61results about How to "Play a role in preventing shedding" patented technology

The invention discloses a bogie of a net rail detecting vehicle. The bogie of the net rail detecting vehicle comprises a framework and an external wheel set and axle box assembly, wherein a rail detecting beam is transversely arranged at the front end and/or the rear end of the framework; and a speed sensor which detects the speed of the vehicle is arranged on the wheel set and axle box assembly. The bogie of the net rail detecting vehicle meets requirements of safety, stability and the like of running of the vehicle, furthermore, a reliable mounting connecting structure for rails and bow net detecting equipment is provided, and therefore, online detection operation on the rails and bow nets under the running state of the vehicle is realized.

The invention discloses a rope wheel type glass lifting device which comprises a plastic guide rail, a traction steel wire, a guide block and a drive motor. A guide wheel is mounted at the top of theplastic guide rail. A cylindrical supporting boss is mounted at the bottom of the plastic guide rail. Two square grooves are fixedly formed in the outer portion of the cylindrical supporting boss. Theguide block is overall in an arc shape. A clamping groove cooperating with the cylindrical supporting boss is formed in the inner side of the guide block. A traction steel wire guide groove is formedin the outer side wall of the guide block. Inverted buckles are arranged at the two ends of the inner side of the guide block. The drive motor and a wire winding wheel driven by the drive motor to rotate are mounted in the middle of the plastic guide rail. The traction steel wire is wound in a spiral wire groove of the wire winding wheel, the top of the traction steel wire is wound around the guide wheel, and the bottom of the traction steel wire is wound around the guide block. A glass bracket is fixedly mounted on the traction steel wire, and glass is mounted on the glass bracket in a cooperation manner. According to the rope wheel type glass lifting device, the guide block is adopted for replacing a guide wheel structure at the middle lower end of a traditional guide rail structure, and the advantages that the integration degree is high, lightweight is achieved, the structure is simple, and assembly is easy are achieved.

The invention discloses an electric vehicle battery pack plug connector and a connecting method thereof. The electric vehicle battery pack plug connector comprises a cylindrical plug connector male end and a cylindrical plug connector female end; the plug connector female end is provided with a female end wiring terminal; the periphery of the female end wiring terminal is provided with a surrounding of outer ring; the internal wall of the outer ring is provided with an arc-shaped guiding groove; the external wall of the wiring terminal is provided with a large projection and a small projection; the plug connector male end is provided with a male end wiring terminal; the external wall of the male end wiring terminal is provided with a guiding protruding groove which is matched with the arc-shaped guiding groove; the male end wiring terminal is also provided with a large groove and a small groove; when the guiding groove rotates inside the arc-shaped guiding groove, the large projection is clamped inside the large groove, the small projection is clamped inside the small groove. The electric vehicle battery pack plug connector is applicable to requirements of a plurality of pins, is good in installation performance, leakproofness and intensity, has a shielding function, completely satisfies modern electric vehicle battery pack plug connector requirement and is practical, durable and reliable.

The invention relates to a PICC thrombolysis apparatus. The PICC thrombolysis apparatus comprises a tee coupling (1) and two fixation wings (2) arranged on the tee coupling for fixing the tee coupling to the body of a patient, the fixation wings (2) are desensitization adhesive tapes, a first port of the tee coupling (1) is connected with a medicine liquid needle tube (3), a second port of the tee coupling is connected with one end of a normally-closed butterfly valve (4), a third port of the tee coupling is connected with a PICC conduit (7), and the other end of the normally-closed butterfly valve (4) is connected with a negative pressure pump (5) for generating negative pressure. The PICC thrombolysis apparatus simplifies a thrombolysis method, saves manpower, also improves the success rate of thrombolysis, and reduces the infection rate and the cost of the patient.

The invention provides an intelligent junction box with an anti-drop terminal, and relates to the technical field of junction boxes. The intelligent junction box comprises a box body and a terminal; the terminal is arranged in the box body, one side of the terminal is provided with a stretching rotating shaft, one end of the stretching rotating shaft is provided with a rotating disc, one side of the rotating disc is provided with at least one straight rod in a surrounding manner, one end of the straight rod is rotatably provided with a first telescopic rod, one end of the first telescopic rod is provided with a shielding plate and a sliding folding rod in a staggered mode, the terminal is provided with at least one sliding groove and a shell, and the sliding folding rod is connected with the sliding groove; the terminal is provided with an empty groove and a threading port, a rotating rod is arranged in the empty groove, first ropes are arranged on the two sides of the rotating rod, a first moving rod is arranged at one end of each first rope, an arc-shaped disc is arranged on one side of each first moving rod, a mounting block is arranged at the bottom of each first moving rod, and a second rope is arranged on one side of each mounting block; and an elastic rope winding device is arranged on one side of the second rope. The device is reasonable in structure and good in using effect.

The invention provides a power jointing clamp, which comprises two insulating half clamp bodies hinged to each other, a metal framework fixedly disposed on the inner sides of the insulating half clampbodies, and a metal sleeve fixedly disposed on the rear side of the metal framework, wherein the insulating half clamp bodies comprise front clamp bodies integrally located on the front sides, middleconnecting parts, and rear clamping bodies on the rear sides; the connecting parts are movably hinged by a rotating shaft, and the front side of the metal framework is fixedly provided with a third metal sheet; first metal teeth are fixedly arranged on the inner side of the third metal sheet; the inner side of the metal framework is fixedly connected with a second metal sheet; the front side of the second metal sheet is fixedly provided with an arc-shaped metal sheet; the convex surface of the arc-shaped metal sheet is inward; second metal teeth are fixedly arranged on the arc-shaped metal sheet; and a spring is arranged between the first metal sheet and the second metal sheet. The power jointing clamp has the characteristics of simplicity and practicability and can quickly lap two cables.

The invention relates to the technical field of clamping devices, in particular to a clamp mounting piece adapted to a small clamping module automatically. The clamp mounting piece is used for the small clamping module, and comprises a clamping plate, a metal shaft, a mounting sleeve and a torsion spring, the clamping plate is rotationally connected with the mounting sleeve through the metal shaft, the torsion spring is arranged on the metal shaft and is used for resetting the clamping plate in a non-clamping state, and the mounting sleeve is arranged on a clamp of the small clamping module. The clamp mounting piece can be quickly and conveniently arranged on the clamp of the small clamping module, moreover, the clamping plate can rotate, the posture of the clamping plate can be automatically adjusted according to the shapes of clamped parts with different shapes, a better clamping effect can be achieved, and the problem at the present stage in the field is solved.

The invention discloses a waterproof socket and plug capable of being operated underwater. The waterproof socket comprises a plug, a row type socket matching the plug, and a wall socket matching the plug. The plug comprises a taper hole sealing nut, a silica gel taper plug, a junction box cover, a sealing silica gel ring, a junction box insertion fixing seat, a metal ground wire buckle, a conductive contact and a ground wire connecting insert. The silica gel conical plug is clamped in a conical hole sealing cap; the taper hole sealing cap is in threaded connection with one side of the junctionbox cover, the other side of the junction box cover is connected with the junction box insert fixing seat in a clamped mode, a sealing silica gel ring is arranged at the contact position of the junction box cover and the junction box insert fixing seat, and two conductive contacts are in threaded connection with the side, away from the junction box cover, of the junction box insert fixing seat. The waterproof socket and plug capable of being operated underwater have the advantages of being operated underwater, preventing misplug by children, being not easy to loosen when the wire socket and plug are pulled, preventing electric arcs from being generated and the like.

The present invention relates to the field of plug structures. The invention provides a plug with a switch. The plug comprises a plug body, a pin connected to the front end of the plug body and a conductive wire which is connected to the back end of the plug body. The plug body is also provided with a push switch which is connected to the pin and a conductive wire. An elastic insulation film coverage is arranged between the push switch and the plug body. The plug body is provided with a display lamp which is connected to the switch. According to the plug with a switch, the elastic insulation film coverage is arranged between the push switch and the plug body, the safety of the push switch is ensured, and the hidden dangers of electric leakage and electric shock are eliminated.

The invention discloses a safe and reliable hollow shaft industrial fan with a strong heat dissipation function. The safe and reliable hollow shaft industrial fan comprises a hanging frame assembly, ahollow shaft, a motor driving part, a plurality of fan blades, an anti-di sengagement central supporting rod; the hollow shaft is fixed to the bottom end of the hanging frame assembly, an up-down through channel is formed inside the hollow shaft, the motor driving part is arranged on the periphery of the hollow shaft, the plurality of fan blades are driven by the motor driving part to rotate, andthe anti-disengagement center supporting rod penetrates through the hollow shaft; a central tray capable of supporting the motor driving part is arranged at the bottom of the anti-disengagement central supporting rod, a plurality of hanging rings are arranged on the periphery of the hanging frame assembly and stably hung on a roof through first steel wire ropes penetrating through the hanging rings, and the upper portion of the anti-disengagement central supporting rod is hung on the roof through second steel wire ropes. The safe and reliable hollow shaft industrial fan is firm and reliable in connection, high in safety performance and good in heat dissipation effect.

The invention relates to a support device of a movable light fitting, comprising two pulley mounting plates arranged oppositely, a rotating shaft, a pulley and fasteners, as well as an anti-removing gaskets, wherein first gaps are arranged on the two pulley mounting plates, the rotating shaft is mounted between the two pulley mounting plates, the ends of the rotating shaft pass through the first gaps, the pulley is sleeved on the rotating shaft, each fastener is fastened at the end of the rotating shaft through the thread, and each anti-removing gasket is used for preventing the rotating shaft from removing from the first gap and is arranged between each pulley mounting plate and each fastener. The support device is provided with the anti-removing gaskets, and the first gaps are set in specific shapes, thereby the shapes of the ends of the rotating shaft are changed so that the ends of the rotating shaft are mutually acted and limited and can play the role of removal prevention.

The invention relates to a hasp and leather belt type water tank fixing structure for a road roller, which belongs to the technical field of traffic engineering machinery. The structure comprises a water tank (3), wherein at least two leather belts (2) are bound in the width direction of the water tank (3); and the two ends of each leather belt (2) are buckled by hasps (1). The leather belts are buckled and strained by the hasps, so that the leather belts are closely attached to the surface of the water tank to bind the water tank. Stretchable stainless steel hasps are adopted, when the road roller vibrates, the water tank also jumps, and the lengths of springs of the hasps are changed along with the jump at the moment, so that the leather belts are closely attached to the surface of the water tank all the time. In addition, the self-locking devices of the hasps can prevent breakaway, so that the hasps are always at locking positions during the continuous jump and cannot be automatically opened. In the aspect of dismantling, the hasps can be easily opened by lightly jacking the self-locking devices, so that the leather belts are loosened.

The invention provides a railway wagon as well as a brake cylinder installation system and bolts thereof, wherein the brake cylinder installation system comprises a brake cylinder, a brake cylinder lifting surface and a brake cylinder installation lug, wherein the brake cylinder lifting surface is fixedly connected with the brake cylinder; the brake cylinder installation lug is connected with the brake cylinder lifting surface through an installation assembly; the installation assembly comprises a disconnection-preventing liner plate, disconnection-preventing bolts, a fixed device and a baffle plate, wherein the disconnection-preventing liner plate is arranged below the brake cylinder lifting surface and is provided with a plurality of bolt slotted holes; the disconnection-preventing bolts are connected with the brake cylinder installation lug, the brake cylinder lifting surface and the disconnection-preventing liner plate, the bolt bodies of the disconnection-preventing bolts are provided with groove parts, and the groove parts are clamped in the bolt slotted holes in a penetrating way; the fixed device is tightly fixed below the disconnection-preventing bolts; and the baffle plate is positioned on the side edge of the disconnection-preventing liner plate. The invention ensures that the disconnection-preventing liner plate plays a disconnection-preventing role on the brake cylinder, enhances the reliability of a suspension part of the railway wagon and ensures the safety of railway transportation.

The invention discloses a special medical surgery integrated disinfection cabinet which comprises a cabinet. A group of support rods is detachably connected with the top of the cabinet, the tops of the support rods are detachably connected with a motor frame, a gear motor is detachably connected onto the bottom surface of the motor frame and is connected with a turntable rotary shaft positioned on the top of a hanging turntable, the turntable rotary frame is in running fit with the cabinet via a sealing bearing, hanging bolts are uniformly distributed on the bottom surface of the hanging turntable, a group of disinfectant grooves is uniformly formed in the inner bottom surface of the cabinet, a group of ozone generators is uniformly distributed on the inner bottom surface of the cabinet, a group of heater seats is further uniformly distributed on the inner bottom surface of the cabinet, a plurality of ultraviolet lamps are uniformly distributed inside the cabinet, and a terminal block is arranged at the bottom of the cabinet. The special medical surgery integrated disinfection cabinet has the advantages that the special medical surgery integrated disinfection cabinet is simple in structure and convenient to operate, articles such as instruments and ice bags can be hung and arranged on the special medical surgery integrated disinfection cabinet and can be irradiated by ultraviolet light without dead spaces, accordingly, the purpose of comprehensively disinfecting the articles can be assuredly achieved, and excellent disinfection effects can be realized.

The invention relates to a passenger car tire burst emergency safety device. Multiple sections of steel belts are assembled in a rim groove, and are connected in series into a whole through fixed typelocking blocks; the two ends of the series connection steel belts are connected to form an annular belt by a regulation locking mechanism; a plurality of retaining unit assemblies are uniformly distributed on the annular belt. The annular belt is arranged in the rim groove; the general requirements of different rims being 14 to 21 inches are met; the centrifugal force of the wheel rolling is utilized; the problem of lack of the passenger car tire burst emergency safety device is solved at lowest cost and cost-optimal oil consumption by a fast dismounting and mounting process; the requirementof the passenger car market on the anti-burst emergency safety device is met; the vehicle running economical performance is improved; the safety problem after tire burst is solved. An original dismounting and mounting scheme is not changed; simplicity, convenience and high speed are realized; the concept without using a special tool for dismounting and mounting is realized; light weight is realized; compared with an introduced product, the passenger car tire burst emergency safety device has the advantages that the weight is reduced by 60 percent; the oil consumption is reduced; the cost is only 20 to 30 percent of that of similar products.

The invention relates to the technical field of plastic turnover boxes, and discloses a side face rotating door-opening folding box and a use method thereof. The technical problem that currently, whenheavy objects and the like with the large weight are taken at the small door position of a turnover box, taking is inconvenient is solved. The side face rotating door-opening folding box comprises abase and one or more side plates arranged on the base, the one or more side plates are rotationally mounted on the adjacent side plates, a rotating shaft is arranged in the height direction of the side plates, the side plates are rotationally opened to form side goods taking openings, hinge assemblies are arranged between the rotationally-arranged side plates and the adjacent side plates for rotating connection. According to the technical scheme, the side plates of the folding box are arranged to be capable of being opened laterally, thus products at the bottom of the turnover box or the heavyobjects in the turnover box can be taken conveniently and fast, and accordingly the purpose of conveniently using the turnover box is achieved.

The invention provides a transverse stopper with higher stability, a wear-resisting plate of the transverse backstop is provided with a boss made of the same material as the wear-resisting plate, the boss and the wear-resisting plate are integrated, and the boss extends into a rubber part and is integrally formed with the rubber part of the transverse backstop through vulcanization, therefore, the contact area between the wear-resisting plate and the rubber part is increased. The bottom plate is further improved, and a rotation stopping step is arranged on or below the bottom plate, so that the bolt or the nut is prevented from rotating, and the fastener is prevented from loosening. Under the condition that the performance of the rubber backstop is not affected, the structures of the wear-resisting plate and the bottom plate of the rubber backstop are improved, the problems that the wear-resisting plate is prone to falling off, and the bottom plate fastener is prone to loosening are solved, and the using stability of the transverse backstop in the actual working condition is improved.

The invention discloses a baffle plate structure and a power supply device comprising the same. The baffle plate structure comprises a fixed seat and a baffle plate, wherein a blocked object is arranged at one end of the fixed seat, the baffle plate is in sliding linkage with the fixed seat, guide convex strips are arranged at the fixed seat, guide grooves are formed in the baffle plate, reset springs are arranged at the other end, far away from the blocked object, of the fixed seat, a locking button and a locking spring are further arranged on an adjacent surface of the fixed seat and the baffle plate, a locking sliding groove is formed in the baffle plate and is matched with the locking button, the locking sliding groove comprises a locking position and a closing position, the blocked object is in an exposure state when the baffle plate moves towards the other end far away from the blocked object and is in a locking state, the baffle plate is unlocked when the locking button is pressed, reset forces of the reset springs act on the baffle plate, and the baffle plate moves towards one end near to the blocked object so as to block the blocked object. Locking is achieved by the locking button, and switching between the locking state and the closing state of the baffle plate is achieved; and when the blocked object is needed to be used, a user can move the baffle plate to a locking position, and the baffle plate structure is simple and convenient to operate.

The invention discloses a steel laser 3D printing active face steel-rubber composite powder scraping cutter, which comprises an rubber scraper and an active face steel bar scraper, wherein the activeface steel bar scraper is fixedly connected to the rear side of the rubber scraper. The rubber scraper is a main powder scraping cutter to avoid micro bulges on a printing surface in a laser 3D printing process. The active face steel bar scraper is an auxiliary cutter to plane local ultrahigh bulges printed on each layer and avoid the bulges from continuously deteriorating. The rubber can be usedindependently.

The invention discloses an anti-drop structure of a gear motor. The anti-drop structure comprises a shell, a rear cover connected with the shell, a second-level straight gear ring connected with the inner wall of the shell, a first-level oblique gear ring meshed with the second-level straight gear ring, an output planetary carrier arranged in the shell, and an axis check ring connected with the output planetary carrier, wherein the axis check ring is arranged outside the output planetary carrier and is arranged in the shell. In the anti-drop structure of the gear motor, the output planetary carrier and the shell are connected through the axis check ring, so that external axis force received by the output planetary carrier is controlled effectively, an anti-drop effect is achieved, and theexternal axis force is prevented from damaging the output planetary carrier.

The invention discloses a folded type paddy cultivator tooth embedding type clutch provided with an anti-disengaging structure. The folded type paddy cultivator tooth embedding type clutch provided with the anti-disengaging structure is arranged on a folded type paddy cultivator; an output shaft of a central speed changing box is connected with an input shaft of an edge speed changing box in a first bearing pipe through the tooth embedding type clutch; the tooth embedding type clutch comprises a first half clutch body fixedly connected to the end portion of the output shaft of the central speed changing box in a sleeved manner, and a second half clutch body in sliding connection with the end portion of the input shaft of the edge speed changing box in a sleeved manner; and first teeth on the end face of the first half clutch body and second teeth on the end face of the second half clutch body are both trapezoidal teeth which become wider while being away from the end faces. According to the further improvement, the end, away from the second teeth, of the second half clutch body is provided with a second compression spring for pressing the second half clutch body to the first half clutch body in the axial direction. When the folded type paddy cultivator performs cultivation, it can be effectively guaranteed that the tooth embedding type clutch is free of disengagement, and normal use of the folded type paddy cultivator is guaranteed.