478results about How to "Limit position" patented technology

The invention relates to a robot applied to industrial manufacture and the related technical fields, in particular to a four-axis swing-arm articulated robot. The four-axis swing-arm articulated robot comprises a serial machine structure composed of a base component, a biaxial component, a triaxial component and a four-axis component used for picking and placing workpieces, the biaxial component is fixed on the base component vertically, the base component drives the biaxial component to rotate axially, the triaxial component is arranged horizontally with one end slidably connected to the biaxial component, the triaxial component can move on the biaxial component vertically, the four-axis component is arranged horizontally as well with one end rotationally connected to one end, away from the biaxial component, of the triaxial component, and the position, around the joint of the four-axis component and the triaxial component, of the four-axis component is in axial horizontal rotation. By the four-axis swing-arm articulated robot, the problems that conventional four-axis robots are low in safety factor during working, communication lines between axes are damaged easily and the robots cannot work normally in narrow working places and are unsuitable for popularization during production operation on assembly lines for low-price products due to high cost are solved.

The invention discloses a pressure-distributed sensor, and an intelligent sickbed monitoring system and an intelligent sickbed monitoring method. In terms of a long-term bedridden patient, terminals such as a mobile phone, a tablet personal computer, and so on could help the patient to finish a series of movements of rising back, turning over, pumping legs, and to prompt the patient to turn over according to the data obtained by the pressure-distributed sensor so as to prevent the generation of chronic pressure sores, and use a camera to monitor the state of the patient. The system is composed of power-driven sickbeds, Arduino, an inertial sensor, the pressure-distributed sensor, a Raspberry Pi, the camera, a server and a Web end. The inertial sensor could obtain the posture angle of the sickbed and transmit the angle data to the Raspberry Pi to achieve the feedback control of a linear motor. The Raspberry Pi is used as data terminal of the single intelligent sickbed while the server is used as a data control terminal of a plurality of intelligent sickbeds and could be used for monitoring the sickbeds via the Web end and monitoring the physiological status of the patient and the states of the intelligent sickbeds.

The invention provides a rebounding device for furniture. The rebounding device for the furniture comprises a shell, a cover body, a sliding part, a spring installation column and a spring, wherein the sliding part is slidably installed in the shell and the cover body, and the spring installation column and the spring are connected with the sliding part. A clamping hook is rotatably installed on the shell. A sliding rod in the clamping hook can be slidably installed in a closed-loop sliding groove in the side wall of the sliding part. A front clamping position, a front sliding-in guide face, a front sliding-out guide face, a rear clamping position, a rear sliding-in guide face and a rear sliding-out guide face are arranged in the closed-loop sliding groove. The sliding path of the sliding rod can be guided, and the sliding rod can also be connected with the front clamping position and the rear clamping position in a clamped mode, so that the sliding part is fixed to different positions. The overall structure is simple and novel, and using is more reliable; by the adoption of the scheme, complex connection ways based on screws and the like are not needed, installation is easier and more convenient, and the production efficiency is improved; and in addition, through the stainless steel shell, the corrosion resistance of the rebounding device can be greatly improved, the rebounding device can better meet different severe environment requirements, the appearance is easy to clean, the mechanical strength is high, and the service life of the rebounding device can be prolonged.

The invention provides a deep ultraviolet light emitting diode package structure. The deep ultraviolet light emitting diode package structure comprises an insulating substrate, a light emitting diodechip, a soldering pad and a light transmissive component; wherein a groove is formed on the edge of the insulating substrate; the bottom end of the light transmissive component is bonded in the groove, and the light transmissive component and the insulating substrate together form a closed accommodating space; the light emitting diode chip and the soldering pad are located in the accommodating space; the soldering pad is disposed on the insulating substrate; and the light emitting diode chip is electrically connected to the soldering pad. The package structure provided by the invention binds the light transmissive component to the groove formed on the insulating substrate, so that the bonding material is not directly exposed to the deep ultraviolet light; therefore, the performance degradation of the bonding material is avoided, the sealing performance of the packaging structure is ensured, the shear resistance of the packaging structure is improved, and the service life of the packaging structure is prolonged.

The invention relates to the technical field of camera-shooting auxiliary equipment, in particular to a multi-purpose supporting frame. The multi-purpose supporting frame comprises a main body, a spherical base arranged at the upper part of the main body and a flat-bottom platform; the spherical base is in the spherical inwards-concave shape; the opening of the spherical base faces upwards; the spherical base comprises a matching component fixedly connected with a spherical bottom holder; one side surface of the flat-bottom platform is detachably fixedly arranged at the opening of the spherical base through the matching component; and a connecting part fixedly connected with the flat-bottom platform is arranged on the other side surface of the flat-bottom platform. The invention further relates to a supporting frame assembly. The supporting frame assembly comprises the multi-purpose supporting frame and a flat-bottom holder fixedly connected with the connecting part of the flat-bottomplatform or a spherical-bottom holder fixedly arranged in the spherical base with the flat-bottom platform removed; and the spherical-bottom holder is detachably fixedly connected with the matching component of the spherical base. Both the multi-purpose supporting frame and the supporting frame assembly are applicable to the flat-bottom holder or the spherical-bottom holder and are good in universality.

The invention relates to the technical field of test tube washing equipment and discloses a test tube washing device for a chemical laboratory. The test tube washing device comprises a washing water tank. The top of the washing water tank is fixedly provided with a drive tank. The top of the drive tank is fixedly provided with a drive motor. The outer side of the washing water tank fixedly communicates with a water conveying capillary tube. An inner cavity of the washing water tank is rotationally connected with a water conveying cylinder. The bottom of the water conveying cylinder fixedly communicates with washing tubes. The bottom ends of the washing tubes penetrate and extend into the bottom of the washing water tank. According to the test tube washing device for the chemical laboratory, by arranging an adjusting gear and rotating an adjusting handle, the height of the washing tubes can be adjusted to be inserted into test tubes, by cooperating with washing holes, clean water can flow into the multiple test tubes at the same time, the problems that according to an existing test tube washing device for the chemical laboratory, after chemical experiments are completed, it needs toadd water to the used test tubes to wash the used test tubes one by one, the washing process is tedious, the labor intensity is large, and the washing efficiency is low are solved, and the washing efficiency is effectively improved.

The invention relates to a turbocharger and a working method thereof. The turbocharger comprises a volute arranged in a turbine casing body and a jet nozzle ring assembly which is fixed in the volute and sleeve on the periphery of an impeller of a turbine; the jet nozzle ring assembly comprises a jet nozzle ring, a plurality of long jet-nozzle blades distributed on the outer side face of the jet nozzle ring, a chute arranged between every two adjacent long jet-nozzle blades, short movable blades arranged in the chutes, linked rings concentrically arranged at the inner side surface of the jet nozzle ring, chute holes which are distributed on the linked rings and correspond to the corresponding chutes, a plurality of arc-shaped guide grooves which are distributed on the linked rings and are arranged concentrically to the linked rings, and a straight bolt arranged on the inner side surface of the jet nozzle ring; and a crank in transmission connection with a driving mechanism is arranged on an intermediate shell of the turbine and is connected with a pin hole in the linked rings through a crank shifting fork so as to drive the linked rings to rotate along a center and make the short movable blades displace in a linear reciprocating manner along a jet-nozzle airflow direction, and thus, the cross section of a jet nozzle is further controlled.

The invention relates to a crushing and recovering device and in particular relates to a plastic bag crushing and recovering device. The invention provides the plastic bag crushing and recovering device. In order to solve the technical problem, the invention provides the plastic bag crushing and recovering device which comprises an iron crushing box, an electromagnet, a screen plate and a crushingcutter and the like. A "-"-shaped hole is formed in the top of the iron crushing box; the screen plate is rotatably connected to the bottom of the right side of the crushing box; the left end of thescreen plate is connected to the electromagnet; the right end of the screen plate is connected to a handle; a top plate is arranged above the iron crushing box; and a first slide rail and a linking device are arranged in the bottom of the top plate. The device provided by the invention achieves the effects of high plastic bag crushing efficiency, resource conservation and recycling and environmental protection, can limit the position of the screen plate to prevent the screen plate from swinging excessively to leak the crushed plastics, and further stir and mix the plastic bags in the crushingbox to more finely and uniformly crushing the plastic bags so as to prevent the plastic bags are left on the screen plate.

The invention belongs to the field of retarders, and specifically relates to a freight train self-storage energy retarder. The problem that energy released during deceleration of an existing train isnot recovered is aimed at. The invention discloses the freight train self-storage energy retarder. The technical scheme is that the freight train self-storage energy retarder comprises a top (1), a top seat (4), and a fixing device and further comprises a ball screw (2) and a power generating and storing device, the ball screw (2) is provided with a nut (5) in a matching mode, the top (1) is fixedly connected with the nut (5), a spring (7) sleeves the ball screw (2), the spring (7) is located between the nut (5) and the fixing device, the power generating and storing device comprises a generator (23) and an energy storage device, the fixing device and the top seat (4) are connected, the lower end of the ball screw (2) is rotatably connected with the fixing device, and the lower end of theball screw (2) is connected with a rotating shaft of the generator (23). The freight train self-storage energy retarder is suitable for decelerating trains.

The invention discloses an adjustable and movable computer cabinet for big data. The adjustable and movable computer cabinet for big data comprises a cabinet body which is a hollow structure, the sidewall of the cabinet body is provided with a switch mechanism, the side wall of the lower end of the cabinet body is provided with two grooves, the bottom walls of the grooves are fixedly connected with servo motors, and first threaded rods matched with the output shafts of the servo motors are rotationally connected to the inner wall of the upper end of the cabinet body; a plurality of trays aretransversely arranged in the cabinet body; two through holes are formed at the side walls of the trays; and the two first threaded rods respectively penetrate the two through holes. According to the invention, the clamping rods in the trays required to move are clamped into the clamping grooves, so that when the servo motors drive the first threaded rods to rotate, the nuts drive the trays to liftalong the first threaded rods under the limitation of the clamping rods; the structure is simple, and the adjustment is convenient; and the position of a transmission line can be limited by using theupper semicircular ring, the lower semicircular ring and the extension spring, so that the arrangement and the maintenance are convenient.

The invention discloses a wooden chopping board cleaning device based on power brushing and sterilization by external force, and relates to the technical field of chopping boards. The wooden choppingboard cleaning device based on power brushing and sterilization by external force comprises a device body, an inlet is formed in the top of the device body, and the inlet is communicated with an innercavity of the device body; a liquid storing mechanism is fixedly installed on the top of the back side of the device body, a flow dividing pipe is fixedlyconnected with the top of the back side of the inner wall of the device body, and a spraying head is fixedlyconnected with the front surface of the flow diving pipe and communicated with an inner cavity of the flow dividing pipe; a baffle plateis arranged under the spraying head. According to the wooden chopping board cleaning device based on power brushing and sterilization by external force, by arranging the liquid storing mechanism, a resident can conveniently clean a chopping board by using cool and hot water, the chopping board can be closely clamped through a placing mechanism and a lifting linkage mechanism, a rotary motor drivesbristles to brush the chopping board, and the problem that food residues remaining on an existing wooden chopping board cannot be fully removed through flushing is effectively solved.

The invention discloses vehicle-mounted communication equipment. The vehicle-mounted communication equipment comprises a shell, wherein a fixed seat is arranged at the bottom of the shell; first sliding frames are arranged on both sides of the bottom of the fixed seat; first slide blocks are arranged inside the first sliding frames; the first slide blocks are matched with the first sliding frames;a rotating block is arranged in the middle of the bottom of the fixed seat; second sliding frames are arranged at the bottoms of the first sliding frames; second slide blocks are arranged inside thesecond sliding frames; and the second slide blocks are matched with the second sliding frames. The invention relates to the technical field of communication. The vehicle-mounted communication equipment has efficient buffering performance; the problem of damage to the communication equipment caused by vibration is solved; the service life of the communication equipment is prolonged; the maintenanceand replacement frequency of the communication equipment is lowered; and the working efficiency of the communication equipment is increased. Meanwhile, the communication equipment is convenient to mount and detach, can be detached and mounted rapidly without carrying any specific tool, and meets the requirement of a user on a usage effect.

The invention discloses a wind turbine blade overturning vehicle. The wind turbine blade overturning vehicle comprises a vehicle frame and an overturning device mounted on the vehicle frame; the overturning device comprises a rolling ring, and further comprises a first clamp and a second clamp which are mounted on the rolling ring and face oppositely; a clamping area for wind turbine blades is formed between the first clamp and the second clamp; the first clamp is connected with the rolling ring through two position adjusting mechanisms, and a position adjusting guiding mechanism is arranged between the two position adjusting mechanisms; the position adjusting guiding mechanism comprises a guiding groove formed in the first clamp and an adjusting bearing mounted in the guiding groove; andthe guiding groove and the position adjusting mechanisms are consistent in direction, the outer diameter of the adjusting bearing is consistent with the width of the guiding groove, and the adjustingbearing is fixedly mounted on the rolling ring through bolts. The wind turbine blade overturning vehicle is simple in structure, safe and reliable, it can be ensured that the molded surfaces of the blades are better attached to the clamps and the shape following property is good, and scraping damage of the clamps to the blades in the machining process is reduced.

The invention provides a steel plate grinding device and relates to the field of metal processing equipment. The steel plate grinding device comprises a storing plate. A storing frame is fixedly mounted at the upper end of the storing plate, and a grinding mechanism is arranged on the storing frame and comprises sliding grooves which are located in the two sides of the upper end of the storing frame. Inner cavities of the sliding grooves are slidably connected with sliding blocks. Through matched arrangement of the storing plate, the storing frame, the grinding mechanism, a longitudinal-movingmechanism, a transverse plate fixing mechanism, a longitudinal-fixing mechanism, an extruding plate, an insert hole, a spring, an insert rod and a metal strip, a grinding steel plate on the storing plate can be effectively fixed by the steel plate grinding device in the up-down and left-right directions, the steel plate is effectively ground through a grinding disc capable of changing the orientation, the problems such as poor using effect caused by the uneven steel plate are avoided, and the problem that in the grinding process of the plate, the plate often skews to a certain extent due to pushing of the grinding device, and consequently the grinding effect is influenced is solved.

The invention discloses a card lock. The problem that locks good in anti-theft function are not universal in the prior art is solved. The card lock comprises a lock body. The lock body comprises a lock inner container, a lock cylinder, locking pieces and a shifting piece, and the lock cylinder is arranged inside the lock inner container and provided with the shifting piece rotating along with the lock cylinder; the lock cylinder is sleeved with the locking pieces, so that the locking pieces and the lock cylinder rotate jointly; each locking piece is provided with an auxiliary key arm and a main key arm which extend towards the two sides of the locking piece to form lock inner container clamping pieces; a gap is reserved between the main key arm and the auxiliary key arm of each locking piece; the main key arms are elastic, so that the main key arms get close to the corresponding auxiliary key arms under action of external force; the main key arms are connected with key clamping pieces; the lock inner container is internally provided with lock inner container clamping grooves corresponding to the lock inner container clamping pieces in position; the lock cylinder sleeved with the locking pieces is arranged inside the lock inner container; the lock inner container clamping pieces of the main key arms of the locking pieces are clamped into the corresponding lock inner container clamping grooves. By means of the technical scheme, the problems in the prior art can be solved well.

A spring type speed limiter tensioning device constant in tensioning force comprises a base, a guiding assembly fixed to the base, and a tensioning wheel assembly. The tensioning wheel assembly comprises a tensioning wheel, a rope wheel installing base and a main compression spring assembly, and is characterized in that the parts, located on the two sides of the rope wheel installing base, of the base are symmetrically provided with two auxiliary compression spring assemblies; each auxiliary compression spring assembly comprises an auxiliary compression spring and an adjusting mechanism used for adjusting the stress direction and degree of the auxiliary compression spring during stretching of a steel wire rope; the two auxiliary compression spring assemblies are connected with the two sides of the rope wheel installing base correspondingly for compensating for the tensioning force, attenuated in the vertical direction, of the main compression spring assembly along with stretching of the steel wire rope. The spring type speed limiter tensioning device constant in tensioning force can compensate for tensioning force attenuation in the steel wire rope stretching range.