42results about How to "Convenient flaw detection" patented technology

The invention provides a detection robot and a method for detecting the pouring quality of a concrete filled steel tube by using the detection robot. The detection robot comprises a mechanical electromagnetic mixing knocking hammer (1), a microphone (3) and a camera (7), wherein both the mechanical electromagnetic mixing knocking hammer (1) and the microphone (3) are respectively fixed on certainends of a knocking hammer mechanical arm (2) and a microphone mechanical arm (4) on the robot by virtue of an adjustable clamp (5), the other ends of the knocking hammer mechanical arm (2) and the microphone mechanical arm (4) are fixed on a control rotating stack (8) on the robot, the control rotating stack (8) is provided with a foundation support (9), the foundation support (9) is provided witha steering device (10), and the steering device (10) is provided with the camera (7).

The invention discloses a novel powerful paint remover capable of removing paint on surfaces of oilfield oil pipelines and paint on surfaces of other equipment efficiently. The preparation process comprises the steps of: taking dichloromethane, benzyl alcohol, ethyl acetate, ethylene glycol monobutyl ether, paraffin, ethanol, lactic acid, formic acid, urotropine, JFC and OP-10 according to weight parts; stirring the JFC, the OP-10, the benzyl alcohol, the ethyl acetate, the ethylene glycol monobutyl ether, the paraffin, the ethanol, the lactic acid, the formic acid and the urotropine in a reaction kettle at a temperature of 45-50 DEG C for 1.5-2 hours until the paraffin is completely dissolved; adding the dichloromethane and stirring for 20-30 min; and stirring uniformly in the reaction kettle to obtain the paint remover. The invention provides a paint remover which can efficiently remove old and shabby paint films on surfaces of various mechanical equipment and paint on surfaces of mechanical equipment, such as paint on metal surfaces of airplanes, paint on surfaces of train wheels and the like, brings convenience for fault detection and recoating on metal materials, has no damage to metal and wood surfaces, and has excellent paint removal performance.

The invention relates to the technical field of ultrasonic flaw detection equipment. An ultrasonic flaw detection apparatus comprises a portable ultrasonic detector and a detection probe, and also comprises a magnetic gauge stand and a movable support installed on the upper end face of the magnetic gauge stand; a free end of the movable support is provided with a clamping device; one end of the detection probe is installed in a chute at the end of the clamping device and is connected with an adjusting spring; and the periphery of a working end of the detection probe is provided with a plurality of spray pipes which are fixedly connected with the movable support and communicated with an automatic water tank. The ultrasonic flaw detection apparatus is simple in structure, convenient to adjust and rapid in mounting and dismounting, and is capable of satisfying requirements of most of working conditions, especially flaw detection requirements of relatively large specification aluminium rods.

The invention discloses an ultrasonic flaw detection device. The ultrasonic flaw detection device comprises a base, wherein a top end of the base is connected with a box body through screws; a right end of a front side of the box body is connected with a controller; a valve is connected to the center of a bottom end of a front side of the box body in a threaded manner; support legs are welded at the four corners of the top end of the base; a rotary mechanism is welded at the top ends of the support legs; a water pump is connected to the center of the back side of the box body through screws; the water pump is electrically connected with the controller; the water inlet of the water pump is in threaded connection with one end of a water inlet pipe; the other end of the water inlet pipe is inthreaded connection with the center of the bottom end of the back side of the box body; a water outlet of the water pump is in threaded connection with one end of a water outlet pipe; and the other end of the water outlet pipe is connected with the rotary mechanism. During use of the ultrasonic flaw detection device, steel tubes of different thicknesses can be detected, and the steel tubes can rotate uniformly to prevent missing of detection. The ultrasonic flaw detection device has the advantages of high automation degree, high detection efficiency and convenience in popularization.

The invention relates to a start-up heating furnace coil pipe production method of a synthetic ammonia device. The start-up heating furnace coil pipe production method includes welding and installing materials straight pipes one by one, and then processing the welded and installed straight pipes into coil pipes by a spiral coiler. Compared with the existing method of producing single coil pipe and then welding and installing, the start-up heating furnace coil pipe production method of the synthetic ammonia device greatly improves processing quality and working efficiency, and reduces production cost.

The invention discloses a drilling pump with a T-type pump head. The drilling pump with the T-type pump head is mainly formed by a shell body, a discharge liquor cylinder arranged on the shell body, a discharging pipe connected and communicated with the discharge liquor cylinder, a suction liquor cylinder connected and communicated with the discharge liquor cylinder, and a suction pipe connected and communicated with the liquid suction cylinder. A piston device communicated with the discharge liquor cylinder is arranged inside the shell body. The invention further discloses a supercharging method based on the drilling pump. The drilling pump with the T-type pump head is in a compact structure and a suction chamber is canceled, the volume and the quality of the drilling pump with the T-type pump head are both reduced by 25% - 30%. The drilling pump with the T-type pump head is easy to process and manufacture, convenience is brought to flaw detect and inspection, and can ensure the quality of pump head products. Slurry is sucked horizontally, the clearance volume in the pump head cylinder is small, the suction efficiency and the volumetric efficiency of the drilling pump are improved; liquid flow is smooth, pressure fluctuation and pressure vibration are reduced, and drilling pump impact loads are also reduced. The change of a suction valve is very convenient and time-saving, and the workload of dismounting and changing is little.

The invention relates to the field of bridge concrete barrier overhauling device and in particular relates to an automatic flaw detection device for cracks of a bridge concrete barrier. The automaticflaw detection device comprises two guide structures, a first driving structure, flaw detection structures, a second driving structure, a third driving structure, a push rod, a supporting frame, a fixing structure and a sliding structure, wherein the sliding structure is arranged at the bottom end of the supporting frame; the supporting frame is provided with the fixing structure for clamping a barrier; the supporting frame is provided with the third driving structure for driving the fixing structure; the supporting frame is provided with the two guide structures which are symmetrically arranged; the guide structures are connected to the second driving structure; each guide structure internally provided with the flaw detection structure which is in sliding connection; each flaw detection structure is connected to the first driving structure connected onto the supporting frame. According to the automatic flaw detection device provided by the invention, the two guide structures which aresymmetrically arranged are arranged at two ends of the supporting frame; the guide structures are provided with the flaw detection structures which are connected through the first driving structure,so that the first driving structure is used for driving the flaw detection structures to carry out flaw detection on the concrete barrier in all directions.

The invention discloses pump part machining and flaw detection equipment. The pump part machining and flaw detection equipment comprises a machine base, universal wheels and a machining and a flaw detection box body, wherein the inner cavity of the machining and flaw detection box body is divided into a left side machining chamber and a right side cleaning and flaw detection chamber through a partition plate, a first supporting plate is arranged in the middle of the left side machining chamber cavity, a pump part intelligent machining device is arranged at the upper end of the first supportingplate, a feeding mechanism is arranged at the lower end of the left side machining chamber cavity, the feeding mechanism is composed of first screw rods, feeding plates, a worm and worm wheels, the right side cleaning and flaw detection chamber is provided with a second supporting plate, a cleaning and flaw detection assembly, a water collecting tank and a belt conveyor, and the cleaning and flawdetection assembly is composed of a disc shaped placing frame, an air cylinder, a pressing plate, an arc-shaped groove, an arc-shaped seat, a second screw rod, a sliding seat, a water spraying head,a drying head, an ultrasonic flaw detector and a transmission assembly.

The invention provides an ultrasonic flaw detection tooling for direct-axis parts. The ultrasonic flaw detection tooling comprises a working table board, a workpiece support track arranged at the middle position of the working table board, a workpiece rotating device arranged at one end of the working table board, an oil sprinkling system, a workpiece translating mechanism in sliding connection with the working table board and a workpiece lifting mechanism arranged on the workpiece translating mechanism. Multiple direct-axis parts to be subjected to flaw detection can be arranged on the workpiece support track of the ultrasonic flaw detection tooling for one time by a crown block, for instance, two flaw detection toolings can be used for performing flaw detection on 15 axles or so for half a day through statistics, so that the axles can be hoisted on the workpiece support track for one time in the morning and then hoisted down from the workpiece support track for one time in the afternoon, and no crown block is required during the operation, therefore, the ultrasonic flaw detection tooling for the direct-axis parts is less dependent on the crown block, and the labor cost and the using cost of the crown block are reduced.

The invention discloses a large-thickness high-toughness S500QL1 steel plate and a production method thereof. The steel plate comprises chemical components: by mass, 0.12-0.14% of C, 0.20-0.40% of Si,1.00-1.25% of Mn, 0.80-1.10% of Ni, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.020-0.040% of Nb, 0.30-0.50% of Cr, 0.40-0.50% of Mo, 0.020-0.045% of Al during preparationof steel ingots, 0.060-0.090% of Al during preparation of electroslag ingots, and the balance Fe and inevitable impurities. The preparation method comprises the steps of heating, rolling and heat treatment. By adjusting the design of the chemical components of the steel plate and through cooperation of high-temperature large-reduction rolling and the reasonable heat treatment regime, it is guaranteed that the steel plate has the good structural and comprehensive properties and welding performance, and the production cost is reduced.

The invention discloses a preparation method of a special coupling agent for ultrasonic flaw detection on a rough surface, belonging to the technical field of preparation of coupling agents. The preparation method comprises the following steps: firstly, soaking wheat straws in biogas broth to initially degrade and activate wheat straw fibers; secondly, cutting the straws, soaking the straws in lime water, digesting the straws, then putting the straws in a stone mortar, beating the straws, then putting short straws in a sodium hydroxide solution, and dissolving lignin in the straw fibers by using microwave heating combined with high-pressure heating treatment; and finally, mixing filter cakes with chloroacetic acid, performing centrifugal separation after heating reaction, and drying a precipitate into powder, thereby obtaining the special coupling agent for ultrasonic flaw detection on the rough surface. According to the preparation method provided by the invention, the wheat straws, which are low in price and easy to obtain, are used as a raw material, the obtained product only needs to be confected to be with different viscosities for direct use, the product is green and nontoxic, the surface of a workpiece can be washed directly with water after completion of flaw detection, and soil and water are not polluted. By use of the coupling agent, the problems that a conventional coupling agent for ultrasonic flaw detection on the rough surface pollutes a workpiece after use and is difficult to clean and recover are effectively solved.

The invention discloses a drilling pump with a T-type pump head, and the drilling pump with the T-type pump head is substantially formed by a shell body (1), a discharge liquor cylinder (2) arranged on the shell body (1), a discharging pipe (12) connected and communicated with the discharge liquor cylinder (2), a liquid suction cylinder (3) connected and communicated with the discharge liquor cylinder (2), and a suction pipe (4) connected and communicated with the liquid suction cylinder (3). A piston device communicated with the discharge liquor cylinder (2) is arranged inside the shell body (1). The drilling pump with the T-type pump head is in a compact structure and cancels a suction chamber, the volume and the quality of the drilling pump with the T-type pump head are reduced by 25% - 30%. The drilling pump with the T-type pump head is easy to process and manufacture, convenient to flaw detect and inspect, and can ensure the quality of the pump head products. Slurry is sucked in a horizontal mode, the clearance volume in the pump head cylinder is small, the suction efficiency and the volumetric efficiency of the drilling pump are improved; liquid flow is smooth, the pressure fluctuation and vibration is reduced, and the drilling pump impact load is also reduced. The change of a suction valve is very convenient and time-saving, and the workload of dismounting and changing is little.

The invention belongs to the technical field of high polymer material testing, and discloses a high polymer material sample preparation system and a sample preparation method. The system comprises a base, the base comprises a top plate and supporting legs arranged below the top plate, in the length direction of the top plate, one end of the top plate is the head end, the other end of the top plate is the tail end, a pair of driving rollers is arranged at the two ends of the top plate, an annular conveying belt matched with the driving rollers is further arranged on the top plate, and a clamping device is arranged on the conveying belt; a thinning device, a flaw detection device, a blanking device, a material picking device and a waste recovery device are sequentially arranged on the top plate from the head end to the tail end of the top plate. The system further comprises a control module for controlling linkage of the material clamping device, the thinning device, the flaw detection device, the blanking device, the material picking device and the waste recovery device. The problems that in the prior art, the automation degree is low during sample strip preparation, internal defects of sample strips are difficult to detect, cut-off knife storage is not changed, and manpower and resource waste is serious are solved.

The invention discloses a pressurization method based on a drilling pump provided with a T-shaped pump head. The pressurization method comprises that (a) a suction tube is installed on a suction hydraulic cylinder, and the facts that the suction tube is communicated with the inside of the suction hydraulic cylinder and connecting ports of the suction tube and the suction hydraulic cylinder are sealed are guaranteed; (b) a suction valve and a discharge valve are opened, and a piston device is started; (c) liquid is sucked into the suction hydraulic cylinder from a suction flange and enters into a discharge hydraulic cylinder through the suction valve; (d) through reciprocating movement of the piston device, pressurization is carried out on liquid entering into the discharge hydraulic cylinder; and (e) the pressurized liquid is finally discharged through the discharge valve. According to the pressurization method, the structure is compact, and the size and mass are both reduced by 25%-30%; machining and manufacturing are easy, crack detection and inspection are convenient, and quality of pump head products can be guaranteed; slurry is horizontally sucked, and suction efficiency and volume efficiency of the drilling pump are improved; liquid flow is stable, fluctuation and vibration or pressure are reduced, and impact load of the drilling pump is reduced; and replacement of the suction valve is very convenient, time is saved, and workload of disassembling, installation and replacement is little.

The invention is suitable for the technical field of magnetization flaw detection, and provides an MT U-shaped magnetizer device which is characterized in that a first flaw detection assembly comprises a first red copper bar set and a second red copper bar set which are arranged in parallel, a second flaw detection assembly and a third flaw detection assembly are symmetrically and obliquely arranged at the two ends of the first red copper bar set and the two ends of the second red copper bar set correspondingly and fixedly connected with the first red copper bar set and the second red copper bar set, and the cross sections of the first flaw detection assembly, the second flaw detection assembly and the third flaw detection assembly are in a U shape. By adopting the longitudinal U-shaped magnetizer device, three-dimensional magnetic field magnetization in the X direction, the Y direction and the Z direction can be achieved, and meanwhile, polarity-changing attenuation demagnetization can be tangentially carried out on the inner hole end face, the sharp corner, the periphery of a hole, the abrupt change part of the cross section, steps, the edge of a plate wall and magnetic fields deep in different directions of the special-shaped part through the longitudinal U-shaped coil.