299results about How to "Realize limit fixation" patented technology

The invention provides a tenon-and-mortise limb fixing type radiation treatment body part positioning hollow fixing frame which is composed of two parts of a tenon-and-mortise limb fixing type fixing frame and a tenon-and-mortise limb fixing type body membrane. The design of the cross stress structure of a lock sheet structure and a pressing plate is scientific so that loosing of fixing in the use period does not need to be worried; damage to the human body caused squeezing can be avoided by application of a U-shaped treatment groove; more rapid operation can be realized and scalability error of the body membrane can be reduced as much as possible by the integrated design; dose distribution is enabled to be more accurate by the hollow design of a fixing bottom plate; and technician operation is enabled to be simplified and convenient by the design of fixing bottom plate positioning holes and pressing strip handles so as to be safe, environment-friendly, obvious in fixing effect and relatively high in practicality and generality. The tenon-and-mortise limb fixing type radiation treatment body part positioning hollow fixing frame is reasonable in design. Position limiting and fixing of the external contour of the human body trunk part can be realized, and the tenon-and-mortise limb fixing type radiation treatment body part positioning hollow fixing frame is particularly suitable for the inferior belly part of a patient so as to achieve or be close to zero displacement. All shortcomings and defects in existing radiation treatment positioning structures can be effectively solved.

The invention relates to the technical field of automobile accessory welding, in particular to an automobile accessory welding mechanical arm with a clamp convenient to replace. The automobile accessory welding mechanical arm comprises a mechanical arm main body and a base, wherein the bottom end of the mechanical arm main body is fixedly connected with the base, the top end of the base is fixedlyconnected with a controller, and the controller is fixedly connected with the mechanical arm main body; a clamping device comprises a clamp base, a first electric telescopic rod, a clamping piece, aconnecting base, a second electric telescopic rod, a first clamping block, a second clamping block, a stop block, a limiting block, a second spring and a connecting shaft; a clamp base is arranged atthe top end of the connecting device; and the inner side of the top end of the clamp base is fixedly connected with a first electric telescopic rod. According to the automobile accessory welding mechanical arm, through the arrangement of a first wedge-shaped block and a second wedge-shaped block, limiting and fixing of the clamp base can be achieved through mutual clamping of the clamping head andthe clamping piece, meanwhile, the clamp base can be ejected upwards from the inner side of the fixing base through interaction of the first wedge-shaped block and the second wedge-shaped block, andrapid dismounting of the clamp base is achieved.

The invention discloses a feeding device for plastic pipe machining, and belongs to the field of plastic pipe production and machining mechanical equipment. According to the feeding device, a bag moving support is vertically arranged on the upper side of a feeding base, the output end of an upper translation cylinder on the two sides of a lifting support is provided with a bag lifting support, a bag lifting plate is horizontally arranged on one side of a bag lifting guide plate, the output end of a lower translation air cylinder is provided with a reciprocating guide plate, the corner of a bagplacing bearing plate is hinged to the upper side of the reciprocating guide plate, a guide support is arranged on the upper side of an adjusting bottom plate, a material guide cylinder is obliquelyarranged between the guide support and the adjusting bottom plate upwards, a bag clamping rotating plate is arranged on the upper side of the guide support, and a bag cutting rotating plate is arranged on the guide support on one side of the bag clamping rotating plate. The feeding device is reasonable in structural design, the woven bags filled with plastic particles can be transferred and guidedone by one efficiently and steadily, automatic feeding processing of the plastic pipes in the production process is achieved, the production automation degree is improved, and the requirements of production and use are met.

The invention discloses portable recording equipment for a music teaching teacher, and relates to the technical field of teaching equipment. The equipment comprises a base plate, a first connecting plate, second connecting plates and a top plate, the base plate is a plate which is integrally arranged in an L shape, the first connecting plate is arranged on the front side of the base plate, the first connecting plate is hinged to the top face of a bottom plate of the base plate through a hinge, the top plate is arranged above the base plate, and the two second connecting plates are symmetrically arranged on the two sides of the base plate. First limiting columns are symmetrically arranged on the two sides of the center line of the top face of the bottom plate of the base plate, and L-shapedlimiting strips are symmetrically arranged on one side face, over the first limiting columns, of the side plate of the base plate. Through the arrangement of inserting columns, bolt columns, rectangular clamping strips, universal wheels, straps, telescopic rods, a teleprompter screen, a writing board and a storage box and the mutual cooperation of the components, the equipment is more convenientto carry, can assist teachers in teaching, and is better in teaching effect.

The invention discloses a bending machine for stainless steel pipe machining. The bending machine comprises a bending mechanism, a stainless steel pipe body and a supporting plate; the top of the supporting plate is fixedly connected with an operation box, the back surface of the operation box is fixedly connected with a transverse plate, a vertical plate is fixedly connected between one side of the top of the inner wall of the operation box and the same side of the bottom of the inner wall of the operation box, a partition plate is fixedly connected between the other side of the top of the inner wall of the operation box and the same side of the bottom of the inner wall of the operation box; one sides, opposite to each other, of the vertical plate and the partition plate are each rotationally connected with a threaded sleeve through a bearing, two sides between the back surface and the front surface of the inner wall of the operation box are each rotationally connected with a rotatingrod through a bearing; one side of the vertical plate is fixedly connected with a first motor through a connecting block, and the outer surface of an output shaft of the first motor is fixedly connected with a first belt wheel. The bending machine relates to the technical field of a stainless steel pipe production device. According to the bending machine for stainless steel pipe machining, two ends of the stainless steel pipe can be limited and fixed in the bending process, so that a steel pipe can be prevented from moving during bending work, and thus influence on subsequent work is avoided.

The invention discloses a batch pipe arranging and sequencing device. The batch pipe arranging and sequencing device comprises an arranging and sequencing workbench, a pipe arranging mechanism, a pipepositioning and sequencing mechanism, a conveying belt, a limiting stopping plate and a coding machine; multiple shock absorbing supporting bases are fixedly mounted at the bottom of the arranging and sequencing workbench; rubber shock absorbing pads are fixedly mounted at the bottoms of the shock absorbing supporting bases; and the pipe arranging mechanism is mounted at one end of the top of thearranging and sequencing workbench. According to the batch pipe arranging and sequencing device, the structure is reasonable and simple; the use is convenient; the degree of mechanization is high; the operation is simple; the arranging and stable conveying of pipes are realized; the pipes are limited and fixed during coding to prevent the pipes from deviating during coding so that the batch pipearranging, coding and sequencing accuracy is effectively improved and the product quality is effectively improved; and as the coding machine mounted in a mobile manner and a second limiting groove arearranged, the flexibility of the coding sequence is effectively enhanced, and the practicability is higher.

The invention discloses a contact surface limiting piece of an optical fiber coupling module. The contact surface limiting piece comprises an outer frame, a mounting block, a semiconductor laser and two locking devices, wherein the bottom of the semiconductor laser is in contact with the top of the inner wall of the outer frame; the front surface and the back surface of the mounting block are bothfixedly connected with the inner wall of the outer frame; the back surfaces of the locking devices are fixedly connected with the front surface of the outer frame; a mounting groove is formed in themounting block; a bidirectional threaded rod is rotationally connected between the front surface and the back surface of the inner wall of the mounting groove through a bearing; and a through hole isformed in one side of the mounting groove in the mounting block. The contact surface limiting piece relates to the technical field of semiconductor lasers. According to the contact surface limiting piece of the optical fiber coupling module, the limiting and fixing can be achieved to a certain extent when a plurality of semiconductor laser modules are used; the disassembly and maintenance are convenient; the convenience is brought to a user; and meanwhile, a certain protection effect can be achieved for the user.

The invention discloses a polishing device for bridge-cutoff aluminum alloy door and window machining. The polishing device comprises a base and a moving assembly. Supporting rods are uniformly arranged on the surface of the base, a top plate is arranged at the top ends of the supporting rods, a translation assembly is arranged on the surface of the base, a lifting assembly and a limiting assembly are arranged on the translation assembly, a clamping assembly is arranged on the lifting assembly, and a rotating assembly is arranged on the limiting assembly; the moving assembly comprises a top groove, a sliding seat, a toothed plate, supporting plates, a worm and a first motor, the top groove is formed in the middle of the top plate, the sliding seat is slidably connected into the top groove, the toothed plate is arranged on the surface of the sliding seat, and the supporting plates are symmetrically arranged on the two sides of the surface of the top plate. And automatic turning over of doors and windows can be achieved, continuous grinding of the two sides can be achieved, the working efficiency is improved, the labor intensity is reduced, and practicability is high.

The invention discloses a positioning and punching device for metal plate machining, and relates to the technical field of metal plate machining. The device comprises an operation table, a moving frame and a punching mechanism; the whole operation table is in an L shape; two L-shaped supporting frames are symmetrically arranged on the two sides of the front end of the operation table, and the two ends of each L-shaped supporting frame are fixedly connected to the two perpendicular side faces of the operation table correspondingly; a moving frame is arranged on the top faces of the L-shaped supporting frames in a sliding fit mode; a punching mechanism is arranged on the moving frame in a movable fit mode; and the punching mechanism comprises a rotating disc, a fixed disc and a first hydraulic cylinder, and one end of the first hydraulic cylinder is fixedly connected to the top of the side face of the fixed disc. Through arrangement of a rectangular clamping block, a middle-shaped positioning groove, a positioning block, a first motor, an air cylinder, a cylindrical sleeve, a top plate and an electromagnetic strip and cooperation of components, a punching head can be automatically and rapidly replaced when the device is used, the stability of the replaced punching head is high, and the punching quality of a metal plate can be effectively improved.

The invention belongs to the field of gas pipe materials, and discloses a gas pipe material cut-off device capable of precisely positioning. The gas pipe material cut-off device comprises an operatingtable, wherein the four corners of the bottom of the operating table are fixedly connected with supporting legs; a mounting block is fixedly connected behind the top of the operating table; a hydraulic pushing rod is arranged on the front surface of the mounting block; the bottom of the hydraulic pushing rod is fixedly connected with a cutting motor; the left side of the output shaft of the cutting motor is fixedly connected with a rotary shaft; and the right end of the rotary shaft is fixedly connected with a cutting disc. While a gas pipe material is cut off, a first threaded rod, a throughhole and a threaded block are matched with one another to drive a supporting block to move left and right, and a pointer can be driven to move on scale lines along with movement of the supporting block, so that a distance between the supporting block and a cutting edge of the cutting disc is regulated according to a position pointed by the pointer, and therefore, length of the cut pipe material is precisely regulated, cutting errors and material waste are avoided, working efficiency is improved, and labor intensity is reduced.

The invention relates to the technical field of screen printers, in particular to a printing device for a screen printer. The printing device comprises a printer main body and a lifting mechanism, thefront end of the printer main body is fixedly connected with a controller, the front end of the printer main body is fixedly connected with the lifting mechanism, and the bottom end of the lifting mechanism is fixedly connected with position compensation devices; and the bottom end of the position compensation device located on the left side is fixedly connected with an ink return plate, and a protection device comprises a horizontal plate, a vertical rod, a second electric telescopic rod, a moving plate, an inner rod, a locking screw and an oil receiving box. According to the printing device, the horizontal plate, the vertical rod, the second electric telescopic rod, the moving plate, the inner rod, the locking screw and the oil receiving box are arranged, after ink scraping by an ink scraping plate is completed, the ink receiving box is moved to the lower side of the ink scraping plate, ink dropping from the ink scraping plate is received through the ink scraping plate, the ink is prevented from dropping onto a printed matter to affect the printing quality, and the ink receiving box is convenient to disassemble and clean.

The invention discloses a mounting rack for an integrated cooker fan. The mounting rack comprises a base and an arc-shaped clamping seat, the arc-shaped clamping seat is arranged on the base, the arc-shaped clamping seat comprises a bottom support and an arc-shaped frame, and the arc-shaped frame is located in the bottom support. A mounting method comprises the following steps that 1) the arc-shaped clamping seat is mounted; 2) the arc-shaped clamping seat and the base are mounted; 3) a motor supporting part and an air inlet pipe supporting part are mounted; and 4) the fan and the mounting rack are mounted. According to the mounting rack for the integrated cooker fan, mounting and fixing between the mounting rack and the inner wall of an integrated cooker are realized through the base, thearc-shaped clamping seat can be used for clamping and fixing a turbine casing on the fan, meanwhile, a motor on the fan is supported through the motor supporting part, and then an air inlet pipe on the fan is supported by using the air inlet pipe supporting part, so that the mounting firmness and reliability between the whole fan and the mounting rack are effectively guaranteed, the structural stability of the integrated cooker is improved, moreover, the angle of an air outlet pipe can be adjusted according to the actual position of an air duct pipe in the integrated cooker after the fan is mounted on the arc-shaped clamping seat.

The invention relates to the field of fruit bagging devices, in particular to a multifunctional automatic fruit bagging device. The multifunctional automatic fruit bagging device comprises a water tank, a cleaning mechanism, a screening mechanism, a feeding mechanism, a fixing mechanism and a receiving mechanism. The cleaning mechanism is installed in the water tank, poured-in winter jujubes can be rotationally brushed, so that soil and chippings adhering to the outer skins of the winter jujubes can be thoroughly removed, and the quality of the packaged winter jujubes is guaranteed; when the cleaning mechanism conducts cleaning work, the screening mechanism can be synchronously driven to work, through work of the screening mechanism, large and small winter jujubes can be screened and cleaned in a classified mode, so that the large and small winter jujubes can be packaged in a classified mode; the cleaning mechanism can synchronously drive the feeding mechanism to work while conducting cleaning work, through work of the feeding mechanism, the cleaned winter jujubes can be circularly fed, and the cleaned winter jujubes can be automatically fished out from the interior of the water tank.

The invention relates to the technical field of environmental protection, and further discloses a gas chromatograph-mass spectrometer. The spectrometer comprises a combined instrument body, a dustproof cover is arranged at the bottom of the sample detector; a door body is mounted on the surface of the dustproof cover at the slot through a hinge shaft; a limiting piece is mounted at the front end of the surface of the door body; and a clamping piece is installed on the surface of the dust cover on one side of the open groove, a clamping groove is formed in the surface of the clamping piece, a second hydraulic cylinder is installed in the combination instrument body, a fixing rod is installed at the output end of the second hydraulic cylinder through a piston rod, and supporting rods are symmetrically installed at the bottom of the fixing rod. According to the gas chromatograph-mass spectrometer, the dustproof cover, the clamping groove, the limiting block, the second hydraulic cylinderand the supporting rod are arranged, so that the gas chromatograph-mass spectrometer has a dustproof function and a height adjusting function, a detection sample is convenient to replace, pollution isreduced, dust is prevented from being left on the gas chromatograph-mass spectrometer to influence the precision of the gas chromatograph-mass spectrometer, and meanwhile, bacteria breeding caused bylong-term accumulation of garbage is avoided.

The invention discloses a supporting device for a steam oven grill. The device comprises positioning frames and a supporting assembly, the positioning frames are fixedly connected with the inner wallof the steaming oven, the supporting assembly is located between the front positioning frame and the rear positioning frame and comprises end brackets and a supporting rod, the end brackets are arranged at the front end and the rear end of the supporting rod and movably clamped in the positioning frames, the end brackets are limited and fixed to the positioning frames through end supporting plates, and a main bracket is arranged in the middle of the supporting rod. The installation method comprises the following steps of (1) assembling the supporting assembly; 2) mounting the positioning frames; 3) mounting the supporting assembly and the positioning frames; and 4) placing the gridiron. The detachable structure is designed between the supporting device and the inner wall of the steam oven,subsequent maintenance and replacement are facilitated, the installation number and the installation height of the supporting assemblies can be adjusted according to needs, the supporting assembliesconduct multiple supporting on the side face of the grill through the combined action of the end brackets and the main bracket, and the placement stability of the grill is guaranteed.

The invention provides a backlight module and a display device. The backlight module comprises a rubber frame and a light guiding plate located in the rubber frame. A protruding part and a channelingpart corresponding to the protruding part are formed on the rubber frame, and thus an elastic structure is formed; the protruding part of the elastic structure is used for making contact with the sidewall of the light guiding plate, the protruding part offsets towards one side of the channeling part due to extrusion of the light guiding plate, thus the channeling part deforms, the elastic structure and the light guiding plate are in interference fit, and thus the light guiding plate is fixed into the rubber frame and does not offset. According to the backlight module and the display device, the problems that as for a vehicle-mounted display device, when the backlight module shakes, the light guiding plate impacts the side wall, consequently, abnormal noise is generated, and poor optic iscaused due to bruise of net points of the light guiding plate are solved.

The invention discloses an LED wafer bonding method. The LED wafer bonding method comprises the following steps that a substrate is provided; an LED wafer is grown on the surface of the substrate, anda first bonding structure is enabled to be formed on the surface of the LED wafer; a backboard is provided; a binding layer is arranged on the surface of the backboard, and a second bonding structurecapable of being bonded with the first bonding structure is formed on the surface of the binding layer; and the LED wafer is aligned with the binding layer, and the first bonding structure and the second bonding structure are enabled to be bonded. The utilization rate of the backboard can be enhanced by the technical scheme.

The invention discloses a cleaning box and a cleaning robot thereof. The cleaning box comprise a cleaning box body, a dust collecting cavity is formed in the cleaning box body, a containing cavity used for installing a detachable water tank is formed in one side of the dust collecting cavity, and when the water tank is installed in place, the dust collecting cavity is an independent space area relative to the containing cavity. According to the cleaning robot, the problem that an existing dust box water tank of an integrated structure limits the situation that the dust box cannot be independently installed on the cleaning robot body is solved, and the problem that due to the fact that the volume of the dust box cannot be independently increased, little garbage can be contained in the dustbox is solved.