57results about How to "Change positional relationship" patented technology

The sucker rod rotating rope hanger consists of a casing, a butterfly spring, a bearing, a bearer, a sucker rod seat, a ratchet wheel, a driving member, and other parts. Its operation principle is that during the sucker rod moves upwards, the increased sucker rod weight and the compressed spring make the driving member rotates clockwise while moving downwards; during the sucker rod moves downwards, the decreased sucker rod weight and the extending spring and the single direction rotating ratchet wheel make the driving member rotates counterclockwise idly; so that each motion period of the sucker rod makes the sucker rod under the action of the rope hanger rotate by some angle.

The invention provides a muscle and bone restoration bed and relates to a medical device bed. The problems that an existing bed is complex in structure and complex to operate, a bed board is of an integrated structure, excessive traction caused by misoperation occurs easily in the treatment process, irreparable damage is caused to a patient, and a medical treatment bed is large in size, expensive in cost and high in maintenance cost are solved. The muscle and bone restoration bed comprises a bed board support, an upper bed board horizontal driving device, a waist clamping belt, a waist tightening rod, a pull rod, a tightening positioning mechanism, a lower bed board reciprocating driving device, a first clamping device and two bed board frames. The lower end of each bed board frame can horizontally slide in two sliding rails, the upper bed board horizontal driving device is installed in the upper bed board frame and can drive the upper bed board frame to move horizontally in the sliding rails, and the lower bed board reciprocating driving device is installed in the lower bed board frame and can drive the lower bed board frame to perform reciprocating motion in the sliding rails. The muscle and bone restoration bed is used for muscle and bone traction restoration treatment.

The invention relates to welding equipment, and particularly relates to quick welding equipment for special metal parts for industry. The invention aims to provide the quick welding equipment for the special metal parts for the industry, which has the advantages of high accuracy in welding positions, time saving and labor saving in welding. In order to solve the technical problem, the invention provides the quick welding equipment for the special metal parts for the industry. The quick welding equipment comprises a bottom plate, support plates, guide sleeves, guide rails, a first screw, a first pressing block and a fixed plate, wherein the support plates are installed on the left and right sides of the bottom plate in a welding mode, the guide sleeves are installed on the front sides of the support plates in a welding mode, the guide rails are connected to the interiors of the guide sleeves in a sliding mode, and first threaded holes are formed in the outer sides of the guide rails. The quick welding equipment has the effects of high accuracy in welding positions, time saving and labor saving in welding, and a mode of rotating around the rotary center of a first bearing seat and around a second sliding block after the metal parts are fixed is adopted.

By aiming at the problems that a double-arm mechanical hand working in a complex field or space environment and deep sea is difficult to manually control and is prone to colliding with obstacles, theinvention provides a double-mechanical-arm cooperative obstacle avoidance algorithm, and relates to a double-mechanical-arm cooperative obstacle avoidance method based on neighborhood traversal. Firstly, a model of mechanical arms and obstacles in working space is established by using a Lagrange extremum method and an ellipsoid bounding box method, and a mathematical expression of the model of theobstacles and the double mechanical arms is solved; then, the adjacent working space of the current poses of the mechanical arms is traversed by applying the neighborhood traversal obstacle avoidancemethod, a collision-free path with the shortest movement distance towards a target point is screened out through a collision detection algorithm, and a virtual target point is introduced to avoid theproblem of oscillating motion generated when the mechanical arms fall into a local minimum value; and finally, a mechanical arm end effector moves to the target point along the relatively-optimal path in a collision-free manner. Meanwhile, when the double mechanical arms move, the double mechanical arms are regarded as mutual obstacle models under the ellipsoid bounding box method, and the collision avoidance problem between the double mechanical arms during cooperative work can be solved.

The invention relates to a swing arm structure and a wishbone type independent front suspension and car. The swing arm structure comprises an upper swing arm, an upper swing arm rotating shaft, an upper swing arm mounting portion arranged on an auxiliary frame, a lower swing arm, a front camshaft, a rear camshaft and a lower swing arm mounting portion arranged on an auxiliary frame. On the premise of no effect on the whole performance, the upper swing arm and the lower swing arm are in a nonparallel position relationship to improve the anti-dive ability, thus the handling stability of the whole car is improved. The invention further relates to the wishbone type independent front suspension including the swing arm structure, and relates to the car including the wishbone type independent front suspension as well.

The embodiment of the invention discloses full-space-domain laser parallelism calibration equipment. The full-space-domain laser parallelism calibration equipment comprises an imaging module which comprises a visible light imaging part used for receiving visible light to form a visible light image and an infrared imaging part for receiving infrared light to form an infrared image, a collimator module arranged in front of the imaging module and used for emitting parallel light for simulating a space flight target, a rotating module used for adjusting a light path of the collimator module relative to the to-be-detected photoelectric equipment, and a lifting module used for adjusting the relative height of the calibration equipment relative to the to-be-detected photoelectric equipment. Thefull-space-domain laser parallelism calibration equipment can complete calibration work of parallelism of a laser weapon laser axis and a tracking axis indoors.

The invention discloses an umbrella-shaped reflector vibration measurement device and method. The device comprises an umbrella-shaped reflector, a vibration excitation mechanism and a vision detectionmechanism. The umbrella-shaped reflector is provided with a reflective film, the vibration excitation mechanism is connected with the umbrella-shaped reflector and used for stimulating the umbrella-shaped reflector to vibrate, and the vision detection mechanism comprises a projector, a binocular vision system and an operating platform. The projector and the binocular vision system are arranged onthe operating platform, a lens of the projector faces the center of the reflective film and is used for projecting mark points to the surface of the reflective film, and the binocular vision system is used for detecting mark point areas on the surface of the reflective film. By noncontact vision detection, the mark points are projected to the surface of the reflective film through the projector;reflective film matching characteristics of the mark points are recognized by the binocular vision system, and accordingly vibration information is processed and analyzed to reflect dynamic morphologyof the reflective film in real time.

The invention discloses a dual-spreading solar wing vibration measuring device and method. The device comprises a dual-spreading solar wing, a vibration excitation mechanism and a vibration detectingmechanism; the vibration excitation mechanism is connected with the dual-spreading sun wing and is used for exciting the dual-spreading solar wing to generate vibration; the vibration detecting mechanism comprises two sets of binocular vision systems and two trusses; the two trusses are arranged in parallel from front to back; the two sets of binocular vision systems and two trusses are in one-to-one correspondence; and each set of binocular vision systems are arranged on the corresponding truss; the two sets of binocular vision systems are used to detect vibration detection marker point areason the front and rear upper surfaces of the dual-spreading solar wing. The two sets of binocular vision systems are arranged on two trusses arranged in parallel from front to back, the two sets of binocular vision systems are used to detect the vibration detection marker point areas on the front and rear upper surfaces of the dual-spreading solar wing, non-contact measurement of the dual-spreading solar wing can be achieved, and more accurate vibration information of the dual-spreading solar wing can be obtained.

The invention discloses an astromesh deployable reflector vibration detection device and method. The device comprises an astromesh deployable reflector, a vibration driving mechanism and a vibration detection mechanism. The vibration driving mechanism is connected with the astromesh deployable reflector and used for driving the astromesh deployable reflector to vibrate. The vibration detection mechanism comprises two groups of binocular vision systems, a cubic supporting frame, a plurality of acceleration sensors and processing equipment. The binocular vision systems are symmetrically arrangedon the cubic supporting frame and used for detecting mark point areas on the surface of the astromesh deployable reflector; the acceleration sensors are arranged on the astromesh deployable reflectorand uniformly distributed around the astromesh deployable reflector; the processing equipment is connected with the binocular vision systems and the acceleration sensors. The astromesh deployable reflector is detected by vision and the acceleration sensors, and accuracy of detection results is improved by combination of advantages of the two detection modes.

The invention discloses a mulching film collector which comprises a torsion spring, a frame, rollers, an end plate, a spring shaft, a rotating shaft, a screen rod and a plurality of screen bars. The rotating shaft is rotatably arranged on the frame and fixed to the rollers, the end plate is fixed with the end surfaces of the rollers, the spring shaft is arranged on the end plate, the torsion spring sleeves the spring shaft, screen bars receive film residues fallen from the rollers, rotation of the rotating shaft drives the torsion spring to leave or go to the screen bars, the screen rod is fixed onto the frame, the ends of the screen bars are mounted on the screen rod, the all screen bars are parallelly arranged along the screen rod, a gap is reserved between adjacent screen bars, and theend of the torsion spring passes the gap. The rollers rotate on the frame along with the rotating shaft to drive the spring shaft on the end plate to rotate around an axis of the rotating shaft, so that position relationships among the torsion spring on the spring shaft and the screen bars are changed. The film residues fallen from the rollers are collected by the screen bars, penetrate the gaps among the screen bars from the end of the torsion spring and are picked up again, turned to a proper position and recollected.

The invention discloses an anti-cutting table type electric saw. The anti-cutting table type electric saw comprises a mounting frame and a workbench, a rectangular through hole is formed in the upperend of the mounting frame, rotating shaft mounting seats are arranged on the upper surface of the mounting frame and located on the two sides of the rectangular through hole, a main shaft is mounted in the rotating shaft mounting seats in a matched mode through bearing pairs, and a saw blade is mounted outside the main shaft in a matched mode; and a first belt wheel is mounted at the end of the main shaft in a matched mode, a motor is fixedly arranged at the lower end of the mounting frame through a motor mounting base, the motor is connected with an external power source through a control switch set, and a second belt wheel is mounted at the end of an output shaft of the motor in a matched mode. According to the anti-cutting table type electric saw, the mode that a feeding mechanism is arranged on the side edge of the workbench is adopted, automatic feeding of short and small workpieces is achieved, manual finger pressing for feeding is not needed, fingers are prevented from being cut, and a protective shell is additionally arranged above the saw blade, so that the saw blade is prevented from hurting people.

The invention discloses a forestry tree transplanting and planting hole digging device for tropical fruit seedling raising, and relates to the field of planting hole digging equipment. The forestry tree transplanting and planting hole digging device comprises a base, two supporting columns are fixedly installed at the top side of the base, a fixing plate is fixedly installed at the top ends of thetwo supporting columns, and a telescopic hydraulic cylinder is fixedly installed at the bottom side of the fixing plate. According to the forestry tree transplanting and planting hole digging device,through the arrangement of a sliding sleeve, when a moving plate moves downwards to dig holes, due to blocking of the sliding sleeve, the moving plate cannot continue to move downwards to dig the holes, and therefore the planting holes with the fixed depth can be dug out, workers do not need to observe all the time any more, the burden of the workers is relieved, and the hole digging efficiency is improved; and when an annular rotating block is rotated, the position relation between a clamping block and a clamping groove can be changed, so that a hole digging rotating rod can be loosened or fixed, replacement is convenient, the planting holes with different diameters can be dug by the device, and the practicability of the device is improved.

The invention discloses a balance weight device. The balance weight device comprises a balancing weight, a sliding device, a connecting frame, a balance weight output device, a support, a pulley set and a balance weight hook. By means of the lever principle, the stepless balance weight adjustment can be carried out according to the demand for force.

The invention relates to an elevator accessory machining device, in particular to a mechanical machining device which comprises a base frame, a displacement plate assembly, a rack fixing assembly, anadjustable displacement assembly, a height adjusting mechanism, an adjustable cutting mechanism and scrap clearing mechanisms. The displacement plate assembly is fixedly installed on the base frame. The rack fixing assembly is installed on the base frame in a sliding manner. The adjustable displacement assembly is fixedly installed on the rack fixing assembly. The height adjusting mechanism is fixedly installed on the base frame. The adjustable cutting mechanism is installed on the height adjusting mechanism in a sliding manner. The scrap clearing mechanisms are fixedly installed at the two ends of the height adjusting mechanism correspondingly. The mechanical machining device has a function of carrying out adjusting according to different specifications of machined racks, meanwhile, the device also has a function of adjusting the opening diameter of a cutter, production cost increase caused by cutter replacing is avoided, the device further has a scrap clearing function, and the situation that scraps enter the device, and are generated is prevented.

The invention discloses a flexible truss vibration detection device and method. The device comprises a flexible truss, a piezoelectric driving mechanism and a vibration detection mechanism. The piezoelectric driving mechanism is connected with the flexible truss and used for driving the flexible truss to vibrate; the vibration detection mechanism comprises a binocular vision system, an operating platform, an acceleration sensor and processing equipment; the binocular vision system is arranged on the operating platform and used for detecting a mark point area of the flexible truss; the acceleration sensor is arranged on the flexible truss; the processing equipment is connected with the binocular vision system and the acceleration sensor. The flexible truss is detected by vision and the acceleration sensor, and by advantage combination of the two detection modes, the defect of low image contrast of vision detection under the condition of light insufficiency is overcome while flexibilityand high adaptability of vision detection are shown.

The invention discloses a tunnel boring machine. The tunnel boring machine comprises a front base body, a thrust oil cylinder and a tight supporting shield which are sequentially arranged from front to back; the thrust oil cylinder comprises an upper thrust oil cylinder body and a lower thrust oil cylinder body arranged on the lower side of the upper thrust oil cylinder body; the front base body comprises a lower telescopic shield, a cutter head and a front shield; the front end and the rear end of the thrust oil cylinder are hinged to the front shield and the tight supporting shield correspondingly; the lower telescopic shield comprises a lower telescopic oil cylinder body and a lower shield shell connected to the bottom end of the lower telescopic oil cylinder body; the upper end of the lower telescopic oil cylinder body is connected to the front shield; and under driving of the lower telescopic oil cylinder body, the lower shield shell can move downwards to the rear side of the bottom face of the front shield and can retract to the position above the bottom face of the front shield. In the state that the lower shield shell retracts to the position above the bottom face of the front shield, the front base body has the tendency of swinging relative to the horizontal plane. The front base body can generate the inclination tendency through telescopic movement of the lower telescopic shield, due to the fact that automatic swinging of the front base body can be used, the thrust requirement for the thrust oil cylinder can be lowered, and steering of the small turning radius is achieved.

The invention discloses detection apparatus and method for the deformation and vibration of a polygonal plate based on digital speckles. The deformation detection apparatus comprises a polygonal plate, a driving force-applying mechanism, and a deformation detection mechanism. The polygonal plate is sprayed with random speckles. The driving force-applying mechanism is connected with the polygonal plate and used for driving the polygonal plate to perform linear reciprocating motion. The deformation detection mechanism comprises a binocular vision system for detecting random speckles on the polygonal plate, and a processing device connected with the binocular vision system. The deformation detection apparatus uses the random speckles sprayed on the polygonal plate as mark points, and visuallydetects the deformation of the polygonal plate, so that the advantage of non-contact is realized. The interference of circuit noise does not need to be introduced; the measurement precision is high;and comprehensive, rapid, and high-precision deformation detection of the polygonal plate and similar structures can be realized; in addition, vibration characteristics of the polygonal plate and similar structures can be detected visually.

The invention discloses a light-transmitting ceiling aluminum plate, and belongs to the field of ceiling aluminum plates. The light-transmitting ceiling aluminum plate comprises a supporting structure and a shading structure, wherein the supporting structure comprises connecting plates, auxiliary rod connecting ends, sleeving folded plates, stretching angle rods, threaded hanging rods, fixing plates, hanging rod column bases and steel cable penetrating holes; the connecting plates are arranged at the two ends of the supporting structure; the surface of each connecting plate is fixedly connected with the hanging rod column bases; the tail end of the upper side of each hanging rod column base is in threaded connection with a threaded hanging rod; the outer side surface of each threaded hanging rod is in sleeving with the stretching angle rod; the tail end of one side of each stretching angle rod penetrates through the bottom of each sleeving folded plate; the tail end of one side of each stretching angle rod is fixedly connected with the auxiliary rod connecting end; and the bottom end of each sleeving folded plate is fixedly connected with the fixing plate. By use of the light-transmitting ceiling aluminum plate, the light and shade relation of light rays and pattern conversion can be adjusted, an illumination area has a containing structure, the irradiation range of the light rays can be adjusted, conversion of a light-transmitting area can be controlled, and the impression experience is improved.

The invention discloses a fixing device for cutting of building construction plates. The fixing device comprises a fixing platform, threaded rods, a supporting platform, first supporting frames and telescopic columns. The left side and the right side of the fixing platform are fixed to supporting seats; the threaded rods transversely penetrate through the supporting seats, clamps are fixedly arranged at the ends, close to the fixing platform, of the threaded rods, and hand wheels are fixedly arranged at the ends, away from the fixing platform, of the threaded rods; the supporting seats are mounted on the left side and the right side of the upper end of the supporting platform, and a connecting seat is arranged under the supporting platform; rotating shafts are arranged on the left side andthe right side of the lower portion of the connecting seat, and a handle is mounted on the front side of the connecting seat; and the upper ends of the first supporting frames are connected to the rotating shafts in a sleeving mode, and second connecting frames are mounted on the sides, close to the connecting seats, of the first supporting frames. The fixing device for cutting of the building construction plates can stably fix the plates with different lengths and widths within a certain range, is convenient to operate and meanwhile has a shock absorption function, and thus the using demandsare met.

The invention relates to the technical field of lighting devices, and discloses a table lamp mechanism capable of automatically adjusting light brightness. The table lamp mechanism comprises a base, wherein a support rod is fixedly connected to the top part of the base, and a brightness meter is fixedly connected to the top part of the base. According to the table lamp mechanism capable of automatically adjusting lamplight brightness, the brightness meter controls a motor to rotate by detecting the brightness of a bulb and the ambient brightness, a first rotating disc further drives a second rotating disc to rotate, at the moment, connecting rods eccentrically rotates on the rotating discs, the position relation between a sleeve rod and a resistance wire is changed, and therefore the effect of changing the contact region between the resistance wire and the sleeve rod is achieved; and due to the fact that the contact area of the resistance wire and the sleeve rod is changed, the lengthof the resistance wire between a first power connection point and a second power connection point is changed, the resistance connected into a circuit is further changed, the brightness of lamplight ischanged accordingly, and the effects of automatically adjusting the brightness of the lamplight and reducing damage of the lamplight to eyes are achieved.

The invention discloses a concave surface and convex surface detecting method and device of an object with the concave surface and the convex surface being mirror reflection surfaces. The detecting method comprises the steps that 1 a light source which is located at a set irradiation position and can emit divergent light is used for irradiating a surface to be detected, the surface to be detected is the surface of an object to be detected, the object to be detected is located at a set detection position, the surface to be detected is a mirror reflection surface, and meanwhile, a projection surface at a set receiving position is used for receiving reflection light which is reflected onto a projection surface through the surface to be detected; 2 the projection surface is observed, if no image is formed on the projection surface, the object to be detected is unqualified; if an image is formed on the projection surface, the image is compared with a standard image and whether the surface to be detected is a concave surface or a convex surface is judged. The difference between the image formed on the projection surface when the light source irradiates the concave surface and the image formed on the projection surface when the light source irradiates the convex surface is obvious, a detection personnel can directly observe the difference through naked eyes and the detecting cost is low.

The invention relates to the technical field of automobile parts, in particular to a novel automobile oil filler lock device. The device comprises a base, a springback mechanism, an opening mechanism,a locking mechanism, a connecting mechanism, a fixing mechanism and a spring bolt. The base comprises a bottom plate. The springback mechanism comprises connecting plates and a rotating ring, and thelower surfaces of the two connecting plates are connected with the upper surface of the bottom plate. The opening mechanism comprises an opening rocker arm plate. The locking mechanism comprises mounting clamping seats and first rotating columns. The connecting mechanism comprises connecting frames, connecting clamping seats, second rotating columns and elastic ropes. The fixing mechanism comprises supporting columns and a fixed ring, the lower surfaces of the four supporting columns are connected with the upper surface of the bottom plate, and the lower surface of the fixed ring is connectedwith the upper surface of the bottom plate. The spring bolt comprises a long pressing column and an inner clamping column, and the upper surface of the inner clamping column is connected with the lower surface of the bottom plate. In the device, a positioning column slides in the inner clamping column, the task of compressing a compression spring is completed, namely, the locking state and the opening state are changed, and a clamping block can prevent an outer clamping column and the inner clamping column from sliding and falling off.