47results about How to "With activity space" patented technology

The invention discloses a special tool for orthopaedic medical internal and external fixation instruments. The special tool comprises a base, a fixed sleeve, an L-shaped clamping claw and a clamping block, wherein one end of the fixed sleeve is fixedly arranged on the base, and the other end of the fixed sleeve is hinged to one end of the symmetrical L-shaped clamping claw; the other end of the L-shaped clamping claw is rotatably connected with the clamping block through a pin roll; the upper end of the clamping block is hinged to the outer side end of the L-shaped clamping claw through a first electric telescopic pole; one side, away from the first electric pole, of the clamping block is symmetrically provided with movable plates; certain ends of the two movable plates are hinged to the clamping block; the other ends of the two movable plates are connected with a rubber cushion; a resisting plate is arranged between the two movable plates; and the resisting plate is connected with a resisting plate through a second electric telescopic pole at the inner side of the clamping block. The special tool adopts a novel design, and can drive the clamping block to perform angle regulation through the first electric telescopic pole, so that angle regulation is improved when a medical worker performs operation, and the use is convenient.

The invention discloses a pressure test machine loading device. The device comprises a shell and a loading part, the loading part is arranged in the shell, the loading part comprises a fixed chassis and a plurality of loading blocks, the loading blocks are arranged on the fixed chassis in a crisscross manner, and a gap exists between the adjacent loading blocks. The pressure test machine loading device pressurizes a test piece in a modular loading manner, the single loading blocks can pressurize independently, and the gap exists between the adjacent loading blocks, so the loading blocks have a certain expansion space and a certain moving space, thereby the influences of the ring hoop effect are maximally reduced, the accuracy of a pressure loading test result is improved.

The invention discloses a multifunctional aerobics physical training teaching device. The device comprises a base, a height-adjustable backup plate is arranged on one side of the top face of the base, the top face of the base is fixedly connected with the lower end of a rotating shaft, a front movable plate and a rear movable plate are arranged above the base, one side of each movable plate is rotationally connected with the rotating shaft through a torsional spring, first grooves are formed in the opposite faces of the two movable plates respectively, and a plurality of vertical massage rollers rotating synchronously are rotationally installed in the first grooves through one-way bearings respectively. Firstly, the device can be used for leg pressing training, a user can adjust the height of the backup plate according to the height of the user; secondly, the device can be used for bifurcation exercise by one person, use is convenient, the device can be used for training the waist flexibility through sit-and-reach, and the legs can be massaged in the sit-and-reach process, so that the comfort of the user is improved, and the pain of splitting exercises is relieved; and in addition, after the user completes sit-and-reach, the user can know the sit-and-reach score of the user through the position of the movable plate, and use is convenient.

The invention discloses a suction retaining device used in the water channel field, which comprises a main body and an elastic sealing sleeve, wherein the main body is internally provided with a water channel and at least one air inlet hole; the water channel comprises a water inlet hole and a mutation cavity communicated with the water inlet hole, and the section area of the mutation cavity is greater than that of the water inlet hole; the air inlet hole comprises an air inlet and an air outlet, the air inlet is arranged outside the main body, and the air outlet is arranged in the mutation cavity; the elastic sealing sleeve is sleeved in the main body and fitted with the air inlet hole of the main body; in case the water in the water channel flows clockwise, a negative pressure is produced in the mutation cavity and the mutation cavity adsorbs the elastic sealing sleeve so as to conduct the air inlet hole for inhale; and in case the water channel flows anticlockwise, the hydraulic pressure of the water channel acts on the inner side face of the elastic sealing sleeve so as to enable the elastic sealing sleeve seal the water inlet hole.

The invention discloses a heating lamp tube mounting structure of an oven. The structure comprises a lamp tube bracket used for mounting a heating lamp tube, wherein a sheath is arranged at two ends of the heating lamp tube respectively; the sheath has a stepped shaft structure; a blind hole is formed at the big end of the stepped shaft structure; the end part of the heating lamp tube is inserted into the blind hole; the small end of the stepped shaft structure is sleeved on a lamp tube support; the lamp tube support is arranged on the lamp tube bracket; and a central through hole for a power wire to pass through is formed on the stepped shaft structure. The invention provides the heating lamp tube mounting structure of the oven, which can effectively reduce damage to the lamp tube due to vibration and prolong the service life of the lamp tube.

The invention discloses a building guard railing. The building guard railing comprises at least two guard railing bodies connected with each other. A fixing device is arranged on one side of the guard railing body located at the edge. The fixing device comprises a fixing board which is fixedly connected to a building exterior wall through pre-embedded bolts. One side of the fixing board is provided with stepped grooves. The pre-embedded bolts penetrate the side walls of the stepped grooves and are fixedly connected to the inner sides of the stepped grooves through nuts. The adjacent guard railing bodies are respectively provided with a fixing end portion. A fixing flange is arranged on the middle portion on the same side of each fixing end portion. Through the splicing of the guard railing bodies, the size of the guard railing is decreased, so that the guard railing is convenient to transport and install. Furthermore, all connecting structures are arranged on the same side of each guard railing body, and the guard railing can only be assembled and disassembled from the side, so that the safety can be improved, a welding manner is not needed, and the guard railing is easy to install and can be repeatedly used.

The invention discloses a construction engineering wall surface cavity detector. The detector structurally comprises a hammer head, a connection head, a magnetic head, an elastic structure, a telescopic rod, a pressing structure and a grip rod; one end of the telescopic rod is fixed with the grip rod and the other end of the telescopic rod is vertically welded together with the middle of the connection head; the hammer head and the magnetic head are respectively mounted at two horizontal ends of the connection head; the elastic structure and the pressing structure are respectively mounted at the joints of the telescopic rod and the grip rod; the pressing structure and the telescopic rod cooperate with each other; and the other end of the elastic structure is connected with the connection head. According to the detector, the elastic structure, the telescopic rod, the pressing structure and the grip rod are jointly matched, and a fiber rod is bent and rebounded to urge the hammer head tocarry out tapping and detection, so that the force is more concentrated and stable and points can be accurately aligned; and before and after height adjustment is carried out by the telescopic rod, apressure pointer is used to apply pressure to the telescopic rod to prevent the telescopic rod from relative sliding , so that the accuracy of the tapping is improved.

The invention discloses a cleaning device for a livestock veterinarian, and relates to the technical field of livestock medical cleaning equipment. The cleaning device comprises a cleaning box; a water pump is fixedly arranged at the top of the cleaning box; a water pipe is fixedly arranged on one side of the water pump; a water tank is fixedly arranged at one end of the water pipe; a water pipe is arranged on the other side of the water pump; the other end of the water pipe penetrates through the top of the cleaning box and extends into the cleaning box; a drying box is fixedly arranged on one side of the cleaning box; a draught fan is fixedly arranged on the inner wall of the drying box; an electric heating rod is fixedly arranged on one side of the draught fan; a motor is fixedly arranged at the bottom of the drying box; and an output shaft of the motor is fixedly connected with a rotating shaft. Through the arrangement of a connecting rod, the wind direction of hot air can be continuously changed by continuously changing the up-down movement of the connecting rod, so that moisture on animals can be uniformly dried, the animals can be prevented from catching a cold, and people can use the cleaning device conveniently.

The invention discloses a ship robot. The ship robot structurallycomprises a column winding cleaning structure, a hinge, a main body and a casing, the column winding cleaning structure is installed inthe inner center of the main body, the main body is provided with a top cover through the hinge, the main body is a flat cylinder, a half arc-shaped casing is installed onthe side of the main body,thecolumn winding cleaning structure is composed of an inner bottom plate, a driving level, a beating and fetching roll and a column winding device, the column winding device is installed in the centerof the inner bottom plate, the driving level and the beating and fetching roll are correspondingly installed at the upper and lower ends of the column winding device, and the tail end of the beating and fetching roll is in contact with the tail end of the driving level. According to the ship robot, the joint matching of the beating and fetching roll and the driving level is utilized, a motor is used for driving the driving level and the centrifugal force of the beating and fetching roll, the beating and fetching roll is beat on the handrail of the ship, and the comprehensive friction and cleaning of the handrail of the ship.

The invention relates to the technical field of animal vision experiments, and discloses an animal three-dimensional vision measurement device. The animal three-dimensional vision measurement device comprises a transparent box body and an image generation device; an experimental animal is placed in the transparent box body, so that the experimental animal has certain activity space, interference to the animal is reduced, the real reaction of the experimental animal can be restored, the animal cannot be hurt, and the safety of operators is guaranteed; holographic images are displayed through the image generation device, the experimental animal in the transparent box body can see the holographic images and can be attracted, the visual range of the animal can be controlled by controlling the holographic images, the animal can be stimulated to make visual response, the real visual state of the animal is obtained, and the vision measurement is more accurate. The invention further provides an animal three-dimensional vision measuring device (method), the visual direction is judged by collecting the relative position relation between the experimental animal and the visual target of the holographic image and the head gravity information of the experimental animal, and animal three-dimensional vision measurement is achieved.

An alternating current and direct current universal fault arc detection device is disclosed in the invention, and comprises a fault arc detection equipment body, an anti-interference unit and a positioning groove, the positioning groove is formed in the right side of the front side of the fault arc detection equipment body, and arc-shaped grooves are formed in the bottoms of the left side and the right side of the inner wall of the positioning groove; and an inserting block is inserted into the positioning groove, a through hole is formed in the inserting block, a positioning mechanism is arranged in the through hole, and the front side of the inserting block is fixedly connected with the rear side of the anti-interference unit. The anti-interference unit is arranged on the front side of the fault arc detection equipment body, so that interference can be well prevented, the problem that an existing anti-interference effect is poor is solved, and the alternating current and direct current universal fault arc detection equipment has the advantage of being good in anti-interference effect.

The invention discloses efficient digital broadcast television transmitting equipment which comprises a fixed base, wherein a rotating seat is arranged at the top of the fixed base; a transition platform is fixedly connected to the top of the rotating seat; a working device is fixedly connected to the middle position of the top of the transition platform; adjusting frames are fixedly connected to the positions, located on the two sides of the working device, of the top of the transition platform; and balance connecting blocks are fixedly connected to the sides, close to the working device, of the tops of the adjusting frames. The invention relates to the technical field of broadcast television equipment. According to the efficient digital broadcast television transmitting equipment, a function of gap adjustment is achieved while a signal range is expanded, the transition platform enables a worker to have a good maintenance position when the equipment is maintained, a small gap exists in the middle of a connecting position, a cooling mechanism can conveniently ensures that the internal temperature of the equipment is constant, and meanwhile, a signal expansion frame is controlled through an internal gap, so that the service life of the equipment is effectively prolonged.

The invention discloses a collection and transportation device for agricultural products. The collection and transportation device structurally comprises a moving base, a damping rod, a top plate, a first storage box, a conveying pipe, a second storage box, a third storage box and a shear fork frame, the moving base is connected with the top plate arranged above through the shear fork frame, the damping rod is connected between the top plate and the moving base, the first storage box, the second storage box and the third storage box are sequentially arranged on the top plate from left to right, the tops of the first storage box, the second storage box and the third storage box correspondingly communicate with the conveying pipe, the second storage box comprises an input pipe, a box body and baffle plates, the top of the box body communicates with the conveying pipe through the input pipe, and the baffle plates which are distributed in a scattered mode are installed in the box body. Thecollection and transportation device has the beneficial effects that the baffle plates are designed to be movable, the bottom of one baffle plate can be in automatic contact with the next baffle plate when fruits are rolled, thus falling of the fruits is avoided, and high discharging is prevented from causing collision.

The invention discloses an orthodontic expander, which belongs to the technical field of expanders, and comprises a storage box, a protective pad, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor, a tongue depressor and a tongue depressor, the upper supporting plate is obliquely arranged and used for pressing the tongue inside the oral cavity, and the refreshing mechanism is installed below one side of the upper supporting plate; by arranging the tongue depressor, the rotating rod and the torsional spring, when the oral cavity of a patient is opened, medical staff can turn over the tongue depressor upwards, so that the tongue depressor rotates under the action of the rotating rod and compresses the torsional spring, and then the tongue depressor can be loosened after the oral cavity of the patient is opened through the expanding device; due to the fact that the tongue depressor is obliquely arranged, the tongue of the patient is pressed and limited, and the situation that work of medical staff is affected during orthodontic treatment is avoided.

The invention discloses a three-dimensional monitoring bracket monitoring device, which comprises a first bracket, a second bracket, an anti-interference structure, a casing, and a camera. A camera is arranged at the bottom of the casing, and an anti-interference structure is arranged directly above the camera. Located inside the casing, the present invention installs a crystal oscillator base plate, a crystal oscillator plate, and a ground wire in the camera monitoring equipment to isolate the circuit board used for the camera, and the crystal oscillator base plate is grounded through the ground wire, cutting off the propagation path of interference, and reducing the lifting and high power of the elevator. Motor startup, microwave, strong electricity, etc. will interfere with low-frequency analog signals and other signals. This invention adopts the design of V-shaped ground wire protection cylinder. , and avoid broken lines when the ground wire is drawn out to reduce high-frequency noise emissions.

The invention discloses a choke valve used for an abdominocentesis device, and belongs to the field of medical abdominocentesis machinery. The choke valve comprises a valve wall, the wall valve is of an integral trumpet structure, the center of the valve wall is provided with an opening, and the slope of the valve wall gradually reduces to the periphery of the valve wall from an opening in the center of the valve wall; several wrinkles which expend to the periphery of the valve wall from the center of the valve wall are distributed evenly on the valve wall, and are composed of convex ribs arranged at the inner side of the valve wall and grooves formed in the outer side of the valve wall, and the positions and sizes of convex ribs correspond to those of the grooves; a sealing lip on the opening in the center of the valve wall is provided with a trumpet shaped outward turned structure, and several small convex ribs which extend along the center axial line of the sealing lip are evenly distributed on the trumpet shaped outward turned structure. According to the choke valve used for the abdominocentesis device, not only is the sealing performance of the choke valve better, but also the capacity for the sealing valve to resist deformation in the center normal direction is improved, so that the choke valve does not easily turn upward, and the air leakage risk of the choke valve is lowered; moreover, when the machine is inserted or drawn out, the resistance of the choke valve to the machinery is small, and the operation is more flexible and more convenient.

The invention discloses an arm nursing device for hemodialysis puncture, and relates to the technical field of medical instruments. The arm nursing device for hemodialysis puncture comprises two reinforced nylon connecting blocks, a connecting cover is movably connected between the two reinforced nylon connecting blocks, an operation opening is formed in the surface of the connecting cover in a penetrating mode, and placing holes are formed in the middles of the two reinforced nylon connecting blocks in a penetrating mode. According to the arm nursing device for hemodialysis puncture, a worker can conveniently insert a needle, the arm of a patient is sleeved with the reinforced nylon connecting block and the connecting cover, the device can be driven to move in the displacement direction of the arm of the patient, a certain degree of activity space is achieved while hemodialysis is conducted on the patient, the arm nursing device can adapt to catheters of different specifications, and operation is convenient. And meanwhile, through limiting of a first limiting block and a second limiting block, the guide rails are fixed conveniently, meanwhile, the guide pipes are not prone to being wound together, and operation of workers is facilitated.

The invention discloses a radiation-resistant and bending-resistant reinforced optical cable, which includes a first outer sleeve and a plurality of first optical fibers. The plurality of first optical fibers are installed in the first outer sleeve. A first inner sleeve is arranged between, and the first inner sleeve is sleeved on a plurality of first optical fibers, and an active layer is arranged between the first outer sleeve and the first inner sleeve, and the inner sleeve of the active layer A movable ring is installed, and the movable ring includes a plurality of arc shafts and a plurality of arc sleeves, the two ends of the arc shafts are respectively inserted in two arc sleeves, and the arc shafts and The positions of the first optical fibers are installed alternately, and the inner sides of the plurality of first optical fibers are installed with second inner sleeves. The invention separates the optical fibers from each other to avoid damage caused by mutual friction, extrusion and friction, and at the same time protects the optical fibers. At the same time, the movable mechanism and the elastic mechanism ensure that the optical cable has a certain movable space and can prevent damage to the internal structure. .

The invention belongs to the technical field of medical treatment, and particularly discloses a clamp convenient for marking surgical sutures. The clamp convenient for marking the surgical sutures comprises two fixed frames which are fixed with each other; a fixed rod is mounted on the upper surface of each fixed frame; a disc and a sliding plate are fixedly arranged on the top surface and the bottom surface of each fixed rod, respectively; the sliding plate is placed on the inner side wall of the corresponding fixed frame; the outer side wall of each fixed rod is sleeved with a first spring;and a through groove is formed in the outer side of the bottom surface of each fixed frame. When a surgical suture enters a space defined by the bottom surfaces of the sliding plates and the fixed frames, the surgical suture can firstly slide into a sliding groove, and be endowed with a certain moving space under the condition of ensuring that the surgical suture does not disengage in virtue of the length of the sliding groove smaller than that of the sliding plate and the smooth round shape of one side of the sliding groove close to the through groove, thereby reducing abrasion of the surgical suture; and moreover, a first fixing layer and a second fixing layer are both made of smooth materials, so that the surgical suture is not prone to being abraded. Thus, the surgical suture can be beneficially protected.

The invention discloses a motorcycle frame fatigue testing device, which comprises a frame body, three fixing mechanisms installed on the frame body and a pushing mechanism used for pushing the frameto shake; and the pushing mechanism is located under the third fixing mechanism, the pushing mechanism comprises an installation base and two air cylinders installed on the installation base, and theair cylinders can push a second supporting table to shake. The three fixing mechanisms are used for fixing the frame, and the pushing mechanism is used for pushing the frame to shake, so that the state of the frame running on a three-level road condition is simulated, and whether the fatigue resistance strength of each part of the frame meets the standard or not can be effectively tested; the damping mechanisms are arranged at the positions of the three fixing mechanisms respectively, the damping mechanisms can enable the frame to have a certain moving space, the service life of the fixing mechanisms can be prolonged, and the problem caused by shaking of motors and connecting parts of the fixing mechanisms is avoided.

The invention discloses a shunt plate fixing mechanism including: a screw, a screw heel block and an opening spring fixing ring; the screw heel block is provided with a through hole, and sleeves the screw; and the opening spring fixing ring is arranged between the screw and the screw heel block. By the way, the shunt plate fixing mechanism enables the screw block to be firmly fixed in the screw, and the screw heel block has the activity space, so that the screw is in no need of processing for empty avoiding.

The invention belongs to the technical field of aluminum alloy formworks, and discloses an anti-seismic combined aluminum alloy formwork. The anti-seismic combined aluminum alloy formwork comprises a first formwork body and a second formwork body, wherein the first formwork body and the second formwork body are stacked up and down to be in a stair shape, the cross section of the first formwork body and the cross section of the second formwork body are both in a right-angle shape, the left end of the lower surface of the first formwork body makes contact with the top end of a vertical plate of the second formwork body, slots are formed in the upper surfaces of horizontal plates of the first formwork body and the second formwork body, and a positioning mechanism is arranged in the slot in the first formwork body. According to the anti-seismic combined aluminum alloy formwork, the first formwork body and the second formwork body can be rapidly connected through the design of the positioning mechanism, operation is convenient, the integrated structure is optimized through the modular design, the first formwork body is supported on the basis of the second formwork body in cooperation with the design of the anti-seismic mechanism, impact borne by the first formwork body can be absorbed, therefore, the damping and anti-seismic effects are achieved, and the problems in the background technology are solved.