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39results about How to "Guaranteed connection accuracy" patented technology

Automatic welding mechanism for backlight FPC (Flexible Printed Circuit) of liquid crystal display module

The utility model discloses a liquid crystal display module backlight FPC automatic welding mechanism which comprises a feeding device, a welding alignment device and a discharging device. The welding alignment device comprises a positioning seat, a positioning assembly and a welding assembly, the positioning assembly is arranged on the positioning seat, the feeding manipulator is used for transferring the liquid crystal display module onto the positioning seat, and the positioning assembly is used for clamping and positioning the liquid crystal display module; the welding assembly is arranged above the positioning seat and is used for automatically welding a backlight FPC (Flexible Printed Circuit) of the liquid crystal display module on the positioning seat; the discharging device comprises a discharging manipulator, and the discharging manipulator is used for conducting discharging operation on the liquid crystal display modules completing welding operation. Therefore, full-automatic welding operation of the backlight FPC and the display screen FPC is achieved, a traditional mode that an electric soldering iron and a clamp are manually used for auxiliary welding is replaced, and then the working efficiency can be improved.
Owner:XINLI OPTICAL RENSHOU CO LTD

Tooling for tower stand column manufacturing, tower stand column manufacturing method and tower assembling method

PendingCN119635051AGuaranteed manufacturing accuracyGuaranteed connection accuracyWelding/cutting auxillary devicesAuxillary welding devicesTowerFlange
The invention discloses a tool for manufacturing a tower stand column, a tower stand column manufacturing method and a tower assembling method. The tool comprises a bottom beam, a bottom plate connected to the bottom beam, a fixed abutting and blocking end and a movable abutting and blocking end which are oppositely placed on the bottom plate, a plurality of arc-shaped supporting plates arranged between the fixed abutting and blocking end and the movable abutting and blocking end, and supporting rods on the two sides of the arc-shaped supporting plates. A sliding block is arranged at the bottom of the movable abutting and blocking end, a sliding rail matched with the sliding block is arranged on the bottom plate, and after the column body is placed into the tool, the movable abutting and blocking end is flexibly adjusted through the sliding rail so that the flange plate and the column body can be accurately positioned and connected. The overall precision of the tower is further improved by designing a manufacturing method of the stand columns and an assembling method of the tower; high-precision production, manufacturing and assembling of the tower are achieved, rod pieces of the same model can be interchanged, the production cost is saved, and the stability and safety of the tower structure are improved.
Owner:CHINA RAILWAY BAOJI BRIDGE YANGZHOU CO LTD +1

Deepwater bottom-sealing-free double-wall steel cofferdam lowering inclination early warning and deviation correcting system and method

The invention belongs to the technical field of early warning and deviation correction for lowering inclination of a steel cofferdam, and relates to an early warning and deviation correction system and method for lowering inclination of a deepwater double-wall steel cofferdam without a sealing bottom. According to the method, by evaluating the potential influence of the environment where the target double-wall steel cofferdam without the back cover is located, inclination, caused by environmental factors, of the double-wall steel cofferdam without the back cover in the lowering process is reduced, and it is also avoided that constructors work in the dangerous environment; the inclination reason is analyzed in a multi-dimensional manner by judging the inclination early warning requirement and the inclination correction requirement of the target bottom section of the double-wall steel cofferdam without the back cover and the current heightening section as well as the inclination early warning requirement and the inclination correction requirement of the target bottom section of the double-wall steel cofferdam without the back cover when the target bottom section of the double-wall steel cofferdam is put down at present; whether the bottom section of the steel cofferdam is abnormally inclined or not can be conveniently perceived at the first time, constructors are reminded to take measures, serious safety accidents such as structural damage and even collapse caused by excessive inclination of the steel cofferdam are avoided, and damage to the structure of the steel cofferdam due to inclination of the bottom section is also avoided.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

High-precision antenna test scanning frame horizontal shaft

ActiveCN224416923UEnsure high-precision processing requirementsAchieve high-precision processing requirementsControl engineeringMachining
The utility model relates to antenna test technical field, concretely relates to a kind of high-precision antenna test scanning frame horizontal shaft, guide slide rail and multiple horizontal sections that are connected in order, the structure of scanning frame horizontal shaft is optimized, so that guide slide rail can be connected with multiple horizontal sections that are spliced in order, so that the high-precision machining equipment of existing can carry out high-precision machining to horizontal section and docking reference structure, to ensure the precision of multiple horizontal sections that are connected in order, while ensuring the precision of connection between guide rail, realize the high-precision machining demand of scanning frame horizontal shaft of different length, simple structure meets the machining and detection precision requirement of large, super large scanning frame horizontal shaft, reduce machining difficulty and machining cost, convenient dismounting and transportation, while it can realize the high-precision use demand of scanning frame horizontal shaft, improve production efficiency, ensure that antenna detection is accurate and reliable.
Owner:XIAN HANBO ELECTRONIC TECH CO LTD

An easy-tear milk powder cap

ActiveCN224703587Ueasy to operateRealize pull
This utility model discloses an easy-tear milk powder cap. The cap includes a bottom ring and a top ring. The bottom ring has a limiting rib. The bottom ring includes a main ring, a pull strap, and a connecting structure. The upper end of the main ring is connected to the top ring, and the lower end of the main ring has at least a partial clearance opening. One end of the pull strap is connected to one side wall of the clearance opening. The connecting structure includes a thin-walled connecting strip formed on the clearance opening and connected to the pull strap. A slit is provided between the main ring and the pull strap. The cap is rotatably mounted on the bottom ring. The closing structure includes a locking block and a locking plate. When the cap closes the cap, the locking block engages with the locking plate. The milk powder scoop is mounted on the cap or the cap. The slit between the pull strap and the main ring allows for convenient operation of the pull strap to pull the thin-walled connecting strip. When the thin-walled connecting strip is damaged, the pull strap detaches from the main ring, causing part of the limiting rib to fail and exposing the clearance opening, making it easy to remove the milk powder cap from the milk powder container.
Owner:ZHONGSHAN LUCKCAP PACKAGING CO LTD +1

Bipolar plate assembly structure and bipolar plate

PendingCN119530847ASimple structureGuaranteed connection accuracyCellsElectrodesCathodic reactionFusion welding
The invention relates to the technical field of hydrogen production, and discloses a bipolar plate assembly structure, a bipolar plate, an electrolytic bath and a hydrogen production system.The bipolar plate assembly structure comprises a polar plate main body, the polar plate main body comprises a main body frame and a main body partition plate arranged in the main body frame, and an anode face and a cathode face are formed on the two side faces of the main body partition plate respectively; the anode frame is arranged on the main body frame in a stacked mode, an anode reaction area is defined by the anode frame and the anode face together, an anode fusion welding groove used for being connected with the main body frame in a fusion welding mode is formed in the anode frame, and the anode fusion welding groove is at least formed in the outer surface of the peripheral portion of the anode frame; the cathode frame is arranged on the main body frame in a stacked mode, a cathode reaction area is defined by the cathode frame and the cathode face together, a cathode fusion welding groove used for being connected with the main body frame in a fusion welding mode is formed in the cathode frame, and the cathode fusion welding groove is at least formed in the outer surface of the peripheral portion of the cathode frame. Therefore, the bipolar plate structure can be simplified, the assembling difficulty of the electrolytic cell is reduced, hydrogen leakage points are reduced, and the hydrogen production safety is improved.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Quick and safe fixing device for scaffold steel pipe

ActiveCN224413097UIncrease hammer impact areaEasy to tapCircular discArchitectural engineering
The utility model discloses a scaffold steel pipe fast safe fixing device relates to the field of building engineering technology, the utility model discloses a vertical rod and cross bar, and the cross bar top is passed through and has the latch, and the latch top is connected with the expansion board, and the cross bar top one side is connected with the top frame, and the top frame bottom both sides all are fixed with the reinforcing plate, the utility model discloses the setting of expansion board has effectively increased the hammering stress area of several times latch top, has reduced the construction personnel hammering deviation probability greatly, this not only reduces the invalid operation time, promotes the installation efficiency, also avoided the component deformation and coating damage caused by hammering vertical rod or disc, reduced the later maintenance cost, guaranteed the node connection accuracy simultaneously, strengthened the security of scaffold overall structure, convenient with the knock of latch, reduce the hammering deviation phenomenon to occur.
Owner:JIANGSU ZHENGYUAN INSPECTION & TESTING CO LTD

Integral manufacturing method of large-section split steel box girder

ActiveCN117300545BReduced dimensional accuracywill not deformStructural engineeringMechanical engineering
Provided is a method for manufacturing a large-section split steel box girder as a whole, which includes adjusting the height of the frame support plate on the general assembly frame; positioning and assembling the bottom plate unit for welding; assembling and welding the diaphragm unit and the web unit; assembling and welding the top plate unit, the nozzle block, and the cross beam block; pre-assembling adjacent beam sections and installing matching parts; selecting two beam transport flat cars to synchronously transport the steel box girder according to the stress condition of the steel box girder; setting fulcrums to store the beam according to the stress condition of the steel box girder; and using a special hoist to hoist the entire steel box girder segment. The present invention effectively controls the overall dimensional accuracy and connection accuracy of the split steel box girder; and effectively avoids deformation of the steel box girder; ensures the connection accuracy between adjacent steel box girder segments connected on site, and is suitable for promotion.
Owner:CHINA RAILWAY BAOQIAO (ZHOUSHAN) CO LTD +2

Crystal growth auxiliary furnace chamber with split type cooling cavity

The utility model relates to a crystal growth auxiliary furnace chamber with split type cooling cavities, which structurally comprises an auxiliary furnace chamber body and a pair of cooling cavities, the pair of cooling cavities are detachably connected to two sides of the auxiliary furnace chamber body, and the cooling cavities are not connected with the auxiliary furnace chamber body in a welding manner. After the lifting mechanism of the cooling device in the auxiliary furnace chamber body is installed, the cooling cavity is fixedly installed on the outer side of the lifting mechanism in a non-welding mode, and then overall structure installation is completed. The utility model has the advantages that the structural design is reasonable, the cooling cavity adopts a split design and is connected with the auxiliary furnace chamber through bolts, and compared with an integral welding structure, the processing and manufacturing difficulty can be effectively reduced, the connection precision is ensured, the structural deformation is avoided, and the production stability is ensured.
Owner:LINTON KAYEX TECH CO LTD

Adjustable curtain wall hanger device

The utility model belongs to curtain wall technical field discloses a kind of adjustable curtain wall hanging device, comprising: curtain wall panel;Vertical keel, with the curtain wall panel parallel arrangement;Profile base, between the curtain wall panel and vertical keel are set;Hanging seat profile, along gravity direction is set, and the hanging seat profile with the profile base fixed connection;Hanging lug profile, with hanging seat profile detachable cooperation connection, and the hanging lug profile with the vertical keel fixed connection;Adjusting part, set on the hanging lug profile, the adjusting part is used to adjust the installation angle of the hanging lug profile relative to vertical keel.The utility model can accurately adjust the installation angle of the hanging lug profile relative to vertical keel by setting adjusting part, effectively improve the installation efficiency of curtain wall hanging device.
Owner:XIAN CENTRAL CULTURAL & BUSINESS DISTRICT HOLDINGS CO LTD

A gear welding device and welding method for a press

ActiveCN121423773BRealize fully automatic transferEliminate offsetProgramme-controlled manipulatorWelding/cutting auxillary devicesMachine visionGear wheel
This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.
Owner:JIER MACHINE TOOL GROUP

Special optical fiber core alignment rotating device and method

The invention relates to the technical field of optical fiber rotary connectors, and provides a special optical fiber core alignment rotating device and method, and a rotating device, the rotating device comprises an output optical fiber and a receiving optical fiber which are arranged at the two ends of the rotating device, a shell is arranged outside the rotating device, and the rotating device further comprises a movable sleeve movably installed in the shell in the axial direction; the shell is rotatably connected with the receiving optical fiber, and a buffer space of the receiving optical fiber in the shell is formed in a movable axial direction; firstly, the convex lens and the concave lens can guarantee complete transmission of light in a certain movement range, and then a buffer space used for receiving the connection of the optical fiber and the rotating device is arranged in the movement range, so that the optical fiber is protected; secondly, bearings are arranged outside the inner core and the outer surface layer of the receiving optical fiber, and a lengthened reducing sleeve is arranged, so that the rotation smoothness and stability of the receiving optical fiber are ensured; and finally, the positioning sleeve and the core aligning sleeve can accurately position the optical fiber and the rotating device, so that the connection precision is ensured while convenient connection is realized.
Owner:NANJING SHENGLUE TECHNOLOGY CO LTD

Precise horizontal shaft rectangular table surface grinding machine

The invention discloses a precise horizontal shaft rectangular table surface grinding machine which comprises a machine body, a workbench and a grinding mechanism. The bed body comprises a front bed body, a rear bed body and a wedge block mechanism, and the front bed body and the rear bed body are mutually positioned and connected through the wedge block mechanism; a moving mechanism and a limiting mechanism are arranged on the front lathe bed, the workbench is arranged on the moving mechanism so that the workbench can reciprocate on the front lathe bed, the moving mechanism is connected with the limiting mechanism so as to buffer and limit movement of the moving mechanism, and the grinding mechanism is movably arranged on the rear lathe bed. According to the precise horizontal shaft rectangular table surface grinding machine, the front machine body and the rear machine body can be in positioning connection through the wedge block mechanism, the connection accuracy of the front machine body and the rear machine body is guaranteed, the moving perpendicularity of the workbench and the grinding head assembly is guaranteed, and the grinding precision and the grinding quality are guaranteed. In addition, due to the arrangement of the limiting mechanism, the working table stably runs when running to the limiting positions of the two ends of the front machine body, and the grinding precision and grinding quality of the precise horizontal shaft rectangular table surface grinding machine are ensured.
Owner:YUHUAN CNC MACHINE TOOL

LED display box and LED display screen

The utility model discloses an LED display box body and an LED display screen, the LED display box body comprises two box units and a connecting structure, each box unit is provided with a display panel, one box unit is provided with a first inclined plane, the other box unit is provided with a second inclined plane used for being attached to the first inclined plane, and the connecting structure is connected with the first inclined plane. The first inclined plane and the second inclined plane are connected through a connecting structure, so that the display panels of the two box units are connected with each other; the connecting structure comprises screws, a plurality of screw holes formed in the first inclined face and a plurality of mounting holes formed in the second inclined face, the screw holes correspond to the mounting holes in a one-to-one mode, and the screws penetrate through the mounting holes to be connected with the screw holes. The first inclined plane and the second inclined plane are connected through the screws, additional connecting pieces are not needed, the appearance is more attractive, and mounting and dismounting are convenient; the alignment effect can be achieved through the screws, the mounting holes and the screw holes, the connection precision of the first inclined face and the second inclined face is improved, and the connection precision of the two display panels is guaranteed.
Owner:SHENZHEN ABSEN OPTOELECTRONIC CO LTD +1

Stamping vehicle body skin supporting structure and assembling technology

The invention discloses a stamping car body skin supporting structure and an assembly process, and belongs to the technical field of car skin assembly.The stamping car body skin supporting structure comprises a skin supporting column, a groove-shaped structure is arranged on the skin supporting column, an elastic steel sheet is arranged in the groove-shaped structure, and a supporting pipe is arranged on the side, away from the skin supporting column, of the elastic steel sheet; a gap is formed between the side, away from the elastic steel sheet, of the supporting pipe and the stamping skin and provided with an expansion material. According to the stamping vehicle body skin supporting structure and the assembling technology, an operator can conveniently and rapidly connect a stamping skin with the skin supporting columns through the whole assembling technology, meanwhile, the connecting precision and the skin flatness in the assembling process are guaranteed, the flatness of the stamping skin is effectively shared and supported through the elastic steel sheets and the rectangular supporting pipes, and the assembling efficiency is improved. The problem of uneven stress distribution of the skin is solved; meanwhile, the stress released by the stamping skin at high temperature during electrophoresis is dissolved and shared by the reinforcing rubber plate, so that good flatness of the stamping skin after electrophoresis is guaranteed.
Owner:ZHONGTONG BUS HLDG

A fabricated wall and method

The application provides an assembled wall and method, and relates to the field of assembled building structures, which comprises a wallboard and a fixing part, a plurality of wallboards are sequentially connected in series along the transverse direction to form a horizontal wallboard group, a plurality of horizontal wallboard groups are sequentially stacked along the vertical direction to form a planar wall structure, and the wallboards are coplanarly arranged; adjacent wallboards of the same horizontal wallboard group are connected through a clamping part, and adjacent horizontal wallboard groups are connected through a plug-in part; one side of the fixing part penetrates into the gap between adjacent horizontal wallboard groups, and the other side simultaneously connects two wallboards corresponding to different horizontal wallboard groups; in view of the problems of poor installation precision and inconvenient disassembly of the current assembled wall, the wallboards are arranged and connected in the transverse direction to form a horizontal wallboard group, the horizontal wallboard groups are stacked along the vertical direction and are slid and plugged to establish a connection in the vertical direction, the use of a support structure is reduced, the top end and the bottom end of the wall formed by combination are respectively matched with a sliding strip to reduce cumulative errors, and the installation precision and the installation efficiency are improved.
Owner:JINAN MUNICIPAL ENG DESIGN & RES INSITITUTE GRP

Silk wire flat pressing device for battery piece production

ActiveCN224058606UUniform output pressureAvoid insufficient deformationFinal product manufactureElectrical batteryAir compressor
The utility model discloses a silk thread flat pressing device for battery piece production, which relates to the technical field of battery piece production and comprises a main body, an air pressure device is arranged on the main body, a plurality of air cylinder devices are arranged below the air pressure device, and the output end of the air pressure device is communicated with the input end of each air cylinder device. The output end, located on the bottom face, of each air cylinder device is connected with a flattening block, and the air pressure device is an air compressor. The multiple air cylinder devices are driven through the air pressure device, compared with a traditional eccentric roller or a special-shaped shaft, the rolling efficiency is higher, the multiple air cylinders act synchronously, it is guaranteed that the flattening block outputs pressure evenly, insufficient or excessive deformation of a wire caused by pressure fluctuation is avoided, and the conductivity and the connection precision of battery pieces during welding are guaranteed.
Owner:PEREGRINE INTELLIGENT EQUIPMENT (ZHEJIANG) CO LTD

A combination knife handle using NT50 to Capto C5 conversion

This utility model provides a combined tool holder using an NT50 to Capto C5 converter, comprising an NT50 tool holder, a connecting plate, and a Capto C5 tool holder. The connecting plate has a first inner hole and a second inner hole. One end of the NT50 tool holder is used to simultaneously engage with the inner conical surface and end face of the spindle of a CNC turning and boring machine. The other end of the NT50 tool holder is fixedly connected to the connecting plate by multiple first bolts. The Capto C5 tool holder is fixedly connected to the connecting plate by multiple screws. The Capto C5 tool holder includes a core sleeve, which is inserted into the second inner hole and interference-fitted with it. The inner wall of the core sleeve is triangularly conical, with the edges of the triangularly conical cone evenly distributed circumferentially and forming arcs. A second bolt for fixing the tool is threaded into the second inner hole. This utility model can achieve a tool change time of less than 2 minutes, a tool change repeatability accuracy of less than 0.005 mm, excellent connection rigidity, and can achieve cutting operations with a length-to-diameter ratio of 5, meeting the requirements of cutting operations.
Owner:SJS LTD

Pipe pile mechanical connector with positioning and guiding device

ActiveCN224133729Uavoid damageQuickly measure the extension strokeBulkheads/pilesFlangeMechanical joint
The utility model relates to the technical field of pipe pile connection, in particular to a pipe pile mechanical connector with a positioning and guiding device, which comprises a first plug and a second plug which are inserted on a first pipe pile and a second pipe pile, and further comprises a male head, a female head, a limiting mechanism and an anti-falling mechanism, the limiting mechanism comprises a plurality of adjusting bolts and a plurality of display assemblies, a conical positioning boss is fixedly arranged on the outer wall of the male head, a conical positioning groove allowing the conical positioning boss to be connected in an inserted mode is formed in the end, close to the male head, of the female head, and the anti-disengaging mechanism comprises two wedge-shaped buckles and two sliding assemblies. According to the pipe pile mechanical connector with the positioning and guiding device, the abutting degree of the female head to the male head can be adjusted in real time through the adjusting bolts, then the insertion depth of the connector is controlled, and damage to the connector due to excessive extrusion is prevented.
Owner:CCCC FIRST HIGHWAY XIAMEN ENGINEERING CO LTD

Power supply support and power supply system of quay crane gantry trolley

The invention provides a power supply support and a power supply system of a quay crane gantry trolley. The power supply support comprises a fixed base, a supporting structure and an adjusting structure. Wherein the fixed base is fixedly arranged on a door frame connecting beam of the quay crane, and the supporting structure is arranged on the fixed base. The adjusting structure is fixedly arranged on the supporting structure, a mounting part is arranged at the top of the adjusting structure, a drag chain groove of the gantry trolley is mounted at the top of the adjusting structure through the mounting part, and the adjusting structure is used for adjusting the position of the drag chain groove relative to the supporting structure. The power supply support can prevent the structure from being heated and deformed.
Owner:SHANGHAI ZHENHUA HEAVY IND

A hanging device for LED screen modules

ActiveCN224516368UEasy and quick to installConvenient and quick disassembly
This utility model discloses a hanging device for LED screen modules, including: an LED screen module and a hanging device; a plurality of hooks are provided on the top of the hanging device; a positioning post is provided on the top of the LED screen module, and a positioning hole is provided in the middle of the positioning post; a connection hole corresponding to the positioning post is provided on the bottom of the hanging device; and a locking mechanism for detachably connecting with the LED screen module is also provided on the hanging device. Compared with traditional LED screen module hanging devices that connect the hanging device and the LED screen module through a plurality of nuts, this LED screen module hanging device allows for convenient and quick installation and disassembly of the hanging device and the LED screen module, reducing the difficulty of operation, reducing labor intensity, and improving work efficiency; and the locking mechanism connects with the positioning hole in the locked state, so that the positioning hole and the locking mechanism can achieve precise positioning in the locked state, ensuring the connection accuracy between the LED screen module and the hanging device, and improving the stability and reliability of the connection.
Owner:HUNAN XINYASHENG PHOTOELECTRIC CO LTD

Replaceable main shaft structure of electric tool

ActiveCN222430389UGuaranteed connection accuracyGrinding machine componentsMachinePower tool
The utility model discloses a replaceable main shaft structure of an electric tool, and relates to the technical field of auxiliary tools of electric tools. According to the technical scheme, one end of the mandrel is coaxially connected with an output shaft through a connecting sleeve, the outer side of the output shaft is sleeved with a protective shell, the protective shell is fixedly connected with the machine shell, at least two bearings are arranged in the protective shell, the output shaft penetrates through all the bearings in the protective shell, and a connector is arranged at the end, away from the mandrel, of the output shaft. The grinding machine has the advantages that a user is allowed to replace spindles with different lengths to adapt to grinding working conditions with different depths, and meanwhile, the connecting precision and the transmission precision can be effectively guaranteed by connecting through the connecting sleeve.
Owner:KEN HLDG CO LTD +1

Fabricated building energy-saving structure

The utility model discloses an assembly type building energy-saving structure which comprises a wallboard and a building keel, curtain wall corner connectors are fixed to the back face of the wallboard at equal intervals, and a threaded hole and a positioning groove are formed in the top and the right side of the building keel respectively. A positioning rod is fixedly connected to the side, away from the wall plate, of the curtain wall corner brace, and a fixing hole is formed in the positioning rod. According to the fabricated building energy-saving structure, the wallboards are inserted into the positioning grooves in the building keels through the positioning rods on the curtain wall corner connectors, rapid butt joint installation of the wallboards and the building keels is achieved, then the fixing bolts are screwed into the threaded holes through tools, meanwhile, the fixing bolts penetrate through the fixing holes in the positioning rods, and the fixing holes are limited and fixed; meanwhile, the head of the fixing bolt is matched with the nut, axial limiting is formed on the positioning rod, meanwhile, the wall plate, the curtain wall corner connector and the building keel are firmly locked into a whole, and therefore the installation efficiency can be remarkably improved, and the connection precision can be ensured.
Owner:ZHEJIANG TIANHUA ARCHITECTURAL DECORATION CO LTD

Installation device for corrosion-resistant steel structures

This utility model discloses an installation device for corrosion-resistant steel structures, relating to the field of steel structure technology. It includes steel structure A and steel structure B, with protective covers fitted onto both structures. The steel structures A and B are fixed to the protective covers by fixing bolts. A protective shell is also provided on the side wall of the protective cover, covering the outside of the fixing bolts. A locking component is provided on the protective shell, which is then fixed to the protective cover. This utility model provides overall protection for the steel structure connection points with the protective cover and a second sealing strip, reducing the impact of the external environment. The protective shell, combined with the first sealing strip, individually protects the fixing bolts. This double-sealing structure effectively prevents corrosion from rainwater and other sources, significantly reducing the risk of rust on the steel structure and bolts, significantly improving the corrosion resistance of the steel structure, and extending its service life.
Owner:JIANGSU JINGYUE MACHINERY CO LTD

Fixing structure and battery pack

The utility model relates to the technical field of batteries, in particular to a fixing structure and a battery pack, the fixing structure comprises a shell, a placement frame and a bolting part, the placement frame comprises a placement part, the placement part comprises a placement body and a supporting part, and a placement groove for fixing a battery cell group is formed in the placement body. When the placement body is arranged in the shell, a gap is formed between the shell and the placement body, the supporting part is supported between the shell and the placement body, and the supporting part and the placement body are fixedly connected. And the bolting part penetrates through the shell and is bolted with the supporting part. According to the fixing structure and the battery pack provided by the invention, the cooling efficiency of the cooling liquid is improved, the stability of the gap between the shell and the placement body is ensured, the probability of collision between the placement body and the shell is reduced, mutual positioning of the placement frame and the shell is realized, and the connection precision of the battery pack is ensured.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

A soil layer sampling device for geological exploration

The invention relates to the technical field of geological exploration equipment, and specifically to a geological exploration soil layer sampling device. The invention comprises a mounting platform, a hydraulic cylinder is fixedly mounted on the top surface of the mounting platform, and a sampling mechanism is mounted on the telescopic end of the hydraulic cylinder, wherein the sampling mechanism comprises a mounting tube; a sampling assembly is fixedly mounted in the mounting tube, and the sampling assembly comprises a hexagonal prism fixedly mounted in the mounting tube, and guide assemblies are fixedly mounted on the six sides of the hexagonal prism, and a driving assembly is mounted on the guiding assembly; the driving assembly is transmission-connected with a sampling tube assembly; a cover tube is fixedly connected to the top of the mounting tube, and an operating mechanism is arranged between the top of the cover tube and the telescopic end of the hydraulic cylinder; the operating mechanism in the invention cooperates with six groups of driving assemblies and sampling tube assemblies to realize sampling work at multiple depth positions in a single lowering process; the sampling tube assembly can obtain a soil column smaller in size than the square tube in a square tube during sampling, that is, there is no extrusion contact between the soil column and the inner wall of the square tube.
Owner:山东省地质矿产勘查开发局第七地质大队

Explosion-proof lightning arrester

The utility model relates to the related technical field of lightning arresters, and one embodiment of the utility model provides an explosion-proof lightning arrester which comprises a pair of electrodes and a plurality of resistor discs, the resistor discs are arranged between the electrodes, an outer protection assembly is arranged outside the pair of electrodes, and a supporting conduction assembly is arranged between the electrodes and the resistor discs. The connecting assembly is arranged outside the electrodes, the outer protection assembly comprises an inner insulation sleeve, the inner insulation sleeve wraps the pair of electrodes, a first clamping groove is formed in the periphery of the side surface of each electrode, the inner insulation sleeve is inserted into the first clamping groove, and a plurality of reinforcing rods are arranged in the inner insulation sleeve. According to the technical scheme, the technical problems that in the prior art, the lightning arrester does not have the anti-explosion characteristic, electric sparks, high temperature and the like are possibly generated in the lightning energy releasing process of the lightning arrester once lightning stroke occurs, and combustion or explosion of flammable and explosive substances is extremely easily caused are solved.
Owner:BAODING HUASEN POWER EQUIP MFG

Motor driving assembly of grinding machine

ActiveCN224218218Uconnection impactGuaranteed connection accuracyMechanical energy handlingCouplingElectric machinery
The utility model relates to the technical field of couplings, in particular to a motor driving assembly of a grinding machine, which comprises a motor output shaft, a motor connecting flange arranged at the top end of the motor output shaft, two first fixing pieces fixedly connected to the lower end of the motor connecting flange, and a grinding block connecting disc arranged below the motor connecting flange. The upper end of the grinding block connecting disc is fixedly connected with a grinding disc connecting disc, the upper end of the grinding disc connecting disc is fixedly connected with a second fixing piece, a coupler is arranged between the first fixing piece and the second fixing piece, and the top end of the first fixing piece and the top end of the second fixing piece are both in threaded connection with bolts. And the first fixing piece and the second fixing piece are still tightly connected with the coupler, so that the situation of connection deviation is avoided, and the stability of power transmission is ensured.
Owner:HANGZHOU BYCON IND CO LTD