68results about How to "Guaranteed to be fixed and stable" patented technology

The invention discloses a power battery pack assembly structure of an all-electric vehicle. The power battery pack assembly structure comprises a shell; the outer side at the bottom of the shell is symmetrically provided with a battery pack fixing structure connected with a vehicle body floor board; the front part of the shell is positioned below the middle part of a front floor board; the middle part of the shell is positioned below a middle channel of the front floor board; the rear part of the shell is positioned below a middle floor board; the inner side at the bottom of the shell is provided with a battery cooling system; a front battery module is arranged at the front part above the battery cooling system; a rear batter module is arranged at the rear part above the battery cooling system; the front battery module and the rear battery module are respectively provided with battery module fixing structures connected with the battery pack fixing structure; and a battery management unit is arranged between the front battery module and the rear battery module. According to the invention, after a fuel oil tank is not installed on the electric vehicle, available spaces below a rear seat and below a front seat can be utilized fully, and the requirements on ground clearances of a riding space and a battery pack are met. The power battery pack assembly structure provided by the invention is reasonable in structural arrangement, extremely firm in fixation, and convenient to mount and dismount.

A transfacet-pedicle locking screw fixation assembly includes a plurality of pedicle screws each including threads at a distal end and a connecting receptacle at a proximal end. The connecting receptacle is oriented perpendicularly with respect to a longitudinal axis of the pedicle screw. A basic transfacet locking screw including threads at least at a distal end has the distal end engaging the connecting receptacle in one of the pedicle screws. The transfacet locking screw may also be interlocked with another transfacet locking screw.

A position detecting sensor is equipped with a holder capable of accommodating a sensor member therein on which a magnetic sensor is disposed. A connector formed on an end of the holder is connected to a fitting through a connecting bolt. The fitting is disposed by insertion into a sensor groove of a cylinder apparatus, and after insertion of the fitting into the sensor groove, the holder and the fitting are fastened by the connecting bolt, thereby fixing the holder with respect to the cylinder apparatus.

The invention discloses an adjustable multimedia teaching auxiliary device, which comprises a support frame, a storage battery is fixedly connected to the middle position of the inner bottom of the support frame, chute is opened on the bottom of the inner wall on both sides of the support frame, and the inner walls of the two chute A sliding block is movably connected, and a movable plate is fixedly connected between the opposite sides of the two sliding blocks. The invention provides an adjustable multimedia teaching auxiliary device. By setting an electric push rod and universal wheels, it has the advantages of being convenient to move and fix. By setting a buffer device, it has the advantage of shock absorption. By setting a driving motor, a screw rod, The adjustment block and the top plate have the advantage of adjusting the projection height of the multimedia setting, the advantages of adjusting the projection direction of the multimedia equipment by setting the rotating disk and the fixed shaft, and the adjustment of the projection angle of the multimedia equipment by setting the adjustment seat, the pin shaft and the adjustment bolt Advantages, it solves the problem that multimedia equipment is not easy to adjust in teaching.

An external fixation device 1 for fracture treatment for fixing a fractured affected limb B1 of a quadruped A is configured to include an almost toric ring portion 3 which is to put on periphery C of a shoulder joint and through which the affected limb B1 passes; a supporting portion 4 having right / left walls and a back wall, having upper / lower surfaces and a front face opened, and accompanying the affected limb B1 from a radial head to a distal end of a metacarpal bone; a connecting body 6 for connecting the rear of the ring portion 3 and the back wall of the supporting portion 4; a grounding body 7 being connected to the back wall of the supporting portion 4 and positioned below an opening of the lower surface of the supporting portion; a fixing means 9; and an upper arm supporting section 10.

The invention discloses an unmanned aerial vehicle with telescopic vehicle arms. The unmanned aerial vehicle comprises a vehicle body, a vehicle arm, a guide groove and a rotor wing assembly, whereinthe vehicle arm comprises a first arm rod and a second arm rod, one end of the first arm rod is connected with the vehicle body, a movable fastening shaft is arranged on the first arm rod, a flexiblepad is arranged at one end of the fastening shaft, and a limiting protrusion is arranged on the inner circumferential wall of the first arm rod; the guide groove extending in the axial direction of the second arm rod and is formed in the peripheral wall of the second arm rod, a plurality of limiting grooves are formed in the groove bottom wall of the guide groove and distributed in the length direction of the guide groove at intervals, the second arm rod slidably extends into the first arm rod, and the limiting protrusions are located in the guide groove; the second arm rod slides to enable the limiting protrusion to be matched with one limiting groove, and the fastening shaft moves to enable the flexible pad to abut against the second arm rod to fix the second arm rod. and the rotor wingassembly is arranged at the end, away from the first arm rod, of the second arm rod, and the device can achieve extension and retraction of the vehicle arm.

The invention discloses an airplane cabin curtain assembly, which comprises a middle curtain assembly and a left and right curtain assembly, wherein the middle curtain assembly comprises a guide rail A (1), a guide rail B (2) and a middle curtain support (3), and the guide rail A (1) and the guide rail B (2) are arranged on a big luggage carrier (4) of the cabin; the middle curtain support (3) comprises a support body A (5), a sliding sleeve A (6), a fixed support rod (7), a sliding support rod (8), a sliding sleeve B (9) and a locking device (10); the sliding sleeve A (6) is movably sheathed on the guide rail A (1), and the sliding sleeve B (9) is movably sheathed on the guide rail B (2); and the left and right curtain assembly comprises a pre-installed base (13) and a left and right curtain support (14). The airplane cabin curtain assembly has the beneficial effects that the airplane cabin curtain assembly is conveniently installed on an airplane on the basis that the original structure of the airplane is not damaged, so that the influence on the airplane safety is reduced, and the construction difficulty is reduced; and the installation structure is simple and convenient and is easily regulated, and the installation structure is firmly and stably fixed.

The invention discloses a metal plate flanging device convenient to adjust a bending angle. The metal plate flanging device convenient to adjust the bending angle comprises an installation seat, wherein fixed blocks are welded to two sides of one end of an outer wall of the bottom part of the installation seat; horizontally arranged installation plates are arranged on outer walls of the bottom parts of the fixed blocks through bolts; hydraulic rods are arranged on one sides, far away from the installation seat, of outer walls of the top parts of the installation plates through bolts; a first installation plate and a second installation plate arranged horizontally are arranged on outer walls of the top parts of the two hydraulic rods through bolts; a horizontally-arranged drive motor is arranged on an outer wall of the top part of the first installation plate through a bolt. According to the metal plate flanging device convenient to adjust the bending angle provided by the invention, after a metal plate penetrates through the bottom parts of connecting rods and is fixed by using a pressing plate and pressing blocks, the drive motor is started to drive the connecting rods to rotate so as to rotate a flanging plate, the flanging plate contacts the metal plate so as to continuously push and bend to realize flanging operation, and the rotation angle of the drive motor can be used for adjusting the rotation angle of the flanging plate, so that the bending angle is adjusted.

The invention discloses a three-leaf type locking bone fracture fixation plate easily improving stability. The three-leaf type locking bone fracture fixation plate comprises a locking main plate and afirst reinforcing groove, a wing plate is connected to the top end of the locking main plate, a locking hole is formed in the locking main plate, a limiting groove which is formed in the inner side of the locking hole is formed in the bottom end of an inserting groove, installing parts are connected to the inner side of the locking hole, inserting rods are installed on the sides of cover plates,the first reinforcing groove, a second reinforcing groove and a third reinforcing groove are separately formed in the locking main plate, and a fixing plate is connected to the inner side of the firstreinforcing groove. According to the three-leaf type locking bone fracture fixation plate easily improving stability, connecting holes are convenient to select so that treatment operation can be conducted conveniently according to detailed injured skeletons, installing, connecting and using are rapidly and stably installed easily, locking is convenient, it is conveniently guaranteed that the locking main plate, the wing plate and a top plate are fixed stably, shifting is easily avoided, and usage for treatment is easy.

The invention discloses a feeding and discharging device for a liquid injection machine. The feeding and discharging device comprises a mounting base. Cylinders arranged vertically are mounted at thefour corners of the outer wall of the top of the mounting base through bolts. The outer walls of the tops of the four cylinders are provided with a fixed plate arranged horizontally through bolts. Theouter wall of the top of the fixed plate is provided with a driving motor arranged vertically through bolts. Limiting tubes arranged vertically are welded to the outer wall of the top of the fixed plate. The outer wall of the top of each limiting tube is provided with an annual limiting groove. The driving motor is located inside the limiting tubes. According to the feeding and discharging device, a battery shell is sleeved through a through slot of a fixed seat; meanwhile, four electric push rods are started to enable four fixing blocks to pres the battery shell, so that the battery shell isfixed to the fixed seat stably and reliably and is not likely to fall off in the feeding and discharging process. The feeding and discharging device is safe and reliable in use, capable of fixing different sizes of lithium battery shells according to the telescopic distance of the electric push rods and wide in application range.

The invention provides a sucking disc type preassembled hanging meter plate for an electric energy meter checking device. The sucking disc type preassembled hanging meter plate comprises checking devices, elastic support plates, guide rails, hanging meter plates, a suspension rack, guide grooves, screwing handles, an illumination power supply module, sucking discs, metal hoses, lamp beads, a containing box, and a display stand, the checking devices are arranged at the upper parts of the guide rails via the elastic support plates, the hanging meter plates are fixedly connected with the suspension rack, the guide grooves are arranged at the upper side and the lower side of the suspension rack, the screwing handles are connected with the sucking discs via threads, the lower part of the illumination power supply module is provided with the lamp beads via the metal hoses, and each sucking disc comprises a threaded pipe, a magnet disc, internal threads, grooves, and anti-skid strips. According to the sucking disc type preassembled hanging meter plate, the elastic support plates, the metal hoses, and the sucking discs are provided, the structure is simple, the cost is low, the installation and fixation are convenient, stability and reliability are realized, the work efficiency is improved, and market promotion and application are facilitated.

A spring leaf and an overrunning clutch provided with the same are provided. The spring leaf is made up of a support strip (3-1), a clamping strip (3-2), and a connection beam (3-3). The support strip (3-1) supports a needle roller in suspension. The connection beam (3-3) connects the support strip (3-1) with the clamping strip (3-2). The main body of the clamping strip (3-2) is a straight strip (3-2-1), either end of which is provided with a V-shaped bended part (3-2-2). The overrunning clutch is provided with a retainer, multiple needle rollers, and multiple spring leaves. Mounting grooves for the spring leaves are respectively disposed at positions, corresponding to each crossbeam, on outer end surfaces of a first and a second annular end edge at both ends of a window hole of the retainer. The bottom of the mounting groove for the spring leaf is V-shaped when cut along an axial direction of the retainer. An inner surface of the straight strip (3-2-1) of the clamping strip (3-2) of the spring leaf is matched with an outer surface of the crossbeam. An inner surface of the V-shaped bended part (3-2-2) of the clamping strip (3-2) is matched with a bottom surface of the mounting groove for the spring leaf. The technical problem of the potential displacement and detachment of the spring leaf during the reciprocation of the existing overrunning clutch at a high rotational speed and high frequency is solved by the invention.

The arrangement is applied to a compressor which comprises: a crankcase, carrying a cylinder provided with a lateral slot and in which is housed a piston provided with two radial holes and with an eccentric axial hole; a connecting rod connected to a crankshaft driven by an electric motor and having a smaller eye mounted in the piston; and a wrist pin having a first end turned to the bearing hub of the crankcase, a second end turned to the lateral slot of the cylinder and a diametrical hole, adjacent to the second end in which is provided an engaging means, for the axial and rotational coupling of a tool for mounting and indexing the wrist pin, in the interior of the piston, in a position in which the diametrical hole is axially aligned with the eccentric axial hole, so as to allow an elastic pin to be introduced in said diametrical hole and in said eccentric axial hole.

The invention relates to the technical field of artichoke production and processing, in particular to a rolling type artichoke screening device based on the gravity of a conical base. The rolling typeartichoke screening device comprises a screening box and a supporting mechanism at the bottom of the screening box, the top of the screening box is communicated with a feeding hopper, two screening drawers are arranged in the screening box, a coarse filter screen and a fine filter screen are arranged at the bottoms of inner cavities of the two screening drawers correspondingly, and the supportingmechanism at least comprises the conical base, a placing device and fixing devices, the conical base is in a cone frustum shape, and the placing device comprises a placing plate; buffering springs are arranged at the positions, close to the corners, of the bottom of the placing plate, a screening motor is arranged in the center of the bottom of the placing plate, an output shaft of the screeningmotor rotationally penetrates through the placing plate to be connected with the bottom of the screening box, each fixing device comprises a fixing cylinder, the fixing cylinders are arranged on the surface of the conical base, and the bottom of each fixing cylinder is communicated with a rubber suction cup; and each rubber suction cup is made of an elastic rubber material. According to the rolling type artichoke screening device, the screening effect is better, the screening stability can be guaranteed, and the situation that normal use is affected due to toppling is avoided.

The invention relates to the technical field of crane winches, in particular to a crane winch convenient to replace and maintain. The winch comprises a winch mounting shell, a storage shaft, a quick replacement mechanism and a winch connecting base, a limiting groove is formed at the bottom of the outer wall of the winch mounting shell, and a limiting block matched with the limiting groove is arranged at the top of the side wall of the winch connecting base. A clamping plate is fixedly arranged on the outer wall of the top of the winch connecting base, the bottom of the winch mounting shell makes contact with the upper surface of the clamping plate, the storage shaft is rotationally connected between the two side walls of the winch mounting shell, the quick replacement mechanism is arranged below the outer wall of the winch mounting shell, and the winch connecting base is arranged at the bottom of the winch mounting shell; and one end of the storage shaft is fixedly connected with a conical gear disc, the winch is convenient and fast to mount and dismount, replacement and maintenance of the winch are facilitated, meanwhile, braking can be rapidly and timely conducted under the loosening condition, and potential safety hazards of workers are avoided.

The invention discloses a power battery pack assembly structure of an all-electric vehicle. The power battery pack assembly structure comprises a shell; the outer side at the bottom of the shell is symmetrically provided with a battery pack fixing structure connected with a vehicle body floor board; the front part of the shell is positioned below the middle part of a front floor board; the middle part of the shell is positioned below a middle channel of the front floor board; the rear part of the shell is positioned below a middle floor board; the inner side at the bottom of the shell is provided with a battery cooling system; a front battery module is arranged at the front part above the battery cooling system; a rear batter module is arranged at the rear part above the battery cooling system; the front battery module and the rear battery module are respectively provided with battery module fixing structures connected with the battery pack fixing structure; and a battery management unit is arranged between the front battery module and the rear battery module. According to the invention, after a fuel oil tank is not installed on the electric vehicle, available spaces below a rear seat and below a front seat can be utilized fully, and the requirements on ground clearances of a riding space and a battery pack are met. The power battery pack assembly structure provided by the invention is reasonable in structural arrangement, extremely firm in fixation, and convenient to mount and dismount.

The invention discloses a green and environment-friendly flexible solar panel. The green and environment-friendly flexible solar panel comprises a flexible aluminum substrate; one side of the flexiblealuminum substrate is fixedly connected with a mounting frame through a plurality of locking screws; a cushion pad bonded to the flexible aluminum substrate is arranged in the mounting frame; a solarcell sheet is bonded to one side of the cushion pad, wherein the one side of the cushion pad is far away from the flexible aluminum substrate; an arrangement groove corresponding to the solar cell sheet is formed in the inner side wall of the mounting frame; an accommodating groove is formed in the inner side wall of the arrangement slot; the inner bottom of the accommodating groove is connectedwith clamping blocks through springs; clamping grooves corresponding to the clamping blocks are formed in the solar cell sheet; one side of the solar cell sheet is provided with a PET protective plate, wherein the one side of the solar cell sheet is far away from the cushion pad; the PET protective plate is fixedly sleeved with a connection ring; one side of the connection ring is equidistantly provided with a plurality of clamping rods, wherein the one side of the connection ring is adjacent to the mounting frame; and connection grooves corresponding to the clamping rods are formed in one side of the mounting frame, wherein the one side of the mounting frame is far away from the flexible aluminum substrate. The green and environment-friendly flexible solar panel of the invention has the advantages of simple structure and convenient use. According to the the green and environment-friendly flexible solar panel of the invention adopted, the solar cell sheet can be fixed stably and reliably, and the service life of the solar panel can be prolonged.

A planar lighting device includes: a plurality of point light sources; a circuit board provided with the point light sources; a light guide plate including an end surface along which the point light sources are disposed in a facing manner and a surface to which a portion of a front end of the circuit board is fixed; and a fixing member that fixes the circuit board to the light guide plate. The fixing member includes: a plurality of small-piece double-sided adhesive members; and a single-sided adhesive member that integrates the plurality of small-piece double-sided adhesive members.

The invention belongs to the technical field of aluminum alloy wheel surface treatment, and particularly relates to a milling tool for carving an aluminum alloy wheel. The milling tool comprises a tool handle and a tool bit connected with the tool handle. A tool nose is arranged at the end, away from the tool handle, of the tool bit and is made from a diamond material. The tool nose is in a semi-circular-truncated-cone shape. The lower bottom face of the tool nose is connected with the tool handle. The diameter of the upper bottom face of the tool nose is 1.0-1.5 mm. By enlarging the tool nose, the carving milling tool provided by the invention is suitable for carving the surface of the aluminum alloy wheel, long in service life and clear in carving codewords, and the tool nose is not liable to be split in the carving process.

The invention relates to the technical field of pressure gauges, in particular to a pressure gauge with a peripheral transparent protection structure, which comprises a pressure gauge fixing mechanism, and is characterized in that a shield fixing mechanism is arranged on the pressure gauge fixing mechanism; according to the pressure gauge with the peripheral transparent protective structure, the protective cover fixing mechanism and the transparent protective cover are arranged, so that the protective cover is convenient to disassemble and assemble, and the protective cover is convenient to maintain or replace; the transparent protective cover does not influence the reading of the dial plate, so that the design is humanized; according to the pressure gauge with the peripheral transparent protection structure, the pressure gauge fixing mechanism and the connecting mechanism are arranged, so that the connecting stability and firmness of the pressure gauge and a pipeline are improved; according to the pressure gauge, the fixing mode of a traditional pressure gauge is changed, the pressure gauge is stably fixed to a pipeline through a series of structures on the pressure gauge, damageto the pressure gauge due to external force impact and the like is avoided, and the pressure gauge is protected.

The invention provides a fire fighting truck novel cushion, belongs to the machinery technical field, and solves the problems that an existing cushion may obstruct a fireman to get off; the fire fighting truck novel cushion comprises a round plate shape counterweight plate; the top of the counterweight plate is provided with a round connecting plate; the connecting plate and the counterweight plate are coaxially arranged; the bottom end face of the counterweight plate is attached by a round plated rubber pad; the rubber pad and the connecting plate are coaxially arranged; the rubber pad is fixed with the counterweight plate through an accidented connecting structure; the bottom end face center of the connecting plate is provided with a protruding rotary shaft; the rotary shaft and the counterweight plate are axially fixed; a friction mechanism allowing the counterweight plate and the connecting plate to produce friction resistance is arranged between the two; the top end face of the connecting plate is fixedly connected with a housing with a sealed chamber; the housing is made of a flexible material; the chamber is filled with sponge, and forms a round plated shape under the filling state. The fire fighting truck novel cushion can reduce the time needed by the fireman to get off the truck.

The invention relates to a movable acrylic stair mold. The movable acrylic stair mold is characterized in that a plurality of supports are vertically arranged on a base at intervals along the length direction of a stair, a plurality of cross beams are horizontally arranged on the supports in parallel, sliding grooves are formed in the cross beams, a plurality of adjusting seats are arranged on thecross beams, and adjusting bolts are screwed on the adjusting seats; and the adjusting bolts on every two adjacent adjusting seats vertically abut against the outer sides of the two vertical sides ofany L-shaped corner pipe plate, so that the L-shaped corner pipe plates are rotated, stretched and abutted against on the adjusting seats, the distance between the L-shaped corner pipe plates and back push plate members is adjusted, and the distance between any L-shaped corner pipe plate and the corresponding vertical edge of the next L-shaped corner pipe plate is adjusted. The mold has the advantages that the structure is compact and stable, the height of different steps can be met, span stairs can be poured, and the adjustment is convenient and rapid.

The invention discloses a large wind power gear box turnover machine, and relates to the field of wind power machining, the large wind power gear box turnover machine is characterized in that two vertical sliding rails are installed at the top of a base, the two vertical sliding rails are jointly connected with a lifting driving assembly, and the lifting driving assembly is connected with a turnover driving assembly; the overturning driving assembly is connected with a clamping assembly through a length adjusting assembly. By arranging the clamping assembly, the wind power gear box can be clamped and fixed before overturning, the wind power gear box can be further adsorbed and fixed through the two symmetrically-arranged adsorption stabilizing assemblies, stability and firmness are achieved, the situation that the wind power gear box shakes or even falls off and is damaged during overturning is effectively avoided, safety is good, and the wind power gear box can be conveniently and rapidly overturned. Through the arrangement of the overturning driving assembly and the lifting driving assembly, the purposes of lifting and overturning the wind power gear box and putting down the wind power gear box after overturning can be achieved, other equipment such as a crane is not needed, operation is easy and convenient, time and labor are saved, and the machining efficiency is improved.

A detachable grill comprising a body, a pan detachably mounted on said body and a locking device for connecting said body with said pan, said body having a heating device for heating said pan, wherein said locking device comprises: a sleeve, a connecting nail and a deflecting device, the flange of the lower portion of said sleeve protruding outwardly to form a clamping portion, said sleeve connected to the bottom of said pan by said connecting nail, wherein said deflecting device is movably connected to said body and can abut against the clamping portion or move away the clamping portion selectively. The deflecting device abuts against the clamping portion to prevent the sleeve from sliding upwardly so as to lock and fix the pan.

The invention discloses a clip-shaped pin fixed structure of a caster wheel for dust collectors, which belongs to an auxiliary instrument of a caster wheel for dust collectors. The clip-shaped pin fixed structure comprises a rotating shaft, the rotating shaft is arranged in a shaft hub of the caster wheel for dust collectors, the external lateral end of the rotating shaft is provided with a concentric shaft gear, and a ring groove is formed at the internal lateral end of the rotating shaft; the internal lateral end of the rotating shaft and the ring groove are arranged in a rotating-shaft hole frame of a base; a perforating part passing through a shaft center is arranged on the ring groove; and the insides of the ring groove and the perforating part are respectively bonded with an elastic integral clip-shaped pin. In the invention designed as above, because a perforating part passing through a shaft center is arranged on the ring groove at the internal lateral end of the rotating shaft, and an arc clip part of the clip-shaped pin is embedded in the ring groove by pinning a pin body part of the clip-shaped pin into the perforating part, so that the clip-shaped pin is installed easily and fixed firmly and stably. Therefore, an action that the caster wheel moves to the ring groove end of the rotating shaft is limited, and an action that the rotating shaft and the caster wheel on the rotating shaft drop from the rotating-shaft hole frame of the base is prevented.

The invention provides a sucking disc type preassembled hanging meter plate for an electric energy meter checking device. The sucking disc type preassembled hanging meter plate comprises checking devices, elastic support plates, guide rails, hanging meter plates, a suspension rack, guide grooves, screwing handles, an illumination power supply module, sucking discs, metal hoses, lamp beads, a containing box, and a display stand, the checking devices are arranged at the upper parts of the guide rails via the elastic support plates, the hanging meter plates are fixedly connected with the suspension rack, the guide grooves are arranged at the upper side and the lower side of the suspension rack, the screwing handles are connected with the sucking discs via threads, the lower part of the illumination power supply module is provided with the lamp beads via the metal hoses, and each sucking disc comprises a threaded pipe, a magnet disc, internal threads, grooves, and anti-skid strips. According to the sucking disc type preassembled hanging meter plate, the elastic support plates, the metal hoses, and the sucking discs are provided, the structure is simple, the cost is low, the installation and fixation are convenient, stability and reliability are realized, the work efficiency is improved, and market promotion and application are facilitated.