34results about How to "Add limit function" patented technology

The invention discloses an optical fiber connector capable of accurate positioning, which comprises a connector socket and a connector plug, wherein the connector socket comprises a connector socket base, a locking wheel pressure ring, a locking wheel and an operating handle, and the connector socket base is fixed to an optical bottom plate of a confocal imaging system in a rigid manner; the locking wheel pressure ring, the locking wheel and the operating handle form a locking and limiting mechanism of the connector socket; the head part of the connector plug is provided with an axial positioning head, a rotary positioning head is arranged behind the axial positioning head, an optical fiber bundle passes through a hollow hole, and the optical fiber bundle and the connector plug are fixed to each other after being leveled; and the hollow hole faces just to a circular light passing hole when connector plug is inserted to the bottom part of a positioning groove of the connector socket base, and focused laser is injected into the optical fiber bundle through the circular light passing hole. The optical fiber connector adds a rotary positioning function, limits the optical fiber to rotate around the axis, achieves positioning in the rotational direction, applies a pressure on the connector through a spring, ensures stable and reliable locking of the connector, and can control the pressure.

The invention discloses a synchronous traction system, which comprises an upper roll, a lower roll, gears and gear shafts, and is characterized in that a traction machine is provided with a driving system; the driving system drives a chain wheel through a speed reducer, the chain wheel drives a lower drum, the lower drum drives a lower gear, and up-and-down synchronous transmission in which the lower gear drives an upper gear is realized. The synchronous traction system can also comprise an upper roll, a lower roll, gears and gear shafts, and is characterized in that a traction machine is provided with a driven system; the driven system directly drives a lower drum, the lower drum drives a lower gear, and then up-and-down synchronous transmission in which the lower gear drives an upper gear is realized. The synchronous traction system disclosed by the invention overcomes defects of an existing hollow board traction machine, the production efficiency is greatly improved, the hollow board traction machine is changed into flat-key and tightening sleeve connection from traditional flat key connection, an error of a helical gear and a roll shaft is improved, and the transmission performance is improved.

The invention discloses an adjustable special-shaped curved surface aluminum plate mounting structure. The adjustable special-shaped curved surface aluminum plate mounting structure comprises veneers,a profile component and a connecting piece. One pair of opposite sides of each veneer are provided with a first spigot edge and an inserting groove correspondingly, wherein a first spigot edge of oneveneer is connected with an inserting groove of the adjacent veneer in a splicing mode. A second spigot edge and a third spigot edge extend in parallel and are arranged on the same side of the corresponding veneer, wherein the inserting groove is formed by a gap between the second spigot edge and the third spigot edge. The profile component is provided with a T-type groove, wherein the T-type groove is formed by a vertical groove and a transverse groove which are connected in a perpendicular mode. One end of the vertical groove is a groove opening of the T-type groove. The two sides of the profile component are provided with flanges which are in fixed contact with the wall surface. The second spigot edge is attached to the groove opening of the T-type groove. The connecting piece comprises a fixing plate and a connecting bolt which are perpendicularly connected, wherein the fixing plate is located in the transverse groove, and the connecting bolt is located in the vertical groove. Oneend, away from the fixing plate, of the connecting bolt is movably connected with the second spigot edge. By adopting the adjustable special-shaped curved surface aluminum plate mounting structure, the adjacent veneers installed in an inserting mode, the component cost is low, and the position precision of the veneers can be conveniently adjusted.

The invention relates to the technical field of office equipment, and discloses a novel file storage device for information technology consulting. The device comprises a cabinet body, wherein cabinetdoors are fixedly mounted on the left and right sides of the front surface of the cabinet body; handles I are fixedly mounted on the front surfaces of the cabinet doors; lock holes are fixedly mountedon the front surfaces of the cabinet doors; a drying opening is formed in the bottom of the front surface of the cabinet body; a drying tank is fixedly mounted inside the cabinet body; the back surface and the front surface of the drying tank are fixedly connected with the cabinet body; ventilation openings are respectively formed in the left and right sides of the inner wall of the drying tank;filter screens I are fixedly connected to the inner side walls of the ventilation openings; and a ventilation fan is mounted on the back surface of the the drying tank. According to the novel file storage device for information technology consulting, through the matching use of a movable rod, a movable sleeve, a connecting rod, a spring and a push plate, a file can be limited, so that the stability of the file is guaranteed, and the file cannot be scattered on the ground.

A fault current limiter, including: an inductor, a direct current circuit breaker, a shunt resistor, and a first fixed resistor. The inductor includes wound superconducting wires. The direct current circuit breaker and the inductor are connected in series to form a series branch. The shunt resistor is connected in parallel to the series branch. The first fixed resistor is connected in parallel to the direct current circuit breaker.

The invention discloses a synchronous tractor system. The synchronous tractor system comprises an upper roll, a lower roll, gears, gear shafts, a cross connector and a traction motor; the synchronous tractor system is provided with a driving system, a driven system and a synchronous control device; the driving system drives a chain wheel through a speed reducer, the chain wheel drives the lower roll, the lower roll drives a lower gear, and the lower gear drives an upper gear so as to achieve up-and-down synchronous transmission; the driven system directly drives the lower roll, the lower roll drives the lower gear, and the lower gear drives the upper gear so as to achieve the up-and-down synchronous transmission; the synchronous control device synchronously controls the driving system and the driven system so as to ensure achievement of the up-and-down synchronous transmission. The synchronous tractor system overcomes the defect of the existing hollow board tractor; through adoption of the up-and-down transmission, the synchronous transmission of the upper roll and the lower roll is achieved during transmission of the speed reducer, so that continuous synchronization can be achieved, traction slipping is avoided, friction is increased, and the production efficiency is greatly improved.

The invention discloses a lead-in and limiting mechanism for a vehicle-carried container of an unmanned aerial vehicle. The lead-in and limiting mechanism comprises a lead-in strip arranged on the side wall of the farm chemical loading container, and a limiting groove is formed in the lead-in strip; and a lead-in structure is mounted on a machine body and can make contact with the lead-in strip and move along with the farm chemical loading container to make the lead-in structure be clamped in the limiting groove after the farm chemical loading container is inserted into the machine body. According to the lead-in and limiting mechanism for the vehicle-carried container of the unmanned aerial vehicle, the mechanism design is simplified, the anti-retreating and limiting functions are added onthe basis of the lead-in structure, redesigning the mechanism is not required, the occupied space is reduced, the manufacturing cost is reduced, the structural design is simplified, and meanwhile, the assembling convenience is promoted; the wedge-shaped lead-in outline of the side wall of a farm chemical box is fused with a box body to increase the strength of the side wall; idlers wheels can bemade of rubber, silicone and other soft materials, so that the damping function is achieved to realize intensity adjusting when the farm chemical box is leaded in, and abrasion of the wall of the container is reduced; and on the other hand, after loading is finished, the rubber idler wheels are in a compression state and can limit shaking of the farm chemical box and promote the limiting effect.

The invention provides a combined sanitary towel with a holding capacity adjusting structure. The combined sanitary towel comprises a waterproof outer layer, a thin soft cotton surface layer, a strongwater absorption strip and a tail wing, wherein the thin soft cotton surface layer is arranged in the waterproof outer layer, and one side of a breathable bottom film is bonded with one side of the waterproof outer layer. The combined sanitary towel has the advantages that the holding capacity of the sanitary towel can be adjusted automatically according to the menstrual flow through the adjusting structure, blood can permeate into a protective pad through skin-friendly cotton when the blood volume is too large, the protective pad can lock liquid moisture, waterproof cotton can prevent the blood from leaking into underpants, an auxiliary tear tape can drive the waterproof cotton, the protective pad and the skin-friendly cotton to be torn off from the bottom of the thin soft cotton surfacelayer by pulling the auxiliary tear tape upwards, the bottom of the thin soft cotton surface layer can continue to absorb the blood and lock the moisture, and therefore the holding capacity of the sanitary towel can be adjusted automatically according to the menstrual flow, the applicability of the sanitary towel is improved, and the comfort of a user is enhanced.

The invention provides a mechanical seal limiting mechanism which comprises cylindrical holes, positioning blocks, an upper half ring, a second O-shaped ring, a second sealing ring groove, a lower half ring, nuts, through holes, locking cylinders and a fixing ring. The upper half ring is arranged at the upper end of the lower half ring, the two cylindrical holes are formed in the right end face of the upper half ring and the right end face of the lower half ring correspondingly, and the two positioning blocks are welded to the left end of the upper half ring and the left end of the lower half ring correspondingly. By means of the design, a limiting block and a static ring end cover can be better connected in a positioned mode, and the separable limiting block is more convenient to mount and dismount; the two through holes are symmetrically formed in the upper and lower ends of the interior of the fixing ring, and the locking cylinders penetrate through the through holes; and the nuts are mounted on the locking cylinders and fixed to the left end of the fixing ring. According to the design, when the limiting block loses efficacy, the limiting block can be prevented from moving, working stability is further guaranteed, and the mechanical seal limiting mechanism is good in stability, high in reliability, long in life and easy to mount and dismount.

The invention provides a piezoelectric ceramic jacquard comb. The piezoelectric ceramic jacquard comb comprises a main body and jacquard needles, wherein the main body comprises a base and a comb sheet head; the comb sheet head is provided with a plurality of comb sheets; a groove is formed in the base; a bulge is arranged on the corresponding comb sheet head; a weight reducing groove is further arranged at the lower end of the comb sheet head; and the comb sheet head is made of an alloy material. The piezoelectric ceramic jacquard comb provided by the invention adopts a structure that the jacquard comb main body is divided into the base and the comb sheet head, which are arranged by sections, and the comb sheet head is made of the alloy material with higher strength, so that the anti-collision and anti-deformation capabilities can be obviously improved and a limiting function of the jacquard needles is improved; and a phenomenon that the jacquard needles are excessively vibrated and are interfered with other knitting needles and then are broken is avoided; and the structure can be used for manufacturing NO.E36 or No.E40 jacquard combs with higher density.

The invention provides a cutting machine servo limiting device convenient to adjust. The cutting machine servo limiting device comprises a planet wheel speed reducer, mounting flange plates, a driving shaft, a rotating angle limiting frame structure, an elastic lifting frame structure, a transverse moving limiting frame structure, a telescopic wire hoisting frame structure, a mounting bolt, a sliding block coupler, a servo motor, a connecting flange plate and an encoder connecting socket; the mounting flange plates are welded to the left side and the right side of the outer portion of the planet wheel speed reducer correspondingly; and the driving shaft is mounted in the middle of the right side of the planet wheel speed reducer. The cutting machine servo limiting device has the beneficial effects that through the arrangement of a connecting sleeve, a semicircular protrusion, a sliding block, a center ejector rod and a bottom limiting switch, the rotating angle of the driving shaft can be limited, the driving shaft is made to support the rotating fixed angle, and the situation that the precision of a cutting machine is reduced due to the fact that the rotating angle of the driving shaft is too large is prevented.

The invention discloses a synchronous traction engine system. The synchronous traction engine system comprises an upper roller, a lower roller, gears, a gear shaft, a connecting disc and a cross joint. The synchronous traction engine system is characterized by being provided with a driven system; the driven system directly drives the lower roller, the lower roller drives the lower gear, and then the lower gear drives the upper gear to achieve vertically synchronous transmission. The number of the gears is three, the gear I rotates rightwards, the gear III rotates leftwards, and the number of teeth of the gear II is 20-40 and is preferably 31; the modulus of the gear I and the modulus of the gear II are both 2-10 and are preferably 8. The synchronous traction engine system overcomes the defects of an existing hollow plate traction engine, works in a vertical transmission mode, and enables the upper roller and the lower roller to achieve completely synchronous transmission while a speed reducer drives, thereby guaranteeing non-slip of traction through continuous synchronization, increasing frictional force, greatly improving production efficiency, increasing errors between a bevel gear and a rolling shaft, and improving transmission performance.

The invention discloses a synchronization traction system. The synchronization traction system comprises an upper roller, a lower roller, gears and gear shafts. A traction machine is provided with a driving system. The driving system drives a chain wheel through a speed reducer, the chain wheel drives the lower roller, the lower roller drives the lower gear, and accordingly the lower gear drives the upper gear to achieve up-down synchronous drive. The synchronization traction system also can comprise the upper roller, the lower roller, the gears and the gear shafts. The traction machine is provided with a driven system. The driven system directly drives the lower roller, the lower roller drives the lower gear, and then the lower gear drives the upper gear to achieve up-down synchronous drive. The synchronization traction system overcomes the defects of an existing hollow plate traction machine, production efficiency is greatly improved, the hollow plate traction machine is changed to be in flat key and swelling sleeve connection from traditional flat key connection, errors of a bevel gear and a roller shaft are reduced, and the transmission performance is improved.

The invention relates to the field of ground lead mounting safety protection of transformer substations, overhead transmission lines, distributing lines and cable lines in the electric power industry, in particular to a ground lead clip. The ground lead clip aims at solving the problems that time consumed when a traditional ground lead clip is disassembled is long, the physical ability of operating personnel is seriously affected due to long-time continuous operation, and hidden dangers are brought to safe operation. The ground lead clip comprises a ground conductor clip body and a sleeve connected with an insulating pull rod, wherein the ground conductor clip body is provided with a clip head, the sleeve is composed of a cylindrical tube and a horn-type tube, the cylindrical tube and the narrow end of the horn-type tube are in butt joint to be of an integrated structure, a first through pore passage is formed in the wall of the horn-type tube, a second pore passage is formed in the wall of the cylindrical tube, a steering pore passage is formed in one side of the closed end of the second pore passage and is perpendicular to the second pore passage, and a first positioning and clamping hole and a second positioning and clamping hole are formed in the two sides of one end portion of the steering pore passage.

The invention discloses a clutch with a limiting function. By means of the structure, the combination condition of a centrifugal body and a driven disc is limited, and therefore the use safety of the clutch is increased. Through the interaction of a special-shaped lever and the centrifugal body, the limiting function is added, and excessive wear and use in power transmission in the prior art are effectively reduced. A friction material of the centrifugal body of the clutch is worn to the scrap degree and cannot continue to be used. According to the clutch, the structure is simple, manufacturing and maintaining are convenient, and stability performance is improved.

The invention discloses an automatic paperboard clamping device for a carton. The device comprises a paperboard clamping device body, a top plate and a conveying belt, the top plate is mounted at the upper end of the paperboard clamping device body, a mounting shell is fixedly connected to the upper end of the top plate, a motor is arranged at the outer side of the mounting shell, and a connecting rod is connected to the front end of the motor; a connecting disc is fixedly connected to the outer side of the connecting rod, a mounting plate is connected to the outer side of the connecting disc, the conveying belt is arranged at the lower end of the interior of the paperboard clamping device body, a supporting rod is mounted in the conveying belt, a fixing block is mounted at the outer side of the conveying belt, and a limiting rod is connected to the interior of the fixing block; and a connecting block is fixedly connected to the inner side of the limiting rod, and a limiting plate is installed at the inner side of a spring. According to the automatic paperboard clamping device for the carton, the limiting function on the carton is enhanced, so that the paperboard clamping accuracy of the carton is improved, the working efficiency is further improved, the positioning effect is enhanced, and the automatic paperboard clamping device is convenient to use.