Abstract: A vehicle calibration device, including: a base; an upright frame provided on the base; a first locking mechanism provided on the upright frame; and a bracket configured to be secured to the first locking mechanism and in detachable connection with the first locking mechanism. The first locking mechanism includes a first locking structure connected to the upright frame and a first locking member. The first locking structure has a slot, the bracket has an insertion end, the first locking member is threadedly connected to the first locking structure. When the first locking member is in a locked state, the first locking member is inserted into the slot and abuts against the insertion end to secure the upright frame. When the first locking member is in an unlocked state, the first locking member is disengaged from the insertion end, allowing the upright frame to be removed from the upright frame.

Abstract: A method and system for controlling a device includes training a low-level policy to form a trained low-level policy and a low-level value function to form a trained goal conditioned value function, wherein training is performed using a static data set using goal conditioned episodes, training a high-level goal planner having high level goals having high-level sub-goals corresponding to a plurality of future time steps using the low-level value function to maximize a cumulative reward over the sub-goals for the plurality of future time steps so that the sub-goals are reachable by the low-level policy, obtaining an observation of a device, and generating an executable action using the low-level policy and the high-level goal planner and operating the device with the executable action.

Abstract: The present application provides a method for displaying information, an electronic device and a storage medium. The method includes: obtaining a total sliding distance of an operation body, the total sliding distance is a movement distance of the operation body in a Y-axis direction of a display area where a component is located; determining an item-to-be-displayed of the component according to the total sliding distance; determining a movement distance of a canvas of the component in the Y-axis direction and a scaling rate of the canvas according to the total sliding distance and a height of the item-to-be-displayed; and controlling the canvas to perform a translational movement according to the movement distance and scaling the canvas according to the scaling rate simultaneously, drawing and displaying the item-to-be-displayed on the canvas. A three-dimensional scrolling effect of the component may be realized, and a user experience may be improved.

Abstract: This application provides a tire tread examining device, including: a case component, which includes a detection case and a handle case, the handle case being able to drive the detection case to move, and the detection case and the handle case being spaced apart; a positioning component, including a tire abutting plate disposed on an end of the detection case and perpendicular to a lengthwise direction of the detection case; a detection assembly including a detection element located on an end of the detection case away from the tire abutting plate.

Abstract: An auxiliary positioning bracket, including: a positioning bracket, and a laser device arranged on the positioning bracket. The positioning bracket has a first end portion and a second end portion arranged oppositely to the first end portion. The first end portion is formed with a first abutment surface, which is configured to abut against a tire outer lateral surface, and a second abutment surface, which is perpendicular to the first abutment surface and configured to abut against a horizontal plane of a calibration site. The positioning bracket is also formed with a measurement surface which is parallel to the second abutment surface. The laser device is arranged at the second end portion and configured to project a line laser onto the tire outer lateral surface, and a plane where the line laser is located is perpendicular to the measurement surface.

Abstract: The present application provides a filtration device for a water inlet pipe of a sprinkler, which includes a mounting seat provided in the water inlet pipe, and a driving mechanism, the driving mechanism is provided in the mounting seat and penetrates through the mounting seat; a side of the driving mechanism is movably connected to the outer wall of the mounting seat; a clamping mechanism is provided on the driving mechanism, one end of which is fixedly connected to the driving mechanism, and the clamping mechanism is distributed circumferentially around the driving mechanism; a fixing frame with one end connected to the clamping mechanism and another end connected to a filter screen. The filter screen is provided in the water inlet pipe.

Abstract: A vehicle detection apparatus, including: a mounting seat, configured to be arranged on a first side of a vehicle; a first position reference module, which is installed on the mounting seat and configured to be photographed by a vehicle detection apparatus arranged at a second side of the vehicle to obtain image information; at least one image acquisition module, which is installed on the mounting seat and configured to acquire image information of an auxiliary tool installed on a wheel arranged at the first side; a second position detection module, which is configured to acquire image information of a second position reference module of the vehicle detection apparatus arranged at the second side of the vehicle; and a control module, which is electrically connected to the second position detection module and the at least one image acquisition module, and is configured to processes the acquired image information.

Abstract: The present application provides a four-wheel alignment method and a four-wheel alignment system. The four-wheel alignment system includes at least two calibration units, at least one measuring unit, and a computing unit, and the method includes: fixing the at least two calibration units to wheels of the vehicle to be measured, and fixing the at least one measuring unit to a same side of the vehicle to be measured where the at least two calibration units are fixed; respectively collecting, through the at least one measuring unit, images of at the least two calibration units to obtain a first image; and receiving the first image through the calculation unit, and calculating to obtain four-wheel alignment parameters of the vehicle to be measured based on the first image.

Abstract: The present application provides a four-wheel aligner, which includes a first detection device, a second detection device and a control device; the first detection device includes a first position detection module and a first image acquisition module, the second detection device includes a second position detection module and a second image acquisition module, the first image acquisition module and the second image acquisition module are respectively configured to acquire image information on four wheels, in the first position detection module and the second position detection module, one includes a fifth calibration member, and another one includes an image acquisition member, the image acquisition member is configured to capture image information of the fifth calibration member; the control device analyzes the four-wheel alignment information of the vehicle according to the acquired image information.

Abstract: The present application provides a calibration system and a four-wheel aligner. The calibration system includes a first device and a second device for use in pairs. The first device and the second device are respectively arranged on the side of the vehicle to be detected where the wheel to be measured is arranged. The first device includes a first camera, and the second device includes a calibration member. The first camera of the first device is configured to obtain the first image information of the calibration member of the second device on the opposite side. The control device is connected to the first camera, and is configured to receive the first image information from the first camera and process the first image information. The calibration system of the present application obtains the first image information of the second device on the opposite side through the first camera.

Abstract: A wheel hub clamping apparatus and a detection device are provided. The wheel hub clamping apparatus includes: two clamping jaw assemblies, which are configured to clamp on a wheel hub; a guide assembly, which is slidably connected with the two clamping jaw assemblies to enable the two clamping jaw assemblies to move relative to the guide assembly; a driving assembly, which is in transmission connection with the two clamping jaw assemblies and is used to drive the two clamping jaw assemblies to move toward or away from each other on the guide assembly to reach target positions; and a fixing assembly, which is arranged on the guide assembly and is located between the two clamping jaw assemblies, and is used to fix an auxiliary calibration tool.

Abstract: The present disclosure relates to the technical field of medical instruments, in particular to a bodily fluid collector and a bodily fluid collection method. The bodily fluid collector of the present disclosure comprises a collection member and a storage member having a storage chamber. Moreover, the storage chamber of the storage member may be partitioned into a first chamber for receiving a bodily fluid and a second chamber for storing a preservative product separated from each other by fitting a lower end of the collection member with the storage member, such that the isolation of the bodily fluid from the preservative product is no longer dependent on the sealing of a thin film, but only needs to engage the collection member with the storage member, and also such that the mixing of the bodily fluid with the preservative product is no longer dependent on the damage of the thin film by a blade, but only needs to separate the collection member from the storage member.

Abstract: The application provides a wheel alignment calibration device and a wheel alignment apparatus. The wheel alignment calibration device includes: a calibration box, a calibration component located in the calibration box, and a fixing member connected to the calibration box; the calibration box defines a calibration direction, the calibration box is provided with a calibration space and a calibration opening communicated with the calibration space. The calibration component is located in the calibration space and can be exposed to the calibration opening in the calibration direction. The fixing member is configured to fix the calibration box on the lift carrying the vehicle, so that the opening direction of the calibration opening is set obliquely downward, and the wheel alignment calibration device is configured to achieve calibration based on the calibration direction through the calibration component.

Abstract: A circular sprinkler irrigation all-in-one machine capable of spraying water, fertilizer, and pesticide includes a sprinkler irrigation frame and a storage pesticide box disposed at a side of the sprinkler irrigation frame, and a top end of the sprinkler irrigation frame is fixedly connected to a lower connecting seat. The operator control the machine through a control panel to uniformly spray and irrigate crops, an area of spraying water, pesticide and fertilizer can be adjusted according to the area of crops, effectively saving water, fertilizer and pesticide resources, accurate fertilization or spraying pesticide can be achieved according to different crops, the integration of a water pipeline and a first electric power line with a main sprinkler irrigation pipe ensures that the spraying operation can be carried out regularly and continuously during rotary spraying, avoiding line entanglement, improving device versatility, overall spraying accuracy and the neatness of the device line.

Abstract: Disclosed is a battery equalization management method, including the following steps: S10, setting a working period t1 and a stopping period t2, wherein t1/(t1+t2)?80%; S20, performing a charging and discharging operation on the battery during the working period t1; S30, suspending the charging and discharging operation within the stopping period t2, and performing a reverse charging and discharging operation on the battery with a small current for a preset period; S40, performing a voltage collection on the battery after the battery voltage is stable; and S50, determining whether the battery equalization is completed according to the collected battery voltage data, if yes, ending the current battery equalization operation, and if no, returning to executing steps S20 to S40. The present invention improves the accuracy and stability of battery equalization.