92results about How to "Achieve circular motion" patented technology

The invention discloses an intelligent anti-rollover control system for an oil tank truck and a use method. The intelligent anti-rollover control system comprises a truck frame, a tank body, multi-dimensional pneumatic pressing plate adjusting devices, a combined pressing plate, annular gravity center adjusting devices, six-dimensional posture adjusting bionic wheel legs, a central control unit, a tank body gravity center controller and tank truck sensors. The use method is mainly characterized as follows: the central processing unit performs coordination control on the tank body gravity center controller and a wheel leg posture adjusting controller; the tank body gravity center controller performs coordination control on a pressing plate adjusting controller, a pressing plate controller and an annular gravity center adjusting controller; the wheel leg posture adjusting controller performs six-dimensional posture adjusting on the six-dimensional posture adjusting bionic wheel legs. The intelligent anti-rollover control system can realize real-time online monitoring and control of the gravity center of a chassis of the oil tank truck and the gravity center of the tank body of the oil tank truck, prevent rollover when the oil tank truck is disturbed by the bad road surface and the outside in a high-speed running state and remarkably improve the running stability, safety and the anti-rollover capacity of the oil tank truck.

The invention discloses a mud snail collecting device. The mud snail collecting device comprises a rolling collecting device, a conveying device, spiral cleaning device and a storage box which are sequentially disposed from front to rear, wherein the rolling collecting device comprises a rolling rod and a plurality of mesh collecting plates, the mesh collecting plates are parallel with the rolling rod and distributed on the periphery of the rolling rod, and the mesh collecting plates perform circling motion by using the rolling rod as the center; the conveying device comprises a box with a front opening and a top opening, an upper oblique conveying belt disposed in the box, and a drive and a driven rod which are respectively disposed at the upper and lower ends of the conveying belt, and a discharging oblique plate is disposed on the box and located on the rear side of the conveying belt; the spiral cleaning device comprises a vehicle body fixedly connected with the rear side of the box, a hollow mesh rod obliquely and upwardly disposed on the vehicle body, a small drive motor disposed at the top of the hollow mesh rod, and a spiral feeding rod which is disposed inside the hollow mesh rod and connected with the output end of the small drive motor. The mud snail collecting device has the advantages that the device is simple in structure, low in collecting cost, high in efficiency and low in collecting missing rate.

The invention discloses an automatic egg picking-up and casing device, which comprises a base, a rotating motor, a support, a fastener, a horizontal cylinder, a ball screw, a screw motor, a vertical cylinder, a supporting plate, a connecting rod, a pneumatic paw, an egg supporting plate, a supporting plate conveyor belt and an egg conveyor belt, wherein eggs are conveyed out from a henhouse through the egg conveyor belt, the rotating motor is fixed on the base, the support is connected above the rotating motor, the screw motor is arranged at the top of the support, the ball screw is arranged in the support, the horizontal cylinder is connected with the screw through the fastener, the vertical cylinder is fixed at the top of the horizontal cylinder, the supporting plate, a telescopic rod of the vertical cylinder, the connecting rod and the pneumatic paw form a crank slider mechanism, the connecting rod is connected with the telescopic rod of the vertical cylinder through a rotating pair, the other end of the connecting rod is fixedly connected with the pneumatic paw which is connected with the supporting plate through a rotating pair. The automatic egg picking-up and casing device has the benefits of being capable of realizing automatic picking-up and casing of eggs.

A spacecraft autonomous fly-around intersection control system verification device and a spacecraft autonomous fly-around intersection control method belong to the field of aerospace control ground simulation. The spacecraft autonomous fly-around intersection control system verification device comprises a central fixed platform, a three-axle turntable target gesture simulator, a three-axis turntable tracked gesture simulator, a circumferential movement module, a radial movement module, a vertical movement module, a nine-freedom motion measurement and control system, a simulator dynamic calculating system and a spacecraft autonomous fly-around intersection control system. A verification process is characterized in that a simulator dynamic model is established based on a method that length of a similar theory zooms similarly with time dimension; an anticipated motion track of the simulator is obtained through calculation; and a simulator is made to track the anticipated track for realizing spacecraft autonomous fly-around intersection motion ground simulation. The verification device simulates and tracks three-axis position change of the simulator in a cylindrical coordinate system. The verification device can verify ll-direction autonomous intersection control tasks and particularly comprises a spacecraft autonomous fly-around intersection control task. Compared with existing similar devices, the spacecraft autonomous fly-around intersection control system verification device has advantages of expanding ground verification capability and realizing simple and applicable structure.

The invention relates to a multi-screen display device and an advertising board with the same. The multi-screen display device comprises a first display device, a plurality of second display devices and a movable support for installing the second display devices, wherein the movable support is provided with a plurality of supporting sections for supporting the second display devices; the quantity of the second display devices is identical to that of the supporting sections of the movable support, and the second display devices correspond to the supporting sections of the movable support one by one; and the multi-screen display device also comprises a first drive mechanism and a second drive mechanism respectively for driving the first display device and the second display devices to move; the first drive mechanism and the second drive mechanism respectively drive the first display device and the second display devices to move according to a predetermined moving track according to a received instruction. Compared with the prior art, the first and the second display devices are respectively driven by the first and second drive mechanisms to move according to the predetermined moving track, so that the display devices can be combined with other display devices to form different shapes in the moving process, and the visual effect of the video when in playing can be improved.

The invention relates to the technical field of tableware washing and disinfecting equipment, in particular to a dish washing device with a rotary dish rack. The dish washing device with the rotary dish rack comprises a power tank (1), a working bin (2), a water inlet (3), a water outlet (4), a detergent adding tank (5), the dish rack (6), a main shaft (7) and an ultraviolet lamp (8), and is characterized in that the working bin (2) is arranged at the upper portion of the power tank (1); the water inlet (3) is formed in the upper portion of one side of the working bin (2); the water outlet (4) is formed in the lower portion of the other side of the working bin (2); an end cover is arranged at the upper portion of the working bin (2); the detergent adding tank (5) is arranged at the upper portion of the end cover; the main shaft (7) is arranged inside the working bin (2); one end of the main shaft (7) penetrates through the bottom end of the working bin (2) and is connected with the power tank (1) in a matched mode; the dish rack (6) is fixedly installed on the main shaft (7); the ultraviolet lamp (8) is arranged inside the working bin (2).

The invention relates to a micro-texture radial vibration auxiliary electrolytic machining method for the inner wall of a rotary body of a thin-wall part. The method is characterized in that a tool cathode with a micro-boss texture on the surface and capable of doing radial vibration is connected with a negative electrode of the power supply, the tool cathode is connected with an ultrasonic current generator, a thin-wall rotary body workpiece is connected with a positive electrode of the power supply, and the columnar electrode on the tool cathode is arranged in a linear array mode; an electrolyte enters a reaction area between the tool cathode and the workpiece through a liquid supply pipe; a machine tool spindle drives the tool cathode to horizontally move in the peripheral direction according to a preset trajectory, a certain machining gap is reserved between the workpiece and the columnar electrodes on the tool cathode, the machine tool spindle drives the tool cathode to do autorotation motion, and the tool cathode connected with the ultrasonic current generator is used for constructing an ultrasonic energy field; the electrolyte flowing out at a high speed is sprayed onto theworkpiece to obtain the required machining morphology. The invention further provides an micro-texture radial vibration auxiliary electrolytic machining device for the inner wall of the rotary body ofthe thin-wall part. According to the method and the device, the centering property, the stability, the precision and the efficiency for machining the micro-texture of the inner wall of the rotary body are improved.

The invention discloses a pipeline circumferential ultrasonic flaw detection device. A pipeline is wrapped by two hinged ring bodies, and a rotating gear cooperates with gear rings fixed on inner walls of the ring bodies to drive the circular motion of an entire detection mechanism, and the problem that the existing pipeline flaw detection requires manual winding is effectively solved. Semicircular internal racks are fixed to the inner walls of the first ring body and the second ring body, an upper end of the first ring body is hinged with the upper end of the second ring body, a the lower endof the first ring body is cooperatively connected with the lower end of the second ring body through a lock catch; and the detection mechanism comprises a mounting seat arranged on outer walls of thefirst ring body and the second ring body, a motor fixedly connected to the mounting seat, a gear connected with an output end of the motor through a transmission member, a fixing frame fixedly connected with the mounting seat and used for rotationally mounting the gear, and a fitting component arranged at an end part of the fixing frame, and the gear is engaged with the semicircular internal racks.

The invention relates to a display device and an advertising board with same. The advertising board comprises a plurality of display devices and a movable support for installing each display device, wherein the movable support is provided with a plurality of supporting sections for supporting the display devices; the display devices and the movable support supporting sections are identical in quantity and correspond to each other one by one; the display device also comprises a drive mechanism which is used for driving each display device on the movable support to move, and the drive mechanism drives each display device to move according to a predetermined movement track according to the received instruction. Compared with the prior art, the display devices are driven by the drive mechanism to move according to the predetermined movement track according to the received instruction, so that the display devices can be combined with other display devices in the moving process to form different shapes, and the visual effect of video when in playing can be improved.

The invention relates to a wrist centering mechanism with two degrees of freedom of a welding robot, belonging to the technical field of the welding robots. The mechanism consists of an angular position platform mechanism and a connecting rod mechanism; the angular position mechanism can make circular movement around an axis thereof; the connecting rod mechanism can also realize the circular movement of a swing rod; after the two mechanisms are combined and the position of a welding gun is well adjusted, that a gun nozzle of the welding gun of the wrist welding gun part points to a fixed point all the time when the wrist acts in the welding process can be realized. Therefore, the wrist centering mechanism with two degrees of freedom can carry out control to the welding process conveniently and complete welding with high quality.

The invention discloses a mechanical symmetrical gear shaft reciprocating pushing device. The device comprises a pushing device main body. The bottom end position of the pushing device main body is fixedly connected with a supporting device, and the upper end position of the supporting device is rotationally connected with a driving device. The driving device comprises a first matching device, a push rod and a second matching device. The first matching device is arranged on the inner end side of the driving device. The central position of the first matching device is slidably connected with the push rod. The side end position of the push rod is slidably connected with the second matching device. The first matching device comprises a gear rack, a first gear chuck, a second gear chuck, a third gear chuck, a motor, an output shaft, a sleeve, a connecting rod, a plunger, and a fourth gear chuck. The motor is arranged at the bottom end position of the first matching device. Through the arrangement of the driving device, the mechanical symmetrical gear shafts reciprocating pushing device realizes the purpose of reciprocating the symmetrical gear shafts on the inner end.

A drag chain device comprises a fixed base, a rotary disc, a guiding ring, a guiding groove and a drag chain. The rotary disc is in rotating connection with the fixed base. The guiding ring is connected with the rotary disc and arranged along the edge of the rotary disc. The guiding groove is formed in the side edge of the guiding ring, and the guiding groove and the guiding ring are located on the same plane. The guiding groove is connected with the fixed base through an installation base. One end of the drag chain is connected with the rotary disc, and the other end of the drag chain is connected with the guiding groove. A cable is fixed on the drag chain device. When the rotary disc rotates, the drag chain is wound around the guiding ring along with rotation of the rotary disc under the action of the guiding groove and the guiding ring, then the cable is wound around the guiding ring along with the drag chain, and the cable can circularly move along with a moving body. According to a cutting device using the drag chain device, a cutting torch can rotate around a profiled bar, and it is ensured that cutting is carried out smoothly.

The invention provides an all-directional building construction dedusting device, which comprises a base. Traveling wheels are arranged at the bottom of the base, pushing handles are arranged on the base, a bearing plate is arranged above the base, the bottom of the bearing plate is connected with a rotating shaft, the lower end of the rotating shaft is rotationally mounted on the base, a driven gear sleeves the rotating shaft and is meshed with the driving gear, the driving gear is coaxially connected with a rotating shaft of a driving motor, and at least one dust suction device is arranged on the bearing plate and comprises a dust suction fan, a dust suction cavity and a dust suction hose, wherein the dust suction fan is connected with the dust suction cavity through the dust suction hose, and the dust suction cavity is obliquely positioned on the bearing plate. The all-directional building construction dedusting device has advantages that a construction area can be dedusted in all directions to realize all-directional dedusting, convenience in moving and flexibility in use are achieved, and the air purification rate is increased.

The invention belongs to the technical field of preserved meat processing, and particularly relates to a rotary drying device for preserved meat processing. The device comprises a bottom plate, a sliding plate is slidably arranged at the top of the bottom plate, a supporting column is fixedly arranged at the top of the sliding plate, a circular pipe is fixedly arranged at the top of the supportingcolumn, multiple heating rods are annularly and uniformly arranged on the inner wall of the circular pipe, a receiving disc is arranged on the inner wall of the bottom of the circular pipe, a conveying pipe is arranged at the bottom of the circular pipe, inserting grooves are horizontally formed in the two sides of the receiving disc, inserting rods are arranged on the two sides of the circular pipe in a threaded mode, and one end of each inserting rod extends into the corresponding inserting groove. According to the deice, by splitting and combining the device, preserved meat can be conveniently fed and taken, and the use is convenient; and the preserved meat rotates while being heated in circular motion, so that heating is uniform, a drying effect is good, and the processing quality isimproved.

The invention discloses an omnidirectional beam-erecting device standing on the top of a pillar of a house and having an automatic travelling function and relates to the field of hoisting equipment. The omnidirectional beam-erecting device comprises a main arm. The bottom of the main arm is provided with a front leg and a rear leg. A chassis is arranged between the front leg and the rear leg. A plurality of column feet are arranged at the bottom of the chassis. The chassis is connected with the main arm through a swinging mechanism. A first travelling mechanism is arranged between the swing mechanism and the main arm. One end of the first travelling mechanism is connected with the swing mechanism, and the other end of the first travelling mechanism is connected with the main arm. The firsttravelling mechanism is used to push the swing mechanism or the main arm to move so as to change the relative position of the chassis and the main arm. The main arm is provided with a hoisting mechanism and a second travelling mechanism. The hoisting mechanism comprises a hoisting trolley. The second travelling mechanism is connected with the hoisting trolley and used to drive the hoisting trolley to travel longitudinally along the main arm. The omnidirectional beam-erecting device is low in mounting difficulty and high in use safety.

The invention relates to a four-stroke engine free of a crank shaft and a valve. The engine comprises a base, a suction and exhaust valve, a base, a driving device group and a top seat. When a piston in each cylinder pushes the driving device group to enable a push rod connected with each piston to reciprocate vertically to push a cross rotating rocker arm connected with each push rod and enable the cross rotating rocker arm to push a rotating shaft piece to rotate to further achieve output of moving force of an engine mechanism with reciprocating motion converted into rotating motion, the cross rotating rocker arm also pushes a gear group of the driving device group to enable the gear group to drive the suction and exhaust valve on the base to rotate in a 360-degree in situ rotating motion mode to conduct suction and exhaust operation in the base. Due to the fact that the suction and exhaust valve rotates continuously and the special time sequence design is provided, the engine has the advantage that the crank shaft is not required, and a structure matched with the crank shaft to open and close the suction and exhaust valve frequently is not required.

The invention provides a light side wall suspension vertical force transmission rack and a first-stage engine, and solves the problems that a rack is long and supporting assemblies are complex due tothe fact that the height of a large engine and the height of a small engine of an existing first-stage engine are greatly different, or the space of a cabin section is occupied. The rack comprises a cross joint, four main joints, four connecting rods, a first I-shaped beam, a second I-shaped beam and two dowel bars; wherein the four connecting rods are connected through the four main joints to form a rectangular frame; the four main joints are respectively a first main joint, a second main joint, a third main joint and a fourth main joint; two ends of the first I-shaped beam are respectively connected with the third main joint and the first interface of the cross joint; two ends of the second I-shaped beam are respectively connected with the fourth main joint and the second interface of the cross joint; the connecting rods and the two I-shaped beams form a first isosceles right triangle frame, and the included angle between the plane where the frame is located and the plane where the rectangular frame is located is 93 degrees; and one ends of the two dowel bars are respectively connected with the first main joint and the second main joint, and the other ends of the two dowel bars are connected with the cross joint.

The invention belongs to the technical field of workpiece cleaning, and particularly relates to a workpiece cleaning device for mechanical equipment machining and a using method of the workpiece cleaning device. The workpiece cleaning device comprises a cleaning shell, four vertical supporting columns are evenly distributed and connected to the lower end of the cleaning shell, and the lower ends of the supporting columns are fixedly connected with a base making contact with the ground. An inverted-T-shaped shell is fixedly connected to the side wall of the cleaning shell, a driving motor is fixedly connected to the side wall of the shell, a first rotating shaft is fixedly connected to the output end of the driving motor, and the end, away from the driving motor, of the first rotating shaft penetrates through the shell and is rotationally connected with the inner wall of the cleaning shell. Two vertical discs fixedly sleeve the outer side wall of the first rotating shaft in the cleaning shell. The workpiece cleaning device for mechanical equipment machining and the using method of the workpiece cleaning device have the advantages that a plurality of workpieces can do circular motion to replace a traditional static cleaning mode, the surfaces of the workpieces can be further cleaned through reverse rotation of two cleaning rollers, in addition, the workpieces are flushed in a circulating mode, and the workpiece cleaning effect can be further improved.

The invention discloses a pipeline cutting device. The pipeline cutting device comprises a driving motor, wherein the driving motor comprises a body and an output shaft. The pipeline cutting device is characterized in that a plurality of support cylinders are circumferentially arranged on the outer wall of the body, a pushing mechanism is arranged below the body, a fixing plate is fixed on the end surface of the body, an elongated counter bore is formed in the fixing plate, a lock slide piece is arranged in the counter bore and comprises a slider, a first connecting post, a second connecting post and a third connecting post which penetrate through the counter bore sequentially extend on the slider, a first connecting frame rod is hinged to the second connecting post, fixing nuts are arranged on the first connecting post and the second connecting post, a limit nut is arranged on the second connecting post, a second connecting frame rod is arranged on the output shaft, a connecting rod is hinged between one end of the first connecting frame rod and the outer end of the second connecting frame rod, a cutter is arranged at the other end of the first connecting frame rod, and the pushing mechanism, the driving motor and a cutting cylinder are electrically connected with a controller.

An intelligent visual inspection device for code spraying comprises an image processor and a supporting platform. A belt is arranged on the supporting platform, and a detection mechanism, a code spraying mechanism and a paging mechanism are sequentially arranged in the length direction of the supporting platform. The detection mechanism comprises a supporting rod, a photoelectric detection mechanism, a light supply mechanism, an image capturing mechanism and an alarm are sequentially arranged in the height direction of the supporting rod, the image capturing mechanism is electrically connected with the image processor, and the alarm is arranged at the top of the supporting rod. In comparison with the traditional detection device, on one hand, various unqualified sprayed codes on the packaging bag can be detected, and on the other hand, the device has a self-learning capability and can collect and calculate error information, so that the precision of detecting the subsequent sprayed codes of the packaging bag is improved.

The invention discloses an air-drying device for cleaned accumulator plates. The air-drying device for the cleaned accumulator plates comprises an air main, wherein a plurality of exhaust openings aredistributed in the air main; an upper rotating ring is arranged at the position close to the upper end of the air main; a lower rotating ring is arranged at the position of the lower end of the air main; a pair of parallel gratings is arranged between the upper rotating ring and the lower rotating ring; a net frame for placement of the accumulator plates is mounted between the pair of gratings; the net frame overturns between the air of gratings through hinge pins; a rotating plate is arranged above the upper rotating ring; a motor is arranged on the upper portion of the rotating plate; and the lower end of the air main is externally connected with external heating equipment. Compared with the prior art, the air-drying device for the cleaned accumulator plates has the advantages that thegratings are driven to rotate around the air min through the motor, therefore, centrifugal circular motion of the accumulator plates is realized, residual water on the accumulator plates can be thrownout, and furthermore, the accumulator plates can be dried further at multiple angles through the exhaust openings in the air main.

The invention discloses a parent-child body-building rocking boat for the elderly. The parent-child body-building rocking boat for the elderly comprises a base, a boat body is arranged above the base,a first connecting rod is hinged between the front end of the boat body and the base, a driven rotating shaft and a driving rotating shaft which are arranged in parallel are arranged at the top of the base through a bearing seat, the driven rotating shaft is connected to the driving rotating shaft through a transmission mechanism, a first cam is arranged at each of two ends of the driven rotatingshaft, a fixing seat corresponding to each first cam is arranged at the bottom of the ship body, a second cam is arranged at each of two ends of the driving rotating shaft, a manual connecting rod ismovably connected to each second cam and is connected to a rocker through a revolving pair, a foot-operated connecting rod is connected to each second cam, and a foot pedal is arranged at the top ofeach foot-operated connecting rod. The parent-child body-building rocking boat for the elderly has the advantages that the motion rule of the connecting rods in crank and rocker mechanisms is applied,so that the ship body reciprocates forward and backward as well as up and down and simulates the motion status of a real ship body over the water; the parent-child body-building rocking boat integrates body-building with children entertainment.

The invention discloses an annular mechanical welding device. The annular mechanical welding device comprises a box body and a welding gun; the welding gun is fixedly connected with an electric telescopic rod; the electric telescopic rod is fixedly connected with a lifting block; the lifting block is embedded into a vertical plate; the upper end of the vertical plate is fixedly connected with a horizontal plate; the horizontal plate is fixedly connected with a rotating shaft; a worm wheel is fixed to and is connected with the rotating shaft in a sleeved manner; the worm wheel is engaged with aworm; and the worm is connected with a servo motor through a coupler. Through the vertical plate which is provided with a vertical sliding groove, a lead screw and the electric telescopic rod, the vertical height and the horizontal position of the welding gun are changed conveniently, so that position adjustment on different welding spots on the operation surface of one side is further adapted; and through the horizontal plate which is fixedly connected with the rotating shaft, the worm wheel, the worm and the servo motor, the circular motion of the welding gun is achieved, so that operationis further carried out on welding spots of different operation surfaces of a to-be-welded workpiece, the annular mechanical welding device has the relatively high flexibility, and the welding efficiency is improved.

The invention provides an annular camera device for a steel tube tower, and the device comprises an annular guide rail which is installed on the steel tube tower and surrounds the circumferential sidesurface of the steel tube tower; a sliding mechanism movably arranged on the annular guide rail; a motor used for driving the sliding mechanism to slide along the annular guide rail; and the plurality of cameras arranged on the sliding mechanism and used for shooting images of the surroundings of the steel tube tower in different vertical view fields. By implementing the invention, 360-degreedead-angle-free monitoring of the steel tube tower in the circumferential direction can be realized.

The invention discloses a steel pipe welding device. The welding device comprises a shell, a welding mechanism and a clamping mechanism, wherein a rotary cylinder is arranged in the shell, the weldingmechanism is arranged on the rotary cylinder and comprises a set of welding guns which are oppositely arranged, the welding guns are fixedly connected with lifting frames, sliding groove plates are embedded in the upper ends of the lifting frames, the rotary cylinder is fixedly connected to the inner sides of the sliding groove plates, the rotary cylinder is fixedly sleeved with a gear ring, thegear ring is meshed with a driving gear, and the driving gear is fixedly connected with a driving motor. According to the welding device, by arranging a rotating structure comprising the rotating cylinder, the gear ring and the driving gear, a steel pipe is annularly welded, and compared with manual welding, the efficiency is high, and the quality is good; by arranging the sliding groove plates, lead screws, rotating wheels and the lifting frames, the height of the welding guns is conveniently adjusted, welding of steel pipes of different diameter specifications is achieved, and adaptability is good; and by arranging clamping plates, two-way lead screws, the double-shaft motor and supporting rollers, the levelness and stability during steel pipe welding are improved.

The invention discloses a multi-joint omnidirectional motion pipeline robot. According to the technical scheme adopted by the invention, the multi-joint omnidirectional motion pipeline robot comprisesa middle joint which is mainly formed by hinging a first housing and a second housing, wherein a hinged position of the first housing and the second housing, the outer end of the first housing and the outer end of the second housing are separately equipped with wheel assemblies; the wheel assemblies at the outer end of the first housing and the outer end of the second housing are at least connected to a drive motor through bevel gear pairs; a torsion spring or a tension spring is arranged between the first housing and the second housing; and through applied force of the torsion spring or thetension spring, a V-shaped structure is arranged between the first housing and the second housing. The multi-joint omnidirectional motion pipeline robot has the beneficial effects: a W-shaped multi-joint-form structure, a spherical steering wheel, a universal drive wheel, and the like are delicately combined, so that a pipeline robot drive mechanism with multi-tube-diameter adaption ability and universal motion ability is used to replace a common pipeline robot caterpillar band type and common wheel type drive mechanism, and therefore, the pipeline robot has universal motion ability, and provides structure advantages for pipeline robot obstacle-avoiding and motion posture regulating.

The invention belongs to the technical field of non-destructive testing and maintenance of steam generator heat transfer tubes and similar heat exchange equipment, and particularly relates to a high-temperature gas cooled reactor heat transfer tube inspection device, which aims to solve the problem that it is difficult to implement nondestructive testing of a high-temperature gas cooled reactor heat transfer tube. The invention is characterized in that the device comprises a suction gun device, a guide rail component, a swing mechanism and an outrigger mechanism. The suction gun device and theguide rail component are connected by a quick-change structure. By stirring a rotating chuck of the quick-change structure, rapid locking between the suction gun device and the guide rail component and their rapid connection can be realized. The outrigger installation mechanism adopts a foldable form and is convenient for the staff to carry.

The invention discloses a petroleum casing dosing device which comprises a casing, an oil pressing tank, a chemical box, a pipeline assembly and a crude oil heater, and the chemical box is connected to the oil pressing tank; the oil pressing tank is used for pumping crude oil in the annular space of the sleeve into the tank; the side surface of the oil pressing tank is connected to an oil inlet of the crude oil heater through an oil outlet pipe; the pipeline assembly comprises a hot oil pipe, a mixing pipe and a control pipe, the hot oil pipe and the mixing pipe are connected into the sleeve, the other end of the hot oil pipe is connected with an oil outlet of the crude oil heater, and the other end of the mixing pipe is communicated with the hot oil pipe. According to the casing dosing device provided based on combination of petroleum casing dosing operation and hot oil well washing operation, hot oil circulation well washing can be conducted through the dosing device, the hot oil source is crude oil extracted from an annular space, an oil truck is not needed, a large amount of other hot oil or heat carriers do not need to be additionally consumed, meanwhile, oil well production stopping is not needed, and the pipe wall wax removal effect is achieved.

The invention discloses auxiliary equipment for oil and gas long-distance pipeline construction and a construction method thereof, and belongs to the technical field of oil and gas long-distance pipeline construction.The auxiliary equipment comprises a main frame and a welding part, the main frame comprises a base and two portal frames, and a rail assembly is connected between the tops of the two portal frames; the welding part is movably mounted on the rail assembly; a pipeline feeding part and a translation assembly are arranged on the side, away from the positioning part, of the base. The pipeline feeding part comprises a lifting assembly, a rotating assembly is arranged on the lifting assembly, and a pipeline conveying assembly is arranged on the rotating assembly; a clamping assembly is arranged at the top of the pipeline conveying assembly; position adjustment of the to-be-welded pipeline in three directions can be achieved, the position of the to-be-welded pipeline is adjusted through a mechanical structure, the welding part can achieve automatic welding of the pipeline, and safety and reliability are higher.

An automatic paint spraying device of a pier comprises a spraying machine, two clamping assemblies, two bearing plates and at least one lifting drive air cylinder. The lifting drive air cylinder is arranged vertically and is fixed to one bearing plate, and the output end of the lifting drive air cylinder is connected with the other bearing plate. The spraying machine is fixed to one bearing plate.The two clamping assemblies are fixed to the two bearing plates correspondingly, and the clamping assemblies are used for being clamped on the pier to fix the bearing plates and the spraying machine.During use, one clamping assembly is clamped on the pier in a closed manner, the other clamping assembly is loosened, the lifting drive air cylinder is controlled to stretch and contract, the loosened clamping assembly ascends and descends, the two clamping assemblies are clamped and loosened alternately, the spraying machine is driven to ascend and descend, a spray gun of the spraying machine iscontrolled to be opened and closed, and the spraying machine can spray the pier in the process of ascending and descending; and paint spraying can be automatically carried out on the pier, the paintspraying efficiency can be improved, and construction safety performance can be improved.