64results about How to "Improve fixed reliability" patented technology

The utility model relates to the technical field of rotary drilling head, and disclose adjustable drilling angle's rotary drilling head. This adjustable drilling angle's rotary drilling head, including drill bit body, first drill tooth and second drill tooth, the bottom fixedly connected with the first drill tooth of annular array distribution of drill bit body, the outside of drill bit body lower extreme is offered with the installation hole that is annular array distribution and with inside intercommunication, the inside of installation hole all is fixedly connected with the shaft that extends to the inside of drill bit body, this device have adjustable drilling angle, strong adaptability, adjustment convenient and so on advantage, solved the traditional rotary drilling head drill tooth drilling angle unadjustable, lead to face different hardness, bedding structure's rock and soil, cannot optimal rock breaking, in turn lead to drilling efficiency reduction and, and if need to change drilling angle, must dismantle drill bit and re -weld or install, time -consuming and labor -intensive and influence construction progress's problem.

The application relates to the technical field of household appliances, in particular to a refrigerator comprising a cabinet, a cabinet inner container, a refrigeration pipeline, a fixing assembly, the cabinet inner container is provided with a mounting port, the fixing assembly comprises a fixing piece used for fixing the refrigeration pipeline and a screwing piece connected to the fixing piece, and the screwing piece is configured to rotate relative to the mounting port so as to fix the refrigeration pipeline to the cabinet inner container. The fixing assembly used for mounting the refrigeration pipeline is convenient to install and reliable in connection.

This utility model relates to the field of fire protection equipment technology and discloses a fire protection equipment rack with a protective function, including a base plate and a top plate. A side plate is fixedly provided between the base plate and the top plate. A protective cover is provided on the front of the side plate, and the top of the protective cover is hinged to the top of the top plate by a spring hinge. A shelf is fixedly provided inside the side plate, and a fixed clamp and a movable clamp are provided at the top of the shelf. A hanging plate is fixedly provided on the top of the side plate. When the protective cover is opened, the movable clamp is automatically driven to move through a synchronous linkage mechanism, instantly releasing the clamping restriction on the fire protection equipment, realizing one-handed one-step operation to unlock and retrieve the equipment. After the protective cover is closed, a reset spring automatically pushes the movable clamp to reset and clamp the fire protection equipment. At the same time, the spring hinge makes the protective cover automatically close, avoiding equipment fixation failure caused by human error.

The utility model provides a battery pack air tightness detection tool, which comprises a base and a pressing assembly arranged above the base, an accommodating space for accommodating a battery pack is formed between the base and the pressing assembly, the pressing assembly comprises a support frame arranged on the base in an up-and-down sliding manner, and the support frame is arranged on the base in an up-and-down sliding manner. The supporting frame is arranged on the base, the mounting plates are arranged on the supporting frame and arranged in the length direction of the base at intervals, each mounting plate is in threaded connection with a plurality of screw rods, the screw rods on each mounting plate are arranged in the width direction of the base at intervals, and one end of each screw rod extends into the containing space and can press the top of the battery pack. The battery pack air tightness detection tool is simple in design structure and can adapt to battery packs of different sizes, and a detection tool does not need to be independently designed for each type of battery pack.

The application relates to the field of mechanical manufacturing and automatic assembly, in particular to a fan support bearing head device and a method thereof; the device comprises a rack base, a composite spindle, a micro boring cutter, a glue injection head and a control and detection unit; the device receives detection signals through the control unit and drives each component, so that the outer pipe of the composite spindle drives the micro boring cutter to cut grooves under the driving of a fixed cam, and the inner pipe synchronously cooperates with the glue injection head to inject glue; the core is that the cooperative operation of material removal processing and fluid filling is realized in the same device, so that the solidified glue and the micro groove form mechanical interlocking; the device replaces the traditional physical extrusion mode, eliminates the assembly stress and bearing deformation caused by radial extrusion from the physical mechanism, effectively improves the fixing reliability of the axial thrust, and effectively captures the debris by using the negative pressure cavity to suck air flow, and completely solves the pollution problem of the assembly surface.

The utility model relates to eucalyptus planting technical field, especially portable eucalyptus planting fixing device, including lower limit ring shell, the lower limit ring shell's outer surface right part is provided with the tree lower part installation mouth, the lower limit ring shell's inner wall upper part is provided with the inner fixed groove, the lower limit ring shell's inner wall fixedly connected with elastic adjustment fixed structure, the lower limit ring shell's outer surface lower part annular array is fixedly connected with three bottom reinforcement architecture. The utility model discloses a kind of portable eucalyptus planting fixing device, provide basic installation support by lower limit ring shell, elastic adjustment fixed structure is realized to the elastic stable clamping of different thickness eucalyptus with the help of spring, tight resistance plate etc. And avoid damage, tree body reinforcing assembly further improves fixed reliability, bottom reinforcement architecture enhances the overall stability of device, can conveniently provide stable fixing for eucalyptus planting, help eucalyptus growth, also can satisfy portable use demand.

The utility model provides a kind of civil aircraft suitcase hinge, comprising: rocker arm and base, rocker arm below is provided with mounting hole and camshaft, base below is rotatably installed with threaded adjusting shaft, another end of threaded adjusting shaft is rotatably installed in the middle of camshaft, the middle part of base is fixedly installed by rocker arm pivot through mounting hole, rocker arm forms four-bar linkage by camshaft and connecting rod, limiting block is integrated in base, set the minimum opening angle of case door.The hinge system of the utility model is through the innovative "axial compression+radial decoupling" design concept, combined with modular adjustable structure, while ensuring high reliability, realizes the accurate control of case door movement and the convenience of installation and maintenance, breaks through the technical bottleneck that aviation level hinge high reliability and small size are difficult to be compatible, has been successfully applied to multiple civil aircraft luggage compartment system, and has the technical versatility of extending to spacecraft hatch mechanism.

The utility model relates to the technical field of wire netting, concretely to a dense hole wire netting hanging buckle positioning piece, including the positioning piece body of installation on the wire netting body, the positioning piece body is composed by connecting seat, installation base structure and hanging buckle structure, and installation base structure is preinstalled on the building steel reinforcement framework, and hanging buckle structure is used for fixing wire netting body, installation base structure includes two insertion slot of opening in connecting seat one side, and the inner wall insertion of two insertion slots has same installation clamp, and the one side of installation clamp and connecting seat is provided with first fixed component, the utility model can firmly fix whole hanging buckle positioning piece on building steel reinforcement framework, avoids the problem that traditional wire binding mode is easy to loosen, displacement, and tightly clamps wire netting body, effectively prevents wire netting from appearing loosening, deviation after being stressed, satisfies the demand of wire net fixing under different construction scenes, and simultaneously, still can make multiple pieces of wire netting accurate alignment when splicing.

The utility model belongs to the technical field of rail transit, and particularly relates to a vibration reduction fastener suitable for an assembly type structure, which comprises an iron base plate, an under-rail elastic cushion, an under-plate elastic cushion, a locking upright post, a nylon bushing, a locking cover plate, a spike and an elastic strip, and the locking upright post is vertically arranged in through holes in the iron base plate and the under-plate elastic cushion; the lower end face of the locking stand column is pressed on the track foundation, and the upper end face is combined with the locking cover plate. The nylon bushing is sleeved on the periphery of the locking upright post; a through hole is formed in the locking cover plate, a long round hole is formed in the locking stand column, the spike vertically penetrates through the through hole in the locking cover plate and the long round hole to fix the damping fastener to a supporting stand column of a ballastless track structure, the locking cover plate can move relative to the locking stand column, and then the relative position of the spike in the long round hole is adjusted. And the gauge adjustment is realized. The vibration reduction fastener has the advantages of being small in number of components, small in total weight, low in manufacturing cost, good in vibration reduction effect and convenient to use.

The utility model relates to the technical field of helicopter, and disclose a kind of vertical take-off and landing apron is used lock machine bolt mechanism, including lock machine bolt mounting seat, apron layer and building steel structure crossbeam, the bottom end fixed mounting of lock machine bolt mounting seat cavity has upper nut, the bottom fixed mounting of lock machine bolt mounting seat has lower nut.The vertical take-off and landing apron is used lock machine bolt mechanism, effectively the static electricity or lightning induction current of mechanism accumulation is guided into ground, avoid the risk that static electricity spark causes fire, equipment damage or lightning breakdown component, damage helicopter electrical system, satisfy apron electrical safety standard;Its five, give consideration to operation convenience and lock stability, two groups of fixed shaft sleeve provide stable two-point support for lock machine bolt body, ensure that lock machine bolt body can rotate flexibly around shaft sleeve, cooperate the empty slot on lock machine bolt cover plate, can conveniently realize the standing up of lock machine bolt body and clamping and cover plate fastening, operation efficient and lock state stable and reliable.

According to the technical scheme, the embedded network fault diagnosis device is characterized in that the embedded network fault diagnosis device comprises a heat dissipation mechanism; the heat dissipation mechanism comprises a mounting base, two sets of overhead limiting mechanisms are assembled on the upper end face of the mounting base, and a network fault diagnosis equipment body is jointly assembled between the two sets of overhead limiting mechanisms. According to the embedded network fault diagnosis device, the heat dissipation fans installed in the two installation grooves formed in the upper end face of the installation base are matched with the multiple air inlet grooves formed in a penetrating mode to form a complete forced convection heat dissipation system, and the air inlet grooves are distributed around the heat dissipation fans in a surrounding mode, so that the sufficient and uniform air inlet amount is ensured; after external cold air is sucked in from multiple directions of the bottom of the mounting base, the external cold air is blown upwards to the bottom of the network fault diagnosis equipment body through the cooling fan, the operation temperature of the equipment is effectively reduced, a positive and negative tooth screw rod mechanism is matched with a transmission system of a transmission belt, and the accurate synchronous adjustment function of the clamping width is achieved. And network fault diagnosis equipment bodies with different sizes can be adapted.

The application relates to the technical field of medical care, in particular to an infusion automatic heat preservation device for operating room nursing, which comprises a spiral covering type heating belt, a control module and a power supply unit. An electric heating wire is internally insulated and packaged in the spiral covering type heating belt, and a temperature sensor is arranged on the inner surface of the spiral covering type heating belt. The spiral covering type heating belt is in a strip structure, is used for being spirally wound on one end of an infusion tube close to a human body, and makes the inner surface tightly adhere to the outer wall of the infusion tube. The control module is arranged on the outer surface of the spiral covering type heating belt and is electrically connected with the electric heating wire and the temperature sensor, is used for controlling the heating state of the electric heating wire according to the feedback signal of the temperature sensor, and the power supply unit is used for supplying power for the control module and the electric heating wire. The application provides the infusion automatic heat preservation device which can realize accurate end heating, has high heat exchange efficiency, is compact in structure and safe and reliable.

This invention provides a jack fixing frame and a base beam under the frame for lifting and positioning a boiler drum using a steel structure, relating to the field of boiler drum hoisting technology. It includes a base beam under the frame and a jack fixing frame. The base beam is detachably connected to the top of the boiler steel frame body, used to bear the hoisting load of the jack and the boiler drum and transfer it to the boiler steel frame body. The jack fixing frame is installed above the base beam. This invention uses clamping steel beams on both sides of the limiting crossbeam to laterally clamp the boiler steel frame body, and the clamping steel beams of the limiting crossbeam and the clamping bolts to vertically clamp the hoisting longitudinal beam, forming a double fixation. Simultaneously, anti-slip pads are provided at the connection points to effectively prevent displacement and shaking of the base beam during hoisting, significantly improving the stability of the jack and the entire hoisting system, reducing safety hazards, and improving the reliability of the fixation compared to existing simple bolt fixing structures.

The transmission assembly of the linear lifting device comprises a lead screw, a spline housing and a hollow hollow shaft arranged on the outer side of the lead screw in a sleeved mode, the spline housing is fixedly arranged on the outer side of the lead screw in a sleeved mode, and the spline housing is connected with the inner wall of the hollow hollow shaft in a circumferential relative fixing and axial relative moving mode. The spline sleeve comprises two half sleeve bodies and a connecting piece, the two half sleeve bodies are folded in the radial direction of the lead screw and then connected through the connecting piece to be kept in a folded state, one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning protrusion, and the other one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning groove. The positioning protrusions and the positioning grooves are matched in a radial inserting mode so that the half sleeve bodies can be axially fixed relative to the lead screw. In addition, the utility model further discloses a linear lifting device provided with the transmission assembly.

The invention relates to the technical field of transformers, in particular to a dry-type transformer iron core fixing structure. The dry-type transformer iron core fixing structure comprises a fixing assembly, a base assembly and a sliding rail frame. The fixing assembly comprises two fixing sleeve plates located on the front face of the iron core and symmetrically distributed relative to the iron core, and side cover plates are arranged on the left side and the right side of the iron core correspondingly. Base assemblies are arranged at the bottoms of the fixing assemblies; the sliding rail frame comprises an upper rail and a lower rail which are parallel to each other, and the upper rail and the lower rail are connected through a frame. A heat transfer kit is arranged at the top of the iron core and is in sliding connection with the upper track; the base assembly is slidably connected with the lower rail. Stable restraint and vibration isolation of the iron core are achieved through cooperation of multi-point wrapping type fixing and a buffering vibration reduction mechanism, efficient heat dissipation and surface self-cleaning are achieved in combination with directional air cooling and micro-displacement disturbance, and therefore the operation stability of the transformer is comprehensively improved, and the service life of the transformer is comprehensively prolonged.

The invention discloses a portable multi-pathogen nucleic acid rapid detection method and detector based on CRISPR biosensing, and relates to the technical field of nucleic acid detection.The detector comprises a containing box, a bottom plate is fixed in the box, a first supporting seat, a second supporting seat and a computer module are arranged on the bottom plate, the first supporting seat is rotationally connected with a chip mounting assembly, and the chip mounting assembly is rotationally connected with a chip. The chip installation assembly is provided with a micro-fluidic chip, multi-state locking of the chip installation assembly is achieved through the locking piece and the second supporting base, and the computer module is provided with an adjustable display assembly in a matched mode. According to the detection method, multi-point transportation is achieved through the folded and stored detector, samples are processed through the micro-fluidic chip after the detector is unfolded, and nucleic acid amplification, detection and result display are completed in combination with the optical detection and heating module and the computer module. The device is regular in structure, convenient to transport, flexible to operate, stable in detection and suitable for on-site and multi-point nucleic acid detection scenes, and the detection efficiency and applicability are effectively improved.

This invention relates to the field of hemostasis devices, specifically to a compression hemostasis device for blood purification. It includes an arc-shaped fixing base, a compression component, a restraint mechanism, an adjustment mechanism, and a timed linkage mechanism. The arc-shaped fixing base has a compression window corresponding to the puncture wound in its center. The compression component includes a compression head, an elastic pressure element, and a pressure transmitting plate. The restraint mechanism includes a main restraint band and an auxiliary restraint band, both with Velcro straps at their ends away from the arc-shaped fixing base. The adjustment mechanism is perpendicular to and coaxial with the compression window, with its lower end penetrating the arc-shaped fixing base and connected to the pressure transmitting plate. The timed linkage mechanism is signal-connected to a controller, which automatically drives the adjustment mechanism to adjust the compression force according to a preset release time. This invention achieves safe hemostasis of the puncture wound, improving the safety and convenience of blood purification treatment.

The application discloses a glaucoma drainage device and belongs to the technical field of medical devices. The glaucoma drainage device comprises a drainage sheet, the inside of which is a cavity structure, the drainage sheet is divided into a left cavity and a right cavity through a first partition plate, the upper surface of the left cavity is provided with a drainage hole, and the first partition plate is provided with a drainage opening; a drainage assembly is in communication with the inside of the drainage sheet through a connecting hole provided on the drainage sheet; and a fixing mechanism is arranged on the drainage sheet and used for fixing the drainage sheet and the drainage assembly. The glaucoma drainage device can fix the drainage assembly and the drainage sheet of the device through a mechanical fixing structure, avoids the problems of the suture fixation of the drainage device in the prior art, simplifies the operation process, shortens the operation time, reduces the complications caused by the suture foreign matter, and improves the fixing reliability and safety.

The application discloses a washing machine driving installation structure and a washing machine. The washing machine comprises a speed reducer and a drainage motor. The speed reducer is connected with a brake arm. The drainage motor is connected with a connecting arm. The connecting arm has a peripheral wall. The peripheral wall surrounds a through inner cavity with both ends being penetrated. The inner side of the peripheral wall of the connecting arm is provided with a first positioning part and a second positioning part. The brake arm is provided with a third positioning part and a fourth positioning part. The brake arm is inserted into the through inner cavity of the connecting arm. The first positioning part and the third positioning part are inserted and matched to limit the axial displacement of the brake arm along the through inner cavity. The third positioning part and the fourth positioning part are abutted to limit the displacement of the brake arm along the direction perpendicular to the through inner cavity. The fixed connection between the brake arm and the connecting arm can be realized through one insertion and one abutment, and the installation is time-saving and labor-saving.

This application relates to the field of temperature and humidity measurement devices, and more particularly to an adaptive constant pressure support type temperature and humidity measurement device. The technical solution includes a telescopic rod and constant pressure support components installed at both ends of the telescopic rod. The telescopic rod has a hollow structure, internally used to accommodate sensor cables, and is equipped with a self-locking mechanism. The constant pressure support components include a pressure amplification structure and a pressure adjustment mechanism. The pressure amplification structure amplifies the initial force applied by the pressure adjustment mechanism and applies it to the support plate, causing the support plate to adhere tightly to the inner wall of the chamber with greater pressure, achieving self-support and fixation. The device also includes a pressure replenishment module and a pressure relief component, which can automatically adjust the support pressure according to temperature changes to maintain a constant pressure contact state. This application is labor-saving to operate, reliably fixed, and can adapt to complex working conditions such as thermal expansion and contraction, wall deformation, and vibration, making it suitable for temperature and humidity field calibration of environmental testing equipment with smooth inner walls.

The utility model provides a flip socket opening and closing mechanism, which belongs to the technical field of automation equipment and comprises a supporting mechanism. Comprising a bottom plate, a supporting column fixedly installed on the side wall of the bottom plate, a first sliding rail fixedly connected to the side wall of the bottom plate, a translation motor installed on the side wall of the bottom plate in a matched mode, a translation lead screw fixedly installed at the output end of the translation motor, and a moving block connected to the surface of the translation lead screw through threads. The moving mechanism comprises a fixing plate fixedly installed at the end of the supporting column and a second sliding rail fixedly installed on the side wall of the fixing plate. Through cooperation of the supporting mechanism and the moving mechanism, high-precision positioning and automatic cover turning operation of a workpiece are achieved, the translation motor is adopted to drive the lead screw to drive the bearing assembly to be accurately positioned, and the moving stability is ensured in combination with the double-sliding-rail design; the cover turning assembly is controlled through linkage of a driving motor and a lifting motor, so that an opening and closing pressing plate achieves multi-degree-of-freedom accurate movement, and stable and impact-free movement is ensured by matching with an elastic contact design.

The application discloses a cable warning lamp, which comprises a light-emitting part, a solar panel and a mounting assembly. The solar panel is electrically connected with the light-emitting part. The mounting assembly comprises an elastic part and two clamping housings. The light-emitting part is fixedly connected with one of the clamping housings. The elastic part is connected between the two clamping housings. The free ends of the two clamping housings are free ends. The elastic part makes the free ends of the two clamping housings close to each other by the elastic force of the elastic part to keep a clamping state. The two clamping housings are used for jointly clamping a cable in the clamping state. The solar panel is connected to the outer side of one of the clamping housings. The outer side is the surface of the clamping housing which is away from the region between the two clamping housings. The technical scheme of the application can utilize solar energy to supply power, does not need an external power supply, does not consume traditional energy, reduces carbon emission, and can adjust the angle of the solar panel according to the position of the sun in different time periods, so that the solar panel can better receive sunlight and the solar energy conversion efficiency is improved.

The utility model provides a kind of towed high-speed response temperature-salinity-depth sensor, belong to temperature-salinity-depth sensor technical field, including lower cover, the placement plate of being placed in the lower cover surface, sensor body being clamped in the lower cover side surface, and the upper cover being clamped in the lower cover surface.The utility model realizes the stable clamping of sensor body by the clamping groove of lower cover and the packaging board and elastic plate of stop block cooperation upper cover, effectively prevent loosening in high-speed towed process;Elastic plate forms multiple sealing structure in combination with sealing strip and packaging board, improve waterproof performance, ensure measurement data accuracy;Fixed assembly adopts rotating lever, support rod and spring linkage design, cooperate the rack and pinion mechanism of limiting assembly, realize quick disassembly and strengthen fixed reliability, improve impact resistance, adapt to complex marine environment, while being convenient for maintenance and replacement, significantly improve the response speed, stability and service life of sensor.

The utility model relates to a light weight vacuum cup with integrated structure and filtering function, characterized in that it comprises a vacuum cup, a cup cover, a mounting ring, a thread, a filter screen, a fixing rod and an adjusting screw, etc. The top of the vacuum cup is provided with the cup cover, the inner side of the cup mouth of the vacuum cup is provided with the thread, the outer side of the mounting ring is provided with the thread, the vacuum cup and the mounting ring are fastened and matched through the thread, the vertical fixing rod is connected in the mounting ring, the adjusting screw is rotatably connected in the mounting ring, the filter screen is slidably connected in the mounting ring, one end of the filter screen is slidably connected with the fixing rod, and the other end is threadedly connected with the adjusting screw. The fixing rod and the adjusting screw are symmetrically arranged about the mounting ring. The thread fastening and matching of the mounting ring and the cup mouth of the vacuum cup replace the temporary clamping mode of the funnel and the cup mouth in the prior art, so that the filter assembly and the main body of the vacuum cup form a stable mechanical connection, thereby realizing reliable fixation of the filter assembly and achieving the purpose of preventing the filter funnel from accidentally falling off.

The utility model discloses an angle-adjustable aluminum alloy formwork corner reinforcing fixture belongs to the technical field of building construction aluminum alloy formwork reinforcing equipment. It includes base, clamping component, spring, fixed base and connecting seat, the fixed clamping plate with arc first clamping portion is fixedly connected with base, and the sliding groove is established, the clamping component contains the movable clamping plate of pulling lever and arc second clamping portion, and the movable clamping plate is hinged with connecting seat, and the spring is sleeved in the clamping component and abuts fixed base and connecting seat, and the bottom limiting piece of connecting seat cooperates with sliding groove. The device solves the poor angle adaptability of existing equipment, the cumbersome operation, the unreliable problem of fixed, through the hinge and the sliding structure adaptation different corner, the spring automatic reset realizes the quick loading and unloading, and the arc clamping portion and the continuous pre-tightening force guarantee the fixed stability, and the practicality is strong.

The utility model provides a kind of locomotive brake disc polishing equipment, including rack, drive element is provided on rack, the output shaft end of drive element is provided with carousel, drive element can drive carousel rotate around the axis of carousel, carousel is provided with double-station polishing mechanism, double-station polishing mechanism includes the installation cover being set on rack, polishing abrasive wheel is rotatably arranged in installation cover, carousel is symmetrically provided with fixed disc, one of fixed disc is located just below polishing abrasive wheel, the front end of installation cover is slidably provided with transparent baffle, transparent baffle is located between two fixed discs, the utility model can be realized in the polishing of one of the workpieces to be polished simultaneously by double-station polishing mechanism, the installation operation of another workpiece to be polished can be realized, the idle running of traditional polishing equipment is solved when changing production or in the process of changing workpiece, greatly save unnecessary workpiece fetching and placing time, operation is more convenient and efficient.

The utility model discloses a user photovoltaic assembly, which comprises a lower frame, an upper frame, a bearing rope and a photovoltaic tile, and is characterized in that the lower frame is fixedly arranged; a lower supporting edge is arranged on at least one side of the lower frame; the upper frame and the lower frame are detachably connected, the upper frame and the lower frame are mutually buckled to form a rope penetrating hole, the bearing rope penetrates through and is fixed in the rope penetrating hole, the two ends of the bearing rope are fixedly arranged, a suspension supporting structure is formed, the vertical load of the user photovoltaic module on the roof is effectively reduced, and the situation that the user photovoltaic module is not firmly fixed due to damage of the roof structure is avoided. An upper extrusion edge is arranged on at least one side of the upper frame, and a tile clamping groove is formed between the lower supporting edge and the upper extrusion edge which are opposite; the edge of the photovoltaic tile is clamped and fixed in the tile clamping groove, the clamping structure is used for replacing the existing bolt connection, and the problem that the photovoltaic module of a user is not firmly fixed due to the fact that the bolt vibrates and loosens is solved. Therefore, the fixing reliability of the user photovoltaic assembly can be improved.

The utility model discloses a rectangular pipe fixing structure relates to square tube processing technical field, and this utility model discloses a support platform, the upper surface symmetry fixed connection of support platform has fixed device, the lower surface of support platform is equipped with lifting mechanism, the fixed device includes the base, the upper surface symmetry fixed mounting of base has the guide pillar, the top symmetry fixed connection of two guide pillars has the support plate, the outer surface screw thread of support plate inserts and is equipped with the threaded rod, the top fixed connection of threaded rod has the knob, the bottom of knob penetrates support plate and is fixedly connected with fixed block, the upper surface of base and the lower surface of fixed block all are equipped with fixed groove, and two fixed grooves cooperate to use, and the utility model discloses the collaborative use of setting fixed device and lifting device to reach the effect that the rectangular pipe is fixed conveniently and the fixed height is adjusted.

The utility model relates to the technical field of duplicator subcomponent detection, in particular to an automatic flatness detection jig for a duplicator subcomponent, which comprises a base and a bottom plate, a vacuum adsorption assembly is arranged in the middle of the base in a penetrating manner, and the vacuum adsorption assembly is sealed through combined installation of the base and the bottom plate. A rotating assembly is arranged in the base; the laser confocal scanning head has the beneficial effects that zero-damage measurement of the surface of a part and compression of an edge blind area are realized through 15-degree inclined incidence design of the laser confocal scanning head and the diameter of a light spot; 24 calibration points on the inner side of the reference datum ring form a closed-loop calibration system, and one calibration point is scanned every 15-degree rotation; correcting platform deformation and temperature drift errors in real time; the long-term use measurement stability is ensured; vacuum adsorption and servo rotation cooperative control are integrated, and the fixing reliability is improved through the broken line layout of vacuum adsorption holes; the base and the bottom plate adopt a clamping groove and bolt quick release structure; and the vacuumizing groove and the communicating groove are separated, so that cleaning and maintenance are facilitated.