272results about How to "Observe clearly" patented technology

The invention relates to the technical field of infant sleep nursing, solves the problem that in the prior art, the infant respiration frequency cannot be monitored in a non-contact mode, and provides a non-contact infant respiration monitoring method, device and equipment and a storage medium. The method comprises the following steps: acquiring multiple frames of real-time images in an infant sleep scene; monitoring the sleep state of the real-time image, and identifying a first target image when the infant enters the sleep state; performing image enhancement processing on the first target image, and outputting a second target image after respiratory movement enhancement; feature extraction is carried out on the second target image, and a target area related to infant respiration is recognized; according to the maximum likelihood criterion, the target area is processed, and infant respiration information is determined. The infant respiration is monitored in a non-contact mode, the accuracy of respiration frequency monitoring is improved through image collection, image enhancement processing and other modes, and intrusive monitoring on the infant is not needed.

The invention discloses a cross-dataset magnetic resonance multi-mode super-resolution image synthesis method based on deep learning, and relates to the field of magnetic resonance imaging. An unsupervised method in deep learning is utilized, and the architecture of a generative adversarial network is adopted, so that the synthesis of a magnetic resonance multi-mode super-resolution image is realized. Carrying out data preprocessing on the image, wherein the data preprocessing comprises registration, slicing and normalization; constructing a high-frequency template, performing FFT (Fast Fourier Transform) on the data to obtain a K space, multiplying a K space image by the high-frequency template to obtain high-frequency information of the K space, and performing IFFT to obtain high-frequency information of an image domain; the prepared image and the high-frequency information thereof are fed into the network as inputs. And through network training, synthesis of multi-modal data is realized. And constructing an image degradation algorithm of the super-resolution reconstruction network. And constructing a network architecture for super-resolution image reconstruction, and inputting the degraded image and the original real image into a network for training to obtain a high-resolution multi-modal magnetic resonance image.

The invention relates to the technical field of automobile metal part drilling machining, in particular to an automobile steering knuckle drilling pre-machining machine tool. The automobile steering knuckle machining equipment comprises an installation machine base, a drilling device, a tool clamp and a control system, the drilling device and the tool clamp are installed on the installation machine base and are important components of the equipment, and preprocessing of an automobile steering knuckle is achieved; the control system comprises a hydraulic system, a pneumatic control system, a cutting fluid circulating system, a lubricating system, a chip removal system and an electric control system. The drilling device, the tool clamp, the material pressing device, the control device and other functional components are efficiently matched, the efficiency of automobile steering knuckle drilling pre-machining is remarkably improved, through precise movement of the drilling device, stable fixation of the tool clamp and the material pressing device and continuous lubrication of the lubricating device, high precision of the machining process is guaranteed, and the machining efficiency is improved. The problems of workpiece machining defects, equipment overheating and the like are reduced, and potential safety hazards are reduced.

The invention provides a special clinical stomatoscope for the stomatology department, and belongs to the field of medical instruments. Comprising a holding rod, a mirror frame is arranged at the top end of the holding rod, a mouth mirror body is fixedly connected to the inner wall of the mirror frame, a direction adjusting assembly used for adjusting the direction of the mouth mirror body is arranged on the holding rod, and an angle adjusting assembly used for adjusting the angle of the mouth mirror body is arranged on the holding rod. When the stomatoscope body is rotated to an angle at which the oral cavity of the patient can be observed conveniently, the handle is loosened, the first spring rebounds, the sliding block drives the connecting plate, and the stomatoscope body is rotated to an angle at which the oral cavity of the patient can be observed conveniently; a connecting plate drives a bolt to be inserted into a slot to limit a first rack plate, and an angle adjusting assembly is matched, so that the oral cavity of the patient can be examined in multiple directions, and the oral cavity health condition of the patient can be known more comprehensively.

The invention relates to the field of anorectal departments, and provides an anorectal postoperative endoscopic multifunctional examination device and an examination method thereof.The anorectal postoperative endoscopic multifunctional examination device comprises an insertion pipeline, a lens part is installed at the end of the insertion pipeline, an assembling boss is installed in the middle of the front end of the lens part, and a camera is installed at the front end of a convex head part of the assembling boss; a plurality of light supplementing lamps are installed on the outer side of the front end of the assembling boss at equal intervals, a radian transparent cover is installed on the outer side of the front end of the lens part, an inner carrying cylinder is installed in the lens part, a pulling assembly is arranged in the middle of the inner carrying cylinder in a sliding mode, hot air assemblies are installed at the top end and the bottom end of the inner carrying cylinder correspondingly, and a focusing assembly is installed on the radian transparent cover. During use, the pulling assembly, the hot air assembly and the focusing assembly are utilized, the problem of water mist condensation caused by light reflection, ghosting hot spots and temperature difference of the endoscope camera due to the transparent protective cover is avoided, and the imaging quality and the shooting reliability are improved.

The invention discloses an unmanned aerial vehicle control method and device for aloft work. The method comprises the following steps: when an unmanned aerial vehicle lifts to a preset height, acquiring an operation video of an operation site through a shooting device configured by the unmanned aerial vehicle, and marking a target object in the operation video by using a detection frame; tracking the target object based on a preset target tracking algorithm and the labeling box to obtain an object position of the target object; and determining a target angle of a pan-tilt of the unmanned aerial vehicle according to the object position through a proportional integral differential controller, and adjusting the pan-tilt to the target angle, so that the target object is located at the central position of the video frame of the target video, thereby solving the problem that the unmanned aerial vehicle cannot automatically and stably track the target in a working site, and improving the working efficiency of the unmanned aerial vehicle. The tracking precision and the video stability are improved, the manual intervention is reduced, and the working efficiency and the safety are enhanced.

The embodiment of the invention discloses a processing method, device and system for an intestine space-time group curled image, and relates to the technical field of space-time groups. The method comprises the following steps: acquiring a target image and sequencing data, and performing polygon labeling on a target curling area to obtain an image feature labeling file; analyzing the sequencing data to obtain expression matrix data; mapping the coordinate pixel matrix to a target image to obtain an original coordinate matrix; constructing an ordered bin region set, and mapping each cell in the RDS file into the bin region; and performing spatial conversion on each bin region to form a straightened image, and constructing a visual image based on the converted coordinates. According to the invention, horizontal straightening and expansion of expression data are realized, and gene expression differences of different intestinal segments can be observed and compared more clearly. By using advanced image processing and data analysis technologies, different regions of the intestinal tract can be divided and compared more meticulously, so that regionalization features in the intestinal tract are revealed.

The invention provides an image processing method, device and equipment based on gas imaging, and is applied to the technical field of image processing. The method comprises the following steps: collecting a gas imaging image and a visible light image for a target scene; for each frame of gas imaging image, detecting a gas mass, a gas position mapping table and a gas confidence coefficient table in the gas imaging image according to a preset gas detection model to obtain a gas detection result; aiming at a gas detection result, acquiring a foreground frame with a gas mass and an initial background frame without the gas mass, and determining a real background frame based on the initial background frame and a corresponding weight coefficient; according to the gas position mapping table, the gas confidence coefficient table and the real background frame in the foreground frame, extracting a gas form concentration graph from the gas imaging image; and performing pseudo-color processing on the gas form concentration graph, and superposing the gas form concentration graph on the visible light image to obtain a gas pseudo-color image. Through the method, the gas extraction precision can be effectively improved, and observation by a user is facilitated.

The present invention discloses a measuring device for processing clothing fabrics, including a measuring schematic component, a measuring accommodating cylinder, a measuring support frame, a clamping moving component, a U-shaped base of the device and a fabric body. The present invention belongs to the technical field of clothing fabric measurement, and specifically refers to a measuring device for processing clothing fabrics; in order to solve the problem that the results of existing clothing fabric measurements are not convenient to read, the present invention proposes a measuring schematic component, a suspension made by mixing electrorheological fluid and pigment powder can make significant and eye-catching marks on the fractures of multiple groups of fabric bodies, can maintain the shapes of the fracture moments of multiple groups of fabric bodies, can indicate the specific positions of the fractures, can be clearly observed through a transparent through-diagram shell, can measure the shapes of the fractures of the fabric body and the width of the jagged fractures through a horizontal measuring scale, the operation is simple, and the test results can be read more directly.

The invention discloses a dilator for anorectal surgery, and belongs to the technical field of medical instruments, the dilator comprises two dilation plates, the opposite sides of the two dilation plates are integrally provided with check blocks, and an adjusting box is arranged below the two dilation plates; after the two dilation plates of the dilator dilate to proper positions, a doctor can press an arranged pressing plate to enable an inserting rod to be inserted into an inserting hole of a rotating disc, so that rotation of the rotating disc can be effectively limited, rotation of a two-way screw is prevented, and the situation that the dilation plates are loosened due to accidental factors is avoided; the problem that an existing anorectal dilator is difficult to fix better when being inserted into the anus for dilation is solved, it is ensured that the dilator can be stably maintained in the set dilation state in the whole operation process, a reliable and stable operation view is provided for operation operation, and it is ensured that the operation is conducted smoothly.

The invention relates to a meibomian gland deletion detection method, a meibomian gland deletion detection system, a meibomian gland deletion detection device and a medium, and relates to the technical field of image processing. The meibomian gland deletion detection method comprises the steps of image acquisition, image processing, first gray value segmentation point acquisition, first image segmentation, nth gray value segmentation point acquisition, nth image segmentation, gray value judgment, area calculation, deletion rate calculation, output and the like. The meibomian gland deletion detection system comprises an acquisition module, a processing module, a calculation module I, a segmentation module I, a calculation module II, a segmentation module II, a judgment module, a calculation module III and an output module. According to the meibomian gland deletion detection method and device, intervention of human factors can be reduced in the meibomian gland deletion detection process, then errors of meibomian gland deletion detection are reduced, and then the precision of meibomian gland deletion detection is improved.

The invention discloses a real-time monitoring system and method for secondary biological pollution of pipeline direct drinking water, and relates to the technical field of water quality monitoring. Identifying the preprocessed bacteria image by adopting an edge detection algorithm, and describing the outline of a microorganism coverage area; converting the bacterium image describing the contour of the microorganism coverage area into a binary image; counting the number of pixels in the microorganism coverage area by adopting a pixel counting algorithm, and converting the number of the pixels into a coverage area based on the image resolution and the zoom coefficient of the shooting and uploading integrated equipment; the area proportion of the coverage area is obtained through proportion calculation, and the water quality pollution degree is evaluated through the area proportion. An optical microscopic device and a shooting and uploading integrated device are utilized to shoot and upload the bacterial condition on the pipe wall through a transparent window of the pipe, and then a detection method is combined to analyze the bacterial area proportion on the pipe wall, so that the secondary biological pollution condition of the direct drinking water pipe is quickly identified and judged.

The invention relates to the technical field of laser cutting, and discloses laser equipment for glass workpiece cutting, which comprises a mounting frame, a moving assembly is arranged in the mounting frame and used for conveying glass, a cutting assembly is arranged in the mounting frame and used for carrying out laser cutting on the glass, and a laser cutting assembly is arranged in the mounting frame and used for carrying out laser cutting on the glass. A supporting column is fixedly connected to the rear side of the mounting frame, a feeding assembly is arranged on the lower side of the supporting column and used for feeding glass, cleaning assemblies are arranged on the front side and the rear side of the supporting column and used for blowing and cleaning the fed glass, and a smoke removal assembly is arranged on the rear side of the mounting frame and used for removing smoke from the glass. The glass cutting device is used for adsorbing harmful gas generated during glass cutting. Through operation of the guide rail, the electric telescopic rod and the air cylinder, negative pressure adsorption is formed through the suction cups to achieve automatic carrying, so that the requirement for manually placing glass is reduced, the operation process is simplified, and the risk that the cutting position is inaccurate due to improper operation is further reduced.

The invention discloses a face filler intelligent monitoring and trowel prevention device, and belongs to the technical field of skin detection device.The face filler intelligent monitoring and trowel prevention device comprises a device body, a touch panel and a universal supporting assembly.The front surface of the device body is provided with an opening, and the opening extends towards the interior of the device body to form a detection area; a face camera shooting assembly and a plurality of multispectral ultrasonic detection assemblies are arranged in the detection area, the face camera shooting assembly is arranged in the middle of the inner wall of one side of the detection area, and the multiple multispectral ultrasonic detection assemblies are arranged around the face camera shooting assembly and connected with the inner wall of one side of the detection area. The touch panel is rotatably arranged on one side of the equipment main body, and the touch panel is connected with the side wall of one side of the equipment main body through a fixing assembly. According to the invention, the multispectral ultrasonic detection assembly is matched with the face camera assembly to detect the non-invasive skin penetration of the face filler, and anti-trowel irradiation is provided for the filler through the infrared probe.

The invention relates to the technical field of geological surveying and mapping, and discloses a surveying and mapping ruler for geological surveying and mapping and a using method thereof.The surveying and mapping ruler comprises a shell, a driving rod is rotationally connected to the inner wall of the shell, and a flexible ruler is fixedly wound around the outer wall of the driving rod. In the rotating process of the collecting wheel, the collecting wheel drives a sliding rail to move up and down along the inner wall of a sliding support through a rolling wheel, when the collecting wheel rotates downwards, an N-shaped rod drives a blocking block to block an air outlet through hole, a piston plate forms a sealing plate, and the sealing plate moves downwards along the inner wall of an air pressure cylinder; the air at the bottom of the piston plate is forced to enter the air pressure box through the one-way air outlet valve, and the air in the air pressure box enters the expansion pipe through the air outlet, so that the expansion pipe expands, and the expanded expansion pipe plays a role in supporting the extending flexible rule to reduce the error of measured data of the flexible rule under the influence of air flow.

The present invention discloses a clinical displacement bracket, wherein a lifting column is used to adjust the height of a lower broken bone, a sliding platform can adjust the spacing of long bone cross sections, a cold light lamp is used to provide supplementary lighting for the lower side of a limb, a supporting frame is installed at the front end of the sliding platform and is rotatably connected to a swinging frame, a rotating frame is installed at the inner side of the swinging frame and forms a rotating pair, and a slewing frame is installed at the lower end of the slewing frame and forms a rotating pair, thereby realizing the lateral swing angle adjustment of the lower broken limb; a supporting arc plate is fixedly installed at the upper side of the slewing frame, two splints are rotatably installed at the upper ends of both sides of the supporting arc plate, two arc sliding bars are installed at the lower side of the supporting arc plate and form a rotating pair, the two arc sliding bars are respectively connected to the two splints through two connecting rods, and a second motor simultaneously drives the two arc sliding bars to rotate in opposite directions through a gear meshing structure, thereby enabling the two splints to fix the lower broken limb; a control system can collect stereoscopic image information of the fracture position through a medical X-ray machine, and control the displacement bracket to complete the automatic reduction of the long bone fracture.

A chemical experiment training device is characterized in that in the actual use process, the chemical experiment training device in front of a training tutor is operated, a camera shooting assembly is turned on, a control device is operated, scenes shot by the camera shooting assembly are presented on a plurality of display screens, a moving assembly is operated, and a lighting assembly is moved between the display screens and a first visual window; according to the utility model, a scene above the first visual window is illuminated, and experiment operation is carried out right above the first visual window, so that students can observe on the corresponding display screens, and training is completed; the scene on the experiment table in one chemical experiment training device can be presented on the display screens in other chemical experiment training devices, so that more students can be trained at one time; the operation process is carried out above the first visual window illuminated by the illumination assembly, so that the observation is more convenient; in general, by using the chemical experiment training device, more students can be trained at a time, and the training effect is better.

The utility model discloses a self-cleaning non-blind area color liquid level meter which comprises a liquid level meter body and a blow-off pipe, the upper end and the lower end of the liquid level meter body are both communicated with the blow-off pipe, an air valve is arranged at the position where the upper end of the liquid level meter body is communicated with the blow-off pipe, and a water valve is arranged at the position where the lower end of the liquid level meter body is communicated with the blow-off pipe. The two ends of the top of the liquid level meter body are communicated with condensers, the two condensers are connected through an air inlet pipe, the liquid level meter has the functions of strong flushing, whole-course color display, differential pressure protection and the like, scale can be flushed, whole-course color display can be achieved, observation is clearer, corrosion of scale to an observation container is avoided, and the service life of the liquid level meter is prolonged. The maintenance intensity and the maintenance cost are reduced, the risk is reduced, and the safety coefficient is improved.

The utility model discloses a parking device oil cylinder solenoid valve test bench, which relates to the field of test benches and comprises an equipment box, a main electrical control cabinet is fixedly mounted on one side of the top surface of the equipment box, an industrial personal computer is movably mounted on the top surface of the main electrical control cabinet, an A feeding frame is fixedly mounted on the top surface of the equipment box, and a B feeding frame is movably mounted on the top surface of the equipment box. A feeding frame B is fixedly arranged on one side of the feeding frame A. A feeding frame C is fixedly arranged on one side of the feeding frame B. Servo motors are fixedly installed on one side of the feeding frame A, one side of the feeding frame B and one side of the feeding frame C. Through the arrangement of the feeding frame A, the feeding frame B and the feeding frame C, when a parking device oil cylinder electromagnetic valve is conveyed, an external power source is communicated, the servo motor drives the left rotating roller to rotate, then the conveying belt is driven to rotate, and the right rotating roller rotates along with the conveying belt, so that the three sets of conveying mechanisms can conduct conveying respectively; when an oil cylinder, an electromagnetic ball valve and an electromagnetic overflow valve are tested, working procedures do not interfere with one another, and waiting time is shortened.

The utility model provides a pelvic floor muscle rehabilitation device for treatment, which relates to the technical field of medical equipment and comprises a seat cushion, a backrest is arranged on the back of the seat cushion, heating pads are arranged at the top end of the seat cushion and on the front side of the backrest, a handle is arranged on the back of the backrest close to the top end, a supporting plate is arranged below the seat cushion, and the supporting plate is arranged on the back of the seat cushion. The pelvic floor muscle rehabilitation device comprises a supporting plate, a cushion is arranged on the supporting plate, a bioelectric therapeutic instrument is arranged between the cushion and the supporting plate, supporting frames are symmetrically arranged on the two sides of the supporting plate, handrails are arranged at the top ends of the two supporting frames, refrigeration pads are arranged on the sides, close to the cushion, of the handrails, and a rotating shaft is arranged at the bottom of the supporting plate. According to the pelvic floor muscle rehabilitation device for treatment, a user can use the pelvic floor muscle rehabilitation device more comfortably, the device can be moved more easily and conveniently when the device needs to be moved, and the comfort of the pelvic floor muscle rehabilitation device for treatment during treatment and the convenience and practicability of the pelvic floor muscle rehabilitation device during movement are improved.

The invention discloses a citrus orchard image data acquisition and annotation method, which relates to the technical field of image acquisition, and further comprises a factor analysis module, a default module, an image data standardization module, an image database module, an abnormal image analysis module, an abnormal root analysis module and a correction module. The system has the advantages that the quality of the acquired citrus orchard image can be obviously improved through the default module, the state and details of the fruit tree can be observed more clearly, the weather state information at the current acquisition time can be acquired by using the image data standardization module, the data is adjusted according to the image definition, and parameter adjustment data is generated, so that the accuracy of the system is improved. The reliability and the stability of image acquisition are improved, excessive influence of external factors such as weather change is avoided, the reason of the abnormal condition of the fruit tree can be analyzed according to the abnormal condition information of the fruit tree by utilizing the abnormal root analysis module, and the efficiency and the effect of problem solving are improved.

The projection system includes an illumination device and an optical filter. The illumination device emits illumination light. The lighting device projects the projection pattern onto the projection surface. The average transmittance of the optical filter in the wavelength band of the illumination light emitted from the illumination device is higher than the average transmittance of the optical filter in the visible light wavelength band other than the wavelength band of the illumination light.

This utility model relates to the field of battery inspection technology and discloses a placement rack for solid-state battery inspection, including an inspection table. A limiting component is provided above the inspection table, and an adjusting component is fixedly connected between the inspection table and the limiting component. A linkage frame is fixedly connected to the top of the movable end of the limiting component. The front end of the linkage frame extends to the top of the inspection table and is threadedly fitted with an adjusting rod. A puncture rod is fixedly connected to the lower end of the adjusting rod, and a second knob is fixedly connected to the upper end of the adjusting rod extending to the top of the linkage frame. The limiting component includes a limiting sleeve fixedly connected to the top of the adjusting component, and a limiting cavity is formed inside the limiting sleeve. Due to the setting of the limiting component, with the cooperation of the adjusting component, the linkage frame and the puncture rod can be slowly and automatically moved downward as a whole, achieving an automatic puncture effect and avoiding the safety hazards caused by manual close-range operation by personnel.

The utility model relates to the technical field of road construction, in particular to a night construction lighting device for road construction, which comprises a box body, the right side of the top of the box body is connected with a pull rod through a bolt, and the front side of the pull rod is connected with a controller through a bolt. Through cooperation of the motor, the threaded rod, the check block, the movable plate and the convex lens, the adjusting function is achieved, focusing adjustment can be conducted on light emitted by the illuminating lamp, a user can start the motor through the controller, the motor drives the threaded rod to rotate, the threaded rod drives the movable plate to move leftwards, and the movable plate drives the convex lens to move leftwards; and when the right side of the convex lens is far away from the illuminating lamp, light rays emitted by the illuminating lamp can be slowly focused, so that a user can observe a construction area more clearly, the phenomena that the user feels labor-consuming when seeing things with eyes in the construction process, and asthenopia occurs are avoided, and the operation is more convenient.

The utility model discloses a hospital infection monitoring management device based on the Internet of Things, and belongs to the technical field of hospital infection monitoring management devices, the hospital infection monitoring management device based on the Internet of Things comprises a shell and a heat dissipation net, the heat dissipation net is arranged in the shell, a dismounting assembly is arranged between the heat dissipation net and the shell, and the dismounting assembly is connected with the shell. A display screen is arranged on the outer surface of the shell, a dustproof assembly is arranged on the outer surface of the display screen, the dismounting assembly comprises four mounting grooves formed in the shell, and rubber clamping blocks are clamped in the mounting grooves; through mutual cooperation of a mounting groove, a rubber clamping block, an inclined block, a first spring and a second spring, a heat dissipation net can be mounted on the surface of the shell, otherwise, the heat dissipation net can be dismounted, so that the operation time and steps of workers can be saved, and the working efficiency is improved; the operation steps and the time cost of workers are increased due to the fact that tools such as a screwdriver or a wrench are needed for dismounting or mounting in a traditional mounting mode are avoided.

The utility model discloses a breast volume measuring tool in breast cancer reconstruction operation, including measuring cup body (1), handheld handle (2) and fixed hook (3), its characterized in that: measuring cup body (1) is a cylindrical glass cup, and the bottom diameter is 9cm, and the height is 11.5cm, and the material is high borosilicate glass. The utility model can accurately, aseptically, quickly measure out breast tissue volume in breast cancer reconstruction operation, provides accurate data for the patient to select the appropriate size of prosthesis, improves breast cancer patient reconstruction operation satisfaction.

The invention relates to the technical field of coating production test devices, in particular to a salt water spray test machine for water-based coating production, comprising a salt spray machine body, a protective structure, a driving structure, a placement structure, a limiting structure, a sealing structure, a sealing groove, a spray tower, a round rod, a placement plate, a collector and a through hole; a placement rack in the placement structure is detachably connected to the salt spray machine body, so that when a group of metal parts is tested, another group of metal parts can be placed in the round rod and the placement plate on another placement rack; after the metal parts test is completed, it is only necessary to take out the placement rack in the salt spray machine body, and install the placement rack with the other group of metal parts in the salt spray machine body for testing, thereby improving the test efficiency; the arrangement of the driving structure facilitates driving a transparent cover to open and close; the arrangement of the limiting structure facilitates fixing the transparent cover after rotation, thereby improving the stability of the transparent cover.

The utility model provides a kind of monitoring data transmission box, it is applied to monitoring data transmission technical field.The monitoring data transmission box includes bottom plate setting with first sliding slot and second sliding slot, first sliding slot and second sliding slot are mutually parallel, bottom plate is set with metal strip between first sliding slot and second sliding slot, metal strip is provided with power supply device, bottom plate front end is provided with tab, tab and telescopic rod bottom end fixed connection, telescopic rod top end and first vertical plate fixed connection, first vertical plate bottom end is provided with first metal block and second metal block, first metal block slides along first sliding slot, second metal block slides along second sliding slot, first vertical plate top end is provided with lamp strip, first vertical plate rear end face top is provided with first rubber strip;Bottom plate is fixedly provided with second vertical plate, second vertical plate and first vertical plate are mutually parallel, second vertical plate front end face top is provided with second rubber strip.In this way, it can be convenient for worker to overhaul, improve overhaul efficiency, ensure that remaining monitoring can be normally used.

The utility model relates to the field of hinge production, and discloses a composite tapping machine for door and window hinge production, which comprises a support table, the rear side of the top end of the support table is fixedly connected with a support plate, the middle of the top end of the support plate is fixedly connected with a driving motor, and the driving end of the driving motor is fixedly connected with a rotating shaft. A supporting cylinder is fixedly connected to the bottom end of the supporting plate, a plurality of positioning blocks are evenly and fixedly connected to the periphery of the bottom side of the outer portion of the rotating shaft, a wedging block is embedded in the outer portion of the bottom end of the rotating shaft, a tapping tool is fixedly connected to the bottom end of the wedging block, and the outer portion of the supporting cylinder is connected with the tapping tool through a detachable fixing assembly. According to the device, the device can be suitable for machining more objects with different sizes, the use universality of the device is improved, use is convenient, the situation that the device is damaged due to scrap accumulation is avoided, the visibility of threads on the surface of the device after object lifting is completed is guaranteed, and clear observation is guaranteed.

The utility model relates to the technical field of laser welding, and discloses a power battery clamp-free laser welding device which comprises an operation table, the bottom face of the operation table is fixedly connected with a supporting frame, and the surface of the supporting frame is fixedly connected with an air draft assembly. According to the clamp-free laser welding device for the power battery, through the arrangement of the air draft assembly and the filtering assembly, when the clamp-free laser welding device for the power battery is used, an external power source is connected, an air draft fan is started, and smoke generated by laser welding of the power battery is collected through a smoke suction hood and reaches a filtering frame through an exhaust pipe; the activated carbon in the filter frame adsorbs harmful gas and tiny particles which may be contained in the smoke, so that the smoke is collected and filtered, the smoke and the gas have potential harm to human health, the symptoms such as respiratory tract stimulation, cough, sore throat, asthma, eye and skin stimulation and the like which may be caused by inhalation of the smoke and the gas are avoided, and the health care effect is achieved. And potential harm of laser welding to a human body is reduced.