Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

56results about How to "Avoid frequent replacement" patented technology

A wastewater purification and reuse device based on a membrane bioreactor

This invention relates to the field of wastewater treatment technology, and in particular to a wastewater purification and reuse device based on a membrane bioreactor. Addressing the limited removal efficiency of pollutants adhering to membrane elements in existing technologies, this invention provides a wastewater purification and reuse device based on a membrane bioreactor. The device includes a treatment tank containing a membrane bioreactor assembly. The assembly includes an assembly frame with multiple membrane elements mounted on it. Scrapers that cooperate with the membrane elements are located on both sides of a horizontal plate. A cleaning assembly also includes a vertically movable frame. When the frame moves downwards, the horizontal plate moves downwards, and the scrapers clean the outer surface of the membrane elements downwards. A movable scraper is located on a support, and a collection box is located on one side of the support. When the scraper moves to one side, the collection box opens. By directly scraping away impurities adhering to the outer surface of the membrane elements, suspended solids, colloidal particles, microbial flocs, and other pollutants on the membrane surface can be removed quickly and effectively.
Owner:ANHUI SHUIAN CONSTR GRP CO LTD

An industrial processing fluid filtration system using the principle of condensation and diversion.

This utility model discloses an industrial processing fluid filtration system using the coagulation and diversion principle, comprising a three-compartment water tank, a low-voltage AC particle coagulation device, and a diversion filter cartridge. The three-compartment water tank is divided into a sludge tank, a filtration tank, and a supply tank. The low-voltage AC particle coagulation device includes a cylindrical electrode and an electrical control box. The diversion filter cartridge includes a cylindrical filter, and the interior of the cylindrical filter has a filter element parallel to the axis of the cylindrical filter. The three-compartment water tank, the low-voltage AC particle coagulation device, and the diversion filter cartridge are connected sequentially by water pipes. This industrial processing fluid filtration system using the coagulation and diversion principle is advanced in design, compact in structure, and easy to use. It aggregates fine particles in the processing fluid into larger particles, facilitating subsequent filtration, improving filtration efficiency and accuracy, and preventing excessive deposition and compaction of particles on the filter element surface, thus extending the service life of the filter element and avoiding frequent replacement.
Owner:鸟居 达也

Air nozzle accessory and hairdressing equipment

The utility model discloses an air nozzle accessory and hairdressing equipment. The tuyere accessory comprises a tuyere outer shell, a tuyere inner shell and an adjusting structure. The tuyere outer shell is provided with an air inlet end and an air outlet end which are oppositely arranged. The air nozzle inner shell is sleeved with the air nozzle outer shell and provided with a hair combing part. The adjusting structure is arranged in the tuyere inner shell in a sleeved mode and comprises an air guiding piece and an adjusting piece, the air guiding piece is movably connected to the adjusting piece and the tuyere inner shell and has a first working state and a second working state, and the adjusting piece can move relative to the tuyere inner shell so that the air guiding piece can be switched between the first working state and the second working state. The air outlet area of the air guide piece in the first working state is larger than that of the air guide piece in the second working state. According to the air nozzle accessory, the function of the air nozzle accessory is more powerful, different hair styling requirements can be better met, the number of accessories carried by a user can be reduced, frequent replacement of the air nozzle can be avoided, and the use experience of the user is better improved.
Owner:LOVEUBEST TECHNOLOGY (SUZHOU) CO LTD

An electronic float device based on posture sensing and low-power control

The application discloses an electronic float device based on posture sensing and low-power control and belongs to the technical field of electronic float for float fishing. The electronic float device comprises an upper shell and a lower shell which are threadedly connected to form a sealed shell, an electric control device is arranged in the upper shell, and a counterweight is clamped and arranged on the bottom surface of the lower shell. The electric control device comprises an electric control board and a battery assembly. A main control unit, a posture sensor and two LED lamps are integrated on the electric control board. The main control unit controls the on-off of the two LED lamps through a built-in dynamic acceleration threshold algorithm. The main control unit controls the on-off of the two LED lamps through the built-in dynamic acceleration threshold algorithm, different color source signals are more easily and accurately recognized, the electronic float device can adapt to wind and surge environment, accurately recognize fish biting hooks and has low false report rate. The detachable and replaceable counterweight can widen the adapted scene, match the float water depth and be suitable for more fishing fields in water areas and improve the adaptability. The STM32C011F4U6 microcontroller is adopted, low-power consumption is achieved, standby time is long and battery replacement is avoided.
Owner:毛志国

Vagina contracting rod for recovery of pelvic muscle relaxation in gynecology department

The invention discloses a vagina contracting rod for recovery of pelvic muscle relaxation in the gynecology department, and belongs to the technical field of medical instruments, the vagina contracting rod comprises a rod body and a liquid injection head mounted at one end of the rod body, a plurality of groups of groove bodies are formed in the rod body and are linearly distributed at equal intervals, and a medicine storage mechanism and an acupuncture mechanism are arranged in each groove body; the medicine storage mechanism comprises a medicine storage bag and a connecting groove, the medicine storage bag is arranged in the groove body, the connecting groove is formed in the side, close to the liquid injection head, of the groove body, the medicine storage bag is located between the connecting groove and the needling mechanism, and a needling head of the needling mechanism is arranged opposite to the connecting groove. Through the linkage design of the locking mechanism and the supporting mechanism, sequential release of the multiple medicine storage mechanisms is achieved, the requirement for repeated and continuous medicine administration in the treatment process is met, frequent medicine replacement or repeated injection is avoided, the medicine administration process can be automatically completed through unlocking operation of the locking mechanism, external auxiliary equipment is not needed, and the operation is convenient. The patient can conveniently use the device at home.
Owner:THE SEVENTH MEDICAL CENTER OF PLA GENERAL HOSPITAL

A multi-sensor integrated detection dock system for laptop performance testing

The application belongs to the technical field of computer hardware testing, and discloses a multi-sensor integrated detection dock system for notebook computer performance testing, which comprises a multi-sensor module, a data acquisition and interface module, a main control module and a hardware component. The application has the following remarkable advantages: high integration and improved efficiency; data synchronization precision and improved analysis value; high automation degree and reduction of human error; consistent test conditions and strong result comparability.
Owner:NOAH TESTING & CERTIFICATION (BEIJING) CO LTD

Method for purifying alcohol high-purity reagent by rectification-double membrane method

The application discloses a new process for purifying alcohol ultra-clean high-purity reagent by rectification-double membrane method, which comprises the following steps: firstly, removing heavy components in alcohol ultra-clean high-purity reagent raw materials by simple rectification technology to obtain alcohol ultra-clean high-purity reagent with purity higher than 99.9%; and then, separating the alcohol ultra-clean high-purity reagent by membrane separation technology to remove other low-boiling volatile organic matters, metal ions and insoluble impurity particles, and obtaining SEMIG5 or above grade alcohol ultra-clean high-purity reagent on the permeation side by condensation. In addition, the alcohol ultra-clean high-purity reagent on the rejection side of the permeation vaporization returns to the rectification tower, and the evaporation enthalpy of the distillation process and the vaporization enthalpy of the membrane separation process are combined, so that the energy loss in the repeated vaporization and condensation process is reduced, and the energy utilization efficiency is improved.
Owner:NANJING TECH UNIV

Integral lifting platform for large-span steel truss

The invention relates to the technical field of steel truss lifting, and discloses an integral lifting platform for a large-span steel truss, which comprises a steel truss main body and a lifting machine, the steel truss main body is placed on the lifting machine, and the lifting machine is driven by a main driving device to lift; a flexible assembling assembly and protection assemblies are arranged on the elevator, the flexible assembling assembly is arranged on the elevator, a limiting assembly is arranged on the flexible assembling assembly, the protection assemblies are arranged at the ends of the two sides of the flexible assembling assembly, and filter screen assemblies are installed on the protection assemblies. Through cooperation of flexible assembly and the protection assembly, the problem that existing equipment is poor in adjustability is solved, different lifting sets in the flexible assembly assembly are spliced through clamping protruding heads and sliding grooves, stable connection is achieved through cooperation of the limiting assembly, and the lifting sets can be increased or decreased according to the length of the steel truss; the height of the protection assembly is adjusted through hydraulic lifting of the side protection plate, the sliding hook drives the elastic net and the bearing net for covering protection, the elastic hole and the soft bag buffer falling impact, and flexible assembly and comprehensive protection are integrally achieved.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

Ejector rod mechanism for aluminum brake caliper casting mold

The utility model discloses an ejector rod mechanism for an aluminum brake caliper casting mold, which comprises an ejector rod assembly, the ejector rod assembly is of a split structure, a linear bearing is arranged on the periphery of the ejector rod assembly positioned in the casting mold, a heat insulation pad is arranged on the periphery of the linear bearing, the end part of the ejector rod assembly extends out of the linear bearing, and the end part of the ejector rod assembly is connected with the heat insulation pad. And the ports of the linear bearing and the heat insulation pad are flush with each other, and threaded caps are arranged at the ports to fix the linear bearing and the heat insulation pad. The ejector rod mechanism for the aluminum brake caliper casting mold can effectively solve a series of problems that after an ejector rod of an existing brake caliper casting mold is abraded, the ejector rod is inconsistent in ejection length, prone to deformation due to clamping stagnation, difficult to replace and the like.
Owner:HUNAN JIANGBIN MASCH GRP CORP LTD

Material placing frame capable of being installed in combined mode

The utility model relates to the technical field of house building construction, in particular to a material placing frame capable of being installed in a combined mode, which comprises a support body, and a layer plate assembly is installed on the outer wall of the support body in an attached mode. According to the improved material placing frame, the inserting bolts, the B-shaped pins, the supporting frames and the supports are installed, the height and the layer number of the placing frame can be freely adjusted, the first inserting plates, the second inserting blocks and the brackets are installed, the length and the width of the layer plate assemblies can be freely expanded, and through the modularized assemblies, the size can be flexibly adjusted according to needs, and rapid disassembly, assembly and expansion can be achieved; the goods shelf is suitable for different building material specifications, the utilization rate of longitudinal space is effectively improved through multi-layer installation, the occupied area is reduced, and therefore the overall space utilization rate, environment adaptability and storage efficiency are improved, damaged parts can be locally repaired or replaced under the condition that construction is not affected, frequent replacement or splicing of the whole goods shelf is avoided, and the labor intensity of workers is lowered. The labor cost is reduced, and the overall construction efficiency is improved.
Owner:CHENGDU HAIRUI CONSTR ENG CO LTD

A machining device for machining positioning holes in CNC machine tools.

This utility model discloses a machining device for positioning holes in CNC machining fixtures, relating to the field of positioning hole machining technology. It includes a worktable with an adjustment component inside, and a U-shaped frame fixed to the top of the worktable. A movable plate is slidably connected to the inner wall of the U-shaped frame, and an oil spraying component is located at the top of the movable plate. The adjustment component includes a fixed seat fixed to the center of the top of the worktable. This utility model achieves positioning and fixing of the positioning hole by inserting a positioning pin into the positioning hole in the part. When the tapered shaft rises, multiple sets of ball joints compress the return spring and extend from inside the positioning pin until the end face of the ball joint abuts against the inner wall of the positioning hole in the part. This effectively adapts to changes in the diameter of the positioning hole, ensuring precise alignment between the part and the tool, thereby improving machining accuracy, enhancing the versatility and flexibility of the device, avoiding frequent replacement of positioning pins of different sizes, simplifying the operation process, and improving production efficiency.
Owner:SHANGHAI XUKUN MOULD TECH CO LTD

Master-slave partition cooperative pressurization polishing head and application thereof in wafer polishing

ActiveCN121083500BHigh flatness polishingImprove removal rateLapping machinesLapping toolsWaferMaterial removal
The application discloses a polishing head with master-slave partition cooperative pressurization and application thereof in wafer polishing, and belongs to the technical field of polishing heads. The polishing head comprises a connecting module, a retaining ring flexible pressurization module and a master-slave partition cooperative pressurization module. The connecting module is connected with a main shaft of a host computer, and is internally provided with a plurality of gas channels, so that stable transmission of a plurality of gases can be realized. The retaining ring flexible pressurization module is driven by a ring-shaped air bag to deform, so as to pressurize the retaining ring and ensure that the retaining ring is closely attached to a polishing pad, thereby avoiding wafer slip during polishing. The master-slave partition cooperative pressurization module comprises a physically isolated master partition and a plurality of slave partitions. The master partition has a large pressurization capacity and can control the overall material removal rate of the wafer through large pressure. The slave partitions can finely control the surface topography of the wafer through small pressure, so that high material removal rate and high flatness polishing of the wafer are comprehensively realized. In addition, the module adopts a wedge-shaped guide mechanism, so that the tolerance of the polishing head to wafer thickness difference is improved, and the safety of the polishing process is enhanced.
Owner:YANGHUA INTELLIGENT MANUFACTURING (SICHUAN) INNOVATION TECHNOLOGY CO LTD

Angle fixing type temporary storage frame capable of being matched with multi-size reel collecting barrels

The invention discloses an angle-fixed cache frame adaptable to multi-size collecting and winding drums, and relates to the technical field of warehouse logistics equipment.The angle-fixed cache frame comprises a rack and a controller, an adjusting mechanism is arranged on the rack, a restraining mechanism is arranged on the adjusting mechanism, and the adjusting mechanism comprises a mounting box. According to the angle-fixed temporary storage frame capable of being matched with the multi-size winding drums, the temporary storage frame can be accurately and automatically matched with the winding drums with different lengths and diameters through the transverse adjusting module composed of a double-shaft servo motor, a threaded rod, a threaded block and a push rod and the longitudinal adjusting module for driving the mounting platform to ascend and descend through an air cylinder; an operator only needs to input parameters through the controller, automatic adjustment of the width and the height of the buffer frame can be completed, the adaptability of equipment to collecting drums of different specifications is greatly improved, the trouble that tools are frequently replaced or adjusted due to product model changing is avoided, and the space utilization rate and the production flexibility are remarkably improved.
Owner:CHANGSHU DONY ELECTRONICS

Multi-row adjustable clamping hanger

The application relates to a multi-row adjustable clamping hanger and relates to the technical field of electroplating hangers, which comprises a hook, a first connecting rod, a second connecting rod and a supporting shaft, the hook is arranged on the first connecting rod, the hook is matched with a conductive hook to form a hanging cooperation, the supporting shaft is arranged in a linear array between the first connecting rod and the second connecting rod, and the two ends of any supporting shaft are respectively connected to the first connecting rod and the second connecting rod, any supporting shaft is provided with a clamping assembly, and the clamping assembly is provided with a plurality of clamping assemblies along the axial direction of the supporting shaft; any clamping assembly comprises a first clamping plate, a cushion block, a second clamping plate and an adjusting bolt, the cushion block is fixed between the first clamping plate and the second clamping plate, a clamping space of a workpiece to be processed is formed between the first clamping plate and the second clamping plate, the adjusting bolt is threadedly connected with the first clamping plate, and the adjusting bolt is in abutting cooperation with the workpiece to be processed in the clamping space. The application has the effect of improving the applicability of the electroplating hanger.
Owner:SHANGHAI JIANLI ELECTROPLATING CO LTD

A laminated glass equipment layup assembly for uniformly laying laminated glass film

This utility model discloses a laminated glass laying assembly for uniformly laying laminated glass film, relating to the technical field of laminated glass production. It includes an operating table, a first servo cylinder, and a second servo cylinder. The first servo cylinder is positioned directly above the operating table. A guide rail is positioned directly below the operating table, and a shifting mechanism is positioned directly above the guide rail. The shifting mechanism lifts multiple sets of single-layer glass and simultaneously attaches PVB or SGP film to one set of single-layer glass. A clamping mechanism is positioned directly below the operating table. This clamping mechanism adjusts the clamping spacing of the glass according to its specific dimensions, and multiple clamps enhance the stability of glass clamping and pressure application. The clamps of the laying assembly, through longitudinal and lateral adjustment functions, can significantly improve the stability and flexibility of the laminated glass processing process. The longitudinal adjustment can accommodate combinations of glass with different thicknesses.
Owner:HUBEI JINMING GLASS CO LTD

A flow control and slag avoiding single gate pouring riser system and a pouring mold

PendingCN122274087APrecise control of outflowsteady injectionThermodynamicsProcess engineering
This invention relates to the field of casting technology. It discloses a flow-controlled, slag-avoiding single-line gating and riser system and a casting mold, including a single-line gating precisely connected to the casting mold body. A core mechanism is integrated at the outlet end of the single-line gating, corresponding to the cavity inlet, to achieve flow control and anti-overflow functions. The core mechanism includes a folding mechanism and an anti-deviation mechanism, which work together to achieve precise control of the molten metal flow rate, avoiding deviation and leakage. The single-line gating interior is equipped with an anti-nodule mechanical scraping structure and a stepped slag-avoiding structure, used respectively for real-time cleaning of metal nodules on the inner wall of the gating, layering and settling of slag, and guiding the smooth flow of molten metal. The system has a reasonable structure, reliable operation, and can effectively reduce internal defects in castings, improve casting quality, and increase production efficiency.
Owner:LINZHOU ZHOUYUAN MASCH PARTS CO LTD

Transfer device for titanium ingot machining

ActiveCN224184313URealize synchronous angle adjustmentQuickly adapt to clamping needsHand carts with multiple axesHand cart accessoriesElectric machineryTitanium
The utility model discloses a transfer device for titanium ingot machining, belongs to the technical field of titanium ingot machining, and solves the problem that titanium ingots of different sizes are inconvenient to clamp and limit. Comprising a movable trolley and a titanium ingot body, an adjusting mechanism is fixedly connected to the outer surface of the movable trolley, a clamping mechanism is fixedly connected to the outer surface of the adjusting mechanism, the adjusting mechanism comprises a supporting frame fixedly connected to the upper surface of the movable trolley, and a second electric telescopic rod is fixedly connected to the inner wall of the supporting frame; the output end of the second electric telescopic rod is fixedly connected with a fixing plate, and the upper surface of the fixing plate is fixedly connected with a lifting frame. The worm and worm gear transmission mechanism is driven by the gear motor, synchronous angle adjustment of the multiple sets of clamping plates is achieved, the clamping requirements of titanium ingot bodies with different diameters or section shapes can be rapidly met, the problem that a traditional fixing clamp needs to be frequently replaced is solved, and the transfer efficiency is improved.
Owner:BAOJI HONGYETAI METAL MATERIALS CO LTD

A positioning fixture for steel formwork production and processing

ActiveCN224616109Uquick fixEasy to fix
This utility model discloses a positioning fixture for steel formwork production and processing, including a positioning groove plate disposed below the steel formwork. The positioning groove plate has a clamping assembly for fixing the steel formwork inside. Auxiliary components for adjusting the position of the steel formwork are disposed on both sides of the positioning groove plate. Each auxiliary component includes multiple sets of rotating ball grooves located on both sides of the positioning groove plate, with rolling balls disposed inside the rotating ball grooves. The rolling balls are located between the steel formwork and the positioning groove plate, allowing the steel formwork to move and adjust its position on the positioning groove plate via the rolling balls. This utility model, through the design of the clamping assembly and auxiliary components, can quickly and stably fix steel formwork of different models. During welding, cutting, and other operations of the steel formwork, it can reduce manual operation time and improve production efficiency.
Owner:ZHENJIANG JINHAO ROAD & BRIDGE SUPPORTING ENG CO LTD

Adjustable steel bar rack

The utility model provides an adjustable steel bar rack, which belongs to the technical field of tunnel construction, and comprises a bottom frame, moving wheels, a steel frame, a top frame fixed at the top end of the bottom frame, and stretching structures arranged at the two sides of the steel frame, the lifting structure comprises a connecting sleeve fixed to one side of the bottom frame, a supporting plate fixed to the bottom end of the supporting stand column and locking assemblies arranged on the two sides of the supporting stand column. The hydraulic cylinder stretches to push the steel frame to move upwards, the overall height of the device is adjusted, the double-output-shaft motor is started to drive the screw to rotate, and the position of the connecting sleeve is locked, so that the height adjusting function of the device is achieved, the device can adapt to variable clearance heights of different mileage sections of a high-speed rail tunnel, construction feasibility is guaranteed, and construction universality is improved; the rack is prevented from being frequently replaced or transformed due to tunnel height difference, and cost and time are saved.
Owner:CHINA RAILWAY ERJU 1ST ENG CO

A cold and hot compress nursing device based on neurology clinic pain relief

The application relates to the technical field of clinical nursing, and discloses a cold and hot compress nursing device for pain relief based on neurology clinical treatment, wherein the cold and hot compress nursing device for pain relief based on neurology clinical treatment comprises a shell, a cold and hot compress component arranged in the shell, a temperature transmission component arranged on the cold and hot compress component in the shell, and fixing components arranged at the bottoms of the two ends of the shell. The cold and hot compress nursing device for pain relief based on neurology clinical treatment is characterized in that: the semiconductor refrigerating sheet is installed on the mounting frame, and the semiconductor refrigerating sheet can be turned over by using the rotary fixing assembly. When a patient needs cold compress to reduce swelling and pain in the early stage of acute injury, and needs hot compress to promote blood circulation and recovery in the later stage, the cold and hot ends of the semiconductor refrigerating sheet can be turned over at will, so that the functionality of the device is improved, and the mode can be quickly switched during the treatment process when cold compress and hot compress are needed.
Owner:刘海睿 +1

Measuring device for shock absorber inner tube production

The utility model relates to the technical field of damper inner tube, and disclose a kind of measuring device for damper inner tube production, including base, the top of base is fixedly connected with mounting bracket, and the outer wall of mounting bracket is provided with control display.The measuring device for damper inner tube production is provided with through-hole, pull rod, measuring plate, displacement sensor, mounting cylinder, sliding slot, spring, sliding block and long rod, and the operator makes measuring plate move up by single hand pulling pull rod, and the other hand places damper inner tube on base, then loosens pull rod, and measuring plate can be quickly moved down and adhere to inner tube surface under the spring reset effect, and the outer diameter data is accurately obtained by displacement sensor, the device greatly simplifies measurement process, significantly improves measurement efficiency, is especially suitable for the rapid detection in damper inner tube batch production scene, effectively solves the problem of long time consumption and low efficiency of prior art, so that operator can quickly obtain accurate outer diameter data.
Owner:WORKERSBEE ELECTRONICS TECH HLDG SUZHOU CO LTD

A furniture reshaping device

ActiveCN224407109Umove preciselyMove at a constant speedPolishingElectric machinery
The utility model relates to furniture processing technical field discloses a furniture shaping device, including the bottom plate, the upper side four corners of bottom plate all are fixedly connected with electric push rod, the top of electric push rod is fixedly connected with the supporting plate in common, the right -hand member of supporting plate is equipped with the adjusting mouth, the right -hand member of bottom plate both sides all are fixedly connected with the baffle, the left and right ends of baffle all are fixedly connected with slide rail, the outside of slide rail is connected with the movable plate in common sliding, the inside installation of movable plate has first servo motor, the drive end of first servo motor is fixedly connected with the conveying roller. In the utility model, the double shaft motor drives the screw rod to rotate, and the movable plate is accurately moved in cooperation with the slide rail, the conveying roller and the board are closely attached, the first servo motor drives the conveying roller to stably convey the board at constant speed, ensures that the board moves at uniform speed in the polishing process, guarantees the polishing quality, avoids the polishing quality and the efficiency problem caused by uneven artificial polishing.
Owner:TIANJIN LEKE FURNITURE CO LTD

An aquarium water filtration system

This utility model relates to a fish tank water filtration system, belonging to the category of ornamental fish breeding filtration facilities. The fish tank water filtration system includes a fish tank, a water pump, pipes, and a filter cartridge. A main water intake pipe connects to the inside of the fish tank and is divided into a main filtration pipe and a main flushing pipe via a T-junction. The main filtration pipe and the main flushing pipe are each connected to a T-junction, and the second ports of the two T-junctions are connected via a power pipe, which houses a bidirectional water pump. The third port of the T-junction connected to the main filtration pipe connects to a branch filtration pipe, which has multiple branch tees connected in series. The third port of the T-junction connected to the main flushing pipe connects to a branch flushing pipe, which has multiple branch flushing tees connected in series. A filter cartridge is connected between the branch tees and the branch flushing tees, and filter media is placed inside the filter cartridge. A drain valve is installed at the end of the branch filtration pipe, connecting to external drainage. The end of the branch flushing pipe connects to the inside of the fish tank. This filtration system is placed outside the fish tank and can filter the water inside, maintaining water cleanliness. This device uses a bidirectional motor to achieve both filtration and backwashing, increasing the lifespan of the filter media and avoiding frequent replacements.
Owner:TENGZHOU JUCAI TECH SERVICE CO LTD

Device for testing compressive strength and pull-out strength of bolt for fiber cement board

The utility model discloses a device for testing the compressive pull-out strength of a bolt of a fiber cement board. The device is characterized by comprising a testing device main body, a first connector, a second connector and a third connector, an opening hole for mounting the second connector is formed in the testing device main body; a main body screw hole is formed in the bottom of the testing device main body; a third bolt is formed at the top of the third connector and can be in threaded connection and fixation with the main body screw hole; a side opening groove is formed in one end of the side face of the testing device body, the side opening groove is used for limited directional sliding insertion or push-out of the fiber cement board provided with the testing bolt, and a limiting groove face used for limiting the fiber cement board is arranged in the side opening groove. A second screw hole is formed in the bottom of the second connector; according to the utility model, the compressive strength and the pull-out strength of the test bolt on the fiber cement board can be accurately tested, an accurate stress-strain curve is obtained, and the research of technicians is more convenient.
Owner:GUANGDONG NEW ELEMENT BUILDING MATERIAL CO LTD

A press contact mechanism for testing a circuit board

This utility model relates to the field of circuit boards, and particularly to a crimping mechanism for circuit board testing. It includes a support plate, a crimping structure installed at the center of one outer wall of the support plate, and a lower pressure plate connected to one end of the crimping structure. The outer walls of the lower pressure plate and the support plate, which are close to each other, have equidistantly distributed convex grooves, each containing a slidably connected support structure. Adjustment components are located at the four corners of the bottom outer wall of the support plate. The crimping structure includes a mounting rod installed on the outer wall of the support plate, a mounting groove at the center of the mounting rod, an adjusting screw rotatably connected to the center of the mounting groove, and an extension rod threaded to the outer wall of the adjusting screw. In this utility model, the rotating bar rotates around the fastening screw, and the support rubber head is slidably connected to the rotating bar via a friction block. This allows for multi-directional adjustment of the position of the support rubber head in the support plate and the lower pressure plate, avoiding frequent replacement of the housing and facilitating adjustment and fixation.
Owner:IPTE IND AUTOMATION SHANGHAI

A touch screen production substrate cleaning apparatus

The utility model discloses a kind of touch screen production base material cleaning devices, it is related to cleaning device technical field, including cleaning bin, the cleaning bin inside is provided with cleaning assembly, and cleaning assembly includes cleaning base, and cleaning bin one side is fixedly connected with drying bin, and cleaning bin bottom is fixedly connected with two baffle, the both sides of two baffle are fixedly connected with support, and baffle both sides are all set with same one circular perforation one, rotating lever is movably connected in circular perforation one, and one side of one support is fixedly connected with power motor two. The utility model discloses a kind of touch screen production base material cleaning device can utilize single equipment to complete the cleaning operation of different material base material, cleaning assembly uses two kinds of cleaning elements to alternate switching, meet the cleaning demand of different material base material, avoid the need to frequently replace equipment due to different material, improve cleaning efficiency while reducing cost.
Owner:SUZHOU NEW TOUCH TECH

Process and device for producing high-purity octamethylcyclotetrasiloxane for optical fiber

The invention relates to a process and a device for producing high-purity octamethylcyclotetrasiloxane for optical fiber, a dimethyl siloxane mixed ring body is used as a raw material, low molecules are pre-removed through a low molecule removal tower, and low molecules at the top are recycled; a low-component-removed product is extracted from the bottom and enters the DMC rectifying tower for high molecule pre-removal, and a low-component-removal tower kettle is in feeding connection with the DMC rectifying tower; crude D4 is extracted from the top of the DMC rectifying tower and enters a D4 tower for further high-content removal; macromolecules in the DMC rectifying tower and the D4 tower kettle are extracted to a high-ring storage tank for recycling. The process comprises the following steps: removing hexamethylcyclotrisiloxane and other low-molecular and low-boiling-point impurities in DMC through heat conduction oil of a low-molecular removal tower and feeding temperature control, feeding a part of removed octamethylcyclotetrasiloxane into a DMC tower and a D4 tower, heating by 10 kilograms of steam under a vacuum condition, and separating out the hexamethylcyclotrisiloxane and other low-molecular and low-boiling-point impurities in the DMC; and controlling the tower top temperatures of the DMC tower and the D4 tower under the combined action of the partially condensed D4 and the steam, and removing macromolecular impurities and water contained in the D4. The purity of the octamethylcyclotetrasiloxane product produced by the process disclosed by the invention can reach 99.99%.
Owner:HUBEI XINGRUI SILICON MATERIAL CO LTD

A measuring box limiting groove tooling mold

ActiveCN224444256Uquick peelImprove clearanceManufacturing technologyGear wheel
This utility model discloses a tooling mold for a measuring box limiting groove, relating to the field of measuring box manufacturing technology. The utility model includes an upper mold and a lower mold. A hydraulic push rod is fixedly connected to the left side of the upper mold via a mounting plate, and a support plate is fixedly connected to the top of the hydraulic push rod. A cleaning mechanism is provided on one side of the support plate, including a housing fixedly connected to one side of the support plate and a drive motor fixedly connected to the inner cavity of the housing. This utility model utilizes the synergistic action of a gear tooth plate meshing transmission mechanism and a reciprocating lead screw to create a spiral propulsion cleaning trajectory for the cleaning roller. Combined with a high-speed rotating airflow ejected by a guide plate, this achieves rapid debris removal. The soft brush of the cleaning roller and the airflow from the fan blades form an orthogonal interaction; after the soft brush removes surface deposits, the high-speed airflow directionally blows away residual debris, improving the debris removal rate at the bottom of the deep groove.
Owner:GANSU XINDELI ELECTRIC CO LTD

Auxiliary adaptive component for track measuring trolley

The utility model relates to the technical field of track measurement assistance, and particularly discloses an auxiliary adaptive component for a track measurement trolley, which comprises an outer frame, one side of the outer frame is fixedly connected with a butt joint block, the outer ring of the butt joint block is sleeved with a connecting mechanism, the connecting mechanism comprises a connecting sheet, the connecting sheet is sleeved on the outer ring of the butt joint block, and the butt joint block is fixedly connected with the outer frame. Reinforcing ribs are vertically arranged in an inner cavity of the outer frame. According to the utility model, in the actual use process, the problem of insufficient adaptability caused by inconsistent track spacing of a traditional measuring trolley is effectively improved, and the universality and the flexibility of measuring equipment in different track spacing environments are enhanced; therefore, the same measuring trolley can conveniently adapt to various track widths, and the requirement of frequently replacing different types of equipment is avoided.
Owner:BEIJING URBAN CONSTR EXPLORATION & SURVEYING DESIGN RES INST