120results about How to "Guaranteed not to move" patented technology

The invention discloses a head support device for neurological surgery patients. The head support device comprises an operating table mounting surface. A cross movement device is arranged at the frontof the operating table mounting surface, a support device is arranged at the front of the cross movement device, a left fixing device is arranged on the left side of a position above the support device and comprises a mounting slide groove, a left slider, a left curved bar, a left slide groove, a left rotary slider, left threaded holes, a left ejector rod and a left turntable, the mounting slidegroove is formed in the middle of the upper surface of a mounting rod, the left slider is positioned in the mounting slide groove and is slidably connected with the mounting rod, the left curved bar is positioned on the upper side of the left slider and is fixedly connected with the upper surface of the left slider, the left slide groove is formed in the middle of the front surface of the left curved bar, the left rotary slider is positioned in the left slide groove and is slidably connected with the left curved bar, the left threaded holes are formed in the middles of the left side surface and the right side surface of the left rotary slider, the left ejector rod is nested in the left threaded holes and is rotationally connected with the left rotary slider, and the left turntable is positioned on the right side of the left ejector rod and is fixedly connected with the right surface of the left ejector rod. The head support device has the advantages of simple structure and high practicality.

The invention discloses a stacked pallet, a plurality of grooves arrayed in a matrix mode are formed in one side of a pallet plate, and clamping sleeves are arranged on the other side of the pallet plate and correspond to the grooves. When packing is carried out by utilization of the stacked pallet, the situation that bottles do not move and sway can be guaranteed so that a plurality of stacked pallets are formed into a whole and firm and stable. A finished stacking which is the whole formed by stacking can be a whole packed completely and transported, traditional packing materials are saved, and packing cost is reduced. Meanwhile, the stacked plate can be recycled and therefore is green and environment-friendly. According to a packer for stacking the pallets, due to the fact that film packer, a paper packer or a box filler and the like used by traditional packing are saved, packing is simplified, and the working efficiency is improved. In addition, after the finished stacking is transported to a merchant, removal of a package and placing of the finished stacking on a shelf are carried out without manpower, and labor cost is saved for the merchant.

The invention relates to an orbit-plate bidirectional carrier vehicle which comprises cabs, a walking system, a stand, a power pump station, a steering system and a balancing cylinder system, whereinthe cabs are respectively positioned at the front end and the rear end of the carrier vehicle and used for starting and controlling the whole carrier vehicle, and can travel bidirectionally; the walking system comprises two same walking parts which are arranged in a reverse symmetry way; the stand is positioned at the upper part of the walking system; the power pump station is positioned at the middle part of the carrier vehicle; the steering system comprises two front axles of respective walking part, a lever mechanism and a steering cylinder; and the balancing cylinder system is positioned between the stand and the walking cylinder. The carrier vehicle can bidirectionally travel without the needs of u-turn and astern, is easy to steer, and can keep the stand not to be distorted while traveling on bumpy road surfaces, realize the leveling to the stand while traveling in inclined road surfaces and keep the carrier vehicle to travel stably.

The invention discloses a wire clamp used for clamping an electric wire. The wire clamp comprises a first half clamp sleeve (3), a second half clamp sleeve (5), a bottom plate (4) and a protective plate (1). The first half clamp sleeve (3) and the second half clamp sleeve (5) are respectively provided with multiple semicircular grooves (8) in an opposite way. Radius of the semicircular grooves (8) is equal to that of the electric wire. The two ends of the protective plate (1) are provided with a clamping hook (6) respectively. The positions, which are corresponding to the clamping hooks (6), of the two ends of the bottom plate (4) are provided with buckles (7). The protective plate (1) is clamped on the buckles (7) in a matching way via the clamping hooks (6) so as to wrap the first half clamp sleeve (3) and the second half clamp sleeve (5). The opposite positions of the half clamp sleeves are respectively provided with the semicircular grooves so that circular holes are formed via matching. Each strand of the electric wire can be respectively embedded in the circular holes without being wound together and difficult to separate. Besides, the position is stable, and the two ends of the wire clamp are fixed via the buckle members so that endplay of the electric wire does not occur, the structure is simple and installation is convenient.

The invention relates to the technical field of medical electronics and in particular relates to a medical wristband with a self-compensation function and capable of offsetting blood oxygen measurement interference due to movements of a user when the user wears the wristband. Movement compensation is realized via gravitational acceleration, and interference factors produced during the daily use ofthe wristband can be eliminated; accurate and reliable blood oxygen saturation measurement can be achieved; a boss, mounted on the bottom of a wristband body, is keen to skin, so a temperature sensor, a photosensitive sensor and a light source projection window can be well applied to the wrist skin, and position of the wristband during the movement of the user can be positioned; and relative displacement between the temperature sensor and the photosensitive sensor and the wrist skin can be prevented, so measurement error during the movement can be reduced or eliminated.

The invention relates to a top-mounted ball valve. The top-mounted ball valve comprises a fixer positioned between a ball body and a valve body, wherein the fixer is sealed together with the ball body; a sealing element is arranged between the fixer and the valve body; a limiting piece is arranged between the valve body and the fixer; the outer circumferential surface of the limiting piece is in threaded connection with the valve body; the limiting piece is connected with the fixer in an anti-rotation way. By rotating the fixer and moving the limiting piece towards the fixer, a sealing gap can be formed between the limiting piece and the fixer for preventing the sealing element from moving. The distance between the fitting surface of the fixer and the sealing element and the axis of the valve body is smaller than the distance between the sealing surface of a sealing material and the axis of the valve body, and the distance between the fitting surface of the valve body and the sealing element and the axis of the valve body is larger than the distance between the center of the sealing surface of the sealing material and the axis of the valve body. Pressure is introduced into the end of the ball valve, the fixer is pressed against the ball body through the pressure difference between both sides of the fixer, pressure is introduced into a middle cavity, the fixer is pressed against the ball body through the pressure difference between both sides of the fixer, and the sealing element is prevented from moving, thereby realizing a reliable bidirectional sealing effect between the fixer and the valve body.

The invention discloses an assembled steel beam overall stability testing concentrated load loading device and method. The method comprises a loading conical screw, a loading plate, square steel tubes, steel strands and loading tanks, wherein two square steel tubes are in mutual lap joint in a cross manner; the loading conical screw is inserted into a lap joint part of the two square steel tubes;threads are formed in the outer wall of the loading conical screw; the square steel tubes are locked by a screw nut screwed on the threads; the loading tanks are hung at four end parts of the square steel tubes through the steel strands respectively; a steel beam to be tested is fixedly connected below the loading plate; an end part of the loading conical screw penetrates through a through hole inthe loading plate and is in contact with the steel beam to be tested. The loading device is convenient in material obtaining, simple and easy to manufacture, high in reusability and high in assembling degree, a series of problems caused by welding in a conventional loading device are avoided, the loading conical screw is convenient to replace and simple to operate, loading directions and positions are not changed, the action area of a load is reduced to the maximum extent, and an ideal state that a concentrated load is loaded to an action point is approximately achieved.

The invention relates to a non-capsule two-stage tyre setting drum, comprising a left side drum and a right side drum which are respectively provided with a cylinder power plant and a shrink ring, wherein the shrink rings at two side are arranged in an eudipleural manner, and a bead clamp toe opening is arranged on the periphery of each shrink ring and is an annular groove; and the shrink ring comprising multiple large sector blocks and small sector blocks which are arranged alternatively and successively and have the same amount of blocks, sector blocks are respectively connected with a slider fixedly, the slider is connected with a connecting rod connected with a shifting ring, the contact surface of the large sector block and the small sector block is provided with sealing fins which are pasted and fixed on reserved grooves on the small sector blocks, and the thickness of the sealing fin is slightly larger than the depth of the groove. In the invention, a capsule type tyre setting drum is changed into the non-capsule two-stage tyre setting drum, thus realizing tyre positioning and setting under a full mechanical proper circle state, saving capsule manufacturing expense and use cost, improving precision and quality of tyre contour machining, and especially being suitable for moulding of high performance saloon car tyres.

The invention discloses a fixing device for a smart phone. The fixing device comprises a smart phone, a sucking disc, a first connecting base, a phone clamping device, a rotating device, a first locking screw, a fixing seat, a movable column, a tension spring, a fixing sleeve, a second connecting base, a second locking screw, a second fixing seat, a locking nut, a screw, a fixing seat, a cover body, a connecting piece and an adjusting nut. According to the fixing device for the smart phone, the structure is rational and simple, the production cost is low, and installation is convenient; when being used, firstly the smart phone is placed in a clamping device shell body, the bottom of the smart phone is located in stationary jaws, meanwhile, a left jaw is pulled out leftwards to enable the smart phone to be located in the left jaw, and when the left jaw is pulled out, a right jaw can also move towards the right side simultaneously, so that the smart phone is convenient to put in; and in addition, a movable magnet block and a fixed magnet block are arranged, and the need for temporary fixation and using of the smart phone is met, so that the using requirements under different conditions of people are met.

The invention relates to a collecting device with an optical fiber protecting function, a full-optical-fiber current transformer and a mounting method. The collecting device comprises a circuit board, an optical device, a device protecting shell and a fiber coiling box which is fixedly arranged on the outer side face of the device protecting shell and can be opened and closed. The circuit board and the optical device are fixedly arranged in the device protecting shell which is provided with a first optical fiber hole. The device protecting shell is provided with an extending part corresponding to the side where the fiber coiling box is placed. The extending part is provided with a second optical fiber hole which is provided with a pressing connector. Wholly-output optical fibers of the circuit board and the optical device extend out from the first optical fiber hole of the device protecting shell and are coiled in the fiber coiling box. Optical fibers output by the fiber coiling box are guided out from the second optical fiber hole and the pressing connector. The collecting device is simple in structure and can reduce the needed mounting space effectively, and the collecting device has the advantages of being convenient to maintain, high in safety and attractive in appearance.

The invention discloses a novel TMS (transcranial magnetic stimulation) positioning device, and the device comprises a positioning cap and a positioning cap fixing apparatus which is disposed on a bed body. The positioning cap is provided with a plurality of latitude lines, longitude lines staggered with the latitude lines and marking points, so as to carry out the locating of a head magnetic treatment position. The positioning cap is also provided with a left fixed rod and a right fixed rod. The positioning cap fixing apparatus comprises a fixed supporting plate which is fixedly connected to the bed body, and a moving plate which is installed on the fixed supporting plate. The center of the fixed supporting plate is provided with a hollow-out part, and the periphery of the fixed supporting plate forms a supporting part, wherein the shape of the hollow-out part is consistent with the shape of the moving plate. The moving plate consists of a fixed part and a heat placing part which is disposed at the fixed part. The periphery of the head placing part is provided with limiting plates, and the inner sides of the limiting plates serve as supporting parts. The limiting plates at two sides are provided with fixed rings, and the left and right fixed rods on the positioning cap are respectively fixed in the fixed rings. The device facilitates the positioning in a transcranial magnetic treatment process and the maintaining of the position of a head in a treatment process, so as to guarantee the treatment effect.

The invention relates to a gear tooth groove multi-gear machining device which comprises a base. A truss is fixedly arranged on the base, a linear motor is arranged on the truss, a machining mechanism is arranged on the linear motor, a locking mechanism is further arranged on the base, the locking mechanism is driven by a power box, the power box is arranged in the base, the locking mechanism is used for fixing a gear to be machined, and a collecting mechanism is further arranged on the outer side of the locking mechanism. According to the gear tooth groove multi-gear machining device, the gear is locked through the locking mechanism, it is guaranteed that the gear does not move, then the linear motor is controlled to move, and thus the machining mechanism is driven to move to the position corresponding to a tooth groove of the gear, so that the tooth groove is machined; after machining is completed, the linear motor controls the machining mechanism to push out the tooth groove, then the gear is controlled to rotate, and machining of tooth grooves of the gear can be achieved by repeating the process; and the machining efficiency is higher than that of traditional manual grinding, and the machining environment is improved by using the collecting mechanism to collect chippings in a cooperation mode.

The invention relates to a trolley for precast bricks. The trolley comprises a bottom plate, roller wheels and a pull handle, wherein the bottom plate is provided with a placement groove and a mounting block; the pull handle is provided with a sliding block which is internally provided with at least one electromagnet; a guide rail is internally provided with at least one metal sheet; the bottom plate is provided with a weight sensor. The trolley for the precast bricks has the advantages that the sliding block can slide on the guide rail, so that the pull handle is arranged in the placement groove in the bottom plate; the weight sensor is used for controlling the electromagnet on the sliding block to attract the metal sheet in the guide rail, so that the pull handle is effectively locked in the guide rail when the weight on the bottom plate exceeds a set value, and the safety performance is improved; the pull handle is arranged in the placement groove of the bottom plate, so that the precast bricks are not influenced by the pull handle when being placed; the precast bricks can be placed along four directions, so that the placement efficiency of the precast bricks can be increased, the safety performance can be improved during carrying, and the danger of pricking feet and the like brought to operators by overweight can be reduced.

The invention discloses a power cable rack lifting device. The power cable rack lifting device comprises a base mechanism, a support mechanism and a driving mechanism, wherein the base mechanism comprises a rectangular base, and wheels positioned on the front and back sides below the base; multiple screw rods vertically penetrate through the base, are positioned on the front and back sides of thebase, and are arranged near the wheels; support pad bodies are arranged at the lower ends of the screw rods; rotating handles are arranged at the upper ends of the screw rods; the support mechanism comprises two support rods correspondingly arranged in the horizontal direction and vertically arranged above the base; the two support rods are symmetrically arranged with the center of the base as axis; the upper ends of the two support rods are connected with a connecting rod transversely arranged; multiple through holes a are vertically formed in the support rods; and the through holes a on thetwo support rods are correspondingly arranged in sequence; the driving mechanism comprises a bearing body and a base body arranged up and down, and a cylinder positioned between the base body and thebearing body. The power cable rack lifting device has the advantages of simple structure, convenience to transport and prevention of rollover.

The invention provides a clamping blade type feeding device, which belongs to the technical field of mechanical processing. It includes a feeding mechanism, a longitudinal guiding mechanism, and a horizontal guiding mechanism. The feeding support of the feeding mechanism can slide left and right and is set on the guide rod. The roller is rotatably arranged on the upper end of the pull rod and is located in the roller groove of the cam. The lower guide wheel of the longitudinal guide mechanism is rotatably arranged on the longitudinal guide support, and the upper guide wheel is rotatably arranged on the upper guide wheel bracket. The upper guide wheel The bracket can slide up and down and is set on the longitudinal guide support. The lower end of the adjustment screw rod is connected to the upper guide wheel bracket. The upper end of the adjustment screw rod is provided with an adjustment handwheel. rack. The invention ensures that the plates do not move during the feeding process, and the feeding stability is good.

The invention discloses a liquid filling and corking integrated machine comprising a cuboid table-board, wherein one end surface of the table-board is provided with a lighting device through a universal pipe, and the other end surface of the table-board is provided with a recording plate; a driving belt driven by a driving device is arranged on a position close to the edge of a long side of the upper surface of the table-board; the upper surface of one end of the table-board is provided with a rotating column driven by a rotating motor; the side of the rotating column is provided with a plurality of air cylinders of which the piston rod ends are downward; the end surfaces of the piston rod ends of the air cylinders are provided with lifting heads; the lifting heads are provided with spray heads connected with a storage tank through hoses; the upper surface of the other end of the upper surface of the table-board is provided with a rack composed of upright posts and a cover plate; the upright posts are connected with a pressing plate through sliding sleeves; and the lower surface of the pressing plate is provided with a pressing rod. The liquid filling and corking integrated machine is simple in structure and convenient to fill and cork.

The invention relates to a hand-operated portable satellite antenna. The hand-operated portable satellite antenna mainly includes an antenna surface, a support, a feed source, a diplexer, a pitching adjusting apparatus, an orientation adjusting apparatus and a leveling apparatus, and is characterized in that the feed source is arranged on a reflection intersection point of the antenna surface; the diplexer is arranged on the feed source; the feed source is fixed on the antenna surface through a connecting rod; the pitching adjusting apparatus is arranged at the back of the antenna surface; the orientation adjusting apparatus is arranged on the support; the antenna surface is arranged on the orientation adjusting apparatus; the leveling apparatus is arranged on the orientation adjusting apparatus; when satellite communication is required, the leveling apparatus is used to determine whether the equipment is level; the orientation adjusting apparatus and the pitching adjusting apparatus are adjusted to perform satellite aiming operation; after completion of satellite aiming operation, satellite communication is performed; and after completion of satellite communication, the orientation adjusting apparatus and the pitching adjusting apparatus are adjusted to perform recovery operation. The hand-operated portable satellite antenna utilizes mechanical structure to adjust integrally, and has the advantages of being simple in operation, being high in adjusting accuracy, being light in structure and being long in service life.

The invention relates to a construction method of an air pipe in a full displacement type fresh air system. The construction method comprises the following steps: step one, reserving an exhaust pipe hole port in a building structural construction; step two, after completing the building construction structure, installing exhaust pipes and fresh air blast pipes positioned in exhaust pipe wells and an fresh air machine room; and step three, installing exhaust pipes and the fresh air blast pipes in a chamber, wherein the installation of the fresh air blast pipes further comprises the following steps: reserving a die box on the position in which a fresh air outlet is located while arranging an electric pipeline and a water supply and drainage pipeline; arranging the fresh air blast pipes in the chamber after arranging the electric pipeline and the water supply and drainage pipeline; pouring a foamed concrete cushion, and painting a cement mortar for levelling layers; installing an air supply outlet on the fresh air outlet of the fresh air blast pipes in the chamber; and filling the construction space used for installing the air distributor. The method solves the problem of long construction period of the full displacement type fresh air system, and prevents the fresh air system from being damaged from pre-burying to running.