1508results about How to "Avoid occlusion" patented technology

The invention relates to a multi-article identification and distinguishing method, system and device and a medium. The method comprises the steps of obtaining multi-view image data of articles in a target area; performing object detection and instance segmentation on the multi-view image data by using a deep learning algorithm to obtain preprocessed image data; acquiring a first spatial position of the object in the target area by using a depth sensor, and performing spatial correction by combining the preprocessed image data to obtain depth information of the object in the target area; in combination with the preprocessed image data and depth information, performing secondary positioning on articles in the target area through a multi-modal data fusion algorithm, optimizing the distinguishing between the articles in the target area by using spatial correlation, confirming the identity information of each article in the target area, and generating an identification result; and matching the identification result with the article state in a preset database to generate a matching result, and feeding back the matching result to the user side. The method has the effect of improving the recognition precision of the borrowing machine.

The invention belongs to the technical field of aluminum alloy frame welding, and discloses an aluminum alloy door and window frame welding device with an automatic overturning tool, which comprises a supporting base, supporting plates are fixed at the upper ends of the two sides of the supporting base, positioning plates are fixed at the top ends of the supporting plates through bolts, and welding mechanisms are arranged at the lower ends of the positioning plates. The welding mechanism comprises electric sliding tables, sliding blocks and telescopic rods, the electric sliding tables are fixed to the two positioning plates, the sliding blocks are slidably connected to the lower ends of the electric sliding tables, the telescopic rods are fixed to the lower ends of the sliding blocks, and sliding plates are fixed to the lower ends of the two telescopic rods. According to the aluminum alloy door and window frame welding device with the automatic overturning tool, by arranging the limiting structure, the movement track of the welding module can be limited in the front-back movement welding process of the welding mechanism, so that the track of the welding module is the same as that of a to-be-welded area, operation is easy, and the welding efficiency is improved through cooperation with an active overturning structure. And after one end face is overturned, active overturning can be achieved, and welding convenience and welding efficiency are improved.

The invention discloses a tree lodging detection method and system combined with reference object image analysis. The method comprises the steps that based on an initial image shot by a low-altitude camera, key point positions are determined through a tree and reference object key point detection model, two straight lines are formed through fitting, and the current weather condition is judged. And if the weather is not the extreme weather, evaluating the state of the tree through the two fitting straight lines, and outputting the image and position information of tree inclination or lodging. If the weather is extreme weather, further judging whether the tree is submerged by accumulated water or not. If not, monitoring the change of the included angle between the fitting straight lines to detect whether the tree locates or not; if so, outputting the lodging position and direction. And if the tree is submerged by the accumulated water, calculating the height of the submerged part by adopting a reference object and accumulated water relation model, updating the key points of the tree, finally determining the state of the tree by comparing the fitting straight line, and outputting a corresponding evaluation result. By implementing the method provided by the invention, the precision and reliability of tree lodging monitoring can be improved.

The invention relates to the technical field of forestry weeding, and particularly discloses a forestry surrounding type weeding device which comprises a supporting frame. The adjusting mechanism comprises an adjusting box, a driver, an adjusting screw rod, an adjusting frame and a motor, the adjusting box is installed between the two side frame walls of the supporting frame, the driver is installed at the top end of the adjusting box, and the adjusting screw rod is installed between the top box wall and the bottom box wall of the adjusting box through a bearing; the adjusting frame is mounted on the outer surface of the adjusting screw rod; the adjusting screw is driven by the driver to rotate, the adjusting frame drives the weeding mechanism to move up and down accordingly, the height of the weeding cutter can be flexibly adjusted, the obstacle crossing ability of the device is improved through the design, the device can adapt to the ground with different flatness, the service life is prolonged, the application range of the weeding device is widened, and meanwhile the weeding efficiency is improved. Through cooperation of driving of the motor and meshing transmission of the gear, the weeding mechanism can conduct surrounding weeding, and the weeding efficiency is remarkably improved.

The invention discloses a tunnel lining structure crack sound wave detection device and method, and belongs to the field of tunnel crack detection. The tunnel lining structure crack sound wave detection device comprises a moving seat, the top of the moving seat is fixedly connected with an annular track, the bottom of the moving seat is provided with a walking part for pushing the moving seat to advance, the tunnel lining structure crack sound wave detection device further comprises a detection seat, the detection seat is installed on the annular track, and the top of the detection seat is fixedly connected with a sound wave detector, a reciprocating part for driving the detection seat to slide back and forth along the annular track is arranged on the movable seat; according to the invention, the swing rod drives the detection seat and the sound wave detector to swing back and forth along the annular track, so that the reciprocating detection of the section of the tunnel lining structure is rapidly completed, and the detection efficiency and the representativeness of the detection result are improved; and meanwhile, the cleaning roller is driven to rotate during swinging, so that the crack is cleaned before detection, dust and attachments in the crack are prevented from shielding sound waves, and the detection precision is effectively improved.

The invention discloses a video virtual fitting framework in a real scene based on a controllable image diffusion model. The video virtual fitting framework comprises a data preprocessing module used for constructing feature expressions of figures and clothes; the single-stage image fitting network is used for generating a virtual fitting image based on the preprocessed data and performing implicit deformation and fusion of clothes by using a cross attention mechanism; the diffusion guiding module is used for enhancing the time sequence consistency of the generated video, a self-supervision model Video MAE and a self-supervision image model DINO-V2 are introduced, the video is masked by the self-supervision model Video MAE, and a complete video is reconstructed through inter-frame information; and the long video generation module is used for generating a long video and keeping the consistency of the video, splitting the complete video into a plurality of short video clips, and reducing the jitter at the clip joints by using a time sequence common noise reduction strategy. The diffusion guiding module is designed, efficient time sequence consistent video virtual fitting is achieved through self-supervised learning, and the method has the advantages of being excellent in shielding processing, stable in long video generation and the like.

The utility model relates to the technical field of steel rail detection, in particular to a steel rail size detection and calibration device which comprises two carrier rollers arranged side by side, and the carrier rollers form a conveying channel used for conveying a steel rail to be detected. The guide mechanism is used for guiding the movement of the steel rail to be detected; a calibration mechanism is arranged between the two carrier rollers and provided with a plurality of calibration points in the length direction of the conveying channel. And the carrier roller and the calibration mechanism are fixed on the base through a bracket. According to the utility model, the calibration point along the length direction of the steel rail to be measured is arranged on the external calibration mechanism of the steel rail to be measured, so that the inconvenience of manually arranging the calibration point on the steel rail to be measured is avoided. The device can calibrate a distance between the two ends of the steel rail to be measured, and is beneficial for realizing automation.

The utility model discloses a drilling device for roller shutter door processing, which belongs to the technical field of roller shutter door processing equipment and comprises a processing table and a drilling head for drilling a roller shutter door, the top end of the drilling head is fixedly connected with a rotating rod, and the top end of the rotating rod is fixedly connected with an output shaft of a rotating motor. A mounting plate is fixedly connected to the fixed end of the rotating motor, limiting rods are slidably connected to the two ends of the top of the mounting plate through formed through grooves, limiting blocks are fixedly connected to the top ends of the limiting rods, inverted shielding boxes are fixedly connected to the bottom ends of the two limiting rods, and the top ends of the shielding boxes are movably connected with rotating rods through formed through grooves; the side face of the limiting rod is sleeved with a pressurizing spring, the top end and the bottom end of the pressurizing spring are fixedly connected with the mounting plate and the shielding box respectively, the top end of the mounting plate is fixedly connected with the moving end of an electric telescopic rod, drilling chippings are shielded by arranging the shielding cover, the drilling chippings are prevented from splashing, the air environment is prevented from being polluted, and the environment friendliness of the device is improved.

The invention relates to the technical field of shell production and detection, in particular to production and detection equipment for an instrument panel mounting shell structure. The production and detection equipment comprises a workbench, a conveying belt is mounted in the workbench, a first frame and a second frame are fixedly mounted on the surface of the upper end of the workbench, and a first air cylinder is mounted on the surface of the upper end of the first frame; a plurality of shells in a production line can be automatically conveyed and fixed, so that the detection equipment can adapt to production detection of the plurality of shells, the shells can be subjected to partition detection, the strength detection accuracy is improved, the to-be-detected position is automatically switched, and the detection efficiency is improved. According to the shell detection device, the detection work is simpler, more convenient and more efficient, through arrangement of the cleaning rollers, the two ends of the shell can be pressed downwards, warping is prevented, the surface of the shell can be cleaned, the situation that chippings generated during pressing shield the shell is avoided, and workers can conveniently store and collect the detected shells in a classified mode.

The utility model discloses a simple hand-held agricultural soil turning device, which relates to the technical field of agricultural soil turning devices, and comprises a mobile vehicle, one end of the mobile vehicle is fixedly provided with a push handle, the top of the mobile vehicle is fixedly provided with a support box, one side of the support box is fixedly provided with a fixed frame, and the fixed frame is fixedly provided with a handle. Supporting frames are movably installed at the two ends of the fixing frame, a shell is fixedly installed at one ends of the supporting frames, and soil turning equipment is arranged on the inner side of the shell. Through mutual cooperation of the threaded rod, the motor, the threaded sleeve column, the moving block, the supporting rod and the adjusting frame, the problems that an existing soil turning device is poor in flexibility, the soil turning depth of the device cannot be flexibly adjusted according to the soil turning terrain, people cannot conveniently conduct ploughing operation, and the reclamation and soil turning effect is poor are solved. And the soil turning depth of the soil turning equipment is effectively and flexibly adjusted, people can conveniently conduct ploughing operation, and the reclamation and soil turning effects of the device are improved.

The invention discloses a battery pack, and relates to the technical field of batteries. In the battery pack, a battery module comprises a battery cell, an anti-explosion valve is arranged on one side, in the Z direction, of the battery cell, and an insulating stop block shields one side of the anti-explosion valve and is provided with a pressure relief through hole; the first liquid cooling plate is arranged on one side of the battery module and the insulating stop block, a pressure relief channel is arranged between the first liquid cooling plate and the insulating stop block, and the explosion-proof valve can exhaust air to the pressure relief channel through the pressure relief through hole; the space between the first liquid cooling plate and the battery module is filled with a plurality of first layers of heat-conducting structural adhesives which are arranged at intervals in the Y direction, and the first layers of heat-conducting structural adhesives cover the outer surfaces of the insulating check blocks in the Y direction. As the insulating stop block is added, the explosion-proof valve at the top of the battery cell can be shielded, the first layer of heat-conducting structural adhesive is prevented from shielding the explosion-proof valve, and the explosion-proof valve can be smoothly opened when the battery cell is in thermal runaway and is exhausted through the pressure relief through hole to relieve pressure. As the space is directly reserved between the first liquid cooling plate and the insulating stop block for exhausting, the pressure relief space is sufficient, and pressure can be relieved to a set area.

The invention discloses a PC board surface intelligent flaw recognition device, and relates to the technical field of PC board flaw recognition devices.The PC board surface intelligent flaw recognition device comprises a bottom plate base, a cover plate, an auxiliary cavity, a flaw recognition visual device and a wavy PC board, the cover plate is fixedly connected to the bottom plate base, and the auxiliary cavity and the flaw recognition visual device are both fixedly connected to the cover plate; the wave PC board is located on a conveying belt on the bottom plate seat, and the multi-application type driving assembly, the stable identification auxiliary assembly and the effective identification processing assembly are further included. Through the design of the stable identification auxiliary assembly, it can be effectively guaranteed that the wave PC board is in a state parallel to a defect identification visual device before defect identification is conducted; therefore, the situation that in actual detection, due to the fact that the placing position of the wave PC board is not parallel to the flaw recognition visual device, local irradiation of the to-be-detected wave PC board is insufficient, and the flaw detection accuracy is affected is avoided, the detection accuracy is improved, the misjudgment and missed judgment risks are reduced, and the integrity of image data is effectively guaranteed.

The present invention belongs to the technical field of PCB processing, and discloses a PCB circuit board etching processing device, including an etching pool, a loading frame is fixedly provided above the etching pool, an adapting groove is provided at the bottom of the loading frame, and a clamping component is movably sleeved inside the adapting groove. The present invention improves the etching effect by increasing the total etching area, and at the same time, the clamping frame is lifted up again to make the clamping frame drive the etched PCB circuit board to move to the position between the material guide processing component and the loading frame, and the clamping effect is cancelled. When the PCB circuit board is located on the clamping frame and loses the clamping and limiting, it tilts in either direction to the left or right, and the material guide processing components arranged obliquely on both sides are used to quickly guide out the etched PCB circuit board, the actual PCB circuit board is quickly and accurately positioned, the clamping action is simple and convenient, the etching area is maximized, and the loading, etching and discharging processing are quickly completed, and the actual etching effect is good and the efficiency is high.

The invention discloses a flaw detection device for seamless steel pipe manufacturing, and belongs to the technical field of flaw detection devices, the flaw detection device comprises a conveying roller way, four track limiting strips are fixedly connected to the inner wall of a frame of the conveying roller way, and the track limiting strips are symmetrically arranged in pairs; a first rotating ring and a second rotating ring are rotationally connected between every two adjacent parallel rail limiting strips, the first rotating rings are located in front of the second rotating rings, gear rings are fixedly connected to the outer ring walls of the first rotating rings and the second rotating rings, and a linkage driving mechanism used for driving the first rotating rings and the second rotating rings to rotate is arranged on the edge of the upper end of the conveying roller way. And at least one cleaning mechanism is arranged in the rotating ring II. The to-be-detected seamless steel pipe can be cleaned in advance, and dust shielding damage and cracking are avoided.

The utility model relates to the technical field of vacuum fixing devices, in particular to a display panel vacuum fixing device. According to the technical scheme, the device comprises a case and further comprises a fixing mechanism installed at the bottom of the case in a sliding mode and used for rapidly fixing a display panel, a pressing assembly fixedly installed at the top of the case and used for sealing and evenly applying pressure to the display panel located on the fixing mechanism, and a vacuum pump installed on the top of the case and used for sealing the display panel located on the fixing mechanism. The vacuum pump is installed on the top of the machine box and used for vacuumizing the space between the fixing assembly and the pressing assembly. The liquid crystal display screen and the touch screen are prevented from being misplaced through the fixing mechanism, the touch screen and the liquid crystal display screen are prevented from being not firmly fixed through the pressing assembly, bubbles are prevented from being generated between the liquid crystal display screen and the touch screen through the vacuum pump, a liquid crystal layer is prevented from being incapable of correctly displaying images, and the accuracy of a touch sensor is prevented from being interfered.

The present invention relates to a MIMO radar space-time-range three-dimensional joint adaptive detection method based on the LCMV criterion. The present invention first disassembles the received MIMO radar array element-pulse-range three-dimensional echo data into multiple "space-time-waveform" three-dimensional data matrices according to the waveform length, and then converts each three-dimensional data matrix into a two-dimensional data matrix as the input of the joint adaptive processing; then, a joint adaptive filter is constructed based on the LCMV criterion, and the two-dimensional data matrix is ​​subjected to joint adaptive filtering processing; finally, the result of the joint adaptive filtering processing output is used as the detection statistic to implement the threshold detection. Compared with the traditional cascade processing method of "matched filtering + beamforming + Doppler domain detection", the present invention can suppress the side lobes generated by strong targets, avoid the shielding of adjacent weak targets, suppress clutter, reduce the demand for data, and has a faster computing speed, so it has the advantage of being easy to implement in engineering.

The embodiment of the invention discloses a measuring device, a clamp and measuring equipment, relates to the field of measuring instruments, and solves the problem of inaccurate measuring results. According to the specific scheme, the measuring device comprises a host, a supporting assembly and a receiving assembly. The supporting assembly comprises a first connecting rod and a cable which are connected with each other. The receiving assembly comprises a receiver, a signal processor, a second connecting rod and a coaxial line. The host and the signal processor are electrically connected through a cable. The receiver and the signal processor are electrically connected through a coaxial line. The first connecting rod is rotationally connected with the second connecting rod; and one end, far away from the host, of the cable is electrically connected with the signal processor. The coaxial line does not span the rotating joint of the first connecting rod and the second connecting rod, and the coaxial line with the large bending radius can not be bent. The problem that the bending radius is large in the folding process is solved. The distance between the receiver and the host can be adjusted, so that the signal of the receiver is prevented from being shielded, and the anti-interference capability of the measuring device and the accuracy of the measuring result are improved.

The invention relates to the technical field of building sunshade, and discloses a building door and window external sunshade device which comprises a window frame, an upper frame body is hinged to the inner wall of the top of the window frame, and a lower frame body is hinged to the bottom of the upper frame body. Ventilation air can be provided for the indoor space through air holes, the indoor space cannot be too depressed, when the equipment needs to be stored, a servo motor is started to be matched with a longitudinal threaded rod and a sliding block to enable a lower frame body and an upper frame body to synchronously rotate and be folded, so that the lower half portion of a window frame is vacated, and normal use of a window cannot be affected; meanwhile, the sunshade device can be flatly laid on the top of a window frame through cooperation with a crank arm, a telescopic rod and a transverse plate, the situation that rainwater enters a window due to sudden raining is prevented, and the protection effect is achieved.

The invention discloses a three-phase guide rail type electric energy meter, and relates to the technical field of electric energy meters. The electric energy meter comprises an electric energy meter body, a fixing shell is fixedly connected to one side of the electric energy meter body, a glass cover is arranged on the front side of the electric energy meter body, a sliding groove is formed in the side, away from the fixing shell, of the electric energy meter body, and two sliding blocks are slidably connected to the inner wall of the sliding groove; the bottom of one sliding block and the top of the other sliding block are in threaded connection with the same two-way threaded rod. Through arrangement of the anti-shielding device, a motor I, a threaded rod, a threaded sleeve, a limiting block, an L-shaped block, a long rod and a cleaning roller are matched, so that the long rod moves to drive the cleaning roller to move, and dust or impurities on the surface of the glass cover can be cleaned away through movement of the cleaning roller; the problem that the glass cover of the display screen of the electric energy meter is shielded by dust or impurities is avoided, so that the definition of the display screen is improved, and the reading is more accurate and easy to check.

The invention discloses an unmanned aerial vehicle for fire rescue and a using method thereof, and relates to the technical field of unmanned aerial vehicles for fire rescue. The unmanned aerial vehicle for fire rescue comprises a vehicle body and a protective shell, the inner surface of the protective shell is fixedly connected with a heat insulation pad, the outer surface of the protective shell is fixedly connected with a transparent visual window, the interior of the vehicle body is fixedly connected with an infrared thermal imager and a high-definition camera, and the outer surface of the protective shell is fixedly connected with a vehicle arm and a cleaning device. Propellers are arranged at the ends of the machine arms, an undercarriage is fixedly connected to the side of the lower surface of the protective shell, a hoisting device is fixedly connected to the lower surface of the protective shell, a transverse rod is fixedly connected to the outer surface of the undercarriage, and a fixing device is fixedly connected to the outer surface of the transverse rod. The safety of the unmanned aerial vehicle in the process of transporting the relief goods is improved, through the cleaning device, the function of automatically cleaning soot is achieved, and a lens of the high-definition camera is prevented from being shielded.

The invention discloses a comprehensive cable monitoring device based on multiple sensors, and relates to the technical field of cable detection, the comprehensive cable monitoring device comprises a robot body, a rectangular box is arranged on the top surface of the robot body, an electric telescopic rod is arranged in the rectangular box, a mounting plate is arranged at the movable end of the electric telescopic rod, and a detection piece is arranged at the front end of the top surface of the mounting plate; a baffle is fixedly connected to one side face of the movable plate. A rectangular groove is formed in the top surface of the movable plate, a movable rod is slidably arranged in the rectangular groove, and a strip-shaped broom is arranged at the top of the movable rod; an electric push rod is arranged on the top surface of the mounting plate; a driving mechanism is arranged at the movable end of the electric push rod; through the use of the driving mechanism, the strip-shaped brooms reciprocate on the surface of the cable, dust on the surface of the cable is cleaned, it is avoided that heat dissipation of the cable is affected by dust covering of the cable, and safe operation of the cable is facilitated; meanwhile, the surface of the cable is prevented from being shielded by dust, so that the corrosion condition of the surface of the cable can be clearly observed.

The invention relates to an air conditioner indoor unit and a control method thereof, the air conditioner indoor unit comprises a heat exchange box, an indoor heat exchanger, a fan and an electric heating device, and the heat exchange box is provided with an air inlet and an air outlet; the indoor heat exchanger is arranged in the heat exchange box and located on a flow path between the air inlet and the air outlet; air entering the heat exchange box from the air inlet exchanges heat with the indoor heat exchanger and then flows out of the heat exchange box from the air outlet; the fan is arranged between the indoor heat exchanger and the air outlet of the heat exchange box, and the air outlet end of the fan faces the air outlet; the electric heating device is arranged between the indoor heat exchanger and the air inlet end of the fan and used for heating air flowing out of the indoor heat exchanger, and the electric heating device is arranged to be capable of being controlled to provide an avoiding opening for air flowing from the indoor heat exchanger to the air inlet of the fan when the electric heating device does not need to heat the air flowing out of the indoor heat exchanger. According to the technical scheme, the air outlet efficiency of the air outlet can be guaranteed.

The utility model relates to the technical field of lighting equipment, in particular to exhibition lighting equipment for an exhibition hall, which comprises a lampshade, a glare reduction component is arranged inside and outside the lampshade, the glare reduction component comprises a mounting seat rotatably connected inside the lampshade, the lower side of the mounting seat is in threaded connection with a bulb, and two ends of the mounting seat penetrate through the lampshade. Gears are fixedly connected to the two ends of the mounting base, racks are engaged to the outer sides of the two racks, first electric push rods are fixedly connected to the upper sides of the two racks, the top ends of the two first electric push rods are fixedly connected to the outer side of the lampshade, lamplight is reflected through the reflector, and the direction of the bulb can be changed; due to the fact that the irradiation angle of the bulb can be adjusted, when lamplight irradiates the reflector inside the lampshade, the reflected lamplight is dispersed, discomfort of viewers caused by glare generated during lamplight irradiation is avoided, and meanwhile the irradiation intensity of the lamplight is guaranteed.

The invention relates to the technical field of vehicle detection, and particularly discloses a vehicle overall dimension measurement method. The method comprises the following steps: 1, respectively installing a left laser radar and a right laser radar on two sides of a detection area where a vehicle runs, 2, unifying point cloud data sets collected by the left laser radar and the right laser radar to the same coordinate, and denoising the point cloud data according to a set threshold range to obtain a left point cloud data set L and a right point cloud data set R; 3, subtracting the X coordinate of the R from the X coordinate of the L to obtain the width of the vehicle; obtaining a Z coordinate value from the data set R or L to obtain the height of the vehicle; 4, detecting the time T1 and T2 of the vehicle entering and exiting the detection area through the left laser radar and the right laser radar; the photoelectric switch array measures the average speed V of the vehicle, and the vehicle length is obtained through calculation according to a formula; and 5, measuring the wheelbase of the vehicle through the photoelectric switch array. The objective of the invention is to solve the problems that three laser radars are adopted to measure the overall dimension of a vehicle, the required vehicle site is large, and the equipment cost is high.

The invention relates to a detection device, in particular to a marble tile surface and crack integrated detection device and method. The clamping and overturning detection structure comprises two installation mechanisms symmetrically installed on the machine body, a clamping and overturning mechanism connected between the two installation mechanisms, a jacking detection mechanism connected with the clamping and overturning mechanism and a transmission mechanism connected to the clamping and overturning mechanism and the jacking detection mechanism. And the transmission mechanism is mounted on the clamping and overturning mechanism. According to the invention, through the reasonably designed structure combination and connection relation of the clamping, overturning and detecting structures, the front and back surfaces of the marble tiles can be comprehensively detected at the same station when the marble tiles are detected, and through the design scheme, the clamping and overturning modes are optimized, so that the detection efficiency is improved. The clamping and overturning detection structure can be ensured not to shield the edge part of the marble tile when one surface of the marble tile is detected, so that the problem of visual shielding of the edge of the tile is avoided.

The invention relates to the technical field of advertisement interception and optimization, and discloses a real-time advertisement interception and optimization method, which comprises the following steps of: when an advertisement appears on user equipment, monitoring closing or browsing operation of a user, obtaining an advertisement type preferred by the user, and forming an advertisement type accepting set of the user; meanwhile, software currently opened by a user is obtained, and user states including working and entertainment states are judged; executing a first interception optimization strategy in the working state; obtaining the current recreational activities of the user in the recreational state, and executing different interception optimization strategies according to the recreational activities performed by the user; the user state is obtained according to the software currently used by the user, and all or part of advertisements are selected to be intercepted according to the state, so that the relationship between the advertisement display frequency and the user experience is effectively balanced, and the interference of the advertisements on the normal use of the user is avoided.

The utility model discloses urban gas buried pipeline leakage detection positioning inspection equipment which comprises an inspection vehicle, the upper surface of the inspection vehicle is fixedly connected with a supporting frame, the interior of the supporting frame is rotatably connected with a connecting column, the bottom end of the connecting column is fixedly connected with an installation plate, the interior of the installation plate is rotatably connected with a connecting shaft, and the connecting shaft is fixedly connected with the bottom end of the connecting column. The end face of the connecting shaft is fixedly connected with a detection assembly, an adjusting mechanism is arranged on the upper surface of the supporting frame and comprises a second motor, the output end of the second motor is fixedly connected with a driving shaft, and the end, away from the second motor, of the driving shaft is fixedly connected with a first gear. The top end of the connecting column is fixedly connected with a second gear, and the first gear and the second gear are meshed with each other. The angle of the detection assembly can be adjusted through the arranged adjusting mechanism, the detection assembly can adapt to different road conditions conveniently, the information collection range is widened, and good practicability is achieved.

The utility model relates to the technical field of batteries, and discloses a battery pole group fixing structure and a battery, the battery pole group fixing structure comprises a shell, the inner side peripheral wall of the shell is enclosed to form a containing cavity, and the containing cavity is suitable for containing a pole group; an anti-explosion valve is arranged on the cover plate, and the anti-explosion valve and the pole group are arranged in a spaced mode in the first direction; the end plate is arranged on one side, facing the cover plate in the first direction, of the pole group; and the wrapping body wraps the end, close to the anti-explosion valve, of the end plate in the second direction, and the wrapping body is suitable for delaying and / or isolating heat transfer between the end plate and the pole group when the battery cell triggers thermal runaway. According to the battery pole group fixing structure provided by the utility model, the wrapping body can independently support the pole group and / or the wrapping body and the wrapped part of the end plate can simultaneously support the pole group, so that the pole group is prevented from moving towards the end plate along the first direction, the pole group is prevented from shielding the anti-explosion valve, the temperature rise speed of the battery cell due to thermal runaway is effectively delayed, and the safety of the battery cell is improved. The peak temperature of the battery cell is reduced, and the battery cell thermal runaway test passing rate is greatly improved.

The utility model relates to the technical field of machine tool protection, and discloses a machine tool protective cover which comprises a bottom frame and protective shells arranged on the two sides of the top of the bottom frame, and further comprises side plates fixed to the two ends of the bottom frame, a bearing shell is fixedly connected to the surface of one side of the bottom frame, and expansion mechanisms are installed in the two sides of the bottom frame. The inner wall of the bearing shell is fixedly connected with a fixed block; the protective shells on the two sides can be translated and expanded towards the outer side at the same time through the expansion mechanism and the motor, workers can clean and maintain the protective shells in the later period more conveniently, and chippings and waste liquid attached to the surfaces of the acrylic plates can be cleaned and scraped in time through the cleaning mechanism; the protective cover for the machine tool not only can prevent the acrylic plate from being shielded by chippings, but also can enable workers to observe the working condition of the machine tool at any time, and solves the problems that an existing protective cover for the machine tool is inconvenient to clean and overhaul and affects the workers to observe the internal condition.