141results about How to "Easy to control the angle" patented technology

The invention discloses a multi-missile time cooperative guidance method with collision angle constraint. A new missile and target dynamic equation is built under the reference coordinate system, andon the basis of the optimal control theory, a guidance rule of the tail end collision angle constraint is designed; the error between current remaining flying time of missiles and the expected remaining flying time serves as a sliding mode surface, the remaining flying time of the missiles has tendency to the expected remaining flying time, on the basis of the sliding mode control theory, the timecontrollable guidance rule is designed; the switching strategy of the tail end collision angle controllable guidance rule and the time controllable guidance rule is designed for enabling the missilesto hit the target at the expected time and angle; a multi-missile time cooperative communication network is built, on the basis of a dual-layer cooperative guidance framework, coordinated variable isdesigned to enable the remaining flying time of the missiles to tend to be consistent, the missiles can hit the target at the same time at the expected collision angles, and multi-missile time cooperation in real meaning is achieved.

An interactive type showcase comprises a containing unit, a light-transmitting face plate, a sensor, light source modules and a processing unit, wherein the containing unit is provided with a show shelf used for placing exhibited merchandise; the light-transmitting face plate is arranged on the front face of the containing unit, can be a transparent display panel and can also be provided with a touch area partially; the sensor can be a photo sensor and / or a proximity sensor; the light source modules are arranged in the containing unit and used for illuminating the exhibited merchandise on the show shelf; the processing unit controls the light source modules according to induction results or preference of users. Thus, the luminous intensity, the luminous chromaticity, the luminous color temperature, the luminous frequency spectrum and / or the illumination angles of light sources inside the light source modules are changed by means of the induction results of the sensor or operation conducted by consumers on the touch area, and therefore the optimal luminous effect is obtained.

The invention relates to a system for testing heat transfer and resistance characteristics of a large-size generating equipment heat exchanger. The system comprises a straight flow type air duct system, a circulating water system and a circulating oil system. The straight flow type air duct system inhales air, after heating, flow mixing and rectification, the air flows into the air cooling device; after heat exchange through an air cooling device tester, hot water is inputted by a water pump to a cooling tower for cooling, the cooled water is heated by an air heater to realize water temperature required by a test and then flows into a heat exchanger tester to form a temperature-controllable circulating water system; oil in an oil tank is heated, the heated oil flows into the heat exchanger tester, the oil after heat exchange flows into an oil storage tank to form the circulating oil system; the circulating water system and the circulating oil system respectively realize closed circulating and are used for testing heat transfer coefficients and resistance characteristics of the heat exchanger. The test system can test heat transfer and flow resistance characteristics of the air cooling device and an oil cooling device, can realize water cycle utilization and greatly saves resources.

The invention discloses an abdominal cavity distraction device which comprises a support connected to a bed body. A sleeve is arranged on the support. Two abdomen distraction arms which are driven by a driving mechanism to move relatively are connected in the sleeve in a sliding mode. Abdomen distraction plates are arranged at the outer-extending ends of the two abdomen distraction arms respectively. Inserting long grooves are formed in the two abdomen distraction arms respectively. Pulling rods with the widths smaller than those of the inserting long grooves are inserted in the inserting long grooves. Viscera traction plates are arranged on the end portions, extending to the positions between the two abdomen distraction arms, of the pulling rods. The abdomen distraction arms are connected with locking bolts which extend into the inserting long grooves in a screwing mode. The abdominal cavity distraction device has the advantages that the angle and the force of viscera traction can be guaranteed, and surgical field exposure can be guaranteed.

An adjustable suspension member of a vehicle suspension system is adapted for supporting a frame of vehicle. The suspension member interconnects first and second components of the vehicle, and enables movement of the first component relative to the second component when the vehicle is in motion. The suspension member includes an elongated swivel link assembly having first and second opposite ends. The first end is operatively connected to the first component of the vehicle, and the second end is operatively connected to the second component of the vehicle. The link assembly swivels about a longitudinal axis defined by the suspension member. The swivel range is greater than 45 degrees.

The invention discloses a super large curved surface glass curtain wall mechanical installation method. The super large curved surface glass curtain wall mechanical installation method comprises the following steps of construction preparation, suction of the glass through an electronic suction cup, binding of a haulage rope and a basket strap, trial suspending of the glass, setting of glass in place and setting of ladder truck personnel in place, fine tuning of the glass, loosening of the haulage rope and installation of a press block. By utilizing the electronic suction cup to suck the glass, most of the weight of the glass is borne by a crane and the suction cup, the manual work at the carrying place of the glass is reduced, the ladder truck is a novel introduced machine and can conveniently adjust the height and the angle, only operating personnel stands on the ladder truck, the weight of the glass is not borne, the stress of people and materials is divided, and the method is safer and more efficient.

Disclosed are a BRDF (Bidirectional Reflectance Distribution Function) automatic test system and a test method. The test system comprises a solar simulator, an electric displacement table, a detectionsystem, a BRDF spectrum automatic acquisition system, and a BRDF data processing system. The solar simulator emits a visible light beam to irradiate a sample on the electric displacement table. The electric displacement table is used for realizing movement and rotation of the sample in a three-dimensional space. The detection system comprises a movable platform, a two-dimensional rotary platformmounted on the movable platform, a telescope, a fiber probe, and a spectrometer connected with the optical fiber probe through detection optical fibers. The BRDF spectrum automatic acquisition systemis used for controlling motions of the electric displacement table, so that the electric displacement table drives the sample to rotate at any angle in the space. The spectrometer controlling the detection system collects scattering spectrums at any angle of the sample. The BRDF data processing system is used for processing collected spectrum data to obtain BRDF data at any angle. The BRDF automatic test system is adjustable in detection distance, can achieve detection of long-distance and large-volume objects, and is high in detection precision.

An adjustable suspension member of a vehicle suspension system is adapted for supporting a frame of vehicle. The suspension member interconnects first and second components of the vehicle, and enables movement of the first component relative to the second component when the vehicle is in motion. The suspension member includes an elongated swivel link assembly having first and second opposite ends. The first end is operatively connected to the first component of the vehicle, and the second end is operatively connected to the second component of the vehicle. The link assembly swivels about a longitudinal axis defined by the suspension member. The swivel range is greater than 45 degrees.

System and method for controlling internal combustion engine valve lift and valve opening by an arrangement of cams with overlapping cams track that synchronize and vary the rise, fall, and dwell of the inlet and exhaust valves of an IC engine.

The invention relates to the technical field of building sunshade equipment, in particular to an intelligent building sun louver with angle convenient to adjust. The intelligent building sun louver ischaracterized in that two right-angle fixing seats are symmetrically arranged in left and right directions, mounting seats are arranged on the opposite surfaces of the two right-angle fixing seats, fixing parts are fixedly connected to the top ends of the right-angle fixing seats, a first rotating shaft is fixedly arranged between the two mounting seats in a penetrating manner, partition plates are fixedly arranged in the middle of the mounting seats, the sun louver is fixedly inserted between the inner top surfaces of the partition plates and the the mounting seats, a supporting plate is fixedly connected between the upper ends of the right-angle fixing seats, and an angle adjusting mechanism is arranged at the bottom of the supporting plate. According to the sun louver, light sensors are fixedly arranged on the front side walls of the bottom ends of the right-angle fixing seats on the left side and the right side, the light sensors are connected with an external power supply and a controller, the sun-shading angle of the sun louver can be adjusted along with the change of the solar height, the automatic adjusting mode is adopted, and the intelligent degree of the device is improved.

The invention discloses an urban anti-haze and anti-dust safety control water spraying vehicle. The invention belongs to the field of air pollution control; the water spraying vehicle comprises a water spraying vehicle body, a water tank is mounted on the water spraying vehicle body; the water tank is communicated with an air suction pipe, an air suction hopper is arranged at the inlet end of theair suction pipe; a spray row is arranged at the outlet end of the suction pipe; stirring motor mounted on water tank, an output shaft of the stirring motor is connected with a rotating shaft, stirring blades are mounted on the rotating shaft and arranged in a water tank, a water inlet pipe is mounted on the water tank, a water suction pump is mounted on the water inlet pipe, a water spraying pipeis arranged on the water tank, the outlet end of the water spraying pipe is provided with a water spraying disc movably, one end of a water passing branch pipe is communicated with the water sprayingpipe, and the other end of the water passing branch pipe is communicated with a water spaying gun. According to the vehicle, dust in the air can be conveniently absorbed and filtered by water, dust on the road surface can be conveniently sprayed, flying of the dust and the like is avoided, atmospheric pollution is prevented from being affected, haze and the like are reduced, the safety of the surrounding environment of people is improved, the environment-friendly effect is improved, and the vehicle is convenient to use.

The invention discloses a jumping robot with controllable energy storage capacity and jumping angle. The jumping robot comprises a rack, a controllable winding / unwinding unit, a jumping leg unit and aposture adjusting leg unit. The controllable winding / unwinding unit can enable the main driver to rotate in the two directions to be used for winding and unwinding the stay wire through the stay wirewheel. The jumping leg unit is positioned at the rear part of the rack and comprises two branches of the same structure, each branch is composed of a connecting plate, a supporting rod, a foot rod, ashank rod, a thigh rod and an energy storage spring, the supporting rod, the foot rod, the shank rod and the thigh rod jointly form a planar four-rod mechanism, the two ends of the energy storage spring are connected with the supporting rod and the shank rod respectively, and the energy storage spring can be stretched through the stray wire to achieve energy storage. The posture adjusting leg unit is installed at the front end of the rack and can achieve swinging of the front limb rod relative to the rack under driving of the steering engine, and therefore the jumping angle is changed. The energy storage capacity and the jumping angle can be adjusted, the bounce force has the bionic characteristic, the structure is compact, control is easy, and the mass is light.

The invention discloses a medical flushing device for an external auditory canal and aims to provide an electric medical flushing device for the external auditory canal, and the electric medical flushing device is novel in structure, convenient to use, comfortable and safe and has multiple operation positions. The medical flushing device comprises a flushing control device container, a flusher, a hose, a negative-pressure input control pipeline and an electrical device. The improvement is made for defects of uncontrollable temperature, pressure and angle of flushing liquid and unrecyclable mixed flushing liquid in the prior art. The key points of the technical scheme solving problems are as follows: the flushing liquid is conveyed by adopting a direct-current micro-motor pump, and optimal flushing force is realized through voltage regulation control of a direct-current silicon controlled rectifier on rotational speed of the motor and the pump; a preheating cavity is formed, so that automatic temperature control of the flushing liquid is realized; a negative-pressure cavity is formed, so that recycling of the mixed flushing liquid is realized; a liquid collection cavity is formed and the flushing liquid is used for flushing the wall of the external auditory canal at an angle of 90 degrees from an inner chamfer at an outer pipe end, so that a flushing treatment effect is improved. The medical flushing device is suitable for clinical application of cerumen in the external auditory canal, foreign matters in the external auditory canal, otitis externa and otitis media.

A glass cutting method relates to a green laser engraving point cloud-based novel glass cutting method and comprises the following steps of: establishing a cutting model in a computer with 3D modeling software; converting the 3D cutting model into a point cloud model by utilizing professional software; reasonably regulating the density of point clouds; carrying out point cloud processing on the surface and interior of glass materials to be processed according to the produced point cloud model by utilizing a laser device and combining a processing platform and a galvanometer system; after the processing is finished, applying mechanical force to lead the glass to break according to a preset track to complete cutting. The glass cutting method is applicable to cutting of various glass materials, can be used for irregular processing, conducting slope cutting, and is low in power by using the laser device, and high in cutting efficiency.

The invention discloses an abdominal cavity operation speculum which comprises a supporting bracket connected to a bed body, a sleeve is arranged on the supporting bracket, two abdomen opening arms which move relatively driven by a drive mechanism are connected in the sleeve in a sliding mode, the outwards-expansion ends of the two abdomen opening arms are provided with abdomen opening plates respectively, the two abdomen opening arms are provided with plug-in long grooves respectively, pulling rods with the widths being smaller than the widths of the plug-in long grooves are inserted in the plug-in long grooves, a visceral organ traction plate is arranged on the end portion, stretching into the space between the two abdomen opening arms, of each pulling rod, and locking bolts extending into the plug-in long grooves are connected to the abdomen opening arms in a threaded mode. The abdominal cavity operation speculum has the advantages of guaranteeing the angle and force for stretching a visceral organ and guaranteeing operation vision exposure.

The invention discloses a safe soil on-site remediation integrated device. The invention belongs to the field of soil remediation. The device comprises a moving vehicle, a telescopic rod is arranged at the front end of the moving vehicle, a coulter is mounted at the bottom end of the telescopic rod, a rotating platform is arranged on the moving vehicle, a mechanical excavating arm is arranged on alifting column, an excavator bucket is mounted on the mechanical excavating arm, a treatment box is arranged on the moving vehicle, a partition plate is arranged in the treatment box, a water tank isarranged on the side wall of the treatment box, a water pipe is arranged on the water tank, a spraying disc is arranged at the outlet end of the water pipe, a sterilizing lamp is arranged on the inner wall of the treatment box, a strain adding pipe is arranged at the top end of the treatment box, an air injection tank is installed on the moving vehicle, a rotary drum is arranged in the treatmentbox, and multiple overturning plates are evenly arranged on the outer wall of the rotary drum. Office remediation is directly carried out on site, soil does not need to be dug out and transported, intermediate steps are saved, time and labor are saved, the soil remediation effect and efficiency are improved, harmful substances in soil are conveniently removed, soil remediation is facilitated, safety is improved, and use is convenient.

The invention relates to the technical field of agricultural machinery, and particularly relates to a large-grain seed directional positioning precision seeding device. The large-grain seed directional positioning precision seeding device comprises a seed supply mechanism with a plurality of seed supply openings, wherein the output end of the seed supply mechanism is connected with a plurality ofgrooved wheel covers distributed corresponding to the seed supply openings; the inner side of each grooved wheel cover is rotationally connected with a seed falling grooved wheel; and the plurality ofseed falling grooved wheels are fixedly connected in the circumferential direction. The plurality of seed falling grooved wheels are arranged at the output end of the seed supply mechanism; the plurality of seed falling grooved wheels are fixedly connected in the circumferential direction; an included angle is formed in the circumferential direction; in the moving process of the equipment, the seed falling grooved wheels rotate; seeds in the plurality of seed falling grooved wheels sequentially fall off; the seeds are not in one row and are in one inclined line distribution; the falling angleon the ground is controlled according to a seed discharging mechanism; the controllable seed cotyledon growth direction is ensured; the seed falling grooved wheels are arranged at the tail end of theseed supply mechanism, so that the speed is low when the seeds slide down; and the position and the angle are controllable; the precision is high.

The invention provides a storage tank and a mixing station. The storage tank comprises a silo, a lime inlet pipe, an anti-separation device and a mortar mixer. Part of the lime inlet pipe is arranged in the silo. The inlet of the lime inlet pipe is formed in the outer side of the silo and used for feeding materials to the silo. The anti-separation device connected with the outlet of the lime inlet pipe is arranged in the silo. The outlet of the anti-separation device is formed in the silo to convey the materials to the bottom of the silo. The outlet of the bottom of the silo is communicated with the inlet of the mortar mixer and used for adding water to mix materials. A plurality of perpendicular supporting legs are fixed to the bottom of the silo. Weighing sensors are arranged on the supporting legs. The supporting angles, provided for the silo, of the supporting legs are all 90 degrees, and supporting force borne by the supporting legs is same, and the parameters of the weighing sensors do not need to be adjusted, so that working procedures are reduced, and production efficiency is improved.

The invention discloses a high-fatigue-resistance composite material automobile plate spring and a manufacturing method thereof. The high-fatigue-resistance composite material automobile plate springcomprises at least one layer of unidirectional fiber layer which is stacked and laid, and at least one layer of two-dimensional braided sleeve which sleeves the outer surface of the unidirectional fiber layer. The manufacturing method comprises the following steps: stacking and laying at least one layer of the unidirectional fiber layer; sleeving the at least one layer of the two-dimensional braided sleeve on at least one layer of the unidirectional fiber layer with the at least one layer of two-dimensional braided sleeve to prepare a fiber pre-molded body; putting the fiber pre-molded body into a molding mold, and adopting a molding technology for immersing, curing, de-molding and trimming to obtain the composite material automobile plate spring. According to the high-fatigue-resistance composite material automobile plate spring, the properties of continuous fibers, controllable angles and good mold adhering performance in the two-dimensional braided sleeve are utilized and the automobile plate spring with high fatigue resistance and excellent inter-laminar shearing resistance is prepared; the preparation technology is simple and the problems that a traditional pure unidirectionallaid fiber plate spring has no restriction in an annular direction and poor fatigue resistance and a three-dimensional pre-molded body braiding technology is complicated are effectively avoided.

The invention provides a multifunctional easy-to-move storage device for engineering cost articles. The multifunctional easy-to-move storage device for engineering cost articles comprises a storage box main body, an adjustable moving base structure, a folding book engineering cost writing board structure, a combined storage board structure, a mosquito-repelling and moisture-proof box structure, asupporting rod, a clamping ring, a storage box cover, a net bag, fixing blocks, an anti-skidding sleeve, a handle, restricting straps, a pen bag and a sliding rail, wherein the storage box main body is connected to the upper surface of the adjustable moving base structure through screws. Through the arrangement of moving wheels, the movement of the engineering cost tool storage device is facilitated, so that operation is simple; through the arrangement of a telescopic cylinder, an adjusting bolt, a pull rod and a pull handle, adjustment of the length of the pull rod according to actual movement needs is facilitated, so that actual using needs are met; through the arrangement of a writing board, a roller, spring clamps and supporting legs, the writing board can be conveniently supported, sothat writing for recording information thereon is convenient; the problem that the conventional storage device has a single function is solved.

The invention provides an aluminum alloy profile processing system. The system comprises a base, a bending angle adjusting mechanism, a positioning mechanism and a bending mechanism, wherein the bending angle adjusting mechanism comprises a driving motor, an angle control part and an angle positioning part, and the driving motor is connected with the base; and the angle control part comprises a rotating body rotating around a rotating axis as well as a first angle control body, a second angle control body and a third angle control body which are all connected with the rotating body. The firstangle control body is arranged as a first circular arc surface, the second angle control body is arranged as a second circular arc surface, and the third angle control body is arranged as a third circular arc surface. The driving motor is connected with the rotating body, the angle positioning part is connected with the base, the positioning mechanism is connected with the base, and the bending mechanism is connected with the base. The aluminum alloy profile processing system has high automation degree and high bending quality, and is cost-saving.

The invention relates to a five-axle numeric control milling machine which comprises a lathe bed, a workbench, a chuck, a tailstock, a tool apron provided with a cutter, a tool apron installation frame and a numeric control device and is characterized in that a deflection control box is installed between the tool apron installation frame and the tool apron, a worm gear and worm transmission pair is installed in the deflection control box, a servo motor is installed outside the deflection control box, is connected with the numeric control device and drives the tool apron to deflect through the worm gear and worm transmission pair and fixes the tool apron at an angle. The five-axle numeric control milling machine increases the function of tool apron deflection on the basis of the traditional numeric control milling machine, is particularly suitable for machining an inclined hole on a part and has the advantages of angle controllability, reasonable structure, simpleness of operation and control accuracy.

The invention is to solve the problem that an existing safety warning device is not comprehensive enough and discloses a safety warning device for electromechanical equipment. The safety warning device comprises a warning box, first fastening screws, slide bars, telescopic tubes, first spiral springs, fixation blocks, rotation boards, lamp covers, connection blocks, caution lights, second fastening screws, a rotation shaft, a first wire, switches, a second wire, third fastening screws, a positioning plate, a support frame, an installation block, first fastening screws, a power supply, pressingplates, second spiral springs, a guide rod, sleeve rings, a first friction layer, screw rods, a sliding plate, a first contact block, third spiral springs, a second contact block, a connection board,a second friction layer and guide slots. The device relates to the field of safety of the electromechanical equipment; through cooperation of the caution light, the first friction layer and the second friction layer, acousto-optic alarm can be carried out; and the safety warning device is safer, is convenient to operate and is safe and reliable.

A liquid crystal display device includes: a liquid crystal display panel; a light guide plate having adjacent first and second light incidence surfaces below the liquid crystal display panel; a reflection plate disposed under the light guide plate; and first and second light-emitting diodes (LEDs) facing the first and second light incidence surfaces, respectively, wherein the light guide plate comprises: a first prism pattern configured on a lower surface of the light guide plate and extending in a first direction parallel to the first light incidence surface; and a second prism pattern configured on an upper surface of the light guide plate and extending in a second direction parallel to the second light incidence surface.

The invention discloses a method for three-dimensionally capturing and rotating a micromechanical member by using an ultrasonic radiation force. In the method, four ultrasonic transducers are used to generate a wave beam having a spiral wave front, the wave beam interferes and is superposed with a radiation wave beam generated by an ultrasonic transducer which is coaxial with and opposite to the four ultrasonic transducers, an interferential sound field has the capacity for three-dimensionally capturing the micromechanical member, and the direction angle of an ultrasonic radiation force potential trough along the circumferential direction of an ultrasonic transducer phase is adjusted and changed to drive the micromechanical member to rotate around an axis. Compared with the conventional operation policy, the method has an important function of angle control and can control the rotation direction and angle of the micromechanical member. The method plays a significant role on occasions when non-contact operation of the micromechanical member is required and can be used in high-tech fields of micro electro mechanical system manufacture and assembly, biomedical engineering and the like.

The invention provides a welding frame capable of clamping workpieces, and relates to the field of welding equipment. The welding frame that can clamp the workpiece includes a bracket plate, the front and rear sides of the bracket plate are fixedly connected with horizontal plates, the top middle end of the bracket plate is provided with a welding groove, and the top of the bracket plate and Both sides of the welding groove are fixedly connected with slide rails, and a slide groove is provided inside the slide rail, and a first slide plate and a second slide plate are arranged symmetrically with the central axis of the slide rail in the inside of the slide groove. The bottoms of the opposite sides of the first slide plate and the second slide plate are fixedly connected by a support plate. The welding frame that can clamp the processed parts has a simple structure and is easy to use, and can clamp and fix the welded parts when the workers are welding, which provides convenience for the workers and will not affect the angle of the workers when welding , Increased welding efficiency.

The invention discloses a preparation device of an environment-friendly alloy new material alloy bar for a food mechanical part. The device comprises a bottom plate, a processing box and a polishing sheet, the processing box is mounted at the upper end of the bottom plate, a telescopic motor is arranged at the left end of the inner side of the processing box, a fixed plate is mounted at the front end of the telescopic motor, and a fixed cylinder, a rotating frame and a roller are mounted at the inner side of the fixed plate; and a mounting seat is mounted at the bottom end of the middle of the inner side of the processing box, a motor frame is mounted at the upper end of the mounting seat, a first rotating motor is mounted at the inner side of the motor frame, a first belt wheel is mounted at the front end of a rotating shaft of the first rotating motor, a fixing frame is mounted in the middle of the upper end of the motor frame, a rolling bearing is mounted at the left side of the upper end of the fixing frame, and a second belt wheel is mounted at the inner side of the rolling bearing. A belt is installed between the first belt wheel and the second belt wheel, a limiting plate is installed at the left end of the second belt wheel, and a first threaded rod and a clamping plate are installed in the middle of the limiting plate. The preparation device is reasonable in structure, the alloy bar can be conveniently clamped and polished, and the polishing efficiency and the polishing effect are effectively improved.

The invention discloses an abdomen opening device, which comprises two abdomen opening arms one ends of which are hinged together, and the other ends are respectively provided with an abdomen opening plate, the hinged end of the two abdomen opening arms is provided with a locking device, at least one abdomen opening arm is in sliding connection with a pull rod, the abdomen opening arm is also provided with a pull rod locking device, and the end close to the abdomen opening plate on the pull rod is provided with a viscus dragging plate; and the viscus dragging plate is connected on the pull rod via a direction regulating mechanism. When abdominal surgery is carried out, the abdomen opening device can make the operative field exposed sufficiently, the viscera dragging plate at the pull rod stretch-in end is used for poking other viscera to replace the manual operation of medical workers, which is conductive to controlling the force and the angle when dragging the viscera, and greatly reduces the working intensity of the medical workers, so the invention has the advantages of ensuring the angle and the force for dragging the viscera and ensuring the exposure of the operative field.

The invention relates to an optical detector for a medical bone nail. The detector comprises a pedestal, a fixed side thimble and a fixed rotation assembly; slide rails are mounted on the pedestal; the fixed side thimble is in sliding connection with the two slide rails via a crossbeam, slide blocks are mounted in the two ends of the crossbeam respectively, and each slide block slides along the slide rails for adjustment; the fixed rotation assembly comprises a rotation side thimble, a thimble chuck and a dial contained hand-operated wheel connected successively, and the dial contained hand-operated wheel is connected with the thimble chuck via a rotating shaft and rotates with the chuck in a linked way; and the rotation side thimble and the fixed side thimble are arranged opposite to eachother in a separate way. The two ends of the bone nail to be detected are clamped, one end relates to a structure capable of displacement adjustment, the application range of the detector can be widened effectively, in the other end of the clamping structure, the dial contained wheel drives the whole bone nail to rotate, and thus, the detector can accurately and rotationally detect the full profile and dimension of the bone nail, and technical problems in the prior art are solved.