193results about How to "Convenient location change" patented technology

A flexible apparatus for locating and clamping a thin-wall workpiece with 3D shaped surface at multiple points is composed of two rectangular frames linked by scrwe bolts and with the regulating screws on their four sides, 4 lines X6 columns elastic sleeve tubes arranged uniformly on the netted structure in said frame and two barrier plates parallel in said frames and with regulating screws, locating pins and 4 locking tensional plates.

The invention discloses a composite forming device of molten coating added and decreased materials. The composite forming device comprises a coating added material forming part and a decreased material machining part arranged on the same one motion platform; the coating added material forming part includes an atmosphere protecting device; the atmosphere protecting device is connected with the top of a smelting device; a coating head and a laser are arranged at the bottom of the smelting device; a coating forming platform is arranged below the laser and the coating head; the decreased material part includes a main shaft; a cutter clamping device is arranged at the bottom of the main shaft; the main shaft drives the cutter clamping device to rotate; and the main shaft is connected with a cooling unit. The added material manufacturing and the decreased material manufacturing are combined; and after the coating added material forming is performed, the decreased material machining is used, the workpiece precision is improved, and the workpiece machining speed is accelerated.

The invention relates to a novel multi-functional medical stretcher vehicle. The stretcher vehicle consists of a rolling table top 1, a table top supporting lifting system 2, a rotary bearing base plate 3, a rotary connecting drive structure 4 and a base plate system 5. By the stretcher vehicle, the height of the table top is automatically adjusted, the table top or the base plate is automatically rotated, and the length of the base plate is changed by automatically stretching and contracting the table top, so that the stretcher vehicle can enter a sickroom with a narrow space and a narrow clearance among sickbeds, can have the height consistent with that of the surface of the sickbed, an operating table top, a cart table top and an inspection table top and is parallelly close to the sickbed, an operating table, a cart table and an inspection table; through automatic rolling of the table top, a patient can be moved horizontally, so that the patient can be respectively moved transitionally from the stretcher vehicle to the sickbed, the inspection table, a stretcher vehicle and the operating table; therefore, labor intensity of medical staff is reduced, manpower and time are saved, dignity of the patient is maintained, patient pains are reduced, complication due to carrying is avoided, and the technological level and quality of the modern medical nursing service are improved.

A housing (HG) for a backlight unit (49) includes a bottom section (22), a wall section (23) and a side section (VP), and the side section (VP) is at least a part of a first groove (DH1) which sandwiches a mounting substrate (11).

The invention relates to a desk, in particular to a desk convenient for correcting sitting posture and preventing myopia. The technical problem is to provide the desk convenient for correcting the sitting posture and preventing myopia, which can assist a student in correcting the sitting posture and preventing myopia. According to the technical scheme, the desk convenient for correcting the sitting posture and preventing myopia comprises supports, stabilizing frames, mounting fences, second fixing nuts, a desk plate and placing tables; the mounting fences are symmetrically arranged at the bottom of the desk plate; the stabilizing frames are slidably arranged on the mounting fences; the placing tables are symmetrically arranged on one side of the desk plate; and the second fixing nuts are arranged on the upper sides of the stabilizing frames in a threaded mode; and the second fixing nuts are matched with the adjacent mounting fences, and the supports are arranged on one side of the stabilizing frames in a sliding mode. Books and stationery to be used can be placed through the arranged storage assembly; and the arranged correcting assembly can assist a user, so that the sitting posture of the user is correct.

The invention provides a buffer device and a folding table.The buffer device is simple in structure, wherein the manufacture is easy and inexpensive, and the small-sized lightweight is realized. Meanwhile, the waste treatment is performed.The folding and unfolding operation of the folding table is performed by the buffer device.The folding table is easy in structure, wherein the manufacture is easy and inexpensive, the small-sized lightweight is realized and the design is improved while ensuring the operation to be smooth and safe.A telescopic action member can be movably accommodated in the main body of the buffer device. One end of the action member is connected to a load part.The load part can be displaced.when the load part is displaced, the movement of the action member can be braked or buffered.A movable body accommodated inside the main body can move along the axial direction thereof and the action member is movably accommodated inside the movable body.A retainer of a tapered portion is arranged at the circumferential surface of the movable body.When the action member is moved, the tapered portion is detachably inserted between a clamp part arranged inside the main body and the circumferential surface of the action member.

The invention discloses an up-and-down conveying device for metal circular plates with different thicknesses, which comprises a support frame, a driving device and a connecting device, wherein the driving device is rotatably mounted in the center of the top surface of the edge of one end of the support frame, the connecting device is movably mounted on the top surface of the driving device, a baseis fixedly mounted in the support frame, tooth-shaped clamping blocks are welded to the edge of the upper surface of the boss, supporting rods are symmetrically welded to the outer surface of the base, a first limiting sleeve is welded to the outer surface of the second limiting sleeve, a rotary disc is fixedly installed in the driving device, a driving motor is movably installed in the center ofthe bottom face of the rotary disc, and a connecting groove is formed in the center edge of the top surface of the rotary disc. through intermittent meshed clamping of a gear disc and the tooth-shaped clamping blocks, a limiting clamping block can discontinuously drive one end of a connecting rod to move in a limiting sliding groove, and the position of a production machine at the other end of the connecting rod can be automatically adjusted.

The invention relates to a casting blank positioning control system for a continuous casting machine. The casting blank positioning control system comprises infrared cameras (4), a special picture processing machine (1), a relay tank (2) and a blank discharging PLC (3) which are sequentially electrically connected, wherein the infrared cameras (4) are arranged outside inlets and outlets of blank discharging roller ways (5), and the blank discharging PLC (3) can be used for controlling the starting and stopping of the blank discharging roller ways (5). A control method comprises the following steps: (a) collecting a casting blank image by virtue of the infrared cameras (4); (b) analyzing the image by virtue of an image analysis module; (c) carrying out image digitization and anti-interference treatment by virtue of an image digitization and anti-interference treatment module; (d) inputting a limiting signal into the blank discharging PLC (3) by a signal limiting module through the relaytank (2); and (e) controlling the starting and stopping of different blank discharging roller ways (5) by virtue of the blank discharging PLC (3). The system can be applied to high-temperature severeenvironments and is long in service life, and the positioning is accurate; and by utilizing multi-point limiting monitoring manner, the system can meet the production requirements, the labor intensity can be relieved, and the production cost can be lowered.

The invention discloses a bed for forcing control over psychotic patients. The bed includes a bed plate, one side of the upper surface of the bed plate is provided with a first sliding groove, the other side of the upper surface of the bed plate is provided with a second sliding groove, the inside of the first sliding groove is connected with a first slider in a sliding mode, the surface oft he first slider is provided with a connecting belt and a first fastening bolt, the first fastening bolt is in threaded connection with the first slider, the first fastening bolt penetrates through the first slider to make contact with the bottom of the first sliding groove, the connecting belt is connected with one end of a restraint belt, the restraint belt is provided with an adjusting buckle, the other end of the restraint belt is provided with a spindle-shaped buckle head, the inside of the second sliding groove is connected with a second slider in a sliding mode, the first slider is in sliding connection with the first sliding groove, the second slider is in sliding connection with the second sliding groove, the position of the restraint belt is easy to change, and the practicability is high; the adjusting buckle can conveniently adjust the length of the restraint belt, the use is convenient, the spindle-shaped buckle head and a spindle-shaped buckle ring are cooperated in use, the restraint belt is rapidly fixed, and the work efficiency is improved.

The invention discloses a detecting system of absorbance. The detecting system comprises a supporting mechanism, a light source mechanism, an imaging mechanism and a processor, wherein the supporting mechanism is provided with at least two light outlets and one or more light inlets, at least two mounting cavities and one or more reference cavities are formed in the supporting mechanism, one ends of the mounting cavities and one ends of the reference cavities communicate with the light inlets separately, and the other ends of the mounting cavities and the other ends of the reference cavities are in one-to-one correspondence with the light outlets and communicate with the light outlets; a light transmitting container is inserted in each of the mounting cavities; the light source mechanism is used for supplying light sources with needed colors for the inner parts of the mounting cavities and the inner parts of the reference cavities through the light inlets separately; through the light outlets, the imaging mechanism is used for photographing images of a solution to be detected illuminated by the light sources and the reference cavities which are illuminated by the light sources; the processer acquires image information according to the imaging mechanism to obtain an absorbance value of the solution to be detected in each mounting cavity. Through the adoption of the detecting system, the reference cavities do not accommodate any solution to perform a blank test, and the absorbance value of the detected solution can be obtained by performing measurement only once, so that the absorbance of the solution is rapidly measured.

The present invention provides a jaw crusher wherein a teak plate is mounted on the side wall plates of a crusher frame with mounting bolts. The mounting bolts near the outlet of the jaw crusher are formed to be shielded by swing jaws when link mechanisms for adjusting an outlet clearance are adjusted. Since the mounting bolts are covered by the swing jaws while the jaw crusher is operating, a raw material does not touch them, and the mounting bolts can be prevented from being worn or damaged. Accordingly, an increase in the life of the jaw crusher can be promoted. Furthermore, since the mounting bolts can be prevented from being worn or damaged, the mounting structure of the teak plate can be further strengthened.

The invention discloses a chemical processing waste gas purification tower comprising a tank body, an air inlet is fixedly formed in the lower part of the outer surface of the tank body; an air outletis fixedly formed in the outer surface of the upper end of the tank body; a vertical filter screen is fixedly installed on the lower portion of the inner side of the tank body, a falling groove is fixedly formed in the position, close to one side of the air inlet, of the lower end of the inner side of the tank body, a partition plate is fixedly connected to the outer surface of the upper end of the filter screen, and an air inlet pipeline is fixedly installed at the position, away from the air inlet, of the lower portion of the tank body. According to the chemical processing waste gas purification tower, waste gas can be subjected to multi-layer filtration, granular solids in flue gas are fully filtered out, solid waste is easy to concentrate and convenient to clean, the water tank is purified, the waste gas makes full contact with a purifying agent, the contact time is prolonged, and the waste gas purification effect is improved.

The invention discloses a method and a device for performing impact-spraying on a inner-hole wall based on a laser impact wave technology, and relates to the field of component processing and re-manufacturing. The method comprises the following steps: feeding metal material powder in a hopper into a crucible to be heated and melted to obtain molten metal; then, irradiating intense laser on the liquid surface of the molten liquid, wherein partial substances on the surface of the liquid surface absorb laser energy to be momentarily gasified and ionized on the liquid surface so as to generate high-pressure plasmas, upwards ultrahigh impact force is momentarily applied to the molten metal by the high-pressure plasmas to enable the molten liquid to generate explosive sputtering, the sputtering molten drops are atomized into smaller particles while encountering resistance during flying in air, the smaller particles dash against the inner hole wall of a workpiece at high speed and are quickly condensed on the hole wall to form a compact coating. The device realizing the method comprises a laser generator, a light guide system, a powder feeding system, a workpiece clamp system and a control system. The device has the characteristics of ultrahigh spraying pressure, ultrahigh particle sputtering speed, good coating quality, high efficiency and the like.

A multifunctional electric oven is equipped so that it is easy to change the placement of food and to utilize different heating methods, with high heating efficiency, energy saving and convenient to operation. The multifunctional electric oven comprises a main body assembly, an electric control assembly, an upper acting door, and a side acting door. The electric assembly is located on the main body assembly. The upper acting door and the side acting door are located separately at the top and front of the main body assembly. When the two doors are closed they and the main body assembly together form a closed heating cavity with a heating tube inside. The heating tube can be rotated so as to be placed in a flat position or an upright position. The upper acting door and the side acting door can be opened or closed individually or jointly, to achieve different cooking functional modes.

The invention discloses an unloading device for blank processing and relates to the technical field of tubular product blank unloading. The unloading device comprises a base, wherein a first bracket and a second bracket are fixedly connected to the top surface of the base, separately, and two connecting rods are fixedly connected between opposite surfaces of the first bracket and the second bracket. The unloading device also comprises a material moving assembly. The first bracket and one surfaces of the connecting rods are fixedly connected to the material moving assembly. The material movingassembly comprises a material carrying box, wherein a peripheral surface of the material carrying box is fixedly connected to the first bracket and the connecting rods, separately, rotating shafts arerotatably connected among the inner surfaces of the material carrying box, and the peripheral surfaces of the rotating shafts are fixedly connected to material carrying rollers. By designing an electric push rod, it is convenient to change the angle and position of a material receiving platform, so that it is convenient that the material receiving platform is in abut joint to an unloading platform quickly. By designing the material moving assembly, on the one hand, pipefittings can be unloaded orderly and on the other hand, the unloading speed of the pipefittings can be buffered effectively,so that the pipefitting unloading safety is further guaranteed.

The invention provides a novel breastbone saw. The novel breastbone saw comprises a saw body and a pistol grip, a pull motor is arranged in the saw body, a saw blade clip is arranged at the left end of the saw body, a saw blade is arranged on the saw blade clip which is connected with the pull motor through a transmission device, a rear damping pad is arranged at the rear end of the pull motor, the rear damping pad is arranged between the pull motor and the right end face of the saw body, an auxiliary rotating shaft is arranged between the pull motor and the saw blade clip, the auxiliary rotating shaft is installed on the pull motor through a pin, the pistol grip is provided with a push switch, and the pull motor is controlled through the push switch to work. The rear damping pad is additionally installed on the back of the pull motor, so that the breastbone saw is prevented from shaking when working, and safety accidents caused by shaking of the breastbone saw in the working process are avoided; the auxiliary rotating shaft is arranged, so that rotation of the saw blade is facilitated, and a hand drill does not need to be rotated manually; an adjusting bolt is arranged, the position of the saw blade is convenient to change, and working efficiency is improved.

The invention relates to a pitch carbon fiber precursor spinning device which comprises a main rack, wherein the main rack is provided with an extrusion component for stirring a fusant, wherein the output end of the extrusion component is provided with a spinning component and a metering pump; the pitch carbon fiber precursor spinning device also comprises a winding head component for winding filaments into filament rolls and an electric control cabinet. The pitch carbon fiber precursor spinning device is simple in structure and convenient to use; by use of an internal-gearing counter-rotating twin-screw, the uniformity of fusant flow can be effectively ensured; by use of a blower temperature control opening and a heating block, control over the internal temperature of the fusant can be effectively realized, and the uniformity of the fusant temperature is ensured; by use of a power source and a turntable, clamping head position conversion is easily realized; by virtue of an arranged locking component, locking and rotation of the turntable are relatively flexible; by virtue of an arranged speed-measuring godet wheel, the filament length can be fed back to the power source in real time, so that the purpose of controlling the output rotation speed of the power source is achieved. The pitch carbon fiber precursor spinning device has the advantages of flexibility in switching and high automation degree; by virtue of the pitch carbon fiber precursor spinning device, the production efficiency is greatly improved.

The invention provides a testing device for a PCBA. The testing device comprises a testing platform, a plurality of testing probes and a positioning platform, wherein the testing platform is used for fixing the PCBA thereon, the plurality of testing probes are independent of the testing platform, the positioning platform is located above the testing platform, and the positioning platform is configured to be able to fix the plurality of testing probes at the bottom part, so that probe heads of the plurality of testing probes are aligned with test points on the PCBA.