115results about How to "Novel structural design" patented technology

The invention discloses an H-shaped steel automatic welding roller way conveying system. Comprising a lower wing plate feeding line, a web feeding line, an upper wing plate feeding line, a lower wing plate and web assembly line, a T-shaped steel assembly welding straightening blanking transition line, a T-shaped steel assembly welding straightening blanking line, a web lifting turnover line, a T-shaped steel upper wing plate assembly line, an H-shaped steel assembly welding straightening blanking transition line and an H-shaped steel assembly welding straightening blanking line which are arranged in parallel in the same direction. The lower wing plate feeding line, the lower wing plate web assembling line, the T-shaped steel assembling, welding and correcting discharging line, the web feeding line, the upper wing plate feeding line, the T-shaped steel upper wing plate assembling line and the H-shaped steel assembling, welding and correcting discharging line are each composed of a plurality of roller bed units. The web lifting turnover line is composed of a plurality of lifting roller bed units; and the T-shaped steel assembling, welding and straightening blanking transition line and the H-shaped steel assembling, welding and straightening blanking transition line are respectively composed of a plurality of transition roller bed units. The problems that an existing H-shaped steel welding production line is high in labor intensity and low in efficiency, and safety factors exist in a working site can be solved.

The invention relates to the technical field of nuclear power station welding seam detection, in particular to a measuring device and a measuring method for nuclear power station fillet welding seam nondestructive testing, the measuring device comprises a ruler plate, a sliding ruler and a stepped sliding groove, the main body of the ruler plate is a pentagon formed by cutting one corner of a square, and the inclined edge and the adjacent edge of the pentagon are arranged at 135 degrees; two sides, adjacent to the bevel edge, of the ruler plate are provided with stepped sliding grooves, the two stepped sliding grooves are perpendicular to each other in the same plane, the two stepped sliding grooves are in limited sliding connection with two sliding rulers respectively in the length direction, the opposite ends of the two sliding rulers abut against welding corners on the two sides of a T1 or H1 fillet weld respectively, and a marking line is carved at the outer side end of each sliding ruler. The ruler plate is provided with scales at the edges of the two stepped sliding grooves. The invention provides the measuring device and method for measuring the special fillet weld of the nuclear power station.

The concrete pouring device comprises a stirring tank, a supporting frame, a first stirring assembly and a second stirring assembly, the bottom of the stirring tank is fixed to the supporting frame, a first supporting plate and a second supporting plate are installed on the two sides of the upper end of the stirring tank respectively, and an upper support is connected between the first supporting plate and the second supporting plate in a bridging mode; the upper end part of the upper bracket is provided with a stirring motor, a motor shaft of the stirring motor is connected with one end of a rotating shaft, the other end of the rotating shaft extends into the stirring tank, the first stirring assembly and the second stirring assembly are respectively arranged on the rotating shaft, the gas adding assembly is arranged on the upper bracket, the bottom of the stirring tank is provided with a discharge port, and a discharge pipe is arranged at the discharge port. The concrete stirring device is novel in structural design and convenient to operate, concrete can be uniformly and rapidly stirred, gas in the concrete can be rapidly discharged through the arranged gas adding assembly, the pouring quality of the concrete is improved, and then the construction quality of building engineering is improved.

The utility model discloses a multifunctional atomizer soaking, airing, storage and prompting device, it includes main box, drain box, water collecting box, and main box sets left side plate, right side plate, and water collecting box has water collecting cavity, and drain box has and places the cavity bottom and set up drain hole, left, right side plate sets up upper fender, lower fender respectively, and the left end side of main box is equipped with the storage box, and the storage box is equipped with bottom clamping plate, and the front end edge portion of bottom clamping plate sets up first clamping groove for holding the atomizing cup and the atomizing face mask junction with the second clamping groove for holding the atomizing pipe end, and the multifunctional atomizer soaking, airing, storage and prompting device still includes the atomizing indicating board that is arranged in vertical and can horizontally overturn activity, and the indicating surface of atomizing indicating board has the warning mark, through above -mentioned structural design, the utility model has the advantages of novel structure design, various functions and convenient to use.

The utility model discloses a positioning jig applied to laser welding of a motor end cover, which comprises a fixed base, the fixed base is provided with a casing positioning die and a positioning core rod which are coaxially arranged, the positioning core rod is embedded in a core rod mounting hole of the casing positioning die, and the upper end part of the positioning core rod extends to the upper end side of the casing positioning die; the positioning jig applied to laser welding of the motor end cover further comprises an auxiliary pressing rod which is vertically arranged, the auxiliary pressing rod is located over the positioning core rod, and the auxiliary pressing rod and the positioning core rod are coaxially arranged. The periphery of the machine shell positioning die is rotationally sleeved with a rotating disc, the upper surface of the rotating disc is provided with a positioning pin shifting mechanism and a machine shell positioning block with the position adjustable, and the positioning pin shifting mechanism is provided with an end cover positioning pin which is horizontally and transversely arranged. By means of the structural design, the welding angle adjusting device has the advantages of being novel in structural design, good in welding positioning stability and high in adaptability, and the welding angle between the motor shell and the motor end cover can be adaptively adjusted.

The invention relates to the field of oil field wellhead devices, and discloses an oil well casing head which comprises a casing joint body, a connecting groove is formed in the top of the casing joint body, a connecting part is slidably connected into the connecting groove, and two clamping grooves are formed in each of the left side and the right side of the connecting part. Two connecting plates are fixedly connected to the exterior of the sleeve joint body, mounting grooves are formed in the connecting plates, connecting grooves are formed in the inner side walls of the mounting grooves, pull rods are slidably connected to the interiors of the connecting grooves, and two connecting rods are rotatably connected to the outer surfaces of the pull rods; two sliding grooves are further formed in the inner side wall of the mounting groove. According to the casing head, the connecting part, the pull rod, the connecting groove, the mounting groove, the second spring, the connecting rod and other structures are additionally arranged and used in cooperation, so that the connecting part can be quickly mounted and dismounted, and the problems that mounting and dismounting are troublesome and time is wasted due to multi-bolt connection of a traditional casing head are solved.

This utility model discloses a bottom-lifting automatic adhesive tape peeling mechanism, which includes an adhesive tape peeling component, a waste adhesive tape recycling component, a vertical mounting plate, a lifting movable plate, and a lifting drive component for driving the lifting movable plate. The waste adhesive tape recycling component includes a recycling drive motor, a recycling driven wheel, a recycling drive wheel, and several tape guide wheels respectively mounted on the lifting movable plate. The adhesive tape peeling component includes a lifting drive cylinder, an adhesive tape clamping drive cylinder, and an adhesive tape pressing drive cylinder. The driving end of the adhesive tape clamping drive cylinder is equipped with an adhesive tape clamping block, the driving end of the lifting drive cylinder is equipped with an adhesive tape push rod, and the driving end of the adhesive tape pressing drive cylinder is equipped with an adhesive tape pressing head. The tape guide wheels guide the tape to pass under the adhesive tape pressing head with the adhesive surface facing down. The tooling fixture has a vertical through hole at the PI adhesive tape pasting position. Through the above structural design, this utility model has a novel structural design, high adhesive tape peeling efficiency, and is effectively applicable to the adhesive tape peeling operation of circuit boards.

The present invention discloses a sliding door handle structure, comprising an inner ring which can be embedded on the side surface of a door body, a bottom plate installed at the inner bottom of the inner ring, a knob which passes through the bottom plate and is clamped and fixed with the bottom of the inner ring, and an outer cover which is arranged outside the inner ring; a mounting column extends inwardly from the knob, a first annular clamping groove is provided on the side wall of the mounting column, and a square core hole is provided inside the mounting column; the inner ring comprises a cylindrical shell part and an outer edge part; a knob mounting hole which is adapted to and can be clamped and fixed in the first annular clamping groove is provided at the bottom of the inner ring, a plurality of first notch grooves which can improve the tension and elasticity of the knob mounting hole are provided outwardly of the knob mounting hole, so that the first annular clamping groove and the knob mounting hole can be clamped and fixed easily and quickly, a plurality of separate first clamping blocks are formed between adjacent first notch grooves, and the first clamping blocks are clamped and fixed with the first annular clamping groove; a plurality of second clamping blocks are provided on the inner side wall of the cylindrical shell part of the inner ring, and a second annular clamping groove which is correspondingly adapted to the second clamping block is provided on the outer side wall of the outer cover.

The invention provides a mining breathing self-rescue system capable of intelligently detecting toxic gas, which comprises a mining silica gel half mask, a control valve, an air bag, a compressed oxygen bottle, an expiration pipe, an inspiration pipe, a gas sensing array module, a sensing cabin and a single chip microcomputer, one side is an expiration pipeline connected with a compressed oxygen self-rescuer cleaning tank and used for purifying expired gas, the other side is an inspiration pipeline connected with a compressed oxygen self-rescuer air bag, and oxygen adjusted and released by a compressed oxygen bottle adjuster and human body expired gas filtered and purified by the cleaning tank are stored in the air bag. The concentration of toxic gas in the half mask can be monitored, flow conveying of oxygen of the self-rescuer can be controlled, the service life of the self-rescuer can be prolonged, oxygen uptake operation time can be shortened, threat of colorless and odorless gas to miner lives can be reduced, rescue time after disasters occur can be strived, and the self-rescuer has important practical significance for guaranteeing health and safety of miner lives before and after disasters.

The invention belongs to the technical field of photonic crystals, and particularly relates to a photonic lattice capable of cutting boundaries in various modes and a method for generating a boundary state. In order to provide crystal lattices with a larger existence range, the evanescent coupling straight waveguides comprise a plurality of uniformly distributed crystal lattice points, the evanescent coupling straight waveguides are arranged on the crystal lattice points, every three crystal lattice points form a primitive cell, and the three crystal lattice points in each primitive cell form an equilateral triangle. The interfaces on the two sides of the evanescent coupling straight waveguide are arranged to be one or two of an alpha-zigzag shape, a beta-zigzag shape and a beam shape. According to the method, construction is simple, various boundaries can be cut, and two different types of boundary states are supported.

The cleaning robot comprises a main body frame, a horizontal base plate, a walking driving assembly, a side sweeping assembly, a rolling sweeping assembly, a clean water spraying pipe, a rolling washing assembly, a water sucking rake, a clean water tank and a sewage tank. The rolling sweeping assembly comprises a rolling sweeping frame, a rolling sweeping driving motor, a rolling sweeping brush and a front side electric lifter. The rolling washing assembly comprises a rolling washing frame, a rolling washing driving motor, a rolling washing brush, a rear side electric lifter and a dust box. Two base plate fixing pieces are arranged on the lower surface of the horizontal base plate, butt joint clamping blocks of the base plate fixing pieces are clamped and fixed through U-shaped clamping grooves of the base plate fixing pieces, and the other ends of the base plate fixing pieces are screwed and fastened through locking screws; a front rolling sweeping brush and a rear rolling sweeping brush are rotationally installed in a rolling brush containing cavity of the rolling sweeping frame, a front scraping piece is arranged on the inner wall of the rolling brush containing cavity, and a rear scraping piece making contact with the rear rolling sweeping brush is arranged at the position, at the dust inlet, of the dust box. Through the structural design, the cleaning device has the advantages of being novel in design, convenient to install, maintain and replace and high in cleaning efficiency.

The trocar comprises an upper connecting part and a needle part, the lower portion of the upper connecting part is connected with the needle part, the periphery of the lower end of the needle part is provided with a lower opening part used for opening a cannula, the left side face and the right side face of the tail end of the lower opening part are chamfered, and the left side face, the right side face and the bottom face form an inverted trapezoid. The trocar is characterized in that a lower distraction part is arranged on the periphery of the lower end of the trocar body, the width of the bottom face of the lower distraction part is smaller than the width of the middle of the lower distraction part, an upper distraction part is arranged on the periphery of the upper connecting part, the upper distraction part and the lower distraction part are separated, and the left side face and the right side face of the tail end of the upper distraction part are chamfered. The left side face, the right side face and the bottom face form an inverted trapezoid, passing sleeves can be expanded conveniently, the sleeve feeding mechanism is reasonable in structural design, the sleeves can be fed from bottom to top, the motor control accuracy is high, the feeding speed is high, and the production requirement is met.

This utility model relates to a test accelerator pedal locking fixture, comprising a base, a support frame, and an adjustment mechanism. The base supports the entire fixture and is placed on the driver's seat floor. One end of the support frame is fixedly welded to the base, and the other end extends freely upwards with a U-shaped groove at its top. The adjustment mechanism is located in the U-shaped groove of the support frame and includes a screw and a pair of locking nuts. The screw passes perpendicularly through the U-shaped groove to the support frame. The pair of locking nuts, with a diameter larger than the width of the U-shaped groove, are located on opposite sides of the U-shaped groove and are threadedly engaged with the screw to lock it to the support frame. This fixture has the advantages of convenient installation, high control precision, and low cost, and is suitable for laboratory and real-vehicle testing scenarios.

The invention discloses an automatic filling machine for a fuse pouring sealant. A rack of the automatic filling machine is provided with a transfer workbench and a constant-temperature stirring instrument, and the constant-temperature stirring instrument is provided with a material cup; the transfer workbench comprises a Y-axis driving linear module and a transfer movable frame, the transfer movable frame is provided with a fuse carrier plate, and the fuse carrier plate is provided with a plurality of positioning placement holes distributed in an array; an X-axis driving linear module is arranged at the upper end of a portal frame of the rack, a Z-axis driving linear module is arranged at the driving end of the X-axis driving linear module, a lifting movable frame is arranged at the driving end of the Z-axis driving linear module, and an automatic dispensing assembly is arranged on the lifting movable frame. The automatic glue dispensing assembly comprises a glue dispensing injector, the glue dispensing injector comprises an injection barrel, a piston push rod and a glue dispensing nozzle, the injection barrel is fixedly mounted on the lifting movable frame, and the piston push rod is driven by a drawing driving mechanism. Through the structural design, quartz sand mixed glue dispensing and potting operation can be automatically and efficiently carried out on the fuse, the structural design is novel, and the automation degree is high.

The utility model discloses a mobile phone plastic camera decoration ring injection molding taking-out jig which comprises a jig fixing plate, a grabbing assembly is arranged on the front face side of the jig fixing plate, and a mechanical arm fixing plate is arranged on the back face side of the jig fixing plate. The grabbing assembly comprises a plurality of product clamping jaws arranged at intervals, the product clamping jaws are arranged on the front face of the jig fixing plate, and the number of the product clamping jaws is consistent with the number of forming cavities of a mold core. The jig fixing plate is provided with finger air cylinders corresponding to the product clamping jaws respectively, and the driving ends of the finger air cylinders are in driving connection with the corresponding product clamping jaws respectively; when the injection molding taking-out jig for the mobile phone plastic camera decoration ring grabs the mobile phone plastic camera decoration ring products from the mold core, each product clamping jaw clamps and grabs one mobile phone plastic camera decoration ring product. By means of the structural design, the mobile phone plastic camera decoration ring has the advantage of being novel in structural design, and the injection-molded mobile phone plastic camera decoration ring can be conveniently taken out of an injection mold.

The utility model discloses a kind of jigs of bending edge of mobile phone middle frame pressing copper foil, it includes jig upper die component, jig lower die component, jig lower die component includes lower die plate, and middle frame placement area is set on lower die plate upper surface, and lower die plate is equipped with several middle frame positioning needle in middle frame placement area;Jig upper die component includes upper die top plate, upper die bottom plate, several bending assembly;Bending assembly includes the upper die insert of being equipped in upper die bottom plate, vertical through and obliquely extended insert through-hole is opened in upper die insert middle part, insert through-hole is slidably installed insert slider, and pressure head is equipped in insert slider lower end portion;First compression spring is equipped between insert slider and upper die top plate, and the upper end portion of first compression spring is in abutment with upper die top plate, and the lower end portion of first compression spring is in abutment with insert slider. By the above structural design, the utility model can realize the synchronous bending of multiple bending edges of copper foil, i.

The utility model discloses an H-shaped steel laser cutting inner side protection mechanism which comprises a baffle assembly used for blocking laser penetrating through a material during H-shaped steel cutting. The at least two connecting rods are rotationally arranged at the top of the baffle assembly; the X-direction sliding plate is rotationally arranged at the tops of the at least two connecting rods; the Y-direction sliding plate is slidably arranged at the top of the X-direction sliding plate through an X-direction guide rail pair; the driving device is used for driving the X-direction sliding plate to move in the X direction and driving the Y-direction sliding plate to move in the Y direction; the plate lifting device is arranged on the X-direction sliding plate, the driving end is rotationally connected with one connecting rod, and the plate lifting device is used for driving the baffle assembly to ascend and descend; and the Y-direction guide rail pair is arranged at the top of the Y-direction sliding plate. By means of the H-shaped steel inner side protection device, inner side protection during laser cutting of H-shaped steel of different specifications and lengths can be achieved.

The utility model provides a ceiling lamp installation piece, belongs to the technical field of lamp installation, and effectively solves the problem that an existing ceiling lamp is inconvenient to replace and install. According to the technical scheme, the device comprises a circular inner ring plate, an outer ring plate with the same circle center as the inner ring plate is arranged on the outer side of the inner ring plate, a fixed frame and a sliding frame are connected between the inner ring plate and the outer ring plate respectively, and a first mounting block and a second mounting block are slidably connected to the fixed frame and the sliding frame respectively; the first mounting block and the second mounting block are both provided with mounting pieces matched with a ceiling lamp. The ceiling lamp mounting piece has the advantages of being stable in structure, convenient to use and capable of facilitating mounting of ceiling lamps of different specifications.

The utility model discloses a training machine of inverted pedal, it is provided with vertical beam on the chassis and is provided with the inclined rack between vertical beam and chassis, and the bottom of inclined rack is provided with standing pedal and bottom pad, and is provided with inclined pad in cooperation with bottom pad, and is provided with inclined guide portion and inclined sliding frame in cooperation with inclined rack and is provided with top bearing frame and upper bearing rod on inclined sliding frame, and shoulder pressure pad and backrest are further provided on inclined sliding frame, and lower bearing frame and lower bearing rod are further provided on the bottom of inclined sliding frame, and backrest is hingedly arranged on inclined sliding frame. Through the above structure setting, personnel stand on standing pedal and realize the training of standing lower back, waist and leg through the force shoulder pressure pad, and the backrest can be used as the pedal under the inverted pedal state after turning over, and the person lies on the bottom pad and realizes the muscle group training of inverted lower leg, the utility model discloses novel structure design, and the conversion of two training states can be realized through novel structure design, and one machine is used in many ways.

The utility model discloses an assembly type self-resetting beam column connecting joint, it includes first steel beam, second steel beam, first steel beam left end part is connected with steel column, and first steel beam right end part sets up first beam side end plate, and first beam side end plate sets up first lug plate, and the first lug plate is connected with the second lug plate through the pin shaft pivot, and the first beam side end plate is equipped with a plurality of nickel titanium alloy bolt rods between second beam side end plate, and the left and right end of nickel titanium alloy bolt rod respectively passes corresponding side first through -hole, second through -hole, and the left and right end of nickel titanium alloy bolt rod is fastened in corresponding side's first beam side end plate, two beam side end plate through nut respectively, and part nickel titanium alloy bolt rod is located on the pin axle upper end side, and part nickel titanium alloy bolt rod is located on the pin axle lower end side, through above -mentioned structural design, the utility model has novel, energy -dissipating effect is good and the advantage that construction is convenient.

The utility model discloses a sealed connecting structure of pipe end, is used for the pipe connecting operation of first pipe and second pipe at the end position, and the female joint is integrally formed at the end of first pipe, the male joint is integrally formed at the end of second pipe, and the pipe connecting element is sleeved on the outside of second pipe, and the male joint is inserted and matched into the female joint through the threaded connection of pipe connecting element and female joint, the male joint and female joint form surface contact, and the male joint and female joint form sealing effect at the contact surface, the utility model adopts the structure design of male and female insertion and matching and taper surface sealing, so that pipe connecting place has high sealing property advantage, the utility model adopts the screw thread with tight connecting structure, and the pipe connecting operation is very simple and convenient, the utility model structure design is novel, can improve the market competitiveness of product after being applied to pipe product, and helps to open the market sale.

The utility model discloses a kind of automatic stripping devices of wire rod, including fixed base, displacement drive mechanism, translation movable frame, peeling mechanism, peeling mechanism includes left side tool rest, right side tool rest, left side peeling knife, right side peeling knife, peeling drive motor, drive swing arm, guide plate, peeling drive motor's power output shaft is equipped with peeling drive gear, drive swing arm includes swing arm disc part, and swing arm gear part is engaged with peeling drive gear, swing arm disc part is rotatably installed in translation movable frame;Swing arm disc part edge portion is provided with first radial long slot, second radial long slot, and guide plate is provided with first guide long hole, second guide long hole;Left side tool rest is equipped with the first drive rod that is inserted into first radial long slot by passing through first guide long hole, and right side tool rest is equipped with the second drive rod that is inserted into second radial long slot by passing through second guide long hole.The utility model has the advantages of novel structure design, strong adjustability and strong adaptability by the above structure design.

The invention discloses a split type capping device for a hot-metal bottle. The split type capping device comprises two movable support mechanisms, two fixed bases and a bottle cover. The two movable support mechanisms are correspondingly arranged, the bottoms of the two movable support mechanisms are movably connected with the two fixed bases, and telescopic devices connected with the fixed bases are arranged on the two sides of each movable support mechanism. The tank cover comprises two half tank cover units, each half tank cover unit is connected to the top of one movable support mechanism, and the two half tank cover units are closed and opened through stretching and retracting of the telescopic device. According to the split type capping device for the molten iron tank and the molten iron tank car provided with the split type capping device, the structure is compact, operation is convenient, the occupied space is extremely small during operation, split type automatic capping of the molten iron tank car is achieved, meanwhile, the heat loss of molten iron is effectively reduced, smoke emission is reduced, and the safety during production is improved.

This invention discloses a strip cutting and inspection device, comprising: a feeding mechanism with a feeding reel, a receiving channel, and a drive mechanism for driving the strip in the receiving channel at set intervals; a cutting mechanism for cutting the parts on the strip; a material handling mechanism with a carrier and a material handling assembly with multiple material handling heads, the carrier being able to move below the receiving channel to receive the cut parts, and the material handling assembly picking up multiple parts from the carrier at a transfer position and transferring them to the unloading position; an inspection mechanism with first and second inspection components for visual inspection of the parts; and an unloading mechanism with two sets of receiving mechanisms and a tray supply mechanism for providing empty trays to the receiving mechanisms, the two sets of receiving mechanisms being used to receive parts that pass or fail inspection. This device features a reasonable, novel, and simplified structural design, high integration and automation, high processing efficiency and quality, and effectively meets the needs of large-scale production.

The utility model discloses waterproof plug air tightness testing equipment, which comprises a testing operation table, a testing assembly is arranged on an operation table top plate of the testing operation table, the testing assembly comprises a supporting frame and a driving air cylinder, a lifting sliding seat is arranged at the driving end of the driving air cylinder, a testing upper die is arranged on the lifting sliding seat, and an upper die cavity and an air hole are formed in the testing upper die; the testing assembly further comprises a testing lower die, a sealing rubber ring is arranged on the upper surface of the testing lower die, a profiling positioning hole is formed in the inner side of the sealing rubber ring on the upper surface of the testing lower die, a receding hole which vertically extends is formed in the testing lower die, and the upper end of the receding hole is communicated with the profiling positioning hole. The test upper die is provided with a profiling test rod, and the lower end part of the profiling test rod extends into the upper die cavity; at least two spring piece mounting holes are formed in the side of the upper die cavity of the upper testing die, and demolding elastic pieces are embedded in the elastic piece mounting holes respectively. Through the structural design, the waterproof plug air tightness testing device has the advantages of being novel in structural design and capable of being effectively suitable for waterproof plug air tightness testing.

The utility model discloses a riverway slope landscape greening structure which comprises a riverway and a slope, a first reservoir and a second reservoir are arranged on the front side and the rear side of the slope respectively and provided with water pumps, a water supply pipe is arranged at the top of the second reservoir, and a water supply nozzle is arranged at the tail end of the water supply pipe. A plant layer, an overburden layer, a porous ecological concrete layer, a reverse filter layer and a permeable pebble layer are sequentially arranged on the side slope from top to bottom, flood discharge drainage pipes are arranged on the side slope and extend downwards to a river channel, the plant layer is turf, and reinforcing nails are arranged on the turf. The turf is arranged on the soil surface of the side slope, the reinforcing nails cover the soil surface of the side slope and are arranged at intervals, turf displacement and soil loss can be prevented, and water in a river channel can be pumped through the first water storage pool and the second water storage pool to be used for watering the turf and landscape trees; the flood discharge water pipe of a cross-shaped structure is arranged on the surface of the side slope, rainwater and flood can be rapidly discharged from the side slope to a river channel, and survival of plants is guaranteed.

The invention discloses flexible automatic drifting equipment. The device comprises a main body frame, an intelligent drift diameter device, a winch pressing plate, a bamboo joint self-locking type bending chain, a winch buffering support, a winch, a driving motor, a drift diameter rod supporting frame, a laser range finder, a torque sensor and a controller. The flexible automatic drift diameter equipment has the following beneficial effects that the occupied space is small, the automation level is high, and the labor intensity is low; the device has the functions of automatic center alignment, in-pipe detection and resistance positioning, can realize the functions of detecting the drift diameter of the sleeve and in-pipe conditions, positioning inner wall defects and the like, and can be applied to various procedures of full-length drift diameter of the sleeve, secondary drift diameter assembly, finished sleeve inspection and the like; the bamboo joint self-locking type bending chain is novel in structural design, and can realize horizontal self-locking and bending unlocking.