107 results about "Easy fatigue" patented technology

The present invention provides a method to automatically regulate brightness of liquid crystal displays (LCDs), which resolves the overload and easy fatigue of human eyes and poor image contrast due to high brightness of the conventional LCD. The present invention includes use of four parts, including an image brightness regulating unit, an image brightness ratio computation and output controlling unit, an ambient light detection and brightness adaptation regulating unit and an image gray level expanding unit. The image signals of an LCD are processed in such a manner to enable automatic control of optical flux of LCD TV by regulating the gray level of output images. Also, optical flux of LCD TV can be automatically controlled with the change of images and ambient light, thus alleviating overburdening of human eyes and improving the contrast and comfort of images for a better visual effect.

A vacuum cleaner having a joint assembly to selectively rotate an extension pipe with respect to a handle. The joint assembly has a joint body removably installed between the extension pipe and the handle to allow the extension pipe 130 to rotate with respect to the handle 140 within a predetermined range. Also included on the joint assembly is a supplemental handle protruding from an outer surface of the joint body. The joint assembly and supplemental handle allow the user to clean under a bed or a desk without having to bend his / her back too much. Therefore, the user is not easily fatigued even when he / she cleans under the desk or bed.

The invention discloses a high-precision sub-pixel circular part measuring method, which comprises the following steps: step 1, obtaining the original drawing of the circular part; step 2, binarizingthe original image obtained in the step 1, and then finding the contour of the binary image by using findContours algorithm, then, by setting the maximum and minimum value of the contour area, selecting the circular contour which meets the measurement needs, and obtaining the lowest circumscribed rectangle of the circular contour so as to obtain the ROI image of the region where the circle to be measured is located. The invention greatly improves the detection speed and the detection precision of the circular part, thereby improving the detection efficiency of the part and avoiding the shortcomings of easy fatigue, high cost, high strength and the like caused by the traditional manual detection.

The invention provides a traffic monitoring image-based automatic detection system for a safety belt non-fastening behavior of a driver. The system comprises a module for extracting a to-be-detected region of the safety belt and a module for judging whether the driver fastens the safety belt or not; the module for extracting the to-be-detected region of the safety belt comprises a license plate detection sub-module, a driver region extraction sub-module, an image enhancement sub-module, a human face detection sub-module and a safety belt detection region extraction sub-module; the module for judging whether the driver fastens the safety belt or not adopts a straight line detection-based safety belt judgment method; and the straight line detection-based safety belt judgment method is used for detecting an edge straight line section of the safety belt by using a Canny edge detection algorithm and a progressive probabilistic Hough transform straight line detection algorithm. The safety belt non-fastening behavior of the driver can be accurately and quickly detected and recorded, so that the disadvantages of high labor cost of manual identification, easy fatigue, easy negligence and the like are effectively overcome, and the safety belt non-fastening driving behavior of the driver is effectively inhibited.

The present invention relates to the technical field of robot control and particularly relates to a multi-DOF manipulator independent grabbing inverse solution engineering algorithm. When each joint angle is calculated, firstly a waist rotation angle is calculated and then is converted into a plane problem, the solution efficiency is facilitated, the problems of complexity brought by an inverse matrix solution way and large mental burden and easy fatigue of an operator are avoided, and the grabbing efficiency is improved further. In addition, according to the algorithm, a target position is obtained by using a binocular vision camera unit or judged artificially such that a host computer control system determines the three-dimensional coordinate of a suspected object relative to a vehicle body and a corresponding control command is sent back, the accurate positioning and grab of the target can be realized further, and thus the grabbing efficiency is improved further.

A portable forward leaning seating device to be used on a bleacher at sporting events to provide the user with superior support to that portion of his back which is most susceptible to fatigue and pain. The device consists of a padded seat (10) attached to a seat frame (12) which is securely attached to the bleacher by a spring loaded hook (42). The user sits on the padded seat (10) by facing the sporting event with the adjustable vertical support sleave (14) positioned between the user's thighs. The user rests his arms on the padded horizontal arm rests (16) which are positioned using the adjusting knob (32) and spring loaded tab (38) in such a way to provide comfortable support to the torso of the user in a forward leaning fashion. The lock clasp (20) serves to lock the vertical support armature (18) securely in place.

The invention discloses an automobile traveling mechanism wheel hub comprehensively drive and turning, aiming to solve the problems of easy fatigue damage, low vehicle stability, and the like. the automobile traveling mechanism comprises a wheel assembly, a suspension assembly and a turning assembly, wherein the turning assembly comprises a worm wheel bracket (14), a worm wheel (15), a worm (23),a turning motor (24), a coupler (25) and a double-fork type transmission assembly, wherein the double-fork type transmission assembly consists of an upper fork arm (7), a lower fork arm (22), a low friction hinge, an upper spherical hinge (5) and a lower spherical hinge (6); the suspension assembly comprises a shock absorber sleeve barrel, a spiral spring (2), a shock absorber (3), a lower springseat (4) and an upper spring seat (27); the wheel assembly comprises a wheel (11), a hub motor (12), a shaft head (13) and a wheel bracket (10); the worm wheel bracket (14) is sleeved in the middle ofthe shock absorber sleeve barrel and is horizontally fixed on an automobile frame, and a wheel bracket (10) is fixedly connected with the lower end surface of the shock absorber sleeve barrel.

The invention provides an anti-hypoxia and anti-fatigue nutritional health-care product, which comprises rhodiola rosea, Szechuan lovage rhizome, gastrodia tuber and pseudo-ginseng serving as active ingredients, schisandra, Chinese wolfberry, ginseng, Chinese angelica, prepared rhizome of rehmannia, astragalus, licorice, dietary materials and pharmaceutically conventional auxiliary materials. Mouse function experiments show that the product is anti-hypoxia and anti-fatigue, has the effects of improving the memory, enhancing the immunity, improving the sleep, improving microcirculation, resisting oxidation and delaying senility, and is suitable for physical and mental workers, persons requiring memory improvement and crowds suffering from easy fatigue, low immunity, poor sleep and easy hypoxia caused by cardio-cerebral vascular system disorders or respiratory system disorders.

The invention relates to an electric wheelchair with a massage function which is convenient for an electric wheelchair rider incapable of independently walking, and solves the problems of the easy fatigue and bedsore generation because the existing product can not carry out hip massage on patients. For the above purposes, the electric wheelchair of the invention takes a singlechip as a core control chip, comprises an electric wheelchair controller, a serial communication interface, a massage control singlechip, an air bag control unit, an air pump unit, a power source contravariant unit, an abnormal protection unit, a power source unit and the like, and is characterized in that the I / O port of the massage control singlechip is respectively connected with the air bag control unit, the power source contravariant unit and the abnormal protection unit; and the electric wheelchair controller is connected with the serial communication interface and the massage control singlechip and utilizes procedures solidified in the singlechip to drive each unit to operate in a controlled mode. The invention can be used for designing, developing and manufacturing the electric wheelchairs.

The invention discloses an electric iron, which relates to the technical field of industrial electronic tools and solves the problem that hand fatigue is caused easily when the conventional electric iron is held by hand, the problem that operation cannot be performed in a welding process due to limitation of a narrow space, the problem that the swinging of a power wire affects the use of the electric iron, and other inconvenience problems. The invention adopts a technical scheme that: the electric iron comprises an iron handle, an iron rod and an iron head, wherein one end of the iron rod is connected with the iron handle, and the other end of the iron rod is connected with the iron head; and the electric iron is characterized in that: the iron handle comprises a handle body and a handle head, the front end of the handle body is connected with the side wall of the handle head through a hinge structure, and the iron rod is arranged on the top part of the front end of the handle head of the iron handle. The angles of the iron handle and the iron rod can be regulated according to the needs in operation, and the electric iron can be held by hand comfortably; and when the electric iron is operated in a narrow space, only the front end of the iron handle of the electric iron is put in the narrow space, the part of the rear end of the iron handle is kept outside the narrow space, and thus, multi-angle, multi-direction and flexible welding operation can be performed.

The body building scooter has head handlebar, two tread frames connected via connecting seat to the head handlebar, and wheels below the head handlebar and the tread frames. Each of the tread frames includes connecting rod, tread, wheel hinged via the wheel holder to the connecting rod, and repositioning spring connecting the wheel holder with the connecting rod. There are also one inner limiting block in the site for the connecting rod to be hinged to the connecting seat and two outer limiting pins outside the connecting rods. The present invention has the advantages of balanced two leg sports, flexible and variable sports modes, etc.

The invention relates to self-fused alloy powder for plasma spray welding, which is used for forming high-intensity abrasion-resistance layers. The alloy with a recipe comprises the following ingredients: 33 to 40 percent of chromium, 12 to 19 percent of titanium, 6 to 13 percent of nickel, 2 to 5 percent of vanadium, 2 to 6 percent of molybdenum, 4.5 to 5 percent of boron, 2 to 3 percent of silicon, 4 to 5.5 percent of carbon and the balance of iron. The invention is particularly suitable for the plasma spray welding on the surfaces of easy-fatigue and easy-abrasion work pieces, the spray welding layer has the performance such as wear resistance, heat resistance, corrosion resistance, oxidation resistance, high rigidity, high hardness and the like, and has the advantages of compact crystal, few air holes, few cracks and little slag inclusion.

The invention discloses a damping device capable of offsetting floor slab disturbance caused by pump tube impacting. The existing problem that a floor slab is impacted resulting in the existent of easy fatigue and damage of floor slab concrete when concrete pouring is conducted on walls, beams, slabs and columns is solved. The damping device comprises a rectangular vertical steel plate framework penetrating through a floor slab hole, a horizontal steel plate framework is fixed on the outer side wall of the rectangular vertical steel plate framework, an expansion bolt connected with the floor slab penetrates through the horizontal steel plate framework, vertical connecting plates corresponding to the side walls of the rectangular vertical steel plate framework one by one are arranged on theinner sides of the rectangular vertical steel plate framework, the part between each vertical connecting plate and the corresponding inner wall of the rectangular vertical steel plate framework is provided with a damping spring which is connected with the vertical connecting plate and the corresponding inner wall of the rectangular vertical steel plate framework, and rollers are arranged on the inner sides of the vertical connecting plates. By means of the damping device, the disturbance in the horizontal and vertical directions of the floor slab caused by the impacting force of a pump tube when the pump tube penetrates through the floor slab is greatly relieved, the damping effect is greatly improved, the problems of fatigue and damage of a middle layer floor slab are prevented, and theconstruction quality of floor slab concrete is ensured.

The invention provides a special bracket used for detecting tunnel lining through a geological radar antenna, and belongs to the field of tunnel detection. The special bracket consists of a fixed tray, a lifting apparatus, a connecting rod, a direction changing shaft and a fixed bracket; the bracket fixed tray consists of a fixed plate, bolt holes, a positioning hole and a positioning probe; the fixed plate can be fixed on a compartment handrail of a motor vehicle through four bolts; the direction and angle of a supporting rod can be adjusted through an azimuth hole; and the direction and angle of the supporting rod can be fixed through the positioning probe. By virtue of the special bracket, the problems of easy fatigue, high potential safety hazards, man-made interference to collection of calibration data, no guarantee on detection equality, discontinuous detection, labor consumption and time consumption in manpower lifting of the geological radar antenna in the tunnel lining qualitydetection can be solved.

The invention discloses a device capable of automatically adjusting the rigidity of a flexible blade of a wind turbine. The device aims at mainly solving the technical problems of easy fatigue and damage and the like in the existing flexible blade. The device is charachterized in that the two ends of an extension spring (8) and a compression spring (9) are respectively connected with a front-end fixed block (5) and a moving inertial block (4) embedded in a linear guide rail (10); one end of each steel wire rope (6) is connected with the inertial block (4); the steel wire rope (6) bypasses a fixed pulley (3) fixed on a supporting block (2), and then penetrates through the front-end fixed block (5) to be connected with a tail-end fixed block (7); two steel wire ropes (6) are symmetrically distributed at the two sides of the inertial block (4). The device disclosed by the invention has the advantages that the structure is simple, the manufacture and the maintenance are convenient, the rigidity of the flexible blade of the wind turbine can be automatically adjusted along with the change of wind speed. In addition, the device has the advantage of expanding the wind-speed range for operation of the wind turbine, and is mainly used for the field of blades of wind-power generation equipment.

The invention provides an ultra high performance concrete rib plate with a rib bottom steel plate and a machining method thereof. The ultra high performance concrete rib plate with the rib bottom steel plate is mainly to solve technical problems, such as easy fatigue cracking, poorer tensile and compressive performance, low section utilization efficiency and high cost, of an existing ultra high performance concrete rib plate. The key point of the technical scheme is that more than three plate ribs (2) are arranged at the bottom of a panel (1) to be connected with the panel (1) to form a wholebody; a reinforcing mesh (5) is arranged in the panel (1); the rib bottom steel plate (3) is arranged at the bottom of a rib body (7); a shear connector (4) is arranged on the upper surface of the ribbottom steel plate (3); a hoop (6) is arranged at the lower part of the reinforcing mesh (5); the hoop (6) is fixedly connected with the shear connector (4) so that the reinforcing mesh (5) is connected with the hoop (6) and the shear connector (4) to form an integral reinforcement structure; and ultra high performance concrete is poured outside the reinforcing mesh (5), the hoop (6) and the shear connector (4) to form the panel (1) and the plate ribs (2) which are connected to form a whole body.

The invention provides a double-sided screen touch control method, which is applied to a double-sided screen terminal. The double-sided screen terminal comprises a main screen and a sub-screen. The method includes the following steps: setting a touch function of the secondary screen when detecting a secondary touch setting command; Receiving a touch signal on the sub-screen based on the set touchfunction of the sub-screen; Processing the received touch signal to obtain a corresponding touch action data signal; outputtihng The touch action data signal to the main screen to respond to the touchaction data signal and displaying a corresponding touch action on the main screen. The invention also provides a double-sided screen terminal, a readable storage medium. The invention solves the technical problems of poor manipulation of user fingers and easy fatigue of user fingers existing in the multi-fingered operation mode of the prior mobile terminal.

The invention discloses a refreshing edible gum and a preparation method; the refreshing edible gum is made through the following steps: wheat gluten, microcrystalline cellulose, monoglyceride, protein sugar or sodium cyclamate, capsaicin, citric acid and menthol are evenly mixed; sorbitol, water, glycerol and edible flavor are added into the mixture and evenly stirred; the mixture is heated to 55-60 DEG C, insulated and left for 0.5-3 hours and rolled into thin slices; the thin slices are cut into strips; then the strips are vacuum-packaged one by one, and then sterilized to obtain the refreshing edible gum. The refreshing edible gum can help to elevate the emotion, eliminate body fatigue, maintain a clear head and overcome the symptoms of easy fatigue and cachexia of sub-health population; besides, the gum also has the effects of lipid lowering and weight losing. The raw materials of the refreshing edible gum are edible and cause no pollution to the environment, and the gum can be swallowed after chewing.

The invention discloses an automatic driving positioning control method for a coke oven electric locomotive, and relates to the technical field of automatic control of coke oven production vehicles inthe coking industry. The realization method comprises the following steps: a second vehicle-mounted PLC controller obtains an address decoder on the electric locomotive through bus communication, andtransmits to the real-time address of a first vehicle-mounted PLC controller and the target address set by a ground main controller of a four-vehicle interlocking system; the distance deviation valueW is obtained after comparing; the running feedback speed of the electric locomotive is calculated according to the distance speed model and the control algorithm, and a gear signal is output to control the walking frequency converter; the electric locomotive is driven to finish the actions of walking positioning, automatic shifting and self-adaptive adjustment. The method can solve the problemsof poor positioning accuracy, long time consumption of vehicle shifting, high labor intensity, easy fatigue of personnel, incomplete linkage and large operation hidden danger in the prior art.

The invention is suitable for the field of tools, and discloses a filling device and a filling method for filling magnets in tool mounting holes. The filling device comprises a frame; and the frame isprovided with a mounting base for mounting fixed tools. The filling device further comprises a magnetic separation and dispersion mechanism for separating magnetic pieces from magnetic bars and filling the magnetic pieces in the tool mounting holes, and a displacement mechanism arranged on the frame for driving the magnetic separation and dispersion mechanism to move in the horizontal direction and the vertical direction; and the magnetic separation and dispersion mechanism is arranged above the mounting base. The filling device and the filling method for filling the magnets in the tool mounting holes overcome the problems of low efficiency, easy fatigue, easy finger injury, missing or excessive placement and different magnetic poles caused by manual placements of the magnets in SMT tools.

The invention provides an automatic fruit classifying machine, which comprises a machine frame, wherein a slide rail is arranged on the machine frame, a first support seat is arranged on the slide rail, a first motor is fixedly arranged on the first support seat, one side of the first motor is fixedly provided with a rotating shaft through a second support seat, and the rotating shaft is fixedly connected with a screening rolling tube. The automatic fruit classifying machine solves the problems that during the artificial fruit sorting, the efficiency is low, and fatigue can be easily caused during the artificial sorting. A mode of adopting the motor for driving the screening rolling tube is adopted for realizing automatic screening. The automatic fruit classifying machine has the advantages that the structure is simple, and the fruit sorting efficiency is improved.

The invention provides an efficient oil applying device for a track bolt. The problems that in the railway maintenance process, the number of needed workers is large, the efficiency is low, the manpower labor amount is large, and the workers feel fatigue easily are effectively solved. According to the technical scheme, the device comprises a shell, a panel is arranged inside the shell, a first bevel gear is arranged on the panel, a rotating shaft is arranged at the upper end of the first bevel gear, the rotating shaft is sleeved with a second bevel gear, a third bevel gear is arranged on the rotating shaft, a gap is formed between the second bevel gear and the third bevel gear, the portion, inside the gap, of the rotating shaft is of a spline structure, an end face gear is arranged insidethe gap, a cylinder block is arranged at the lower end inside a shell cavity, a spline hole is formed in the cylinder block, a hollow pipe is arranged inside the spline hole, a cylinder is arranged atthe lower end of the first bevel gear, the outer circumferential face of the cylinder is of a spline structure, and a sleeve hole is formed in the lower end of the cylinder block; the device is exquisite in structure, the number of workers needed in railway maintenance is effectively decreased, the oil applying efficiency is greatly improved, the labor intensity of the workers is lowered, and theautomatic degree of railway maintenance is increased.

The invention discloses a relay shell number automatic identification device. The automatic identification device comprises an image acquisition unit, a machine vision processing unit and a communication unit. The image acquisition unit is composed of a relay fixing platform, a mixed light source and an industrial camera. A relay to-be identified is placed on the relay fixing platform. The mixed light source and the industrial camera are both located over the relay fixing platform. The center line of the industrial camera coincides with the center line of the mixed light source, and the centerlines of the industrial camera and the mixed light source are right opposite to the placement position of a to-be-identified relay on the relay fixing platform. The image output end of the industrialcamera is connected with the input end of the machine vision processing unit, and the output end of the machine vision processing unit is connected with an external input system through the communication unit. According to the invention, the problems of high labor intensity, strong subjectivity, easy fatigue, low accuracy, manual input and the like in the existing manual identification method canbe solved, and the method has the characteristics of high identification accuracy and high input efficiency.

The invention provides an oil coating device for a railway sleeper bolt. The oil coating device effectively solves the problems of larger amount of workers, low efficiency, high labor intensity, and easiness in fatigue in the railway maintenance process. The oil coating device adopts the technical scheme that the oil coating device comprises a casing, wherein a flat plate is arranged in the casing; a sun gear is arranged at the upper end surface of the flat plate; the surrounding of the sun gear is engaged with a plurality of planetary gears; the outer side of each planetary gear is engaged with an inner toothed ring, and a first gear is arranged at the upper end of the sun gear; a cylindrical block is arranged in the casing, a spline hole is formed in the cylindrical block, a hollow pipeis arranged in the spline hole, a first cylinder is arranged on the hollow pipe, the outer circumference surface of the first cylinder is of a spline structure, the sun gear is rotated to drive the cylindrical block to rotate through the first cylinder, the lower end of the cylindrical block penetrates through a lower side plate of the casing, and a polygonal screw nut sleeve hole is formed in thelower end of the cylindrical block, is provided with a downward opening, and is concentric with the spline hole. The oil coating device has the advantages that the structure is skillful, the number of required workers in the railway maintenance is effectively reduced, the oil coating efficiency is greatly improved, the labor intensity is decreased, and the automation degree in railway maintenanceis improved.

The invention is suitable for the field of the manufacturing of lamps and provides an assembling tool of a lamp ring assembly, which is surface arranging the lamp ring assembly on a lamp shell, wherein a boss is arranged on the surface of the lamp ring assembly. The tool comprises a clamping ring sheathed on the lamp ring assembly, two handles are arranged on the clamping ring, a buckle used for clamping the boss is arranged on the lower surface of the clamping ring and comprises a lump body in which a slot is formed, and the width and the depth of the slot are adaptive to the width and the height of the boss. According to the assembling tool, the lamp ring is pressed by the clamping ring, the boss is clamped by the buckle, so that a lamp ring can rotate along with the rotation of the buckle, an operator only needs to press and rotate the handles, then the lamp ring assembly can be rapidly installed on the lamp shell, the problems of time and labor wasting and easy fatigue caused by manual installation can be effectively avoided, the production efficiency is improved, and the device has a simple structure, is convenient to operate, low in cost and can be widely used.

The invention relates to a keep-fit massage device and an operation method thereof. The keep-fit massage device comprises a leg clamping structure (2) used for fixing legs of a human body in a clamping mode, a massage assembly carrying support (1) mounted on the leg clamping structure (2) and used for carrying various massage assemblies, and an anus acupoint massage assembly mounted on the massageassembly carrying support (1) and used for conducting pressing and / or friction massage on acupoints nearby the anus of the human body. If the other massage assemblies are carried on the massage assembly carrying support, local blood circulation can be effectively promoted through the mode that the relevant acupoints and skin and muscles nearby the relevant acupoints are massaged by the various massage assemblies, and accordingly disease rehabilitation of a user is assisted; and the keep-fit massage device is fixed at the legs of the human body in a clamped mode for using, so that the keep-fitmassage device is equivalent to a wearable massage appliance and is not required to be held by the user by hand, and thus the user is not liable to feel fatigue when using the keep-fit massage device.

The invention discloses a bicycle for disabled persons and aims to overcome the defects that a disabled person of unilateral lower extremity amputation feels tired easily and has difficulty to keep balance in a riding process because the disabled person keeps applying force by one side of the body while using a conventional bicycle, and the disabled person is prone to a crash accident when the conventional bicycle is braked. The bicycle comprises a rear wheel, a bicycle frame and a chain wheel, wherein the bicycle frame is provided with a pedal and a driving chain plate; the chain wheel is coaxially provided with a driven chain plate; one end of the pedal is in rotational connection with the bicycle frame, and the other end of the pedal is in rotational connection with a connecting rod; the tail end of the connecting rod is in eccentric rotational connection with the driving chain plate; the driving chain plate drives the driven chain plate by virtue of a transmission chain; supporting rods are arranged on the left side and the right side of the rear wheel and provided with supporting wheels, rotating reset mechanisms and swinging control mechanisms; the rotating reset mechanisms and the swinging control mechanisms are used for enabling the supporting rods to rotate to reset to vertical positions; the bicycle frame is provided with positioning clamps for positioning the supporting rods in horizontal positions. The bicycle has the advantages that the amputation side of the disabled person of unilateral lower extremity amputation can also help apply force during riding, and the bicycle is prevented from falling down when braked and stopped.

The invention relates to the wine brewing field, and especially relates to a haw wine capable of prolonging life and strengthening the foundation. The haw wine capable of prolonging life and strengthening the foundation comprises the following raw materials: 60g of gen-seng, 60g of wolfberry, 60g of dioscorea rhizome, 60g of Chinese magnoliavine, 60g of asparagi radix, 60g of Tuber of Dwarf Lilyturf, 60g of raw rehmannia root, 60g of prepared rehmannia root, 2000ml of 500 haw wine and 8000ml of 200-600 haw wine. A preparation method comprises the following steps: immerding gen-seng, wolfberry, dioscorea rhizome, Chinese magnoliavine, asparagi radix, Tuber of Dwarf Lilyturf, raw rehmannia root and prepared rehmannia root in 2000ml of 500 haw wine for 2-3 months; distilling and purifying the immersed haw wine to 500-600 DEG, filling in a jar and embedding under ground for storing for 3-12 months; blending the 8000ml of 200-600 haw wine and immersed haw wine stored for 3-12 months, filling in the jar and embedding under ground for 3-12 months, removing and filtering, and blending to obtain the finished product. The haw wine has functions of benefiting qi and nourishing yin, and is capable of treating symptoms such as weakness of limbs due to deficiency of both qi and yin, easy fatigue, waist soreness and leg weakness, upset and dry mouth, palpitation and dreaminess, dizziness and premature graying of hair.

The invention discloses a novel combined chisel for welders, which is characterized in that: a wire brush is manufactured and integrated with the rear part of a chisel head; and a part of a chisel handle is manufactured into a spiral spring for buffering to a certain extent when the chisel knocks. The novel combined chisel for the welders has the advantage of overcoming defects of the conventional welding seam cleaning device of inconvenient operation with long auxiliary time for changing tools, low working efficiency, and no buffer, frequent hand shock, poor handfeel and easy fatigue of users during knocking metal welding seams by the chisel.