43results about How to "Easy to rotate manually" patented technology

A surgical access system including a tissue distraction assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and / or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site. The tissue retraction assembly has a plurality of blades which may be introduced while in a closed configuration, after which point they may be opened to create an operation corridor to the surgical target site, including pivoting at least one blade to expand the operative corridor adjacent to the operative site. The surgical access system further includes pressure sensing technology to measure the pressure being exerted upon body tissues before, during, and / or after retraction and / or distraction.

A stand holding virtually any vehicle engine and gearbox respectively during repair and renovation allowing clear access to every side of thereof, carrying a base structure (1) an immovable column (7), a horizontal immovable tube (9), includes a movable support assembly (12) and a pair of rotatable adjustable carrier assemblies (20) being distanced from one another. The support assembly is capable of varying the distance between a pair of carrier assemblies to correspond with the size of engine and of gearbox respectively. Each of the pair of carrier assemblies including an arm and a carrying plate connected by way of the connecting member; rather two handles adjustably coupled to corresponding carrying plate by first ends and having bolts threaded through second ends and corresponding adapters for receipt within corresponding holes of engine and gearbox respectively. The arms rotatably and adjustably threaded through horizontal tube (9) and horizontal support member (18) respectively such that carrier assemblies being positioned inside of the device between column (7) and vertical support member (17) to hold engine and gearbox respectively to allow clear access to every side of engine and gearbox, respectively. The arms have a plurality of holes to adjust the distance between column (7) and vertical support member (17) respectively and engine and gearbox respectively.

An apparatus for placement of seam tape to a roof or roof membrane. The apparatus comprises first and second sides spaced a distance apart, wherein each side includes a material axle opening and a pressure applicator orifice. The apparatus also comprises a removable pressure applicator having a first end and second end positioned in the pressure applicator orifices of the first and second sides. A support element may be operatively attached to the first and second sides, span the distance between the first and second sides, and positioned opposite the pressure applicator to support the apparatus. Additionally, a material axle may be positioned such that its ends are removably positioned in the material axle openings of the first and second sides. A closed front side may connect the first and second side, while an open stern may allow direct access to the pressure applicator, the support element, and the material axle.

A surgical access system and related methods which involve the ability to minimally invasively provide an operative corridor to a disk space while simultaneously providing the ability to distract the disk space. The access system comprises a tissue distraction assembly and a tissue retraction assembly. The tissue distraction assembly (in conjunction with one or more elements of the tissue retraction assembly) is capable of, as an initial step, distracting a region of tissue between the skin of the patient and the surgical target site. The tissue retraction assembly is capable of, as a secondary step, being introduced into this distracted region to thereby define and establish the operative corridor. Once established, any of a variety of surgical instruments, devices, or implants may be passed through and / or manipulated within the operative corridor depending upon the given surgical procedure.

The invention provides a precision numerical control single-column vertical lathe. The precision numerical control single-column vertical lathe comprises a lathe body, a main motor, a first belt pulley, a belt, a second belt pulley, a lower spindle transmission mechanism, an upper spindle transmission mechanism, a workbench, a PLC, driving switches, upright columns, a Z-axis transmission mechanism, a cantilever, an X-axis transmission mechanism, a knife rest, obliquely-placed placement rack structures, multidirectional material positioning seat structures and multi-position adjustment sweepingframe structures, wherein the main motor is arranged at the right of the inner side of the lathe body through a bolt; the first belt pulley is in key connection with an output shaft of the main motor; the belt is connected to the first belt pulley and the second belt pulley in a sleeved manner; and the second belt pulley is in key connection with the lower end of the lower spindle transmission mechanism. The precision numerical control single-column vertical lathe has the beneficial effects that through the arrangement of the obliquely-placed placement rack structures, a placement main tablecan be driven to reach different angles for use when a first cylinder and a second cylinder are driven to lift respectively.

The invention belongs to the technical field of Nixie tube manufacturing, and particularly relates to a clamping device for Nixie tube pin welding. The clamping device comprises a left clamping plate,a right clamping plate and connecting rods. Adjusting sleeves are arranged on the right clamping plate. The adjusting sleeves are arranged in a thread manner on the right clamping plate. End portionsof the connecting rods are arranged in a thread manner in the left clamping plate and are arranged in the adjusting sleeves in a smooth manner. Springs are also arranged between the left clamping plate and the right clamping plate. The tops of the springs are connected to the left clamping plate and the right clamping plate. The connecting rods are also provided with connecting rod retaining rings thereon for restricting the outward movement of the adjusting sleeves. The clamping device in the invention is convenient to use, achieves the clamping of a Nixie tube PCB with different shape structures through coarse adjustment and fine adjustment, has a wide range of use and good clamping stability, and thus ensures the precision and consistency of welding quality.

The invention relates to a steel structure manufacturing and machining system. The steel structure manufacturing and machining system comprises a workbench, a limiting device and a clamping and aligning device, the workbench is connected with the existing ground, the limiting device is arranged on the workbench, and the clamping and aligning device is arranged above the limiting device. A limiting bolt can push a limiting plate by rotating the limiting bolt, the front end and the rear end of a square base are clamped and limited, so that the square base is fixed, and the square base is prevented from deviating in the welding manufacturing and machining process; and meanwhile, the distance between limiting plates can be adjusted by adjusting the limiting bolt, so that the machine can fix bases of different sizes, and connecting supports of different specifications can be manufactured.

The invention discloses an adjustable telescopic supporting device for a civil construction site. The device comprises a bottom placing base plate and a top supporting plate, wherein a plurality of semi-spherical protruding structures of an integrated structure with the bottom placing base plate are arranged in the bottom of the bottom placing base plate. By means of a thread technology, the supporting action capable of adjusting the height is achieved, so that support of the device bearing the weight is more stable and better in effect. Moreover, the device can control the maximum upward jacking force when the device supports, so as to prevent the condition that the upper parts are damaged as the jacking force is too great effectively, so that the device is high in practicality. Furthermore, the device provided with an annular array type sleeve connection rotating mechanism can be connected at the outer ring of a main threaded sleeve in a sleeving manner, and the main threaded sleeveis manually rotated conveniently, so that a role of adjusting the height is played. In addition, the device provided with a maximum rotating torque force control mechanism can control the maximum torque force effectively during rotation, so as to play a role of controlling the jacking force.

The invention discloses a rotating type soil punching machine which comprises a rotating column and an operation handle, wherein a connecting column is arranged at one end of the rotating column; a punching head is arranged at the other end of the rotating column; a punching groove is formed in the punching head; the connecting column is sleeved with a fixing shaft; the fixing shaft is connected with the rotating column; a fixing groove is formed in the middle of the fixing shaft; a sleeve is arranged at the front end of the operation handle; a mounting hole is formed in the middle of the sleeve; the connecting column is sleeved in the mounting hole; the sleeve has a plurality of inserting holes; hinge pins which penetrate through the fixing groove are inserted into the inserting holes. The punching machine can be conveniently inserted into soil to achieve the punching function, water discharge holes can be also punched so as to be convenient for seeding, and the punching machine is convenient to use because of manual rotation, and is also convenient to mount.

The invention discloses a thermostat and automobile engine cooling system provided with the thermostat, and belongs to the technical field of automobile engine cooling systems. A movable rod is arranged at one end of a thermostat body; an upper valve and a lower valve are fixedly installed on the surfaces of the two ends of the thermostat body; a large circulation pipeline is connected to one surface of the upper valve in a sealed mode; and an upper extrusion spring is connected to the other surface of the upper valve in a contact manner. According to a supporting base provided for the thermostat and automobile engine cooling system provided with the thermostat, rapid assembling and disassembling with a thermostat under the action of a mounting sleeve is achieved, the position on the surface of the thermostat can be freely adjusted, the assembling convenience is improved, and an upper limiting plate and a lower limiting plate have the function of moving up and down. The elastic force strength of the upper extrusion spring and a lower extrusion spring can be adjusted according to actual needs, the purchasing range of the springs is widened, and then the production cost is reduced.

The invention discloses a spine correction instrument, and belongs to the technical field of medical instruments. A waist plate is fixedly connected to the surface of a back plate; a waist belt is fixedly connected to one end of the waist plate; a sliding groove and a positioning groove are formed in one side face of the back plate; a lower clamping groove is formed in the other side face of the back plate; a storage groove communicating with the sliding groove is formed in one end face of the back plate; an adjusting plate is slidably connected into the storage groove; a screw hole is formedin the side face of one end of the adjusting plate; a screw rod is in threaded connection with the inner wall of the screw hole; and the surface of the screw rod is in contact connection with the inner wall of the sliding groove. The adjusting plate of the spine correction instrument has a telescopic function, the total length of the back plate can be increased, and therefore the spine correctioninstrument is suitable for children of different ages to use, and the application range of the spine correction instrument is greatly widened; and by arranging an upper anti-disengagement groove, a lower anti-disengagement groove and an anti-disengagement block, a supporting plate is convenient to assemble and cannot slip in the using process, and the using stability of the supporting plate is improved.

The invention discloses a cable winding device with a cable cutting-off function, and belongs to the technical field of electric devices. The cable winding device is characterized in that a supportingplate is fixedly connected to the surface of a bottom plate, a winding wheel is rotatably connected to the side surface of the supporting plate, the surface of the winding wheel is bundled with a cable, a fixing plate is fixedly connected to the surface of the bottom plate, a connecting rod is slidably connected to the side surface of the fixing plate, an extruding roller is rotatably arranged atthe surface of the connecting rod in a sleeving mode, and an adjusting hole is formed in one end surface of the fixing plate. A shearing seat arranged by the cable winding device with the cable cutting-off function has the function of horizontal movement, winding and unwinding of the cable cannot be influenced, and a motor and a cutting piece are arranged, so that a worker can easily and quicklycut the cable off, the arranged extruding roller has the function of moving up and down, the cable can be extruded, cutting-off of the cutting piece is facilitated, guiding can be carried out when thecable is wound and unwound, and the use convenience of the cable winding device is improved.

The invention discloses a cleaning device for a tobacco building stirrer, and belongs to the technical field of building construction devices.The cleaning device is characterized in that an upper cover is arranged at one end of a stirring barrel, an opening is formed in one side face of the upper cover, a motor is fixedly installed at the other end of the stirring barrel, a shaft rod is arranged at the output end of the motor, and stirring blades and a fixing sleeve fixedly sleeve the surface of the shaft rod; according to the cleaning device for the tobacco building stirring machine, through the arrangement of the fixing sleeve and the connecting sleeve, the cross rod can be rapidly disassembled and combined, a brush plate can be conveniently installed for cleaning the inner wall when the inner wall of the stirring machine is cleaned, the brush plate can be rapidly disassembled when concrete stirring is conducted, and the brush plate can be conveniently detached; according to the concrete stirring device, the brush plate cannot be damaged when stirring concrete, the service life of the brush plate is prolonged, meanwhile, the telescopic movable rod and the spring are arranged, the brush plate cannot excessively extrude the inner wall of the stirring barrel, the elastic strength of the spring can be adjusted according to actual needs, and the cleaning effect of the brush plate is improved.

The flattening device for winding is arranged on the feeding side of a winding machine and comprises a rotating shaft, the two ends of the rotating shaft are horizontally erected on a rack of the winding machine, the inner side of the rotating shaft is rotationally connected with a rotating arm, the rotating arm is in an L shape, the driving end of the rotating arm is connected with a first acting cylinder through a pin shaft, and the first acting cylinder is installed on the rack of the winding machine through a first cylinder support; the working end of the rotating arm is fixedly connected with a working short arm, and the working short arm is connected with the working end of the rotating arm at an obtuse angle; the front end of the working short arm is provided with a flattening roller used for pressing and rolling a metal thin strip, the two ends of the flattening roller are erected in a square box installed at the front end of the working short arm through a flattening roller end base, the top of the flattening roller end base is provided with an elastic pressing assembly, and a guide assembly is arranged in front of the flattening roller end base. And the elastic pressing assembly downwards pushes the flattening roller end seat along the guide assembly. According to the flattening device for winding and the working method of the flattening device, the flattening roller is elastically pressed, the adaptability to the shape of a strip coil is high, continuous and stable flattening force is provided, and the winding quality is improved.

The invention discloses a frying machine for removing impurities for food processing. The frying machine comprises a box body, an outer basket body, a base, an upright column, a top plate, a sleeve tube and a heating device; a rotary inner basket body is coaxially arranged in the box body, and an upright rotary shaft which is rotatably connected with the outer basket body is fixed to the central shaft of a bottom plate; a plurality of stirring mechanisms used for poking foods are installed in the rotary inner basket body; a stainless filtering net with a ring of net holes smaller than the netholes of the outer basket body is arranged at the bottom of the outer basket body, and a collecting chamber is arranged at the bottom of the box body. According to the frying machine, foods in the rotary inner basket body are stirred when the foods are fried, oil liquid is conveniently in contact with the foods to prevent the mutual bonding of the foods resulting in the influence of frying uniformity, and the foods can be fried to ensure the taste; the filtering net at the bottom of the outer basket body can push scattered impurities in the oil liquid downwards, the impurities are condensed and enter a collecting cavity below from a discharging port, and therefore the impurities are prevented from moving upwards to be bonded on the surfaces of the foods.