provide power, and the screw rod assembly, the guide rail 19, the swing arm assembly 111 and other components cooperate with each other, so that the braking detection of the parking of the vehicle is realized; the device has the advantages of simple and reliable structure, low cost, small volume, small occupied space, simple and convenient installation and capability of being matched with various entrance platforms; on this basis, the drum 1112 on the swing arm assembly 111 can effectively reduce damage to tires of a vehicle when the vehicle is propelled, and make it easier and more labor-saving to propel the vehicle.
The switch assembly in this example includes a plurality of electrical switches, and the process of detecting the parking situation of the vehicle can be effectively realized by mutually cooperating the electrical switches, because the relationship between the swing arm assembly 111 and the frame 11 changes from parallel (0 °) to vertical (90 °), a larger force is required in the process, so the current value of the motor 12 will be larger, and when the swing arm assembly 111 pushes the vehicle that has been braked by pulling the handle, the current value of the motor 12 will also be larger; therefore, in order to effectively identify the current value when detecting the hand brake, the second electromagnetic proximity switch 114 effectively distinguishes the two larger currents in two stages, namely, the second electromagnetic proximity switch 114 starts to identify the current peak value of the motor only after receiving the signal of the approaching swing arm assembly 111, and the motor 12 is controlled to rotate reversely after the peak value lasts for 3 seconds; meanwhile, the limiting block 116 and the first electromagnetic proximity switch 113 play a limiting role, so that the collision damage of main components is effectively avoided.
In sum, this example can effectively and high-efficient realization vehicle parking's braking detect the function, has filled the detection vacancy of whether stopping is pulled to the vehicle in the parking field, has avoided the navigating mate to forget behind the stopping of pulling, and then because vehicle carrier speed is too fast and inertial action, leads to the vehicle to move by oneself and bumps and damage drawbacks such as vehicle.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (5)
1. A swing arm type vehicle parking detection mechanism, characterized by comprising: frame (11), motor (12), shaft coupling (13), lead screw subassembly, guide rail (19), swing arm subassembly (111), switch module and guide rail slider (117) are all installed in frame (11), motor (12) are connected to through shaft coupling (13) lead screw subassembly, lead screw subassembly with swing arm subassembly (111) are connected, swing arm subassembly (111) pass through guide rail slider (117) with guide rail (19) sliding connection still includes breach (119), leading truck (120) and swing arm steering guide (110), breach (119) set up in on the wallboard that motor (12) one end were kept away from to frame (11), leading truck (120) install in the top of breach (119), swing arm steering guide (110) install in the bottom of leading truck (120), swing arm subassembly (111) include (1111), swing arm (1111) are provided with swing arm (1118), swing arm (1118) are set up in the groove (1118), the roller (1118) is still including in the movable roller (1118) An arm rest (1113), an oilless bushing (1114), a shaft end baffle (1115), a first roller (1116) and a second roller (1117); the roller (1112) is arranged on one side of the arm support (1111); the oil-free bushing (1114) is fixedly arranged on the arm support (1111) and is connected with the shaft of the arm seat (1113); the shaft of the arm seat (1113) is provided with the shaft end baffle (1115), and the arm support (1111) is rotationally connected with the axis of the oil-free bushing (1114); the utility model provides a swing arm, including cantilever crane (1111) is provided with cantilever crane (1111), first gyro wheel (1116) and second gyro wheel (1117), install respectively cantilever crane (1111) both sides, the lead screw subassembly includes first lead screw mount pad (14), lead screw (15), lead screw nut (16), lead screw nut seat (17) and second lead screw mount pad (18), lead screw (15) are passed through first lead screw mount pad (14) and second lead screw mount pad (18) are installed between two guide rails (19), the cover is equipped with lead screw nut (16) on lead screw (15), lead screw nut (16) are fixed the side of lead screw nut seat (17), switch assembly includes mechanical limit switch (112), first electromagnetic proximity switch (113), second electromagnetic proximity switch (114) and photoelectric switch (115), mechanical limit switch (112) set up in frame (11) keep away from the one end of motor (12), first electromagnetic proximity switch (113) set up frame (11) are close to on the one end inner wall of motor (12), second electromagnetic proximity switch (11) set up in on the swing arm assembly (111).
2. The swing arm type vehicle parking detection mechanism according to claim 1, further comprising a stopper (116), the stopper (116) being provided on an inner wall of the frame (11) and provided on a side of the first electromagnetic proximity switch (113) close to the motor (12).
3. The swing arm type vehicle parking detection mechanism according to claim 1, further comprising a cover plate (118), the cover plate (118) being connected with the frame (11).
4. A swing arm type vehicle parking detection method, characterized in that the swing arm type vehicle parking detection method is applied to the swing arm type vehicle parking detection mechanism according to any one of claims 1 to 3, and includes the steps of:
step S1, the swing arm assembly (111) is parallel to the frame (11) and waits until the switch assembly is triggered;
step S2, starting the motor (12), wherein the motor (12) drives the swing arm assembly (111) to rotate through the coupler (13) and the screw rod assembly;
step S3, the swing arm assembly (111) moves along the screw rod assembly through the guide rail (19) until the controller receives a trigger signal and then sets a motor current detection value to a preset value;
step S4, detecting the parking state of the vehicle;
and S5, reversing the motor until the swing arm assembly (111) rotates back to an initial state that the swing arm assembly (111) is parallel to the frame (11).
5. Swing arm formula vehicle parking testing platform, its characterized in that, swing arm formula vehicle parking testing platform has included swing arm formula vehicle parking detection mechanism according to any one of claims 1 through 3, still includes year sweep (2) and access & exit platform (3), carry sweep (2) to be located in the recess of access & exit platform (3), swing arm formula vehicle parking detection mechanism set up in carry on access & exit platform (3) of sweep (2) one side, carry sweep (2) with leave the space between the inner wall of access & exit platform (3).
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| CN201711386273.4A CN107991107B (en) | 2017-12-20 | 2017-12-20 | Swing arm type vehicle parking detection mechanism, detection method and detection platform |
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| CN201711386273.4A CN107991107B (en) | 2017-12-20 | 2017-12-20 | Swing arm type vehicle parking detection mechanism, detection method and detection platform |
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| CN108792606B (en) * | 2018-07-26 | 2024-01-02 | 深圳怡丰机器人科技有限公司 | Clamping and lifting conveying type carrying robot and carrying method thereof |
| CN109713980B (en) * | 2019-02-28 | 2021-03-02 | Oppo广东移动通信有限公司 | Motor assembly and electronic equipment |
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